ref: bb85d99a02ba60bebcd8509fb1bfec8476ef0047
dir: /9legacy/9front_libsec.diff/
--- /sys/src/libc/9sys/pushtls.c Thu Jul 15 09:41:49 2021
+++ /sys/src/libc/9sys/pushtls.c Mon Jul 12 10:56:52 2021
@@ -42,14 +42,14 @@
pushtls(int fd, char *hashalg, char *encalg, int isclient, char *secret, char *dir)
{
char buf[8];
- char dname[64];
+ char dname[32];
int n, data, ctl, hand;
// open a new filter; get ctl fd
data = hand = -1;
// /net/tls uses decimal file descriptors to name channels, hence a
// user-level file server can't stand in for #a; may as well hard-code it.
- ctl = open("#a/tls/clone", ORDWR);
+ ctl = open("#a/tls/clone", ORDWR|OCEXEC);
if(ctl < 0)
goto error;
n = read(ctl, buf, sizeof(buf)-1);
@@ -60,14 +60,14 @@
sprint(dir, "#a/tls/%s", buf);
// get application fd
- snprint(dname, sizeof dname, "#a/tls/%s/data", buf);
+ snprint(dname, sizeof(dname), "#a/tls/%s/data", buf);
data = open(dname, ORDWR);
if(data < 0)
goto error;
// get handshake fd
- snprint(dname, sizeof dname, "#a/tls/%s/hand", buf);
- hand = open(dname, ORDWR);
+ snprint(dname, sizeof(dname), "#a/tls/%s/hand", buf);
+ hand = open(dname, ORDWR|OCEXEC);
if(hand < 0)
goto error;
--- sys/src/ape/lib/mp/port/libc.h Thu Jul 1 17:29:16 2021
+++ /sys/src/ape/lib/mp/port/libc.h Tue Jun 29 01:46:14 2021
@@ -4,6 +4,7 @@
#include <string.h>
#include <utf.h>
#include <fmt.h>
+#include <assert.h>
#ifndef _SUSV2_SOURCE
#define _SUSV2_SOURCE
#include <inttypes.h>
--- sys/src/ape/lib/9/mkfile Wed May 29 01:18:14 2013
+++ /sys/src/ape/lib/9/mkfile Tue Jun 29 23:03:17 2021
@@ -14,6 +14,7 @@
segflush.$O\
segfree.$O\
setmalloctag.$O\
+ setrealloctag.$O\
sysfatal.$O\
tokenize.$O\
truerand.$O\
--- sys/src/ape/lib/9/libc.h Thu Jul 1 17:29:16 2021
+++ /sys/src/ape/lib/9/libc.h Tue Jun 29 23:29:25 2021
@@ -145,7 +145,8 @@
#define ERRMAX 128
-extern void setmalloctag(void*, ulong);
+extern void setmalloctag(void*, ulong);
+extern void setrealloctag(void*, uintptr_t);
extern uintptr_t getcallerpc(void*);
/* Used in libsec.h and not picked up in earlier type definitions */
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/ape/lib/9/setrealloctag.c Tue Jun 29 23:29:29 2021
@@ -0,0 +1,12 @@
+#ifndef _SUSV2_SOURCE
+#define _SUSV2_SOURCE
+#include <inttypes.h>
+#undef _SUSV2_SOURCE
+#else
+#include <inttypes.h>
+#endif
+
+void
+setrealloctag(void*, uintptr_t)
+{
+}
--- sys/src/ape/lib/sec/port/libc.h Thu Sep 19 23:24:49 2013
+++ /sys/src/ape/lib/sec/port/libc.h Tue Jun 29 23:31:40 2021
@@ -2,6 +2,14 @@
#define _QLOCK_EXTENSION
#define _BSD_EXTENSION
#include <sys/types.h>
+#ifndef _SUSV2_SOURCE
+#define _SUSV2_SOURCE
+#include <inttypes.h>
+#undef _SUSV2_SOURCE
+#else
+#include <inttypes.h>
+#endif
+
#include <lock.h>
#include <qlock.h>
#include <lib9.h>
@@ -170,6 +178,7 @@
#define ERRMAX 128
extern void setmalloctag(void*, ulong);
+extern void setrealloctag(void*, uintptr_t);
extern ulong getcallerpc(void*);
/* Used in libsec.h and not picked up in earlier type definitions */
--- sys/include/ape/libsec.h Wed Jan 30 22:18:23 2013
+++ /sys/include/ape/libsec.h Mon Jul 12 11:08:00 2021
@@ -26,28 +26,47 @@
struct AESstate
{
ulong setup;
+ ulong offset;
int rounds;
int keybytes;
uint ctrsz;
+ void *ekey; /* expanded encryption round key */
+ void *dkey; /* expanded decryption round key */
uchar key[AESmaxkey]; /* unexpanded key */
- ulong ekey[4*(AESmaxrounds + 1)]; /* encryption key */
- ulong dkey[4*(AESmaxrounds + 1)]; /* decryption key */
uchar ivec[AESbsize]; /* initialization vector */
- uchar mackey[3 * AESbsize]; /* 3 XCBC mac 96 keys */
+ uchar storage[512]; /* storage for expanded keys */
};
/* block ciphers */
-void aes_encrypt(ulong rk[], int Nr, uchar pt[16], uchar ct[16]);
-void aes_decrypt(ulong rk[], int Nr, uchar ct[16], uchar pt[16]);
+extern void (*aes_encrypt)(ulong rk[], int Nr, uchar pt[16], uchar ct[16]);
+extern void (*aes_decrypt)(ulong rk[], int Nr, uchar ct[16], uchar pt[16]);
-void setupAESstate(AESstate *s, uchar key[], int keybytes, uchar *ivec);
+void setupAESstate(AESstate *s, uchar key[], int nkey, uchar *ivec);
+
+void aesCTRencrypt(uchar *p, int len, AESstate *s);
+void aesCTRdecrypt(uchar *p, int len, AESstate *s);
void aesCBCencrypt(uchar *p, int len, AESstate *s);
void aesCBCdecrypt(uchar *p, int len, AESstate *s);
-void aesCTRdecrypt(uchar *p, int len, AESstate *s);
-void aesCTRencrypt(uchar *p, int len, AESstate *s);
+void aesCFBencrypt(uchar *p, int len, AESstate *s);
+void aesCFBdecrypt(uchar *p, int len, AESstate *s);
+void aesOFBencrypt(uchar *p, int len, AESstate *s);
+
+void aes_xts_encrypt(AESstate *tweak, AESstate *ecb, uvlong sectorNumber, uchar *input, uchar *output, ulong len);
+void aes_xts_decrypt(AESstate *tweak, AESstate *ecb, uvlong sectorNumber, uchar *input, uchar *output, ulong len);
+
+typedef struct AESGCMstate AESGCMstate;
+struct AESGCMstate
+{
+ AESstate;
+
+ ulong H[4];
+ ulong M[16][256][4];
+};
-void setupAESXCBCstate(AESstate *s);
-uchar* aesXCBCmac(uchar *p, int len, AESstate *s);
+void setupAESGCMstate(AESGCMstate *s, uchar *key, int keylen, uchar *iv, int ivlen);
+void aesgcm_setiv(AESGCMstate *s, uchar *iv, int ivlen);
+void aesgcm_encrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], AESGCMstate *s);
+int aesgcm_decrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], AESGCMstate *s);
/*
* Blowfish Definitions
@@ -79,6 +98,76 @@
void bfECBdecrypt(uchar*, int, BFstate*);
/*
+ * Chacha definitions
+ */
+
+enum
+{
+ ChachaBsize= 64,
+ ChachaKeylen= 256/8,
+ ChachaIVlen= 96/8,
+ XChachaIVlen= 192/8,
+};
+
+typedef struct Chachastate Chachastate;
+struct Chachastate
+{
+ union{
+ u32int input[16];
+ struct {
+ u32int constant[4];
+ u32int key[8];
+ u32int counter;
+ u32int iv[3];
+ };
+ };
+ u32int xkey[8];
+ int rounds;
+ int ivwords;
+};
+
+void setupChachastate(Chachastate*, uchar*, ulong, uchar*, ulong, int);
+void chacha_setiv(Chachastate *, uchar*);
+void chacha_setblock(Chachastate*, u64int);
+void chacha_encrypt(uchar*, ulong, Chachastate*);
+void chacha_encrypt2(uchar*, uchar*, ulong, Chachastate*);
+
+void hchacha(uchar h[32], uchar *key, ulong keylen, uchar nonce[16], int rounds);
+
+void ccpoly_encrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], Chachastate *cs);
+int ccpoly_decrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], Chachastate *cs);
+
+/*
+ * Salsa definitions
+ */
+enum
+{
+ SalsaBsize= 64,
+ SalsaKeylen= 256/8,
+ SalsaIVlen= 64/8,
+ XSalsaIVlen= 192/8,
+};
+
+typedef struct Salsastate Salsastate;
+struct Salsastate
+{
+ u32int input[16];
+ u32int xkey[8];
+ int rounds;
+ int ivwords;
+};
+
+void setupSalsastate(Salsastate*, uchar*, ulong, uchar*, ulong, int);
+void salsa_setiv(Salsastate*, uchar*);
+void salsa_setblock(Salsastate*, u64int);
+void salsa_encrypt(uchar*, ulong, Salsastate*);
+void salsa_encrypt2(uchar*, uchar*, ulong, Salsastate*);
+
+void salsa_core(u32int in[16], u32int out[16], int rounds);
+
+void hsalsa(uchar h[32], uchar *key, ulong keylen, uchar nonce[16], int rounds);
+
+/*
* DES definitions
*/
@@ -149,7 +238,8 @@
SHA2_512dlen= 64, /* SHA-512 digest length */
MD4dlen= 16, /* MD4 digest length */
MD5dlen= 16, /* MD5 digest length */
- AESdlen= 16, /* TODO: see rfc */
+ RIPEMD160dlen= 20, /* RIPEMD-160 digest length */
+ Poly1305dlen= 16, /* Poly1305 digest length */
Hmacblksz = 64, /* in bytes; from rfc2104 */
};
@@ -159,7 +249,7 @@
{
uvlong len;
union {
- u32int state[8];
+ u32int state[16];
u64int bstate[8];
};
uchar buf[256];
@@ -175,16 +265,15 @@
typedef struct DigestState SHA2_512state;
typedef struct DigestState MD5state;
typedef struct DigestState MD4state;
-typedef struct DigestState AEShstate;
DigestState* md4(uchar*, ulong, uchar*, DigestState*);
DigestState* md5(uchar*, ulong, uchar*, DigestState*);
+DigestState* ripemd160(uchar *, ulong, uchar *, DigestState *);
DigestState* sha1(uchar*, ulong, uchar*, DigestState*);
DigestState* sha2_224(uchar*, ulong, uchar*, DigestState*);
DigestState* sha2_256(uchar*, ulong, uchar*, DigestState*);
DigestState* sha2_384(uchar*, ulong, uchar*, DigestState*);
DigestState* sha2_512(uchar*, ulong, uchar*, DigestState*);
-DigestState* aes(uchar*, ulong, uchar*, DigestState*);
DigestState* hmac_x(uchar *p, ulong len, uchar *key, ulong klen,
uchar *digest, DigestState *s,
DigestState*(*x)(uchar*, ulong, uchar*, DigestState*),
@@ -195,7 +284,7 @@
DigestState* hmac_sha2_256(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
DigestState* hmac_sha2_384(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
DigestState* hmac_sha2_512(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
-DigestState* hmac_aes(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
+DigestState* poly1305(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
char* md5pickle(MD5state*);
MD5state* md5unpickle(char*);
char* sha1pickle(SHA1state*);
@@ -280,15 +369,27 @@
void rsaprivfree(RSApriv*);
RSApub* rsaprivtopub(RSApriv*);
RSApub* X509toRSApub(uchar*, int, char*, int);
+RSApub* asn1toRSApub(uchar*, int);
RSApriv* asn1toRSApriv(uchar*, int);
void asn1dump(uchar *der, int len);
uchar* decodePEM(char *s, char *type, int *len, char **new_s);
PEMChain* decodepemchain(char *s, char *type);
-uchar* X509gen(RSApriv *priv, char *subj, ulong valid[2], int *certlen);
-uchar* X509req(RSApriv *priv, char *subj, int *certlen);
-char* X509verify(uchar *cert, int ncert, RSApub *pk);
+uchar* X509rsagen(RSApriv *priv, char *subj, ulong valid[2], int *certlen);
+uchar* X509rsareq(RSApriv *priv, char *subj, int *certlen);
+char* X509rsaverify(uchar *cert, int ncert, RSApub *pk);
+char* X509rsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, RSApub *pk);
+
void X509dump(uchar *cert, int ncert);
+mpint* pkcs1padbuf(uchar *buf, int len, mpint *modulus, int blocktype);
+int pkcs1unpadbuf(uchar *buf, int len, mpint *modulus, int blocktype);
+int asn1encodeRSApub(RSApub *pk, uchar *buf, int len);
+int asn1encodeRSApriv(RSApriv *k, uchar *buf, int len);
+int asn1encodedigest(DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*),
+ uchar *digest, uchar *buf, int len);
+
+int X509digestSPKI(uchar *, int, DigestState* (*)(uchar*, ulong, uchar*, DigestState*), uchar *);
+
/*
* elgamal
*/
@@ -376,21 +477,26 @@
*/
typedef struct Thumbprint{
struct Thumbprint *next;
- uchar sha1[SHA1dlen];
+ uchar hash[SHA2_256dlen];
+ uchar len;
} Thumbprint;
typedef struct TLSconn{
char dir[40]; /* connection directory */
uchar *cert; /* certificate (local on input, remote on output) */
uchar *sessionID;
+ uchar *psk;
int certlen;
int sessionIDlen;
+ int psklen;
int (*trace)(char*fmt, ...);
PEMChain*chain; /* optional extra certificate evidence for servers to present */
char *sessionType;
uchar *sessionKey;
int sessionKeylen;
char *sessionConst;
+ char *serverName;
+ char *pskID;
} TLSconn;
/* tlshand.c */
@@ -398,12 +504,106 @@
int tlsServer(int fd, TLSconn *c);
/* thumb.c */
-Thumbprint* initThumbprints(char *ok, char *crl);
+Thumbprint* initThumbprints(char *ok, char *crl, char *tag);
void freeThumbprints(Thumbprint *ok);
-int okThumbprint(uchar *sha1, Thumbprint *ok);
+int okThumbprint(uchar *hash, int len, Thumbprint *ok);
+int okCertificate(uchar *cert, int len, Thumbprint *ok);
/* readcert.c */
uchar *readcert(char *filename, int *pcertlen);
PEMChain*readcertchain(char *filename);
+
+typedef struct ECpoint{
+ int inf;
+ mpint *x;
+ mpint *y;
+ mpint *z; /* nil when using affine coordinates */
+} ECpoint;
+
+typedef ECpoint ECpub;
+typedef struct ECpriv{
+ ECpoint;
+ mpint *d;
+} ECpriv;
+
+typedef struct ECdomain{
+ mpint *p;
+ mpint *a;
+ mpint *b;
+ ECpoint G;
+ mpint *n;
+ mpint *h;
+} ECdomain;
+
+void ecdominit(ECdomain *, void (*init)(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h));
+void ecdomfree(ECdomain *);
+
+void ecassign(ECdomain *, ECpoint *old, ECpoint *new);
+void ecadd(ECdomain *, ECpoint *a, ECpoint *b, ECpoint *s);
+void ecmul(ECdomain *, ECpoint *a, mpint *k, ECpoint *s);
+ECpoint* strtoec(ECdomain *, char *, char **, ECpoint *);
+ECpriv* ecgen(ECdomain *, ECpriv*);
+int ecverify(ECdomain *, ECpoint *);
+int ecpubverify(ECdomain *, ECpub *);
+void ecdsasign(ECdomain *, ECpriv *, uchar *, int, mpint *, mpint *);
+int ecdsaverify(ECdomain *, ECpub *, uchar *, int, mpint *, mpint *);
+void base58enc(uchar *, char *, int);
+int base58dec(char *, uchar *, int);
+
+ECpub* ecdecodepub(ECdomain *dom, uchar *, int);
+int ecencodepub(ECdomain *dom, ECpub *, uchar *, int);
+void ecpubfree(ECpub *);
+
+ECpub* X509toECpub(uchar *cert, int ncert, char *name, int nname, ECdomain *dom);
+char* X509ecdsaverify(uchar *cert, int ncert, ECdomain *dom, ECpub *pub);
+char* X509ecdsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, ECdomain *dom, ECpub *pub);
+
+/* curves */
+void secp256r1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
+void secp256k1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
+void secp384r1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
+
+/*
+ * Diffie-Hellman key exchange
+ */
+
+typedef struct DHstate DHstate;
+struct DHstate
+{
+ mpint *g; /* base g */
+ mpint *p; /* large prime */
+ mpint *q; /* subgroup prime */
+ mpint *x; /* random secret */
+ mpint *y; /* public key y = g**x % p */
+};
+
+/* generate new public key: y = g**x % p */
+mpint* dh_new(DHstate *dh, mpint *p, mpint *q, mpint *g);
+
+/* calculate shared key: k = y**x % p */
+mpint* dh_finish(DHstate *dh, mpint *y);
+
+/* Curve25519 elliptic curve, public key function */
+void curve25519(uchar mypublic[32], uchar secret[32], uchar basepoint[32]);
+
+/* Curve25519 diffie hellman */
+void curve25519_dh_new(uchar x[32], uchar y[32]);
+int curve25519_dh_finish(uchar x[32], uchar y[32], uchar z[32]);
+
+/* password-based key derivation function 2 (rfc2898) */
+void pbkdf2_x(uchar *p, ulong plen, uchar *s, ulong slen, ulong rounds, uchar *d, ulong dlen,
+ DigestState* (*x)(uchar*, ulong, uchar*, ulong, uchar*, DigestState*), int xlen);
+
+/* scrypt password-based key derivation function */
+char* scrypt(uchar *p, ulong plen, uchar *s, ulong slen,
+ ulong N, ulong R, ulong P,
+ uchar *d, ulong dlen);
+
+/* hmac-based key derivation function (rfc5869) */
+void hkdf_x(uchar *salt, ulong nsalt, uchar *info, ulong ninfo, uchar *key, ulong nkey, uchar *d, ulong dlen,
+ DigestState* (*x)(uchar*, ulong, uchar*, ulong, uchar*, DigestState*), int xlen);
+
+/* timing safe memcmp() */
+int tsmemcmp(void*, void*, ulong);
#endif
--- sys/include/ape/mp.h Mon Feb 4 20:12:44 2013
+++ /sys/include/ape/mp.h Tue Jun 29 01:45:21 2021
@@ -32,6 +32,10 @@
enum
{
MPstatic= 0x01,
+ MPnorm= 0x02, /* normalization status */
+ MPtimesafe= 0x04, /* request time invariant computation */
+ MPfield= 0x08, /* this mpint is a field modulus */
+
Dbytes= sizeof(mpdigit), /* bytes per digit */
Dbits= Dbytes*8 /* bits per digit */
};
@@ -41,12 +45,14 @@
mpint* mpnew(int n); /* create a new mpint with at least n bits */
void mpfree(mpint *b);
void mpbits(mpint *b, int n); /* ensure that b has at least n bits */
-void mpnorm(mpint *b); /* dump leading zeros */
+mpint* mpnorm(mpint *b); /* dump leading zeros */
mpint* mpcopy(mpint *b);
void mpassign(mpint *old, mpint *new);
/* random bits */
mpint* mprand(int bits, void (*gen)(uchar*, int), mpint *b);
+/* return uniform random [0..n-1] */
+mpint* mpnrand(mpint *n, void (*gen)(uchar*, int), mpint *b);
/* conversion */
mpint* strtomp(char*, char**, int, mpint*); /* ascii */
@@ -56,6 +62,7 @@
int mptole(mpint*, uchar*, uint, uchar**);
mpint* betomp(uchar*, uint, mpint*); /* byte array, little-endian */
int mptobe(mpint*, uchar*, uint, uchar**);
+void mptober(mpint *b, uchar *p, int n);
uint mptoui(mpint*); /* unsigned int */
mpint* uitomp(uint, mpint*);
int mptoi(mpint*); /* int */
@@ -78,6 +85,11 @@
void mpexp(mpint *b, mpint *e, mpint *m, mpint *res); /* res = b**e mod m */
void mpmod(mpint *b, mpint *m, mpint *remainder); /* remainder = b mod m */
+/* modular arithmetic, time invariant when 0≤b1≤m-1 and 0≤b2≤m-1 */
+void mpmodadd(mpint *b1, mpint *b2, mpint *m, mpint *sum); /* sum = b1+b2 % m */
+void mpmodsub(mpint *b1, mpint *b2, mpint *m, mpint *diff); /* diff = b1-b2 % m */
+void mpmodmul(mpint *b1, mpint *b2, mpint *m, mpint *prod); /* prod = b1*b2 % m */
+
/* quotient = dividend/divisor, remainder = dividend % divisor */
void mpdiv(mpint *dividend, mpint *divisor, mpint *quotient, mpint *remainder);
@@ -148,6 +160,19 @@
void crtprefree(CRTpre*);
void crtresfree(CRTres*);
+/* fast field arithmetic */
+typedef struct Mfield Mfield;
+
+struct Mfield
+{
+ mpint;
+ int (*reduce)(Mfield*, mpint*, mpint*);
+};
+
+mpint *mpfield(mpint*);
+
+Mfield *gmfield(mpint*);
+Mfield *cnfield(mpint*);
#pragma varargck type "B" mpint*
#endif
--- sys/include/libsec.h Thu Jul 15 08:07:50 2021
+++ /sys/include/libsec.h Mon Jul 12 11:08:58 2021
@@ -21,28 +21,47 @@
struct AESstate
{
ulong setup;
+ ulong offset;
int rounds;
int keybytes;
uint ctrsz;
+ void *ekey; /* expanded encryption round key */
+ void *dkey; /* expanded decryption round key */
uchar key[AESmaxkey]; /* unexpanded key */
- ulong ekey[4*(AESmaxrounds + 1)]; /* encryption key */
- ulong dkey[4*(AESmaxrounds + 1)]; /* decryption key */
uchar ivec[AESbsize]; /* initialization vector */
- uchar mackey[3 * AESbsize]; /* 3 XCBC mac 96 keys */
+ uchar storage[512]; /* storage for expanded keys */
};
/* block ciphers */
-void aes_encrypt(ulong rk[], int Nr, uchar pt[16], uchar ct[16]);
-void aes_decrypt(ulong rk[], int Nr, uchar ct[16], uchar pt[16]);
+extern void (*aes_encrypt)(ulong rk[], int Nr, uchar pt[16], uchar ct[16]);
+extern void (*aes_decrypt)(ulong rk[], int Nr, uchar ct[16], uchar pt[16]);
-void setupAESstate(AESstate *s, uchar key[], int keybytes, uchar *ivec);
+void setupAESstate(AESstate *s, uchar key[], int nkey, uchar *ivec);
+
+void aesCTRencrypt(uchar *p, int len, AESstate *s);
+void aesCTRdecrypt(uchar *p, int len, AESstate *s);
void aesCBCencrypt(uchar *p, int len, AESstate *s);
void aesCBCdecrypt(uchar *p, int len, AESstate *s);
-void aesCTRdecrypt(uchar *p, int len, AESstate *s);
-void aesCTRencrypt(uchar *p, int len, AESstate *s);
+void aesCFBencrypt(uchar *p, int len, AESstate *s);
+void aesCFBdecrypt(uchar *p, int len, AESstate *s);
+void aesOFBencrypt(uchar *p, int len, AESstate *s);
+
+void aes_xts_encrypt(AESstate *tweak, AESstate *ecb, uvlong sectorNumber, uchar *input, uchar *output, ulong len);
+void aes_xts_decrypt(AESstate *tweak, AESstate *ecb, uvlong sectorNumber, uchar *input, uchar *output, ulong len);
+
+typedef struct AESGCMstate AESGCMstate;
+struct AESGCMstate
+{
+ AESstate;
+
+ ulong H[4];
+ ulong M[16][256][4];
+};
-void setupAESXCBCstate(AESstate *s);
-uchar* aesXCBCmac(uchar *p, int len, AESstate *s);
+void setupAESGCMstate(AESGCMstate *s, uchar *key, int keylen, uchar *iv, int ivlen);
+void aesgcm_setiv(AESGCMstate *s, uchar *iv, int ivlen);
+void aesgcm_encrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], AESGCMstate *s);
+int aesgcm_decrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], AESGCMstate *s);
/*
* Blowfish Definitions
@@ -77,37 +96,71 @@
* Chacha definitions
*/
-enum{
+enum
+{
ChachaBsize= 64,
ChachaKeylen= 256/8,
- ChachaIVlen= 96/8
+ ChachaIVlen= 96/8,
+ XChachaIVlen= 192/8,
};
typedef struct Chachastate Chachastate;
struct Chachastate
{
- /*
- * 0-3: a constant (sigma or tau)
- * 4-11: the key
- * 12: block counter
- * 13-15: IV
- */
union{
u32int input[16];
- struct{
+ struct {
u32int constant[4];
u32int key[8];
u32int counter;
u32int iv[3];
};
};
+ u32int xkey[8];
int rounds;
+ int ivwords;
};
-void setupChachastate(Chachastate*, uchar*, usize, uchar*, int);
-void chacha_setblock(Chachastate*, u32int);
-void chacha_encrypt(uchar*, usize, Chachastate*);
-void chacha_encrypt2(uchar*, uchar*, usize, Chachastate*);
+void setupChachastate(Chachastate*, uchar*, ulong, uchar*, ulong, int);
+void chacha_setiv(Chachastate *, uchar*);
+void chacha_setblock(Chachastate*, u64int);
+void chacha_encrypt(uchar*, ulong, Chachastate*);
+void chacha_encrypt2(uchar*, uchar*, ulong, Chachastate*);
+
+void hchacha(uchar h[32], uchar *key, ulong keylen, uchar nonce[16], int rounds);
+
+void ccpoly_encrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], Chachastate *cs);
+int ccpoly_decrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], Chachastate *cs);
+
+/*
+ * Salsa definitions
+ */
+enum
+{
+ SalsaBsize= 64,
+ SalsaKeylen= 256/8,
+ SalsaIVlen= 64/8,
+ XSalsaIVlen= 192/8,
+};
+
+typedef struct Salsastate Salsastate;
+struct Salsastate
+{
+ u32int input[16];
+ u32int xkey[8];
+ int rounds;
+ int ivwords;
+};
+
+void setupSalsastate(Salsastate*, uchar*, ulong, uchar*, ulong, int);
+void salsa_setiv(Salsastate*, uchar*);
+void salsa_setblock(Salsastate*, u64int);
+void salsa_encrypt(uchar*, ulong, Salsastate*);
+void salsa_encrypt2(uchar*, uchar*, ulong, Salsastate*);
+
+void salsa_core(u32int in[16], u32int out[16], int rounds);
+
+void hsalsa(uchar h[32], uchar *key, ulong keylen, uchar nonce[16], int rounds);
/*
* DES definitions
@@ -180,7 +233,8 @@
SHA2_512dlen= 64, /* SHA-512 digest length */
MD4dlen= 16, /* MD4 digest length */
MD5dlen= 16, /* MD5 digest length */
- AESdlen= 16, /* TODO: see rfc */
+ RIPEMD160dlen= 20, /* RIPEMD-160 digest length */
+ Poly1305dlen= 16, /* Poly1305 digest length */
Hmacblksz = 64, /* in bytes; from rfc2104 */
};
@@ -190,7 +244,7 @@
{
uvlong len;
union {
- u32int state[8];
+ u32int state[16];
u64int bstate[8];
};
uchar buf[256];
@@ -206,16 +260,15 @@
typedef struct DigestState SHA2_512state;
typedef struct DigestState MD5state;
typedef struct DigestState MD4state;
-typedef struct DigestState AEShstate;
DigestState* md4(uchar*, ulong, uchar*, DigestState*);
DigestState* md5(uchar*, ulong, uchar*, DigestState*);
+DigestState* ripemd160(uchar *, ulong, uchar *, DigestState *);
DigestState* sha1(uchar*, ulong, uchar*, DigestState*);
DigestState* sha2_224(uchar*, ulong, uchar*, DigestState*);
DigestState* sha2_256(uchar*, ulong, uchar*, DigestState*);
DigestState* sha2_384(uchar*, ulong, uchar*, DigestState*);
DigestState* sha2_512(uchar*, ulong, uchar*, DigestState*);
-DigestState* aes(uchar*, ulong, uchar*, DigestState*);
DigestState* hmac_x(uchar *p, ulong len, uchar *key, ulong klen,
uchar *digest, DigestState *s,
DigestState*(*x)(uchar*, ulong, uchar*, DigestState*),
@@ -226,7 +279,7 @@
DigestState* hmac_sha2_256(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
DigestState* hmac_sha2_384(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
DigestState* hmac_sha2_512(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
-DigestState* hmac_aes(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
+DigestState* poly1305(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
char* md5pickle(MD5state*);
MD5state* md5unpickle(char*);
char* sha1pickle(SHA1state*);
@@ -311,17 +364,27 @@
void rsaprivfree(RSApriv*);
RSApub* rsaprivtopub(RSApriv*);
RSApub* X509toRSApub(uchar*, int, char*, int);
-uchar* RSApubtoasn1(RSApub*, int*);
RSApub* asn1toRSApub(uchar*, int);
RSApriv* asn1toRSApriv(uchar*, int);
void asn1dump(uchar *der, int len);
uchar* decodePEM(char *s, char *type, int *len, char **new_s);
PEMChain* decodepemchain(char *s, char *type);
-uchar* X509gen(RSApriv *priv, char *subj, ulong valid[2], int *certlen);
-uchar* X509req(RSApriv *priv, char *subj, int *certlen);
-char* X509verify(uchar *cert, int ncert, RSApub *pk);
+uchar* X509rsagen(RSApriv *priv, char *subj, ulong valid[2], int *certlen);
+uchar* X509rsareq(RSApriv *priv, char *subj, int *certlen);
+char* X509rsaverify(uchar *cert, int ncert, RSApub *pk);
+char* X509rsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, RSApub *pk);
+
void X509dump(uchar *cert, int ncert);
+mpint* pkcs1padbuf(uchar *buf, int len, mpint *modulus, int blocktype);
+int pkcs1unpadbuf(uchar *buf, int len, mpint *modulus, int blocktype);
+int asn1encodeRSApub(RSApub *pk, uchar *buf, int len);
+int asn1encodeRSApriv(RSApriv *k, uchar *buf, int len);
+int asn1encodedigest(DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*),
+ uchar *digest, uchar *buf, int len);
+
+int X509digestSPKI(uchar *, int, DigestState* (*)(uchar*, ulong, uchar*, DigestState*), uchar *);
+
/*
* elgamal
*/
@@ -409,21 +472,26 @@
*/
typedef struct Thumbprint{
struct Thumbprint *next;
- uchar sha1[SHA1dlen];
+ uchar hash[SHA2_256dlen];
+ uchar len;
} Thumbprint;
typedef struct TLSconn{
char dir[40]; /* connection directory */
uchar *cert; /* certificate (local on input, remote on output) */
uchar *sessionID;
+ uchar *psk;
int certlen;
int sessionIDlen;
+ int psklen;
int (*trace)(char*fmt, ...);
PEMChain*chain; /* optional extra certificate evidence for servers to present */
char *sessionType;
uchar *sessionKey;
int sessionKeylen;
char *sessionConst;
+ char *serverName;
+ char *pskID;
} TLSconn;
/* tlshand.c */
@@ -431,14 +499,104 @@
int tlsServer(int fd, TLSconn *c);
/* thumb.c */
-Thumbprint* initThumbprints(char *ok, char *crl);
+Thumbprint* initThumbprints(char *ok, char *crl, char *tag);
void freeThumbprints(Thumbprint *ok);
-int okThumbprint(uchar *sha1, Thumbprint *ok);
+int okThumbprint(uchar *hash, int len, Thumbprint *ok);
+int okCertificate(uchar *cert, int len, Thumbprint *ok);
/* readcert.c */
uchar *readcert(char *filename, int *pcertlen);
PEMChain*readcertchain(char *filename);
+typedef struct ECpoint{
+ int inf;
+ mpint *x;
+ mpint *y;
+ mpint *z; /* nil when using affine coordinates */
+} ECpoint;
+
+typedef ECpoint ECpub;
+typedef struct ECpriv{
+ ECpoint;
+ mpint *d;
+} ECpriv;
+
+typedef struct ECdomain{
+ mpint *p;
+ mpint *a;
+ mpint *b;
+ ECpoint G;
+ mpint *n;
+ mpint *h;
+} ECdomain;
+
+void ecdominit(ECdomain *, void (*init)(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h));
+void ecdomfree(ECdomain *);
+
+void ecassign(ECdomain *, ECpoint *old, ECpoint *new);
+void ecadd(ECdomain *, ECpoint *a, ECpoint *b, ECpoint *s);
+void ecmul(ECdomain *, ECpoint *a, mpint *k, ECpoint *s);
+ECpoint* strtoec(ECdomain *, char *, char **, ECpoint *);
+ECpriv* ecgen(ECdomain *, ECpriv*);
+int ecverify(ECdomain *, ECpoint *);
+int ecpubverify(ECdomain *, ECpub *);
+void ecdsasign(ECdomain *, ECpriv *, uchar *, int, mpint *, mpint *);
+int ecdsaverify(ECdomain *, ECpub *, uchar *, int, mpint *, mpint *);
+void base58enc(uchar *, char *, int);
+int base58dec(char *, uchar *, int);
+
+ECpub* ecdecodepub(ECdomain *dom, uchar *, int);
+int ecencodepub(ECdomain *dom, ECpub *, uchar *, int);
+void ecpubfree(ECpub *);
+
+ECpub* X509toECpub(uchar *cert, int ncert, char *name, int nname, ECdomain *dom);
+char* X509ecdsaverify(uchar *cert, int ncert, ECdomain *dom, ECpub *pub);
+char* X509ecdsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, ECdomain *dom, ECpub *pub);
+
+/* curves */
+void secp256r1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
+void secp256k1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
+void secp384r1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
+
+/*
+ * Diffie-Hellman key exchange
+ */
+
+typedef struct DHstate DHstate;
+struct DHstate
+{
+ mpint *g; /* base g */
+ mpint *p; /* large prime */
+ mpint *q; /* subgroup prime */
+ mpint *x; /* random secret */
+ mpint *y; /* public key y = g**x % p */
+};
+
+/* generate new public key: y = g**x % p */
+mpint* dh_new(DHstate *dh, mpint *p, mpint *q, mpint *g);
+
+/* calculate shared key: k = y**x % p */
+mpint* dh_finish(DHstate *dh, mpint *y);
+
+/* Curve25519 elliptic curve, public key function */
+void curve25519(uchar mypublic[32], uchar secret[32], uchar basepoint[32]);
+
+/* Curve25519 diffie hellman */
+void curve25519_dh_new(uchar x[32], uchar y[32]);
+int curve25519_dh_finish(uchar x[32], uchar y[32], uchar z[32]);
+
/* password-based key derivation function 2 (rfc2898) */
void pbkdf2_x(uchar *p, ulong plen, uchar *s, ulong slen, ulong rounds, uchar *d, ulong dlen,
DigestState* (*x)(uchar*, ulong, uchar*, ulong, uchar*, DigestState*), int xlen);
+
+/* scrypt password-based key derivation function */
+char* scrypt(uchar *p, ulong plen, uchar *s, ulong slen,
+ ulong N, ulong R, ulong P,
+ uchar *d, ulong dlen);
+
+/* hmac-based key derivation function (rfc5869) */
+void hkdf_x(uchar *salt, ulong nsalt, uchar *info, ulong ninfo, uchar *key, ulong nkey, uchar *d, ulong dlen,
+ DigestState* (*x)(uchar*, ulong, uchar*, ulong, uchar*, DigestState*), int xlen);
+
+/* timing safe memcmp() */
+int tsmemcmp(void*, void*, ulong);
--- sys/include/mp.h Tue Sep 8 01:29:15 2009
+++ /sys/include/mp.h Mon Jun 28 17:35:52 2021
@@ -23,6 +23,10 @@
enum
{
MPstatic= 0x01,
+ MPnorm= 0x02, /* normalization status */
+ MPtimesafe= 0x04, /* request time invariant computation */
+ MPfield= 0x08, /* this mpint is a field modulus */
+
Dbytes= sizeof(mpdigit), /* bytes per digit */
Dbits= Dbytes*8 /* bits per digit */
};
@@ -32,12 +36,14 @@
mpint* mpnew(int n); /* create a new mpint with at least n bits */
void mpfree(mpint *b);
void mpbits(mpint *b, int n); /* ensure that b has at least n bits */
-void mpnorm(mpint *b); /* dump leading zeros */
+mpint* mpnorm(mpint *b); /* dump leading zeros */
mpint* mpcopy(mpint *b);
void mpassign(mpint *old, mpint *new);
/* random bits */
mpint* mprand(int bits, void (*gen)(uchar*, int), mpint *b);
+/* return uniform random [0..n-1] */
+mpint* mpnrand(mpint *n, void (*gen)(uchar*, int), mpint *b);
/* conversion */
mpint* strtomp(char*, char**, int, mpint*); /* ascii */
@@ -47,6 +53,7 @@
int mptole(mpint*, uchar*, uint, uchar**);
mpint* betomp(uchar*, uint, mpint*); /* byte array, little-endian */
int mptobe(mpint*, uchar*, uint, uchar**);
+void mptober(mpint *b, uchar *p, int n);
uint mptoui(mpint*); /* unsigned int */
mpint* uitomp(uint, mpint*);
int mptoi(mpint*); /* int */
@@ -69,6 +76,11 @@
void mpexp(mpint *b, mpint *e, mpint *m, mpint *res); /* res = b**e mod m */
void mpmod(mpint *b, mpint *m, mpint *remainder); /* remainder = b mod m */
+/* modular arithmetic, time invariant when 0≤b1≤m-1 and 0≤b2≤m-1 */
+void mpmodadd(mpint *b1, mpint *b2, mpint *m, mpint *sum); /* sum = b1+b2 % m */
+void mpmodsub(mpint *b1, mpint *b2, mpint *m, mpint *diff); /* diff = b1-b2 % m */
+void mpmodmul(mpint *b1, mpint *b2, mpint *m, mpint *prod); /* prod = b1*b2 % m */
+
/* quotient = dividend/divisor, remainder = dividend % divisor */
void mpdiv(mpint *dividend, mpint *divisor, mpint *quotient, mpint *remainder);
@@ -139,5 +151,18 @@
void crtprefree(CRTpre*);
void crtresfree(CRTres*);
+/* fast field arithmetic */
+typedef struct Mfield Mfield;
+
+struct Mfield
+{
+ mpint;
+ int (*reduce)(Mfield*, mpint*, mpint*);
+};
+
+mpint *mpfield(mpint*);
+
+Mfield *gmfield(mpint*);
+Mfield *cnfield(mpint*);
#pragma varargck type "B" mpint*
--- sys/src/9/port/alloc.c Sat Jan 28 15:52:57 2006
+++ /sys/src/9/port/alloc.c Sat Jun 26 21:21:40 2021
@@ -53,8 +53,27 @@
.private= &pimagpriv,
};
+static Private psecrpriv;
+static Pool psecrmem = {
+ .name= "Secrets",
+ .maxsize= 16*1024*1024,
+ .minarena= 64*1024,
+ .quantum= 32,
+ .alloc= xalloc,
+ .merge= xmerge,
+ .flags= POOL_ANTAGONISM,
+
+ .lock= plock,
+ .unlock= punlock,
+ .print= poolprint,
+ .panic= ppanic,
+
+ .private= &psecrpriv,
+};
+
Pool* mainmem = &pmainmem;
Pool* imagmem = &pimagmem;
+Pool* secrmem = &psecrmem;
/*
* because we can't print while we're holding the locks,
@@ -263,6 +282,34 @@
msize(void *v)
{
return poolmsize(mainmem, (ulong*)v-Npadlong)-Npadlong*sizeof(ulong);
+}
+
+/* secret memory, used to back cryptographic keys and cipher states */
+void*
+secalloc(ulong size)
+{
+ void *v;
+
+ while((v = poolalloc(secrmem, size+Npadlong*sizeof(ulong))) == nil){
+ if(!waserror()){
+ resrcwait(nil);
+ poperror();
+ }
+ }
+ if(Npadlong){
+ v = (ulong*)v+Npadlong;
+ setmalloctag(v, getcallerpc(&size));
+ setrealloctag(v, 0);
+ }
+ memset(v, 0, size);
+ return v;
+}
+
+void
+secfree(void *v)
+{
+ if(v != nil)
+ poolfree(secrmem, (ulong*)v-Npadlong);
}
void*
--- sys/src/9/port/devtls.c Thu Jul 1 17:28:54 2021
+++ /sys/src/9/port/devtls.c Sat Jun 26 21:21:40 2021
@@ -1,5 +1,5 @@
/*
- * devtls - record layer for transport layer security 1.0, 1.1, 1.2 and secure sockets layer 3.0
+ * devtls - record layer for transport layer security 1.2 and secure sockets layer 3.0
*/
#include "u.h"
#include "../port/lib.h"
@@ -11,23 +11,23 @@
#include <libsec.h>
typedef struct OneWay OneWay;
-typedef struct Secret Secret;
+typedef struct Secret Secret;
typedef struct TlsRec TlsRec;
typedef struct TlsErrs TlsErrs;
enum {
Statlen= 1024, /* max. length of status or stats message */
/* buffer limits */
- MaxRecLen = 1<<14, /* max payload length of a record layer message */
+ MaxRecLen = 1<<14, /* max payload length of a record layer message */
MaxCipherRecLen = MaxRecLen + 2048,
- RecHdrLen = 5,
- MaxMacLen = SHA2_256dlen,
+ RecHdrLen = 5,
+ MaxMacLen = SHA2_256dlen,
/* protocol versions we can accept */
- SSL3Version = 0x0300,
- TLS10Version = 0x0301,
- TLS11Version = 0x0302,
- TLS12Version = 0x0303,
+ SSL3Version = 0x0300,
+ TLS10Version = 0x0301,
+ TLS11Version = 0x0302,
+ TLS12Version = 0x0303,
MinProtoVersion = 0x0300, /* limits on version we accept */
MaxProtoVersion = 0x03ff,
@@ -83,21 +83,27 @@
{
char *encalg; /* name of encryption alg */
char *hashalg; /* name of hash alg */
+
+ int (*aead_enc)(Secret*, uchar*, int, uchar*, uchar*, int);
+ int (*aead_dec)(Secret*, uchar*, int, uchar*, uchar*, int);
+
int (*enc)(Secret*, uchar*, int);
int (*dec)(Secret*, uchar*, int);
int (*unpad)(uchar*, int, int);
- DigestState *(*mac)(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
+ DigestState* (*mac)(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
+
int block; /* encryption block len, 0 if none */
- int maclen;
+ int maclen; /* # bytes of record mac / authentication tag */
+ int recivlen; /* # bytes of record iv for AEAD ciphers */
void *enckey;
- uchar mackey[MaxMacLen];
+ uchar mackey[MaxMacLen];
};
struct OneWay
{
QLock io; /* locks io access */
QLock seclock; /* locks secret paramaters */
- ulong seq;
+ u64int seq;
Secret *sec; /* cipher in use */
Secret *new; /* cipher waiting for enable */
};
@@ -119,8 +125,11 @@
int state;
int debug;
- /* record layer mac functions for different protocol versions */
- void (*packMac)(Secret*, uchar*, uchar*, uchar*, uchar*, int, uchar*);
+ /*
+ * function to genrate authenticated data blob for different
+ * protocol versions
+ */
+ int (*packAAD)(u64int, uchar*, uchar*);
/* input side -- protected by in.io */
OneWay in;
@@ -180,7 +189,7 @@
enum
{
/* max. open tls connections */
- MaxTlsDevs = 16*1024
+ MaxTlsDevs = 1024
};
static Lock tdlock;
@@ -221,13 +230,13 @@
static DigestState*sslmac_md5(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s);
static DigestState*sslmac_sha1(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s);
static DigestState*nomac(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s);
-static void sslPackMac(Secret *sec, uchar *mackey, uchar *seq, uchar *header, uchar *body, int len, uchar *mac);
-static void tlsPackMac(Secret *sec, uchar *mackey, uchar *seq, uchar *header, uchar *body, int len, uchar *mac);
-static void put64(uchar *p, vlong x);
+static int sslPackAAD(u64int, uchar*, uchar*);
+static int tlsPackAAD(u64int, uchar*, uchar*);
+static void packMac(Secret*, uchar*, int, uchar*, int, uchar*);
+static void put64(uchar *p, u64int);
static void put32(uchar *p, u32int);
static void put24(uchar *p, int);
static void put16(uchar *p, int);
-static u32int get32(uchar *p);
static int get16(uchar *p);
static void tlsSetState(TlsRec *tr, int new, int old);
static void rcvAlert(TlsRec *tr, int err);
@@ -238,6 +247,10 @@
static int des3dec(Secret *sec, uchar *buf, int n);
static int aesenc(Secret *sec, uchar *buf, int n);
static int aesdec(Secret *sec, uchar *buf, int n);
+static int ccpoly_aead_enc(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len);
+static int ccpoly_aead_dec(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len);
+static int aesgcm_aead_enc(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len);
+static int aesgcm_aead_dec(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len);
static int noenc(Secret *sec, uchar *buf, int n);
static int sslunpad(uchar *buf, int n, int block);
static int tlsunpad(uchar *buf, int n, int block);
@@ -326,7 +339,7 @@
nm = eve;
if((name = trnames[s]) == nil){
name = trnames[s] = smalloc(16);
- snprint(name, 16, "%d", s);
+ sprint(name, "%d", s);
}
devdir(c, q, name, 0, nm, 0555, dp);
unlock(&tdlock);
@@ -410,21 +423,7 @@
tlsopen(Chan *c, int omode)
{
TlsRec *tr, **pp;
- int t, perm;
-
- perm = 0;
- omode &= 3;
- switch(omode) {
- case OREAD:
- perm = 4;
- break;
- case OWRITE:
- perm = 2;
- break;
- case ORDWR:
- perm = 6;
- break;
- }
+ int t;
t = TYPE(c->qid);
switch(t) {
@@ -457,10 +456,7 @@
tr = *pp;
if(tr == nil)
error("must open connection using clone");
- if((perm & (tr->perm>>6)) != perm
- && (strcmp(up->user, tr->user) != 0
- || (perm & tr->perm) != perm))
- error(Eperm);
+ devpermcheck(tr->user, tr->perm, omode);
if(t == Qhand){
if(waserror()){
unlock(&tr->hqlock);
@@ -489,7 +485,7 @@
c->mode = openmode(omode);
c->flag |= COPEN;
c->offset = 0;
- c->iounit = qiomaxatomic;
+ c->iounit = MaxRecLen;
return c;
}
@@ -520,7 +516,7 @@
error(Eshortstat);
if(!emptystr(d->uid))
kstrdup(&tr->user, d->uid);
- if(d->mode != ~0UL)
+ if(d->mode != -1)
tr->perm = d->mode;
free(d);
@@ -734,9 +730,10 @@
{
OneWay *volatile in;
Block *volatile b;
- uchar *p, seq[8], header[RecHdrLen], hmac[MaxMacLen];
+ uchar *p, aad[8+RecHdrLen], header[RecHdrLen], hmac[MaxMacLen];
int volatile nconsumed;
- int len, type, ver, unpad_len;
+ int len, type, ver, unpad_len, aadlen, ivlen;
+ Secret *sec;
nconsumed = 0;
if(waserror()){
@@ -798,35 +795,46 @@
}
qlock(&in->seclock);
p = b->rp;
- if(in->sec != nil) {
+ sec = in->sec;
+ if(sec != nil) {
/* to avoid Canvel-Hiltgen-Vaudenay-Vuagnoux attack, all errors here
should look alike, including timing of the response. */
- unpad_len = (*in->sec->dec)(in->sec, p, len);
+ if(sec->aead_dec != nil)
+ unpad_len = len;
+ else {
+ unpad_len = (*sec->dec)(sec, p, len);
+if(tr->debug) pprint("decrypted %d\n", unpad_len);
+if(tr->debug) pdump(unpad_len, p, "decrypted:");
+ }
- /* excplicit iv */
+ ivlen = sec->recivlen;
if(tr->version >= TLS11Version){
- len -= in->sec->block;
- if(len < 0)
- rcvError(tr, EDecodeError, "runt record message");
-
- unpad_len -= in->sec->block;
- p += in->sec->block;
+ if(ivlen == 0)
+ ivlen = sec->block;
}
+ len -= ivlen;
+ if(len < 0)
+ rcvError(tr, EDecodeError, "runt record message");
+ unpad_len -= ivlen;
+ p += ivlen;
- if(unpad_len >= in->sec->maclen)
- len = unpad_len - in->sec->maclen;
-if(tr->debug) pprint("decrypted %d\n", unpad_len);
-if(tr->debug) pdump(unpad_len, p, "decrypted:");
+ if(unpad_len >= sec->maclen)
+ len = unpad_len - sec->maclen;
/* update length */
put16(header+3, len);
- put64(seq, in->seq);
- in->seq++;
- (*tr->packMac)(in->sec, in->sec->mackey, seq, header, p, len, hmac);
- if(unpad_len < in->sec->maclen)
- rcvError(tr, EBadRecordMac, "short record mac");
- if(memcmp(hmac, p+len, in->sec->maclen) != 0)
- rcvError(tr, EBadRecordMac, "record mac mismatch");
+ aadlen = (*tr->packAAD)(in->seq++, header, aad);
+ if(sec->aead_dec != nil) {
+ len = (*sec->aead_dec)(sec, aad, aadlen, p - ivlen, p, unpad_len);
+ if(len < 0)
+ rcvError(tr, EBadRecordMac, "record mac mismatch");
+ } else {
+ packMac(sec, aad, aadlen, p, len, hmac);
+ if(unpad_len < sec->maclen)
+ rcvError(tr, EBadRecordMac, "short record mac");
+ if(tsmemcmp(hmac, p + len, sec->maclen) != 0)
+ rcvError(tr, EBadRecordMac, "record mac mismatch");
+ }
b->rp = p;
b->wp = p+len;
}
@@ -862,7 +870,7 @@
rcvError(tr, EIllegalParameter, "invalid alert fatal code");
/*
- * propate non-fatal alerts to handshaker
+ * propagate non-fatal alerts to handshaker
*/
switch(p[1]){
case ECloseNotify:
@@ -1171,7 +1179,9 @@
if(tr->out.sec != nil)
s = seprint(s, e, "EncOut: %s\nHashOut: %s\n", tr->out.sec->encalg, tr->out.sec->hashalg);
if(tr->out.new != nil)
- seprint(s, e, "NewEncOut: %s\nNewHashOut: %s\n", tr->out.new->encalg, tr->out.new->hashalg);
+ s = seprint(s, e, "NewEncOut: %s\nNewHashOut: %s\n", tr->out.new->encalg, tr->out.new->hashalg);
+ if(tr->c != nil)
+ seprint(s, e, "Chan: %s\n", chanpath(tr->c));
qunlock(&tr->in.seclock);
qunlock(&tr->out.seclock);
n = readstr(offset, a, n, buf);
@@ -1223,13 +1233,6 @@
return n;
}
-static void
-randfill(uchar *buf, int len)
-{
- while(len-- > 0)
- *buf++ = nrand(256);
-}
-
/*
* write a block in tls records
*/
@@ -1238,9 +1241,10 @@
{
Block *volatile bb;
Block *nb;
- uchar *p, seq[8];
+ uchar *p, aad[8+RecHdrLen];
OneWay *volatile out;
- int n, ivlen, maclen, pad, ok;
+ int n, ivlen, maclen, aadlen, pad, ok;
+ Secret *sec;
out = &tr->out;
bb = b;
@@ -1274,11 +1278,15 @@
maclen = 0;
pad = 0;
ivlen = 0;
- if(out->sec != nil){
- maclen = out->sec->maclen;
- pad = maclen + out->sec->block;
- if(tr->version >= TLS11Version)
- ivlen = out->sec->block;
+ sec = out->sec;
+ if(sec != nil){
+ maclen = sec->maclen;
+ pad = maclen + sec->block;
+ ivlen = sec->recivlen;
+ if(tr->version >= TLS11Version){
+ if(ivlen == 0)
+ ivlen = sec->block;
+ }
}
n = BLEN(bb);
if(n > MaxRecLen){
@@ -1303,20 +1311,16 @@
put16(p+1, tr->version);
put16(p+3, n);
- if(out->sec != nil){
- put64(seq, out->seq);
- out->seq++;
- (*tr->packMac)(out->sec, out->sec->mackey, seq, p, p + RecHdrLen + ivlen, n, p + RecHdrLen + ivlen + n);
- n += maclen;
-
- /* explicit iv */
- if(ivlen > 0){
- randfill(p + RecHdrLen, ivlen);
- n += ivlen;
+ if(sec != nil){
+ aadlen = (*tr->packAAD)(out->seq++, p, aad);
+ if(sec->aead_enc != nil)
+ n = (*sec->aead_enc)(sec, aad, aadlen, p + RecHdrLen, p + RecHdrLen + ivlen, n) + ivlen;
+ else {
+ if(ivlen > 0)
+ prng(p + RecHdrLen, ivlen);
+ packMac(sec, aad, aadlen, p + RecHdrLen + ivlen, n, p + RecHdrLen + ivlen + n);
+ n = (*sec->enc)(sec, p + RecHdrLen, ivlen + n + maclen);
}
-
- /* encrypt */
- n = (*out->sec->enc)(out->sec, p + RecHdrLen, n);
nb->wp = p + RecHdrLen + n;
/* update length */
@@ -1402,7 +1406,6 @@
static void
initclearmac(Hashalg *, int, Secret *s, uchar *)
{
- s->maclen = 0;
s->mac = nomac;
}
@@ -1429,10 +1432,10 @@
static Hashalg hashtab[] =
{
- { "clear", 0, initclearmac, },
- { "md5", MD5dlen, initmd5key, },
- { "sha1", SHA1dlen, initsha1key, },
- { "sha256", SHA2_256dlen, initsha2_256key, },
+ { "clear", 0, initclearmac, },
+ { "md5", MD5dlen, initmd5key, },
+ { "sha1", SHA1dlen, initsha1key, },
+ { "sha256", SHA2_256dlen, initsha2_256key, },
{ 0 }
};
@@ -1460,17 +1463,16 @@
static void
initRC4key(Encalg *ea, Secret *s, uchar *p, uchar *)
{
- s->enckey = smalloc(sizeof(RC4state));
+ s->enckey = secalloc(sizeof(RC4state));
s->enc = rc4enc;
s->dec = rc4enc;
- s->block = 0;
setupRC4state(s->enckey, p, ea->keylen);
}
static void
initDES3key(Encalg *, Secret *s, uchar *p, uchar *iv)
{
- s->enckey = smalloc(sizeof(DES3state));
+ s->enckey = secalloc(sizeof(DES3state));
s->enc = des3enc;
s->dec = des3dec;
s->block = 8;
@@ -1480,7 +1482,7 @@
static void
initAESkey(Encalg *ea, Secret *s, uchar *p, uchar *iv)
{
- s->enckey = smalloc(sizeof(AESstate));
+ s->enckey = secalloc(sizeof(AESstate));
s->enc = aesenc;
s->dec = aesdec;
s->block = 16;
@@ -1488,11 +1490,40 @@
}
static void
+initccpolykey(Encalg *ea, Secret *s, uchar *p, uchar *iv)
+{
+ s->enckey = secalloc(sizeof(Chachastate));
+ s->aead_enc = ccpoly_aead_enc;
+ s->aead_dec = ccpoly_aead_dec;
+ s->maclen = Poly1305dlen;
+ if(ea->ivlen == 0) {
+ /* older draft version, iv is 64-bit sequence number */
+ setupChachastate(s->enckey, p, ea->keylen, nil, 64/8, 20);
+ } else {
+ /* IETF standard, 96-bit iv xored with sequence number */
+ memmove(s->mackey, iv, ea->ivlen);
+ setupChachastate(s->enckey, p, ea->keylen, iv, ea->ivlen, 20);
+ }
+}
+
+static void
+initaesgcmkey(Encalg *ea, Secret *s, uchar *p, uchar *iv)
+{
+ s->enckey = secalloc(sizeof(AESGCMstate));
+ s->aead_enc = aesgcm_aead_enc;
+ s->aead_dec = aesgcm_aead_dec;
+ s->maclen = 16;
+ s->recivlen = 8;
+ memmove(s->mackey, iv, ea->ivlen);
+ prng(s->mackey + ea->ivlen, s->recivlen);
+ setupAESGCMstate(s->enckey, p, ea->keylen, nil, 0);
+}
+
+static void
initclearenc(Encalg *, Secret *s, uchar *, uchar *)
{
s->enc = noenc;
s->dec = noenc;
- s->block = 0;
}
static Encalg encrypttab[] =
@@ -1502,6 +1533,10 @@
{ "3des_ede_cbc", 3 * 8, 8, initDES3key },
{ "aes_128_cbc", 128/8, 16, initAESkey },
{ "aes_256_cbc", 256/8, 16, initAESkey },
+ { "ccpoly64_aead", 256/8, 0, initccpolykey },
+ { "ccpoly96_aead", 256/8, 96/8, initccpolykey },
+ { "aes_128_gcm_aead", 128/8, 4, initaesgcmkey },
+ { "aes_256_gcm_aead", 256/8, 4, initaesgcmkey },
{ 0 }
};
@@ -1543,8 +1578,8 @@
e = p + n;
do{
m = e - p;
- if(m > MaxRecLen)
- m = MaxRecLen;
+ if(m > c->iounit)
+ m = c->iounit;
b = allocb(m);
if(waserror()){
@@ -1606,9 +1641,9 @@
if(m < MinProtoVersion || m > MaxProtoVersion)
error("unsupported version");
if(m == SSL3Version)
- tr->packMac = sslPackMac;
+ tr->packAAD = sslPackAAD;
else
- tr->packMac = tlsPackMac;
+ tr->packAAD = tlsPackAAD;
tr->verset = 1;
tr->version = m;
}else if(strcmp(cb->f[0], "secret") == 0){
@@ -1630,32 +1665,34 @@
ea = parseencalg(cb->f[2]);
p = cb->f[4];
- m = (strlen(p)*3)/2;
- x = smalloc(m);
- tos = nil;
- toc = nil;
+ m = (strlen(p)*3)/2 + 1;
+ x = secalloc(m);
+ tos = secalloc(sizeof(Secret));
+ toc = secalloc(sizeof(Secret));
if(waserror()){
+ secfree(x);
freeSec(tos);
freeSec(toc);
- free(x);
nexterror();
}
+
m = dec64(x, m, p, strlen(p));
+ memset(p, 0, strlen(p));
if(m < 2 * ha->maclen + 2 * ea->keylen + 2 * ea->ivlen)
error("not enough secret data provided");
- tos = smalloc(sizeof(Secret));
- toc = smalloc(sizeof(Secret));
if(!ha->initkey || !ea->initkey)
error("misimplemented secret algorithm");
+
(*ha->initkey)(ha, tr->version, tos, &x[0]);
(*ha->initkey)(ha, tr->version, toc, &x[ha->maclen]);
(*ea->initkey)(ea, tos, &x[2 * ha->maclen], &x[2 * ha->maclen + 2 * ea->keylen]);
(*ea->initkey)(ea, toc, &x[2 * ha->maclen + ea->keylen], &x[2 * ha->maclen + 2 * ea->keylen + ea->ivlen]);
- if(!tos->mac || !tos->enc || !tos->dec
- || !toc->mac || !toc->enc || !toc->dec)
- error("missing algorithm implementations");
+ if(!tos->aead_enc || !tos->aead_dec || !toc->aead_enc || !toc->aead_dec)
+ if(!tos->mac || !tos->enc || !tos->dec || !toc->mac || !toc->enc || !toc->dec)
+ error("missing algorithm implementations");
+
if(strtol(cb->f[3], nil, 0) == 0){
tr->in.new = tos;
tr->out.new = toc;
@@ -1675,7 +1712,7 @@
tos->encalg = ea->name;
tos->hashalg = ha->name;
- free(x);
+ secfree(x);
poperror();
}else if(strcmp(cb->f[0], "changecipher") == 0){
if(cb->nf != 1)
@@ -1756,12 +1793,8 @@
struct Hashalg *h;
int n;
char *cp;
- static int already;
- if(!already){
- fmtinstall('H', encodefmt);
- already = 1;
- }
+ fmtinstall('H', encodefmt);
tlsdevs = smalloc(sizeof(TlsRec*) * maxtlsdevs);
trnames = smalloc((sizeof *trnames) * maxtlsdevs);
@@ -1828,7 +1861,7 @@
fd = strtoul(p, 0, 0);
if(fd < 0)
error(Ebadarg);
- c = fdtochan(fd, -1, 0, 1); /* error check and inc ref */
+ c = fdtochan(fd, ORDWR, 1, 1); /* error check and inc ref */
return c;
}
@@ -1872,7 +1905,7 @@
{
int s;
-if(tr->debug)pprint("tleError %s\n", msg);
+if(tr->debug)pprint("tlsError %s\n", msg);
lock(&tr->statelk);
s = tr->state;
tr->state = SError;
@@ -2004,10 +2037,10 @@
static void
freeSec(Secret *s)
{
- if(s != nil){
- free(s->enckey);
- free(s);
- }
+ if(s == nil)
+ return;
+ secfree(s->enckey);
+ secfree(s);
}
static int
@@ -2062,7 +2095,7 @@
buf[n++] = pad;
return nn;
}
-
+
static int
des3enc(Secret *sec, uchar *buf, int n)
{
@@ -2093,6 +2126,83 @@
return (*sec->unpad)(buf, n, 16);
}
+static void
+ccpoly_aead_setiv(Secret *sec, uchar seq[8])
+{
+ uchar iv[ChachaIVlen];
+ Chachastate *cs;
+ int i;
+
+ cs = (Chachastate*)sec->enckey;
+ if(cs->ivwords == 2){
+ chacha_setiv(cs, seq);
+ return;
+ }
+
+ memmove(iv, sec->mackey, ChachaIVlen);
+ for(i=0; i<8; i++)
+ iv[i+(ChachaIVlen-8)] ^= seq[i];
+
+ chacha_setiv(cs, iv);
+
+ memset(iv, 0, sizeof(iv));
+}
+
+static int
+ccpoly_aead_enc(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len)
+{
+ USED(reciv);
+ ccpoly_aead_setiv(sec, aad);
+ ccpoly_encrypt(data, len, aad, aadlen, data+len, sec->enckey);
+ return len + sec->maclen;
+}
+
+static int
+ccpoly_aead_dec(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len)
+{
+ USED(reciv);
+ len -= sec->maclen;
+ if(len < 0)
+ return -1;
+ ccpoly_aead_setiv(sec, aad);
+ if(ccpoly_decrypt(data, len, aad, aadlen, data+len, sec->enckey) != 0)
+ return -1;
+ return len;
+}
+
+static int
+aesgcm_aead_enc(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len)
+{
+ uchar iv[12];
+ int i;
+
+ memmove(iv, sec->mackey, 4+8);
+ for(i=0; i<8; i++) iv[4+i] ^= aad[i];
+ memmove(reciv, iv+4, 8);
+ aesgcm_setiv(sec->enckey, iv, 12);
+ memset(iv, 0, sizeof(iv));
+ aesgcm_encrypt(data, len, aad, aadlen, data+len, sec->enckey);
+ return len + sec->maclen;
+}
+
+static int
+aesgcm_aead_dec(Secret *sec, uchar *aad, int aadlen, uchar *reciv, uchar *data, int len)
+{
+ uchar iv[12];
+
+ len -= sec->maclen;
+ if(len < 0)
+ return -1;
+ memmove(iv, sec->mackey, 4);
+ memmove(iv+4, reciv, 8);
+ aesgcm_setiv(sec->enckey, iv, 12);
+ memset(iv, 0, sizeof(iv));
+ if(aesgcm_decrypt(data, len, aad, aadlen, data+len, sec->enckey) != 0)
+ return -1;
+ return len;
+}
+
+
static DigestState*
nomac(uchar *, ulong, uchar *, ulong, uchar *, DigestState *)
{
@@ -2152,32 +2262,35 @@
return sslmac_x(p, len, key, klen, digest, s, md5, MD5dlen, 48);
}
-static void
-sslPackMac(Secret *sec, uchar *mackey, uchar *seq, uchar *header, uchar *body, int len, uchar *mac)
+static int
+sslPackAAD(u64int seq, uchar *hdr, uchar *aad)
{
- DigestState *s;
- uchar buf[11];
-
- memmove(buf, seq, 8);
- buf[8] = header[0];
- buf[9] = header[3];
- buf[10] = header[4];
+ put64(aad, seq);
+ aad[8] = hdr[0];
+ aad[9] = hdr[3];
+ aad[10] = hdr[4];
+ return 11;
+}
- s = (*sec->mac)(buf, 11, mackey, sec->maclen, 0, 0);
- (*sec->mac)(body, len, mackey, sec->maclen, mac, s);
+static int
+tlsPackAAD(u64int seq, uchar *hdr, uchar *aad)
+{
+ put64(aad, seq);
+ aad[8] = hdr[0];
+ aad[9] = hdr[1];
+ aad[10] = hdr[2];
+ aad[11] = hdr[3];
+ aad[12] = hdr[4];
+ return 13;
}
static void
-tlsPackMac(Secret *sec, uchar *mackey, uchar *seq, uchar *header, uchar *body, int len, uchar *mac)
+packMac(Secret *sec, uchar *aad, int aadlen, uchar *body, int bodylen, uchar *mac)
{
DigestState *s;
- uchar buf[13];
-
- memmove(buf, seq, 8);
- memmove(&buf[8], header, 5);
- s = (*sec->mac)(buf, 13, mackey, sec->maclen, 0, 0);
- (*sec->mac)(body, len, mackey, sec->maclen, mac, s);
+ s = (*sec->mac)(aad, aadlen, sec->mackey, sec->maclen, nil, nil);
+ (*sec->mac)(body, bodylen, sec->mackey, sec->maclen, mac, s);
}
static void
@@ -2190,10 +2303,10 @@
}
static void
-put64(uchar *p, vlong x)
+put64(uchar *p, u64int x)
{
- put32(p, (u32int)(x >> 32));
- put32(p+4, (u32int)x);
+ put32(p, x >> 32);
+ put32(p+4, x);
}
static void
@@ -2209,12 +2322,6 @@
{
p[0] = x>>8;
p[1] = x;
-}
-
-static u32int
-get32(uchar *p)
-{
- return (p[0]<<24)|(p[1]<<16)|(p[2]<<8)|p[3];
}
static int
--- sys/src/ape/lib/sec/port/mkfile Thu Sep 19 23:24:49 2013
+++ /sys/src/ape/lib/sec/port/mkfile Sat Jun 26 21:21:40 2021
@@ -5,20 +5,38 @@
LIBSECCFILES =\
des.c desmodes.c desECB.c desCBC.c des3ECB.c des3CBC.c\
- aes.c blowfish.c \
+ aes.c aesni.c aesCBC.c aesCFB.c aesOFB.c aes_gcm.c \
+ blowfish.c \
hmac.c md5.c md5block.c md4.c sha1.c sha1block.c\
sha2_64.c sha2_128.c sha2block64.c sha2block128.c\
- sha1pickle.c md5pickle.c\
+ poly1305.c\
rc4.c\
+ chacha.c chachablock.c\
+ salsa.c\
genrandom.c prng.c fastrand.c nfastrand.c\
probably_prime.c smallprimetest.c genprime.c dsaprimes.c\
gensafeprime.c genstrongprime.c\
rsagen.c rsafill.c rsaencrypt.c rsadecrypt.c rsaalloc.c \
- rsaprivtopub.c decodepem.c \
+ rsaprivtopub.c x509.c decodepem.c \
eggen.c egencrypt.c egdecrypt.c egalloc.c egprivtopub.c \
egsign.c egverify.c \
dsagen.c dsaalloc.c dsaprivtopub.c dsasign.c dsaverify.c \
tlshand.c thumb.c readcert.c \
+ aes_xts.c \
+ ecc.c\
+ jacobian.c\
+ ripemd.c\
+ dh.c\
+ curve25519.c\
+ curve25519_dh.c\
+ pbkdf2.c\
+ scrypt.c\
+ hkdf.c\
+ ccpoly.c\
+ tsmemcmp.c\
+ secp256r1.c\
+ secp384r1.c\
+ secp256k1.c\
CFILES=\
$LIBSECCFILES\
--- sys/src/ape/lib/sec/port/x509-ape.c Thu Sep 19 23:15:01 2013
+++ /sys/src/ape/lib/sec/port/x509-ape.c Sat Jun 26 21:25:59 2021
@@ -3,11 +3,6 @@
#include <mp.h>
#include <libsec.h>
-typedef DigestState*(*DigestFun)(uchar*,ulong,uchar*,DigestState*);
-
-/* ANSI offsetof, backwards. */
-#define OFFSETOF(a, b) offsetof(b, a)
-
/*=============================================================*/
/* general ASN1 declarations and parsing
*
@@ -58,18 +53,18 @@
struct Bytes {
int len;
- uchar data[1];
+ uchar data[];
};
struct Ints {
int len;
- int data[1];
+ int data[];
};
struct Bits {
int len; /* number of bytes */
int unusedbits; /* unused bits in last byte */
- uchar data[1]; /* most-significant bit first */
+ uchar data[]; /* most-significant bit first */
};
struct Tag {
@@ -135,14 +130,11 @@
static int is_string(Elem* pe, char** pstring);
static int is_time(Elem* pe, char** ptime);
static int decode(uchar* a, int alen, Elem* pelem);
-static int decode_seq(uchar* a, int alen, Elist** pelist);
-static int decode_value(uchar* a, int alen, int kind, int isconstr, Value* pval);
static int encode(Elem e, Bytes** pbytes);
static int oid_lookup(Ints* o, Ints** tab);
static void freevalfields(Value* v);
static mpint *asn1mpint(Elem *e);
-
-
+static void edump(Elem);
#define TAG_MASK 0x1F
#define CONSTR_MASK 0x20
@@ -169,9 +161,8 @@
if(n==0)
n=1;
p = malloc(n);
- if(p == nil){
- exits("out of memory");
- }
+ if(p == nil)
+ sysfatal("out of memory");
memset(p, 0, n);
setmalloctag(p, getcallerpc(&n));
return p;
@@ -180,14 +171,13 @@
static char*
estrdup(char *s)
{
- char *d, *d0;
+ char *d;
+ int n;
- if(!s)
- return 0;
- d = d0 = emalloc(strlen(s)+1);
- while(*d++ = *s++)
- ;
- return d0;
+ n = strlen(s)+1;
+ d = emalloc(n);
+ memmove(d, s, n);
+ return d;
}
@@ -201,37 +191,12 @@
decode(uchar* a, int alen, Elem* pelem)
{
uchar* p = a;
+ int err;
- return ber_decode(&p, &a[alen], pelem);
-}
-
-/*
- * Like decode, but continue decoding after first element
- * of array ends.
- */
-static int
-decode_seq(uchar* a, int alen, Elist** pelist)
-{
- uchar* p = a;
-
- return seq_decode(&p, &a[alen], -1, 1, pelist);
-}
-
-/*
- * Decode the whole array as a BER encoding of an ASN1 value,
- * (i.e., the part after the tag and length).
- * Assume the value is encoded as universal tag "kind".
- * The constr arg is 1 if the value is constructed, 0 if primitive.
- * If there's an error, the return string will contain the error.
- * Depending on the error, the returned value may or may not
- * be nil.
- */
-static int
-decode_value(uchar* a, int alen, int kind, int isconstr, Value* pval)
-{
- uchar* p = a;
-
- return value_decode(&p, &a[alen], alen, kind, isconstr, pval);
+ err = ber_decode(&p, &a[alen], pelem);
+ if(err == ASN_OK && p != &a[alen])
+ err = ASN_EVALLEN;
+ return err;
}
/*
@@ -257,15 +222,14 @@
Tag tag;
Value val;
+ memset(pelem, 0, sizeof(*pelem));
err = tag_decode(pp, pend, &tag, &isconstr);
if(err == ASN_OK) {
err = length_decode(pp, pend, &length);
if(err == ASN_OK) {
- if(tag.class == Universal) {
+ if(tag.class == Universal)
err = value_decode(pp, pend, length, tag.num, isconstr, &val);
- if(val.tag == VSeq || val.tag == VSet)
- setmalloctag(val.u.seqval, getcallerpc(&pp));
- }else
+ else
err = value_decode(pp, pend, length, OCTET_STRING, 0, &val);
if(err == ASN_OK) {
pelem->tag = tag;
@@ -400,8 +364,7 @@
pval->u.bitstringval = makebits(0, 0, 0);
p += 2;
}
- else
- /* TODO: recurse and concat results */
+ else /* TODO: recurse and concat results */
err = ASN_EUNIMPL;
}
else {
@@ -502,7 +465,6 @@
case SEQUENCE:
err = seq_decode(&p, pend, length, isconstr, &vl);
- setmalloctag(vl, getcallerpc(&pp));
if(err == ASN_OK) {
pval->tag = VSeq ;
pval->u.seqval = vl;
@@ -511,12 +473,12 @@
case SETOF:
err = seq_decode(&p, pend, length, isconstr, &vl);
- setmalloctag(vl, getcallerpc(&pp));
if(err == ASN_OK) {
pval->tag = VSet;
pval->u.setval = vl;
}
break;
+
case UTF8String:
case NumericString:
case PrintableString:
@@ -530,13 +492,64 @@
case GeneralString:
case UniversalString:
case BMPString:
- /* TODO: figure out when character set conversion is necessary */
err = octet_decode(&p, pend, length, isconstr, &va);
if(err == ASN_OK) {
- pval->tag = VString;
- pval->u.stringval = (char*)emalloc(va->len+1);
- memmove(pval->u.stringval, va->data, va->len);
- pval->u.stringval[va->len] = 0;
+ uchar *s;
+ char *d;
+ Rune r;
+ int n;
+
+ switch(kind){
+ case UniversalString:
+ n = va->len / 4;
+ d = emalloc(n*UTFmax+1);
+ pval->u.stringval = d;
+ s = va->data;
+ while(n > 0){
+ r = s[0]<<24 | s[1]<<16 | s[2]<<8 | s[3];
+ if(r == 0)
+ break;
+ n--;
+ s += 4;
+ d += runetochar(d, &r);
+ }
+ *d = 0;
+ break;
+ case BMPString:
+ n = va->len / 2;
+ d = emalloc(n*UTFmax+1);
+ pval->u.stringval = d;
+ s = va->data;
+ while(n > 0){
+ r = s[0]<<8 | s[1];
+ if(r == 0)
+ break;
+ n--;
+ s += 2;
+ d += runetochar(d, &r);
+ }
+ *d = 0;
+ break;
+ default:
+ n = va->len;
+ d = emalloc(n+1);
+ pval->u.stringval = d;
+ s = va->data;
+ while(n > 0){
+ if((*d = *s) == 0)
+ break;
+ n--;
+ s++;
+ d++;
+ }
+ *d = 0;
+ break;
+ }
+ if(n != 0){
+ err = ASN_EINVAL;
+ free(pval->u.stringval);
+ } else
+ pval->tag = VString;
free(va);
}
break;
@@ -665,25 +678,27 @@
switch(elem.val.tag) {
case VOctets:
newans = catbytes(ans, elem.val.u.octetsval);
+ freevalfields(&elem.val);
freebytes(ans);
ans = newans;
break;
case VEOC:
- if(length != -1) {
- p = pold;
- err = ASN_EINVAL;
- }
- goto cloop_done;
-
+ if(length == -1)
+ goto cloop_done;
+ /* no break */
default:
+ freevalfields(&elem.val);
p = pold;
err = ASN_EINVAL;
goto cloop_done;
}
}
cloop_done:
- ;
+ if(err != ASN_OK){
+ freebytes(ans);
+ ans = nil;
+ }
}
*pp = p;
*pbytes = ans;
@@ -736,7 +751,9 @@
else
lve = mkel(elem, lve);
}
- if(err == ASN_OK) {
+ if(err != ASN_OK)
+ freeelist(lve);
+ else {
/* reverse back to original order */
while(lve != nil) {
lveold = lve;
@@ -748,7 +765,6 @@
}
*pp = p;
*pelist = ans;
- setmalloctag(ans, getcallerpc(&pp));
return err;
}
@@ -977,8 +993,8 @@
memmove(p, bb->data, bb->len);
p += bb->len;
}
- else
- err = ASN_EINVAL;
+ else
+ err = ASN_EINVAL;
break;
case NULLTAG:
@@ -1195,21 +1211,8 @@
static int
is_bigint(Elem* pe, Bytes** pbigint)
{
- int v, n, i;
-
- if(pe->tag.class == Universal && pe->tag.num == INTEGER) {
- if(pe->val.tag == VBigInt)
- *pbigint = pe->val.u.bigintval;
- else if(pe->val.tag == VInt){
- v = pe->val.u.intval;
- for(n = 1; n < 4; n++)
- if((1 << (8 * n)) > v)
- break;
- *pbigint = newbytes(n);
- for(i = 0; i < n; i++)
- (*pbigint)->data[i] = (v >> ((n - 1 - i) * 8));
- }else
- return 0;
+ if(pe->tag.class == Universal && pe->tag.num == INTEGER && pe->val.tag == VBigInt) {
+ *pbigint = pe->val.u.bigintval;
return 1;
}
return 0;
@@ -1292,7 +1295,9 @@
{
Bytes* ans;
- ans = (Bytes*)emalloc(OFFSETOF(data[0], Bytes) + len);
+ if(len < 0)
+ abort();
+ ans = emalloc(sizeof(Bytes) + len);
ans->len = len;
return ans;
}
@@ -1313,8 +1318,7 @@
static void
freebytes(Bytes* b)
{
- if(b != nil)
- free(b);
+ free(b);
}
/*
@@ -1352,7 +1356,9 @@
{
Ints* ans;
- ans = (Ints*)emalloc(OFFSETOF(data[0], Ints) + len*sizeof(int));
+ if(len < 0 || len > ((uint)-1>>1)/sizeof(int))
+ abort();
+ ans = emalloc(sizeof(Ints) + len*sizeof(int));
ans->len = len;
return ans;
}
@@ -1363,16 +1369,14 @@
Ints* ans;
ans = newints(len);
- if(len > 0)
- memmove(ans->data, buf, len*sizeof(int));
+ memmove(ans->data, buf, len*sizeof(int));
return ans;
}
static void
freeints(Ints* b)
{
- if(b != nil)
- free(b);
+ free(b);
}
/* len is number of bytes */
@@ -1381,7 +1385,9 @@
{
Bits* ans;
- ans = (Bits*)emalloc(OFFSETOF(data[0], Bits) + len);
+ if(len < 0)
+ abort();
+ ans = emalloc(sizeof(Bits) + len);
ans->len = len;
ans->unusedbits = 0;
return ans;
@@ -1401,8 +1407,7 @@
static void
freebits(Bits* b)
{
- if(b != nil)
- free(b);
+ free(b);
}
static Elist*
@@ -1469,24 +1474,35 @@
freeints(v->u.objidval);
break;
case VString:
- if(v->u.stringval)
- free(v->u.stringval);
+ free(v->u.stringval);
break;
case VSeq:
el = v->u.seqval;
for(l = el; l != nil; l = l->tl)
freevalfields(&l->hd.val);
- if(el)
- freeelist(el);
+ freeelist(el);
break;
case VSet:
el = v->u.setval;
for(l = el; l != nil; l = l->tl)
freevalfields(&l->hd.val);
- if(el)
- freeelist(el);
+ freeelist(el);
break;
}
+ memset(v, 0, sizeof(*v));
+}
+
+static mpint*
+asn1mpint(Elem *e)
+{
+ Bytes *b;
+ int v;
+
+ if(is_int(e, &v))
+ return itomp(v, nil);
+ if(is_bigint(e, &b))
+ return betomp(b->data, b->len, nil);
+ return nil;
}
/* end of general ASN1 functions */
@@ -1569,9 +1585,10 @@
char* validity_end;
char* subject;
int publickey_alg;
- Bytes* publickey;
+ Bits* publickey;
int signature_alg;
- Bytes* signature;
+ Bits* signature;
+ int curve;
} CertX509;
/* Algorithm object-ids */
@@ -1580,48 +1597,144 @@
ALG_md2WithRSAEncryption,
ALG_md4WithRSAEncryption,
ALG_md5WithRSAEncryption,
+
ALG_sha1WithRSAEncryption,
ALG_sha1WithRSAEncryptionOiw,
+
+ ALG_sha256WithRSAEncryption,
+ ALG_sha384WithRSAEncryption,
+ ALG_sha512WithRSAEncryption,
+ ALG_sha224WithRSAEncryption,
+
+ ALG_ecPublicKey,
+ ALG_sha1WithECDSA,
+ ALG_sha256WithECDSA,
+ ALG_sha384WithECDSA,
+ ALG_sha512WithECDSA,
+
ALG_md5,
+ ALG_sha1,
+ ALG_sha256,
+ ALG_sha384,
+ ALG_sha512,
+ ALG_sha224,
+
NUMALGS
};
-typedef struct Ints7 {
+
+typedef struct Ints15 {
int len;
- int data[7];
-} Ints7;
-static Ints7 oid_rsaEncryption = {7, 1, 2, 840, 113549, 1, 1, 1 };
-static Ints7 oid_md2WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 2 };
-static Ints7 oid_md4WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 3 };
-static Ints7 oid_md5WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 4 };
-static Ints7 oid_sha1WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 5 };
-static Ints7 oid_sha1WithRSAEncryptionOiw ={6, 1, 3, 14, 3, 2, 29 };
-static Ints7 oid_md5 ={6, 1, 2, 840, 113549, 2, 5, 0 };
+ int data[15];
+} Ints15;
+
+typedef struct DigestAlg {
+ int alg;
+ DigestState* (*fun)(uchar*,ulong,uchar*,DigestState*);
+ int len;
+} DigestAlg;
+
+static DigestAlg alg_md5 = { ALG_md5, md5, MD5dlen};
+static DigestAlg alg_sha1 = { ALG_sha1, sha1, SHA1dlen };
+static DigestAlg alg_sha256 = { ALG_sha256, sha2_256, SHA2_256dlen };
+static DigestAlg alg_sha384 = { ALG_sha384, sha2_384, SHA2_384dlen };
+static DigestAlg alg_sha512 = { ALG_sha512, sha2_512, SHA2_512dlen };
+static DigestAlg alg_sha224 = { ALG_sha224, sha2_224, SHA2_224dlen };
+
+/* maximum length of digest output of the digest algs above */
+enum {
+ MAXdlen = SHA2_512dlen,
+};
+
+static Ints15 oid_rsaEncryption = {7, 1, 2, 840, 113549, 1, 1, 1 };
+
+static Ints15 oid_md2WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 2 };
+static Ints15 oid_md4WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 3 };
+static Ints15 oid_md5WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 4 };
+static Ints15 oid_sha1WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 5 };
+static Ints15 oid_sha1WithRSAEncryptionOiw ={6, 1, 3, 14, 3, 2, 29 };
+static Ints15 oid_sha256WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 11 };
+static Ints15 oid_sha384WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 12 };
+static Ints15 oid_sha512WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 13 };
+static Ints15 oid_sha224WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 14 };
+
+static Ints15 oid_ecPublicKey = {6, 1, 2, 840, 10045, 2, 1 };
+static Ints15 oid_sha1WithECDSA = {6, 1, 2, 840, 10045, 4, 1 };
+static Ints15 oid_sha256WithECDSA = {7, 1, 2, 840, 10045, 4, 3, 2 };
+static Ints15 oid_sha384WithECDSA = {7, 1, 2, 840, 10045, 4, 3, 3 };
+static Ints15 oid_sha512WithECDSA = {7, 1, 2, 840, 10045, 4, 3, 4 };
+
+static Ints15 oid_md5 = {6, 1, 2, 840, 113549, 2, 5 };
+static Ints15 oid_sha1 = {6, 1, 3, 14, 3, 2, 26 };
+static Ints15 oid_sha256= {9, 2, 16, 840, 1, 101, 3, 4, 2, 1 };
+static Ints15 oid_sha384= {9, 2, 16, 840, 1, 101, 3, 4, 2, 2 };
+static Ints15 oid_sha512= {9, 2, 16, 840, 1, 101, 3, 4, 2, 3 };
+static Ints15 oid_sha224= {9, 2, 16, 840, 1, 101, 3, 4, 2, 4 };
+
static Ints *alg_oid_tab[NUMALGS+1] = {
(Ints*)&oid_rsaEncryption,
(Ints*)&oid_md2WithRSAEncryption,
(Ints*)&oid_md4WithRSAEncryption,
(Ints*)&oid_md5WithRSAEncryption,
+
(Ints*)&oid_sha1WithRSAEncryption,
(Ints*)&oid_sha1WithRSAEncryptionOiw,
+
+ (Ints*)&oid_sha256WithRSAEncryption,
+ (Ints*)&oid_sha384WithRSAEncryption,
+ (Ints*)&oid_sha512WithRSAEncryption,
+ (Ints*)&oid_sha224WithRSAEncryption,
+
+ (Ints*)&oid_ecPublicKey,
+ (Ints*)&oid_sha1WithECDSA,
+ (Ints*)&oid_sha256WithECDSA,
+ (Ints*)&oid_sha384WithECDSA,
+ (Ints*)&oid_sha512WithECDSA,
+
(Ints*)&oid_md5,
+ (Ints*)&oid_sha1,
+ (Ints*)&oid_sha256,
+ (Ints*)&oid_sha384,
+ (Ints*)&oid_sha512,
+ (Ints*)&oid_sha224,
+ nil
+};
+
+static DigestAlg *digestalg[NUMALGS+1] = {
+ &alg_md5, &alg_md5, &alg_md5, &alg_md5,
+ &alg_sha1, &alg_sha1,
+ &alg_sha256, &alg_sha384, &alg_sha512, &alg_sha224,
+ &alg_sha256, &alg_sha1, &alg_sha256, &alg_sha384, &alg_sha512,
+ &alg_md5, &alg_sha1, &alg_sha256, &alg_sha384, &alg_sha512, &alg_sha224,
nil
};
-static DigestFun digestalg[NUMALGS+1] = { md5, md5, md5, md5, sha1, sha1, md5, nil };
+
+static Bytes* encode_digest(DigestAlg *da, uchar *digest);
+
+static Ints15 oid_secp256r1 = {7, 1, 2, 840, 10045, 3, 1, 7};
+static Ints15 oid_secp384r1 = {5, 1, 3, 132, 0, 34};
+
+static Ints *namedcurves_oid_tab[] = {
+ (Ints*)&oid_secp256r1,
+ (Ints*)&oid_secp384r1,
+ nil,
+};
+static void (*namedcurves[])(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h) = {
+ secp256r1,
+ secp384r1,
+ nil,
+};
static void
freecert(CertX509* c)
{
- if(!c) return;
- if(c->issuer != nil)
- free(c->issuer);
- if(c->validity_start != nil)
- free(c->validity_start);
- if(c->validity_end != nil)
- free(c->validity_end);
- if(c->subject != nil)
- free(c->subject);
- freebytes(c->publickey);
- freebytes(c->signature);
+ if(c == nil)
+ return;
+ free(c->issuer);
+ free(c->validity_start);
+ free(c->validity_end);
+ free(c->subject);
+ freebits(c->publickey);
+ freebits(c->signature);
free(c);
}
@@ -1702,12 +1815,22 @@
return oid_lookup(oid, alg_oid_tab);
}
+static int
+parse_curve(Elem* e)
+{
+ Elist* el;
+ Ints* oid;
+
+ if(!is_seq(e, &el) || elistlen(el)<2 || !is_oid(&el->tl->hd, &oid))
+ return -1;
+ return oid_lookup(oid, namedcurves_oid_tab);
+}
+
static CertX509*
-decode_cert(Bytes* a)
+decode_cert(uchar *buf, int len)
{
int ok = 0;
int n;
- CertX509* c = nil;
Elem ecert;
Elem* ecertinfo;
Elem* esigalg;
@@ -1725,8 +1848,9 @@
Bits* bits = nil;
Bytes* b;
Elem* e;
+ CertX509* c = nil;
- if(decode(a->data, a->len, &ecert) != ASN_OK)
+ if(decode(buf, len, &ecert) != ASN_OK)
goto errret;
c = (CertX509*)emalloc(sizeof(CertX509));
@@ -1776,7 +1900,7 @@
esubj = &el->hd;
el = el->tl;
epubkey = &el->hd;
- if(!is_int(eserial, &c->serial)) {
+ if(!is_int(eserial, &c->serial)) {
if(!is_bigint(eserial, &b))
goto errret;
c->serial = -1; /* else we have to change cert struct */
@@ -1804,7 +1928,7 @@
goto errret;
/* SubjectPublicKeyInfo */
- if(!is_seq(epubkey, &elpubkey))
+ if(!is_seq(epubkey, &elpubkey))
goto errret;
if(elistlen(elpubkey) != 2)
goto errret;
@@ -1812,18 +1936,25 @@
c->publickey_alg = parse_alg(&elpubkey->hd);
if(c->publickey_alg < 0)
goto errret;
- if(!is_bitstring(&elpubkey->tl->hd, &bits))
- goto errret;
- if(bits->unusedbits != 0)
+ c->curve = -1;
+ if(c->publickey_alg == ALG_ecPublicKey){
+ c->curve = parse_curve(&elpubkey->hd);
+ if(c->curve < 0)
+ goto errret;
+ }
+ elpubkey = elpubkey->tl;
+ if(!is_bitstring(&elpubkey->hd, &bits))
goto errret;
- c->publickey = makebytes(bits->data, bits->len);
+ elpubkey->hd.val.u.bitstringval = nil; /* transfer ownership */
+ c->publickey = bits;
/*resume Certificate */
if(c->signature_alg < 0)
goto errret;
- if(!is_bitstring(esig, &bits))
+ if(!is_bitstring(esig, &bits))
goto errret;
- c->signature = makebytes(bits->data, bits->len);
+ esig->val.u.bitstringval = nil; /* transfer ownership */
+ c->signature = bits;
ok = 1;
errret:
@@ -1836,45 +1967,38 @@
}
/*
- * RSAPublickKey :: SEQUENCE {
+ * RSAPublickKey ::= SEQUENCE {
* modulus INTEGER,
* publicExponent INTEGER
* }
*/
-static RSApub*
-decode_rsapubkey(Bytes* a)
+RSApub*
+asn1toRSApub(uchar *buf, int len)
{
Elem e;
- Elist *el, *l;
- mpint *mp;
+ Elist *el;
RSApub* key;
- l = nil;
- key = rsapuballoc();
- if(decode(a->data, a->len, &e) != ASN_OK)
+ key = nil;
+ if(decode(buf, len, &e) != ASN_OK)
goto errret;
if(!is_seq(&e, &el) || elistlen(el) != 2)
goto errret;
- l = el;
-
- key->n = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ key = rsapuballoc();
+ if((key->n = asn1mpint(&el->hd)) == nil)
goto errret;
-
el = el->tl;
- key->ek = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->ek = asn1mpint(&el->hd)) == nil)
goto errret;
- if(l != nil)
- freeelist(l);
+ freevalfields(&e.val);
return key;
errret:
- if(l != nil)
- freeelist(l);
+ freevalfields(&e.val);
rsapubfree(key);
return nil;
+
}
/*
@@ -1889,65 +2013,72 @@
* exponent2 INTEGER, -- d mod (q-1)
* coefficient INTEGER -- (inverse of q) mod p }
*/
-static RSApriv*
-decode_rsaprivkey(Bytes* a)
+RSApriv*
+asn1toRSApriv(uchar *buf, int len)
{
int version;
Elem e;
Elist *el;
- mpint *mp;
- RSApriv* key;
+ Bytes *b;
+ RSApriv* key = nil;
- key = rsaprivalloc();
- if(decode(a->data, a->len, &e) != ASN_OK)
+ if(decode(buf, len, &e) != ASN_OK)
goto errret;
- if(!is_seq(&e, &el) || elistlen(el) != 9)
+ if(!is_seq(&e, &el))
goto errret;
+
if(!is_int(&el->hd, &version) || version != 0)
goto errret;
+ if(elistlen(el) != 9){
+ if(elistlen(el) == 3
+ && parse_alg(&el->tl->hd) == ALG_rsaEncryption
+ && is_octetstring(&el->tl->tl->hd, &b)){
+ key = asn1toRSApriv(b->data, b->len);
+ if(key != nil)
+ goto done;
+ }
+ goto errret;
+ }
+
+ key = rsaprivalloc();
el = el->tl;
- key->pub.n = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->pub.n = asn1mpint(&el->hd)) == nil)
goto errret;
el = el->tl;
- key->pub.ek = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->pub.ek = asn1mpint(&el->hd)) == nil)
goto errret;
el = el->tl;
- key->dk = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->dk = asn1mpint(&el->hd)) == nil)
goto errret;
el = el->tl;
- key->q = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->q = asn1mpint(&el->hd)) == nil)
goto errret;
el = el->tl;
- key->p = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->p = asn1mpint(&el->hd)) == nil)
goto errret;
el = el->tl;
- key->kq = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->kq = asn1mpint(&el->hd)) == nil)
goto errret;
el = el->tl;
- key->kp = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->kp = asn1mpint(&el->hd)) == nil)
goto errret;
el = el->tl;
- key->c2 = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->c2 = asn1mpint(&el->hd)) == nil)
goto errret;
+done:
+ freevalfields(&e.val);
return key;
errret:
+ freevalfields(&e.val);
rsaprivfree(key);
return nil;
}
@@ -2014,56 +2145,6 @@
return nil;
}
-static mpint*
-asn1mpint(Elem *e)
-{
- Bytes *b;
- mpint *mp;
- int v;
-
- if(is_int(e, &v))
- return itomp(v, nil);
- if(is_bigint(e, &b)) {
- mp = betomp(b->data, b->len, nil);
- freebytes(b);
- return mp;
- }
- return nil;
-}
-
-static mpint*
-pkcs1pad(Bytes *b, mpint *modulus)
-{
- int n = (mpsignif(modulus)+7)/8;
- int pm1, i;
- uchar *p;
- mpint *mp;
-
- pm1 = n - 1 - b->len;
- p = (uchar*)emalloc(n);
- p[0] = 0;
- p[1] = 1;
- for(i = 2; i < pm1; i++)
- p[i] = 0xFF;
- p[pm1] = 0;
- memcpy(&p[pm1+1], b->data, b->len);
- mp = betomp(p, n, nil);
- free(p);
- return mp;
-}
-
-RSApriv*
-asn1toRSApriv(uchar *kd, int kn)
-{
- Bytes *b;
- RSApriv *key;
-
- b = makebytes(kd, kn);
- key = decode_rsaprivkey(b);
- freebytes(b);
- return key;
-}
-
DSApriv*
asn1toDSApriv(uchar *kd, int kn)
{
@@ -2081,219 +2162,244 @@
* Our ASN.1 library doesn't return pointers into the original
* data array, so we need to do a little hand decoding.
*/
-static void
-digest_certinfo(Bytes *cert, DigestFun digestfun, uchar *digest)
+static int
+digest_certinfo(uchar *cert, int ncert, DigestAlg *da, uchar *digest)
{
uchar *info, *p, *pend;
- ulong infolen;
int isconstr, length;
Tag tag;
Elem elem;
- p = cert->data;
- pend = cert->data + cert->len;
+ p = cert;
+ pend = cert + ncert;
if(tag_decode(&p, pend, &tag, &isconstr) != ASN_OK ||
tag.class != Universal || tag.num != SEQUENCE ||
length_decode(&p, pend, &length) != ASN_OK ||
p+length > pend ||
p+length < p)
- return;
+ return -1;
info = p;
if(ber_decode(&p, pend, &elem) != ASN_OK)
- return;
+ return -1;
freevalfields(&elem.val);
if(elem.tag.num != SEQUENCE)
- return;
- infolen = p - info;
- (*digestfun)(info, infolen, digest, nil);
+ return -1;
+ (*da->fun)(info, p - info, digest, nil);
+ return da->len;
}
-static char*
-verify_signature(Bytes* signature, RSApub *pk, uchar *edigest, Elem **psigalg)
+mpint*
+pkcs1padbuf(uchar *buf, int len, mpint *modulus, int blocktype)
{
- Elem e;
- Elist *el;
+ int i, n = (mpsignif(modulus)-1)/8;
+ int pad = n - 2 - len;
+ uchar *p;
+ mpint *mp;
+
+ if(pad < 8){
+ werrstr("rsa modulus too small");
+ return nil;
+ }
+ if((p = malloc(n)) == nil)
+ return nil;
+ p[0] = blocktype;
+ switch(blocktype){
+ default:
+ case 1:
+ memset(p+1, 0xFF, pad);
+ break;
+ case 2:
+ for(i=1; i <= pad; i++)
+ p[i] = 1 + nfastrand(255);
+ break;
+ }
+ p[1+pad] = 0;
+ memmove(p+2+pad, buf, len);
+ mp = betomp(p, n, nil);
+ free(p);
+ return mp;
+}
+
+int
+pkcs1unpadbuf(uchar *buf, int len, mpint *modulus, int blocktype)
+{
+ uchar *p = buf + 1, *e = buf + len;
+
+ if(len < 1 || len != (mpsignif(modulus)-1)/8 || buf[0] != blocktype)
+ return -1;
+ switch(blocktype){
+ default:
+ case 1:
+ while(p < e && *p == 0xFF)
+ p++;
+ break;
+ case 2:
+ while(p < e && *p != 0x00)
+ p++;
+ break;
+ }
+ if(p - buf <= 8 || p >= e || *p++ != 0x00)
+ return -1;
+ memmove(buf, p, len = e - p);
+ return len;
+}
+
+static char Ebadsig[] = "bad signature";
+
+char*
+X509rsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, RSApub *pk)
+{
+ mpint *x, *y;
+ DigestAlg **dp;
Bytes *digest;
- uchar *pkcs1buf, *buf;
- int buflen;
- mpint *pkcs1;
- int nlen;
+ uchar *buf;
+ int len;
char *err;
- err = nil;
- pkcs1buf = nil;
+ x = betomp(sig, siglen, nil);
+ y = rsaencrypt(pk, x, nil);
+ mpfree(x);
+ len = mptobe(y, nil, 0, &buf);
+ mpfree(y);
+
+ err = Ebadsig;
+ len = pkcs1unpadbuf(buf, len, pk->n, 1);
+ if(len == edigestlen && tsmemcmp(buf, edigest, edigestlen) == 0)
+ err = nil;
+ for(dp = digestalg; err != nil && *dp != nil; dp++){
+ if((*dp)->len != edigestlen)
+ continue;
+ digest = encode_digest(*dp, edigest);
+ if(digest->len == len && tsmemcmp(digest->data, buf, len) == 0)
+ err = nil;
+ freebytes(digest);
+ }
+ free(buf);
+ return err;
+}
- /* one less than the byte length of the modulus */
- nlen = (mpsignif(pk->n)-1)/8;
+char*
+X509ecdsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, ECdomain *dom, ECpub *pub)
+{
+ Elem e;
+ Elist *el;
+ mpint *r, *s;
+ char *err;
- /* see 9.2.1 of rfc2437 */
- pkcs1 = betomp(signature->data, signature->len, nil);
- mpexp(pkcs1, pk->ek, pk->n, pkcs1);
- buflen = mptobe(pkcs1, nil, 0, &pkcs1buf);
- buf = pkcs1buf;
- if(buflen != nlen || buf[0] != 1) {
- err = "expected 1";
+ r = s = nil;
+ err = Ebadsig;
+ if(decode(sig, siglen, &e) != ASN_OK)
goto end;
- }
- buf++;
- while(buf[0] == 0xff)
- buf++;
- if(buf[0] != 0) {
- err = "expected 0";
+ if(!is_seq(&e, &el) || elistlen(el) != 2)
goto end;
- }
- buf++;
- buflen -= buf-pkcs1buf;
- if(decode(buf, buflen, &e) != ASN_OK || !is_seq(&e, &el) || elistlen(el) != 2 ||
- !is_octetstring(&el->tl->hd, &digest)) {
- err = "signature parse error";
+ r = asn1mpint(&el->hd);
+ if(r == nil)
goto end;
- }
- *psigalg = &el->hd;
- if(memcmp(digest->data, edigest, digest->len) == 0)
+ el = el->tl;
+ s = asn1mpint(&el->hd);
+ if(s == nil)
goto end;
- err = "digests did not match";
-
+ if(ecdsaverify(dom, pub, edigest, edigestlen, r, s))
+ err = nil;
end:
- if(pkcs1 != nil)
- mpfree(pkcs1);
- if(pkcs1buf != nil)
- free(pkcs1buf);
+ freevalfields(&e.val);
+ mpfree(s);
+ mpfree(r);
return err;
}
-RSApub*
-X509toRSApub(uchar *cert, int ncert, char *name, int nname)
+static void
+copysubject(char *name, int nname, char *subject)
{
char *e;
- Bytes *b;
+
+ if(name == nil)
+ return;
+ memset(name, 0, nname);
+ if(subject == nil)
+ return;
+ strncpy(name, subject, nname-1);
+ e = strchr(name, ',');
+ if(e != nil)
+ *e = 0; /* take just CN part of Distinguished Name */
+}
+
+ECpub*
+X509toECpub(uchar *cert, int ncert, char *name, int nname, ECdomain *dom)
+{
CertX509 *c;
- RSApub *pk;
+ ECpub *pub;
- b = makebytes(cert, ncert);
- c = decode_cert(b);
- freebytes(b);
+ c = decode_cert(cert, ncert);
if(c == nil)
return nil;
- if(name != nil && c->subject != nil){
- e = strchr(c->subject, ',');
- if(e != nil)
- *e = 0; /* take just CN part of Distinguished Name */
- strncpy(name, c->subject, nname);
+ copysubject(name, nname, c->subject);
+ pub = nil;
+ if(c->publickey_alg == ALG_ecPublicKey){
+ ecdominit(dom, namedcurves[c->curve]);
+ pub = ecdecodepub(dom, c->publickey->data, c->publickey->len);
+ if(pub == nil)
+ ecdomfree(dom);
}
- pk = decode_rsapubkey(c->publickey);
freecert(c);
- return pk;
+ return pub;
}
-int
-getalgo(Elem *e)
+char*
+X509ecdsaverify(uchar *cert, int ncert, ECdomain *dom, ECpub *pk)
{
- Value *v;
- Elist *el;
- int a;
+ char *e;
+ CertX509 *c;
+ int digestlen;
+ uchar digest[MAXdlen];
- if((a = parse_alg(e)) >= 0)
- return a;
- v = &e->val;
- if(v->tag == VSeq){
- print("Seq\n");
- for(el = v->u.seqval; el!=nil; el = el->tl){
- if((a = getalgo(&el->hd)) >= 0)
- return a;
- }
+ c = decode_cert(cert, ncert);
+ if(c == nil)
+ return "cannot decode cert";
+ digestlen = digest_certinfo(cert, ncert, digestalg[c->signature_alg], digest);
+ if(digestlen <= 0){
+ freecert(c);
+ return "cannot decode certinfo";
}
- return -1;
+ e = X509ecdsaverifydigest(c->signature->data, c->signature->len, digest, digestlen, dom, pk);
+ freecert(c);
+ return e;
}
-static void edump(Elem e);
-
RSApub*
-asn1toRSApub(uchar *der, int nder)
+X509toRSApub(uchar *cert, int ncert, char *name, int nname)
{
- Elem e;
- Elist *el, *l;
- int n;
- Bits *b;
- RSApub *key;
- mpint *mp;
+ CertX509 *c;
+ RSApub *pub;
- if(decode(der, nder, &e) != ASN_OK){
- print("didn't parse\n");
- return nil;
- }
- if(!is_seq(&e, &el)){
- print("no seq");
- return nil;
- }
- if((n = elistlen(el)) != 2){
- print("bad length %d\n", n);
- return nil;
- }
- if((n = getalgo(&el->hd)) < 0){
- print("no algo\n");
- return nil;
- }
- if(n != 0){
- print("cant do algorithm %d\n", n);
- return nil;
- }
- if(!is_bitstring(&el->tl->hd, &b)){
- print("no bits\n");
- return nil;
- }
- if(decode(b->data, b->len, &e) != ASN_OK){
- print("no second decode\n");
- return nil;
- }
- if(!is_seq(&e, &el)){
- print("no second seq\n");
- return nil;
- }
- if(elistlen(el) != 2){
- print("no second length\n");
+ c = decode_cert(cert, ncert);
+ if(c == nil)
return nil;
- }
- key = rsapuballoc();
-
- l = el;
-
- key->n = mp = asn1mpint(&el->hd);
- if(mp == nil)
- goto errret;
-
- el = el->tl;
- key->ek = mp = asn1mpint(&el->hd);
- if(mp == nil)
- goto errret;
-
- if(l != nil)
- freeelist(l);
- return key;
-errret:
- if(l != nil)
- freeelist(l);
- rsapubfree(key);
- return nil;
+ copysubject(name, nname, c->subject);
+ pub = nil;
+ if(c->publickey_alg == ALG_rsaEncryption)
+ pub = asn1toRSApub(c->publickey->data, c->publickey->len);
+ freecert(c);
+ return pub;
}
char*
-X509verify(uchar *cert, int ncert, RSApub *pk)
+X509rsaverify(uchar *cert, int ncert, RSApub *pk)
{
char *e;
- Bytes *b;
CertX509 *c;
- uchar digest[SHA1dlen];
- Elem *sigalg;
+ int digestlen;
+ uchar digest[MAXdlen];
- b = makebytes(cert, ncert);
- c = decode_cert(b);
- if(c != nil)
- digest_certinfo(b, digestalg[c->signature_alg], digest);
- freebytes(b);
+ c = decode_cert(cert, ncert);
if(c == nil)
return "cannot decode cert";
- e = verify_signature(c->signature, pk, digest, &sigalg);
+ digestlen = digest_certinfo(cert, ncert, digestalg[c->signature_alg], digest);
+ if(digestlen <= 0){
+ freecert(c);
+ return "cannot decode certinfo";
+ }
+ e = X509rsaverifydigest(c->signature->data, c->signature->len, digest, digestlen, pk);
freecert(c);
return e;
}
@@ -2326,25 +2432,50 @@
mkbigint(mpint *p)
{
Elem e;
- uchar *buf;
- int buflen;
e.tag.class = Universal;
e.tag.num = INTEGER;
e.val.tag = VBigInt;
- buflen = mptobe(p, nil, 0, &buf);
- e.val.u.bigintval = makebytes(buf, buflen);
- free(buf);
+ e.val.u.bigintval = newbytes((mpsignif(p)+8)/8);
+ if(p->sign < 0){
+ mpint *s = mpnew(e.val.u.bigintval->len*8+1);
+ mpleft(mpone, e.val.u.bigintval->len*8, s);
+ mpadd(p, s, s);
+ mptober(s, e.val.u.bigintval->data, e.val.u.bigintval->len);
+ mpfree(s);
+ } else {
+ mptober(p, e.val.u.bigintval->data, e.val.u.bigintval->len);
+ }
return e;
}
+static int
+printable(char *s)
+{
+ int c;
+
+ while((c = (uchar)*s++) != 0){
+ if((c >= 'a' && c <= 'z')
+ || (c >= 'A' && c <= 'Z')
+ || (c >= '0' && c <= '9')
+ || strchr("'=()+,-./:? ", c) != nil)
+ continue;
+ return 0;
+ }
+ return 1;
+}
+
+#define DirectoryString 0
+
static Elem
-mkstring(char *s)
+mkstring(char *s, int t)
{
Elem e;
+ if(t == DirectoryString)
+ t = printable(s) ? PrintableString : UTF8String;
e.tag.class = Universal;
- e.tag.num = IA5String;
+ e.tag.num = t;
e.val.tag = VString;
e.val.u.stringval = estrdup(s);
return e;
@@ -2384,7 +2515,7 @@
e.tag.class = Universal;
e.tag.num = UTCTime;
e.val.tag = VString;
- snprint(utc, 50, "%.2d%.2d%.2d%.2d%.2d%.2dZ",
+ snprint(utc, sizeof(utc), "%.2d%.2d%.2d%.2d%.2d%.2dZ",
tm->year % 100, tm->mon+1, tm->mday, tm->hour, tm->min, tm->sec);
e.val.u.stringval = estrdup(utc);
return e;
@@ -2433,24 +2564,26 @@
}
typedef struct Ints7pref {
- int len;
- int data[7];
+ int len;
+ int data[7];
char prefix[4];
+ int stype;
} Ints7pref;
Ints7pref DN_oid[] = {
- {4, 2, 5, 4, 6, 0, 0, 0, "C="},
- {4, 2, 5, 4, 8, 0, 0, 0, "ST="},
- {4, 2, 5, 4, 7, 0, 0, 0, "L="},
- {4, 2, 5, 4, 10, 0, 0, 0, "O="},
- {4, 2, 5, 4, 11, 0, 0, 0, "OU="},
- {4, 2, 5, 4, 3, 0, 0, 0, "CN="},
- {7, 1,2,840,113549,1,9,1, "E="},
+ {4, 2, 5, 4, 6, 0, 0, 0, "C=", PrintableString},
+ {4, 2, 5, 4, 8, 0, 0, 0, "ST=",DirectoryString},
+ {4, 2, 5, 4, 7, 0, 0, 0, "L=", DirectoryString},
+ {4, 2, 5, 4, 10, 0, 0, 0, "O=", DirectoryString},
+ {4, 2, 5, 4, 11, 0, 0, 0, "OU=",DirectoryString},
+ {4, 2, 5, 4, 3, 0, 0, 0, "CN=",DirectoryString},
+ {7, 1,2,840,113549,1,9,1, "E=", IA5String},
+ {7, 0,9,2342,19200300,100,1,25, "DC=",IA5String},
};
static Elem
mkname(Ints7pref *oid, char *subj)
{
- return mkset(mkel(mkseq(mkel(mkoid((Ints*)oid), mkel(mkstring(subj), nil))), nil));
+ return mkset(mkel(mkseq(mkel(mkoid((Ints*)oid), mkel(mkstring(subj, oid->stype), nil))), nil));
}
static Elem
@@ -2474,167 +2607,388 @@
return mkseq(el);
}
-uchar*
-RSApubtoasn1(RSApub *pub, int *keylen)
+/*
+ * DigestInfo ::= SEQUENCE {
+ * digestAlgorithm AlgorithmIdentifier,
+ * digest OCTET STRING }
+ */
+static Bytes*
+encode_digest(DigestAlg *da, uchar *digest)
{
- Elem pubkey;
- Bytes *pkbytes;
- uchar *key;
+ Bytes *b = nil;
+ Elem e = mkseq(
+ mkel(mkalg(da->alg),
+ mkel(mkoctet(digest, da->len),
+ nil)));
+ encode(e, &b);
+ freevalfields(&e.val);
+ return b;
+}
- key = nil;
- pubkey = mkseq(mkel(mkbigint(pub->n),mkel(mkint(mptoi(pub->ek)),nil)));
- if(encode(pubkey, &pkbytes) != ASN_OK)
- goto errret;
- freevalfields(&pubkey.val);
- pubkey = mkseq(
- mkel(mkalg(ALG_rsaEncryption),
- mkel(mkbits(pkbytes->data, pkbytes->len),
+int
+asn1encodedigest(DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*), uchar *digest, uchar *buf, int len)
+{
+ Bytes *bytes;
+ DigestAlg **dp;
+
+ for(dp = digestalg; *dp != nil; dp++){
+ if((*dp)->fun != fun)
+ continue;
+ bytes = encode_digest(*dp, digest);
+ if(bytes == nil)
+ break;
+ if(bytes->len > len){
+ freebytes(bytes);
+ break;
+ }
+ len = bytes->len;
+ memmove(buf, bytes->data, len);
+ freebytes(bytes);
+ return len;
+ }
+ return -1;
+}
+
+static Elem
+mkcont(Elem e, int num)
+{
+ e = mkseq(mkel(e, nil));
+ e.tag.class = Context;
+ e.tag.num = num;
+ return e;
+}
+
+static Elem
+mkaltname(char *s)
+{
+ Elem e;
+ int i;
+
+ for(i=0; i<nelem(DN_oid); i++){
+ if(strstr(s, DN_oid[i].prefix) != nil)
+ return mkcont(mkDN(s), 4); /* DN */
+ }
+ e = mkstring(s, IA5String);
+ e.tag.class = Context;
+ e.tag.num = strchr(s, '@') != nil ? 1 : 2; /* email : DNS */
+ return e;
+}
+
+static Elist*
+mkaltnames(char *alts)
+{
+ Elist *el;
+ char *s, *p;
+
+ if(alts == nil)
+ return nil;
+
+ el = nil;
+ alts = estrdup(alts);
+ for(s = alts; s != nil; s = p){
+ while(*s == ' ')
+ s++;
+ if(*s == '\0')
+ break;
+ if((p = strchr(s, ',')) != nil)
+ *p++ = 0;
+ el = mkel(mkaltname(s), el);
+ }
+ free(alts);
+ return el;
+}
+
+static Elist*
+mkextel(Elem e, Ints *oid, Elist *el)
+{
+ Bytes *b = nil;
+
+ if(encode(e, &b) == ASN_OK){
+ el = mkel(mkseq(
+ mkel(mkoid(oid),
+ mkel(mkoctet(b->data, b->len),
+ nil))), el);
+ freebytes(b);
+ }
+ freevalfields(&e.val);
+ return el;
+}
+
+static Ints15 oid_subjectAltName = {4, 2, 5, 29, 17 };
+static Ints15 oid_extensionRequest = { 7, 1, 2, 840, 113549, 1, 9, 14};
+
+static Elist*
+mkextensions(char *alts, int req)
+{
+ Elist *sl, *xl;
+
+ xl = nil;
+ if((sl = mkaltnames(alts)) != nil)
+ xl = mkextel(mkseq(sl), (Ints*)&oid_subjectAltName, xl);
+ if(xl != nil){
+ if(req) return mkel(mkcont(mkseq(
+ mkel(mkoid((Ints*)&oid_extensionRequest),
+ mkel(mkset(mkel(mkseq(xl), nil)), nil))), 0), nil);
+ return mkel(mkcont(mkseq(xl), 3), nil);
+ }
+ return nil;
+}
+
+static char*
+splitalts(char *s)
+{
+ int q;
+
+ for(q = 0; *s != '\0'; s++){
+ if(*s == '\'')
+ q ^= 1;
+ else if(q == 0 && *s == ','){
+ *s++ = 0;
+ return s;
+ }
+ }
+ return nil;
+}
+
+static Bytes*
+encode_rsapubkey(RSApub *pk)
+{
+ Bytes *b = nil;
+ Elem e = mkseq(
+ mkel(mkbigint(pk->n),
+ mkel(mpsignif(pk->ek)<32 ? mkint(mptoi(pk->ek)) : mkbigint(pk->ek),
nil)));
- freebytes(pkbytes);
- if(encode(pubkey, &pkbytes) != ASN_OK)
- goto errret;
- if(keylen)
- *keylen = pkbytes->len;
- key = malloc(pkbytes->len);
- memmove(key, pkbytes->data, pkbytes->len);
- free(pkbytes);
-errret:
- freevalfields(&pubkey.val);
- return key;
+ encode(e, &b);
+ freevalfields(&e.val);
+ return b;
+}
+
+static Bytes*
+encode_rsaprivkey(RSApriv *k)
+{
+ Bytes *b = nil;
+ RSApub *pk = &k->pub;
+ Elem e = mkseq(
+ mkel(mkint(0),
+ mkel(mkbigint(pk->n),
+ mkel(mpsignif(pk->ek)<32 ? mkint(mptoi(pk->ek)) : mkbigint(pk->ek),
+ mkel(mkbigint(k->dk),
+ mkel(mkbigint(k->p),
+ mkel(mkbigint(k->q),
+ mkel(mkbigint(k->kp),
+ mkel(mkbigint(k->kq),
+ mkel(mkbigint(k->c2),
+ nil))))))))));
+ encode(e, &b);
+ freevalfields(&e.val);
+ return b;
+}
+
+int
+asn1encodeRSApub(RSApub *pk, uchar *buf, int len)
+{
+ Bytes *b = encode_rsapubkey(pk);
+ if(b == nil)
+ return -1;
+ if(b->len > len){
+ freebytes(b);
+ werrstr("buffer too small");
+ return -1;
+ }
+ memmove(buf, b->data, len = b->len);
+ freebytes(b);
+ return len;
+}
+
+int
+asn1encodeRSApriv(RSApriv *k, uchar *buf, int len)
+{
+ Bytes *b;
+ b = encode_rsaprivkey(k);
+ if(b == nil)
+ return -1;
+ if(b->len > len){
+ freebytes(b);
+ werrstr("buffer too small");
+ return -1;
+ }
+ memmove(buf, b->data, len = b->len);
+ freebytes(b);
+ return len;
}
uchar*
-X509gen(RSApriv *priv, char *subj, ulong valid[2], int *certlen)
+X509rsagen(RSApriv *priv, char *subj, ulong valid[2], int *certlen)
{
- int serial = 0;
+ int serial = 0, sigalg = ALG_sha256WithRSAEncryption;
uchar *cert = nil;
- RSApub *pk = rsaprivtopub(priv);
Bytes *certbytes, *pkbytes, *certinfobytes, *sigbytes;
- Elem e, certinfo, issuer, subject, pubkey, validity, sig;
- uchar digest[MD5dlen], *buf;
+ Elem e, certinfo;
+ DigestAlg *da;
+ uchar digest[MAXdlen], *buf;
int buflen;
mpint *pkcs1;
+ char *alts;
- e.val.tag = VInt; /* so freevalfields at errret is no-op */
- issuer = mkDN(subj);
- subject = mkDN(subj);
- pubkey = mkseq(mkel(mkbigint(pk->n),mkel(mkint(mptoi(pk->ek)),nil)));
- if(encode(pubkey, &pkbytes) != ASN_OK)
- goto errret;
- freevalfields(&pubkey.val);
- pubkey = mkseq(
- mkel(mkalg(ALG_rsaEncryption),
- mkel(mkbits(pkbytes->data, pkbytes->len),
- nil)));
- freebytes(pkbytes);
- validity = mkseq(
- mkel(mkutc(valid[0]),
- mkel(mkutc(valid[1]),
- nil)));
- certinfo = mkseq(
+ if((pkbytes = encode_rsapubkey(&priv->pub)) == nil)
+ return nil;
+
+ subj = estrdup(subj);
+ alts = splitalts(subj);
+
+ e = mkseq(
+ mkel(mkcont(mkint(2), 0),
mkel(mkint(serial),
- mkel(mkalg(ALG_md5WithRSAEncryption),
- mkel(issuer,
- mkel(validity,
- mkel(subject,
- mkel(pubkey,
- nil)))))));
- if(encode(certinfo, &certinfobytes) != ASN_OK)
+ mkel(mkalg(sigalg),
+ mkel(mkDN(subj),
+ mkel(mkseq(
+ mkel(mkutc(valid[0]),
+ mkel(mkutc(valid[1]),
+ nil))),
+ mkel(mkDN(subj),
+ mkel(mkseq(
+ mkel(mkalg(ALG_rsaEncryption),
+ mkel(mkbits(pkbytes->data, pkbytes->len),
+ nil))),
+ mkextensions(alts, 0)))))))));
+ freebytes(pkbytes);
+ if(encode(e, &certinfobytes) != ASN_OK)
goto errret;
- md5(certinfobytes->data, certinfobytes->len, digest, 0);
+
+ da = digestalg[sigalg];
+ (*da->fun)(certinfobytes->data, certinfobytes->len, digest, 0);
freebytes(certinfobytes);
- sig = mkseq(
- mkel(mkalg(ALG_md5),
- mkel(mkoctet(digest, MD5dlen),
- nil)));
- if(encode(sig, &sigbytes) != ASN_OK)
+ certinfo = e;
+
+ sigbytes = encode_digest(da, digest);
+ if(sigbytes == nil)
goto errret;
- pkcs1 = pkcs1pad(sigbytes, pk->n);
+ pkcs1 = pkcs1padbuf(sigbytes->data, sigbytes->len, priv->pub.n, 1);
freebytes(sigbytes);
+ if(pkcs1 == nil)
+ goto errret;
+
rsadecrypt(priv, pkcs1, pkcs1);
buflen = mptobe(pkcs1, nil, 0, &buf);
mpfree(pkcs1);
e = mkseq(
mkel(certinfo,
- mkel(mkalg(ALG_md5WithRSAEncryption),
+ mkel(mkalg(sigalg),
mkel(mkbits(buf, buflen),
nil))));
free(buf);
if(encode(e, &certbytes) != ASN_OK)
goto errret;
- if(certlen)
+ if(certlen != nil)
*certlen = certbytes->len;
- cert = certbytes->data;
+ cert = (uchar*)certbytes;
+ memmove(cert, certbytes->data, certbytes->len);
errret:
freevalfields(&e.val);
+ free(subj);
return cert;
}
uchar*
-X509req(RSApriv *priv, char *subj, int *certlen)
+X509rsareq(RSApriv *priv, char *subj, int *certlen)
{
/* RFC 2314, PKCS #10 Certification Request Syntax */
- int version = 0;
+ int version = 0, sigalg = ALG_sha256WithRSAEncryption;
uchar *cert = nil;
- RSApub *pk = rsaprivtopub(priv);
Bytes *certbytes, *pkbytes, *certinfobytes, *sigbytes;
- Elem e, certinfo, subject, pubkey, sig;
- uchar digest[MD5dlen], *buf;
+ Elem e, certinfo;
+ DigestAlg *da;
+ uchar digest[MAXdlen], *buf;
int buflen;
mpint *pkcs1;
+ char *alts;
- e.val.tag = VInt; /* so freevalfields at errret is no-op */
- subject = mkDN(subj);
- pubkey = mkseq(mkel(mkbigint(pk->n),mkel(mkint(mptoi(pk->ek)),nil)));
- if(encode(pubkey, &pkbytes) != ASN_OK)
- goto errret;
- freevalfields(&pubkey.val);
- pubkey = mkseq(
- mkel(mkalg(ALG_rsaEncryption),
- mkel(mkbits(pkbytes->data, pkbytes->len),
- nil)));
- freebytes(pkbytes);
- certinfo = mkseq(
+ if((pkbytes = encode_rsapubkey(&priv->pub)) == nil)
+ return nil;
+
+ subj = estrdup(subj);
+ alts = splitalts(subj);
+
+ e = mkseq(
mkel(mkint(version),
- mkel(subject,
- mkel(pubkey,
- nil))));
- if(encode(certinfo, &certinfobytes) != ASN_OK)
+ mkel(mkDN(subj),
+ mkel(mkseq(
+ mkel(mkalg(ALG_rsaEncryption),
+ mkel(mkbits(pkbytes->data, pkbytes->len),
+ nil))),
+ mkextensions(alts, 1)))));
+ freebytes(pkbytes);
+ if(encode(e, &certinfobytes) != ASN_OK)
goto errret;
- md5(certinfobytes->data, certinfobytes->len, digest, 0);
+ da = digestalg[sigalg];
+ (*da->fun)(certinfobytes->data, certinfobytes->len, digest, 0);
freebytes(certinfobytes);
- sig = mkseq(
- mkel(mkalg(ALG_md5),
- mkel(mkoctet(digest, MD5dlen),
- nil)));
- if(encode(sig, &sigbytes) != ASN_OK)
+ certinfo = e;
+
+ sigbytes = encode_digest(da, digest);
+ if(sigbytes == nil)
goto errret;
- pkcs1 = pkcs1pad(sigbytes, pk->n);
+ pkcs1 = pkcs1padbuf(sigbytes->data, sigbytes->len, priv->pub.n, 1);
freebytes(sigbytes);
+ if(pkcs1 == nil)
+ goto errret;
+
rsadecrypt(priv, pkcs1, pkcs1);
buflen = mptobe(pkcs1, nil, 0, &buf);
mpfree(pkcs1);
e = mkseq(
mkel(certinfo,
- mkel(mkalg(ALG_md5),
+ mkel(mkalg(sigalg),
mkel(mkbits(buf, buflen),
nil))));
free(buf);
if(encode(e, &certbytes) != ASN_OK)
goto errret;
- if(certlen)
+ if(certlen != nil)
*certlen = certbytes->len;
- cert = certbytes->data;
+ cert = (uchar*)certbytes;
+ memmove(cert, certbytes->data, certbytes->len);
errret:
freevalfields(&e.val);
+ free(subj);
return cert;
}
+static void
+digestSPKI(int alg, uchar *pubkey, int npubkey, DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*), uchar *digest)
+{
+ Bytes *b = nil;
+ Elem e = mkseq(mkel(mkalg(alg), mkel(mkbits(pubkey, npubkey), nil)));
+ encode(e, &b);
+ freevalfields(&e.val);
+ (*fun)(b->data, b->len, digest, nil);
+ freebytes(b);
+}
+
+int
+X509digestSPKI(uchar *cert, int ncert, DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*), uchar *digest)
+{
+ CertX509 *c;
+
+ c = decode_cert(cert, ncert);
+ if(c == nil){
+ werrstr("cannot decode cert");
+ return -1;
+ }
+ digestSPKI(c->publickey_alg, c->publickey->data, c->publickey->len, fun, digest);
+ freecert(c);
+ return 0;
+}
+
static char*
tagdump(Tag tag)
{
- if(tag.class != Universal)
- return smprint("class%d,num%d", tag.class, tag.num);
+ static char buf[32];
+
+ if(tag.class != Universal){
+ snprint(buf, sizeof(buf), "class%d,num%d", tag.class, tag.num);
+ return buf;
+ }
switch(tag.num){
case BOOLEAN: return "BOOLEAN";
case INTEGER: return "INTEGER";
@@ -2663,7 +3017,8 @@
case UniversalString: return "UniversalString";
case BMPString: return "BMPString";
default:
- return smprint("Universal,num%d", tag.num);
+ snprint(buf, sizeof(buf), "Universal,num%d", tag.num);
+ return buf;
}
}
@@ -2683,10 +3038,7 @@
case VBigInt: print("BigInt[%d] %.2x%.2x...",v.u.bigintval->len,v.u.bigintval->data[0],v.u.bigintval->data[1]); break;
case VReal: print("Real..."); break;
case VOther: print("Other..."); break;
- case VBitString: print("BitString");
- for(i = 0; i<v.u.bitstringval->len; i++)
- print(" %02x", v.u.bitstringval->data[i]);
- break;
+ case VBitString: print("BitString[%d]...", v.u.bitstringval->len*8 - v.u.bitstringval->unusedbits); break;
case VNull: print("Null"); break;
case VEOC: print("EOC..."); break;
case VObjId: print("ObjId");
@@ -2722,20 +3074,24 @@
X509dump(uchar *cert, int ncert)
{
char *e;
- Bytes *b;
CertX509 *c;
- RSApub *pk;
- uchar digest[SHA1dlen];
- Elem *sigalg;
+ RSApub *rsapub;
+ ECpub *ecpub;
+ ECdomain ecdom;
+ int digestlen;
+ uchar digest[MAXdlen];
print("begin X509dump\n");
- b = makebytes(cert, ncert);
- c = decode_cert(b);
- if(c != nil)
- digest_certinfo(b, digestalg[c->signature_alg], digest);
- freebytes(b);
+ c = decode_cert(cert, ncert);
if(c == nil){
- print("cannot decode cert");
+ print("cannot decode cert\n");
+ return;
+ }
+
+ digestlen = digest_certinfo(cert, ncert, digestalg[c->signature_alg], digest);
+ if(digestlen <= 0){
+ freecert(c);
+ print("cannot decode certinfo\n");
return;
}
@@ -2743,20 +3099,47 @@
print("issuer %s\n", c->issuer);
print("validity %s %s\n", c->validity_start, c->validity_end);
print("subject %s\n", c->subject);
- pk = decode_rsapubkey(c->publickey);
- print("pubkey e=%B n(%d)=%B\n", pk->ek, mpsignif(pk->n), pk->n);
-
- print("sigalg=%d digest=%.*H\n", c->signature_alg, MD5dlen, digest);
- e = verify_signature(c->signature, pk, digest, &sigalg);
- if(e==nil){
- e = "nil (meaning ok)";
- print("sigalg=\n");
- if(sigalg)
- edump(*sigalg);
+ print("sigalg=%d digest=%.*H\n", c->signature_alg, digestlen, digest);
+ print("publickey_alg=%d pubkey[%d] %.*H\n", c->publickey_alg, c->publickey->len,
+ c->publickey->len, c->publickey->data);
+
+ switch(c->publickey_alg){
+ case ALG_rsaEncryption:
+ rsapub = asn1toRSApub(c->publickey->data, c->publickey->len);
+ if(rsapub != nil){
+ print("rsa pubkey e=%B n(%d)=%B\n", rsapub->ek, mpsignif(rsapub->n), rsapub->n);
+ e = X509rsaverifydigest(c->signature->data, c->signature->len,
+ digest, digestlen, rsapub);
+ if(e==nil)
+ e = "nil (meaning ok)";
+ print("self-signed X509rsaverifydigest returns: %s\n", e);
+ rsapubfree(rsapub);
+ }
+ break;
+ case ALG_ecPublicKey:
+ ecdominit(&ecdom, namedcurves[c->curve]);
+ ecpub = ecdecodepub(&ecdom, c->publickey->data, c->publickey->len);
+ if(ecpub != nil){
+ e = X509ecdsaverifydigest(c->signature->data, c->signature->len,
+ digest, digestlen, &ecdom, ecpub);
+ if(e==nil)
+ e = "nil (meaning ok)";
+ print("self-signed X509ecdsaverifydigest returns: %s\n", e);
+ ecpubfree(ecpub);
+ }
+ ecdomfree(&ecdom);
+ break;
}
- print("self-signed verify_signature returns: %s\n", e);
- rsapubfree(pk);
+ digestSPKI(c->publickey_alg, c->publickey->data, c->publickey->len, sha2_256, digest);
+ print("publickey_thumbprint sha256=%.*[\n", SHA2_256dlen, digest);
+
+ sha2_256(cert, ncert, digest, nil);
+ print("cert_thumbprint sha256=%.*[\n", SHA2_256dlen, digest);
+
+ sha1(cert, ncert, digest, nil);
+ print("cert_thumbprint sha1=%.*H\n", SHA1dlen, digest);
+
freecert(c);
print("end X509dump\n");
}
--- sys/src/cmd/auth/rsa2csr.c Tue Mar 25 18:56:03 2003
+++ /sys/src/cmd/auth/rsa2csr.c Sat Jun 26 21:21:40 2021
@@ -34,7 +34,7 @@
if((key = getkey(argc-1, argv+1, 1, nil)) == nil)
sysfatal("%r");
- cert = X509req(key, argv[0], &len);
+ cert = X509rsareq(key, argv[0], &len);
if(cert == nil)
sysfatal("X509req: %r");
--- sys/src/cmd/auth/rsa2x509.c Wed Jun 18 17:43:00 2008
+++ /sys/src/cmd/auth/rsa2x509.c Sat Jun 26 21:21:40 2021
@@ -41,7 +41,7 @@
if((key = getkey(argc-1, argv+1, 1, nil)) == nil)
sysfatal("%r");
- cert = X509gen(key, argv[0], valid, &len);
+ cert = X509rsagen(key, argv[0], valid, &len);
if(cert == nil)
sysfatal("X509gen: %r");
--- sys/src/cmd/tlsclient.c Tue Jun 18 05:39:09 2002
+++ /sys/src/cmd/tlsclient.c Sat Jun 26 21:21:40 2021
@@ -2,11 +2,16 @@
#include <libc.h>
#include <mp.h>
#include <libsec.h>
+#include <auth.h>
+
+int debug, auth, dialfile;
+char *keyspec = "";
+char *servername, *file, *filex, *ccert, *dumpcert;
void
usage(void)
{
- fprint(2, "usage: tlsclient [-t /sys/lib/tls/xxx] [-x /sys/lib/tls/xxx.exclude] dialstring\n");
+ fprint(2, "usage: tlsclient [-D] [-a [-k keyspec] ] [-c clientcert.pem] [-d servercert] [-t /sys/lib/tls/xxx] [-x /sys/lib/tls/xxx.exclude] [-n servername] [-o] dialstring [cmd [args...]]\n");
exits("usage");
}
@@ -21,65 +26,140 @@
break;
}
+static int
+reporter(char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ fprint(2, "%s: tls reports ", argv0);
+ vfprint(2, fmt, ap);
+ fprint(2, "\n");
+
+ va_end(ap);
+ return 0;
+}
+
void
main(int argc, char **argv)
{
- int fd, netfd;
- uchar digest[20];
- TLSconn conn;
- char *addr, *file, *filex;
+ int fd, dfd;
+ char *addr;
+ TLSconn *conn;
Thumbprint *thumb;
+ AuthInfo *ai = nil;
+
+ fmtinstall('[', encodefmt);
+ fmtinstall('H', encodefmt);
- file = nil;
- filex = nil;
- thumb = nil;
ARGBEGIN{
+ case 'D':
+ debug++;
+ break;
+ case 'a':
+ auth++;
+ break;
+ case 'k':
+ keyspec = EARGF(usage());
+ break;
case 't':
file = EARGF(usage());
break;
case 'x':
filex = EARGF(usage());
break;
+ case 'c':
+ ccert = EARGF(usage());
+ break;
+ case 'd':
+ dumpcert = EARGF(usage());
+ break;
+ case 'n':
+ servername = EARGF(usage());
+ break;
+ case 'o':
+ dialfile = 1;
+ break;
default:
usage();
}ARGEND
- if(argc != 1)
+ if(argc < 1)
usage();
if(filex && !file)
sysfatal("specifying -x without -t is useless");
+
if(file){
- thumb = initThumbprints(file, filex);
+ thumb = initThumbprints(file, filex, "x509");
if(thumb == nil)
sysfatal("initThumbprints: %r");
- }
+ } else
+ thumb = nil;
- addr = argv[0];
- if((netfd = dial(addr, 0, 0, 0)) < 0)
+ addr = *argv++;
+ if((fd = dialfile? open(addr, ORDWR): dial(addr, 0, 0, 0)) < 0)
sysfatal("dial %s: %r", addr);
- memset(&conn, 0, sizeof conn);
- fd = tlsClient(netfd, &conn);
+ conn = (TLSconn*)mallocz(sizeof *conn, 1);
+ conn->serverName = servername;
+ if(ccert){
+ conn->cert = readcert(ccert, &conn->certlen);
+ if(conn->cert == nil)
+ sysfatal("readcert: %r");
+ }
+
+ if(auth){
+ ai = auth_proxy(fd, auth_getkey, "proto=p9any role=client %s", keyspec);
+ if(ai == nil)
+ sysfatal("auth_proxy: %r");
+
+ conn->pskID = "p9secret";
+ conn->psk = ai->secret;
+ conn->psklen = ai->nsecret;
+ }
+
+ if(debug)
+ conn->trace = reporter;
+
+ fd = tlsClient(fd, conn);
if(fd < 0)
sysfatal("tlsclient: %r");
+
+ if(dumpcert){
+ if((dfd = create(dumpcert, OWRITE, 0666)) < 0)
+ sysfatal("create: %r");
+ if(conn->cert != nil)
+ write(dfd, conn->cert, conn->certlen);
+ write(dfd, "", 0);
+ close(dfd);
+ }
+
if(thumb){
- if(conn.cert==nil || conn.certlen<=0)
- sysfatal("server did not provide TLS certificate");
- sha1(conn.cert, conn.certlen, digest, nil);
- if(!okThumbprint(digest, thumb)){
- fmtinstall('H', encodefmt);
- sysfatal("server certificate %.*H not recognized", SHA1dlen, digest);
- }
+ if(!okCertificate(conn->cert, conn->certlen, thumb))
+ sysfatal("cert for %s not recognized: %r", servername ? servername : addr);
+ freeThumbprints(thumb);
+ }
+
+ free(conn->cert);
+ free(conn->sessionID);
+ free(conn);
+ if(ai != nil)
+ auth_freeAI(ai);
+
+ if(*argv){
+ dup(fd, 0);
+ dup(fd, 1);
+ if(fd > 1)
+ close(fd);
+ exec(*argv, argv);
+ sysfatal("exec: %r");
}
- free(conn.cert);
- close(netfd);
rfork(RFNOTEG);
switch(fork()){
case -1:
- fprint(2, "%s: fork: %r\n", argv0);
- exits("dial");
+ sysfatal("fork: %r");
case 0:
xfer(0, fd);
break;
--- sys/src/cmd/upas/fs/imap4.c Thu Mar 29 00:14:53 2012
+++ /sys/src/cmd/upas/fs/imap4.c Sat Jun 26 21:21:40 2021
@@ -416,7 +416,7 @@
* don't do this any more. our local it people are rotating their
* certificates faster than we can keep up.
*/
- if(0 && (!imap->thumb || !okThumbprint(digest, imap->thumb))){
+ if(0 && (!imap->thumb || !okThumbprint(digest, SHA1dlen, imap->thumb))){
close(sfd);
werrstr("server certificate %.*H not recognized",
SHA1dlen, digest);
@@ -740,7 +740,7 @@
if(argc==1 && strcmp(argv[0], "thumbprint")==0){
if(imap->thumb)
freeThumbprints(imap->thumb);
- imap->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude");
+ imap->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude", "x509");
}
if(strcmp(argv[0], "refresh")==0){
if(argc==1){
@@ -816,7 +816,7 @@
imap->mbox = "Inbox";
else
imap->mbox = f[4];
- imap->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude");
+ imap->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude", "x509");
mb->aux = imap;
mb->sync = imap4sync;
--- sys/src/cmd/upas/fs/pop3.c Thu Mar 29 00:14:53 2012
+++ /sys/src/cmd/upas/fs/pop3.c Sat Jun 26 21:21:40 2021
@@ -134,7 +134,7 @@
* don't do this any more. our local it people are rotating their
* certificates faster than we can keep up.
*/
- if(0 && (!pop->thumb || !okThumbprint(digest, pop->thumb))){
+ if(0 && (!pop->thumb || !okThumbprint(digest, SHA1dlen, pop->thumb))){
fmtinstall('H', encodefmt);
close(fd);
free(conn.cert);
@@ -603,7 +603,7 @@
if(argc==1 && strcmp(argv[0], "thumbprint")==0){
if(pop->thumb)
freeThumbprints(pop->thumb);
- pop->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude");
+ pop->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude", "x509");
}
if(strcmp(argv[0], "refresh")==0){
if(argc==1){
@@ -678,7 +678,7 @@
pop->needtls = poptls || apoptls;
pop->refreshtime = 60;
pop->notls = popnotls || apopnotls;
- pop->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude");
+ pop->thumb = initThumbprints("/sys/lib/tls/mail", "/sys/lib/tls/mail.exclude", "x509");
mb->aux = pop;
mb->sync = pop3sync;
--- sys/src/cmd/upas/smtp/smtp.c Fri Nov 8 23:54:09 2013
+++ /sys/src/cmd/upas/smtp/smtp.c Sat Jun 26 21:21:40 2021
@@ -327,7 +327,7 @@
uchar hash[SHA1dlen];
err = nil;
- goodcerts = initThumbprints(smtpthumbs, smtpexclthumbs);
+ goodcerts = initThumbprints(smtpthumbs, smtpexclthumbs, "x509");
if (goodcerts == nil) {
if (!okunksecure)
syslog(0, "smtp", "bad thumbprints in %s", smtpthumbs);
@@ -336,7 +336,7 @@
/* compute sha1 hash of remote's certificate, see if we know it */
sha1(c->cert, c->certlen, hash, nil);
- if (!okThumbprint(hash, goodcerts) && !okunksecure) {
+ if (!okThumbprint(hash, SHA1dlen, goodcerts) && !okunksecure) {
h = malloc(2*sizeof hash + 1);
if (h != nil) {
enc16(h, 2*sizeof hash + 1, hash, sizeof hash);
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libmp/port/cnfield.c Sat Jun 26 21:21:40 2021
@@ -0,0 +1,114 @@
+#include "os.h"
+#include <mp.h>
+#include "dat.h"
+
+/*
+ * fast reduction for crandall numbers of the form: 2^n - c
+ */
+
+enum {
+ MAXDIG = 1024 / Dbits,
+};
+
+typedef struct CNfield CNfield;
+struct CNfield
+{
+ Mfield;
+
+ mpint m[1];
+
+ int s;
+ mpdigit c;
+};
+
+static int
+cnreduce(Mfield *m, mpint *a, mpint *r)
+{
+ mpdigit q[MAXDIG-1], t[MAXDIG], d;
+ CNfield *f = (CNfield*)m;
+ int qn, tn, k;
+
+ k = f->top;
+ if((a->top - k) >= MAXDIG)
+ return -1;
+
+ mpleft(a, f->s, r);
+ if(r->top <= k)
+ mpbits(r, (k+1)*Dbits);
+
+ /* q = hi(r) */
+ qn = r->top - k;
+ memmove(q, r->p+k, qn*Dbytes);
+
+ /* r = lo(r) */
+ r->top = k;
+ r->sign = 1;
+
+ do {
+ /* t = q*c */
+ tn = qn+1;
+ memset(t, 0, tn*Dbytes);
+ mpvecdigmuladd(q, qn, f->c, t);
+
+ /* q = hi(t) */
+ qn = tn - k;
+ if(qn <= 0) qn = 0;
+ else memmove(q, t+k, qn*Dbytes);
+
+ /* r += lo(t) */
+ if(tn > k)
+ tn = k;
+ mpvecadd(r->p, k, t, tn, r->p);
+
+ /* if(r >= m) r -= m */
+ mpvecsub(r->p, k+1, f->m->p, k, t);
+ d = t[k];
+ for(tn = 0; tn < k; tn++)
+ r->p[tn] = (r->p[tn] & d) | (t[tn] & ~d);
+ } while(qn > 0);
+
+ if(f->s != 0)
+ mpright(r, f->s, r);
+ mpnorm(r);
+
+ return 0;
+}
+
+Mfield*
+cnfield(mpint *N)
+{
+ mpint *M, *C;
+ CNfield *f;
+ mpdigit d;
+ int s;
+
+ if(N->top <= 2 || N->top >= MAXDIG)
+ return nil;
+ f = nil;
+ d = N->p[N->top-1];
+ for(s = 0; (d & (mpdigit)1<<Dbits-1) == 0; s++)
+ d <<= 1;
+ C = mpnew(0);
+ M = mpcopy(N);
+ mpleft(N, s, M);
+ mpleft(mpone, M->top*Dbits, C);
+ mpsub(C, M, C);
+ if(C->top != 1)
+ goto out;
+ f = mallocz(sizeof(CNfield) + M->top*sizeof(mpdigit), 1);
+ if(f == nil)
+ goto out;
+ f->s = s;
+ f->c = C->p[0];
+ f->m->size = M->top;
+ f->m->p = (mpdigit*)&f[1];
+ mpassign(M, f->m);
+ mpassign(N, f);
+ f->reduce = cnreduce;
+ f->flags |= MPfield;
+out:
+ mpfree(M);
+ mpfree(C);
+
+ return f;
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libmp/port/gmfield.c Sat Jun 26 21:21:40 2021
@@ -0,0 +1,173 @@
+#include "os.h"
+#include <mp.h>
+#include "dat.h"
+
+/*
+ * fast reduction for generalized mersenne numbers (GM)
+ * using a series of additions and subtractions.
+ */
+
+enum {
+ MAXDIG = 1024/Dbits,
+};
+
+typedef struct GMfield GMfield;
+struct GMfield
+{
+ Mfield;
+
+ mpint m2[1];
+
+ int nadd;
+ int nsub;
+ int indx[256];
+};
+
+static int
+gmreduce(Mfield *m, mpint *a, mpint *r)
+{
+ GMfield *g = (GMfield*)m;
+ mpdigit d0, t[MAXDIG];
+ int i, j, d, *x;
+
+ if(mpmagcmp(a, g->m2) >= 0)
+ return -1;
+
+ if(a != r)
+ mpassign(a, r);
+
+ d = g->top;
+ mpbits(r, (d+1)*Dbits*2);
+ memmove(t+d, r->p+d, d*Dbytes);
+
+ r->sign = 1;
+ r->top = d;
+ r->p[d] = 0;
+
+ if(g->nsub > 0)
+ mpvecdigmuladd(g->p, d, g->nsub, r->p);
+
+ x = g->indx;
+ for(i=0; i<g->nadd; i++){
+ t[0] = 0;
+ d0 = t[*x++];
+ for(j=1; j<d; j++)
+ t[j] = t[*x++];
+ t[0] = d0;
+
+ mpvecadd(r->p, d+1, t, d, r->p);
+ }
+
+ for(i=0; i<g->nsub; i++){
+ t[0] = 0;
+ d0 = t[*x++];
+ for(j=1; j<d; j++)
+ t[j] = t[*x++];
+ t[0] = d0;
+
+ mpvecsub(r->p, d+1, t, d, r->p);
+ }
+
+ mpvecdigmulsub(g->p, d, r->p[d], r->p);
+ r->p[d] = 0;
+
+ mpvecsub(r->p, d+1, g->p, d, r->p+d+1);
+ d0 = r->p[2*d+1];
+ for(j=0; j<d; j++)
+ r->p[j] = (r->p[j] & d0) | (r->p[j+d+1] & ~d0);
+
+ mpnorm(r);
+
+ return 0;
+}
+
+Mfield*
+gmfield(mpint *N)
+{
+ int i,j,d, s, *C, *X, *x, *e;
+ mpint *M, *T;
+ GMfield *g;
+
+ d = N->top;
+ if(d <= 2 || d > MAXDIG/2 || (mpsignif(N) % Dbits) != 0)
+ return nil;
+ g = nil;
+ T = mpnew(0);
+ M = mpcopy(N);
+ C = malloc(sizeof(int)*(d+1));
+ X = malloc(sizeof(int)*(d*d));
+ if(C == nil || X == nil)
+ goto out;
+
+ for(i=0; i<=d; i++){
+ if((M->p[i]>>8) != 0 && (~M->p[i]>>8) != 0)
+ goto out;
+ j = M->p[i];
+ C[d - i] = -j;
+ itomp(j, T);
+ mpleft(T, i*Dbits, T);
+ mpsub(M, T, M);
+ }
+ for(j=0; j<d; j++)
+ X[j] = C[d-j];
+ for(i=1; i<d; i++){
+ X[d*i] = X[d*(i-1) + d-1]*C[d];
+ for(j=1; j<d; j++)
+ X[d*i + j] = X[d*(i-1) + j-1] + X[d*(i-1) + d-1]*C[d-j];
+ }
+ g = mallocz(sizeof(GMfield) + (d+1)*sizeof(mpdigit)*2, 1);
+ if(g == nil)
+ goto out;
+
+ g->m2->p = (mpdigit*)&g[1];
+ g->m2->size = d*2+1;
+ mpmul(N, N, g->m2);
+ mpassign(N, g);
+ g->reduce = gmreduce;
+ g->flags |= MPfield;
+
+ s = 0;
+ x = g->indx;
+ e = x + nelem(g->indx) - d;
+ for(g->nadd=0; x <= e; x += d, g->nadd++){
+ s = 0;
+ for(i=0; i<d; i++){
+ for(j=0; j<d; j++){
+ if(X[d*i+j] > 0 && x[j] == 0){
+ X[d*i+j]--;
+ x[j] = d+i;
+ s = 1;
+ break;
+ }
+ }
+ }
+ if(s == 0)
+ break;
+ }
+ for(g->nsub=0; x <= e; x += d, g->nsub++){
+ s = 0;
+ for(i=0; i<d; i++){
+ for(j=0; j<d; j++){
+ if(X[d*i+j] < 0 && x[j] == 0){
+ X[d*i+j]++;
+ x[j] = d+i;
+ s = 1;
+ break;
+ }
+ }
+ }
+ if(s == 0)
+ break;
+ }
+ if(s != 0){
+ mpfree(g);
+ g = nil;
+ }
+out:
+ free(C);
+ free(X);
+ mpfree(M);
+ mpfree(T);
+ return g;
+}
+
--- sys/src/libmp/port/mkfile Thu May 27 15:20:04 2004
+++ /sys/src/libmp/port/mkfile Sat Jun 26 21:21:40 2021
@@ -3,9 +3,13 @@
LIB=/$objtype/lib/libmp.a
FILES=\
mpaux\
+ cnfield\
+ gmfield\
+ mpfield\
mpfmt\
strtomp\
mptobe\
+ mptober\
mptole\
betomp\
letomp\
@@ -14,6 +18,8 @@
mpcmp\
mpfactorial\
mpmul\
+ mpnrand\
+ mprand\
mpleft\
mpright\
mpvecadd\
@@ -24,6 +30,7 @@
mpdiv\
mpexp\
mpmod\
+ mpmodop\
mpextendedgcd\
mpinvert\
mprand\
--- sys/src/libmp/port/mpaux.c Mon Sep 19 12:19:11 2005
+++ /sys/src/libmp/port/mpaux.c Sat Jun 26 21:21:40 2021
@@ -107,17 +107,24 @@
free(b);
}
-void
+mpint*
mpnorm(mpint *b)
{
int i;
+ if(b->flags & MPtimesafe){
+ assert(b->sign == 1);
+ b->flags &= ~MPnorm;
+ return b;
+ }
for(i = b->top-1; i >= 0; i--)
if(b->p[i] != 0)
break;
b->top = i+1;
if(b->top == 0)
b->sign = 1;
+ b->flags |= MPnorm;
+ return b;
}
mpint*
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libmp/port/mpfield.c Sat Jun 26 21:21:40 2021
@@ -0,0 +1,21 @@
+#include "os.h"
+#include <mp.h>
+#include "dat.h"
+
+mpint*
+mpfield(mpint *N)
+{
+ Mfield *f;
+
+ if(N == nil || N->flags & (MPfield|MPstatic))
+ return N;
+ if((f = cnfield(N)) != nil)
+ goto Exchange;
+ if((f = gmfield(N)) != nil)
+ goto Exchange;
+ return N;
+Exchange:
+ setmalloctag(f, getcallerpc(&N));
+ mpfree(N);
+ return f;
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libmp/port/mpmodop.c Sat Jun 26 21:21:40 2021
@@ -0,0 +1,95 @@
+#include "os.h"
+#include <mp.h>
+
+/* operands need to have m->top+1 digits of space and satisfy 0 ≤ a ≤ m-1 */
+static mpint*
+modarg(mpint *a, mpint *m)
+{
+ if(a->size <= m->top || a->sign < 0 || mpmagcmp(a, m) >= 0){
+ a = mpcopy(a);
+ mpmod(a, m, a);
+ mpbits(a, Dbits*(m->top+1));
+ a->top = m->top;
+ } else if(a->top < m->top){
+ memset(&a->p[a->top], 0, (m->top - a->top)*Dbytes);
+ }
+ return a;
+}
+
+void
+mpmodadd(mpint *b1, mpint *b2, mpint *m, mpint *sum)
+{
+ mpint *a, *b;
+ mpdigit d;
+ int i, j;
+
+ a = modarg(b1, m);
+ b = modarg(b2, m);
+
+ sum->flags |= (a->flags | b->flags) & MPtimesafe;
+ mpbits(sum, Dbits*2*(m->top+1));
+
+ mpvecadd(a->p, m->top, b->p, m->top, sum->p);
+ mpvecsub(sum->p, m->top+1, m->p, m->top, sum->p+m->top+1);
+
+ d = sum->p[2*m->top+1];
+ for(i = 0, j = m->top+1; i < m->top; i++, j++)
+ sum->p[i] = (sum->p[i] & d) | (sum->p[j] & ~d);
+
+ sum->top = m->top;
+ sum->sign = 1;
+ mpnorm(sum);
+
+ if(a != b1)
+ mpfree(a);
+ if(b != b2)
+ mpfree(b);
+}
+
+void
+mpmodsub(mpint *b1, mpint *b2, mpint *m, mpint *diff)
+{
+ mpint *a, *b;
+ mpdigit d;
+ int i, j;
+
+ a = modarg(b1, m);
+ b = modarg(b2, m);
+
+ diff->flags |= (a->flags | b->flags) & MPtimesafe;
+ mpbits(diff, Dbits*2*(m->top+1));
+
+ a->p[m->top] = 0;
+ mpvecsub(a->p, m->top+1, b->p, m->top, diff->p);
+ mpvecadd(diff->p, m->top, m->p, m->top, diff->p+m->top+1);
+
+ d = ~diff->p[m->top];
+ for(i = 0, j = m->top+1; i < m->top; i++, j++)
+ diff->p[i] = (diff->p[i] & d) | (diff->p[j] & ~d);
+
+ diff->top = m->top;
+ diff->sign = 1;
+ mpnorm(diff);
+
+ if(a != b1)
+ mpfree(a);
+ if(b != b2)
+ mpfree(b);
+}
+
+void
+mpmodmul(mpint *b1, mpint *b2, mpint *m, mpint *prod)
+{
+ mpint *a, *b;
+
+ a = modarg(b1, m);
+ b = modarg(b2, m);
+
+ mpmul(a, b, prod);
+ mpmod(prod, m, prod);
+
+ if(a != b1)
+ mpfree(a);
+ if(b != b2)
+ mpfree(b);
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libmp/port/mpnrand.c Sat Jun 26 21:21:40 2021
@@ -0,0 +1,23 @@
+#include "os.h"
+#include <mp.h>
+#include "dat.h"
+
+/* return uniform random [0..n-1] */
+mpint*
+mpnrand(mpint *n, void (*gen)(uchar*, int), mpint *b)
+{
+ int bits;
+
+ bits = mpsignif(n);
+ if(bits == 0)
+ abort();
+ if(b == nil){
+ b = mpnew(bits);
+ setmalloctag(b, getcallerpc(&n));
+ }
+ do {
+ mprand(bits, gen, b);
+ } while(mpmagcmp(b, n) >= 0);
+
+ return b;
+}
--- sys/src/libmp/port/mprand.c Sun Apr 23 22:44:05 2000
+++ /sys/src/libmp/port/mprand.c Sat Jun 26 21:21:40 2021
@@ -1,42 +1,25 @@
#include "os.h"
#include <mp.h>
-#include <libsec.h>
#include "dat.h"
mpint*
mprand(int bits, void (*gen)(uchar*, int), mpint *b)
{
- int n, m;
mpdigit mask;
- uchar *p;
- n = DIGITS(bits);
- if(b == nil)
+ if(b == nil){
b = mpnew(bits);
- else
+ setmalloctag(b, getcallerpc(&bits));
+ }else
mpbits(b, bits);
- p = malloc(n*Dbytes);
- if(p == nil)
- return nil;
- (*gen)(p, n*Dbytes);
- betomp(p, n*Dbytes, b);
- free(p);
+ b->sign = 1;
+ b->top = DIGITS(bits);
+ (*gen)((uchar*)b->p, b->top*Dbytes);
- // make sure we don't give too many bits
- m = bits%Dbits;
- n--;
- if(m > 0){
- mask = 1;
- mask <<= m;
- mask--;
- b->p[n] &= mask;
- }
+ mask = ((mpdigit)1 << (bits%Dbits))-1;
+ if(mask != 0)
+ b->p[b->top-1] &= mask;
- for(; n >= 0; n--)
- if(b->p[n] != 0)
- break;
- b->top = n+1;
- b->sign = 1;
- return b;
+ return mpnorm(b);
}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libmp/port/mptober.c Sat Jun 26 21:21:40 2021
@@ -0,0 +1,34 @@
+#include "os.h"
+#include <mp.h>
+#include "dat.h"
+
+void
+mptober(mpint *b, uchar *p, int n)
+{
+ int i, j, m;
+ mpdigit x;
+
+ memset(p, 0, n);
+
+ p += n;
+ m = b->top*Dbytes;
+ if(m < n)
+ n = m;
+
+ i = 0;
+ while(n >= Dbytes){
+ n -= Dbytes;
+ x = b->p[i++];
+ for(j = 0; j < Dbytes; j++){
+ *--p = x;
+ x >>= 8;
+ }
+ }
+ if(n > 0){
+ x = b->p[i];
+ for(j = 0; j < n; j++){
+ *--p = x;
+ x >>= 8;
+ }
+ }
+}
--- sys/src/libsec/port/aes.c Thu Jul 1 17:29:01 2021
+++ /sys/src/libsec/port/aes.c Mon Jun 28 16:58:00 2021
@@ -36,446 +36,12 @@
typedef uchar u8;
typedef ulong u32;
-#define FULL_UNROLL
-#define const
-
-static const u32 Td0[256];
-static const u32 Td1[256];
-static const u32 Td2[256];
-static const u32 Td3[256];
-static const u8 Te4[256];
-static uchar basekey[3][16] = {
- {
- 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
- 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
- },
- {
- 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
- 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
- },
- {
- 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
- 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
- },
-};
-
-static int aes_setupEnc(ulong rk[/*4*(Nr + 1)*/], const uchar cipherKey[],
- int keyBits);
-static int aes_setupDec(ulong rk[/*4*(Nr + 1)*/], const uchar cipherKey[],
- int keyBits);
-static int aes_setup(ulong erk[/*4*(Nr + 1)*/], ulong drk[/*4*(Nr + 1)*/],
- const uchar cipherKey[], int keyBits);
-
-void aes_encrypt(const ulong rk[], int Nr, const uchar pt[16], uchar ct[16]);
-void aes_decrypt(const ulong rk[], int Nr, const uchar ct[16], uchar pt[16]);
-
-void
-setupAESstate(AESstate *s, uchar key[], int keybytes, uchar *ivec)
-{
- memset(s, 0, sizeof(*s));
- if(keybytes > AESmaxkey)
- keybytes = AESmaxkey;
- memmove(s->key, key, keybytes);
- s->keybytes = keybytes;
- s->ctrsz = 4; /* default counter size from rfc3686 */
- s->rounds = aes_setup(s->ekey, s->dkey, s->key, keybytes * 8);
- if(ivec != nil)
- memmove(s->ivec, ivec, AESbsize);
- if(keybytes==16 || keybytes==24 || keybytes==32)
- s->setup = 0xcafebabe;
- /* else aes_setup was invalid */
-}
-
-/*
- * AES-XCBC-MAC-96 message authentication, per rfc3566.
- */
-
-void
-setupAESXCBCstate(AESstate *s) /* was setupmac96 */
-{
- int i, j;
- uint q[16 / sizeof(uint)];
- uchar *p;
-
- assert(s->keybytes == 16);
- for(i = 0; i < 3; i++)
- aes_encrypt(s->ekey, s->rounds, basekey[i],
- s->mackey + AESbsize*i);
-
- p = s->mackey;
- memset(q, 0, AESbsize);
-
- /*
- * put the in the right endian. once figured, probably better
- * to use some fcall macros.
- * keys for encryption in local endianness for the algorithm...
- * only key1 is used for encryption;
- * BUG!!: I think this is what I got wrong.
- */
- for(i = 0; i < 16 / sizeof(uint); i ++){
- for(j = 0; j < sizeof(uint); j++)
- q[i] |= p[sizeof(uint)-j-1] << 8*j;
- p += sizeof(uint);
- }
- memmove(s->mackey, q, 16);
-}
-
-/*
- * Not dealing with > 128-bit keys, not dealing with strange corner cases like
- * empty message. Should be fine for AES-XCBC-MAC-96.
- */
-uchar*
-aesXCBCmac(uchar *p, int len, AESstate *s)
-{
- uchar *p2, *ip, *eip, *mackey;
- uchar q[AESbsize];
-
- assert(s->keybytes == 16); /* more complicated for bigger */
- memset(s->ivec, 0, AESbsize); /* E[0] is 0+ */
-
- for(; len > AESbsize; len -= AESbsize){
- memmove(q, p, AESbsize);
- p2 = q;
- ip = s->ivec;
- for(eip = ip + AESbsize; ip < eip; )
- *p2++ ^= *ip++;
- aes_encrypt((ulong *)s->mackey, s->rounds, q, s->ivec);
- p += AESbsize;
- }
- /* the last one */
-
- memmove(q, p, len);
- p2 = q+len;
- if(len == AESbsize)
- mackey = s->mackey + AESbsize; /* k2 */
- else{
- mackey = s->mackey+2*AESbsize; /* k3 */
- *p2++ = 1 << 7; /* padding */
- len = AESbsize - len - 1;
- memset(p2, 0, len);
- }
-
- ip = s->ivec;
- p2 = q;
- for(eip = ip + AESbsize; ip < eip; )
- *p2++ ^= *ip++ ^ *mackey++;
- aes_encrypt((ulong *)s->mackey, s->rounds, q, s->ivec);
- return s->ivec; /* only the 12 bytes leftmost */
-}
-
-/*
- * Define by analogy with desCBCencrypt; AES modes are not standardized yet.
- * Because of the way that non-multiple-of-16 buffers are handled,
- * the decryptor must be fed buffers of the same size as the encryptor.
- */
-void
-aesCBCencrypt(uchar *p, int len, AESstate *s)
-{
- uchar *p2, *ip, *eip;
- uchar q[AESbsize];
-
- for(; len >= AESbsize; len -= AESbsize){
- p2 = p;
- ip = s->ivec;
- for(eip = ip+AESbsize; ip < eip; )
- *p2++ ^= *ip++;
- aes_encrypt(s->ekey, s->rounds, p, q);
- memmove(s->ivec, q, AESbsize);
- memmove(p, q, AESbsize);
- p += AESbsize;
- }
-
- if(len > 0){
- ip = s->ivec;
- aes_encrypt(s->ekey, s->rounds, ip, q);
- memmove(s->ivec, q, AESbsize);
- for(eip = ip+len; ip < eip; )
- *p++ ^= *ip++;
- }
-}
-
-void
-aesCBCdecrypt(uchar *p, int len, AESstate *s)
-{
- uchar *ip, *eip, *tp;
- uchar tmp[AESbsize], q[AESbsize];
-
- for(; len >= AESbsize; len -= AESbsize){
- memmove(tmp, p, AESbsize);
- aes_decrypt(s->dkey, s->rounds, p, q);
- memmove(p, q, AESbsize);
- tp = tmp;
- ip = s->ivec;
- for(eip = ip+AESbsize; ip < eip; ){
- *p++ ^= *ip;
- *ip++ = *tp++;
- }
- }
-
- if(len > 0){
- ip = s->ivec;
- aes_encrypt(s->ekey, s->rounds, ip, q);
- memmove(s->ivec, q, AESbsize);
- for(eip = ip+len; ip < eip; )
- *p++ ^= *ip++;
- }
-}
-
-/*
- * AES-CTR mode, per rfc3686.
- * CTRs could be precalculated for efficiency
- * and there would also be less back and forth mp
- */
-
-static void
-incrementCTR(uchar *p, uint ctrsz)
-{
- int len;
- ulong c;
- uchar *ctr;
- mpint *mpctr, *mpctrsz;
-
- ctr = p + AESbsize - ctrsz;
- if(ctrsz == 4){
- /*
- * If counter is 32 bits (as in rfc3686 and ssh2) there's
- * no need to use extended precision.
- */
- c = 1 + (ctr[0]<<24 | ctr[1]<<16 | ctr[2]<<8 | ctr[3]);
- ctr[0] = c>>24; ctr[1] = c>>16; ctr[2] = c>>8; ctr[3] = c;
- return;
- }
- mpctr = betomp(ctr, ctrsz, nil);
- mpctrsz = mpnew(ctrsz*8 + 1);
- mpleft(mpone, ctrsz*8, mpctrsz);
- mpadd(mpctr, mpone, mpctr);
- mpmod(mpctr, mpctrsz, mpctr);
- len = mptobe(mpctr, ctr, ctrsz, nil);
- assert(len == ctrsz);
- mpfree(mpctrsz);
- mpfree(mpctr);
-}
-
-void
-aesCTRencrypt(uchar *p, int len, AESstate *s)
-{
- uchar q[AESbsize];
- uchar *ip, *eip, *ctr;
-
- ctr = s->ivec;
- for(; len >= AESbsize; len -= AESbsize){
- ip = q;
- aes_encrypt(s->ekey, s->rounds, ctr, q);
- for(eip = p + AESbsize; p < eip; )
- *p++ ^= *ip++;
- incrementCTR(ctr, s->ctrsz);
- }
-
- if(len > 0){
- ip = q;
- aes_encrypt(s->ekey, s->rounds, ctr, q);
- for(eip = p + len; p < eip; )
- *p++ ^= *ip++;
- incrementCTR(ctr, s->ctrsz);
- }
-}
-
-void
-aesCTRdecrypt(uchar *p, int len, AESstate *s)
-{
- aesCTRencrypt(p, len, s);
-}
-
-
-/* taken from sha1; TODO: verify suitability (esp. byte order) for aes */
-/*
- * encodes input (ulong) into output (uchar). Assumes len is
- * a multiple of 4.
- */
-static void
-encode(uchar *output, ulong *input, ulong len)
-{
- ulong x;
- uchar *e;
-
- for(e = output + len; output < e;) {
- x = *input++;
- *output++ = x >> 24;
- *output++ = x >> 16;
- *output++ = x >> 8;
- *output++ = x;
- }
-}
-
-/* TODO: verify use of aes_encrypt here */
-AEShstate*
-aes(uchar *p, ulong len, uchar *digest, AEShstate *s)
-{
- uchar buf[128];
- ulong x[16];
- int i;
- uchar *e;
-
- if(s == nil){
- s = malloc(sizeof(*s));
- if(s == nil)
- return nil;
- memset(s, 0, sizeof(*s));
- s->malloced = 1;
- }
-
- if(s->seeded == 0){
- /* seed the state, these constants would look nicer big-endian */
- s->state[0] = 0x67452301;
- s->state[1] = 0xefcdab89;
- s->state[2] = 0x98badcfe;
- s->state[3] = 0x10325476;
- /* in sha1 (20-byte digest), but not md5 (16 bytes)*/
- s->state[4] = 0xc3d2e1f0;
- s->seeded = 1;
- }
-
- /* fill out the partial 64 byte block from previous calls */
- if(s->blen){
- i = 64 - s->blen;
- if(len < i)
- i = len;
- memmove(s->buf + s->blen, p, i);
- len -= i;
- s->blen += i;
- p += i;
- if(s->blen == 64){
- /* encrypt s->buf into s->state */
- // _sha1block(s->buf, s->blen, s->state);
- aes_encrypt((ulong *)s->buf, 1, s->buf, (uchar *)s->state);
- s->len += s->blen;
- s->blen = 0;
- }
- }
-
- /* do 64 byte blocks */
- i = len & ~0x3f;
- if(i){
- /* encrypt p into s->state */
- // _sha1block(p, i, s->state);
- aes_encrypt((ulong *)s->buf, 1, p, (uchar *)s->state);
- s->len += i;
- len -= i;
- p += i;
- }
-
- /* save the left overs if not last call */
- if(digest == 0){
- if(len){
- memmove(s->buf, p, len);
- s->blen += len;
- }
- return s;
- }
-
- /*
- * this is the last time through, pad what's left with 0x80,
- * 0's, and the input count to create a multiple of 64 bytes
- */
- if(s->blen){
- p = s->buf;
- len = s->blen;
- } else {
- memmove(buf, p, len);
- p = buf;
- }
- s->len += len;
- e = p + len;
- if(len < 56)
- i = 56 - len;
- else
- i = 120 - len;
- memset(e, 0, i);
- *e = 0x80;
- len += i;
-
- /* append the count */
- x[0] = s->len>>29; /* byte-order dependent */
- x[1] = s->len<<3;
- encode(p+len, x, 8);
-
- /* digest the last part */
- /* encrypt p into s->state */
- // _sha1block(p, len+8, s->state);
- aes_encrypt((ulong *)s->buf, 1, p, (uchar *)s->state);
- s->len += len+8; /* sha1: +8 */
-
- /* return result and free state */
- encode((uchar *)digest, (ulong *)s->state, AESdlen);
- if(s->malloced == 1)
- free(s);
- return nil;
-}
-
-DigestState*
-hmac_aes(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest,
- DigestState *s)
-{
- return hmac_x(p, len, key, klen, digest, s, aes, AESdlen);
-}
-
-
-
-/*
- * this function has been changed for plan 9.
- * Expand the cipher key into the encryption and decryption key schedules.
- *
- * @return the number of rounds for the given cipher key size.
- */
-static int
-aes_setup(ulong erk[/* 4*(Nr + 1) */], ulong drk[/* 4*(Nr + 1) */],
- const uchar cipherKey[], int keyBits)
-{
- int Nr, i;
-
- /* expand the cipher key: */
- Nr = aes_setupEnc(erk, cipherKey, keyBits);
-
- /*
- * invert the order of the round keys and apply the inverse MixColumn
- * transform to all round keys but the first and the last
- */
- drk[0 ] = erk[4*Nr ];
- drk[1 ] = erk[4*Nr + 1];
- drk[2 ] = erk[4*Nr + 2];
- drk[3 ] = erk[4*Nr + 3];
- drk[4*Nr ] = erk[0 ];
- drk[4*Nr + 1] = erk[1 ];
- drk[4*Nr + 2] = erk[2 ];
- drk[4*Nr + 3] = erk[3 ];
- erk += 4 * Nr;
- for (i = 1; i < Nr; i++) {
- drk += 4;
- erk -= 4;
- drk[0] =
- Td0[Te4[(erk[0] >> 24) ]] ^
- Td1[Te4[(erk[0] >> 16) & 0xff]] ^
- Td2[Te4[(erk[0] >> 8) & 0xff]] ^
- Td3[Te4[(erk[0] ) & 0xff]];
- drk[1] =
- Td0[Te4[(erk[1] >> 24) ]] ^
- Td1[Te4[(erk[1] >> 16) & 0xff]] ^
- Td2[Te4[(erk[1] >> 8) & 0xff]] ^
- Td3[Te4[(erk[1] ) & 0xff]];
- drk[2] =
- Td0[Te4[(erk[2] >> 24) ]] ^
- Td1[Te4[(erk[2] >> 16) & 0xff]] ^
- Td2[Te4[(erk[2] >> 8) & 0xff]] ^
- Td3[Te4[(erk[2] ) & 0xff]];
- drk[3] =
- Td0[Te4[(erk[3] >> 24) ]] ^
- Td1[Te4[(erk[3] >> 16) & 0xff]] ^
- Td2[Te4[(erk[3] >> 8) & 0xff]] ^
- Td3[Te4[(erk[3] ) & 0xff]];
- }
- return Nr;
-}
+#define GETU32(pt) (((u32)(pt)[0]<<24) ^ ((u32)(pt)[1]<<16) ^ \
+ ((u32)(pt)[2]<< 8) ^ ((u32)(pt)[3]))
+#define PUTU32(ct, st) { (ct)[0] = (u8)((st)>>24); (ct)[1] = (u8)((st)>>16); \
+ (ct)[2] = (u8)((st)>> 8); (ct)[3] = (u8)(st); }
+#define FULL_UNROLL
/*
Te0[x] = S [x].[02, 01, 01, 03];
@@ -491,696 +57,691 @@
Td4[x] = Si[x]
*/
-static const u32 Te0[256] = {
- 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
- 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
- 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
- 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
- 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
- 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
- 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
- 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
- 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
- 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
- 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
- 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
- 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
- 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
- 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
- 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
- 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
- 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
- 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
- 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
- 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
- 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
- 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
- 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
- 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
- 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
- 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
- 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
- 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
- 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
- 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
- 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
- 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
- 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
- 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
- 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
- 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
- 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
- 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
- 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
- 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
- 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
- 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
- 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
- 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
- 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
- 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
- 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
- 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
- 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
- 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
- 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
- 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
- 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
- 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
- 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
- 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
- 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
- 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
- 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
- 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
- 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
- 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
- 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
+static u32 Te0[256] = {
+ 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
+ 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
+ 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
+ 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
+ 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
+ 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
+ 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
+ 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
+ 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
+ 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
+ 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
+ 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
+ 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
+ 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
+ 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
+ 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
+ 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
+ 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
+ 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
+ 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
+ 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
+ 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
+ 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
+ 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
+ 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
+ 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
+ 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
+ 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
+ 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
+ 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
+ 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
+ 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
+ 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
+ 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
+ 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
+ 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
+ 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
+ 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
+ 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
+ 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
+ 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
+ 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
+ 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
+ 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
+ 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
+ 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
+ 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
+ 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
+ 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
+ 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
+ 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
+ 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
+ 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
+ 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
+ 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
+ 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
+ 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
+ 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
+ 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
+ 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
+ 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
+ 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
+ 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
+ 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
};
-static const u32 Te1[256] = {
- 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
- 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
- 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
- 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
- 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
- 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
- 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
- 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
- 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
- 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
- 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
- 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
- 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
- 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
- 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
- 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
- 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
- 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
- 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
- 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
- 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
- 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
- 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
- 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
- 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
- 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
- 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
- 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
- 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
- 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
- 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
- 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
- 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
- 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
- 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
- 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
- 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
- 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
- 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
- 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
- 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
- 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
- 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
- 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
- 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
- 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
- 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
- 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
- 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
- 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
- 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
- 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
- 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
- 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
- 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
- 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
- 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
- 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
- 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
- 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
- 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
- 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
- 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
- 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
+static u32 Te1[256] = {
+ 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
+ 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
+ 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
+ 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
+ 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
+ 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
+ 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
+ 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
+ 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
+ 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
+ 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
+ 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
+ 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
+ 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
+ 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
+ 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
+ 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
+ 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
+ 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
+ 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
+ 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
+ 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
+ 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
+ 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
+ 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
+ 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
+ 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
+ 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
+ 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
+ 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
+ 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
+ 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
+ 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
+ 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
+ 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
+ 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
+ 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
+ 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
+ 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
+ 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
+ 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
+ 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
+ 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
+ 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
+ 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
+ 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
+ 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
+ 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
+ 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
+ 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
+ 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
+ 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
+ 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
+ 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
+ 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
+ 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
+ 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
+ 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
+ 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
+ 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
+ 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
+ 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
+ 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
+ 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
};
-static const u32 Te2[256] = {
- 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
- 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
- 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
- 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
- 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
- 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
- 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
- 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
- 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
- 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
- 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
- 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
- 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
- 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
- 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
- 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
- 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
- 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
- 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
- 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
- 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
- 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
- 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
- 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
- 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
- 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
- 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
- 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
- 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
- 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
- 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
- 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
- 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
- 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
- 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
- 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
- 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
- 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
- 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
- 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
- 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
- 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
- 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
- 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
- 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
- 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
- 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
- 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
- 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
- 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
- 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
- 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
- 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
- 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
- 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
- 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
- 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
- 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
- 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
- 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
- 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
- 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
- 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
- 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
+static u32 Te2[256] = {
+ 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
+ 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
+ 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
+ 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
+ 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
+ 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
+ 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
+ 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
+ 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
+ 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
+ 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
+ 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
+ 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
+ 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
+ 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
+ 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
+ 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
+ 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
+ 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
+ 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
+ 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
+ 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
+ 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
+ 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
+ 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
+ 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
+ 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
+ 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
+ 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
+ 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
+ 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
+ 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
+ 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
+ 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
+ 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
+ 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
+ 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
+ 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
+ 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
+ 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
+ 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
+ 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
+ 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
+ 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
+ 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
+ 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
+ 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
+ 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
+ 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
+ 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
+ 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
+ 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
+ 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
+ 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
+ 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
+ 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
+ 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
+ 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
+ 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
+ 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
+ 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
+ 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
+ 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
+ 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
};
-static const u32 Te3[256] = {
+static u32 Te3[256] = {
- 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
- 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
- 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
- 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
- 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
- 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
- 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
- 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
- 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
- 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
- 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
- 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
- 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
- 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
- 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
- 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
- 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
- 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
- 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
- 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
- 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
- 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
- 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
- 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
- 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
- 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
- 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
- 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
- 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
- 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
- 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
- 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
- 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
- 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
- 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
- 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
- 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
- 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
- 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
- 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
- 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
- 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
- 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
- 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
- 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
- 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
- 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
- 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
- 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
- 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
- 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
- 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
- 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
- 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
- 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
- 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
- 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
- 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
- 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
- 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
- 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
- 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
- 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
- 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
+ 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
+ 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
+ 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
+ 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
+ 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
+ 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
+ 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
+ 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
+ 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
+ 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
+ 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
+ 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
+ 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
+ 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
+ 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
+ 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
+ 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
+ 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
+ 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
+ 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
+ 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
+ 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
+ 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
+ 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
+ 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
+ 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
+ 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
+ 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
+ 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
+ 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
+ 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
+ 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
+ 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
+ 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
+ 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
+ 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
+ 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
+ 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
+ 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
+ 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
+ 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
+ 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
+ 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
+ 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
+ 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
+ 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
+ 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
+ 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
+ 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
+ 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
+ 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
+ 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
+ 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
+ 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
+ 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
+ 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
+ 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
+ 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
+ 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
+ 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
+ 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
+ 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
+ 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
+ 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
};
-static const u8 Te4[256] = {
- 0x63U, 0x7cU, 0x77U, 0x7bU,
- 0xf2U, 0x6bU, 0x6fU, 0xc5U,
- 0x30U, 0x01U, 0x67U, 0x2bU,
- 0xfeU, 0xd7U, 0xabU, 0x76U,
- 0xcaU, 0x82U, 0xc9U, 0x7dU,
- 0xfaU, 0x59U, 0x47U, 0xf0U,
- 0xadU, 0xd4U, 0xa2U, 0xafU,
- 0x9cU, 0xa4U, 0x72U, 0xc0U,
- 0xb7U, 0xfdU, 0x93U, 0x26U,
- 0x36U, 0x3fU, 0xf7U, 0xccU,
- 0x34U, 0xa5U, 0xe5U, 0xf1U,
- 0x71U, 0xd8U, 0x31U, 0x15U,
- 0x04U, 0xc7U, 0x23U, 0xc3U,
- 0x18U, 0x96U, 0x05U, 0x9aU,
- 0x07U, 0x12U, 0x80U, 0xe2U,
- 0xebU, 0x27U, 0xb2U, 0x75U,
- 0x09U, 0x83U, 0x2cU, 0x1aU,
- 0x1bU, 0x6eU, 0x5aU, 0xa0U,
- 0x52U, 0x3bU, 0xd6U, 0xb3U,
- 0x29U, 0xe3U, 0x2fU, 0x84U,
- 0x53U, 0xd1U, 0x00U, 0xedU,
- 0x20U, 0xfcU, 0xb1U, 0x5bU,
- 0x6aU, 0xcbU, 0xbeU, 0x39U,
- 0x4aU, 0x4cU, 0x58U, 0xcfU,
- 0xd0U, 0xefU, 0xaaU, 0xfbU,
- 0x43U, 0x4dU, 0x33U, 0x85U,
- 0x45U, 0xf9U, 0x02U, 0x7fU,
- 0x50U, 0x3cU, 0x9fU, 0xa8U,
- 0x51U, 0xa3U, 0x40U, 0x8fU,
- 0x92U, 0x9dU, 0x38U, 0xf5U,
- 0xbcU, 0xb6U, 0xdaU, 0x21U,
- 0x10U, 0xffU, 0xf3U, 0xd2U,
- 0xcdU, 0x0cU, 0x13U, 0xecU,
- 0x5fU, 0x97U, 0x44U, 0x17U,
- 0xc4U, 0xa7U, 0x7eU, 0x3dU,
- 0x64U, 0x5dU, 0x19U, 0x73U,
- 0x60U, 0x81U, 0x4fU, 0xdcU,
- 0x22U, 0x2aU, 0x90U, 0x88U,
- 0x46U, 0xeeU, 0xb8U, 0x14U,
- 0xdeU, 0x5eU, 0x0bU, 0xdbU,
- 0xe0U, 0x32U, 0x3aU, 0x0aU,
- 0x49U, 0x06U, 0x24U, 0x5cU,
- 0xc2U, 0xd3U, 0xacU, 0x62U,
- 0x91U, 0x95U, 0xe4U, 0x79U,
- 0xe7U, 0xc8U, 0x37U, 0x6dU,
- 0x8dU, 0xd5U, 0x4eU, 0xa9U,
- 0x6cU, 0x56U, 0xf4U, 0xeaU,
- 0x65U, 0x7aU, 0xaeU, 0x08U,
- 0xbaU, 0x78U, 0x25U, 0x2eU,
- 0x1cU, 0xa6U, 0xb4U, 0xc6U,
- 0xe8U, 0xddU, 0x74U, 0x1fU,
- 0x4bU, 0xbdU, 0x8bU, 0x8aU,
- 0x70U, 0x3eU, 0xb5U, 0x66U,
- 0x48U, 0x03U, 0xf6U, 0x0eU,
- 0x61U, 0x35U, 0x57U, 0xb9U,
- 0x86U, 0xc1U, 0x1dU, 0x9eU,
- 0xe1U, 0xf8U, 0x98U, 0x11U,
- 0x69U, 0xd9U, 0x8eU, 0x94U,
- 0x9bU, 0x1eU, 0x87U, 0xe9U,
- 0xceU, 0x55U, 0x28U, 0xdfU,
- 0x8cU, 0xa1U, 0x89U, 0x0dU,
- 0xbfU, 0xe6U, 0x42U, 0x68U,
- 0x41U, 0x99U, 0x2dU, 0x0fU,
- 0xb0U, 0x54U, 0xbbU, 0x16U,
+static u8 Te4[256] = {
+ 0x63U, 0x7cU, 0x77U, 0x7bU,
+ 0xf2U, 0x6bU, 0x6fU, 0xc5U,
+ 0x30U, 0x01U, 0x67U, 0x2bU,
+ 0xfeU, 0xd7U, 0xabU, 0x76U,
+ 0xcaU, 0x82U, 0xc9U, 0x7dU,
+ 0xfaU, 0x59U, 0x47U, 0xf0U,
+ 0xadU, 0xd4U, 0xa2U, 0xafU,
+ 0x9cU, 0xa4U, 0x72U, 0xc0U,
+ 0xb7U, 0xfdU, 0x93U, 0x26U,
+ 0x36U, 0x3fU, 0xf7U, 0xccU,
+ 0x34U, 0xa5U, 0xe5U, 0xf1U,
+ 0x71U, 0xd8U, 0x31U, 0x15U,
+ 0x04U, 0xc7U, 0x23U, 0xc3U,
+ 0x18U, 0x96U, 0x05U, 0x9aU,
+ 0x07U, 0x12U, 0x80U, 0xe2U,
+ 0xebU, 0x27U, 0xb2U, 0x75U,
+ 0x09U, 0x83U, 0x2cU, 0x1aU,
+ 0x1bU, 0x6eU, 0x5aU, 0xa0U,
+ 0x52U, 0x3bU, 0xd6U, 0xb3U,
+ 0x29U, 0xe3U, 0x2fU, 0x84U,
+ 0x53U, 0xd1U, 0x00U, 0xedU,
+ 0x20U, 0xfcU, 0xb1U, 0x5bU,
+ 0x6aU, 0xcbU, 0xbeU, 0x39U,
+ 0x4aU, 0x4cU, 0x58U, 0xcfU,
+ 0xd0U, 0xefU, 0xaaU, 0xfbU,
+ 0x43U, 0x4dU, 0x33U, 0x85U,
+ 0x45U, 0xf9U, 0x02U, 0x7fU,
+ 0x50U, 0x3cU, 0x9fU, 0xa8U,
+ 0x51U, 0xa3U, 0x40U, 0x8fU,
+ 0x92U, 0x9dU, 0x38U, 0xf5U,
+ 0xbcU, 0xb6U, 0xdaU, 0x21U,
+ 0x10U, 0xffU, 0xf3U, 0xd2U,
+ 0xcdU, 0x0cU, 0x13U, 0xecU,
+ 0x5fU, 0x97U, 0x44U, 0x17U,
+ 0xc4U, 0xa7U, 0x7eU, 0x3dU,
+ 0x64U, 0x5dU, 0x19U, 0x73U,
+ 0x60U, 0x81U, 0x4fU, 0xdcU,
+ 0x22U, 0x2aU, 0x90U, 0x88U,
+ 0x46U, 0xeeU, 0xb8U, 0x14U,
+ 0xdeU, 0x5eU, 0x0bU, 0xdbU,
+ 0xe0U, 0x32U, 0x3aU, 0x0aU,
+ 0x49U, 0x06U, 0x24U, 0x5cU,
+ 0xc2U, 0xd3U, 0xacU, 0x62U,
+ 0x91U, 0x95U, 0xe4U, 0x79U,
+ 0xe7U, 0xc8U, 0x37U, 0x6dU,
+ 0x8dU, 0xd5U, 0x4eU, 0xa9U,
+ 0x6cU, 0x56U, 0xf4U, 0xeaU,
+ 0x65U, 0x7aU, 0xaeU, 0x08U,
+ 0xbaU, 0x78U, 0x25U, 0x2eU,
+ 0x1cU, 0xa6U, 0xb4U, 0xc6U,
+ 0xe8U, 0xddU, 0x74U, 0x1fU,
+ 0x4bU, 0xbdU, 0x8bU, 0x8aU,
+ 0x70U, 0x3eU, 0xb5U, 0x66U,
+ 0x48U, 0x03U, 0xf6U, 0x0eU,
+ 0x61U, 0x35U, 0x57U, 0xb9U,
+ 0x86U, 0xc1U, 0x1dU, 0x9eU,
+ 0xe1U, 0xf8U, 0x98U, 0x11U,
+ 0x69U, 0xd9U, 0x8eU, 0x94U,
+ 0x9bU, 0x1eU, 0x87U, 0xe9U,
+ 0xceU, 0x55U, 0x28U, 0xdfU,
+ 0x8cU, 0xa1U, 0x89U, 0x0dU,
+ 0xbfU, 0xe6U, 0x42U, 0x68U,
+ 0x41U, 0x99U, 0x2dU, 0x0fU,
+ 0xb0U, 0x54U, 0xbbU, 0x16U,
};
-static const u32 Td0[256] = {
- 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
- 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
- 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
- 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
- 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
- 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
- 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
- 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
- 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
- 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
- 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
- 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
- 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
- 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
- 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
- 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
- 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
- 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
- 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
- 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
- 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
- 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
- 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
- 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
- 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
- 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
- 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
- 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
- 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
- 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
- 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
- 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
- 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
- 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
- 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
- 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
- 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
- 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
- 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
- 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
- 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
- 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
- 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
- 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
- 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
- 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
- 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
- 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
- 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
- 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
- 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
- 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
- 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
- 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
- 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
- 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
- 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
- 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
- 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
- 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
- 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
- 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
- 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
- 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
+static u32 Td0[256] = {
+ 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
+ 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
+ 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
+ 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
+ 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
+ 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
+ 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
+ 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
+ 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
+ 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
+ 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
+ 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
+ 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
+ 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
+ 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
+ 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
+ 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
+ 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
+ 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
+ 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
+ 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
+ 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
+ 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
+ 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
+ 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
+ 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
+ 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
+ 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
+ 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
+ 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
+ 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
+ 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
+ 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
+ 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
+ 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
+ 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
+ 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
+ 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
+ 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
+ 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
+ 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
+ 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
+ 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
+ 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
+ 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
+ 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
+ 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
+ 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
+ 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
+ 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
+ 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
+ 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
+ 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
+ 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
+ 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
+ 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
+ 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
+ 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
+ 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
+ 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
+ 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
+ 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
+ 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
+ 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
};
-static const u32 Td1[256] = {
- 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
- 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
- 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
- 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
- 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
- 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
- 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
- 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
- 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
- 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
- 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
- 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
- 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
- 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
- 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
- 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
- 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
- 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
- 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
- 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
- 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
- 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
- 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
- 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
- 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
- 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
- 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
- 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
- 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
- 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
- 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
- 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
- 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
- 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
- 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
- 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
- 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
- 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
- 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
- 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
- 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
- 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
- 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
- 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
- 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
- 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
- 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
- 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
- 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
- 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
- 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
- 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
- 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
- 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
- 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
- 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
- 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
- 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
- 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
- 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
- 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
- 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
- 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
- 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
+static u32 Td1[256] = {
+ 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
+ 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
+ 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
+ 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
+ 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
+ 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
+ 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
+ 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
+ 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
+ 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
+ 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
+ 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
+ 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
+ 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
+ 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
+ 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
+ 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
+ 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
+ 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
+ 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
+ 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
+ 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
+ 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
+ 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
+ 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
+ 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
+ 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
+ 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
+ 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
+ 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
+ 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
+ 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
+ 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
+ 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
+ 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
+ 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
+ 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
+ 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
+ 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
+ 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
+ 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
+ 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
+ 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
+ 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
+ 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
+ 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
+ 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
+ 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
+ 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
+ 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
+ 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
+ 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
+ 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
+ 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
+ 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
+ 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
+ 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
+ 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
+ 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
+ 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
+ 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
+ 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
+ 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
+ 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
};
-static const u32 Td2[256] = {
- 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
- 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
- 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
- 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
- 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
- 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
- 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
- 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
- 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
- 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
- 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
- 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
- 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
- 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
- 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
- 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
- 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
- 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
- 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
- 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
-
- 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
- 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
- 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
- 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
- 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
- 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
- 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
- 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
- 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
- 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
- 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
- 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
- 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
- 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
- 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
- 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
- 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
- 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
- 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
- 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
- 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
- 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
- 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
- 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
- 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
- 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
- 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
- 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
- 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
- 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
- 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
- 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
- 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
- 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
- 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
- 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
- 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
- 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
- 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
- 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
- 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
- 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
- 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
- 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
+static u32 Td2[256] = {
+ 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
+ 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
+ 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
+ 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
+ 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
+ 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
+ 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
+ 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
+ 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
+ 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
+ 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
+ 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
+ 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
+ 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
+ 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
+ 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
+ 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
+ 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
+ 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
+ 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
+
+ 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
+ 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
+ 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
+ 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
+ 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
+ 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
+ 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
+ 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
+ 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
+ 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
+ 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
+ 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
+ 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
+ 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
+ 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
+ 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
+ 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
+ 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
+ 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
+ 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
+ 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
+ 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
+ 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
+ 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
+ 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
+ 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
+ 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
+ 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
+ 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
+ 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
+ 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
+ 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
+ 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
+ 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
+ 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
+ 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
+ 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
+ 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
+ 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
+ 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
+ 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
+ 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
+ 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
+ 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
};
-static const u32 Td3[256] = {
- 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
- 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
- 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
- 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
- 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
- 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
- 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
- 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
- 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
- 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
- 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
- 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
- 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
- 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
- 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
- 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
- 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
- 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
- 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
- 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
- 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
- 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
- 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
- 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
- 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
- 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
- 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
- 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
- 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
- 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
- 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
- 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
- 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
- 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
- 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
- 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
- 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
- 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
- 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
- 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
- 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
- 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
- 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
- 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
- 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
- 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
- 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
- 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
- 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
- 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
- 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
- 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
- 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
- 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
- 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
- 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
- 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
- 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
- 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
- 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
- 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
- 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
- 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
- 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
+static u32 Td3[256] = {
+ 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
+ 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
+ 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
+ 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
+ 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
+ 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
+ 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
+ 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
+ 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
+ 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
+ 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
+ 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
+ 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
+ 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
+ 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
+ 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
+ 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
+ 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
+ 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
+ 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
+ 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
+ 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
+ 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
+ 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
+ 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
+ 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
+ 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
+ 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
+ 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
+ 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
+ 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
+ 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
+ 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
+ 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
+ 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
+ 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
+ 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
+ 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
+ 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
+ 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
+ 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
+ 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
+ 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
+ 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
+ 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
+ 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
+ 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
+ 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
+ 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
+ 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
+ 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
+ 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
+ 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
+ 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
+ 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
+ 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
+ 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
+ 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
+ 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
+ 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
+ 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
+ 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
+ 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
+ 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
};
-static const u8 Td4[256] = {
- 0x52U, 0x09U, 0x6aU, 0xd5U,
- 0x30U, 0x36U, 0xa5U, 0x38U,
- 0xbfU, 0x40U, 0xa3U, 0x9eU,
- 0x81U, 0xf3U, 0xd7U, 0xfbU,
- 0x7cU, 0xe3U, 0x39U, 0x82U,
- 0x9bU, 0x2fU, 0xffU, 0x87U,
- 0x34U, 0x8eU, 0x43U, 0x44U,
- 0xc4U, 0xdeU, 0xe9U, 0xcbU,
- 0x54U, 0x7bU, 0x94U, 0x32U,
- 0xa6U, 0xc2U, 0x23U, 0x3dU,
- 0xeeU, 0x4cU, 0x95U, 0x0bU,
- 0x42U, 0xfaU, 0xc3U, 0x4eU,
- 0x08U, 0x2eU, 0xa1U, 0x66U,
- 0x28U, 0xd9U, 0x24U, 0xb2U,
- 0x76U, 0x5bU, 0xa2U, 0x49U,
- 0x6dU, 0x8bU, 0xd1U, 0x25U,
- 0x72U, 0xf8U, 0xf6U, 0x64U,
- 0x86U, 0x68U, 0x98U, 0x16U,
- 0xd4U, 0xa4U, 0x5cU, 0xccU,
- 0x5dU, 0x65U, 0xb6U, 0x92U,
- 0x6cU, 0x70U, 0x48U, 0x50U,
- 0xfdU, 0xedU, 0xb9U, 0xdaU,
- 0x5eU, 0x15U, 0x46U, 0x57U,
- 0xa7U, 0x8dU, 0x9dU, 0x84U,
- 0x90U, 0xd8U, 0xabU, 0x00U,
- 0x8cU, 0xbcU, 0xd3U, 0x0aU,
- 0xf7U, 0xe4U, 0x58U, 0x05U,
- 0xb8U, 0xb3U, 0x45U, 0x06U,
- 0xd0U, 0x2cU, 0x1eU, 0x8fU,
- 0xcaU, 0x3fU, 0x0fU, 0x02U,
- 0xc1U, 0xafU, 0xbdU, 0x03U,
- 0x01U, 0x13U, 0x8aU, 0x6bU,
- 0x3aU, 0x91U, 0x11U, 0x41U,
- 0x4fU, 0x67U, 0xdcU, 0xeaU,
- 0x97U, 0xf2U, 0xcfU, 0xceU,
- 0xf0U, 0xb4U, 0xe6U, 0x73U,
- 0x96U, 0xacU, 0x74U, 0x22U,
- 0xe7U, 0xadU, 0x35U, 0x85U,
- 0xe2U, 0xf9U, 0x37U, 0xe8U,
- 0x1cU, 0x75U, 0xdfU, 0x6eU,
- 0x47U, 0xf1U, 0x1aU, 0x71U,
- 0x1dU, 0x29U, 0xc5U, 0x89U,
- 0x6fU, 0xb7U, 0x62U, 0x0eU,
- 0xaaU, 0x18U, 0xbeU, 0x1bU,
- 0xfcU, 0x56U, 0x3eU, 0x4bU,
- 0xc6U, 0xd2U, 0x79U, 0x20U,
- 0x9aU, 0xdbU, 0xc0U, 0xfeU,
- 0x78U, 0xcdU, 0x5aU, 0xf4U,
- 0x1fU, 0xddU, 0xa8U, 0x33U,
- 0x88U, 0x07U, 0xc7U, 0x31U,
- 0xb1U, 0x12U, 0x10U, 0x59U,
- 0x27U, 0x80U, 0xecU, 0x5fU,
- 0x60U, 0x51U, 0x7fU, 0xa9U,
- 0x19U, 0xb5U, 0x4aU, 0x0dU,
- 0x2dU, 0xe5U, 0x7aU, 0x9fU,
- 0x93U, 0xc9U, 0x9cU, 0xefU,
- 0xa0U, 0xe0U, 0x3bU, 0x4dU,
- 0xaeU, 0x2aU, 0xf5U, 0xb0U,
- 0xc8U, 0xebU, 0xbbU, 0x3cU,
- 0x83U, 0x53U, 0x99U, 0x61U,
- 0x17U, 0x2bU, 0x04U, 0x7eU,
- 0xbaU, 0x77U, 0xd6U, 0x26U,
- 0xe1U, 0x69U, 0x14U, 0x63U,
- 0x55U, 0x21U, 0x0cU, 0x7dU,
+static u8 Td4[256] = {
+ 0x52U, 0x09U, 0x6aU, 0xd5U,
+ 0x30U, 0x36U, 0xa5U, 0x38U,
+ 0xbfU, 0x40U, 0xa3U, 0x9eU,
+ 0x81U, 0xf3U, 0xd7U, 0xfbU,
+ 0x7cU, 0xe3U, 0x39U, 0x82U,
+ 0x9bU, 0x2fU, 0xffU, 0x87U,
+ 0x34U, 0x8eU, 0x43U, 0x44U,
+ 0xc4U, 0xdeU, 0xe9U, 0xcbU,
+ 0x54U, 0x7bU, 0x94U, 0x32U,
+ 0xa6U, 0xc2U, 0x23U, 0x3dU,
+ 0xeeU, 0x4cU, 0x95U, 0x0bU,
+ 0x42U, 0xfaU, 0xc3U, 0x4eU,
+ 0x08U, 0x2eU, 0xa1U, 0x66U,
+ 0x28U, 0xd9U, 0x24U, 0xb2U,
+ 0x76U, 0x5bU, 0xa2U, 0x49U,
+ 0x6dU, 0x8bU, 0xd1U, 0x25U,
+ 0x72U, 0xf8U, 0xf6U, 0x64U,
+ 0x86U, 0x68U, 0x98U, 0x16U,
+ 0xd4U, 0xa4U, 0x5cU, 0xccU,
+ 0x5dU, 0x65U, 0xb6U, 0x92U,
+ 0x6cU, 0x70U, 0x48U, 0x50U,
+ 0xfdU, 0xedU, 0xb9U, 0xdaU,
+ 0x5eU, 0x15U, 0x46U, 0x57U,
+ 0xa7U, 0x8dU, 0x9dU, 0x84U,
+ 0x90U, 0xd8U, 0xabU, 0x00U,
+ 0x8cU, 0xbcU, 0xd3U, 0x0aU,
+ 0xf7U, 0xe4U, 0x58U, 0x05U,
+ 0xb8U, 0xb3U, 0x45U, 0x06U,
+ 0xd0U, 0x2cU, 0x1eU, 0x8fU,
+ 0xcaU, 0x3fU, 0x0fU, 0x02U,
+ 0xc1U, 0xafU, 0xbdU, 0x03U,
+ 0x01U, 0x13U, 0x8aU, 0x6bU,
+ 0x3aU, 0x91U, 0x11U, 0x41U,
+ 0x4fU, 0x67U, 0xdcU, 0xeaU,
+ 0x97U, 0xf2U, 0xcfU, 0xceU,
+ 0xf0U, 0xb4U, 0xe6U, 0x73U,
+ 0x96U, 0xacU, 0x74U, 0x22U,
+ 0xe7U, 0xadU, 0x35U, 0x85U,
+ 0xe2U, 0xf9U, 0x37U, 0xe8U,
+ 0x1cU, 0x75U, 0xdfU, 0x6eU,
+ 0x47U, 0xf1U, 0x1aU, 0x71U,
+ 0x1dU, 0x29U, 0xc5U, 0x89U,
+ 0x6fU, 0xb7U, 0x62U, 0x0eU,
+ 0xaaU, 0x18U, 0xbeU, 0x1bU,
+ 0xfcU, 0x56U, 0x3eU, 0x4bU,
+ 0xc6U, 0xd2U, 0x79U, 0x20U,
+ 0x9aU, 0xdbU, 0xc0U, 0xfeU,
+ 0x78U, 0xcdU, 0x5aU, 0xf4U,
+ 0x1fU, 0xddU, 0xa8U, 0x33U,
+ 0x88U, 0x07U, 0xc7U, 0x31U,
+ 0xb1U, 0x12U, 0x10U, 0x59U,
+ 0x27U, 0x80U, 0xecU, 0x5fU,
+ 0x60U, 0x51U, 0x7fU, 0xa9U,
+ 0x19U, 0xb5U, 0x4aU, 0x0dU,
+ 0x2dU, 0xe5U, 0x7aU, 0x9fU,
+ 0x93U, 0xc9U, 0x9cU, 0xefU,
+ 0xa0U, 0xe0U, 0x3bU, 0x4dU,
+ 0xaeU, 0x2aU, 0xf5U, 0xb0U,
+ 0xc8U, 0xebU, 0xbbU, 0x3cU,
+ 0x83U, 0x53U, 0x99U, 0x61U,
+ 0x17U, 0x2bU, 0x04U, 0x7eU,
+ 0xbaU, 0x77U, 0xd6U, 0x26U,
+ 0xe1U, 0x69U, 0x14U, 0x63U,
+ 0x55U, 0x21U, 0x0cU, 0x7dU,
};
-static const u32 rcon[] = {
+static u32 rcon[] = {
0x01000000, 0x02000000, 0x04000000, 0x08000000,
0x10000000, 0x20000000, 0x40000000, 0x80000000,
0x1B000000, 0x36000000,
/* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
};
-#define GETU32(pt) (((u32)(pt)[0]<<24) ^ ((u32)(pt)[1]<<16) ^ \
- ((u32)(pt)[2]<< 8) ^ ((u32)(pt)[3]))
-#define PUTU32(ct, st) { (ct)[0] = (u8)((st)>>24); (ct)[1] = (u8)((st)>>16); \
- (ct)[2] = (u8)((st)>> 8); (ct)[3] = (u8)(st); }
-
/*
* Expand the cipher key into the encryption key schedule.
*
* @return the number of rounds for the given cipher key size.
*/
static int
-aes_setupEnc(ulong rk[/*4*(Nr + 1)*/], const uchar cipherKey[], int keyBits)
+setupEnc(ulong rk[/*4*(Nr + 1)*/], uchar key[], int nkey)
{
int i = 0;
u32 temp;
- rk[0] = GETU32(cipherKey );
- rk[1] = GETU32(cipherKey + 4);
- rk[2] = GETU32(cipherKey + 8);
- rk[3] = GETU32(cipherKey + 12);
- if (keyBits == 128) {
+ rk[0] = GETU32(key );
+ rk[1] = GETU32(key + 4);
+ rk[2] = GETU32(key + 8);
+ rk[3] = GETU32(key + 12);
+ if (nkey == 16) {
for (;;) {
temp = rk[3];
rk[4] = rk[0] ^
@@ -1198,9 +759,9 @@
rk += 4;
}
}
- rk[4] = GETU32(cipherKey + 16);
- rk[5] = GETU32(cipherKey + 20);
- if (keyBits == 192) {
+ rk[4] = GETU32(key + 16);
+ rk[5] = GETU32(key + 20);
+ if (nkey == 24) {
for (;;) {
temp = rk[ 5];
rk[ 6] = rk[ 0] ^
@@ -1220,92 +781,94 @@
rk += 6;
}
}
- rk[6] = GETU32(cipherKey + 24);
- rk[7] = GETU32(cipherKey + 28);
- if (keyBits == 256) {
- for (;;) {
- temp = rk[ 7];
- rk[ 8] = rk[ 0] ^
- (Te4[(temp >> 16) & 0xff] << 24) ^
- (Te4[(temp >> 8) & 0xff] << 16) ^
- (Te4[(temp ) & 0xff] << 8) ^
- (Te4[(temp >> 24) ] ) ^
- rcon[i];
- rk[ 9] = rk[ 1] ^ rk[ 8];
- rk[10] = rk[ 2] ^ rk[ 9];
- rk[11] = rk[ 3] ^ rk[10];
+ rk[6] = GETU32(key + 24);
+ rk[7] = GETU32(key + 28);
+ if (nkey == 32) {
+ for (;;) {
+ temp = rk[ 7];
+ rk[ 8] = rk[ 0] ^
+ (Te4[(temp >> 16) & 0xff] << 24) ^
+ (Te4[(temp >> 8) & 0xff] << 16) ^
+ (Te4[(temp ) & 0xff] << 8) ^
+ (Te4[(temp >> 24) ] ) ^
+ rcon[i];
+ rk[ 9] = rk[ 1] ^ rk[ 8];
+ rk[10] = rk[ 2] ^ rk[ 9];
+ rk[11] = rk[ 3] ^ rk[10];
if (++i == 7) {
return 14;
}
- temp = rk[11];
- rk[12] = rk[ 4] ^
- (Te4[(temp >> 24) ] << 24) ^
- (Te4[(temp >> 16) & 0xff] << 16) ^
- (Te4[(temp >> 8) & 0xff] << 8) ^
- (Te4[(temp ) & 0xff] );
- rk[13] = rk[ 5] ^ rk[12];
- rk[14] = rk[ 6] ^ rk[13];
- rk[15] = rk[ 7] ^ rk[14];
+ temp = rk[11];
+ rk[12] = rk[ 4] ^
+ (Te4[(temp >> 24) ] << 24) ^
+ (Te4[(temp >> 16) & 0xff] << 16) ^
+ (Te4[(temp >> 8) & 0xff] << 8) ^
+ (Te4[(temp ) & 0xff] );
+ rk[13] = rk[ 5] ^ rk[12];
+ rk[14] = rk[ 6] ^ rk[13];
+ rk[15] = rk[ 7] ^ rk[14];
rk += 8;
- }
+ }
}
return 0;
}
-/**
- * Expand the cipher key into the decryption key schedule.
+/*
+ * Expand the cipher key into the encryption and decryption key schedules.
*
* @return the number of rounds for the given cipher key size.
*/
static int
-aes_setupDec(ulong rk[/* 4*(Nr + 1) */], const uchar cipherKey[], int keyBits)
+AESsetup(ulong erk[/* 4*(Nr + 1) */], ulong drk[/* 4*(Nr + 1) */], uchar key[], int nkey)
{
- int Nr, i, j;
- ulong temp;
+ int Nr, i;
/* expand the cipher key: */
- Nr = aes_setupEnc(rk, cipherKey, keyBits);
- /* invert the order of the round keys: */
- for (i = 0, j = 4*Nr; i < j; i += 4, j -= 4) {
- temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp;
- temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
- temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
- temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
- }
+ Nr = setupEnc(erk, key, nkey);
+
/*
- * apply the inverse MixColumn transform to all round keys
- * but the first and the last:
+ * invert the order of the round keys and apply the inverse MixColumn
+ * transform to all round keys but the first and the last
*/
+ drk[0 ] = erk[4*Nr ];
+ drk[1 ] = erk[4*Nr + 1];
+ drk[2 ] = erk[4*Nr + 2];
+ drk[3 ] = erk[4*Nr + 3];
+ drk[4*Nr ] = erk[0 ];
+ drk[4*Nr + 1] = erk[1 ];
+ drk[4*Nr + 2] = erk[2 ];
+ drk[4*Nr + 3] = erk[3 ];
+ erk += 4 * Nr;
for (i = 1; i < Nr; i++) {
- rk += 4;
- rk[0] =
- Td0[Te4[(rk[0] >> 24) ]] ^
- Td1[Te4[(rk[0] >> 16) & 0xff]] ^
- Td2[Te4[(rk[0] >> 8) & 0xff]] ^
- Td3[Te4[(rk[0] ) & 0xff]];
- rk[1] =
- Td0[Te4[(rk[1] >> 24) ]] ^
- Td1[Te4[(rk[1] >> 16) & 0xff]] ^
- Td2[Te4[(rk[1] >> 8) & 0xff]] ^
- Td3[Te4[(rk[1] ) & 0xff]];
- rk[2] =
- Td0[Te4[(rk[2] >> 24) ]] ^
- Td1[Te4[(rk[2] >> 16) & 0xff]] ^
- Td2[Te4[(rk[2] >> 8) & 0xff]] ^
- Td3[Te4[(rk[2] ) & 0xff]];
- rk[3] =
- Td0[Te4[(rk[3] >> 24) ]] ^
- Td1[Te4[(rk[3] >> 16) & 0xff]] ^
- Td2[Te4[(rk[3] >> 8) & 0xff]] ^
- Td3[Te4[(rk[3] ) & 0xff]];
+ drk += 4;
+ erk -= 4;
+ drk[0] =
+ Td0[Te4[(erk[0] >> 24) ]] ^
+ Td1[Te4[(erk[0] >> 16) & 0xff]] ^
+ Td2[Te4[(erk[0] >> 8) & 0xff]] ^
+ Td3[Te4[(erk[0] ) & 0xff]];
+ drk[1] =
+ Td0[Te4[(erk[1] >> 24) ]] ^
+ Td1[Te4[(erk[1] >> 16) & 0xff]] ^
+ Td2[Te4[(erk[1] >> 8) & 0xff]] ^
+ Td3[Te4[(erk[1] ) & 0xff]];
+ drk[2] =
+ Td0[Te4[(erk[2] >> 24) ]] ^
+ Td1[Te4[(erk[2] >> 16) & 0xff]] ^
+ Td2[Te4[(erk[2] >> 8) & 0xff]] ^
+ Td3[Te4[(erk[2] ) & 0xff]];
+ drk[3] =
+ Td0[Te4[(erk[3] >> 24) ]] ^
+ Td1[Te4[(erk[3] >> 16) & 0xff]] ^
+ Td2[Te4[(erk[3] >> 8) & 0xff]] ^
+ Td3[Te4[(erk[3] ) & 0xff]];
}
return Nr;
}
/* using round keys in rk, perform Nr rounds of encrypting pt into ct */
-void
-aes_encrypt(const ulong rk[/* 4*(Nr + 1) */], int Nr, const uchar pt[16],
- uchar ct[16])
+static void
+AESencrypt(ulong rk[/* 4*(Nr + 1) */], int Nr, uchar pt[16], uchar ct[16])
{
ulong s0, s1, s2, s3, t0, t1, t2, t3;
#ifndef FULL_UNROLL
@@ -1322,50 +885,50 @@
s3 = GETU32(pt + 12) ^ rk[3];
#ifdef FULL_UNROLL
/* round 1: */
- t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
- t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
- t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
- t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
- /* round 2: */
- s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
- s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
- s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
- s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
+ t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
+ t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
+ t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
+ t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
+ /* round 2: */
+ s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
+ s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
+ s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
+ s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
/* round 3: */
- t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
- t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
- t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
- t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
- /* round 4: */
- s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
- s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
- s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
- s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
+ t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
+ t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
+ t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
+ t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
+ /* round 4: */
+ s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
+ s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
+ s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
+ s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
/* round 5: */
- t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
- t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
- t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
- t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
- /* round 6: */
- s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
- s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
- s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
- s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
+ t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
+ t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
+ t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
+ t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
+ /* round 6: */
+ s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
+ s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
+ s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
+ s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
/* round 7: */
- t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
- t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
- t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
- t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
- /* round 8: */
- s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
- s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
- s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
- s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
+ t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
+ t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
+ t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
+ t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
+ /* round 8: */
+ s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
+ s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
+ s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
+ s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
/* round 9: */
- t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
- t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
- t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
- t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
+ t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
+ t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
+ t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
+ t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
if (Nr > 10) {
/* round 10: */
s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
@@ -1397,59 +960,59 @@
*/
r = Nr >> 1;
for (;;) {
- t0 =
- Te0[(s0 >> 24) ] ^
- Te1[(s1 >> 16) & 0xff] ^
- Te2[(s2 >> 8) & 0xff] ^
- Te3[(s3 ) & 0xff] ^
- rk[4];
- t1 =
- Te0[(s1 >> 24) ] ^
- Te1[(s2 >> 16) & 0xff] ^
- Te2[(s3 >> 8) & 0xff] ^
- Te3[(s0 ) & 0xff] ^
- rk[5];
- t2 =
- Te0[(s2 >> 24) ] ^
- Te1[(s3 >> 16) & 0xff] ^
- Te2[(s0 >> 8) & 0xff] ^
- Te3[(s1 ) & 0xff] ^
- rk[6];
- t3 =
- Te0[(s3 >> 24) ] ^
- Te1[(s0 >> 16) & 0xff] ^
- Te2[(s1 >> 8) & 0xff] ^
- Te3[(s2 ) & 0xff] ^
- rk[7];
-
- rk += 8;
- if (--r == 0)
- break;
-
- s0 =
- Te0[(t0 >> 24) ] ^
- Te1[(t1 >> 16) & 0xff] ^
- Te2[(t2 >> 8) & 0xff] ^
- Te3[(t3 ) & 0xff] ^
- rk[0];
- s1 =
- Te0[(t1 >> 24) ] ^
- Te1[(t2 >> 16) & 0xff] ^
- Te2[(t3 >> 8) & 0xff] ^
- Te3[(t0 ) & 0xff] ^
- rk[1];
- s2 =
- Te0[(t2 >> 24) ] ^
- Te1[(t3 >> 16) & 0xff] ^
- Te2[(t0 >> 8) & 0xff] ^
- Te3[(t1 ) & 0xff] ^
- rk[2];
- s3 =
- Te0[(t3 >> 24) ] ^
- Te1[(t0 >> 16) & 0xff] ^
- Te2[(t1 >> 8) & 0xff] ^
- Te3[(t2 ) & 0xff] ^
- rk[3];
+ t0 =
+ Te0[(s0 >> 24) ] ^
+ Te1[(s1 >> 16) & 0xff] ^
+ Te2[(s2 >> 8) & 0xff] ^
+ Te3[(s3 ) & 0xff] ^
+ rk[4];
+ t1 =
+ Te0[(s1 >> 24) ] ^
+ Te1[(s2 >> 16) & 0xff] ^
+ Te2[(s3 >> 8) & 0xff] ^
+ Te3[(s0 ) & 0xff] ^
+ rk[5];
+ t2 =
+ Te0[(s2 >> 24) ] ^
+ Te1[(s3 >> 16) & 0xff] ^
+ Te2[(s0 >> 8) & 0xff] ^
+ Te3[(s1 ) & 0xff] ^
+ rk[6];
+ t3 =
+ Te0[(s3 >> 24) ] ^
+ Te1[(s0 >> 16) & 0xff] ^
+ Te2[(s1 >> 8) & 0xff] ^
+ Te3[(s2 ) & 0xff] ^
+ rk[7];
+
+ rk += 8;
+ if (--r == 0)
+ break;
+
+ s0 =
+ Te0[(t0 >> 24) ] ^
+ Te1[(t1 >> 16) & 0xff] ^
+ Te2[(t2 >> 8) & 0xff] ^
+ Te3[(t3 ) & 0xff] ^
+ rk[0];
+ s1 =
+ Te0[(t1 >> 24) ] ^
+ Te1[(t2 >> 16) & 0xff] ^
+ Te2[(t3 >> 8) & 0xff] ^
+ Te3[(t0 ) & 0xff] ^
+ rk[1];
+ s2 =
+ Te0[(t2 >> 24) ] ^
+ Te1[(t3 >> 16) & 0xff] ^
+ Te2[(t0 >> 8) & 0xff] ^
+ Te3[(t1 ) & 0xff] ^
+ rk[2];
+ s3 =
+ Te0[(t3 >> 24) ] ^
+ Te1[(t0 >> 16) & 0xff] ^
+ Te2[(t1 >> 8) & 0xff] ^
+ Te3[(t2 ) & 0xff] ^
+ rk[3];
}
#endif /* ?FULL_UNROLL */
/*
@@ -1486,9 +1049,8 @@
PUTU32(ct + 12, s3);
}
-void
-aes_decrypt(const ulong rk[/* 4*(Nr + 1) */], int Nr, const uchar ct[16],
- uchar pt[16])
+static void
+AESdecrypt(ulong rk[/* 4*(Nr + 1) */], int Nr, uchar ct[16], uchar pt[16])
{
ulong s0, s1, s2, s3, t0, t1, t2, t3;
#ifndef FULL_UNROLL
@@ -1499,360 +1061,200 @@
* map byte array block to cipher state
* and add initial round key:
*/
- s0 = GETU32(ct ) ^ rk[0];
- s1 = GETU32(ct + 4) ^ rk[1];
- s2 = GETU32(ct + 8) ^ rk[2];
- s3 = GETU32(ct + 12) ^ rk[3];
+ s0 = GETU32(ct ) ^ rk[0];
+ s1 = GETU32(ct + 4) ^ rk[1];
+ s2 = GETU32(ct + 8) ^ rk[2];
+ s3 = GETU32(ct + 12) ^ rk[3];
#ifdef FULL_UNROLL
- /* round 1: */
- t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
- t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
- t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
- t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
- /* round 2: */
- s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
- s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
- s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
- s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
- /* round 3: */
- t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
- t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
- t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
- t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
- /* round 4: */
- s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
- s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
- s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
- s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
- /* round 5: */
- t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
- t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
- t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
- t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
- /* round 6: */
- s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
- s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
- s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
- s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
- /* round 7: */
- t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
- t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
- t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
- t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
- /* round 8: */
- s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
- s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
- s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
- s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
- /* round 9: */
- t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
- t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
- t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
- t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
- if (Nr > 10) {
- /* round 10: */
- s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
- s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
- s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
- s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
- /* round 11: */
- t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
- t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
- t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
- t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
- if (Nr > 12) {
- /* round 12: */
- s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
- s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
- s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
- s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
- /* round 13: */
- t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
- t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
- t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
- t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
- }
- }
- rk += Nr << 2;
-#else /* !FULL_UNROLL */
- /*
- * Nr - 1 full rounds:
- */
- r = Nr >> 1;
- for (;;) {
- t0 =
- Td0[(s0 >> 24) ] ^
- Td1[(s3 >> 16) & 0xff] ^
- Td2[(s2 >> 8) & 0xff] ^
- Td3[(s1 ) & 0xff] ^
- rk[4];
- t1 =
- Td0[(s1 >> 24) ] ^
- Td1[(s0 >> 16) & 0xff] ^
- Td2[(s3 >> 8) & 0xff] ^
- Td3[(s2 ) & 0xff] ^
- rk[5];
- t2 =
- Td0[(s2 >> 24) ] ^
- Td1[(s1 >> 16) & 0xff] ^
- Td2[(s0 >> 8) & 0xff] ^
- Td3[(s3 ) & 0xff] ^
- rk[6];
- t3 =
- Td0[(s3 >> 24) ] ^
- Td1[(s2 >> 16) & 0xff] ^
- Td2[(s1 >> 8) & 0xff] ^
- Td3[(s0 ) & 0xff] ^
- rk[7];
-
- rk += 8;
- if (--r == 0)
- break;
-
- s0 =
- Td0[(t0 >> 24) ] ^
- Td1[(t3 >> 16) & 0xff] ^
- Td2[(t2 >> 8) & 0xff] ^
- Td3[(t1 ) & 0xff] ^
- rk[0];
- s1 =
- Td0[(t1 >> 24) ] ^
- Td1[(t0 >> 16) & 0xff] ^
- Td2[(t3 >> 8) & 0xff] ^
- Td3[(t2 ) & 0xff] ^
- rk[1];
- s2 =
- Td0[(t2 >> 24) ] ^
- Td1[(t1 >> 16) & 0xff] ^
- Td2[(t0 >> 8) & 0xff] ^
- Td3[(t3 ) & 0xff] ^
- rk[2];
- s3 =
- Td0[(t3 >> 24) ] ^
- Td1[(t2 >> 16) & 0xff] ^
- Td2[(t1 >> 8) & 0xff] ^
- Td3[(t0 ) & 0xff] ^
- rk[3];
- }
-#endif /* ?FULL_UNROLL */
- /*
- * apply last round and
- * map cipher state to byte array block:
- */
- s0 =
- (Td4[(t0 >> 24) ] << 24) ^
- (Td4[(t3 >> 16) & 0xff] << 16) ^
- (Td4[(t2 >> 8) & 0xff] << 8) ^
- (Td4[(t1 ) & 0xff] ) ^
- rk[0];
- PUTU32(pt , s0);
- s1 =
- (Td4[(t1 >> 24) ] << 24) ^
- (Td4[(t0 >> 16) & 0xff] << 16) ^
- (Td4[(t3 >> 8) & 0xff] << 8) ^
- (Td4[(t2 ) & 0xff] ) ^
- rk[1];
- PUTU32(pt + 4, s1);
- s2 =
- (Td4[(t2 >> 24) ] << 24) ^
- (Td4[(t1 >> 16) & 0xff] << 16) ^
- (Td4[(t0 >> 8) & 0xff] << 8) ^
- (Td4[(t3 ) & 0xff] ) ^
- rk[2];
- PUTU32(pt + 8, s2);
- s3 =
- (Td4[(t3 >> 24) ] << 24) ^
- (Td4[(t2 >> 16) & 0xff] << 16) ^
- (Td4[(t1 >> 8) & 0xff] << 8) ^
- (Td4[(t0 ) & 0xff] ) ^
- rk[3];
- PUTU32(pt + 12, s3);
-}
-
-#ifdef INTERMEDIATE_VALUE_KAT
-
-static void
-aes_encryptRound(const u32 rk[/* 4*(Nr + 1) */], int Nr, u8 block[16],
- int rounds)
-{
- int r;
- u32 s0, s1, s2, s3, t0, t1, t2, t3;
-
- /*
- * map byte array block to cipher state
- * and add initial round key:
- */
- s0 = GETU32(block ) ^ rk[0];
- s1 = GETU32(block + 4) ^ rk[1];
- s2 = GETU32(block + 8) ^ rk[2];
- s3 = GETU32(block + 12) ^ rk[3];
- rk += 4;
-
- /*
- * Nr - 1 full rounds:
- */
- for (r = (rounds < Nr ? rounds : Nr - 1); r > 0; r--) {
- t0 =
- Te0[(s0 >> 24) ] ^
- Te1[(s1 >> 16) & 0xff] ^
- Te2[(s2 >> 8) & 0xff] ^
- Te3[(s3 ) & 0xff] ^
- rk[0];
- t1 =
- Te0[(s1 >> 24) ] ^
- Te1[(s2 >> 16) & 0xff] ^
- Te2[(s3 >> 8) & 0xff] ^
- Te3[(s0 ) & 0xff] ^
- rk[1];
- t2 =
- Te0[(s2 >> 24) ] ^
- Te1[(s3 >> 16) & 0xff] ^
- Te2[(s0 >> 8) & 0xff] ^
- Te3[(s1 ) & 0xff] ^
- rk[2];
- t3 =
- Te0[(s3 >> 24) ] ^
- Te1[(s0 >> 16) & 0xff] ^
- Te2[(s1 >> 8) & 0xff] ^
- Te3[(s2 ) & 0xff] ^
- rk[3];
- s0 = t0;
- s1 = t1;
- s2 = t2;
- s3 = t3;
- rk += 4;
- }
-
- /*
- * apply last round and
- * map cipher state to byte array block:
- */
- if (rounds == Nr) {
- t0 =
- (Te4[(s0 >> 24) ] << 24) ^
- (Te4[(s1 >> 16) & 0xff] << 16) ^
- (Te4[(s2 >> 8) & 0xff] << 8) ^
- (Te4[(s3 ) & 0xff] ) ^
- rk[0];
- t1 =
- (Te4[(s1 >> 24) ] << 24) ^
- (Te4[(s2 >> 16) & 0xff] << 16) ^
- (Te4[(s3 >> 8) & 0xff] << 8) ^
- (Te4[(s0 ) & 0xff] ) ^
- rk[1];
- t2 =
- (Te4[(s2 >> 24) ] << 24) ^
- (Te4[(s3 >> 16) & 0xff] << 16) ^
- (Te4[(s0 >> 8) & 0xff] << 8) ^
- (Te4[(s1 ) & 0xff] ) ^
- rk[2];
- t3 =
- (Te4[(s3 >> 24) ] << 24) ^
- (Te4[(s0 >> 16) & 0xff] << 16) ^
- (Te4[(s1 >> 8) & 0xff] << 8) ^
- (Te4[(s2 ) & 0xff] ) ^
- rk[3];
- s0 = t0;
- s1 = t1;
- s2 = t2;
- s3 = t3;
+ /* round 1: */
+ t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
+ t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
+ t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
+ t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
+ /* round 2: */
+ s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
+ s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
+ s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
+ s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
+ /* round 3: */
+ t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
+ t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
+ t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
+ t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
+ /* round 4: */
+ s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
+ s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
+ s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
+ s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
+ /* round 5: */
+ t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
+ t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
+ t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
+ t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
+ /* round 6: */
+ s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
+ s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
+ s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
+ s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
+ /* round 7: */
+ t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
+ t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
+ t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
+ t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
+ /* round 8: */
+ s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
+ s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
+ s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
+ s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
+ /* round 9: */
+ t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
+ t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
+ t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
+ t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
+ if (Nr > 10) {
+ /* round 10: */
+ s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
+ s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
+ s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
+ s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
+ /* round 11: */
+ t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
+ t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
+ t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
+ t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
+ if (Nr > 12) {
+ /* round 12: */
+ s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
+ s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
+ s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
+ s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
+ /* round 13: */
+ t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
+ t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
+ t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
+ t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
+ }
}
-
- PUTU32(block , s0);
- PUTU32(block + 4, s1);
- PUTU32(block + 8, s2);
- PUTU32(block + 12, s3);
-}
-
-static void
-aes_decryptRound(const u32 rk[/* 4*(Nr + 1) */], int Nr, u8 block[16],
- int rounds)
-{
- int r;
- u32 s0, s1, s2, s3, t0, t1, t2, t3;
-
- /*
- * map byte array block to cipher state
- * and add initial round key:
- */
- s0 = GETU32(block ) ^ rk[0];
- s1 = GETU32(block + 4) ^ rk[1];
- s2 = GETU32(block + 8) ^ rk[2];
- s3 = GETU32(block + 12) ^ rk[3];
- rk += 4;
-
+ rk += Nr << 2;
+#else /* !FULL_UNROLL */
/*
* Nr - 1 full rounds:
*/
- for (r = (rounds < Nr ? rounds : Nr) - 1; r > 0; r--) {
+ r = Nr >> 1;
+ for (;;) {
t0 =
Td0[(s0 >> 24) ] ^
Td1[(s3 >> 16) & 0xff] ^
Td2[(s2 >> 8) & 0xff] ^
Td3[(s1 ) & 0xff] ^
- rk[0];
+ rk[4];
t1 =
Td0[(s1 >> 24) ] ^
Td1[(s0 >> 16) & 0xff] ^
Td2[(s3 >> 8) & 0xff] ^
Td3[(s2 ) & 0xff] ^
- rk[1];
+ rk[5];
t2 =
Td0[(s2 >> 24) ] ^
Td1[(s1 >> 16) & 0xff] ^
Td2[(s0 >> 8) & 0xff] ^
Td3[(s3 ) & 0xff] ^
- rk[2];
+ rk[6];
t3 =
Td0[(s3 >> 24) ] ^
Td1[(s2 >> 16) & 0xff] ^
Td2[(s1 >> 8) & 0xff] ^
Td3[(s0 ) & 0xff] ^
- rk[3];
+ rk[7];
- s0 = t0;
- s1 = t1;
- s2 = t2;
- s3 = t3;
- rk += 4;
+ rk += 8;
+ if (--r == 0)
+ break;
+
+ s0 =
+ Td0[(t0 >> 24) ] ^
+ Td1[(t3 >> 16) & 0xff] ^
+ Td2[(t2 >> 8) & 0xff] ^
+ Td3[(t1 ) & 0xff] ^
+ rk[0];
+ s1 =
+ Td0[(t1 >> 24) ] ^
+ Td1[(t0 >> 16) & 0xff] ^
+ Td2[(t3 >> 8) & 0xff] ^
+ Td3[(t2 ) & 0xff] ^
+ rk[1];
+ s2 =
+ Td0[(t2 >> 24) ] ^
+ Td1[(t1 >> 16) & 0xff] ^
+ Td2[(t0 >> 8) & 0xff] ^
+ Td3[(t3 ) & 0xff] ^
+ rk[2];
+ s3 =
+ Td0[(t3 >> 24) ] ^
+ Td1[(t2 >> 16) & 0xff] ^
+ Td2[(t1 >> 8) & 0xff] ^
+ Td3[(t0 ) & 0xff] ^
+ rk[3];
}
-
+#endif /* ?FULL_UNROLL */
/*
- * complete the last round and
+ * apply last round and
* map cipher state to byte array block:
*/
- t0 =
- (Td4[(s0 >> 24) ] << 24) ^
- (Td4[(s3 >> 16) & 0xff] << 16) ^
- (Td4[(s2 >> 8) & 0xff] << 8) ^
- (Td4[(s1 ) & 0xff] );
- t1 =
- (Td4[(s1 >> 24) ] << 24) ^
- (Td4[(s0 >> 16) & 0xff] << 16) ^
- (Td4[(s3 >> 8) & 0xff] << 8) ^
- (Td4[(s2 ) & 0xff] );
- t2 =
- (Td4[(s2 >> 24) ] << 24) ^
- (Td4[(s1 >> 16) & 0xff] << 16) ^
- (Td4[(s0 >> 8) & 0xff] << 8) ^
- (Td4[(s3 ) & 0xff] );
- t3 =
- (Td4[(s3 >> 24) ] << 24) ^
- (Td4[(s2 >> 16) & 0xff] << 16) ^
- (Td4[(s1 >> 8) & 0xff] << 8) ^
- (Td4[(s0 ) & 0xff] );
-
- if (rounds == Nr) {
- t0 ^= rk[0];
- t1 ^= rk[1];
- t2 ^= rk[2];
- t3 ^= rk[3];
- }
-
- PUTU32(block , t0);
- PUTU32(block + 4, t1);
- PUTU32(block + 8, t2);
- PUTU32(block + 12, t3);
+ s0 =
+ (Td4[(t0 >> 24) ] << 24) ^
+ (Td4[(t3 >> 16) & 0xff] << 16) ^
+ (Td4[(t2 >> 8) & 0xff] << 8) ^
+ (Td4[(t1 ) & 0xff] ) ^
+ rk[0];
+ PUTU32(pt , s0);
+ s1 =
+ (Td4[(t1 >> 24) ] << 24) ^
+ (Td4[(t0 >> 16) & 0xff] << 16) ^
+ (Td4[(t3 >> 8) & 0xff] << 8) ^
+ (Td4[(t2 ) & 0xff] ) ^
+ rk[1];
+ PUTU32(pt + 4, s1);
+ s2 =
+ (Td4[(t2 >> 24) ] << 24) ^
+ (Td4[(t1 >> 16) & 0xff] << 16) ^
+ (Td4[(t0 >> 8) & 0xff] << 8) ^
+ (Td4[(t3 ) & 0xff] ) ^
+ rk[2];
+ PUTU32(pt + 8, s2);
+ s3 =
+ (Td4[(t3 >> 24) ] << 24) ^
+ (Td4[(t2 >> 16) & 0xff] << 16) ^
+ (Td4[(t1 >> 8) & 0xff] << 8) ^
+ (Td4[(t0 ) & 0xff] ) ^
+ rk[3];
+ PUTU32(pt + 12, s3);
}
-#endif /* INTERMEDIATE_VALUE_KAT */
+void (*aes_encrypt)(ulong rk[], int Nr, uchar pt[16], uchar ct[16]) = AESencrypt;
+void (*aes_decrypt)(ulong rk[], int Nr, uchar ct[16], uchar pt[16]) = AESdecrypt;
+
+void
+setupAESstate(AESstate *s, uchar key[], int nkey, uchar *ivec)
+{
+ static int (*aes_setup)(ulong erk[/* 4*(Nr + 1) */], ulong drk[/* 4*(Nr + 1) */], uchar key[], int nkey);
+
+ if(aes_setup == nil){
+ extern void *aesni_init(void);
+ if((aes_setup = aesni_init()) == nil)
+ aes_setup = AESsetup;
+ }
+ memset(s, 0, sizeof(*s));
+ if(nkey > AESmaxkey)
+ nkey = AESmaxkey;
+ memmove(s->key, key, nkey);
+ s->keybytes = nkey;
+ s->ctrsz = 4; /* default counter size from rfc3686 */
+ s->ekey = s->storage+16 - (s->storage - (uchar*)0 & 15);
+ s->dkey = (uchar*)s->ekey + 16*(AESmaxrounds+1);
+ s->rounds = (*aes_setup)(s->ekey, s->dkey, s->key, nkey);
+ if(ivec != nil)
+ memmove(s->ivec, ivec, AESbsize);
+ if(s->rounds != 0)
+ s->setup = 0xcafebabe;
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/aesCTR.c Mon Jun 28 17:01:07 2021
@@ -0,0 +1,69 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+/*
+ * AES-CTR mode, per rfc3686.
+ * CTRs could be precalculated for efficiency
+ * and there would also be less back and forth mp
+ */
+
+static void
+incrementCTR(uchar *p, uint ctrsz)
+{
+ int len;
+ ulong c;
+ uchar *ctr;
+ mpint *mpctr, *mpctrsz;
+
+ ctr = p + AESbsize - ctrsz;
+ if(ctrsz == 4){
+ /*
+ * If counter is 32 bits (as in rfc3686 and ssh2) there's
+ * no need to use extended precision.
+ */
+ c = 1 + (ctr[0]<<24 | ctr[1]<<16 | ctr[2]<<8 | ctr[3]);
+ ctr[0] = c>>24; ctr[1] = c>>16; ctr[2] = c>>8; ctr[3] = c;
+ return;
+ }
+ mpctr = betomp(ctr, ctrsz, nil);
+ mpctrsz = mpnew(ctrsz*8 + 1);
+ mpleft(mpone, ctrsz*8, mpctrsz);
+ mpadd(mpctr, mpone, mpctr);
+ mpmod(mpctr, mpctrsz, mpctr);
+ len = mptobe(mpctr, ctr, ctrsz, nil);
+ assert(len == ctrsz);
+ mpfree(mpctrsz);
+ mpfree(mpctr);
+}
+
+void
+aesCTRencrypt(uchar *p, int len, AESstate *s)
+{
+ uchar q[AESbsize];
+ uchar *ip, *eip, *ctr;
+
+ ctr = s->ivec;
+ for(; len >= AESbsize; len -= AESbsize){
+ ip = q;
+ aes_encrypt(s->ekey, s->rounds, ctr, q);
+ for(eip = p + AESbsize; p < eip; )
+ *p++ ^= *ip++;
+ incrementCTR(ctr, s->ctrsz);
+ }
+
+ if(len > 0){
+ ip = q;
+ aes_encrypt(s->ekey, s->rounds, ctr, q);
+ for(eip = p + len; p < eip; )
+ *p++ ^= *ip++;
+ incrementCTR(ctr, s->ctrsz);
+ }
+}
+
+void
+aesCTRdecrypt(uchar *p, int len, AESstate *s)
+{
+ aesCTRencrypt(p, len, s);
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/aesCBC.c Sat Jun 26 21:21:40 2021
@@ -0,0 +1,96 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+/*
+ * Define by analogy with desCBCencrypt; AES modes are not standardized yet.
+ * Because of the way that non-multiple-of-16 buffers are handled,
+ * the decryptor must be fed buffers of the same size as the encryptor.
+ */
+void
+aesCBCencrypt(uchar *p, int len, AESstate *s)
+{
+ uchar *ip, *eip;
+
+ if(((p-(uchar*)0) & 3) == 0){
+ for(; len >= AESbsize; len -= AESbsize){
+ ip = s->ivec;
+ ((u32int*)ip)[0] ^= ((u32int*)p)[0];
+ ((u32int*)ip)[1] ^= ((u32int*)p)[1];
+ ((u32int*)ip)[2] ^= ((u32int*)p)[2];
+ ((u32int*)ip)[3] ^= ((u32int*)p)[3];
+
+ aes_encrypt(s->ekey, s->rounds, ip, ip);
+
+ ((u32int*)p)[0] = ((u32int*)ip)[0];
+ ((u32int*)p)[1] = ((u32int*)ip)[1];
+ ((u32int*)p)[2] = ((u32int*)ip)[2];
+ ((u32int*)p)[3] = ((u32int*)ip)[3];
+ p += AESbsize;
+ }
+ } else {
+ for(; len >= AESbsize; len -= AESbsize){
+ ip = s->ivec;
+ for(eip = ip+AESbsize; ip < eip; )
+ *ip++ ^= *p++;
+ aes_encrypt(s->ekey, s->rounds, s->ivec, s->ivec);
+ memmove(p - AESbsize, s->ivec, AESbsize);
+ }
+ }
+
+ if(len > 0){
+ ip = s->ivec;
+ aes_encrypt(s->ekey, s->rounds, ip, ip);
+ for(eip = ip+len; ip < eip; )
+ *p++ ^= *ip++;
+ }
+}
+
+void
+aesCBCdecrypt(uchar *p, int len, AESstate *s)
+{
+ uchar *ip, *eip, *tp;
+ u32int t[4];
+
+ if(((p-(uchar*)0) & 3) == 0){
+ for(; len >= AESbsize; len -= AESbsize){
+ t[0] = ((u32int*)p)[0];
+ t[1] = ((u32int*)p)[1];
+ t[2] = ((u32int*)p)[2];
+ t[3] = ((u32int*)p)[3];
+
+ aes_decrypt(s->dkey, s->rounds, p, p);
+
+ ip = s->ivec;
+ ((u32int*)p)[0] ^= ((u32int*)ip)[0];
+ ((u32int*)p)[1] ^= ((u32int*)ip)[1];
+ ((u32int*)p)[2] ^= ((u32int*)ip)[2];
+ ((u32int*)p)[3] ^= ((u32int*)ip)[3];
+ p += AESbsize;
+
+ ((u32int*)ip)[0] = t[0];
+ ((u32int*)ip)[1] = t[1];
+ ((u32int*)ip)[2] = t[2];
+ ((u32int*)ip)[3] = t[3];
+ }
+ } else {
+ for(; len >= AESbsize; len -= AESbsize){
+ tp = (uchar*)t;
+ memmove(tp, p, AESbsize);
+ aes_decrypt(s->dkey, s->rounds, p, p);
+ ip = s->ivec;
+ for(eip = ip+AESbsize; ip < eip; ){
+ *p++ ^= *ip;
+ *ip++ = *tp++;
+ }
+ }
+ }
+
+ if(len > 0){
+ ip = s->ivec;
+ aes_encrypt(s->ekey, s->rounds, ip, ip);
+ for(eip = ip+len; ip < eip; )
+ *p++ ^= *ip++;
+ }
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/aesCFB.c Sat Jun 26 21:21:40 2021
@@ -0,0 +1,52 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+typedef ulong u32;
+
+void
+aesCFBencrypt(uchar *p, int len, AESstate *s)
+{
+ u32 a, o = s->offset;
+
+ while(len > 0){
+ if(o % 16){
+ Odd:
+ a = (s->ivec[o++ % 16] ^= *p), *p++ = a, len--;
+ continue;
+ }
+ aes_encrypt(s->ekey, s->rounds, s->ivec, s->ivec);
+ if(len < 16 || ((p-(uchar*)0) & 3) != 0)
+ goto Odd;
+ ((u32*)p)[0] = (((u32*)s->ivec)[0] ^= ((u32*)p)[0]);
+ ((u32*)p)[1] = (((u32*)s->ivec)[1] ^= ((u32*)p)[1]);
+ ((u32*)p)[2] = (((u32*)s->ivec)[2] ^= ((u32*)p)[2]);
+ ((u32*)p)[3] = (((u32*)s->ivec)[3] ^= ((u32*)p)[3]);
+ o += 16, p += 16, len -= 16;
+ }
+ s->offset = o;
+}
+
+void
+aesCFBdecrypt(uchar *p, int len, AESstate *s)
+{
+ u32 a, o = s->offset;
+
+ while(len > 0){
+ if(o % 16){
+ Odd:
+ a = *p, *p++ ^= s->ivec[o % 16], s->ivec[o++ % 16] = a, len--;
+ continue;
+ }
+ aes_encrypt(s->ekey, s->rounds, s->ivec, s->ivec);
+ if(len < 16 || ((p-(uchar*)0) & 3) != 0)
+ goto Odd;
+ a = ((u32*)p)[0], ((u32*)p)[0] ^= ((u32*)s->ivec)[0], ((u32*)s->ivec)[0] = a;
+ a = ((u32*)p)[1], ((u32*)p)[1] ^= ((u32*)s->ivec)[1], ((u32*)s->ivec)[1] = a;
+ a = ((u32*)p)[2], ((u32*)p)[2] ^= ((u32*)s->ivec)[2], ((u32*)s->ivec)[2] = a;
+ a = ((u32*)p)[3], ((u32*)p)[3] ^= ((u32*)s->ivec)[3], ((u32*)s->ivec)[3] = a;
+ o += 16, p += 16, len -= 16;
+ }
+ s->offset = o;
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/aesOFB.c Sat Jun 26 21:21:40 2021
@@ -0,0 +1,30 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+typedef ulong u32;
+
+void
+aesOFBencrypt(uchar *p, int len, AESstate *s)
+{
+ u32 o = s->offset;
+
+ while(len > 0){
+ if(o % 16){
+ Odd:
+ *p++ ^= s->ivec[o++ % 16], len--;
+ continue;
+ }
+ aes_encrypt(s->ekey, s->rounds, s->ivec, s->ivec);
+ if(len < 16 || ((p-(uchar*)0) & 3) != 0)
+ goto Odd;
+ ((u32*)p)[0] ^= ((u32*)s->ivec)[0];
+ ((u32*)p)[1] ^= ((u32*)s->ivec)[1];
+ ((u32*)p)[2] ^= ((u32*)s->ivec)[2];
+ ((u32*)p)[3] ^= ((u32*)s->ivec)[3];
+ o += 16, p += 16, len -= 16;
+ }
+ s->offset = o;
+}
+
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/aesXCBmac.c Sat Jun 26 21:21:40 2021
@@ -0,0 +1,95 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+/*
+ * AES-XCBC-MAC-96 message authentication, per rfc3566.
+ */
+static uchar basekey[3][16] = {
+ {
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+ },
+ {
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ },
+ {
+ 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
+ 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
+ },
+};
+
+void
+setupAESXCBCstate(AESstate *s) /* was setupmac96 */
+{
+ int i, j;
+ uint q[16 / sizeof(uint)];
+ uchar *p;
+
+ assert(s->keybytes == 16);
+ for(i = 0; i < 3; i++)
+ aes_encrypt(s->ekey, s->rounds, basekey[i],
+ s->mackey + AESbsize*i);
+
+ p = s->mackey;
+ memset(q, 0, AESbsize);
+
+ /*
+ * put the in the right endian. once figured, probably better
+ * to use some fcall macros.
+ * keys for encryption in local endianness for the algorithm...
+ * only key1 is used for encryption;
+ * BUG!!: I think this is what I got wrong.
+ */
+ for(i = 0; i < 16 / sizeof(uint); i ++){
+ for(j = 0; j < sizeof(uint); j++)
+ q[i] |= p[sizeof(uint)-j-1] << 8*j;
+ p += sizeof(uint);
+ }
+ memmove(s->mackey, q, 16);
+}
+
+/*
+ * Not dealing with > 128-bit keys, not dealing with strange corner cases like
+ * empty message. Should be fine for AES-XCBC-MAC-96.
+ */
+uchar*
+aesXCBCmac(uchar *p, int len, AESstate *s)
+{
+ uchar *p2, *ip, *eip, *mackey;
+ uchar q[AESbsize];
+
+ assert(s->keybytes == 16); /* more complicated for bigger */
+ memset(s->ivec, 0, AESbsize); /* E[0] is 0+ */
+
+ for(; len > AESbsize; len -= AESbsize){
+ memmove(q, p, AESbsize);
+ p2 = q;
+ ip = s->ivec;
+ for(eip = ip + AESbsize; ip < eip; )
+ *p2++ ^= *ip++;
+ aes_encrypt((ulong *)s->mackey, s->rounds, q, s->ivec);
+ p += AESbsize;
+ }
+ /* the last one */
+
+ memmove(q, p, len);
+ p2 = q+len;
+ if(len == AESbsize)
+ mackey = s->mackey + AESbsize; /* k2 */
+ else{
+ mackey = s->mackey+2*AESbsize; /* k3 */
+ *p2++ = 1 << 7; /* padding */
+ len = AESbsize - len - 1;
+ memset(p2, 0, len);
+ }
+
+ ip = s->ivec;
+ p2 = q;
+ for(eip = ip + AESbsize; ip < eip; )
+ *p2++ ^= *ip++ ^ *mackey++;
+ aes_encrypt((ulong *)s->mackey, s->rounds, q, s->ivec);
+ return s->ivec; /* only the 12 bytes leftmost */
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/aes_gcm.c Sat Jun 26 21:21:40 2021
@@ -0,0 +1,201 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+static void
+load128(uchar b[16], ulong W[4])
+{
+ W[0] = (ulong)b[15] | (ulong)b[14]<<8 | (ulong)b[13]<<16 | (ulong)b[12]<<24;
+ W[1] = (ulong)b[11] | (ulong)b[10]<<8 | (ulong)b[ 9]<<16 | (ulong)b[ 8]<<24;
+ W[2] = (ulong)b[ 7] | (ulong)b[ 6]<<8 | (ulong)b[ 5]<<16 | (ulong)b[ 4]<<24;
+ W[3] = (ulong)b[ 3] | (ulong)b[ 2]<<8 | (ulong)b[ 1]<<16 | (ulong)b[ 0]<<24;
+}
+
+static void
+store128(ulong W[4], uchar b[16])
+{
+ b[15] = W[0], b[14] = W[0]>>8, b[13] = W[0]>>16, b[12] = W[0]>>24;
+ b[11] = W[1], b[10] = W[1]>>8, b[ 9] = W[1]>>16, b[ 8] = W[1]>>24;
+ b[ 7] = W[2], b[ 6] = W[2]>>8, b[ 5] = W[2]>>16, b[ 4] = W[2]>>24;
+ b[ 3] = W[3], b[ 2] = W[3]>>8, b[ 1] = W[3]>>16, b[ 0] = W[3]>>24;
+}
+
+static void
+gfmul(ulong X[4], ulong Y[4], ulong Z[4])
+{
+ long m, i;
+
+ Z[0] = Z[1] = Z[2] = Z[3] = 0;
+ for(i=127; i>=0; i--){
+ m = ((long)Y[i>>5] << 31-(i&31)) >> 31;
+ Z[0] ^= X[0] & m;
+ Z[1] ^= X[1] & m;
+ Z[2] ^= X[2] & m;
+ Z[3] ^= X[3] & m;
+ m = ((long)X[0]<<31) >> 31;
+ X[0] = X[0]>>1 | X[1]<<31;
+ X[1] = X[1]>>1 | X[2]<<31;
+ X[2] = X[2]>>1 | X[3]<<31;
+ X[3] = X[3]>>1 ^ (0xE1000000 & m);
+ }
+}
+
+static void
+prepareM(ulong H[4], ulong M[16][256][4])
+{
+ ulong X[4], i, j;
+
+ for(i=0; i<16; i++){
+ for(j=0; j<256; j++){
+ X[0] = X[1] = X[2] = X[3] = 0;
+ X[i>>2] = j<<((i&3)<<3);
+ gfmul(X, H, M[i][j]);
+ }
+ }
+}
+
+static void
+ghash1(AESGCMstate *s, ulong X[4], ulong Y[4])
+{
+ ulong *Xi, i;
+
+ X[0] ^= Y[0], X[1] ^= Y[1], X[2] ^= Y[2], X[3] ^= Y[3];
+ if(0){
+ gfmul(X, s->H, Y);
+ return;
+ }
+
+ Y[0] = Y[1] = Y[2] = Y[3] = 0;
+ for(i=0; i<16; i++){
+ Xi = s->M[i][(X[i>>2]>>((i&3)<<3))&0xFF];
+ Y[0] ^= Xi[0];
+ Y[1] ^= Xi[1];
+ Y[2] ^= Xi[2];
+ Y[3] ^= Xi[3];
+ }
+}
+
+static void
+ghashn(AESGCMstate *s, uchar *dat, ulong len, ulong Y[4])
+{
+ uchar tmp[16];
+ ulong X[4];
+
+ while(len >= 16){
+ load128(dat, X);
+ ghash1(s, X, Y);
+ dat += 16, len -= 16;
+ }
+ if(len > 0){
+ memmove(tmp, dat, len);
+ memset(tmp+len, 0, 16-len);
+ load128(tmp, X);
+ ghash1(s, X, Y);
+ }
+}
+
+static ulong
+aesxctr1(AESstate *s, uchar ctr[AESbsize], uchar *dat, ulong len)
+{
+ uchar tmp[AESbsize];
+ ulong i;
+
+ aes_encrypt(s->ekey, s->rounds, ctr, tmp);
+ if(len > AESbsize)
+ len = AESbsize;
+ for(i=0; i<len; i++)
+ dat[i] ^= tmp[i];
+ return len;
+}
+
+static void
+aesxctrn(AESstate *s, uchar *dat, ulong len)
+{
+ uchar ctr[AESbsize];
+ ulong i;
+
+ memmove(ctr, s->ivec, AESbsize);
+ while(len > 0){
+ for(i=AESbsize-1; i>=AESbsize-4; i--)
+ if(++ctr[i] != 0)
+ break;
+
+ if(aesxctr1(s, ctr, dat, len) < AESbsize)
+ break;
+ dat += AESbsize;
+ len -= AESbsize;
+ }
+}
+
+void
+aesgcm_setiv(AESGCMstate *s, uchar *iv, int ivlen)
+{
+ if(ivlen == 96/8){
+ memmove(s->ivec, iv, ivlen);
+ memset(s->ivec+ivlen, 0, AESbsize-ivlen);
+ s->ivec[AESbsize-1] = 1;
+ } else {
+ ulong L[4], Y[4] = {0};
+
+ ghashn(s, iv, ivlen, Y);
+ L[0] = ivlen << 3;
+ L[1] = ivlen >> 29;
+ L[2] = L[3] = 0;
+ ghash1(s, L, Y);
+ store128(Y, s->ivec);
+ }
+}
+
+void
+setupAESGCMstate(AESGCMstate *s, uchar *key, int keylen, uchar *iv, int ivlen)
+{
+ setupAESstate(s, key, keylen, nil);
+
+ memset(s->ivec, 0, AESbsize);
+ aes_encrypt(s->ekey, s->rounds, s->ivec, s->ivec);
+ load128(s->ivec, s->H);
+ memset(s->ivec, 0, AESbsize);
+ prepareM(s->H, s->M);
+
+ if(iv != nil && ivlen > 0)
+ aesgcm_setiv(s, iv, ivlen);
+}
+
+void
+aesgcm_encrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], AESGCMstate *s)
+{
+ ulong L[4], Y[4] = {0};
+
+ ghashn(s, aad, naad, Y);
+ aesxctrn(s, dat, ndat);
+ ghashn(s, dat, ndat, Y);
+ L[0] = ndat << 3;
+ L[1] = ndat >> 29;
+ L[2] = naad << 3;
+ L[3] = naad >> 29;
+ ghash1(s, L, Y);
+ store128(Y, tag);
+ aesxctr1(s, s->ivec, tag, 16);
+}
+
+int
+aesgcm_decrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], AESGCMstate *s)
+{
+ ulong L[4], Y[4] = {0};
+ uchar tmp[16];
+
+ ghashn(s, aad, naad, Y);
+ ghashn(s, dat, ndat, Y);
+ L[0] = ndat << 3;
+ L[1] = ndat >> 29;
+ L[2] = naad << 3;
+ L[3] = naad >> 29;
+ ghash1(s, L, Y);
+ store128(Y, tmp);
+ aesxctr1(s, s->ivec, tmp, 16);
+ if(tsmemcmp(tag, tmp, 16) != 0)
+ return -1;
+ aesxctrn(s, dat, ndat);
+ return 0;
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/aes_xts.c Sat Jun 26 21:21:40 2021
@@ -0,0 +1,85 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+/* little-endian data order */
+#define GET4(p) ((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24))
+#define PUT4(p,v) (p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24
+
+static void
+gf_mulx(uchar *x)
+{
+ ulong t0, t1, t2, t3, t4;
+
+ t0 = GET4(x);
+ t1 = GET4(x+4);
+ t2 = GET4(x+8);
+ t3 = GET4(x+12);
+
+ t4 = (t3 >> 31);
+ t3 = (t3 << 1) | (t2 >> 31);
+ t2 = (t2 << 1) | (t1 >> 31);
+ t1 = (t1 << 1) | (t0 >> 31);
+ t0 = (t0 << 1) ^ (t4*135);
+
+ PUT4(x, t0);
+ PUT4(x+4, t1);
+ PUT4(x+8, t2);
+ PUT4(x+12, t3);
+}
+
+static void
+xor128(uchar *o, uchar *i1, uchar *i2)
+{
+ int i;
+
+ for(i=0; i<16; i++)
+ o[i] = i1[i] ^ i2[i];
+}
+
+static void
+setupT(AESstate *tweak, uvlong sectorNumber, uchar T[AESbsize])
+{
+ PUT4(T+0, (ulong)sectorNumber), sectorNumber >>= 32;
+ PUT4(T+4, (ulong)sectorNumber);
+ PUT4(T+8, 0);
+ PUT4(T+12, 0);
+ aes_encrypt(tweak->ekey, tweak->rounds, T, T);
+}
+
+void
+aes_xts_encrypt(AESstate *tweak, AESstate *ecb,
+ uvlong sectorNumber, uchar *input, uchar *output, ulong len)
+{
+ uchar T[AESbsize], x[AESbsize];
+
+ if(len % AESbsize)
+ abort();
+
+ setupT(tweak, sectorNumber, T);
+ for (; len > 0; len -= AESbsize, input += AESbsize, output += AESbsize) {
+ xor128(x, input, T);
+ aes_encrypt(ecb->ekey, ecb->rounds, x, x);
+ xor128(output, x, T);
+ gf_mulx(T);
+ }
+}
+
+void
+aes_xts_decrypt(AESstate *tweak, AESstate *ecb,
+ uvlong sectorNumber, uchar *input, uchar *output, ulong len)
+{
+ uchar T[AESbsize], x[AESbsize];
+
+ if(len % AESbsize)
+ abort();
+
+ setupT(tweak, sectorNumber, T);
+ for (; len > 0; len -= AESbsize, input += AESbsize, output += AESbsize) {
+ xor128(x, input, T);
+ aes_decrypt(ecb->dkey, ecb->rounds, x, x);
+ xor128(output, x, T);
+ gf_mulx(T);
+ }
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/aesgcmtest.c Sat Jun 26 21:21:40 2021
@@ -0,0 +1,314 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+typedef struct Test Test;
+struct Test
+{
+ char *K;
+ char *P;
+ char *A;
+ char *IV;
+ char *T;
+};
+
+Test tests[] = {
+ { /* Test Case 1 */
+ "00000000000000000000000000000000",
+ "",
+ "",
+ "000000000000000000000000",
+
+ "58E2FCCEFA7E3061367F1D57A4E7455A"
+ },
+ { /* Test Case 2 */
+ "00000000000000000000000000000000",
+ "00000000000000000000000000000000",
+ "",
+ "000000000000000000000000",
+
+ "AB6E47D42CEC13BDF53A67B21257BDDF",
+ },
+ { /* Test Case 3 */
+ "feffe9928665731c6d6a8f9467308308",
+ "d9313225f88406e5a55909c5aff5269a"
+ "86a7a9531534f7da2e4c303d8a318a72"
+ "1c3c0c95956809532fcf0e2449a6b525"
+ "b16aedf5aa0de657ba637b391aafd255",
+ "",
+ "cafebabefacedbaddecaf888",
+
+ "4D5C2AF327CD64A62CF35ABD2BA6FAB4"
+ },
+ { /* Test Case 4 */
+ "feffe9928665731c6d6a8f9467308308",
+ "d9313225f88406e5a55909c5aff5269a"
+ "86a7a9531534f7da2e4c303d8a318a72"
+ "1c3c0c95956809532fcf0e2449a6b525"
+ "b16aedf5aa0de657ba637b39",
+ "feedfacedeadbeeffeedfacedeadbeef"
+ "abaddad2",
+ "cafebabefacedbaddecaf888",
+
+ "5BC94FBC3221A5DB94FAE95AE7121A47"
+ },
+ { /* Test Case 5 */
+ "feffe9928665731c6d6a8f9467308308",
+ "d9313225f88406e5a55909c5aff5269a"
+ "86a7a9531534f7da2e4c303d8a318a72"
+ "1c3c0c95956809532fcf0e2449a6b525"
+ "b16aedf5aa0de657ba637b39",
+ "feedfacedeadbeeffeedfacedeadbeef"
+ "abaddad2",
+ "cafebabefacedbad",
+
+ "3612D2E79E3B0785561BE14AACA2FCCB"
+ },
+ { /* Test Case 6 */
+ "feffe9928665731c6d6a8f9467308308",
+ "d9313225f88406e5a55909c5aff5269a"
+ "86a7a9531534f7da2e4c303d8a318a72"
+ "1c3c0c95956809532fcf0e2449a6b525"
+ "b16aedf5aa0de657ba637b39",
+ "feedfacedeadbeeffeedfacedeadbeef"
+ "abaddad2",
+ "9313225df88406e555909c5aff5269aa"
+ "6a7a9538534f7da1e4c303d2a318a728"
+ "c3c0c95156809539fcf0e2429a6b5254"
+ "16aedbf5a0de6a57a637b39b",
+
+ "619CC5AEFFFE0BFA462AF43C1699D050"
+ },
+ { /* Test Case 7 */
+ "00000000000000000000000000000000"
+ "0000000000000000",
+ "",
+ "",
+ "000000000000000000000000",
+
+ "CD33B28AC773F74BA00ED1F312572435"
+ },
+ { /* Test Case 8 */
+ "00000000000000000000000000000000"
+ "0000000000000000",
+ "00000000000000000000000000000000",
+ "",
+ "000000000000000000000000",
+
+ "2FF58D80033927AB8EF4D4587514F0FB"
+ },
+ { /* Test Case 9 */
+ "feffe9928665731c6d6a8f9467308308"
+ "feffe9928665731c",
+ "d9313225f88406e5a55909c5aff5269a"
+ "86a7a9531534f7da2e4c303d8a318a72"
+ "1c3c0c95956809532fcf0e2449a6b525"
+ "b16aedf5aa0de657ba637b391aafd255",
+ "",
+ "cafebabefacedbaddecaf888",
+
+ "9924A7C8587336BFB118024DB8674A14"
+ },
+ { /* Test Case 10 */
+ "feffe9928665731c6d6a8f9467308308"
+ "feffe9928665731c",
+ "d9313225f88406e5a55909c5aff5269a"
+ "86a7a9531534f7da2e4c303d8a318a72"
+ "1c3c0c95956809532fcf0e2449a6b525"
+ "b16aedf5aa0de657ba637b39",
+ "feedfacedeadbeeffeedfacedeadbeef"
+ "abaddad2",
+ "cafebabefacedbaddecaf888",
+
+ "2519498E80F1478F37BA55BD6D27618C"
+ },
+ { /* Test Case 11 */
+ "feffe9928665731c6d6a8f9467308308"
+ "feffe9928665731c",
+ "d9313225f88406e5a55909c5aff5269a"
+ "86a7a9531534f7da2e4c303d8a318a72"
+ "1c3c0c95956809532fcf0e2449a6b525"
+ "b16aedf5aa0de657ba637b39",
+ "feedfacedeadbeeffeedfacedeadbeef"
+ "abaddad2",
+ "cafebabefacedbad",
+
+ "65DCC57FCF623A24094FCCA40D3533F8"
+ },
+ { /* Test Case 12 */
+ "feffe9928665731c6d6a8f9467308308"
+ "feffe9928665731c",
+ "d9313225f88406e5a55909c5aff5269a"
+ "86a7a9531534f7da2e4c303d8a318a72"
+ "1c3c0c95956809532fcf0e2449a6b525"
+ "b16aedf5aa0de657ba637b39",
+ "feedfacedeadbeeffeedfacedeadbeef"
+ "abaddad2",
+ "9313225df88406e555909c5aff5269aa"
+ "6a7a9538534f7da1e4c303d2a318a728"
+ "c3c0c95156809539fcf0e2429a6b5254"
+ "16aedbf5a0de6a57a637b39b",
+
+ "DCF566FF291C25BBB8568FC3D376A6D9"
+ },
+ { /* Test Case 13 */
+ "00000000000000000000000000000000"
+ "00000000000000000000000000000000",
+ "",
+ "",
+ "000000000000000000000000",
+
+ "530F8AFBC74536B9A963B4F1C4CB738B"
+ },
+ { /* Test Case 14 */
+ "00000000000000000000000000000000"
+ "00000000000000000000000000000000",
+ "00000000000000000000000000000000",
+ "",
+ "000000000000000000000000",
+
+ "D0D1C8A799996BF0265B98B5D48AB919"
+ },
+ { /* Test Case 15 */
+ "feffe9928665731c6d6a8f9467308308"
+ "feffe9928665731c6d6a8f9467308308",
+ "d9313225f88406e5a55909c5aff5269a"
+ "86a7a9531534f7da2e4c303d8a318a72"
+ "1c3c0c95956809532fcf0e2449a6b525"
+ "b16aedf5aa0de657ba637b391aafd255",
+ "",
+ "cafebabefacedbaddecaf888",
+
+ "B094DAC5D93471BDEC1A502270E3CC6C"
+ },
+ { /* Test Case 16 */
+ "feffe9928665731c6d6a8f9467308308"
+ "feffe9928665731c6d6a8f9467308308",
+ "d9313225f88406e5a55909c5aff5269a"
+ "86a7a9531534f7da2e4c303d8a318a72"
+ "1c3c0c95956809532fcf0e2449a6b525"
+ "b16aedf5aa0de657ba637b39",
+ "feedfacedeadbeeffeedfacedeadbeef"
+ "abaddad2",
+ "cafebabefacedbaddecaf888",
+
+ "76FC6ECE0F4E1768CDDF8853BB2D551B"
+ },
+ { /* Test Case 17 */
+ "feffe9928665731c6d6a8f9467308308"
+ "feffe9928665731c6d6a8f9467308308",
+ "d9313225f88406e5a55909c5aff5269a"
+ "86a7a9531534f7da2e4c303d8a318a72"
+ "1c3c0c95956809532fcf0e2449a6b525"
+ "b16aedf5aa0de657ba637b39",
+ "feedfacedeadbeeffeedfacedeadbeef"
+ "abaddad2",
+ "cafebabefacedbad",
+
+ "3A337DBF46A792C45E454913FE2EA8F2"
+ },
+ { /* Test Case 18 */
+ "feffe9928665731c6d6a8f9467308308"
+ "feffe9928665731c6d6a8f9467308308",
+ "d9313225f88406e5a55909c5aff5269a"
+ "86a7a9531534f7da2e4c303d8a318a72"
+ "1c3c0c95956809532fcf0e2449a6b525"
+ "b16aedf5aa0de657ba637b39",
+ "feedfacedeadbeeffeedfacedeadbeef"
+ "abaddad2",
+ "9313225df88406e555909c5aff5269aa"
+ "6a7a9538534f7da1e4c303d2a318a728"
+ "c3c0c95156809539fcf0e2429a6b5254"
+ "16aedbf5a0de6a57a637b39b",
+
+ "A44A8266EE1C8EB0C8B5D4CF5AE9F19A"
+ },
+};
+
+int
+parsehex(char *s, uchar *h, char *l)
+{
+ char *e;
+ mpint *m;
+ int n;
+
+ n = strlen(s);
+ if(n == 0)
+ return 0;
+ assert((n & 1) == 0);
+ n >>= 1;
+ e = nil;
+ m = strtomp(s, &e, 16, nil);
+ if(m == nil || *e != '\0')
+ abort();
+ mptober(m, h, n);
+ if(l != nil)
+ print("%s = %.*H\n", l, n, h);
+ return n;
+}
+
+void
+runtest(Test *t)
+{
+ AESGCMstate s;
+ uchar key[1024], plain[1024], aad[1024], iv[1024], tag[16], tmp[16];
+ int nkey, nplain, naad, niv;
+
+ nkey = parsehex(t->K, key, "K");
+ nplain = parsehex(t->P, plain, "P");
+ naad = parsehex(t->A, aad, "A");
+ niv = parsehex(t->IV, iv, "IV");
+
+ setupAESGCMstate(&s, key, nkey, iv, niv);
+ aesgcm_encrypt(plain, nplain, aad, naad, tag, &s);
+ print("C = %.*H\n", nplain, plain);
+ print("T = %.*H\n", 16, tag);
+
+ parsehex(t->T, tmp, nil);
+ assert(memcmp(tmp, tag, 16) == 0);
+}
+
+void
+perftest(void)
+{
+ AESGCMstate s;
+ static uchar zeros[16];
+ uchar buf[1024*1024], tag[16];
+ vlong now;
+ int i, delta;
+
+ now = nsec();
+ for(i=0; i<100; i++){
+ memset(buf, 0, sizeof(buf));
+ if(1){
+ setupAESGCMstate(&s, zeros, 16, zeros, 12);
+ aesgcm_encrypt(buf, sizeof(buf), nil, 0, tag, &s);
+ } else {
+ setupAESstate(&s, zeros, 16, zeros);
+ aesCBCencrypt(buf, sizeof(buf), &s);
+ }
+ }
+ delta = (nsec() - now) / 1000000000LL;
+ fprint(2, "%ds = %d/s\n", delta, i*sizeof(buf) / delta);
+}
+
+void
+main(int argc, char **argv)
+{
+ int i;
+
+ fmtinstall('H', encodefmt);
+
+ ARGBEGIN {
+ case 'p':
+ perftest();
+ exits(nil);
+ } ARGEND;
+
+ for(i=0; i<nelem(tests); i++){
+ print("Test Case %d\n", i+1);
+ runtest(&tests[i]);
+ print("\n");
+ }
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/aesni.c Sat Jun 26 21:21:40 2021
@@ -0,0 +1,5 @@
+void*
+aesni_init(void)
+{
+ return 0;
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/bftest.c Sat Jun 26 21:21:40 2021
@@ -0,0 +1,279 @@
+#include <u.h>
+#include <libc.h>
+#include <libsec.h>
+
+enum{
+ Bsz = 8,
+};
+
+typedef struct Testvector Testvector;
+
+struct Testvector{
+ uchar key[Bsz];
+ uchar plain[Bsz];
+ uchar cipher[Bsz];
+};
+
+/*
+ * Blowfish test vectors from https://www.schneier.com/code/vectors.txt
+ */
+Testvector vector [] = {
+ {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ {0x4E, 0xF9, 0x97, 0x45, 0x61, 0x98, 0xDD, 0x78}},
+
+ {{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
+ {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
+ {0x51, 0x86, 0x6F, 0xD5, 0xB8, 0x5E, 0xCB, 0x8A}},
+
+ {{0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ {0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
+ {0x7D, 0x85, 0x6F, 0x9A, 0x61, 0x30, 0x63, 0xF2}},
+
+ {{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},
+ {0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},
+ {0x24, 0x66, 0xDD, 0x87, 0x8B, 0x96, 0x3C, 0x9D}},
+
+ {{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
+ {0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},
+ {0x61, 0xF9, 0xC3, 0x80, 0x22, 0x81, 0xB0, 0x96}},
+
+ {{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11},
+ {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
+ {0x7D, 0x0C, 0xC6, 0x30, 0xAF, 0xDA, 0x1E, 0xC7}},
+
+ {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ {0x4E, 0xF9, 0x97, 0x45, 0x61, 0x98, 0xDD, 0x78}},
+
+ {{0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10},
+ {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
+ {0x0A, 0xCE, 0xAB, 0x0F, 0xC6, 0xA0, 0xA2, 0x8D}},
+
+ {{0x7C, 0xA1, 0x10, 0x45, 0x4A, 0x1A, 0x6E, 0x57},
+ {0x01, 0xA1, 0xD6, 0xD0, 0x39, 0x77, 0x67, 0x42},
+ {0x59, 0xC6, 0x82, 0x45, 0xEB, 0x05, 0x28, 0x2B}},
+
+ {{0x01, 0x31, 0xD9, 0x61, 0x9D, 0xC1, 0x37, 0x6E},
+ {0x5C, 0xD5, 0x4C, 0xA8, 0x3D, 0xEF, 0x57, 0xDA},
+ {0xB1, 0xB8, 0xCC, 0x0B, 0x25, 0x0F, 0x09, 0xA0}},
+
+ {{0x07, 0xA1, 0x13, 0x3E, 0x4A, 0x0B, 0x26, 0x86},
+ {0x02, 0x48, 0xD4, 0x38, 0x06, 0xF6, 0x71, 0x72},
+ {0x17, 0x30, 0xE5, 0x77, 0x8B, 0xEA, 0x1D, 0xA4}},
+
+ {{0x38, 0x49, 0x67, 0x4C, 0x26, 0x02, 0x31, 0x9E},
+ {0x51, 0x45, 0x4B, 0x58, 0x2D, 0xDF, 0x44, 0x0A},
+ {0xA2, 0x5E, 0x78, 0x56, 0xCF, 0x26, 0x51, 0xEB}},
+
+ {{0x04, 0xB9, 0x15, 0xBA, 0x43, 0xFE, 0xB5, 0xB6},
+ {0x42, 0xFD, 0x44, 0x30, 0x59, 0x57, 0x7F, 0xA2},
+ {0x35, 0x38, 0x82, 0xB1, 0x09, 0xCE, 0x8F, 0x1A}},
+
+ {{0x01, 0x13, 0xB9, 0x70, 0xFD, 0x34, 0xF2, 0xCE},
+ {0x05, 0x9B, 0x5E, 0x08, 0x51, 0xCF, 0x14, 0x3A},
+ {0x48, 0xF4, 0xD0, 0x88, 0x4C, 0x37, 0x99, 0x18}},
+
+ {{0x01, 0x70, 0xF1, 0x75, 0x46, 0x8F, 0xB5, 0xE6},
+ {0x07, 0x56, 0xD8, 0xE0, 0x77, 0x47, 0x61, 0xD2},
+ {0x43, 0x21, 0x93, 0xB7, 0x89, 0x51, 0xFC, 0x98}},
+
+ {{0x43, 0x29, 0x7F, 0xAD, 0x38, 0xE3, 0x73, 0xFE},
+ {0x76, 0x25, 0x14, 0xB8, 0x29, 0xBF, 0x48, 0x6A},
+ {0x13, 0xF0, 0x41, 0x54, 0xD6, 0x9D, 0x1A, 0xE5}},
+
+ {{0x07, 0xA7, 0x13, 0x70, 0x45, 0xDA, 0x2A, 0x16},
+ {0x3B, 0xDD, 0x11, 0x90, 0x49, 0x37, 0x28, 0x02},
+ {0x2E, 0xED, 0xDA, 0x93, 0xFF, 0xD3, 0x9C, 0x79}},
+
+ {{0x04, 0x68, 0x91, 0x04, 0xC2, 0xFD, 0x3B, 0x2F},
+ {0x26, 0x95, 0x5F, 0x68, 0x35, 0xAF, 0x60, 0x9A},
+ {0xD8, 0x87, 0xE0, 0x39, 0x3C, 0x2D, 0xA6, 0xE3}},
+
+ {{0x37, 0xD0, 0x6B, 0xB5, 0x16, 0xCB, 0x75, 0x46},
+ {0x16, 0x4D, 0x5E, 0x40, 0x4F, 0x27, 0x52, 0x32},
+ {0x5F, 0x99, 0xD0, 0x4F, 0x5B, 0x16, 0x39, 0x69}},
+
+ {{0x1F, 0x08, 0x26, 0x0D, 0x1A, 0xC2, 0x46, 0x5E},
+ {0x6B, 0x05, 0x6E, 0x18, 0x75, 0x9F, 0x5C, 0xCA},
+ {0x4A, 0x05, 0x7A, 0x3B, 0x24, 0xD3, 0x97, 0x7B}},
+
+ {{0x58, 0x40, 0x23, 0x64, 0x1A, 0xBA, 0x61, 0x76},
+ {0x00, 0x4B, 0xD6, 0xEF, 0x09, 0x17, 0x60, 0x62},
+ {0x45, 0x20, 0x31, 0xC1, 0xE4, 0xFA, 0xDA, 0x8E}},
+
+ {{0x02, 0x58, 0x16, 0x16, 0x46, 0x29, 0xB0, 0x07},
+ {0x48, 0x0D, 0x39, 0x00, 0x6E, 0xE7, 0x62, 0xF2},
+ {0x75, 0x55, 0xAE, 0x39, 0xF5, 0x9B, 0x87, 0xBD}},
+
+ {{0x49, 0x79, 0x3E, 0xBC, 0x79, 0xB3, 0x25, 0x8F},
+ {0x43, 0x75, 0x40, 0xC8, 0x69, 0x8F, 0x3C, 0xFA},
+ {0x53, 0xC5, 0x5F, 0x9C, 0xB4, 0x9F, 0xC0, 0x19}},
+
+ {{0x4F, 0xB0, 0x5E, 0x15, 0x15, 0xAB, 0x73, 0xA7},
+ {0x07, 0x2D, 0x43, 0xA0, 0x77, 0x07, 0x52, 0x92},
+ {0x7A, 0x8E, 0x7B, 0xFA, 0x93, 0x7E, 0x89, 0xA3}},
+
+ {{0x49, 0xE9, 0x5D, 0x6D, 0x4C, 0xA2, 0x29, 0xBF},
+ {0x02, 0xFE, 0x55, 0x77, 0x81, 0x17, 0xF1, 0x2A},
+ {0xCF, 0x9C, 0x5D, 0x7A, 0x49, 0x86, 0xAD, 0xB5}},
+
+ {{0x01, 0x83, 0x10, 0xDC, 0x40, 0x9B, 0x26, 0xD6},
+ {0x1D, 0x9D, 0x5C, 0x50, 0x18, 0xF7, 0x28, 0xC2},
+ {0xD1, 0xAB, 0xB2, 0x90, 0x65, 0x8B, 0xC7, 0x78}},
+
+ {{0x1C, 0x58, 0x7F, 0x1C, 0x13, 0x92, 0x4F, 0xEF},
+ {0x30, 0x55, 0x32, 0x28, 0x6D, 0x6F, 0x29, 0x5A},
+ {0x55, 0xCB, 0x37, 0x74, 0xD1, 0x3E, 0xF2, 0x01}},
+
+ {{0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
+ {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
+ {0xFA, 0x34, 0xEC, 0x48, 0x47, 0xB2, 0x68, 0xB2}},
+
+ {{0x1F, 0x1F, 0x1F, 0x1F, 0x0E, 0x0E, 0x0E, 0x0E},
+ {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
+ {0xA7, 0x90, 0x79, 0x51, 0x08, 0xEA, 0x3C, 0xAE}},
+
+ {{0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1, 0xFE},
+ {0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
+ {0xC3, 0x9E, 0x07, 0x2D, 0x9F, 0xAC, 0x63, 0x1D}},
+
+ {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
+ {0x01, 0x49, 0x33, 0xE0, 0xCD, 0xAF, 0xF6, 0xE4}},
+
+ {{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ {0xF2, 0x1E, 0x9A, 0x77, 0xB7, 0x1C, 0x49, 0xBC}},
+
+ {{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF},
+ {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ {0x24, 0x59, 0x46, 0x88, 0x57, 0x54, 0x36, 0x9A}},
+
+ {{0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10},
+ {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
+ {0x6B, 0x5C, 0x5A, 0x9C, 0x5D, 0x9E, 0x0A, 0x5A}}
+};
+
+uchar CBCkey[16] = {
+ 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
+ 0xF0, 0xE1, 0xD2, 0xC3, 0xB4, 0xA5, 0x96, 0x87
+};
+
+uchar CBCiv[8] = {
+ 0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10
+};
+
+uchar CBCdata[29] = {
+ 0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x20,
+ 0x4E, 0x6F, 0x77, 0x20, 0x69, 0x73, 0x20, 0x74,
+ 0x68, 0x65, 0x20, 0x74, 0x69, 0x6D, 0x65, 0x20,
+ 0x66, 0x6F, 0x72, 0x20, 0x00
+};
+
+uchar CBCcipher[32] = {
+ 0x6B, 0x77, 0xB4, 0xD6, 0x30, 0x06, 0xDE, 0xE6,
+ 0x05, 0xB1, 0x56, 0xE2, 0x74, 0x03, 0x97, 0x93,
+ 0x58, 0xDE, 0xB9, 0xE7, 0x15, 0x46, 0x16, 0xD9,
+ 0x59, 0xF1, 0x65, 0x2B, 0xD5, 0xFF, 0x92, 0xCC
+};
+
+int
+testECB(Testvector *t)
+{
+ BFstate s;
+ int i;
+ uchar aux[Bsz];
+
+ memcpy(aux, t->plain, Bsz);
+
+ memset(&s, 0, sizeof(BFstate));
+ setupBFstate(&s, t->key, Bsz, nil);
+ bfECBencrypt(aux, Bsz, &s);
+
+ if(memcmp(aux, t->cipher, Bsz) != 0){
+ fprint(2, "ECB encrypt failed, ciphertext is:\n");
+ for(i = 0; i < Bsz; i++)
+ fprint(2, "%02X", aux[i]);
+ fprint(2, "\nand should be:\n");
+ for(i = 0; i < Bsz; i++)
+ fprint(2, "%02X", t->cipher[i]);
+ fprint(2, "\n");
+ return -1;
+ }
+
+ memset(&s, 0, sizeof(BFstate));
+ setupBFstate(&s, t->key, Bsz, nil);
+ bfECBdecrypt(aux, Bsz, &s);
+
+ if(memcmp(aux, t->plain, Bsz) != 0){
+ fprint(2, "ECB decrypt failed, plaintext is:\n");
+ for(i = 0; i < Bsz; i++)
+ fprint(2, "%02X", aux[i]);
+ fprint(2, "\nand should be:\n");
+ for(i = 0; i < Bsz; i++)
+ fprint(2, "%02X", t->plain[i]);
+ fprint(2, "\n");
+ return -1;
+ }
+ return 0;
+}
+
+int
+testCBC(void)
+{
+ BFstate s;
+ uchar aux[32];
+ int i;
+
+ memset(aux, 0 , sizeof(aux));
+ memcpy(aux, CBCdata, sizeof(CBCdata));
+ memset(&s, 0, sizeof(BFstate));
+ setupBFstate(&s, CBCkey, sizeof(CBCkey), CBCiv);
+ bfCBCencrypt(aux, 32, &s);
+
+ if(memcmp(aux, CBCcipher, sizeof(CBCcipher)) != 0){
+ fprint(2, "CBC encrypt failed, ciphertext is:\n");
+ for(i = 0; i < sizeof(aux); i++)
+ fprint(2, "%02X", aux[i]);
+ fprint(2, "\nand should be:\n");
+ for(i = 0; i < sizeof(CBCcipher); i++)
+ fprint(2, "%02X", CBCcipher[i]);
+ fprint(2, "\n");
+ return -1;
+ }
+
+ memset(&s, 0, sizeof(BFstate));
+ setupBFstate(&s, CBCkey, sizeof(CBCkey), CBCiv);
+ bfCBCdecrypt(aux, 32, &s);
+
+ if(memcmp(aux, CBCdata, sizeof(CBCdata)) != 0){
+ fprint(2, "CBC decrypt failed, plaintext is:\n");
+ for(i = 0; i < sizeof(aux); i++)
+ fprint(2, "%02X", aux[i]);
+ fprint(2, "\nand should be:\n");
+ for(i = 0; i < sizeof(CBCdata); i++)
+ fprint(2, "%02X", CBCdata[i]);
+ fprint(2, "\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+void
+main(int argc, char **argv)
+{
+ int i;
+
+ if(argc != 1)
+ sysfatal("usage: %s", argv[0]);
+
+ for(i=0; i < nelem(vector); i++)
+ if(testECB(&vector[i]) < 0)
+ sysfatal("TestECB %d failed", i);
+
+ if(testCBC() < 0)
+ sysfatal("TestCBC failed");
+ exits(nil);
+}
--- sys/src/libsec/port/blowfish.c Mon Mar 18 16:47:47 2002
+++ /sys/src/libsec/port/blowfish.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
@@ -13,6 +14,37 @@
static void bfencrypt(u32int *, BFstate *);
static void bfdecrypt(u32int *, BFstate *);
+/*
+ * Endianess agnostic functions to convert a
+ * block (8-byte buffer) to a u32int array and
+ * viceversa.
+ */
+
+static void
+buf2ints(uchar *p, u32int *b)
+{
+ b[0] = p[0]<<24 | p[1]<<16 | p[2]<<8 | p[3];
+ b[1] = p[4]<<24 | p[5]<<16 | p[6]<<8 | p[7];
+}
+
+static void
+ints2buf(u32int *b, uchar *p)
+{
+ u32int u;
+
+ u = b[0];
+ p[0] = u>>24;
+ p[1] = u>>16;
+ p[2] = u>>8;
+ p[3] = u;
+
+ u = b[1];
+ p[4] = u>>24;
+ p[5] = u>>16;
+ p[6] = u>>8;
+ p[7] = u;
+}
+
void
setupBFstate(BFstate *s, uchar key[], int keybytes, uchar *ivec)
{
@@ -31,7 +63,7 @@
memmove(s->ivec, ivec, sizeof(s->ivec));
else
memset(s->ivec, 0, sizeof(s->ivec));
-
+
memmove(s->pbox, pbox, sizeof(pbox));
memmove(s->sbox, sbox, sizeof(sbox));
@@ -76,17 +108,13 @@
bfCBCencrypt(uchar *buf, int n, BFstate *s)
{
int i;
- uchar *p;
- u32int bo[2], bi[2], b;
+ u32int bo[2], bi[2];
assert((n & 7) == 0);
- bo[0] = s->ivec[0] | ((u32int) s->ivec[1]<<8) | ((u32int)s->ivec[2]<<16) | ((u32int)s->ivec[3]<<24);
- bo[1] = s->ivec[4] | ((u32int) s->ivec[5]<<8) | ((u32int)s->ivec[6]<<16) | ((u32int)s->ivec[7]<<24);
-
+ buf2ints(s->ivec, bo);
for(i=0; i < n; i += 8, buf += 8) {
- bi[0] = buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24);
- bi[1] = buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24);
+ buf2ints(buf, bi);
bi[0] ^= bo[0];
bi[1] ^= bo[1];
@@ -96,36 +124,9 @@
bo[0] = bi[0];
bo[1] = bi[1];
- p = buf;
- b = bo[0];
- *p++ = b;
- b >>= 8;
- *p++ = b;
- b >>= 8;
- *p++ = b;
- b >>= 8;
- *p++ = b;
-
- b = bo[1];
- *p++ = b;
- b >>= 8;
- *p++ = b;
- b >>= 8;
- *p++ = b;
- b >>= 8;
- *p = b;
+ ints2buf(bi, buf);
}
-
- s->ivec[7] = bo[1] >> 24;
- s->ivec[6] = bo[1] >> 16;
- s->ivec[5] = bo[1] >> 8;
- s->ivec[4] = bo[1];
-
- s->ivec[3] = bo[0] >> 24;
- s->ivec[2] = bo[0] >> 16;
- s->ivec[1] = bo[0] >> 8;
- s->ivec[0] = bo[0];
-
+ ints2buf(bo, s->ivec);
return;
}
@@ -133,17 +134,13 @@
bfCBCdecrypt(uchar *buf, int n, BFstate *s)
{
int i;
- uchar *p;
- u32int b, bo[2], bi[2], xr[2];
+ u32int bo[2], bi[2], xr[2];
assert((n & 7) == 0);
- bo[0] = s->ivec[0] | ((u32int) s->ivec[1]<<8) | ((u32int)s->ivec[2]<<16) | ((u32int)s->ivec[3]<<24);
- bo[1] = s->ivec[4] | ((u32int) s->ivec[5]<<8) | ((u32int)s->ivec[6]<<16) | ((u32int)s->ivec[7]<<24);
-
+ buf2ints(s->ivec, bo);
for(i=0; i < n; i += 8, buf += 8) {
- bi[0] = buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24);
- bi[1] = buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24);
+ buf2ints(buf, bi);
xr[0] = bi[0];
xr[1] = bi[1];
@@ -153,39 +150,12 @@
bo[0] ^= bi[0];
bo[1] ^= bi[1];
- p = buf;
- b = bo[0];
- *p++ = b;
- b >>= 8;
- *p++ = b;
- b >>= 8;
- *p++ = b;
- b >>= 8;
- *p++ = b;
-
- b = bo[1];
- *p++ = b;
- b >>= 8;
- *p++ = b;
- b >>= 8;
- *p++ = b;
- b >>= 8;
- *p = b;
+ ints2buf(bo, buf);
bo[0] = xr[0];
bo[1] = xr[1];
}
-
- s->ivec[7] = bo[1] >> 24;
- s->ivec[6] = bo[1] >> 16;
- s->ivec[5] = bo[1] >> 8;
- s->ivec[4] = bo[1];
-
- s->ivec[3] = bo[0] >> 24;
- s->ivec[2] = bo[0] >> 16;
- s->ivec[1] = bo[0] >> 8;
- s->ivec[0] = bo[0];
-
+ ints2buf(bo, s->ivec);
return;
}
@@ -196,20 +166,9 @@
u32int b[2];
for(i=0; i < n; i += 8, buf += 8) {
- b[0] = buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24);
- b[1] = buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24);
-
+ buf2ints(buf, b);
bfencrypt(b, s);
-
- buf[7] = b[1] >> 24;
- buf[6] = b[1] >> 16;
- buf[5] = b[1] >> 8;
- buf[4] = b[1];
-
- buf[3] = b[0] >> 24;
- buf[2] = b[0] >> 16;
- buf[1] = b[0] >> 8;
- buf[0] = b[0];
+ ints2buf(b, buf);
}
return;
@@ -222,20 +181,9 @@
u32int b[2];
for(i=0; i < n; i += 8, buf += 8) {
- b[0] = buf[0] | ((u32int) buf[1]<<8) | ((u32int)buf[2]<<16) | ((u32int)buf[3]<<24);
- b[1] = buf[4] | ((u32int) buf[5]<<8) | ((u32int)buf[6]<<16) | ((u32int)buf[7]<<24);
-
+ buf2ints(buf, b);
bfdecrypt(b, s);
-
- buf[7] = b[1] >> 24;
- buf[6] = b[1] >> 16;
- buf[5] = b[1] >> 8;
- buf[4] = b[1];
-
- buf[3] = b[0] >> 24;
- buf[2] = b[0] >> 16;
- buf[1] = b[0] >> 8;
- buf[0] = b[0];
+ ints2buf(b, buf);
}
return;
@@ -575,5 +523,4 @@
0x90d4f869L, 0xa65cdea0L, 0x3f09252dL, 0xc208e69fL,
0xb74e6132L, 0xce77e25bL, 0x578fdfe3L, 0x3ac372e6L,
};
-
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/ccpoly.c Sat Jun 26 21:21:41 2021
@@ -0,0 +1,92 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+static void
+ccpolyotk(Chachastate *cs, DigestState *ds)
+{
+ uchar otk[ChachaBsize];
+
+ memset(ds, 0, sizeof(*ds));
+ memset(otk, 0, 32);
+ chacha_setblock(cs, 0);
+ chacha_encrypt(otk, ChachaBsize, cs);
+ poly1305(nil, 0, otk, 32, nil, ds);
+}
+
+static void
+ccpolypad(uchar *buf, ulong nbuf, DigestState *ds)
+{
+ static uchar zeros[16] = {0};
+ ulong npad;
+
+ if(nbuf == 0)
+ return;
+ poly1305(buf, nbuf, nil, 0, nil, ds);
+ npad = nbuf % 16;
+ if(npad == 0)
+ return;
+ poly1305(zeros, 16 - npad, nil, 0, nil, ds);
+}
+
+static void
+ccpolylen(ulong n, uchar tag[16], DigestState *ds)
+{
+ uchar info[8];
+
+ info[0] = n;
+ info[1] = n>>8;
+ info[2] = n>>16;
+ info[3] = n>>24;
+ info[4] = 0;
+ info[5] = 0;
+ info[6] = 0;
+ info[7] = 0;
+ poly1305(info, 8, nil, 0, tag, ds);
+}
+
+void
+ccpoly_encrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], Chachastate *cs)
+{
+ DigestState ds;
+
+ ccpolyotk(cs, &ds);
+ if(cs->ivwords == 2){
+ poly1305(aad, naad, nil, 0, nil, &ds);
+ ccpolylen(naad, nil, &ds);
+ chacha_encrypt(dat, ndat, cs);
+ poly1305(dat, ndat, nil, 0, nil, &ds);
+ ccpolylen(ndat, tag, &ds);
+ } else {
+ ccpolypad(aad, naad, &ds);
+ chacha_encrypt(dat, ndat, cs);
+ ccpolypad(dat, ndat, &ds);
+ ccpolylen(naad, nil, &ds);
+ ccpolylen(ndat, tag, &ds);
+ }
+}
+
+int
+ccpoly_decrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], Chachastate *cs)
+{
+ DigestState ds;
+ uchar tmp[16];
+
+ ccpolyotk(cs, &ds);
+ if(cs->ivwords == 2){
+ poly1305(aad, naad, nil, 0, nil, &ds);
+ ccpolylen(naad, nil, &ds);
+ poly1305(dat, ndat, nil, 0, nil, &ds);
+ ccpolylen(ndat, tmp, &ds);
+ } else {
+ ccpolypad(aad, naad, &ds);
+ ccpolypad(dat, ndat, &ds);
+ ccpolylen(naad, nil, &ds);
+ ccpolylen(ndat, tmp, &ds);
+ }
+ if(tsmemcmp(tag, tmp, 16) != 0)
+ return -1;
+ chacha_encrypt(dat, ndat, cs);
+ return 0;
+}
--- sys/src/libsec/port/chacha.c Thu Jul 1 17:28:57 2021
+++ /sys/src/libsec/port/chacha.c Sat Jun 26 21:21:41 2021
@@ -9,36 +9,21 @@
#include <u.h>
#include <libc.h>
+#include <mp.h>
#include <libsec.h>
-enum{
- Blockwords= ChachaBsize/sizeof(u32int)
-};
+/* from chachablock.$O */
+extern void _chachablock(u32int x[16], int rounds);
/* little-endian data order */
-#define GET4(p) ((((((p)[3]<<8) | (p)[2])<<8) | (p)[1])<<8 | (p)[0])
-#define PUT4(p, v) (((p)[0]=v), (v>>=8), ((p)[1]=v), (v>>=8), ((p)[2]=v), (v>>=8), ((p)[3]=v))
-
-#define ROTATE(v,c) ((u32int)((v) << (c)) | ((v) >> (32 - (c))))
-
-#define QUARTERROUND(ia,ib,ic,id) { \
- u32int a, b, c, d, t;\
- a = x[ia]; b = x[ib]; c = x[ic]; d = x[id]; \
- a += b; t = d^a; d = ROTATE(t,16); \
- c += d; t = b^c; b = ROTATE(t,12); \
- a += b; t = d^a; d = ROTATE(t, 8); \
- c += d; t = b^c; b = ROTATE(t, 7); \
- x[ia] = a; x[ib] = b; x[ic] = c; x[id] = d; \
-}
+#define GET4(p) ((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24))
+#define PUT4(p,v) (p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24
#define ENCRYPT(s, x, y, d) {\
u32int v; \
- uchar *sp, *dp; \
- sp = (s); \
- v = GET4(sp); \
+ v = GET4(s); \
v ^= (x)+(y); \
- dp = (d); \
- PUT4(dp, v); \
+ PUT4(d, v); \
}
static uchar sigma[16] = "expand 32-byte k";
@@ -54,10 +39,13 @@
}
void
-setupChachastate(Chachastate *s, uchar *key, usize keylen, uchar *iv, int rounds)
+setupChachastate(Chachastate *s, uchar *key, ulong keylen, uchar *iv, ulong ivlen, int rounds)
{
if(keylen != 256/8 && keylen != 128/8)
sysfatal("invalid chacha key length");
+ if(ivlen != 64/8 && ivlen != 96/8
+ && ivlen != 128/8 && ivlen != 192/8) /* hchacha, xchacha */
+ sysfatal("invalid chacha iv length");
if(rounds == 0)
rounds = 20;
s->rounds = rounds;
@@ -69,28 +57,108 @@
load(&s->input[4], key, 4);
load(&s->input[8], key, 4);
}
+ s->xkey[0] = s->input[4];
+ s->xkey[1] = s->input[5];
+ s->xkey[2] = s->input[6];
+ s->xkey[3] = s->input[7];
+ s->xkey[4] = s->input[8];
+ s->xkey[5] = s->input[9];
+ s->xkey[6] = s->input[10];
+ s->xkey[7] = s->input[11];
+
+ s->ivwords = ivlen/4;
s->input[12] = 0;
+ s->input[13] = 0;
if(iv == nil){
- s->input[13] = 0;
s->input[14] = 0;
s->input[15] = 0;
}else
- load(&s->input[13], iv, 3);
+ chacha_setiv(s, iv);
+}
+
+static void
+hchachablock(uchar h[32], Chachastate *s)
+{
+ u32int x[16];
+
+ x[0] = s->input[0];
+ x[1] = s->input[1];
+ x[2] = s->input[2];
+ x[3] = s->input[3];
+ x[4] = s->input[4];
+ x[5] = s->input[5];
+ x[6] = s->input[6];
+ x[7] = s->input[7];
+ x[8] = s->input[8];
+ x[9] = s->input[9];
+ x[10] = s->input[10];
+ x[11] = s->input[11];
+ x[12] = s->input[12];
+ x[13] = s->input[13];
+ x[14] = s->input[14];
+ x[15] = s->input[15];
+
+ _chachablock(x, s->rounds);
+
+ PUT4(h+0*4, x[0]);
+ PUT4(h+1*4, x[1]);
+ PUT4(h+2*4, x[2]);
+ PUT4(h+3*4, x[3]);
+ PUT4(h+4*4, x[12]);
+ PUT4(h+5*4, x[13]);
+ PUT4(h+6*4, x[14]);
+ PUT4(h+7*4, x[15]);
}
void
-chacha_setblock(Chachastate *s, u32int blockno)
+chacha_setiv(Chachastate *s, uchar *iv)
+{
+ if(s->ivwords == 192/32){
+ /* xchacha with 192-bit iv */
+ u32int counter[2];
+ uchar h[32];
+
+ s->input[4] = s->xkey[0];
+ s->input[5] = s->xkey[1];
+ s->input[6] = s->xkey[2];
+ s->input[7] = s->xkey[3];
+ s->input[8] = s->xkey[4];
+ s->input[9] = s->xkey[5];
+ s->input[10] = s->xkey[6];
+ s->input[11] = s->xkey[7];
+
+ counter[0] = s->input[12];
+ counter[1] = s->input[13];
+
+ load(&s->input[12], iv, 4);
+
+ hchachablock(h, s);
+ load(&s->input[4], h, 8);
+ memset(h, 0, 32);
+
+ s->input[12] = counter[0];
+ s->input[13] = counter[1];
+
+ load(&s->input[14], iv+16, 2);
+ return;
+ }
+ load(&s->input[16 - s->ivwords], iv, s->ivwords);
+}
+
+void
+chacha_setblock(Chachastate *s, u64int blockno)
{
s->input[12] = blockno;
+ if(s->ivwords != 3)
+ s->input[13] = blockno>>32;
}
static void
encryptblock(Chachastate *s, uchar *src, uchar *dst)
{
- u32int x[Blockwords];
- int i, rounds;
+ u32int x[16];
+ int i;
- rounds = s->rounds;
x[0] = s->input[0];
x[1] = s->input[1];
x[2] = s->input[2];
@@ -107,37 +175,8 @@
x[13] = s->input[13];
x[14] = s->input[14];
x[15] = s->input[15];
+ _chachablock(x, s->rounds);
- for(i = rounds; i > 0; i -= 2) {
- QUARTERROUND(0, 4, 8,12)
- QUARTERROUND(1, 5, 9,13)
- QUARTERROUND(2, 6,10,14)
- QUARTERROUND(3, 7,11,15)
-
- QUARTERROUND(0, 5,10,15)
- QUARTERROUND(1, 6,11,12)
- QUARTERROUND(2, 7, 8,13)
- QUARTERROUND(3, 4, 9,14)
- }
-
-#ifdef FULL_UNROLL
- ENCRYPT(src+0*4, x[0], s->input[0], dst+0*4);
- ENCRYPT(src+1*4, x[1], s->input[1], dst+1*4);
- ENCRYPT(src+2*4, x[2], s->input[2], dst+2*4);
- ENCRYPT(src+3*4, x[3], s->input[3], dst+3*4);
- ENCRYPT(src+4*4, x[4], s->input[4], dst+4*4);
- ENCRYPT(src+5*4, x[5], s->input[5], dst+5*4);
- ENCRYPT(src+6*4, x[6], s->input[6], dst+6*4);
- ENCRYPT(src+7*4, x[7], s->input[7], dst+7*4);
- ENCRYPT(src+8*4, x[8], s->input[8], dst+8*4);
- ENCRYPT(src+9*4, x[9], s->input[9], dst+9*4);
- ENCRYPT(src+10*4, x[10], s->input[10], dst+10*4);
- ENCRYPT(src+11*4, x[11], s->input[11], dst+11*4);
- ENCRYPT(src+12*4, x[12], s->input[12], dst+12*4);
- ENCRYPT(src+13*4, x[13], s->input[13], dst+13*4);
- ENCRYPT(src+14*4, x[14], s->input[14], dst+14*4);
- ENCRYPT(src+15*4, x[15], s->input[15], dst+15*4);
-#else
for(i=0; i<nelem(x); i+=4){
ENCRYPT(src, x[i], s->input[i], dst);
ENCRYPT(src+4, x[i+1], s->input[i+1], dst+4);
@@ -146,13 +185,13 @@
src += 16;
dst += 16;
}
-#endif
- s->input[12]++;
+ if(++s->input[12] == 0 && s->ivwords != 3)
+ s->input[13]++;
}
void
-chacha_encrypt2(uchar *src, uchar *dst, usize bytes, Chachastate *s)
+chacha_encrypt2(uchar *src, uchar *dst, ulong bytes, Chachastate *s)
{
uchar tmp[ChachaBsize];
@@ -169,7 +208,17 @@
}
void
-chacha_encrypt(uchar *buf, usize bytes, Chachastate *s)
+chacha_encrypt(uchar *buf, ulong bytes, Chachastate *s)
{
chacha_encrypt2(buf, buf, bytes, s);
+}
+
+void
+hchacha(uchar h[32], uchar *key, ulong keylen, uchar nonce[16], int rounds)
+{
+ Chachastate s[1];
+
+ setupChachastate(s, key, keylen, nonce, 16, rounds);
+ hchachablock(h, s);
+ memset(s, 0, sizeof(s));
}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/chachablock.c Sat Jun 26 21:21:41 2021
@@ -0,0 +1,31 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+
+#define ROTATE(v,c) ((u32int)((v) << (c)) | ((v) >> (32 - (c))))
+
+#define QUARTERROUND(ia,ib,ic,id) { \
+ u32int a, b, c, d, t; \
+ a = x[ia]; b = x[ib]; c = x[ic]; d = x[id]; \
+ a += b; t = d^a; d = ROTATE(t,16); \
+ c += d; t = b^c; b = ROTATE(t,12); \
+ a += b; t = d^a; d = ROTATE(t, 8); \
+ c += d; t = b^c; b = ROTATE(t, 7); \
+ x[ia] = a; x[ib] = b; x[ic] = c; x[id] = d; \
+}
+
+void
+_chachablock(u32int x[16], int rounds)
+{
+ for(; rounds > 0; rounds -= 2) {
+ QUARTERROUND(0, 4, 8,12)
+ QUARTERROUND(1, 5, 9,13)
+ QUARTERROUND(2, 6,10,14)
+ QUARTERROUND(3, 7,11,15)
+
+ QUARTERROUND(0, 5,10,15)
+ QUARTERROUND(1, 6,11,12)
+ QUARTERROUND(2, 7, 8,13)
+ QUARTERROUND(3, 4, 9,14)
+ }
+}
--- sys/src/libsec/port/chachatest.c Thu Jul 1 17:28:57 2021
+++ /sys/src/libsec/port/chachatest.c Sat Jun 26 21:21:41 2021
@@ -31,7 +31,7 @@
char rfctext[] = "Ladies and Gentlemen of the class of '99: If I could offer you only one tip for the future, "
"sunscreen would be it.";
uchar rfcout[3*ChachaBsize];
-uchar rfcref[3*ChachaBsize] = {
+uchar rfcref[] = {
0x6e, 0x2e, 0x35, 0x9a, 0x25, 0x68, 0xf9, 0x80, 0x41, 0xba, 0x07, 0x28, 0xdd, 0x0d, 0x69, 0x81,
0xe9, 0x7e, 0x7a, 0xec, 0x1d, 0x43, 0x60, 0xc2, 0x0a, 0x27, 0xaf, 0xcc, 0xfd, 0x9f, 0xae, 0x0b,
0xf9, 0x1b, 0x65, 0xc5, 0x52, 0x47, 0x33, 0xab, 0x8f, 0x59, 0x3d, 0xab, 0xcd, 0x62, 0xb3, 0x57,
@@ -42,10 +42,66 @@
0x87, 0x4d
};
+uchar xcckey[] = {
+ 0x1b, 0x27, 0x55, 0x64, 0x73, 0xe9, 0x85, 0xd4, 0x62, 0xcd, 0x51, 0x19, 0x7a, 0x9a, 0x46, 0xc7,
+ 0x60, 0x09, 0x54, 0x9e, 0xac, 0x64, 0x74, 0xf2, 0x06, 0xc4, 0xee, 0x08, 0x44, 0xf6, 0x83, 0x89,
+};
+uchar xcciv[] = {
+ 0x69, 0x69, 0x6e, 0xe9, 0x55, 0xb6, 0x2b, 0x73, 0xcd, 0x62, 0xbd, 0xa8, 0x75, 0xfc, 0x73, 0xd6,
+ 0x82, 0x19, 0xe0, 0x03, 0x6b, 0x7a, 0x0b, 0x37,
+};
+uchar xccref[] = {
+ 0x4f, 0xeb, 0xf2, 0xfe, 0x4b, 0x35, 0x9c, 0x50, 0x8d, 0xc5, 0xe8, 0xb5, 0x98, 0x0c, 0x88, 0xe3,
+ 0x89, 0x46, 0xd8, 0xf1, 0x8f, 0x31, 0x34, 0x65, 0xc8, 0x62, 0xa0, 0x87, 0x82, 0x64, 0x82, 0x48,
+ 0x01, 0x8d, 0xac, 0xdc, 0xb9, 0x04, 0x17, 0x88, 0x53, 0xa4, 0x6d, 0xca, 0x3a, 0x0e, 0xaa, 0xee,
+ 0x74, 0x7c, 0xba, 0x97, 0x43, 0x4e, 0xaf, 0xfa, 0xd5, 0x8f, 0xea, 0x82, 0x22, 0x04, 0x7e, 0x0d,
+ 0xe6, 0xc3, 0xa6, 0x77, 0x51, 0x06, 0xe0, 0x33, 0x1a, 0xd7, 0x14, 0xd2, 0xf2, 0x7a, 0x55, 0x64,
+ 0x13, 0x40, 0xa1, 0xf1, 0xdd, 0x9f, 0x94, 0x53, 0x2e, 0x68, 0xcb, 0x24, 0x1c, 0xbd, 0xd1, 0x50,
+ 0x97, 0x0d, 0x14, 0xe0, 0x5c, 0x5b, 0x17, 0x31, 0x93, 0xfb, 0x14, 0xf5, 0x1c, 0x41, 0xf3, 0x93,
+ 0x83, 0x5b, 0xf7, 0xf4, 0x16, 0xa7, 0xe0, 0xbb, 0xa8, 0x1f, 0xfb, 0x8b, 0x13, 0xaf, 0x0e, 0x21,
+ 0x69, 0x1d, 0x7e, 0xce, 0xc9, 0x3b, 0x75, 0xe6, 0xe4, 0x18, 0x3a,
+};
+
+uchar ccpaad[] = {
+ 0x50, 0x51, 0x52, 0x53, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
+};
+uchar ccpkey[] = {
+ 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+ 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
+};
+uchar ccpiv[] = {
+ 0x07, 0x00, 0x00, 0x00,
+ 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
+};
+uchar ccptag[] = {
+ 0x1a, 0xe1, 0x0b, 0x59, 0x4f, 0x09, 0xe2, 0x6a, 0x7e, 0x90, 0x2e, 0xcb, 0xd0, 0x60, 0x06, 0x91,
+};
+
+uchar ccp64aad[] = {
+ 0x87, 0xe2, 0x29, 0xd4, 0x50, 0x08, 0x45, 0xa0, 0x79, 0xc0,
+};
+uchar ccp64key[] = {
+ 0x42, 0x90, 0xbc, 0xb1, 0x54, 0x17, 0x35, 0x31, 0xf3, 0x14, 0xaf, 0x57, 0xf3, 0xbe, 0x3b, 0x50,
+ 0x06, 0xda, 0x37, 0x1e, 0xce, 0x27, 0x2a, 0xfa, 0x1b, 0x5d, 0xbd, 0xd1, 0x10, 0x0a, 0x10, 0x07,
+};
+uchar ccp64iv[] = {
+ 0xcd, 0x7c, 0xf6, 0x7b, 0xe3, 0x9c, 0x79, 0x4a,
+};
+uchar ccp64inp[] = {
+ 0x86, 0xd0, 0x99, 0x74, 0x84, 0x0b, 0xde, 0xd2, 0xa5, 0xca,
+};
+uchar ccp64out[] = {
+ 0xe3, 0xe4, 0x46, 0xf7, 0xed, 0xe9, 0xa1, 0x9b, 0x62, 0xa4,
+};
+uchar ccp64tag[] = {
+ 0x67, 0x7d, 0xab, 0xf4, 0xe3, 0xd2, 0x4b, 0x87, 0x6b, 0xb2, 0x84, 0x75, 0x38, 0x96, 0xe1, 0xd6,
+};
+
void
main(int argc, char **argv)
{
Chachastate s;
+ uchar tag[16];
int n;
ARGBEGIN{
@@ -54,17 +110,108 @@
print("key:\n");
printblock(rfckey, sizeof(rfckey));
n = strlen(rfctext);
- setupChachastate(&s, rfckey, sizeof(rfckey), rfcnonce, 0);
+ setupChachastate(&s, rfckey, sizeof(rfckey), rfcnonce, sizeof(rfcnonce), 0);
chacha_setblock(&s, rfccount);
print("rfc in:\n");
printblock((uchar*)rfctext, n);
chacha_encrypt2((uchar*)rfctext, rfcout, n, &s);
print("rfc out:\n");
printblock(rfcout, n);
- if(memcmp(rfcout, rfcref, sizeof(rfcout)) != 0){
+ if(memcmp(rfcout, rfcref, sizeof(rfcref)) != 0){
+ print("failure of vision\n");
+ exits("wrong");
+ }
+ print("\n");
+
+
+ print("xchacha key:\n");
+ printblock(xcckey, sizeof(xcckey));
+
+ print("xchacha iv:\n");
+ printblock(xcciv, sizeof(xcciv));
+
+ setupChachastate(&s, xcckey, sizeof(xcckey), xcciv, sizeof(xcciv), 20);
+ memset(rfcout, 0, sizeof(xccref));
+ chacha_encrypt(rfcout, sizeof(xccref), &s);
+
+ print("xchacha out:\n");
+ printblock(rfcout, sizeof(xccref));
+ if(memcmp(rfcout, xccref, sizeof(xccref)) != 0){
print("failure of vision\n");
exits("wrong");
}
+ print("\n");
+
+
+ print("ccpoly key:\n");
+ printblock(ccpkey, sizeof(ccpkey));
+
+ print("ccpoly iv:\n");
+ printblock(ccpiv, sizeof(ccpiv));
+
+ setupChachastate(&s, ccpkey, sizeof(ccpkey), ccpiv, sizeof(ccpiv), 20);
+
+ memmove(rfcout, rfctext, sizeof(rfctext)-1);
+ ccpoly_encrypt(rfcout, sizeof(rfctext)-1, ccpaad, sizeof(ccpaad), tag, &s);
+
+ print("ccpoly cipher:\n");
+ printblock(rfcout, sizeof(rfctext)-1);
+
+ print("ccpoly tag:\n");
+ printblock(tag, sizeof(tag));
+
+ if(memcmp(tag, ccptag, sizeof(tag)) != 0){
+ print("bad ccpoly tag\n");
+ exits("wrong");
+ }
+
+ if(ccpoly_decrypt(rfcout, sizeof(rfctext)-1, ccpaad, sizeof(ccpaad), tag, &s) != 0){
+ print("ccpoly decryption failed\n");
+ exits("wrong");
+ }
+
+ if(memcmp(rfcout, rfctext, sizeof(rfctext)-1) != 0){
+ print("ccpoly bad decryption\n");
+ exits("wrong");
+ }
+ print("\n");
+
+
+ print("ccpoly64 key:\n");
+ printblock(ccp64key, sizeof(ccp64key));
+
+ print("ccpoly64 iv:\n");
+ printblock(ccp64iv, sizeof(ccp64iv));
+
+ setupChachastate(&s, ccp64key, sizeof(ccp64key), ccp64iv, sizeof(ccp64iv), 20);
+
+ memmove(rfcout, ccp64inp, sizeof(ccp64inp));
+ ccpoly_encrypt(rfcout, sizeof(ccp64inp), ccp64aad, sizeof(ccp64aad), tag, &s);
+
+ print("ccpoly64 cipher:\n");
+ printblock(rfcout, sizeof(ccp64inp));
+
+ print("ccpoly64 tag:\n");
+ printblock(tag, sizeof(tag));
+
+ if(memcmp(rfcout, ccp64out, sizeof(ccp64out)) != 0){
+ print("ccpoly64 bad ciphertext\n");
+ exits("wrong");
+ }
+ if(memcmp(tag, ccp64tag, sizeof(ccp64tag)) != 0){
+ print("ccpoly64 bad encryption tag\n");
+ exits("wrong");
+ }
+
+ if(ccpoly_decrypt(rfcout, sizeof(ccp64inp), ccp64aad, sizeof(ccp64aad), tag, &s) != 0){
+ print("ccpoly64 decryption failed\n");
+ exits("wrong");
+ }
+ if(memcmp(rfcout, ccp64inp, sizeof(ccp64inp)) != 0){
+ print("ccpoly64 bad decryption\n");
+ exits("wrong");
+ }
+
print("passed\n");
exits(nil);
}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/curve25519.c Sat Jun 26 21:21:41 2021
@@ -0,0 +1,572 @@
+/* Copyright 2008, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * curve25519: Curve25519 elliptic curve, public key function
+ *
+ * http://code.google.com/p/curve25519-donna/
+ *
+ * Adam Langley <[email protected]>
+ *
+ * Derived from public domain C code by Daniel J. Bernstein <[email protected]>
+ *
+ * More information about curve25519 can be found here
+ * http://cr.yp.to/ecdh.html
+ *
+ * djb's sample implementation of curve25519 is written in a special assembly
+ * language called qhasm and uses the floating point registers.
+ *
+ * This is, almost, a clean room reimplementation from the curve25519 paper. It
+ * uses many of the tricks described therein. Only the crecip function is taken
+ * from the sample implementation.
+ */
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+typedef vlong felem;
+
+/* Sum two numbers: output += in */
+static void fsum(felem *output, felem *in) {
+ unsigned i;
+ for (i = 0; i < 10; i += 2) {
+ output[0+i] = (output[0+i] + in[0+i]);
+ output[1+i] = (output[1+i] + in[1+i]);
+ }
+}
+
+/* Find the difference of two numbers: output = in - output
+ * (note the order of the arguments!)
+ */
+static void fdifference(felem *output, felem *in) {
+ unsigned i;
+ for (i = 0; i < 10; ++i) {
+ output[i] = (in[i] - output[i]);
+ }
+}
+
+/* Multiply a number my a scalar: output = in * scalar */
+static void fscalar_product(felem *output, felem *in, felem scalar) {
+ unsigned i;
+ for (i = 0; i < 10; ++i) {
+ output[i] = in[i] * scalar;
+ }
+}
+
+/* Multiply two numbers: output = in2 * in
+ *
+ * output must be distinct to both inputs. The inputs are reduced coefficient
+ * form, the output is not.
+ */
+static void fproduct(felem *output, felem *in2, felem *in) {
+ output[0] = in2[0] * in[0];
+ output[1] = in2[0] * in[1] +
+ in2[1] * in[0];
+ output[2] = 2 * in2[1] * in[1] +
+ in2[0] * in[2] +
+ in2[2] * in[0];
+ output[3] = in2[1] * in[2] +
+ in2[2] * in[1] +
+ in2[0] * in[3] +
+ in2[3] * in[0];
+ output[4] = in2[2] * in[2] +
+ 2 * (in2[1] * in[3] +
+ in2[3] * in[1]) +
+ in2[0] * in[4] +
+ in2[4] * in[0];
+ output[5] = in2[2] * in[3] +
+ in2[3] * in[2] +
+ in2[1] * in[4] +
+ in2[4] * in[1] +
+ in2[0] * in[5] +
+ in2[5] * in[0];
+ output[6] = 2 * (in2[3] * in[3] +
+ in2[1] * in[5] +
+ in2[5] * in[1]) +
+ in2[2] * in[4] +
+ in2[4] * in[2] +
+ in2[0] * in[6] +
+ in2[6] * in[0];
+ output[7] = in2[3] * in[4] +
+ in2[4] * in[3] +
+ in2[2] * in[5] +
+ in2[5] * in[2] +
+ in2[1] * in[6] +
+ in2[6] * in[1] +
+ in2[0] * in[7] +
+ in2[7] * in[0];
+ output[8] = in2[4] * in[4] +
+ 2 * (in2[3] * in[5] +
+ in2[5] * in[3] +
+ in2[1] * in[7] +
+ in2[7] * in[1]) +
+ in2[2] * in[6] +
+ in2[6] * in[2] +
+ in2[0] * in[8] +
+ in2[8] * in[0];
+ output[9] = in2[4] * in[5] +
+ in2[5] * in[4] +
+ in2[3] * in[6] +
+ in2[6] * in[3] +
+ in2[2] * in[7] +
+ in2[7] * in[2] +
+ in2[1] * in[8] +
+ in2[8] * in[1] +
+ in2[0] * in[9] +
+ in2[9] * in[0];
+ output[10] = 2 * (in2[5] * in[5] +
+ in2[3] * in[7] +
+ in2[7] * in[3] +
+ in2[1] * in[9] +
+ in2[9] * in[1]) +
+ in2[4] * in[6] +
+ in2[6] * in[4] +
+ in2[2] * in[8] +
+ in2[8] * in[2];
+ output[11] = in2[5] * in[6] +
+ in2[6] * in[5] +
+ in2[4] * in[7] +
+ in2[7] * in[4] +
+ in2[3] * in[8] +
+ in2[8] * in[3] +
+ in2[2] * in[9] +
+ in2[9] * in[2];
+ output[12] = in2[6] * in[6] +
+ 2 * (in2[5] * in[7] +
+ in2[7] * in[5] +
+ in2[3] * in[9] +
+ in2[9] * in[3]) +
+ in2[4] * in[8] +
+ in2[8] * in[4];
+ output[13] = in2[6] * in[7] +
+ in2[7] * in[6] +
+ in2[5] * in[8] +
+ in2[8] * in[5] +
+ in2[4] * in[9] +
+ in2[9] * in[4];
+ output[14] = 2 * (in2[7] * in[7] +
+ in2[5] * in[9] +
+ in2[9] * in[5]) +
+ in2[6] * in[8] +
+ in2[8] * in[6];
+ output[15] = in2[7] * in[8] +
+ in2[8] * in[7] +
+ in2[6] * in[9] +
+ in2[9] * in[6];
+ output[16] = in2[8] * in[8] +
+ 2 * (in2[7] * in[9] +
+ in2[9] * in[7]);
+ output[17] = in2[8] * in[9] +
+ in2[9] * in[8];
+ output[18] = 2 * in2[9] * in[9];
+}
+
+/* Reduce a long form to a short form by taking the input mod 2^255 - 19. */
+static void freduce_degree(felem *output) {
+ output[8] += 19 * output[18];
+ output[7] += 19 * output[17];
+ output[6] += 19 * output[16];
+ output[5] += 19 * output[15];
+ output[4] += 19 * output[14];
+ output[3] += 19 * output[13];
+ output[2] += 19 * output[12];
+ output[1] += 19 * output[11];
+ output[0] += 19 * output[10];
+}
+
+/* Reduce all coefficients of the short form input to be -2**25 <= x <= 2**25
+ */
+static void freduce_coefficients(felem *output) {
+ unsigned i;
+ do {
+ output[10] = 0;
+
+ for (i = 0; i < 10; i += 2) {
+ felem over = output[i] / 0x2000000l;
+ felem over2 = (over + ((over >> 63) * 2) + 1) / 2;
+ output[i+1] += over2;
+ output[i] -= over2 * 0x4000000l;
+
+ over = output[i+1] / 0x2000000;
+ output[i+2] += over;
+ output[i+1] -= over * 0x2000000;
+ }
+ output[0] += 19 * output[10];
+ } while (output[10]);
+}
+
+/* A helpful wrapper around fproduct: output = in * in2.
+ *
+ * output must be distinct to both inputs. The output is reduced degree and
+ * reduced coefficient.
+ */
+static void
+fmul(felem *output, felem *in, felem *in2) {
+ felem t[19];
+ fproduct(t, in, in2);
+ freduce_degree(t);
+ freduce_coefficients(t);
+ memcpy(output, t, sizeof(felem) * 10);
+}
+
+static void fsquare_inner(felem *output, felem *in) {
+ felem tmp;
+ output[0] = in[0] * in[0];
+ output[1] = 2 * in[0] * in[1];
+ output[2] = 2 * (in[1] * in[1] +
+ in[0] * in[2]);
+ output[3] = 2 * (in[1] * in[2] +
+ in[0] * in[3]);
+ output[4] = in[2] * in[2] +
+ 4 * in[1] * in[3] +
+ 2 * in[0] * in[4];
+ output[5] = 2 * (in[2] * in[3] +
+ in[1] * in[4] +
+ in[0] * in[5]);
+ output[6] = 2 * (in[3] * in[3] +
+ in[2] * in[4] +
+ in[0] * in[6] +
+ 2 * in[1] * in[5]);
+ output[7] = 2 * (in[3] * in[4] +
+ in[2] * in[5] +
+ in[1] * in[6] +
+ in[0] * in[7]);
+ tmp = in[1] * in[7] + in[3] * in[5];
+ output[8] = in[4] * in[4] +
+ 2 * (in[2] * in[6] +
+ in[0] * in[8] +
+ 2 * tmp);
+ output[9] = 2 * (in[4] * in[5] +
+ in[3] * in[6] +
+ in[2] * in[7] +
+ in[1] * in[8] +
+ in[0] * in[9]);
+ tmp = in[3] * in[7] + in[1] * in[9];
+ output[10] = 2 * (in[5] * in[5] +
+ in[4] * in[6] +
+ in[2] * in[8] +
+ 2 * tmp);
+ output[11] = 2 * (in[5] * in[6] +
+ in[4] * in[7] +
+ in[3] * in[8] +
+ in[2] * in[9]);
+ output[12] = in[6] * in[6] +
+ 2 * (in[4] * in[8] +
+ 2 * (in[5] * in[7] +
+ in[3] * in[9]));
+ output[13] = 2 * (in[6] * in[7] +
+ in[5] * in[8] +
+ in[4] * in[9]);
+ output[14] = 2 * (in[7] * in[7] +
+ in[6] * in[8] +
+ 2 * in[5] * in[9]);
+ output[15] = 2 * (in[7] * in[8] +
+ in[6] * in[9]);
+ output[16] = in[8] * in[8] +
+ 4 * in[7] * in[9];
+ output[17] = 2 * in[8] * in[9];
+ output[18] = 2 * in[9] * in[9];
+}
+
+static void
+fsquare(felem *output, felem *in) {
+ felem t[19];
+ fsquare_inner(t, in);
+ freduce_degree(t);
+ freduce_coefficients(t);
+ memcpy(output, t, sizeof(felem) * 10);
+}
+
+/* Take a little-endian, 32-byte number and expand it into polynomial form */
+static void
+fexpand(felem *output, uchar *input) {
+#define F(n,start,shift,mask) \
+ output[n] = ((((felem) input[start + 0]) | \
+ ((felem) input[start + 1]) << 8 | \
+ ((felem) input[start + 2]) << 16 | \
+ ((felem) input[start + 3]) << 24) >> shift) & mask;
+ F(0, 0, 0, 0x3ffffff);
+ F(1, 3, 2, 0x1ffffff);
+ F(2, 6, 3, 0x3ffffff);
+ F(3, 9, 5, 0x1ffffff);
+ F(4, 12, 6, 0x3ffffff);
+ F(5, 16, 0, 0x1ffffff);
+ F(6, 19, 1, 0x3ffffff);
+ F(7, 22, 3, 0x1ffffff);
+ F(8, 25, 4, 0x3ffffff);
+ F(9, 28, 6, 0x1ffffff);
+#undef F
+}
+
+/* Take a fully reduced polynomial form number and contract it into a
+ * little-endian, 32-byte array
+ */
+static void
+fcontract(uchar *output, felem *input) {
+ int i;
+
+ do {
+ for (i = 0; i < 9; ++i) {
+ if ((i & 1) == 1) {
+ while (input[i] < 0) {
+ input[i] += 0x2000000;
+ input[i + 1]--;
+ }
+ } else {
+ while (input[i] < 0) {
+ input[i] += 0x4000000;
+ input[i + 1]--;
+ }
+ }
+ }
+ while (input[9] < 0) {
+ input[9] += 0x2000000;
+ input[0] -= 19;
+ }
+ } while (input[0] < 0);
+
+ input[1] <<= 2;
+ input[2] <<= 3;
+ input[3] <<= 5;
+ input[4] <<= 6;
+ input[6] <<= 1;
+ input[7] <<= 3;
+ input[8] <<= 4;
+ input[9] <<= 6;
+#define F(i, s) \
+ output[s+0] |= input[i] & 0xff; \
+ output[s+1] = (input[i] >> 8) & 0xff; \
+ output[s+2] = (input[i] >> 16) & 0xff; \
+ output[s+3] = (input[i] >> 24) & 0xff;
+ output[0] = 0;
+ output[16] = 0;
+ F(0,0);
+ F(1,3);
+ F(2,6);
+ F(3,9);
+ F(4,12);
+ F(5,16);
+ F(6,19);
+ F(7,22);
+ F(8,25);
+ F(9,28);
+#undef F
+}
+
+/* Input: Q, Q', Q-Q'
+ * Output: 2Q, Q+Q'
+ *
+ * x2 z3: long form
+ * x3 z3: long form
+ * x z: short form, destroyed
+ * xprime zprime: short form, destroyed
+ * qmqp: short form, preserved
+ */
+static void fmonty(felem *x2, felem *z2, /* output 2Q */
+ felem *x3, felem *z3, /* output Q + Q' */
+ felem *x, felem *z, /* input Q */
+ felem *xprime, felem *zprime, /* input Q' */
+ felem *qmqp /* input Q - Q' */) {
+ felem origx[10], origxprime[10], zzz[19], xx[19], zz[19], xxprime[19],
+ zzprime[19], zzzprime[19], xxxprime[19];
+
+ memcpy(origx, x, 10 * sizeof(felem));
+ fsum(x, z);
+ fdifference(z, origx); // does x - z
+
+ memcpy(origxprime, xprime, sizeof(felem) * 10);
+ fsum(xprime, zprime);
+ fdifference(zprime, origxprime);
+ fproduct(xxprime, xprime, z);
+ fproduct(zzprime, x, zprime);
+ freduce_degree(xxprime);
+ freduce_coefficients(xxprime);
+ freduce_degree(zzprime);
+ freduce_coefficients(zzprime);
+ memcpy(origxprime, xxprime, sizeof(felem) * 10);
+ fsum(xxprime, zzprime);
+ fdifference(zzprime, origxprime);
+ fsquare(xxxprime, xxprime);
+ fsquare(zzzprime, zzprime);
+ fproduct(zzprime, zzzprime, qmqp);
+ freduce_degree(zzprime);
+ freduce_coefficients(zzprime);
+ memcpy(x3, xxxprime, sizeof(felem) * 10);
+ memcpy(z3, zzprime, sizeof(felem) * 10);
+
+ fsquare(xx, x);
+ fsquare(zz, z);
+ fproduct(x2, xx, zz);
+ freduce_degree(x2);
+ freduce_coefficients(x2);
+ fdifference(zz, xx); // does zz = xx - zz
+ memset(zzz + 10, 0, sizeof(felem) * 9);
+ fscalar_product(zzz, zz, 121665);
+ freduce_degree(zzz);
+ freduce_coefficients(zzz);
+ fsum(zzz, xx);
+ fproduct(z2, zz, zzz);
+ freduce_degree(z2);
+ freduce_coefficients(z2);
+}
+
+/* Calculates nQ where Q is the x-coordinate of a point on the curve
+ *
+ * resultx/resultz: the x coordinate of the resulting curve point (short form)
+ * n: a little endian, 32-byte number
+ * q: a point of the curve (short form)
+ */
+static void
+cmult(felem *resultx, felem *resultz, uchar *n, felem *q) {
+ felem a[19] = {0}, b[19] = {1}, c[19] = {1}, d[19] = {0};
+ felem *nqpqx = a, *nqpqz = b, *nqx = c, *nqz = d, *t;
+ felem e[19] = {0}, f[19] = {1}, g[19] = {0}, h[19] = {1};
+ felem *nqpqx2 = e, *nqpqz2 = f, *nqx2 = g, *nqz2 = h;
+
+ unsigned i, j;
+
+ memcpy(nqpqx, q, sizeof(felem) * 10);
+
+ for (i = 0; i < 32; ++i) {
+ uchar byte = n[31 - i];
+ for (j = 0; j < 8; ++j) {
+ if (byte & 0x80) {
+ fmonty(nqpqx2, nqpqz2,
+ nqx2, nqz2,
+ nqpqx, nqpqz,
+ nqx, nqz,
+ q);
+ } else {
+ fmonty(nqx2, nqz2,
+ nqpqx2, nqpqz2,
+ nqx, nqz,
+ nqpqx, nqpqz,
+ q);
+ }
+
+ t = nqx;
+ nqx = nqx2;
+ nqx2 = t;
+ t = nqz;
+ nqz = nqz2;
+ nqz2 = t;
+ t = nqpqx;
+ nqpqx = nqpqx2;
+ nqpqx2 = t;
+ t = nqpqz;
+ nqpqz = nqpqz2;
+ nqpqz2 = t;
+
+ byte <<= 1;
+ }
+ }
+
+ memcpy(resultx, nqx, sizeof(felem) * 10);
+ memcpy(resultz, nqz, sizeof(felem) * 10);
+}
+
+// -----------------------------------------------------------------------------
+// Shamelessly copied from djb's code
+// -----------------------------------------------------------------------------
+static void
+crecip(felem *out, felem *z) {
+ felem z2[10];
+ felem z9[10];
+ felem z11[10];
+ felem z2_5_0[10];
+ felem z2_10_0[10];
+ felem z2_20_0[10];
+ felem z2_50_0[10];
+ felem z2_100_0[10];
+ felem t0[10];
+ felem t1[10];
+ int i;
+
+ /* 2 */ fsquare(z2,z);
+ /* 4 */ fsquare(t1,z2);
+ /* 8 */ fsquare(t0,t1);
+ /* 9 */ fmul(z9,t0,z);
+ /* 11 */ fmul(z11,z9,z2);
+ /* 22 */ fsquare(t0,z11);
+ /* 2^5 - 2^0 = 31 */ fmul(z2_5_0,t0,z9);
+
+ /* 2^6 - 2^1 */ fsquare(t0,z2_5_0);
+ /* 2^7 - 2^2 */ fsquare(t1,t0);
+ /* 2^8 - 2^3 */ fsquare(t0,t1);
+ /* 2^9 - 2^4 */ fsquare(t1,t0);
+ /* 2^10 - 2^5 */ fsquare(t0,t1);
+ /* 2^10 - 2^0 */ fmul(z2_10_0,t0,z2_5_0);
+
+ /* 2^11 - 2^1 */ fsquare(t0,z2_10_0);
+ /* 2^12 - 2^2 */ fsquare(t1,t0);
+ /* 2^20 - 2^10 */ for (i = 2;i < 10;i += 2) { fsquare(t0,t1); fsquare(t1,t0); }
+ /* 2^20 - 2^0 */ fmul(z2_20_0,t1,z2_10_0);
+
+ /* 2^21 - 2^1 */ fsquare(t0,z2_20_0);
+ /* 2^22 - 2^2 */ fsquare(t1,t0);
+ /* 2^40 - 2^20 */ for (i = 2;i < 20;i += 2) { fsquare(t0,t1); fsquare(t1,t0); }
+ /* 2^40 - 2^0 */ fmul(t0,t1,z2_20_0);
+
+ /* 2^41 - 2^1 */ fsquare(t1,t0);
+ /* 2^42 - 2^2 */ fsquare(t0,t1);
+ /* 2^50 - 2^10 */ for (i = 2;i < 10;i += 2) { fsquare(t1,t0); fsquare(t0,t1); }
+ /* 2^50 - 2^0 */ fmul(z2_50_0,t0,z2_10_0);
+
+ /* 2^51 - 2^1 */ fsquare(t0,z2_50_0);
+ /* 2^52 - 2^2 */ fsquare(t1,t0);
+ /* 2^100 - 2^50 */ for (i = 2;i < 50;i += 2) { fsquare(t0,t1); fsquare(t1,t0); }
+ /* 2^100 - 2^0 */ fmul(z2_100_0,t1,z2_50_0);
+
+ /* 2^101 - 2^1 */ fsquare(t1,z2_100_0);
+ /* 2^102 - 2^2 */ fsquare(t0,t1);
+ /* 2^200 - 2^100 */ for (i = 2;i < 100;i += 2) { fsquare(t1,t0); fsquare(t0,t1); }
+ /* 2^200 - 2^0 */ fmul(t1,t0,z2_100_0);
+
+ /* 2^201 - 2^1 */ fsquare(t0,t1);
+ /* 2^202 - 2^2 */ fsquare(t1,t0);
+ /* 2^250 - 2^50 */ for (i = 2;i < 50;i += 2) { fsquare(t0,t1); fsquare(t1,t0); }
+ /* 2^250 - 2^0 */ fmul(t0,t1,z2_50_0);
+
+ /* 2^251 - 2^1 */ fsquare(t1,t0);
+ /* 2^252 - 2^2 */ fsquare(t0,t1);
+ /* 2^253 - 2^3 */ fsquare(t1,t0);
+ /* 2^254 - 2^4 */ fsquare(t0,t1);
+ /* 2^255 - 2^5 */ fsquare(t1,t0);
+ /* 2^255 - 21 */ fmul(out,t1,z11);
+}
+
+void
+curve25519(uchar mypublic[32], uchar secret[32], uchar basepoint[32]) {
+ felem bp[10], x[10], z[10], zmone[10];
+ fexpand(bp, basepoint);
+ cmult(x, z, secret, bp);
+ crecip(zmone, z);
+ fmul(z, x, zmone);
+ fcontract(mypublic, z);
+}
--- /dev/null Wed Jul 14 01:55:45 2021
+++ /sys/src/libsec/port/curve25519_dh.c Mon Jul 12 11:09:54 2021
@@ -0,0 +1,38 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+static uchar nine[32] = {9};
+static uchar zero[32] = {0};
+
+void
+curve25519_dh_new(uchar x[32], uchar y[32])
+{
+ uchar b;
+
+ /* new public/private key pair */
+ genrandom(x, 32);
+ b = x[31];
+ x[0] &= ~7; /* clear bit 0,1,2 */
+ x[31] = 0x40 | (b & 0x7f); /* set bit 254, clear bit 255 */
+ curve25519(y, x, nine);
+
+ /* bit 255 is always 0, so make it random */
+ y[31] |= b & 0x80;
+}
+
+int
+curve25519_dh_finish(uchar x[32], uchar y[32], uchar z[32])
+{
+ /* remove the random bit */
+ y[31] &= 0x7f;
+
+ /* calculate dhx key */
+ curve25519(z, x, y);
+
+ memset(x, 0, 32);
+ memset(y, 0, 32);
+
+ return tsmemcmp(z, zero, 32) != 0;
+}
--- sys/src/libsec/port/decodepem.c Wed May 12 00:41:09 2004
+++ /sys/src/libsec/port/decodepem.c Sat Jun 26 21:21:41 2021
@@ -27,13 +27,15 @@
t++;
if(strncmp(tt, "-----BEGIN ", STRLEN("-----BEGIN ")) == 0
&& strncmp(&tt[STRLEN("-----BEGIN ")], type, n) == 0
- && strncmp(&tt[STRLEN("-----BEGIN ")+n], "-----\n", STRLEN("-----\n")) == 0)
+ && strncmp(&tt[STRLEN("-----BEGIN ")+n], "-----", STRLEN("-----")) == 0
+ && strchr("\r\n", tt[STRLEN("-----BEGIN ")+n+STRLEN("-----")]) != nil)
break;
}
for(tt = t; tt != nil && tt < e; tt++){
if(strncmp(tt, "-----END ", STRLEN("-----END ")) == 0
&& strncmp(&tt[STRLEN("-----END ")], type, n) == 0
- && strncmp(&tt[STRLEN("-----END ")+n], "-----\n", STRLEN("-----\n")) == 0)
+ && strncmp(&tt[STRLEN("-----END ")+n], "-----", STRLEN("-----")) == 0
+ && strchr("\r\n", tt[STRLEN("-----END ")+n+STRLEN("-----")]) != nil)
break;
tt = strchr(tt, '\n');
if(tt == nil)
--- sys/src/libsec/port/des.c Fri Mar 1 21:12:59 2002
+++ /sys/src/libsec/port/des.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,6 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
#include <libsec.h>
/*
--- sys/src/libsec/port/des3CBC.c Wed Apr 25 20:01:32 2001
+++ /sys/src/libsec/port/des3CBC.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/des3ECB.c Wed Apr 25 20:01:32 2001
+++ /sys/src/libsec/port/des3ECB.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/desCBC.c Fri Mar 16 03:41:59 2001
+++ /sys/src/libsec/port/desCBC.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/desECB.c Fri Mar 16 03:41:59 2001
+++ /sys/src/libsec/port/desECB.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/desmodes.c Fri Mar 1 21:12:59 2002
+++ /sys/src/libsec/port/desmodes.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,6 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
#include <libsec.h>
/*
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/dh.c Sat Jun 26 21:21:41 2021
@@ -0,0 +1,75 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+mpint*
+dh_new(DHstate *dh, mpint *p, mpint *q, mpint *g)
+{
+ mpint *pm1;
+ int n;
+
+ memset(dh, 0, sizeof(*dh));
+ if(mpcmp(g, mpone) <= 0)
+ return nil;
+
+ n = mpsignif(p);
+ pm1 = mpnew(n);
+ mpsub(p, mpone, pm1);
+ dh->p = mpcopy(p);
+ dh->g = mpcopy(g);
+ dh->q = mpcopy(q != nil ? q : pm1);
+ dh->x = mpnew(mpsignif(dh->q));
+ dh->y = mpnew(n);
+ for(;;){
+ mpnrand(dh->q, genrandom, dh->x);
+ mpexp(dh->g, dh->x, dh->p, dh->y);
+ if(mpcmp(dh->y, mpone) > 0 && mpcmp(dh->y, pm1) < 0)
+ break;
+ }
+ mpfree(pm1);
+
+ return dh->y;
+}
+
+mpint*
+dh_finish(DHstate *dh, mpint *y)
+{
+ mpint *k = nil;
+
+ if(y == nil || dh->x == nil || dh->p == nil || dh->q == nil)
+ goto Out;
+
+ /* y > 1 */
+ if(mpcmp(y, mpone) <= 0)
+ goto Out;
+
+ k = mpnew(mpsignif(dh->p));
+
+ /* y < p-1 */
+ mpsub(dh->p, mpone, k);
+ if(mpcmp(y, k) >= 0){
+Bad:
+ mpfree(k);
+ k = nil;
+ goto Out;
+ }
+
+ /* y**q % p == 1 if q < p-1 */
+ if(mpcmp(dh->q, k) < 0){
+ mpexp(y, dh->q, dh->p, k);
+ if(mpcmp(k, mpone) != 0)
+ goto Bad;
+ }
+
+ mpexp(y, dh->x, dh->p, k);
+
+Out:
+ mpfree(dh->p);
+ mpfree(dh->q);
+ mpfree(dh->g);
+ mpfree(dh->x);
+ mpfree(dh->y);
+ memset(dh, 0, sizeof(*dh));
+ return k;
+}
--- sys/src/libsec/port/dsaalloc.c Thu Sep 18 03:53:20 2003
+++ /sys/src/libsec/port/dsaalloc.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/dsagen.c Thu Sep 18 03:53:19 2003
+++ /sys/src/libsec/port/dsagen.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/dsaprimes.c Fri Mar 16 03:42:00 2001
+++ /sys/src/libsec/port/dsaprimes.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
@@ -12,7 +13,7 @@
static void
Hrand(uchar *s)
{
- ulong *u = (ulong*)s;
+ u32int *u = (u32int*)s;
*u++ = fastrand();
*u++ = fastrand();
*u++ = fastrand();
--- sys/src/libsec/port/dsaprivtopub.c Thu Jul 25 21:32:06 2002
+++ /sys/src/libsec/port/dsaprivtopub.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/dsasign.c Thu Sep 18 03:53:20 2003
+++ /sys/src/libsec/port/dsasign.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/dsaverify.c Thu Sep 18 03:53:21 2003
+++ /sys/src/libsec/port/dsaverify.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/ecc.c Sat Jun 26 21:21:41 2021
@@ -0,0 +1,613 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+#include <ctype.h>
+
+extern void jacobian_affine(mpint *p,
+ mpint *X, mpint *Y, mpint *Z);
+extern void jacobian_dbl(mpint *p, mpint *a,
+ mpint *X1, mpint *Y1, mpint *Z1,
+ mpint *X3, mpint *Y3, mpint *Z3);
+extern void jacobian_add(mpint *p, mpint *a,
+ mpint *X1, mpint *Y1, mpint *Z1,
+ mpint *X2, mpint *Y2, mpint *Z2,
+ mpint *X3, mpint *Y3, mpint *Z3);
+
+void
+ecassign(ECdomain *dom, ECpoint *a, ECpoint *b)
+{
+ if((b->inf = a->inf) != 0)
+ return;
+ mpassign(a->x, b->x);
+ mpassign(a->y, b->y);
+ if(b->z != nil){
+ mpassign(a->z != nil ? a->z : mpone, b->z);
+ return;
+ }
+ if(a->z != nil){
+ b->z = mpcopy(a->z);
+ jacobian_affine(dom->p, b->x, b->y, b->z);
+ mpfree(b->z);
+ b->z = nil;
+ }
+}
+
+void
+ecadd(ECdomain *dom, ECpoint *a, ECpoint *b, ECpoint *s)
+{
+ if(a->inf && b->inf){
+ s->inf = 1;
+ return;
+ }
+ if(a->inf){
+ ecassign(dom, b, s);
+ return;
+ }
+ if(b->inf){
+ ecassign(dom, a, s);
+ return;
+ }
+
+ if(s->z == nil){
+ s->z = mpcopy(mpone);
+ ecadd(dom, a, b, s);
+ if(!s->inf)
+ jacobian_affine(dom->p, s->x, s->y, s->z);
+ mpfree(s->z);
+ s->z = nil;
+ return;
+ }
+
+ if(a == b)
+ jacobian_dbl(dom->p, dom->a,
+ a->x, a->y, a->z != nil ? a->z : mpone,
+ s->x, s->y, s->z);
+ else
+ jacobian_add(dom->p, dom->a,
+ a->x, a->y, a->z != nil ? a->z : mpone,
+ b->x, b->y, b->z != nil ? b->z : mpone,
+ s->x, s->y, s->z);
+ s->inf = mpcmp(s->z, mpzero) == 0;
+}
+
+void
+ecmul(ECdomain *dom, ECpoint *a, mpint *k, ECpoint *s)
+{
+ ECpoint ns, na;
+ mpint *l;
+
+ if(a->inf || mpcmp(k, mpzero) == 0){
+ s->inf = 1;
+ return;
+ }
+ ns.inf = 1;
+ ns.x = mpnew(0);
+ ns.y = mpnew(0);
+ ns.z = mpnew(0);
+ na.x = mpnew(0);
+ na.y = mpnew(0);
+ na.z = mpnew(0);
+ ecassign(dom, a, &na);
+ l = mpcopy(k);
+ l->sign = 1;
+ while(mpcmp(l, mpzero) != 0){
+ if(l->p[0] & 1)
+ ecadd(dom, &na, &ns, &ns);
+ ecadd(dom, &na, &na, &na);
+ mpright(l, 1, l);
+ }
+ if(k->sign < 0 && !ns.inf){
+ ns.y->sign = -1;
+ mpmod(ns.y, dom->p, ns.y);
+ }
+ ecassign(dom, &ns, s);
+ mpfree(ns.x);
+ mpfree(ns.y);
+ mpfree(ns.z);
+ mpfree(na.x);
+ mpfree(na.y);
+ mpfree(na.z);
+ mpfree(l);
+}
+
+int
+ecverify(ECdomain *dom, ECpoint *a)
+{
+ mpint *p, *q;
+ int r;
+
+ if(a->inf)
+ return 1;
+
+ assert(a->z == nil); /* need affine coordinates */
+ p = mpnew(0);
+ q = mpnew(0);
+ mpmodmul(a->y, a->y, dom->p, p);
+ mpmodmul(a->x, a->x, dom->p, q);
+ mpmodadd(q, dom->a, dom->p, q);
+ mpmodmul(q, a->x, dom->p, q);
+ mpmodadd(q, dom->b, dom->p, q);
+ r = mpcmp(p, q);
+ mpfree(p);
+ mpfree(q);
+ return r == 0;
+}
+
+int
+ecpubverify(ECdomain *dom, ECpub *a)
+{
+ ECpoint p;
+ int r;
+
+ if(a->inf)
+ return 0;
+ if(!ecverify(dom, a))
+ return 0;
+ p.x = mpnew(0);
+ p.y = mpnew(0);
+ p.z = mpnew(0);
+ ecmul(dom, a, dom->n, &p);
+ r = p.inf;
+ mpfree(p.x);
+ mpfree(p.y);
+ mpfree(p.z);
+ return r;
+}
+
+static void
+fixnibble(uchar *a)
+{
+ if(*a >= 'a')
+ *a -= 'a'-10;
+ else if(*a >= 'A')
+ *a -= 'A'-10;
+ else
+ *a -= '0';
+}
+
+static int
+octet(char **s)
+{
+ uchar c, d;
+
+ c = *(*s)++;
+ if(!isxdigit(c))
+ return -1;
+ d = *(*s)++;
+ if(!isxdigit(d))
+ return -1;
+ fixnibble(&c);
+ fixnibble(&d);
+ return (c << 4) | d;
+}
+
+static mpint*
+halfpt(ECdomain *dom, char *s, char **rptr, mpint *out)
+{
+ char *buf, *r;
+ int n;
+ mpint *ret;
+
+ n = ((mpsignif(dom->p)+7)/8)*2;
+ if(strlen(s) < n)
+ return 0;
+ buf = malloc(n+1);
+ buf[n] = 0;
+ memcpy(buf, s, n);
+ ret = strtomp(buf, &r, 16, out);
+ *rptr = s + (r - buf);
+ free(buf);
+ return ret;
+}
+
+static int
+mpleg(mpint *a, mpint *b)
+{
+ int r, k;
+ mpint *m, *n, *t;
+
+ r = 1;
+ m = mpcopy(a);
+ n = mpcopy(b);
+ for(;;){
+ if(mpcmp(m, n) > 0)
+ mpmod(m, n, m);
+ if(mpcmp(m, mpzero) == 0){
+ r = 0;
+ break;
+ }
+ if(mpcmp(m, mpone) == 0)
+ break;
+ k = mplowbits0(m);
+ if(k > 0){
+ if(k & 1)
+ switch(n->p[0] & 15){
+ case 3: case 5: case 11: case 13:
+ r = -r;
+ }
+ mpright(m, k, m);
+ }
+ if((n->p[0] & 3) == 3 && (m->p[0] & 3) == 3)
+ r = -r;
+ t = m;
+ m = n;
+ n = t;
+ }
+ mpfree(m);
+ mpfree(n);
+ return r;
+}
+
+static int
+mpsqrt(mpint *n, mpint *p, mpint *r)
+{
+ mpint *a, *t, *s, *xp, *xq, *yp, *yq, *zp, *zq, *N;
+
+ if(mpleg(n, p) == -1)
+ return 0;
+ a = mpnew(0);
+ t = mpnew(0);
+ s = mpnew(0);
+ N = mpnew(0);
+ xp = mpnew(0);
+ xq = mpnew(0);
+ yp = mpnew(0);
+ yq = mpnew(0);
+ zp = mpnew(0);
+ zq = mpnew(0);
+ for(;;){
+ for(;;){
+ mpnrand(p, genrandom, a);
+ if(mpcmp(a, mpzero) > 0)
+ break;
+ }
+ mpmul(a, a, t);
+ mpsub(t, n, t);
+ mpmod(t, p, t);
+ if(mpleg(t, p) == -1)
+ break;
+ }
+ mpadd(p, mpone, N);
+ mpright(N, 1, N);
+ mpmul(a, a, t);
+ mpsub(t, n, t);
+ mpassign(a, xp);
+ uitomp(1, xq);
+ uitomp(1, yp);
+ uitomp(0, yq);
+ while(mpcmp(N, mpzero) != 0){
+ if(N->p[0] & 1){
+ mpmul(xp, yp, zp);
+ mpmul(xq, yq, zq);
+ mpmul(zq, t, zq);
+ mpadd(zp, zq, zp);
+ mpmod(zp, p, zp);
+ mpmul(xp, yq, zq);
+ mpmul(xq, yp, s);
+ mpadd(zq, s, zq);
+ mpmod(zq, p, yq);
+ mpassign(zp, yp);
+ }
+ mpmul(xp, xp, zp);
+ mpmul(xq, xq, zq);
+ mpmul(zq, t, zq);
+ mpadd(zp, zq, zp);
+ mpmod(zp, p, zp);
+ mpmul(xp, xq, zq);
+ mpadd(zq, zq, zq);
+ mpmod(zq, p, xq);
+ mpassign(zp, xp);
+ mpright(N, 1, N);
+ }
+ if(mpcmp(yq, mpzero) != 0)
+ abort();
+ mpassign(yp, r);
+ mpfree(a);
+ mpfree(t);
+ mpfree(s);
+ mpfree(N);
+ mpfree(xp);
+ mpfree(xq);
+ mpfree(yp);
+ mpfree(yq);
+ mpfree(zp);
+ mpfree(zq);
+ return 1;
+}
+
+ECpoint*
+strtoec(ECdomain *dom, char *s, char **rptr, ECpoint *ret)
+{
+ int allocd, o;
+ mpint *r;
+
+ allocd = 0;
+ if(ret == nil){
+ allocd = 1;
+ ret = mallocz(sizeof(*ret), 1);
+ if(ret == nil)
+ return nil;
+ ret->x = mpnew(0);
+ ret->y = mpnew(0);
+ }
+ ret->inf = 0;
+ o = 0;
+ switch(octet(&s)){
+ case 0:
+ ret->inf = 1;
+ break;
+ case 3:
+ o = 1;
+ case 2:
+ if(halfpt(dom, s, &s, ret->x) == nil)
+ goto err;
+ r = mpnew(0);
+ mpmul(ret->x, ret->x, r);
+ mpadd(r, dom->a, r);
+ mpmul(r, ret->x, r);
+ mpadd(r, dom->b, r);
+ if(!mpsqrt(r, dom->p, r)){
+ mpfree(r);
+ goto err;
+ }
+ if((r->p[0] & 1) != o)
+ mpsub(dom->p, r, r);
+ mpassign(r, ret->y);
+ mpfree(r);
+ if(!ecverify(dom, ret))
+ goto err;
+ break;
+ case 4:
+ if(halfpt(dom, s, &s, ret->x) == nil)
+ goto err;
+ if(halfpt(dom, s, &s, ret->y) == nil)
+ goto err;
+ if(!ecverify(dom, ret))
+ goto err;
+ break;
+ }
+ if(ret->z != nil && !ret->inf)
+ mpassign(mpone, ret->z);
+ return ret;
+
+err:
+ if(rptr)
+ *rptr = s;
+ if(allocd){
+ mpfree(ret->x);
+ mpfree(ret->y);
+ free(ret);
+ }
+ return nil;
+}
+
+ECpriv*
+ecgen(ECdomain *dom, ECpriv *p)
+{
+ if(p == nil){
+ p = mallocz(sizeof(*p), 1);
+ if(p == nil)
+ return nil;
+ p->x = mpnew(0);
+ p->y = mpnew(0);
+ p->d = mpnew(0);
+ }
+ for(;;){
+ mpnrand(dom->n, genrandom, p->d);
+ if(mpcmp(p->d, mpzero) > 0)
+ break;
+ }
+ ecmul(dom, &dom->G, p->d, p);
+ return p;
+}
+
+void
+ecdsasign(ECdomain *dom, ECpriv *priv, uchar *dig, int len, mpint *r, mpint *s)
+{
+ ECpriv tmp;
+ mpint *E, *t;
+
+ tmp.x = mpnew(0);
+ tmp.y = mpnew(0);
+ tmp.z = nil;
+ tmp.d = mpnew(0);
+ E = betomp(dig, len, nil);
+ t = mpnew(0);
+ if(mpsignif(dom->n) < 8*len)
+ mpright(E, 8*len - mpsignif(dom->n), E);
+ for(;;){
+ ecgen(dom, &tmp);
+ mpmod(tmp.x, dom->n, r);
+ if(mpcmp(r, mpzero) == 0)
+ continue;
+ mpmul(r, priv->d, s);
+ mpadd(E, s, s);
+ mpinvert(tmp.d, dom->n, t);
+ mpmodmul(s, t, dom->n, s);
+ if(mpcmp(s, mpzero) != 0)
+ break;
+ }
+ mpfree(t);
+ mpfree(E);
+ mpfree(tmp.x);
+ mpfree(tmp.y);
+ mpfree(tmp.d);
+}
+
+int
+ecdsaverify(ECdomain *dom, ECpub *pub, uchar *dig, int len, mpint *r, mpint *s)
+{
+ mpint *E, *t, *u1, *u2;
+ ECpoint R, S;
+ int ret;
+
+ if(mpcmp(r, mpone) < 0 || mpcmp(s, mpone) < 0 || mpcmp(r, dom->n) >= 0 || mpcmp(r, dom->n) >= 0)
+ return 0;
+ E = betomp(dig, len, nil);
+ if(mpsignif(dom->n) < 8*len)
+ mpright(E, 8*len - mpsignif(dom->n), E);
+ t = mpnew(0);
+ u1 = mpnew(0);
+ u2 = mpnew(0);
+ R.x = mpnew(0);
+ R.y = mpnew(0);
+ R.z = mpnew(0);
+ S.x = mpnew(0);
+ S.y = mpnew(0);
+ S.z = mpnew(0);
+ mpinvert(s, dom->n, t);
+ mpmodmul(E, t, dom->n, u1);
+ mpmodmul(r, t, dom->n, u2);
+ ecmul(dom, &dom->G, u1, &R);
+ ecmul(dom, pub, u2, &S);
+ ecadd(dom, &R, &S, &R);
+ ret = 0;
+ if(!R.inf){
+ jacobian_affine(dom->p, R.x, R.y, R.z);
+ mpmod(R.x, dom->n, t);
+ ret = mpcmp(r, t) == 0;
+ }
+ mpfree(E);
+ mpfree(t);
+ mpfree(u1);
+ mpfree(u2);
+ mpfree(R.x);
+ mpfree(R.y);
+ mpfree(R.z);
+ mpfree(S.x);
+ mpfree(S.y);
+ mpfree(S.z);
+ return ret;
+}
+
+static char *code = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
+
+void
+base58enc(uchar *src, char *dst, int len)
+{
+ mpint *n, *r, *b;
+ char *sdst, t;
+
+ sdst = dst;
+ n = betomp(src, len, nil);
+ b = uitomp(58, nil);
+ r = mpnew(0);
+ while(mpcmp(n, mpzero) != 0){
+ mpdiv(n, b, n, r);
+ *dst++ = code[mptoui(r)];
+ }
+ for(; *src == 0; src++)
+ *dst++ = code[0];
+ *dst-- = 0;
+ while(dst > sdst){
+ t = *sdst;
+ *sdst++ = *dst;
+ *dst-- = t;
+ }
+}
+
+int
+base58dec(char *src, uchar *dst, int len)
+{
+ mpint *n, *b, *r;
+ char *t;
+
+ n = mpnew(0);
+ r = mpnew(0);
+ b = uitomp(58, nil);
+ for(; *src; src++){
+ t = strchr(code, *src);
+ if(t == nil){
+ mpfree(n);
+ mpfree(r);
+ mpfree(b);
+ werrstr("invalid base58 char");
+ return -1;
+ }
+ uitomp(t - code, r);
+ mpmul(n, b, n);
+ mpadd(n, r, n);
+ }
+ mptober(n, dst, len);
+ mpfree(n);
+ mpfree(r);
+ mpfree(b);
+ return 0;
+}
+
+void
+ecdominit(ECdomain *dom, void (*init)(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h))
+{
+ memset(dom, 0, sizeof(*dom));
+ dom->p = mpnew(0);
+ dom->a = mpnew(0);
+ dom->b = mpnew(0);
+ dom->G.x = mpnew(0);
+ dom->G.y = mpnew(0);
+ dom->n = mpnew(0);
+ dom->h = mpnew(0);
+ if(init){
+ (*init)(dom->p, dom->a, dom->b, dom->G.x, dom->G.y, dom->n, dom->h);
+ dom->p = mpfield(dom->p);
+ }
+}
+
+void
+ecdomfree(ECdomain *dom)
+{
+ mpfree(dom->p);
+ mpfree(dom->a);
+ mpfree(dom->b);
+ mpfree(dom->G.x);
+ mpfree(dom->G.y);
+ mpfree(dom->n);
+ mpfree(dom->h);
+ memset(dom, 0, sizeof(*dom));
+}
+
+int
+ecencodepub(ECdomain *dom, ECpub *pub, uchar *data, int len)
+{
+ int n;
+
+ n = (mpsignif(dom->p)+7)/8;
+ if(len < 1 + 2*n)
+ return 0;
+ len = 1 + 2*n;
+ data[0] = 0x04;
+ mptober(pub->x, data+1, n);
+ mptober(pub->y, data+1+n, n);
+ return len;
+}
+
+ECpub*
+ecdecodepub(ECdomain *dom, uchar *data, int len)
+{
+ ECpub *pub;
+ int n;
+
+ n = (mpsignif(dom->p)+7)/8;
+ if(len != 1 + 2*n || data[0] != 0x04)
+ return nil;
+ pub = mallocz(sizeof(*pub), 1);
+ if(pub == nil)
+ return nil;
+ pub->x = betomp(data+1, n, nil);
+ pub->y = betomp(data+1+n, n, nil);
+ if(!ecpubverify(dom, pub)){
+ ecpubfree(pub);
+ pub = nil;
+ }
+ return pub;
+}
+
+void
+ecpubfree(ECpub *p)
+{
+ if(p == nil)
+ return;
+ mpfree(p->x);
+ mpfree(p->y);
+ free(p);
+}
--- sys/src/libsec/port/egalloc.c Thu Sep 18 03:53:18 2003
+++ /sys/src/libsec/port/egalloc.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/egdecrypt.c Fri Mar 16 03:42:00 2001
+++ /sys/src/libsec/port/egdecrypt.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/egencrypt.c Fri Mar 1 21:12:59 2002
+++ /sys/src/libsec/port/egencrypt.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/eggen.c Thu Jul 25 21:32:05 2002
+++ /sys/src/libsec/port/eggen.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/egprivtopub.c Fri Mar 16 03:42:00 2001
+++ /sys/src/libsec/port/egprivtopub.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/egsign.c Thu Jul 25 21:32:05 2002
+++ /sys/src/libsec/port/egsign.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/egtest.c Fri Mar 16 03:42:01 2001
+++ /sys/src/libsec/port/egtest.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
@@ -9,7 +10,7 @@
mpint *m, *gamma, *delta, *in, *out;
int plen, shift;
- fmtinstall('B', mpconv);
+ fmtinstall('B', mpfmt);
sk = egprivalloc();
sk->pub.p = uitomp(2357, nil);
--- sys/src/libsec/port/egverify.c Fri Mar 16 03:42:01 2001
+++ /sys/src/libsec/port/egverify.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/fastrand.c Mon Oct 28 20:21:41 2002
+++ /sys/src/libsec/port/fastrand.c Sat Jun 26 21:21:41 2021
@@ -1,6 +1,7 @@
-#include <u.h>
-#include <libc.h>
-#include <libsec.h>
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
/*
* use the X917 random number generator to create random
--- sys/src/libsec/port/genprime.c Fri Mar 16 03:42:01 2001
+++ /sys/src/libsec/port/genprime.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
@@ -17,6 +18,7 @@
p->p[p->top-1] &= (x-1);
p->p[p->top-1] |= x;
p->p[0] |= 1;
+ mpnorm(p);
// keep icrementing till it looks prime
for(;;){
--- sys/src/libsec/port/genrandom.c Fri Mar 16 03:42:01 2001
+++ /sys/src/libsec/port/genrandom.c Sat Jun 26 21:21:41 2021
@@ -1,62 +1,46 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
-typedef struct State{
- QLock lock;
- int seeded;
- uvlong seed;
- DES3state des3;
-} State;
-static State x917state;
-
static void
-X917(uchar *rand, int nrand)
+init(Chachastate *cs)
{
- int i, m, n8;
- uvlong I, x;
+ ulong seed[11];
+ int i;
+
+ for(i=0; i<nelem(seed); i++)
+ seed[i] = truerand();
- /* 1. Compute intermediate value I = Ek(time). */
- I = nsec();
- triple_block_cipher(x917state.des3.expanded, (uchar*)&I, 0); /* two-key EDE */
-
- /* 2. x[i] = Ek(I^seed); seed = Ek(x[i]^I); */
- m = (nrand+7)/8;
- for(i=0; i<m; i++){
- x = I ^ x917state.seed;
- triple_block_cipher(x917state.des3.expanded, (uchar*)&x, 0);
- n8 = (nrand>8) ? 8 : nrand;
- memcpy(rand, (uchar*)&x, n8);
- rand += 8;
- nrand -= 8;
- x ^= I;
- triple_block_cipher(x917state.des3.expanded, (uchar*)&x, 0);
- x917state.seed = x;
- }
+ setupChachastate(cs, (uchar*)&seed[0], 32, (uchar*)&seed[8], 12, 20);
+ memset(seed, 0, sizeof(seed));
}
static void
-X917init(void)
+fill(Chachastate *cs, uchar *p, int n)
{
- int n;
- uchar mix[128];
- uchar key3[3][8];
- ulong *ulp;
-
- ulp = (ulong*)key3;
- for(n = 0; n < sizeof(key3)/sizeof(ulong); n++)
- ulp[n] = truerand();
- setupDES3state(&x917state.des3, key3, nil);
- X917(mix, sizeof mix);
- x917state.seeded = 1;
+ Chachastate c;
+
+ c = *cs;
+ chacha_encrypt((uchar*)&cs->input[4], 32, &c);
+ if(++cs->input[13] == 0)
+ if(++cs->input[14] == 0)
+ ++cs->input[15];
+
+ chacha_encrypt(p, n, &c);
+ memset(&c, 0, sizeof(c));
}
void
genrandom(uchar *p, int n)
{
- qlock(&x917state.lock);
- if(x917state.seeded == 0)
- X917init();
- X917(p, n);
- qunlock(&x917state.lock);
+ static QLock lk;
+ static Chachastate cs;
+
+ qlock(&lk);
+ if(cs.rounds == 0)
+ init(&cs);
+ cs.input[4] ^= getpid(); /* fork protection */
+ fill(&cs, p, n);
+ qunlock(&lk);
}
--- sys/src/libsec/port/gensafeprime.c Thu Jul 25 21:32:04 2002
+++ /sys/src/libsec/port/gensafeprime.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/genstrongprime.c Fri Mar 16 03:42:02 2001
+++ /sys/src/libsec/port/genstrongprime.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/hkdf.c Sat Jun 26 21:21:41 2021
@@ -0,0 +1,40 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+/* rfc5869 */
+void
+hkdf_x(salt, nsalt, info, ninfo, key, nkey, d, dlen, x, xlen)
+ uchar *salt, *info, *key, *d;
+ ulong nsalt, ninfo, nkey, dlen;
+ DigestState* (*x)(uchar*, ulong, uchar*, ulong, uchar*, DigestState*);
+ int xlen;
+{
+ uchar prk[256], tmp[256], cnt;
+ DigestState *ds;
+
+ assert(xlen <= sizeof(tmp));
+
+ memset(tmp, 0, xlen);
+ if(nsalt == 0){
+ salt = tmp;
+ nsalt = xlen;
+ }
+ /* note that salt and key are swapped in this case */
+ (*x)(key, nkey, salt, nsalt, prk, nil);
+ ds = nil;
+ for(cnt=1;; cnt++) {
+ if(ninfo > 0)
+ ds = (*x)(info, ninfo, prk, xlen, nil, ds);
+ (*x)(&cnt, 1, prk, xlen, tmp, ds);
+ if(dlen <= xlen){
+ memmove(d, tmp, dlen);
+ break;
+ }
+ memmove(d, tmp, xlen);
+ dlen -= xlen;
+ d += xlen;
+ ds = (*x)(tmp, xlen, prk, xlen, nil, nil);
+ }
+}
--- sys/src/libsec/port/hmac.c Tue Aug 28 20:13:48 2007
+++ /sys/src/libsec/port/hmac.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,6 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
#include <libsec.h>
/* rfc2104 */
@@ -11,8 +13,13 @@
if(xlen > sizeof(innerdigest))
return nil;
- if(klen > Hmacblksz)
- return nil;
+ if(klen > Hmacblksz){
+ if(xlen > Hmacblksz)
+ return nil;
+ (*x)(key, klen, innerdigest, nil);
+ key = innerdigest;
+ klen = xlen;
+ }
/* first time through */
if(s == nil || s->seeded == 0){
--- sys/src/libsec/port/hmactest.c Fri Mar 16 03:42:02 2001
+++ /sys/src/libsec/port/hmactest.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/jacobian.c Wed Jun 30 17:38:31 2021
@@ -0,0 +1,220 @@
+#include "os.h"
+#include <mp.h>
+
+void
+jacobian_new(mpint *x, mpint *y, mpint *z, mpint *X, mpint *Y, mpint *Z)
+{
+ mpassign(x, X);
+ mpassign(y, Y);
+ mpassign(z, Z);
+}
+
+void
+jacobian_inf(mpint *X, mpint *Y, mpint *Z)
+{
+ jacobian_new(mpzero, mpone, mpzero, X, Y, Z);
+}
+
+void
+jacobian_affine(mpint *p, mpint *X, mpint *Y, mpint *Z)
+{
+ mpint *ZZZ = mpnew(0);
+ mpint *ZZ = mpnew(0);
+
+ if(mpcmp(Z, mpzero) != 0){
+ mpmodmul(Z, Z, p, ZZ);
+ mpmodmul(ZZ, Z, p, ZZZ);
+ mpint *inv = mpnew(0);
+ mpinvert(ZZ, p, inv);
+ mpmodmul(X, inv, p, X);
+ mpfree(inv);
+ inv = mpnew(0);
+ mpinvert(ZZZ, p, inv);
+ mpmodmul(Y, inv, p, Y);
+ mpfree(inv);
+ mpassign(mpone, Z);
+ }
+ mpfree(ZZZ);
+ mpfree(ZZ);
+}
+
+void
+jacobian_dbl(mpint *p, mpint *a, mpint *X1, mpint *Y1, mpint *Z1, mpint *X3, mpint *Y3, mpint *Z3)
+{
+ /*
+ * if(Y1 == 0) {
+ * X3,Y3,Z3 = jacobian_inf();
+ * } else {
+ * XX = X1^2;
+ * YY = Y1^2;
+ * YYYY = YY^2;
+ * ZZ = Z1^2;
+ * S = 2*((X1+YY)^2-XX-YYYY);
+ * M = 3*XX+a*ZZ^2;
+ * Z3 = (Y1+Z1)^2-YY-ZZ;
+ * X3 = M^2-2*S;
+ * Y3 = M*(S-X3)-8*YYYY;
+ * }
+ */
+ mpint *M = mpnew(0);
+ mpint *S = mpnew(0);
+ mpint *ZZ = mpnew(0);
+ mpint *YYYY = mpnew(0);
+ mpint *YY = mpnew(0);
+ mpint *XX = mpnew(0);
+ if(mpcmp(Y1, mpzero) == 0)
+ jacobian_inf(X3, Y3, Z3);
+ else{
+ mpmodmul(X1, X1, p, XX);
+ mpmodmul(Y1, Y1, p, YY);
+ mpmodmul(YY, YY, p, YYYY);
+ mpmodmul(Z1, Z1, p, ZZ);
+ mpint *tmp1 = mpnew(0);
+ mpmodadd(X1, YY, p, tmp1);
+ mpmodmul(tmp1, tmp1, p, tmp1);
+ mpmodsub(tmp1, XX, p, tmp1);
+ mpmodsub(tmp1, YYYY, p, tmp1);
+ mpmodadd(tmp1, tmp1, p, S); // 2*tmp1
+ mpfree(tmp1);
+ tmp1 = mpnew(0);
+ uitomp(3UL, tmp1);
+ mpmodmul(tmp1, XX, p, M);
+ mpfree(tmp1);
+ tmp1 = mpnew(0);
+ mpint *tmp2 = mpnew(0);
+ mpmodmul(ZZ, ZZ, p, tmp2);
+ mpmodmul(a, tmp2, p, tmp1);
+ mpfree(tmp2);
+ mpmodadd(M, tmp1, p, M);
+ mpfree(tmp1);
+ mpmodadd(Y1, Z1, p, Z3);
+ mpmodmul(Z3, Z3, p, Z3);
+ mpmodsub(Z3, YY, p, Z3);
+ mpmodsub(Z3, ZZ, p, Z3);
+ mpmodmul(M, M, p, X3);
+ tmp1 = mpnew(0);
+ mpmodadd(S, S, p, tmp1); // 2*S
+ mpmodsub(X3, tmp1, p, X3);
+ mpfree(tmp1);
+ tmp1 = mpnew(0);
+ mpmodsub(S, X3, p, tmp1);
+ mpmodmul(M, tmp1, p, Y3);
+ mpfree(tmp1);
+ tmp1 = mpnew(0);
+ tmp2 = mpnew(0);
+ uitomp(8UL, tmp2);
+ mpmodmul(tmp2, YYYY, p, tmp1);
+ mpfree(tmp2);
+ mpmodsub(Y3, tmp1, p, Y3);
+ mpfree(tmp1);
+ }
+ mpfree(M);
+ mpfree(S);
+ mpfree(ZZ);
+ mpfree(YYYY);
+ mpfree(YY);
+ mpfree(XX);
+}
+
+void
+jacobian_add(mpint *p, mpint *a, mpint *X1, mpint *Y1, mpint *Z1, mpint *X2, mpint *Y2, mpint *Z2, mpint *X3, mpint *Y3, mpint *Z3)
+{
+ /*
+ * Z1Z1 = Z1^2;
+ * Z2Z2 = Z2^2;
+ * U1 = X1*Z2Z2;
+ * U2 = X2*Z1Z1;
+ * S1 = Y1*Z2*Z2Z2;
+ * S2 = Y2*Z1*Z1Z1;
+ * if(U1 == U2) {
+ * if(S1 != S2) {
+ * X3,Y3,Z3 = jacobian_inf();
+ * } else {
+ * X3,Y3,Z3 = jacobian_dbl(p,a, X1,Y1,Z1);
+ * }
+ * } else {
+ * H = U2-U1;
+ * I = (2*H)^2;
+ * J = H*I;
+ * r = 2*(S2-S1);
+ * V = U1*I;
+ * X3 = r^2-J-2*V;
+ * Y3 = r*(V-X3)-2*S1*J;
+ * Z3 = ((Z1+Z2)^2-Z1Z1-Z2Z2)*H;
+ * }
+ */
+ mpint *V = mpnew(0);
+ mpint *r = mpnew(0);
+ mpint *J = mpnew(0);
+ mpint *I = mpnew(0);
+ mpint *H = mpnew(0);
+ mpint *S2 = mpnew(0);
+ mpint *S1 = mpnew(0);
+ mpint *U2 = mpnew(0);
+ mpint *U1 = mpnew(0);
+ mpint *Z2Z2 = mpnew(0);
+ mpint *Z1Z1 = mpnew(0);
+ mpmodmul(Z1, Z1, p, Z1Z1);
+ mpmodmul(Z2, Z2, p, Z2Z2);
+ mpmodmul(X1, Z2Z2, p, U1);
+ mpmodmul(X2, Z1Z1, p, U2);
+ mpint *tmp1 = mpnew(0);
+ mpmodmul(Y1, Z2, p, tmp1);
+ mpmodmul(tmp1, Z2Z2, p, S1);
+ mpfree(tmp1);
+ tmp1 = mpnew(0);
+ mpmodmul(Y2, Z1, p, tmp1);
+ mpmodmul(tmp1, Z1Z1, p, S2);
+ mpfree(tmp1);
+ if(mpcmp(U1, U2) == 0){
+ if(mpcmp(S1, S2) != 0)
+ jacobian_inf(X3, Y3, Z3);
+ else
+ jacobian_dbl(p, a, X1, Y1, Z1, X3, Y3, Z3);
+ }else{
+ mpmodsub(U2, U1, p, H);
+ mpmodadd(H, H, p, I); // 2*H
+ mpmodmul(I, I, p, I);
+ mpmodmul(H, I, p, J);
+ mpint *tmp2 = mpnew(0);
+ mpmodsub(S2, S1, p, tmp2);
+ mpmodadd(tmp2, tmp2, p, r); // 2*tmp2
+ mpfree(tmp2);
+ mpmodmul(U1, I, p, V);
+ mpmodmul(r, r, p, X3);
+ mpmodsub(X3, J, p, X3);
+ tmp2 = mpnew(0);
+ mpmodadd(V, V, p, tmp2); // 2*V
+ mpmodsub(X3, tmp2, p, X3);
+ mpfree(tmp2);
+ tmp2 = mpnew(0);
+ mpmodsub(V, X3, p, tmp2);
+ mpmodmul(r, tmp2, p, Y3);
+ mpfree(tmp2);
+ tmp2 = mpnew(0);
+ mpint *tmp3 = mpnew(0);
+ mpmodadd(S1, S1, p, tmp3); // 2*S1
+ mpmodmul(tmp3, J, p, tmp2);
+ mpfree(tmp3);
+ mpmodsub(Y3, tmp2, p, Y3);
+ mpfree(tmp2);
+ tmp2 = mpnew(0);
+ mpmodadd(Z1, Z2, p, tmp2);
+ mpmodmul(tmp2, tmp2, p, tmp2);
+ mpmodsub(tmp2, Z1Z1, p, tmp2);
+ mpmodsub(tmp2, Z2Z2, p, tmp2);
+ mpmodmul(tmp2, H, p, Z3);
+ mpfree(tmp2);
+ }
+ mpfree(V);
+ mpfree(r);
+ mpfree(J);
+ mpfree(I);
+ mpfree(H);
+ mpfree(S2);
+ mpfree(S1);
+ mpfree(U2);
+ mpfree(U1);
+ mpfree(Z2Z2);
+ mpfree(Z1Z1);
+}
--- sys/src/libsec/port/md4.c Fri Mar 1 21:12:59 2002
+++ /sys/src/libsec/port/md4.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <libsec.h>
/*
--- sys/src/libsec/port/md4test.c Fri Mar 16 03:42:02 2001
+++ /sys/src/libsec/port/md4test.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/md5.c Tue Aug 28 20:13:48 2007
+++ /sys/src/libsec/port/md5.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,6 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
#include <libsec.h>
/*
--- sys/src/libsec/port/md5block.c Tue Mar 20 22:48:05 2001
+++ /sys/src/libsec/port/md5block.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,6 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
#include <libsec.h>
/*
--- sys/src/libsec/port/mkfile Thu Jul 1 17:28:57 2021
+++ /sys/src/libsec/port/mkfile Sat Jun 26 21:21:41 2021
@@ -3,11 +3,15 @@
LIB=/$objtype/lib/libsec.a
CFILES = des.c desmodes.c desECB.c desCBC.c des3ECB.c des3CBC.c\
- aes.c blowfish.c chacha.c \
+ aes.c aesni.c aesCBC.c aesCFB.c aesCTR.c aesOFB.c aes_gcm.c \
+ blowfish.c \
hmac.c md5.c md5block.c md4.c sha1.c sha1block.c\
sha2_64.c sha2_128.c sha2block64.c sha2block128.c\
sha1pickle.c md5pickle.c\
+ poly1305.c\
rc4.c\
+ chacha.c chachablock.c\
+ salsa.c\
genrandom.c prng.c fastrand.c nfastrand.c\
probably_prime.c smallprimetest.c genprime.c dsaprimes.c\
gensafeprime.c genstrongprime.c\
@@ -17,7 +21,23 @@
egsign.c egverify.c \
dsagen.c dsaalloc.c dsaprivtopub.c dsasign.c dsaverify.c \
tlshand.c thumb.c readcert.c \
+ aes_xts.c \
+ ecc.c\
+ jacobian.c\
+ ripemd.c\
+ dh.c\
+ curve25519.c\
+ curve25519_dh.c\
pbkdf2.c\
+ scrypt.c\
+ hkdf.c\
+ ccpoly.c\
+ tsmemcmp.c\
+ secp256r1.c\
+ secp384r1.c\
+ secp256k1.c\
+
+# CLEANFILES=secp256r1.c secp384r1.c secp256k1.c jacobian.c
ALLOFILES=${CFILES:%.c=%.$O}
@@ -35,4 +55,10 @@
</sys/src/cmd/mksyslib
$O.rsatest: rsatest.$O
+ $LD -o $target $prereq
+
+$O.chachatest: chachatest.$O
+ $LD -o $target $prereq
+
+$O.aesgcmtest: aesgcmtest.$O
$LD -o $target $prereq
--- sys/src/libsec/port/nfastrand.c Thu Sep 18 03:53:15 2003
+++ /sys/src/libsec/port/nfastrand.c Sat Jun 26 21:21:41 2021
@@ -1,5 +1,6 @@
#include <u.h>
#include <libc.h>
+#include <mp.h>
#include <libsec.h>
#define Maxrand ((1UL<<31)-1)
--- sys/src/libsec/port/pbkdf2.c Thu Jul 1 17:28:55 2021
+++ /sys/src/libsec/port/pbkdf2.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,6 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
#include <libsec.h>
/* rfc2898 */
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/poly1305.c Sat Jun 26 21:21:41 2021
@@ -0,0 +1,197 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+/*
+ poly1305 implementation using 32 bit * 32 bit = 64 bit multiplication and 64 bit addition
+
+ derived from http://github.com/floodberry/poly1305-donna
+*/
+
+#define U8TO32(p) ((u32int)(p)[0] | (u32int)(p)[1]<<8 | (u32int)(p)[2]<<16 | (u32int)(p)[3]<<24)
+#define U32TO8(p, v) (p)[0]=(v), (p)[1]=(v)>>8, (p)[2]=(v)>>16, (p)[3]=(v)>>24
+
+/* (r,s) = (key[0:15],key[16:31]), the one time key */
+DigestState*
+poly1305(uchar *m, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s)
+{
+ u32int r0,r1,r2,r3,r4, s1,s2,s3,s4, h0,h1,h2,h3,h4, g0,g1,g2,g3,g4;
+ u64int d0,d1,d2,d3,d4, f;
+ u32int hibit, mask, c;
+
+ if(s == nil){
+ s = malloc(sizeof(*s));
+ if(s == nil)
+ return nil;
+ memset(s, 0, sizeof(*s));
+ s->malloced = 1;
+ }
+
+ if(s->seeded == 0){
+ assert(klen == 32);
+
+ /* r &= 0xffffffc0ffffffc0ffffffc0fffffff */
+ s->state[0] = (U8TO32(&key[ 0]) ) & 0x3ffffff;
+ s->state[1] = (U8TO32(&key[ 3]) >> 2) & 0x3ffff03;
+ s->state[2] = (U8TO32(&key[ 6]) >> 4) & 0x3ffc0ff;
+ s->state[3] = (U8TO32(&key[ 9]) >> 6) & 0x3f03fff;
+ s->state[4] = (U8TO32(&key[12]) >> 8) & 0x00fffff;
+
+ /* h = 0 */
+ s->state[5] = 0;
+ s->state[6] = 0;
+ s->state[7] = 0;
+ s->state[8] = 0;
+ s->state[9] = 0;
+
+ /* save pad for later */
+ s->state[10] = U8TO32(&key[16]);
+ s->state[11] = U8TO32(&key[20]);
+ s->state[12] = U8TO32(&key[24]);
+ s->state[13] = U8TO32(&key[28]);
+
+ s->seeded = 1;
+ }
+
+ if(s->blen){
+ c = 16 - s->blen;
+ if(c > len)
+ c = len;
+ memmove(s->buf + s->blen, m, c);
+ len -= c, m += c;
+ s->blen += c;
+ if(s->blen == 16){
+ s->blen = 0;
+ poly1305(s->buf, 16, key, klen, nil, s);
+ } else if(len == 0){
+ m = s->buf;
+ len = s->blen;
+ s->blen = 0;
+ }
+ }
+
+ r0 = s->state[0];
+ r1 = s->state[1];
+ r2 = s->state[2];
+ r3 = s->state[3];
+ r4 = s->state[4];
+
+ h0 = s->state[5];
+ h1 = s->state[6];
+ h2 = s->state[7];
+ h3 = s->state[8];
+ h4 = s->state[9];
+
+ s1 = r1 * 5;
+ s2 = r2 * 5;
+ s3 = r3 * 5;
+ s4 = r4 * 5;
+
+ hibit = 1<<24; /* 1<<128 */
+
+ while(len >= 16){
+Block:
+ /* h += m[i] */
+ h0 += (U8TO32(&m[0]) ) & 0x3ffffff;
+ h1 += (U8TO32(&m[3]) >> 2) & 0x3ffffff;
+ h2 += (U8TO32(&m[6]) >> 4) & 0x3ffffff;
+ h3 += (U8TO32(&m[9]) >> 6) & 0x3ffffff;
+ h4 += (U8TO32(&m[12])>> 8) | hibit;
+
+ /* h *= r */
+ d0 = ((u64int)h0 * r0) + ((u64int)h1 * s4) + ((u64int)h2 * s3) + ((u64int)h3 * s2) + ((u64int)h4 * s1);
+ d1 = ((u64int)h0 * r1) + ((u64int)h1 * r0) + ((u64int)h2 * s4) + ((u64int)h3 * s3) + ((u64int)h4 * s2);
+ d2 = ((u64int)h0 * r2) + ((u64int)h1 * r1) + ((u64int)h2 * r0) + ((u64int)h3 * s4) + ((u64int)h4 * s3);
+ d3 = ((u64int)h0 * r3) + ((u64int)h1 * r2) + ((u64int)h2 * r1) + ((u64int)h3 * r0) + ((u64int)h4 * s4);
+ d4 = ((u64int)h0 * r4) + ((u64int)h1 * r3) + ((u64int)h2 * r2) + ((u64int)h3 * r1) + ((u64int)h4 * r0);
+
+ /* (partial) h %= p */
+ c = (u32int)(d0 >> 26); h0 = (u32int)d0 & 0x3ffffff;
+ d1 += c; c = (u32int)(d1 >> 26); h1 = (u32int)d1 & 0x3ffffff;
+ d2 += c; c = (u32int)(d2 >> 26); h2 = (u32int)d2 & 0x3ffffff;
+ d3 += c; c = (u32int)(d3 >> 26); h3 = (u32int)d3 & 0x3ffffff;
+ d4 += c; c = (u32int)(d4 >> 26); h4 = (u32int)d4 & 0x3ffffff;
+ h0 += c * 5; c = (h0 >> 26); h0 = h0 & 0x3ffffff;
+ h1 += c;
+
+ len -= 16, m += 16;
+ }
+
+ if(len){
+ s->blen = len;
+ memmove(s->buf, m, len);
+ }
+
+ if(digest == nil){
+ s->state[5] = h0;
+ s->state[6] = h1;
+ s->state[7] = h2;
+ s->state[8] = h3;
+ s->state[9] = h4;
+ return s;
+ }
+
+ if(len){
+ m = s->buf;
+ m[len++] = 1;
+ while(len < 16)
+ m[len++] = 0;
+ hibit = 0;
+ goto Block;
+ }
+
+ c = h1 >> 26; h1 = h1 & 0x3ffffff;
+ h2 += c; c = h2 >> 26; h2 = h2 & 0x3ffffff;
+ h3 += c; c = h3 >> 26; h3 = h3 & 0x3ffffff;
+ h4 += c; c = h4 >> 26; h4 = h4 & 0x3ffffff;
+ h0 += c * 5; c = h0 >> 26; h0 = h0 & 0x3ffffff;
+ h1 += c;
+
+ /* compute h + -p */
+ g0 = h0 + 5; c = g0 >> 26; g0 &= 0x3ffffff;
+ g1 = h1 + c; c = g1 >> 26; g1 &= 0x3ffffff;
+ g2 = h2 + c; c = g2 >> 26; g2 &= 0x3ffffff;
+ g3 = h3 + c; c = g3 >> 26; g3 &= 0x3ffffff;
+ g4 = h4 + c - (1 << 26);
+
+ /* select h if h < p, or h + -p if h >= p */
+ mask = (g4 >> 31) - 1;
+ g0 &= mask;
+ g1 &= mask;
+ g2 &= mask;
+ g3 &= mask;
+ g4 &= mask;
+ mask = ~mask;
+ h0 = (h0 & mask) | g0;
+ h1 = (h1 & mask) | g1;
+ h2 = (h2 & mask) | g2;
+ h3 = (h3 & mask) | g3;
+ h4 = (h4 & mask) | g4;
+
+ /* h = h % (2^128) */
+ h0 = (h0 ) | (h1 << 26);
+ h1 = (h1 >> 6) | (h2 << 20);
+ h2 = (h2 >> 12) | (h3 << 14);
+ h3 = (h3 >> 18) | (h4 << 8);
+
+ /* digest = (h + pad) % (2^128) */
+ f = (u64int)h0 + s->state[10] ; h0 = (u32int)f;
+ f = (u64int)h1 + s->state[11] + (f >> 32); h1 = (u32int)f;
+ f = (u64int)h2 + s->state[12] + (f >> 32); h2 = (u32int)f;
+ f = (u64int)h3 + s->state[13] + (f >> 32); h3 = (u32int)f;
+
+ U32TO8(&digest[0], h0);
+ U32TO8(&digest[4], h1);
+ U32TO8(&digest[8], h2);
+ U32TO8(&digest[12], h3);
+
+ if(s->malloced){
+ memset(s, 0, sizeof(*s));
+ free(s);
+ return nil;
+ }
+
+ memset(s, 0, sizeof(*s));
+ return nil;
+}
--- sys/src/libsec/port/primetest.c Fri Mar 16 03:42:03 2001
+++ /sys/src/libsec/port/primetest.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
@@ -10,7 +11,7 @@
mpint *q = mpnew(0);
mpint *nine = mpnew(0);
- fmtinstall('B', mpconv);
+ fmtinstall('B', mpfmt);
strtomp("2492491", nil, 16, z); // 38347921 = x*y = (2**28-9)/7,
// an example of 3**(n-1)=1 mod n
strtomp("15662C00E811", nil, 16, p);// 23528569104401, a prime
--- sys/src/libsec/port/prng.c Fri Mar 16 03:42:03 2001
+++ /sys/src/libsec/port/prng.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/probably_prime.c Sun Mar 7 21:36:11 2010
+++ /sys/src/libsec/port/probably_prime.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
@@ -21,10 +22,10 @@
nrep = 18;
k = mptoi(n);
- if(k == 2) /* 2 is prime */
- return 1;
if(k < 2) /* 1 is not prime */
return 0;
+ if(k == 2 || k == 3) /* 2, 3 is prime */
+ return 1;
if((n->p[0] & 1) == 0) /* even is not prime */
return 0;
--- sys/src/libsec/port/rc4.c Fri Mar 1 21:13:00 2002
+++ /sys/src/libsec/port/rc4.c Sat Jun 26 21:21:41 2021
@@ -1,4 +1,6 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
#include <libsec.h>
void
--- sys/src/libsec/port/readcert.c Wed Aug 15 21:43:32 2007
+++ /sys/src/libsec/port/readcert.c Sat Jun 26 21:21:41 2021
@@ -1,6 +1,5 @@
#include <u.h>
#include <libc.h>
-#include <auth.h>
#include <mp.h>
#include <libsec.h>
@@ -11,7 +10,7 @@
char *s;
Dir *d;
- fd = open(name, OREAD);
+ fd = open(name, OREAD|OCEXEC);
if(fd < 0)
return nil;
if((d = dirfstat(fd)) == nil) {
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/ripemd.c Sat Jun 26 21:21:42 2021
@@ -0,0 +1,385 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+
+#include <libsec.h>
+
+#define BYTES_TO_DWORD(strptr) \
+ (((u32int) *((strptr)+3) << 24) | \
+ ((u32int) *((strptr)+2) << 16) | \
+ ((u32int) *((strptr)+1) << 8) | \
+ ((u32int) *(strptr)))
+
+#define ROL(x, n) (((x) << (n)) | ((x) >> (32-(n))))
+
+/* the five basic functions F(), G() and H() */
+#define F(x, y, z) ((x) ^ (y) ^ (z))
+#define G(x, y, z) (((x) & (y)) | (~(x) & (z)))
+#define H(x, y, z) (((x) | ~(y)) ^ (z))
+#define I(x, y, z) (((x) & (z)) | ((y) & ~(z)))
+#define J(x, y, z) ((x) ^ ((y) | ~(z)))
+
+/* the ten basic operations FF() through III() */
+#define FF(a, b, c, d, e, x, s) {\
+ (a) += F((b), (c), (d)) + (x);\
+ (a) = ROL((a), (s)) + (e);\
+ (c) = ROL((c), 10);\
+ }
+#define GG(a, b, c, d, e, x, s) {\
+ (a) += G((b), (c), (d)) + (x) + 0x5a827999UL;\
+ (a) = ROL((a), (s)) + (e);\
+ (c) = ROL((c), 10);\
+ }
+#define HH(a, b, c, d, e, x, s) {\
+ (a) += H((b), (c), (d)) + (x) + 0x6ed9eba1UL;\
+ (a) = ROL((a), (s)) + (e);\
+ (c) = ROL((c), 10);\
+ }
+#define II(a, b, c, d, e, x, s) {\
+ (a) += I((b), (c), (d)) + (x) + 0x8f1bbcdcUL;\
+ (a) = ROL((a), (s)) + (e);\
+ (c) = ROL((c), 10);\
+ }
+#define JJ(a, b, c, d, e, x, s) {\
+ (a) += J((b), (c), (d)) + (x) + 0xa953fd4eUL;\
+ (a) = ROL((a), (s)) + (e);\
+ (c) = ROL((c), 10);\
+ }
+#define FFF(a, b, c, d, e, x, s) {\
+ (a) += F((b), (c), (d)) + (x);\
+ (a) = ROL((a), (s)) + (e);\
+ (c) = ROL((c), 10);\
+ }
+#define GGG(a, b, c, d, e, x, s) {\
+ (a) += G((b), (c), (d)) + (x) + 0x7a6d76e9UL;\
+ (a) = ROL((a), (s)) + (e);\
+ (c) = ROL((c), 10);\
+ }
+#define HHH(a, b, c, d, e, x, s) {\
+ (a) += H((b), (c), (d)) + (x) + 0x6d703ef3UL;\
+ (a) = ROL((a), (s)) + (e);\
+ (c) = ROL((c), 10);\
+ }
+#define III(a, b, c, d, e, x, s) {\
+ (a) += I((b), (c), (d)) + (x) + 0x5c4dd124UL;\
+ (a) = ROL((a), (s)) + (e);\
+ (c) = ROL((c), 10);\
+ }
+#define JJJ(a, b, c, d, e, x, s) {\
+ (a) += J((b), (c), (d)) + (x) + 0x50a28be6UL;\
+ (a) = ROL((a), (s)) + (e);\
+ (c) = ROL((c), 10);\
+ }
+
+
+static void MDinit(u32int *MDbuf)
+{
+ MDbuf[0] = 0x67452301UL;
+ MDbuf[1] = 0xefcdab89UL;
+ MDbuf[2] = 0x98badcfeUL;
+ MDbuf[3] = 0x10325476UL;
+ MDbuf[4] = 0xc3d2e1f0UL;
+
+ return;
+}
+
+static void compress(u32int *MDbuf, u32int *X)
+{
+ u32int aa = MDbuf[0], bb = MDbuf[1], cc = MDbuf[2],
+ dd = MDbuf[3], ee = MDbuf[4];
+ u32int aaa = MDbuf[0], bbb = MDbuf[1], ccc = MDbuf[2],
+ ddd = MDbuf[3], eee = MDbuf[4];
+
+ /* round 1 */
+ FF(aa, bb, cc, dd, ee, X[ 0], 11);
+ FF(ee, aa, bb, cc, dd, X[ 1], 14);
+ FF(dd, ee, aa, bb, cc, X[ 2], 15);
+ FF(cc, dd, ee, aa, bb, X[ 3], 12);
+ FF(bb, cc, dd, ee, aa, X[ 4], 5);
+ FF(aa, bb, cc, dd, ee, X[ 5], 8);
+ FF(ee, aa, bb, cc, dd, X[ 6], 7);
+ FF(dd, ee, aa, bb, cc, X[ 7], 9);
+ FF(cc, dd, ee, aa, bb, X[ 8], 11);
+ FF(bb, cc, dd, ee, aa, X[ 9], 13);
+ FF(aa, bb, cc, dd, ee, X[10], 14);
+ FF(ee, aa, bb, cc, dd, X[11], 15);
+ FF(dd, ee, aa, bb, cc, X[12], 6);
+ FF(cc, dd, ee, aa, bb, X[13], 7);
+ FF(bb, cc, dd, ee, aa, X[14], 9);
+ FF(aa, bb, cc, dd, ee, X[15], 8);
+
+ /* round 2 */
+ GG(ee, aa, bb, cc, dd, X[ 7], 7);
+ GG(dd, ee, aa, bb, cc, X[ 4], 6);
+ GG(cc, dd, ee, aa, bb, X[13], 8);
+ GG(bb, cc, dd, ee, aa, X[ 1], 13);
+ GG(aa, bb, cc, dd, ee, X[10], 11);
+ GG(ee, aa, bb, cc, dd, X[ 6], 9);
+ GG(dd, ee, aa, bb, cc, X[15], 7);
+ GG(cc, dd, ee, aa, bb, X[ 3], 15);
+ GG(bb, cc, dd, ee, aa, X[12], 7);
+ GG(aa, bb, cc, dd, ee, X[ 0], 12);
+ GG(ee, aa, bb, cc, dd, X[ 9], 15);
+ GG(dd, ee, aa, bb, cc, X[ 5], 9);
+ GG(cc, dd, ee, aa, bb, X[ 2], 11);
+ GG(bb, cc, dd, ee, aa, X[14], 7);
+ GG(aa, bb, cc, dd, ee, X[11], 13);
+ GG(ee, aa, bb, cc, dd, X[ 8], 12);
+
+ /* round 3 */
+ HH(dd, ee, aa, bb, cc, X[ 3], 11);
+ HH(cc, dd, ee, aa, bb, X[10], 13);
+ HH(bb, cc, dd, ee, aa, X[14], 6);
+ HH(aa, bb, cc, dd, ee, X[ 4], 7);
+ HH(ee, aa, bb, cc, dd, X[ 9], 14);
+ HH(dd, ee, aa, bb, cc, X[15], 9);
+ HH(cc, dd, ee, aa, bb, X[ 8], 13);
+ HH(bb, cc, dd, ee, aa, X[ 1], 15);
+ HH(aa, bb, cc, dd, ee, X[ 2], 14);
+ HH(ee, aa, bb, cc, dd, X[ 7], 8);
+ HH(dd, ee, aa, bb, cc, X[ 0], 13);
+ HH(cc, dd, ee, aa, bb, X[ 6], 6);
+ HH(bb, cc, dd, ee, aa, X[13], 5);
+ HH(aa, bb, cc, dd, ee, X[11], 12);
+ HH(ee, aa, bb, cc, dd, X[ 5], 7);
+ HH(dd, ee, aa, bb, cc, X[12], 5);
+
+ /* round 4 */
+ II(cc, dd, ee, aa, bb, X[ 1], 11);
+ II(bb, cc, dd, ee, aa, X[ 9], 12);
+ II(aa, bb, cc, dd, ee, X[11], 14);
+ II(ee, aa, bb, cc, dd, X[10], 15);
+ II(dd, ee, aa, bb, cc, X[ 0], 14);
+ II(cc, dd, ee, aa, bb, X[ 8], 15);
+ II(bb, cc, dd, ee, aa, X[12], 9);
+ II(aa, bb, cc, dd, ee, X[ 4], 8);
+ II(ee, aa, bb, cc, dd, X[13], 9);
+ II(dd, ee, aa, bb, cc, X[ 3], 14);
+ II(cc, dd, ee, aa, bb, X[ 7], 5);
+ II(bb, cc, dd, ee, aa, X[15], 6);
+ II(aa, bb, cc, dd, ee, X[14], 8);
+ II(ee, aa, bb, cc, dd, X[ 5], 6);
+ II(dd, ee, aa, bb, cc, X[ 6], 5);
+ II(cc, dd, ee, aa, bb, X[ 2], 12);
+
+ /* round 5 */
+ JJ(bb, cc, dd, ee, aa, X[ 4], 9);
+ JJ(aa, bb, cc, dd, ee, X[ 0], 15);
+ JJ(ee, aa, bb, cc, dd, X[ 5], 5);
+ JJ(dd, ee, aa, bb, cc, X[ 9], 11);
+ JJ(cc, dd, ee, aa, bb, X[ 7], 6);
+ JJ(bb, cc, dd, ee, aa, X[12], 8);
+ JJ(aa, bb, cc, dd, ee, X[ 2], 13);
+ JJ(ee, aa, bb, cc, dd, X[10], 12);
+ JJ(dd, ee, aa, bb, cc, X[14], 5);
+ JJ(cc, dd, ee, aa, bb, X[ 1], 12);
+ JJ(bb, cc, dd, ee, aa, X[ 3], 13);
+ JJ(aa, bb, cc, dd, ee, X[ 8], 14);
+ JJ(ee, aa, bb, cc, dd, X[11], 11);
+ JJ(dd, ee, aa, bb, cc, X[ 6], 8);
+ JJ(cc, dd, ee, aa, bb, X[15], 5);
+ JJ(bb, cc, dd, ee, aa, X[13], 6);
+
+ /* parallel round 1 */
+ JJJ(aaa, bbb, ccc, ddd, eee, X[ 5], 8);
+ JJJ(eee, aaa, bbb, ccc, ddd, X[14], 9);
+ JJJ(ddd, eee, aaa, bbb, ccc, X[ 7], 9);
+ JJJ(ccc, ddd, eee, aaa, bbb, X[ 0], 11);
+ JJJ(bbb, ccc, ddd, eee, aaa, X[ 9], 13);
+ JJJ(aaa, bbb, ccc, ddd, eee, X[ 2], 15);
+ JJJ(eee, aaa, bbb, ccc, ddd, X[11], 15);
+ JJJ(ddd, eee, aaa, bbb, ccc, X[ 4], 5);
+ JJJ(ccc, ddd, eee, aaa, bbb, X[13], 7);
+ JJJ(bbb, ccc, ddd, eee, aaa, X[ 6], 7);
+ JJJ(aaa, bbb, ccc, ddd, eee, X[15], 8);
+ JJJ(eee, aaa, bbb, ccc, ddd, X[ 8], 11);
+ JJJ(ddd, eee, aaa, bbb, ccc, X[ 1], 14);
+ JJJ(ccc, ddd, eee, aaa, bbb, X[10], 14);
+ JJJ(bbb, ccc, ddd, eee, aaa, X[ 3], 12);
+ JJJ(aaa, bbb, ccc, ddd, eee, X[12], 6);
+
+ /* parallel round 2 */
+ III(eee, aaa, bbb, ccc, ddd, X[ 6], 9);
+ III(ddd, eee, aaa, bbb, ccc, X[11], 13);
+ III(ccc, ddd, eee, aaa, bbb, X[ 3], 15);
+ III(bbb, ccc, ddd, eee, aaa, X[ 7], 7);
+ III(aaa, bbb, ccc, ddd, eee, X[ 0], 12);
+ III(eee, aaa, bbb, ccc, ddd, X[13], 8);
+ III(ddd, eee, aaa, bbb, ccc, X[ 5], 9);
+ III(ccc, ddd, eee, aaa, bbb, X[10], 11);
+ III(bbb, ccc, ddd, eee, aaa, X[14], 7);
+ III(aaa, bbb, ccc, ddd, eee, X[15], 7);
+ III(eee, aaa, bbb, ccc, ddd, X[ 8], 12);
+ III(ddd, eee, aaa, bbb, ccc, X[12], 7);
+ III(ccc, ddd, eee, aaa, bbb, X[ 4], 6);
+ III(bbb, ccc, ddd, eee, aaa, X[ 9], 15);
+ III(aaa, bbb, ccc, ddd, eee, X[ 1], 13);
+ III(eee, aaa, bbb, ccc, ddd, X[ 2], 11);
+
+ /* parallel round 3 */
+ HHH(ddd, eee, aaa, bbb, ccc, X[15], 9);
+ HHH(ccc, ddd, eee, aaa, bbb, X[ 5], 7);
+ HHH(bbb, ccc, ddd, eee, aaa, X[ 1], 15);
+ HHH(aaa, bbb, ccc, ddd, eee, X[ 3], 11);
+ HHH(eee, aaa, bbb, ccc, ddd, X[ 7], 8);
+ HHH(ddd, eee, aaa, bbb, ccc, X[14], 6);
+ HHH(ccc, ddd, eee, aaa, bbb, X[ 6], 6);
+ HHH(bbb, ccc, ddd, eee, aaa, X[ 9], 14);
+ HHH(aaa, bbb, ccc, ddd, eee, X[11], 12);
+ HHH(eee, aaa, bbb, ccc, ddd, X[ 8], 13);
+ HHH(ddd, eee, aaa, bbb, ccc, X[12], 5);
+ HHH(ccc, ddd, eee, aaa, bbb, X[ 2], 14);
+ HHH(bbb, ccc, ddd, eee, aaa, X[10], 13);
+ HHH(aaa, bbb, ccc, ddd, eee, X[ 0], 13);
+ HHH(eee, aaa, bbb, ccc, ddd, X[ 4], 7);
+ HHH(ddd, eee, aaa, bbb, ccc, X[13], 5);
+
+ /* parallel round 4 */
+ GGG(ccc, ddd, eee, aaa, bbb, X[ 8], 15);
+ GGG(bbb, ccc, ddd, eee, aaa, X[ 6], 5);
+ GGG(aaa, bbb, ccc, ddd, eee, X[ 4], 8);
+ GGG(eee, aaa, bbb, ccc, ddd, X[ 1], 11);
+ GGG(ddd, eee, aaa, bbb, ccc, X[ 3], 14);
+ GGG(ccc, ddd, eee, aaa, bbb, X[11], 14);
+ GGG(bbb, ccc, ddd, eee, aaa, X[15], 6);
+ GGG(aaa, bbb, ccc, ddd, eee, X[ 0], 14);
+ GGG(eee, aaa, bbb, ccc, ddd, X[ 5], 6);
+ GGG(ddd, eee, aaa, bbb, ccc, X[12], 9);
+ GGG(ccc, ddd, eee, aaa, bbb, X[ 2], 12);
+ GGG(bbb, ccc, ddd, eee, aaa, X[13], 9);
+ GGG(aaa, bbb, ccc, ddd, eee, X[ 9], 12);
+ GGG(eee, aaa, bbb, ccc, ddd, X[ 7], 5);
+ GGG(ddd, eee, aaa, bbb, ccc, X[10], 15);
+ GGG(ccc, ddd, eee, aaa, bbb, X[14], 8);
+
+ /* parallel round 5 */
+ FFF(bbb, ccc, ddd, eee, aaa, X[12] , 8);
+ FFF(aaa, bbb, ccc, ddd, eee, X[15] , 5);
+ FFF(eee, aaa, bbb, ccc, ddd, X[10] , 12);
+ FFF(ddd, eee, aaa, bbb, ccc, X[ 4] , 9);
+ FFF(ccc, ddd, eee, aaa, bbb, X[ 1] , 12);
+ FFF(bbb, ccc, ddd, eee, aaa, X[ 5] , 5);
+ FFF(aaa, bbb, ccc, ddd, eee, X[ 8] , 14);
+ FFF(eee, aaa, bbb, ccc, ddd, X[ 7] , 6);
+ FFF(ddd, eee, aaa, bbb, ccc, X[ 6] , 8);
+ FFF(ccc, ddd, eee, aaa, bbb, X[ 2] , 13);
+ FFF(bbb, ccc, ddd, eee, aaa, X[13] , 6);
+ FFF(aaa, bbb, ccc, ddd, eee, X[14] , 5);
+ FFF(eee, aaa, bbb, ccc, ddd, X[ 0] , 15);
+ FFF(ddd, eee, aaa, bbb, ccc, X[ 3] , 13);
+ FFF(ccc, ddd, eee, aaa, bbb, X[ 9] , 11);
+ FFF(bbb, ccc, ddd, eee, aaa, X[11] , 11);
+
+ /* combine results */
+ ddd += cc + MDbuf[1]; /* final result for MDbuf[0] */
+ MDbuf[1] = MDbuf[2] + dd + eee;
+ MDbuf[2] = MDbuf[3] + ee + aaa;
+ MDbuf[3] = MDbuf[4] + aa + bbb;
+ MDbuf[4] = MDbuf[0] + bb + ccc;
+ MDbuf[0] = ddd;
+
+ return;
+}
+
+static void MDfinish(u32int *MDbuf, uchar *strptr, u32int lswlen, u32int mswlen)
+{
+ unsigned int i; /* counter */
+ u32int X[16]; /* message words */
+
+ memset(X, 0, 16*sizeof(u32int));
+
+ /* put bytes from strptr into X */
+ for (i=0; i<(lswlen&63); i++) {
+ /* byte i goes into word X[i div 4] at pos. 8*(i mod 4) */
+ X[i>>2] ^= (u32int) *strptr++ << (8 * (i&3));
+ }
+
+ /* append the bit m_n == 1 */
+ X[(lswlen>>2)&15] ^= (u32int)1 << (8*(lswlen&3) + 7);
+
+ if ((lswlen & 63) > 55) {
+ /* length goes to next block */
+ compress(MDbuf, X);
+ memset(X, 0, 16*sizeof(u32int));
+ }
+
+ /* append length in bits*/
+ X[14] = lswlen << 3;
+ X[15] = (lswlen >> 29) | (mswlen << 3);
+ compress(MDbuf, X);
+
+ return;
+}
+
+DigestState*
+ripemd160(uchar *p, ulong len, uchar *digest, DigestState *s)
+{
+ u32int x[16];
+ int i, j, k;
+
+ if(s == nil){
+ s = malloc(sizeof(*s));
+ if(s == nil)
+ return nil;
+ memset(s, 0, sizeof(*s));
+ s->malloced = 1;
+ }
+
+ if(s->seeded == 0){
+ MDinit(s->state);
+ s->seeded = 1;
+ }
+
+ /* fill out the partial 64 byte block from previous calls */
+ if(s->blen){
+ i = 64 - s->blen;
+ if(len < i)
+ i = len;
+ memmove(s->buf + s->blen, p, i);
+ len -= i;
+ s->blen += i;
+ p += i;
+ if(s->blen == 64){
+ for(i = 0; i < 16; i++)
+ x[i] = BYTES_TO_DWORD(s->buf + i * 4);
+ compress(s->state, x);
+ s->len += s->blen;
+ s->blen = 0;
+ }
+ }
+
+ /* do 64 byte blocks */
+ i = len & ~0x3f;
+ if(i){
+ for(j = 0; j < i; j += 64){
+ for(k = 0; k < 16; k++)
+ x[k] = BYTES_TO_DWORD(p + j + k * 4);
+ compress(s->state, x);
+ }
+ s->len += i;
+ len -= i;
+ p += i;
+ }
+
+ /* save the left overs if not last call */
+ if(digest == 0){
+ if(len){
+ memmove(s->buf, p, len);
+ s->blen += len;
+ }
+ return s;
+ }
+
+ MDfinish(s->state, p, s->len + len, 0);
+ for(i = 0; i < 5; i++){
+ digest[4 * i] = s->state[i];
+ digest[4 * i + 1] = s->state[i] >> 8;
+ digest[4 * i + 2] = s->state[i] >> 16;
+ digest[4 * i + 3] = s->state[i] >> 24;
+
+ }
+ if(s->malloced == 1)
+ free(s);
+ return nil;
+
+}
--- sys/src/libsec/port/rsaalloc.c Fri Mar 16 03:42:04 2001
+++ /sys/src/libsec/port/rsaalloc.c Sat Jun 26 21:21:42 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/rsadecrypt.c Fri Mar 16 03:42:04 2001
+++ /sys/src/libsec/port/rsadecrypt.c Sat Jun 26 21:21:42 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/rsaencrypt.c Fri Mar 16 03:42:04 2001
+++ /sys/src/libsec/port/rsaencrypt.c Sat Jun 26 21:21:42 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/rsafill.c Mon Feb 17 18:16:11 2003
+++ /sys/src/libsec/port/rsafill.c Sat Jun 26 21:21:42 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/rsagen.c Wed May 12 00:41:09 2004
+++ /sys/src/libsec/port/rsagen.c Sat Jun 26 21:21:42 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
@@ -26,9 +27,13 @@
// find an e relatively prime to phi
t1 = mpnew(0);
t2 = mpnew(0);
- mprand(elen, genrandom, e);
- if(mpcmp(e,mptwo) <= 0)
- itomp(3, e);
+ if(elen == 0)
+ itomp(65537, e);
+ else {
+ mprand(elen, genrandom, e);
+ if(mpcmp(e,mptwo) <= 0)
+ itomp(3, e);
+ }
// See Menezes et al. p.291 "8.8 Note (selecting primes)" for discussion
// of the merits of various choices of primes and exponents. e=3 is a
// common and recommended exponent, but doesn't necessarily work here
@@ -39,6 +44,8 @@
break;
mpadd(mpone, e, e);
}
+ if(d->sign < 0)
+ mpadd(phi, d, d);
mpfree(t1);
mpfree(t2);
--- sys/src/libsec/port/rsaprivtopub.c Fri Mar 16 03:42:05 2001
+++ /sys/src/libsec/port/rsaprivtopub.c Sat Jun 26 21:21:42 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/rsatest.c Sat May 31 22:53:08 2008
+++ /sys/src/libsec/port/rsatest.c Sat Jun 26 21:21:42 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
#include <bio.h>
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/salsa.c Sat Jun 26 21:21:42 2021
@@ -0,0 +1,310 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+/* little-endian data order */
+#define GET4(p) ((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24))
+#define PUT4(p,v) (p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24
+
+#define ROTATE(v,c) (t = v, (u32int)(t << (c)) | (t >> (32 - (c))))
+
+#define ENCRYPT(s, x, y, d) {\
+ u32int v; \
+ v = GET4(s); \
+ v ^= (x)+(y); \
+ PUT4(d, v); \
+}
+
+static uchar sigma[16] = "expand 32-byte k";
+static uchar tau[16] = "expand 16-byte k";
+
+static void
+load(u32int *d, uchar *s, int nw)
+{
+ int i;
+
+ for(i = 0; i < nw; i++, s+=4)
+ d[i] = GET4(s);
+}
+
+void
+setupSalsastate(Salsastate *s, uchar *key, ulong keylen, uchar *iv, ulong ivlen, int rounds)
+{
+ if(keylen != 256/8 && keylen != 128/8)
+ sysfatal("invalid salsa key length");
+ if(ivlen != 64/8
+ && ivlen != 128/8 && ivlen != 192/8) /* hsalsa, xsalsa */
+ sysfatal("invalid salsa iv length");
+ if(rounds == 0)
+ rounds = 20;
+ s->rounds = rounds;
+ if(keylen == 256/8) { /* recommended */
+ load(&s->input[0], sigma+4*0, 1);
+ load(&s->input[1], key +16*0, 4);
+ load(&s->input[5], sigma+4*1, 1);
+ load(&s->input[10], sigma+4*2, 1);
+ load(&s->input[11], key +16*1, 4);
+ load(&s->input[15], sigma+4*3, 1);
+ }else{
+ load(&s->input[0], tau +4*0, 1);
+ load(&s->input[1], key, 4);
+ load(&s->input[5], tau +4*1, 1);
+ load(&s->input[10], tau +4*2, 1);
+ load(&s->input[11], key, 4);
+ load(&s->input[15], tau +4*3, 1);
+ }
+ s->xkey[0] = s->input[1];
+ s->xkey[1] = s->input[2];
+ s->xkey[2] = s->input[3];
+ s->xkey[3] = s->input[4];
+ s->xkey[4] = s->input[11];
+ s->xkey[5] = s->input[12];
+ s->xkey[6] = s->input[13];
+ s->xkey[7] = s->input[14];
+
+ s->ivwords = ivlen/4;
+ s->input[8] = 0;
+ s->input[9] = 0;
+ if(iv == nil){
+ s->input[6] = 0;
+ s->input[7] = 0;
+ }else
+ salsa_setiv(s, iv);
+}
+
+static void
+dorounds(u32int x[16], int rounds)
+{
+ u32int t;
+
+ for(; rounds > 0; rounds -= 2) {
+ x[4] ^= ROTATE( x[0]+x[12], 7);
+ x[8] ^= ROTATE( x[4]+ x[0], 9);
+ x[12] ^= ROTATE( x[8]+ x[4],13);
+ x[0] ^= ROTATE(x[12]+ x[8],18);
+ x[9] ^= ROTATE( x[5]+ x[1], 7);
+ x[13] ^= ROTATE( x[9]+ x[5], 9);
+ x[1] ^= ROTATE(x[13]+ x[9],13);
+ x[5] ^= ROTATE( x[1]+x[13],18);
+ x[14] ^= ROTATE(x[10]+ x[6], 7);
+ x[2] ^= ROTATE(x[14]+x[10], 9);
+ x[6] ^= ROTATE( x[2]+x[14],13);
+ x[10] ^= ROTATE( x[6]+ x[2],18);
+ x[3] ^= ROTATE(x[15]+x[11], 7);
+ x[7] ^= ROTATE( x[3]+x[15], 9);
+ x[11] ^= ROTATE( x[7]+ x[3],13);
+ x[15] ^= ROTATE(x[11]+ x[7],18);
+ x[1] ^= ROTATE( x[0]+ x[3], 7);
+ x[2] ^= ROTATE( x[1]+ x[0], 9);
+ x[3] ^= ROTATE( x[2]+ x[1],13);
+ x[0] ^= ROTATE( x[3]+ x[2],18);
+ x[6] ^= ROTATE( x[5]+ x[4], 7);
+ x[7] ^= ROTATE( x[6]+ x[5], 9);
+ x[4] ^= ROTATE( x[7]+ x[6],13);
+ x[5] ^= ROTATE( x[4]+ x[7],18);
+ x[11] ^= ROTATE(x[10]+ x[9], 7);
+ x[8] ^= ROTATE(x[11]+x[10], 9);
+ x[9] ^= ROTATE( x[8]+x[11],13);
+ x[10] ^= ROTATE( x[9]+ x[8],18);
+ x[12] ^= ROTATE(x[15]+x[14], 7);
+ x[13] ^= ROTATE(x[12]+x[15], 9);
+ x[14] ^= ROTATE(x[13]+x[12],13);
+ x[15] ^= ROTATE(x[14]+x[13],18);
+ }
+}
+
+static void
+hsalsablock(uchar h[32], Salsastate *s)
+{
+ u32int x[16];
+
+ x[0] = s->input[0];
+ x[1] = s->input[1];
+ x[2] = s->input[2];
+ x[3] = s->input[3];
+ x[4] = s->input[4];
+ x[5] = s->input[5];
+ x[6] = s->input[6];
+ x[7] = s->input[7];
+ x[8] = s->input[8];
+ x[9] = s->input[9];
+ x[10] = s->input[10];
+ x[11] = s->input[11];
+ x[12] = s->input[12];
+ x[13] = s->input[13];
+ x[14] = s->input[14];
+ x[15] = s->input[15];
+
+ dorounds(x, s->rounds);
+
+ PUT4(h+0*4, x[0]);
+ PUT4(h+1*4, x[5]);
+ PUT4(h+2*4, x[10]);
+ PUT4(h+3*4, x[15]);
+ PUT4(h+4*4, x[6]);
+ PUT4(h+5*4, x[7]);
+ PUT4(h+6*4, x[8]);
+ PUT4(h+7*4, x[9]);
+}
+
+void
+salsa_setiv(Salsastate *s, uchar *iv)
+{
+ if(s->ivwords == 128/32){
+ /* hsalsa with 128-bit iv */
+ load(&s->input[6], iv, 4);
+ return;
+ }
+ if(s->ivwords == 192/32){
+ /* xsalsa with 192-bit iv */
+ u32int counter[2];
+ uchar h[32];
+
+ counter[0] = s->input[8];
+ counter[1] = s->input[9];
+
+ s->input[1] = s->xkey[0];
+ s->input[2] = s->xkey[1];
+ s->input[3] = s->xkey[2];
+ s->input[4] = s->xkey[3];
+ s->input[11] = s->xkey[4];
+ s->input[12] = s->xkey[5];
+ s->input[13] = s->xkey[6];
+ s->input[14] = s->xkey[7];
+
+ load(&s->input[6], iv, 4);
+
+ hsalsablock(h, s);
+ load(&s->input[1], h+16*0, 4);
+ load(&s->input[11], h+16*1, 4);
+ memset(h, 0, 32);
+
+ s->input[8] = counter[0];
+ s->input[9] = counter[1];
+
+ iv += 16;
+ }
+ /* 64-bit iv */
+ load(&s->input[6], iv, 2);
+}
+
+void
+salsa_setblock(Salsastate *s, u64int blockno)
+{
+ s->input[8] = blockno;
+ s->input[9] = blockno>>32;
+}
+
+static void
+encryptblock(Salsastate *s, uchar *src, uchar *dst)
+{
+ u32int x[16];
+ int i;
+
+ x[0] = s->input[0];
+ x[1] = s->input[1];
+ x[2] = s->input[2];
+ x[3] = s->input[3];
+ x[4] = s->input[4];
+ x[5] = s->input[5];
+ x[6] = s->input[6];
+ x[7] = s->input[7];
+ x[8] = s->input[8];
+ x[9] = s->input[9];
+ x[10] = s->input[10];
+ x[11] = s->input[11];
+ x[12] = s->input[12];
+ x[13] = s->input[13];
+ x[14] = s->input[14];
+ x[15] = s->input[15];
+
+ dorounds(x, s->rounds);
+
+ for(i=0; i<nelem(x); i+=4){
+ ENCRYPT(src, x[i], s->input[i], dst);
+ ENCRYPT(src+4, x[i+1], s->input[i+1], dst+4);
+ ENCRYPT(src+8, x[i+2], s->input[i+2], dst+8);
+ ENCRYPT(src+12, x[i+3], s->input[i+3], dst+12);
+ src += 16;
+ dst += 16;
+ }
+
+ if(++s->input[8] == 0)
+ s->input[9]++;
+}
+
+void
+salsa_encrypt2(uchar *src, uchar *dst, ulong bytes, Salsastate *s)
+{
+ uchar tmp[SalsaBsize];
+
+ for(; bytes >= SalsaBsize; bytes -= SalsaBsize){
+ encryptblock(s, src, dst);
+ src += SalsaBsize;
+ dst += SalsaBsize;
+ }
+ if(bytes > 0){
+ memmove(tmp, src, bytes);
+ encryptblock(s, tmp, tmp);
+ memmove(dst, tmp, bytes);
+ }
+}
+
+void
+salsa_encrypt(uchar *buf, ulong bytes, Salsastate *s)
+{
+ salsa_encrypt2(buf, buf, bytes, s);
+}
+
+void
+salsa_core(u32int in[16], u32int out[16], int rounds)
+{
+ u32int x[16];
+
+ x[0] = in[0];
+ x[1] = in[1];
+ x[2] = in[2];
+ x[3] = in[3];
+ x[4] = in[4];
+ x[5] = in[5];
+ x[6] = in[6];
+ x[7] = in[7];
+ x[8] = in[8];
+ x[9] = in[9];
+ x[10] = in[10];
+ x[11] = in[11];
+ x[12] = in[12];
+ x[13] = in[13];
+ x[14] = in[14];
+ x[15] = in[15];
+
+ dorounds(x, rounds);
+
+ out[0] = x[0] + in[0];
+ out[1] = x[1] + in[1];
+ out[2] = x[2] + in[2];
+ out[3] = x[3] + in[3];
+ out[4] = x[4] + in[4];
+ out[5] = x[5] + in[5];
+ out[6] = x[6] + in[6];
+ out[7] = x[7] + in[7];
+ out[8] = x[8] + in[8];
+ out[9] = x[9] + in[9];
+ out[10] = x[10] + in[10];
+ out[11] = x[11] + in[11];
+ out[12] = x[12] + in[12];
+ out[13] = x[13] + in[13];
+ out[14] = x[14] + in[14];
+ out[15] = x[15] + in[15];
+}
+
+void
+hsalsa(uchar h[32], uchar *key, ulong keylen, uchar nonce[16], int rounds)
+{
+ Salsastate s[1];
+
+ setupSalsastate(s, key, keylen, nonce, 16, rounds);
+ hsalsablock(h, s);
+ memset(s, 0, sizeof(s));
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/scrypt.c Sat Jun 26 21:21:42 2021
@@ -0,0 +1,121 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+#define movw(w, S, D) memmove(D, S, (w)*4)
+
+static void
+xorw(ulong w, u32int *S, u32int *D)
+{
+ for(w /= 8; w; w--, D += 8, S += 8){
+ D[0] ^= S[0];
+ D[1] ^= S[1];
+ D[2] ^= S[2];
+ D[3] ^= S[3];
+ D[4] ^= S[4];
+ D[5] ^= S[5];
+ D[6] ^= S[6];
+ D[7] ^= S[7];
+ }
+}
+
+static void
+scryptBlockMix(ulong R, u32int *B, u32int *Y)
+{
+ u32int X[16];
+ ulong i;
+
+ R *= 2;
+ movw(16, &B[(R-1)*16], X);
+ for(i = 0; i < R; i += 2){
+ xorw(16, &B[i*16], X);
+ salsa_core(X, X, 8);
+ movw(16, X, &Y[i*8]);
+
+ xorw(16, &B[(i+1)*16], X);
+ salsa_core(X, X, 8);
+ movw(16, X, &Y[i*8 + R*8]);
+ }
+}
+
+static void
+scryptROMix(ulong R, ulong N, u32int *V, u32int *X, uchar *B)
+{
+ ulong w, i, d;
+ u32int *Y;
+
+ w = R*32;
+ for(i=0; i<w; i++, B+=4)
+ X[i] = B[0] | (B[1]<<8) | (B[2]<<16) | (B[3]<<24);
+
+ Y = &X[w];
+ for(i=0; i<N; i += 2){
+ movw(w, X, &V[i*w]);
+ scryptBlockMix(R, X, Y);
+
+ movw(w, Y, &V[(i+1)*w]);
+ scryptBlockMix(R, Y, X);
+ }
+ for(i=0; i<N; i += 2){
+ xorw(w, &V[(X[w-16] & (N-1))*w], X);
+ scryptBlockMix(R, X, Y);
+
+ xorw(w, &V[(Y[w-16] & (N-1))*w], Y);
+ scryptBlockMix(R, Y, X);
+ }
+
+ B -= w*4;
+ for(i=0; i<w; i++, B+=4)
+ d = X[i], B[0]=d, B[1]=d>>8, B[2]=d>>16, B[3]=d>>24;
+}
+
+char*
+scrypt(p, plen, s, slen, N, R, P, d, dlen)
+ ulong plen, slen, dlen, N, R, P;
+ uchar *p, *s, *d;
+{
+ static char oom[] = "out of memory";
+
+ ulong rb, i;
+ u32int *V, *X;
+ uchar *B;
+
+ if(P < 1)
+ return "invalid parallelization parameter P";
+ if(R < 1 || R >= (1UL<<(31-7))/P)
+ return "invalid block size parameter R";
+ if(N < 2 || (N & (N-1)) != 0 || N >= (1UL<<(31-7))/R)
+ return "invalid cpu/memory cost parameter N";
+
+ rb = R<<7;
+ if((B = malloc(P*rb)) == nil)
+ return oom;
+ if((V = malloc(N*rb)) == nil){
+ free(B);
+ return oom;
+ }
+ if((X = malloc(2*rb)) == nil){
+ free(V);
+ free(B);
+ return oom;
+ }
+
+ pbkdf2_x(p, plen, s, slen, 1, B, P*rb, hmac_sha2_256, SHA2_256dlen);
+
+ for(i=0; i<P; i++)
+ scryptROMix(R, N, V, X, &B[i*rb]);
+
+ memset(X, 0, 2*rb);
+ free(X);
+
+ memset(V, 0, N*rb);
+ free(V);
+
+ pbkdf2_x(p, plen, B, P*rb, 1, d, dlen, hmac_sha2_256, SHA2_256dlen);
+
+ memset(B, 0, P*rb);
+ free(B);
+
+ return nil;
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/secp256k1.c Wed Jun 30 17:06:13 2021
@@ -0,0 +1,17 @@
+#include "os.h"
+#include <mp.h>
+
+/* E: y² = x³ + ax + b */
+
+void
+secp256k1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h)
+{
+ /* p = 2^256 - 2^32 - 2^9 - 2^8 - 2^7 - 2^6 - 2^4 - 1 */
+ strtomp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F", nil, 16, p);
+ mpassign(mpzero, a);
+ uitomp(7UL, b);
+ strtomp("79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798", nil, 16, x);
+ strtomp("483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8", nil, 16, y);
+ strtomp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141", nil, 16, n);
+ mpassign(mpone, h);
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/secp256r1.c Wed Jun 30 17:03:27 2021
@@ -0,0 +1,18 @@
+#include "os.h"
+#include <mp.h>
+
+/* E: y² = x³ + ax + b */
+
+void
+secp256r1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h)
+{
+ /* p = 2^256 - 2^224 + 2^192 + 2^96 - 1 */
+ strtomp("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF", nil, 16, p);
+ uitomp(3UL, a);
+ mpsub(p, a, a);
+ strtomp("5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B", nil, 16, b);
+ strtomp("6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296", nil, 16, x);
+ strtomp("4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5", nil, 16, y);
+ strtomp("FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551", nil, 16, n);
+ mpassign(mpone, h);
+}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/secp384r1.c Wed Jun 30 17:08:30 2021
@@ -0,0 +1,17 @@
+#include "os.h"
+#include <mp.h>
+
+/* E: y² = x³ + ax + b */
+
+void
+secp384r1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h){
+ /* p = 2^384 - 2^128 - 2^96 + 2^32 - 1 */
+ strtomp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF", nil, 16, p);
+ uitomp(3UL, a);
+ mpsub(p, a, a);
+ strtomp("B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF", nil, 16, b);
+ strtomp("AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B9859F741E082542A385502F25DBF55296C3A545E3872760AB7", nil, 16, x);
+ strtomp("3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A147CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F", nil, 16, y);
+ strtomp("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973", nil, 16, n);
+ mpassign(mpone, h);
+}
--- sys/src/libsec/port/sha1.c Tue Aug 28 20:13:46 2007
+++ /sys/src/libsec/port/sha1.c Sat Jun 26 21:21:42 2021
@@ -1,4 +1,6 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
#include <libsec.h>
static void encode(uchar*, u32int*, ulong);
--- sys/src/libsec/port/sha1block.c Fri Mar 1 21:13:00 2002
+++ /sys/src/libsec/port/sha1block.c Sat Jun 26 21:21:42 2021
@@ -1,12 +1,18 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
+
+#define ROTL(x,n) (((x)<<n)|((x)>>32-n))
+
+#define F0(x,y,z) (0x5a827999 + ((z) ^ ((x) & ((y) ^ (z)))))
+#define F1(x,y,z) (0x6ed9eba1 + ((x) ^ (y) ^ (z)))
+#define F2(x,y,z) (0x8f1bbcdc + (((x) & (y)) | (((x) | (y)) & (z))))
+#define F3(x,y,z) (0xca62c1d6 + ((x) ^ (y) ^ (z)))
void
_sha1block(uchar *p, ulong len, u32int *s)
{
- u32int a, b, c, d, e, x;
+ u32int w[16], a, b, c, d, e;
uchar *end;
- u32int *wp, *wend;
- u32int w[80];
/* at this point, we have a multiple of 64 bytes */
for(end = p+len; p < end;){
@@ -16,168 +22,113 @@
d = s[3];
e = s[4];
- wend = w + 15;
- for(wp = w; wp < wend; wp += 5){
- wp[0] = (p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3];
- e += ((a<<5) | (a>>27)) + wp[0];
- e += 0x5a827999 + (((c^d)&b)^d);
- b = (b<<30)|(b>>2);
-
- wp[1] = (p[4]<<24) | (p[5]<<16) | (p[6]<<8) | p[7];
- d += ((e<<5) | (e>>27)) + wp[1];
- d += 0x5a827999 + (((b^c)&a)^c);
- a = (a<<30)|(a>>2);
-
- wp[2] = (p[8]<<24) | (p[9]<<16) | (p[10]<<8) | p[11];
- c += ((d<<5) | (d>>27)) + wp[2];
- c += 0x5a827999 + (((a^b)&e)^b);
- e = (e<<30)|(e>>2);
-
- wp[3] = (p[12]<<24) | (p[13]<<16) | (p[14]<<8) | p[15];
- b += ((c<<5) | (c>>27)) + wp[3];
- b += 0x5a827999 + (((e^a)&d)^a);
- d = (d<<30)|(d>>2);
-
- wp[4] = (p[16]<<24) | (p[17]<<16) | (p[18]<<8) | p[19];
- a += ((b<<5) | (b>>27)) + wp[4];
- a += 0x5a827999 + (((d^e)&c)^e);
- c = (c<<30)|(c>>2);
-
- p += 20;
- }
-
- wp[0] = (p[0]<<24) | (p[1]<<16) | (p[2]<<8) | p[3];
- e += ((a<<5) | (a>>27)) + wp[0];
- e += 0x5a827999 + (((c^d)&b)^d);
- b = (b<<30)|(b>>2);
-
- x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
- wp[1] = (x<<1) | (x>>31);
- d += ((e<<5) | (e>>27)) + wp[1];
- d += 0x5a827999 + (((b^c)&a)^c);
- a = (a<<30)|(a>>2);
-
- x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
- wp[2] = (x<<1) | (x>>31);
- c += ((d<<5) | (d>>27)) + wp[2];
- c += 0x5a827999 + (((a^b)&e)^b);
- e = (e<<30)|(e>>2);
-
- x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
- wp[3] = (x<<1) | (x>>31);
- b += ((c<<5) | (c>>27)) + wp[3];
- b += 0x5a827999 + (((e^a)&d)^a);
- d = (d<<30)|(d>>2);
-
- x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
- wp[4] = (x<<1) | (x>>31);
- a += ((b<<5) | (b>>27)) + wp[4];
- a += 0x5a827999 + (((d^e)&c)^e);
- c = (c<<30)|(c>>2);
-
- wp += 5;
- p += 4;
-
- wend = w + 40;
- for(; wp < wend; wp += 5){
- x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16];
- wp[0] = (x<<1) | (x>>31);
- e += ((a<<5) | (a>>27)) + wp[0];
- e += 0x6ed9eba1 + (b^c^d);
- b = (b<<30)|(b>>2);
-
- x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
- wp[1] = (x<<1) | (x>>31);
- d += ((e<<5) | (e>>27)) + wp[1];
- d += 0x6ed9eba1 + (a^b^c);
- a = (a<<30)|(a>>2);
-
- x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
- wp[2] = (x<<1) | (x>>31);
- c += ((d<<5) | (d>>27)) + wp[2];
- c += 0x6ed9eba1 + (e^a^b);
- e = (e<<30)|(e>>2);
-
- x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
- wp[3] = (x<<1) | (x>>31);
- b += ((c<<5) | (c>>27)) + wp[3];
- b += 0x6ed9eba1 + (d^e^a);
- d = (d<<30)|(d>>2);
-
- x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
- wp[4] = (x<<1) | (x>>31);
- a += ((b<<5) | (b>>27)) + wp[4];
- a += 0x6ed9eba1 + (c^d^e);
- c = (c<<30)|(c>>2);
- }
-
- wend = w + 60;
- for(; wp < wend; wp += 5){
- x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16];
- wp[0] = (x<<1) | (x>>31);
- e += ((a<<5) | (a>>27)) + wp[0];
- e += 0x8f1bbcdc + ((b&c)|((b|c)&d));
- b = (b<<30)|(b>>2);
-
- x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
- wp[1] = (x<<1) | (x>>31);
- d += ((e<<5) | (e>>27)) + wp[1];
- d += 0x8f1bbcdc + ((a&b)|((a|b)&c));
- a = (a<<30)|(a>>2);
-
- x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
- wp[2] = (x<<1) | (x>>31);
- c += ((d<<5) | (d>>27)) + wp[2];
- c += 0x8f1bbcdc + ((e&a)|((e|a)&b));
- e = (e<<30)|(e>>2);
-
- x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
- wp[3] = (x<<1) | (x>>31);
- b += ((c<<5) | (c>>27)) + wp[3];
- b += 0x8f1bbcdc + ((d&e)|((d|e)&a));
- d = (d<<30)|(d>>2);
-
- x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
- wp[4] = (x<<1) | (x>>31);
- a += ((b<<5) | (b>>27)) + wp[4];
- a += 0x8f1bbcdc + ((c&d)|((c|d)&e));
- c = (c<<30)|(c>>2);
- }
-
- wend = w + 80;
- for(; wp < wend; wp += 5){
- x = wp[-3] ^ wp[-8] ^ wp[-14] ^ wp[-16];
- wp[0] = (x<<1) | (x>>31);
- e += ((a<<5) | (a>>27)) + wp[0];
- e += 0xca62c1d6 + (b^c^d);
- b = (b<<30)|(b>>2);
-
- x = wp[-2] ^ wp[-7] ^ wp[-13] ^ wp[-15];
- wp[1] = (x<<1) | (x>>31);
- d += ((e<<5) | (e>>27)) + wp[1];
- d += 0xca62c1d6 + (a^b^c);
- a = (a<<30)|(a>>2);
-
- x = wp[-1] ^ wp[-6] ^ wp[-12] ^ wp[-14];
- wp[2] = (x<<1) | (x>>31);
- c += ((d<<5) | (d>>27)) + wp[2];
- c += 0xca62c1d6 + (e^a^b);
- e = (e<<30)|(e>>2);
-
- x = wp[0] ^ wp[-5] ^ wp[-11] ^ wp[-13];
- wp[3] = (x<<1) | (x>>31);
- b += ((c<<5) | (c>>27)) + wp[3];
- b += 0xca62c1d6 + (d^e^a);
- d = (d<<30)|(d>>2);
-
- x = wp[1] ^ wp[-4] ^ wp[-10] ^ wp[-12];
- wp[4] = (x<<1) | (x>>31);
- a += ((b<<5) | (b>>27)) + wp[4];
- a += 0xca62c1d6 + (c^d^e);
- c = (c<<30)|(c>>2);
- }
+#define STEP(a,b,c,d,e,f,i) \
+ if(i < 16) {\
+ w[i] = p[0]<<24 | p[1]<<16 | p[2]<<8 | p[3]; \
+ p += 4; \
+ } else { \
+ u32int x = w[i-3&15] ^ w[i-8&15] ^ w[i-14&15] ^ w[i-16&15]; \
+ w[i&15] = ROTL(x, 1); \
+ } \
+ e += ROTL(a, 5) + w[i&15] + f(b,c,d); \
+ b = ROTL(b, 30);
+
+ STEP(a,b,c,d,e,F0,0);
+ STEP(e,a,b,c,d,F0,1);
+ STEP(d,e,a,b,c,F0,2);
+ STEP(c,d,e,a,b,F0,3);
+ STEP(b,c,d,e,a,F0,4);
+
+ STEP(a,b,c,d,e,F0,5);
+ STEP(e,a,b,c,d,F0,6);
+ STEP(d,e,a,b,c,F0,7);
+ STEP(c,d,e,a,b,F0,8);
+ STEP(b,c,d,e,a,F0,9);
+
+ STEP(a,b,c,d,e,F0,10);
+ STEP(e,a,b,c,d,F0,11);
+ STEP(d,e,a,b,c,F0,12);
+ STEP(c,d,e,a,b,F0,13);
+ STEP(b,c,d,e,a,F0,14);
+
+ STEP(a,b,c,d,e,F0,15);
+ STEP(e,a,b,c,d,F0,16);
+ STEP(d,e,a,b,c,F0,17);
+ STEP(c,d,e,a,b,F0,18);
+ STEP(b,c,d,e,a,F0,19);
+
+ STEP(a,b,c,d,e,F1,20);
+ STEP(e,a,b,c,d,F1,21);
+ STEP(d,e,a,b,c,F1,22);
+ STEP(c,d,e,a,b,F1,23);
+ STEP(b,c,d,e,a,F1,24);
+
+ STEP(a,b,c,d,e,F1,25);
+ STEP(e,a,b,c,d,F1,26);
+ STEP(d,e,a,b,c,F1,27);
+ STEP(c,d,e,a,b,F1,28);
+ STEP(b,c,d,e,a,F1,29);
+
+ STEP(a,b,c,d,e,F1,30);
+ STEP(e,a,b,c,d,F1,31);
+ STEP(d,e,a,b,c,F1,32);
+ STEP(c,d,e,a,b,F1,33);
+ STEP(b,c,d,e,a,F1,34);
+
+ STEP(a,b,c,d,e,F1,35);
+ STEP(e,a,b,c,d,F1,36);
+ STEP(d,e,a,b,c,F1,37);
+ STEP(c,d,e,a,b,F1,38);
+ STEP(b,c,d,e,a,F1,39);
+
+ STEP(a,b,c,d,e,F2,40);
+ STEP(e,a,b,c,d,F2,41);
+ STEP(d,e,a,b,c,F2,42);
+ STEP(c,d,e,a,b,F2,43);
+ STEP(b,c,d,e,a,F2,44);
+
+ STEP(a,b,c,d,e,F2,45);
+ STEP(e,a,b,c,d,F2,46);
+ STEP(d,e,a,b,c,F2,47);
+ STEP(c,d,e,a,b,F2,48);
+ STEP(b,c,d,e,a,F2,49);
+
+ STEP(a,b,c,d,e,F2,50);
+ STEP(e,a,b,c,d,F2,51);
+ STEP(d,e,a,b,c,F2,52);
+ STEP(c,d,e,a,b,F2,53);
+ STEP(b,c,d,e,a,F2,54);
+
+ STEP(a,b,c,d,e,F2,55);
+ STEP(e,a,b,c,d,F2,56);
+ STEP(d,e,a,b,c,F2,57);
+ STEP(c,d,e,a,b,F2,58);
+ STEP(b,c,d,e,a,F2,59);
+
+ STEP(a,b,c,d,e,F3,60);
+ STEP(e,a,b,c,d,F3,61);
+ STEP(d,e,a,b,c,F3,62);
+ STEP(c,d,e,a,b,F3,63);
+ STEP(b,c,d,e,a,F3,64);
+
+ STEP(a,b,c,d,e,F3,65);
+ STEP(e,a,b,c,d,F3,66);
+ STEP(d,e,a,b,c,F3,67);
+ STEP(c,d,e,a,b,F3,68);
+ STEP(b,c,d,e,a,F3,69);
+
+ STEP(a,b,c,d,e,F3,70);
+ STEP(e,a,b,c,d,F3,71);
+ STEP(d,e,a,b,c,F3,72);
+ STEP(c,d,e,a,b,F3,73);
+ STEP(b,c,d,e,a,F3,74);
+
+ STEP(a,b,c,d,e,F3,75);
+ STEP(e,a,b,c,d,F3,76);
+ STEP(d,e,a,b,c,F3,77);
+ STEP(c,d,e,a,b,F3,78);
+ STEP(b,c,d,e,a,F3,79);
- /* save state */
s[0] += a;
s[1] += b;
s[2] += c;
--- sys/src/libsec/port/sha2block128.c Fri Mar 26 21:15:52 2010
+++ /sys/src/libsec/port/sha2block128.c Sat Jun 26 21:21:42 2021
@@ -1,21 +1,21 @@
/*
- * sha2_512 block cipher
+ * sha2_512 block cipher - unrolled version
*
- * Implementation straight from Federal Information Processing Standards
- * publication 180-2 (+Change Notice to include SHA-224) August 1, 2002
* note: the following upper and lower case macro names are distinct
* and reflect the functions defined in FIPS pub. 180-2.
*/
+
#include <u.h>
#include <libc.h>
+#include <mp.h>
#define ROTR(x,n) (((x) >> (n)) | ((x) << (64-(n))))
#define sigma0(x) (ROTR((x),1) ^ ROTR((x),8) ^ ((x) >> 7))
#define sigma1(x) (ROTR((x),19) ^ ROTR((x),61) ^ ((x) >> 6))
#define SIGMA0(x) (ROTR((x),28) ^ ROTR((x),34) ^ ROTR((x),39))
#define SIGMA1(x) (ROTR((x),14) ^ ROTR((x),18) ^ ROTR((x),41))
-#define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
-#define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
+#define Ch(x,y,z) ((z) ^ ((x) & ((y) ^ (z))))
+#define Maj(x,y,z) (((x) | (y)) & ((z) | ((x) & (y))))
/*
* first 64 bits of the fractional parts of cube roots of
@@ -41,14 +41,13 @@
0xca273eceea26619cLL, 0xd186b8c721c0c207LL, 0xeada7dd6cde0eb1eLL, 0xf57d4f7fee6ed178LL,
0x06f067aa72176fbaLL, 0x0a637dc5a2c898a6LL, 0x113f9804bef90daeLL, 0x1b710b35131c471bLL,
0x28db77f523047d84LL, 0x32caab7b40c72493LL, 0x3c9ebe0a15c9bebcLL, 0x431d67c49c100d4cLL,
- 0x4cc5d4becb3e42b6LL, 0x597f299cfc657e2aLL, 0x5fcb6fab3ad6faecLL, 0x6c44198c4a475817LL };
+ 0x4cc5d4becb3e42b6LL, 0x597f299cfc657e2aLL, 0x5fcb6fab3ad6faecLL, 0x6c44198c4a475817LL
+};
void
_sha2block128(uchar *p, ulong len, u64int *s)
{
- u64int a, b, c, d, e, f, g, h, t1, t2;
- u64int *kp, *wp;
- u64int w[80];
+ u64int w[16], a, b, c, d, e, f, g, h;
uchar *end;
/* at this point, we have a multiple of 64 bytes */
@@ -62,33 +61,111 @@
g = s[6];
h = s[7];
- for(wp = w; wp < &w[16]; wp++, p += 8)
- wp[0] = ((vlong)p[0])<<56 | ((vlong)p[1])<<48 |
- ((vlong)p[2])<<40 | ((vlong)p[3])<<32 |
- p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7];
- for(; wp < &w[80]; wp++) {
- u64int s0, s1;
-
- s0 = sigma0(wp[-15]);
- s1 = sigma1(wp[-2]);
-// wp[0] = sigma1(wp[-2]) + wp[-7] + sigma0(wp[-15]) + wp[-16];
- wp[0] = s1 + wp[-7] + s0 + wp[-16];
- }
-
- for(kp = K512, wp = w; wp < &w[80]; ) {
- t1 = h + SIGMA1(e) + Ch(e,f,g) + *kp++ + *wp++;
- t2 = SIGMA0(a) + Maj(a,b,c);
- h = g;
- g = f;
- f = e;
- e = d + t1;
- d = c;
- c = b;
- b = a;
- a = t1 + t2;
- }
+#define STEP(a,b,c,d,e,f,g,h,i) \
+ if(i < 16) { \
+ w[i] = (u64int)(p[0]<<24 | p[1]<<16 | p[2]<<8 | p[3])<<32 | \
+ (p[4]<<24 | p[5]<<16 | p[6]<<8 | p[7]); \
+ p += 8; \
+ } else { \
+ u64int s0, s1; \
+ s1 = sigma1(w[i-2&15]); \
+ s0 = sigma0(w[i-15&15]); \
+ w[i&15] += s1 + w[i-7&15] + s0; \
+ } \
+ h += SIGMA1(e) + Ch(e,f,g) + K512[i] + w[i&15]; \
+ d += h; \
+ h += SIGMA0(a) + Maj(a,b,c);
+
+ STEP(a,b,c,d,e,f,g,h,0);
+ STEP(h,a,b,c,d,e,f,g,1);
+ STEP(g,h,a,b,c,d,e,f,2);
+ STEP(f,g,h,a,b,c,d,e,3);
+ STEP(e,f,g,h,a,b,c,d,4);
+ STEP(d,e,f,g,h,a,b,c,5);
+ STEP(c,d,e,f,g,h,a,b,6);
+ STEP(b,c,d,e,f,g,h,a,7);
+
+ STEP(a,b,c,d,e,f,g,h,8);
+ STEP(h,a,b,c,d,e,f,g,9);
+ STEP(g,h,a,b,c,d,e,f,10);
+ STEP(f,g,h,a,b,c,d,e,11);
+ STEP(e,f,g,h,a,b,c,d,12);
+ STEP(d,e,f,g,h,a,b,c,13);
+ STEP(c,d,e,f,g,h,a,b,14);
+ STEP(b,c,d,e,f,g,h,a,15);
+
+ STEP(a,b,c,d,e,f,g,h,16);
+ STEP(h,a,b,c,d,e,f,g,17);
+ STEP(g,h,a,b,c,d,e,f,18);
+ STEP(f,g,h,a,b,c,d,e,19);
+ STEP(e,f,g,h,a,b,c,d,20);
+ STEP(d,e,f,g,h,a,b,c,21);
+ STEP(c,d,e,f,g,h,a,b,22);
+ STEP(b,c,d,e,f,g,h,a,23);
+
+ STEP(a,b,c,d,e,f,g,h,24);
+ STEP(h,a,b,c,d,e,f,g,25);
+ STEP(g,h,a,b,c,d,e,f,26);
+ STEP(f,g,h,a,b,c,d,e,27);
+ STEP(e,f,g,h,a,b,c,d,28);
+ STEP(d,e,f,g,h,a,b,c,29);
+ STEP(c,d,e,f,g,h,a,b,30);
+ STEP(b,c,d,e,f,g,h,a,31);
+
+ STEP(a,b,c,d,e,f,g,h,32);
+ STEP(h,a,b,c,d,e,f,g,33);
+ STEP(g,h,a,b,c,d,e,f,34);
+ STEP(f,g,h,a,b,c,d,e,35);
+ STEP(e,f,g,h,a,b,c,d,36);
+ STEP(d,e,f,g,h,a,b,c,37);
+ STEP(c,d,e,f,g,h,a,b,38);
+ STEP(b,c,d,e,f,g,h,a,39);
+
+ STEP(a,b,c,d,e,f,g,h,40);
+ STEP(h,a,b,c,d,e,f,g,41);
+ STEP(g,h,a,b,c,d,e,f,42);
+ STEP(f,g,h,a,b,c,d,e,43);
+ STEP(e,f,g,h,a,b,c,d,44);
+ STEP(d,e,f,g,h,a,b,c,45);
+ STEP(c,d,e,f,g,h,a,b,46);
+ STEP(b,c,d,e,f,g,h,a,47);
+
+ STEP(a,b,c,d,e,f,g,h,48);
+ STEP(h,a,b,c,d,e,f,g,49);
+ STEP(g,h,a,b,c,d,e,f,50);
+ STEP(f,g,h,a,b,c,d,e,51);
+ STEP(e,f,g,h,a,b,c,d,52);
+ STEP(d,e,f,g,h,a,b,c,53);
+ STEP(c,d,e,f,g,h,a,b,54);
+ STEP(b,c,d,e,f,g,h,a,55);
+
+ STEP(a,b,c,d,e,f,g,h,56);
+ STEP(h,a,b,c,d,e,f,g,57);
+ STEP(g,h,a,b,c,d,e,f,58);
+ STEP(f,g,h,a,b,c,d,e,59);
+ STEP(e,f,g,h,a,b,c,d,60);
+ STEP(d,e,f,g,h,a,b,c,61);
+ STEP(c,d,e,f,g,h,a,b,62);
+ STEP(b,c,d,e,f,g,h,a,63);
+
+ STEP(a,b,c,d,e,f,g,h,64);
+ STEP(h,a,b,c,d,e,f,g,65);
+ STEP(g,h,a,b,c,d,e,f,66);
+ STEP(f,g,h,a,b,c,d,e,67);
+ STEP(e,f,g,h,a,b,c,d,68);
+ STEP(d,e,f,g,h,a,b,c,69);
+ STEP(c,d,e,f,g,h,a,b,70);
+ STEP(b,c,d,e,f,g,h,a,71);
+
+ STEP(a,b,c,d,e,f,g,h,72);
+ STEP(h,a,b,c,d,e,f,g,73);
+ STEP(g,h,a,b,c,d,e,f,74);
+ STEP(f,g,h,a,b,c,d,e,75);
+ STEP(e,f,g,h,a,b,c,d,76);
+ STEP(d,e,f,g,h,a,b,c,77);
+ STEP(c,d,e,f,g,h,a,b,78);
+ STEP(b,c,d,e,f,g,h,a,79);
- /* save state */
s[0] += a;
s[1] += b;
s[2] += c;
--- sys/src/libsec/port/sha2block64.c Fri Mar 26 21:15:52 2010
+++ /sys/src/libsec/port/sha2block64.c Sat Jun 26 21:21:42 2021
@@ -1,22 +1,21 @@
/*
- * sha2_256 block cipher
+ * sha2_256 block cipher - unrolled version
*
- * Implementation straight from Federal Information Processing Standards
- * publication 180-2 (+Change Notice to include SHA-224) August 1, 2002
* note: the following upper and lower case macro names are distinct
* and reflect the functions defined in FIPS pub. 180-2.
*/
#include <u.h>
#include <libc.h>
+#include <mp.h>
#define ROTR(x,n) (((x) >> (n)) | ((x) << (32-(n))))
#define sigma0(x) (ROTR((x),7) ^ ROTR((x),18) ^ ((x) >> 3))
#define sigma1(x) (ROTR((x),17) ^ ROTR((x),19) ^ ((x) >> 10))
#define SIGMA0(x) (ROTR((x),2) ^ ROTR((x),13) ^ ROTR((x),22))
#define SIGMA1(x) (ROTR((x),6) ^ ROTR((x),11) ^ ROTR((x),25))
-#define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
-#define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
+#define Ch(x,y,z) ((z) ^ ((x) & ((y) ^ (z))))
+#define Maj(x,y,z) (((x) | (y)) & ((z) | ((x) & (y))))
/*
* first 32 bits of the fractional parts of cube roots of
@@ -44,9 +43,7 @@
void
_sha2block64(uchar *p, ulong len, u32int *s)
{
- u32int a, b, c, d, e, f, g, h, t1, t2;
- u32int *kp, *wp;
- u32int w[64];
+ u32int w[16], a, b, c, d, e, f, g, h;
uchar *end;
/* at this point, we have a multiple of 64 bytes */
@@ -60,26 +57,89 @@
g = s[6];
h = s[7];
- for(wp = w; wp < &w[16]; wp++, p += 4)
- wp[0] = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3];
- for(; wp < &w[64]; wp++)
- wp[0] = sigma1(wp[-2]) + wp[-7] +
- sigma0(wp[-15]) + wp[-16];
-
- for(kp = K256, wp = w; wp < &w[64]; ) {
- t1 = h + SIGMA1(e) + Ch(e,f,g) + *kp++ + *wp++;
- t2 = SIGMA0(a) + Maj(a,b,c);
- h = g;
- g = f;
- f = e;
- e = d + t1;
- d = c;
- c = b;
- b = a;
- a = t1 + t2;
- }
+#define STEP(a,b,c,d,e,f,g,h,i) \
+ if(i < 16) {\
+ w[i] = p[0]<<24 | p[1]<<16 | p[2]<<8 | p[3]; \
+ p += 4; \
+ } else { \
+ w[i&15] += sigma1(w[i-2&15]) + w[i-7&15] + sigma0(w[i-15&15]); \
+ } \
+ h += SIGMA1(e) + Ch(e,f,g) + K256[i] + w[i&15]; \
+ d += h; \
+ h += SIGMA0(a) + Maj(a,b,c);
+
+ STEP(a,b,c,d,e,f,g,h,0);
+ STEP(h,a,b,c,d,e,f,g,1);
+ STEP(g,h,a,b,c,d,e,f,2);
+ STEP(f,g,h,a,b,c,d,e,3);
+ STEP(e,f,g,h,a,b,c,d,4);
+ STEP(d,e,f,g,h,a,b,c,5);
+ STEP(c,d,e,f,g,h,a,b,6);
+ STEP(b,c,d,e,f,g,h,a,7);
+
+ STEP(a,b,c,d,e,f,g,h,8);
+ STEP(h,a,b,c,d,e,f,g,9);
+ STEP(g,h,a,b,c,d,e,f,10);
+ STEP(f,g,h,a,b,c,d,e,11);
+ STEP(e,f,g,h,a,b,c,d,12);
+ STEP(d,e,f,g,h,a,b,c,13);
+ STEP(c,d,e,f,g,h,a,b,14);
+ STEP(b,c,d,e,f,g,h,a,15);
+
+ STEP(a,b,c,d,e,f,g,h,16);
+ STEP(h,a,b,c,d,e,f,g,17);
+ STEP(g,h,a,b,c,d,e,f,18);
+ STEP(f,g,h,a,b,c,d,e,19);
+ STEP(e,f,g,h,a,b,c,d,20);
+ STEP(d,e,f,g,h,a,b,c,21);
+ STEP(c,d,e,f,g,h,a,b,22);
+ STEP(b,c,d,e,f,g,h,a,23);
+
+ STEP(a,b,c,d,e,f,g,h,24);
+ STEP(h,a,b,c,d,e,f,g,25);
+ STEP(g,h,a,b,c,d,e,f,26);
+ STEP(f,g,h,a,b,c,d,e,27);
+ STEP(e,f,g,h,a,b,c,d,28);
+ STEP(d,e,f,g,h,a,b,c,29);
+ STEP(c,d,e,f,g,h,a,b,30);
+ STEP(b,c,d,e,f,g,h,a,31);
+
+ STEP(a,b,c,d,e,f,g,h,32);
+ STEP(h,a,b,c,d,e,f,g,33);
+ STEP(g,h,a,b,c,d,e,f,34);
+ STEP(f,g,h,a,b,c,d,e,35);
+ STEP(e,f,g,h,a,b,c,d,36);
+ STEP(d,e,f,g,h,a,b,c,37);
+ STEP(c,d,e,f,g,h,a,b,38);
+ STEP(b,c,d,e,f,g,h,a,39);
+
+ STEP(a,b,c,d,e,f,g,h,40);
+ STEP(h,a,b,c,d,e,f,g,41);
+ STEP(g,h,a,b,c,d,e,f,42);
+ STEP(f,g,h,a,b,c,d,e,43);
+ STEP(e,f,g,h,a,b,c,d,44);
+ STEP(d,e,f,g,h,a,b,c,45);
+ STEP(c,d,e,f,g,h,a,b,46);
+ STEP(b,c,d,e,f,g,h,a,47);
+
+ STEP(a,b,c,d,e,f,g,h,48);
+ STEP(h,a,b,c,d,e,f,g,49);
+ STEP(g,h,a,b,c,d,e,f,50);
+ STEP(f,g,h,a,b,c,d,e,51);
+ STEP(e,f,g,h,a,b,c,d,52);
+ STEP(d,e,f,g,h,a,b,c,53);
+ STEP(c,d,e,f,g,h,a,b,54);
+ STEP(b,c,d,e,f,g,h,a,55);
+
+ STEP(a,b,c,d,e,f,g,h,56);
+ STEP(h,a,b,c,d,e,f,g,57);
+ STEP(g,h,a,b,c,d,e,f,58);
+ STEP(f,g,h,a,b,c,d,e,59);
+ STEP(e,f,g,h,a,b,c,d,60);
+ STEP(d,e,f,g,h,a,b,c,61);
+ STEP(c,d,e,f,g,h,a,b,62);
+ STEP(b,c,d,e,f,g,h,a,63);
- /* save state */
s[0] += a;
s[1] += b;
s[2] += c;
--- sys/src/libsec/port/smallprimes.c Fri Mar 16 03:42:05 2001
+++ /sys/src/libsec/port/smallprimes.c Sat Jun 26 21:21:42 2021
@@ -1,4 +1,6 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
ulong smallprimes[1000] = {
2,
--- sys/src/libsec/port/smallprimetest.c Fri Mar 16 03:42:05 2001
+++ /sys/src/libsec/port/smallprimetest.c Sat Jun 26 21:21:42 2021
@@ -1,4 +1,5 @@
-#include "os.h"
+#include <u.h>
+#include <libc.h>
#include <mp.h>
#include <libsec.h>
--- sys/src/libsec/port/thumb.c Fri Apr 26 15:40:52 2002
+++ /sys/src/libsec/port/thumb.c Sat Jun 26 21:21:42 2021
@@ -1,32 +1,26 @@
#include <u.h>
#include <libc.h>
-#include <bio.h>
-#include <auth.h>
#include <mp.h>
+#include <bio.h>
#include <libsec.h>
enum{ ThumbTab = 1<<10 };
-static void *
-emalloc(int n)
+static Thumbprint*
+tablehead(uchar *hash, Thumbprint *table)
{
- void *p;
- if(n==0)
- n=1;
- p = malloc(n);
- if(p == nil){
- exits("out of memory");
- }
- memset(p, 0, n);
- return p;
+ return &table[((hash[0]<<8) + hash[1]) & (ThumbTab-1)];
}
void
freeThumbprints(Thumbprint *table)
{
Thumbprint *hd, *p, *q;
+
+ if(table == nil)
+ return;
for(hd = table; hd < table+ThumbTab; hd++){
- for(p = hd->next; p; p = q){
+ for(p = hd->next; p && p != hd; p = q){
q = p->next;
free(p);
}
@@ -35,63 +29,144 @@
}
int
-okThumbprint(uchar *sum, Thumbprint *table)
+okThumbprint(uchar *hash, int len, Thumbprint *table)
{
- Thumbprint *p;
- int i = ((sum[0]<<8) + sum[1]) & (ThumbTab-1);
+ Thumbprint *hd, *p;
- for(p = table[i].next; p; p = p->next)
- if(memcmp(sum, p->sha1, SHA1dlen) == 0)
+ if(table == nil)
+ return 0;
+ hd = tablehead(hash, table);
+ for(p = hd->next; p; p = p->next){
+ if(p->len == len && memcmp(hash, p->hash, len) == 0)
return 1;
+ if(p == hd)
+ break;
+ }
return 0;
}
-static void
-loadThumbprints(char *file, Thumbprint *table, Thumbprint *crltab)
+int
+okCertificate(uchar *cert, int len, Thumbprint *table)
{
- Thumbprint *entry;
- Biobuf *bin;
+ uchar hash[SHA2_256dlen];
+ char thumb[2*SHA2_256dlen+1];
+
+ if(table == nil){
+ werrstr("no thumbprints provided");
+ return 0;
+ }
+ if(cert == nil || len <= 0){
+ werrstr("no certificate provided");
+ return 0;
+ }
+
+ sha1(cert, len, hash, nil);
+ if(okThumbprint(hash, SHA1dlen, table))
+ return 1;
+
+ sha2_256(cert, len, hash, nil);
+ if(okThumbprint(hash, SHA2_256dlen, table))
+ return 1;
+
+ if(X509digestSPKI(cert, len, sha2_256, hash) < 0)
+ return 0;
+ if(okThumbprint(hash, SHA2_256dlen, table))
+ return 1;
+
+ len = enc64(thumb, sizeof(thumb), hash, SHA2_256dlen);
+ while(len > 0 && thumb[len-1] == '=')
+ len--;
+ thumb[len] = '\0';
+ werrstr("sha256=%s", thumb);
+
+ return 0;
+}
+
+static int
+loadThumbprints(char *file, char *tag, Thumbprint *table, Thumbprint *crltab, int depth)
+{
+ Thumbprint *hd, *entry;
char *line, *field[50];
- uchar sum[SHA1dlen];
- int i;
+ uchar hash[SHA2_256dlen];
+ Biobuf *bin;
+ int len, n;
- bin = Bopen(file, OREAD);
- if(bin == nil)
- return;
- for(; (line = Brdstr(bin, '\n', 1)) != 0; free(line)){
+ if(depth > 8){
+ werrstr("too many includes, last file %s", file);
+ return -1;
+ }
+ if(access(file, AEXIST) < 0)
+ return 0; /* not an error */
+ if((bin = Bopen(file, OREAD|OCEXEC)) == nil)
+ return -1;
+ for(; (line = Brdstr(bin, '\n', 1)) != nil; free(line)){
if(tokenize(line, field, nelem(field)) < 2)
continue;
if(strcmp(field[0], "#include") == 0){
- loadThumbprints(field[1], table, crltab);
+ if(loadThumbprints(field[1], tag, table, crltab, depth+1) < 0)
+ goto err;
continue;
}
- if(strcmp(field[0], "x509") != 0 || strncmp(field[1], "sha1=", strlen("sha1=")) != 0)
+ if(strcmp(field[0], tag) != 0)
+ continue;
+ if(strncmp(field[1], "sha1=", 5) == 0){
+ field[1] += 5;
+ len = SHA1dlen;
+ } else if(strncmp(field[1], "sha256=", 7) == 0){
+ field[1] += 7;
+ len = SHA2_256dlen;
+ } else {
continue;
- field[1] += strlen("sha1=");
- dec16(sum, sizeof(sum), field[1], strlen(field[1]));
- if(crltab && okThumbprint(sum, crltab))
+ }
+ n = strlen(field[1]);
+ if((n != len*2 || dec16(hash, len, field[1], n) != len)
+ && dec64(hash, len, field[1], n) != len){
+ werrstr("malformed %s entry in %s: %s", tag, file, field[1]);
+ goto err;
+ }
+ if(crltab && okThumbprint(hash, len, crltab))
continue;
- entry = (Thumbprint*)emalloc(sizeof(*entry));
- memcpy(entry->sha1, sum, SHA1dlen);
- i = ((sum[0]<<8) + sum[1]) & (ThumbTab-1);
- entry->next = table[i].next;
- table[i].next = entry;
+ hd = tablehead(hash, table);
+ if(hd->next == nil)
+ entry = hd;
+ else {
+ if((entry = malloc(sizeof(*entry))) == nil)
+ goto err;
+ entry->next = hd->next;
+ }
+ hd->next = entry;
+ entry->len = len;
+ memcpy(entry->hash, hash, len);
}
Bterm(bin);
+ return 0;
+err:
+ free(line);
+ Bterm(bin);
+ return -1;
}
Thumbprint *
-initThumbprints(char *ok, char *crl)
+initThumbprints(char *ok, char *crl, char *tag)
{
- Thumbprint *table, *crltab = nil;
+ Thumbprint *table, *crltab;
+ table = crltab = nil;
if(crl){
- crltab = emalloc(ThumbTab * sizeof(*table));
- loadThumbprints(crl, crltab, nil);
+ if((crltab = malloc(ThumbTab * sizeof(*crltab))) == nil)
+ goto err;
+ memset(crltab, 0, ThumbTab * sizeof(*crltab));
+ if(loadThumbprints(crl, tag, crltab, nil, 0) < 0)
+ goto err;
+ }
+ if((table = malloc(ThumbTab * sizeof(*table))) == nil)
+ goto err;
+ memset(table, 0, ThumbTab * sizeof(*table));
+ if(loadThumbprints(ok, tag, table, crltab, 0) < 0){
+ freeThumbprints(table);
+ table = nil;
}
- table = emalloc(ThumbTab * sizeof(*table));
- loadThumbprints(ok, table, crltab);
- free(crltab);
+err:
+ freeThumbprints(crltab);
return table;
}
-
--- sys/src/libsec/port/tlshand.c Thu Jul 1 17:28:58 2021
+++ /sys/src/libsec/port/tlshand.c Sat Jun 26 21:21:42 2021
@@ -1,6 +1,5 @@
#include <u.h>
#include <libc.h>
-#include <bio.h>
#include <auth.h>
#include <mp.h>
#include <libsec.h>
@@ -17,25 +16,22 @@
enum {
TLSFinishedLen = 12,
SSL3FinishedLen = MD5dlen+SHA1dlen,
- MaxKeyData = 136, // amount of secret we may need
- MaxChunk = 1<<14,
+ MaxKeyData = 160, // amount of secret we may need
+ MAXdlen = SHA2_512dlen,
RandomSize = 32,
- SidSize = 32,
MasterSecretSize = 48,
AQueue = 0,
AFlush = 1,
};
-typedef struct TlsSec TlsSec;
-
typedef struct Bytes{
int len;
- uchar data[1]; // [len]
+ uchar data[];
} Bytes;
typedef struct Ints{
int len;
- int data[1]; // [len]
+ int data[];
} Ints;
typedef struct Algs{
@@ -46,46 +42,65 @@
int ok;
} Algs;
+typedef struct Namedcurve{
+ int tlsid;
+ void (*init)(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
+} Namedcurve;
+
typedef struct Finished{
uchar verify[SSL3FinishedLen];
int n;
} Finished;
-typedef struct HandHash{
+typedef struct HandshakeHash {
MD5state md5;
SHAstate sha1;
SHA2_256state sha2_256;
-} HandHash;
+} HandshakeHash;
+
+typedef struct TlsSec TlsSec;
+struct TlsSec {
+ RSApub *rsapub;
+ AuthRpc *rpc; // factotum for rsa private key
+ uchar *psk; // pre-shared key
+ int psklen;
+ int clientVers; // version in ClientHello
+ uchar sec[MasterSecretSize]; // master secret
+ uchar crandom[RandomSize]; // client random
+ uchar srandom[RandomSize]; // server random
+
+ // diffie hellman state
+ DHstate dh;
+ struct {
+ ECdomain dom;
+ ECpriv Q;
+ } ec;
+
+ // byte generation and handshake checksum
+ void (*prf)(uchar*, int, uchar*, int, char*, uchar*, int, uchar*, int);
+ void (*setFinished)(TlsSec*, HandshakeHash, uchar*, int);
+ int nfin;
+};
typedef struct TlsConnection{
- TlsSec *sec; // security management goo
+ TlsSec sec[1]; // security management goo
int hand, ctl; // record layer file descriptors
int erred; // set when tlsError called
int (*trace)(char*fmt, ...); // for debugging
int version; // protocol we are speaking
- int verset; // version has been set
- int ver2hi; // server got a version 2 hello
- int isClient; // is this the client or server?
- Bytes *sid; // SessionID
- Bytes *cert; // only last - no chain
-
- Lock statelk;
- int state; // must be set using setstate
-
- // input buffer for handshake messages
- uchar buf[MaxChunk+8*1024];
- uchar *rp, *ep;
+ Bytes *cert; // server certificate; only last - no chain
- uchar crandom[RandomSize]; // client random
- uchar srandom[RandomSize]; // server random
- int clientVersion; // version in ClientHello
- char *digest; // name of digest algorithm to use
- char *enc; // name of encryption algorithm to use
+ int cipher;
int nsecret; // amount of secret data to init keys
+ char *digest; // name of digest algorithm to use
+ char *enc; // name of encryption algorithm to use
// for finished messages
- HandHash hs; // handshake hash
+ HandshakeHash handhash;
Finished finished;
+
+ uchar *sendp;
+ uchar buf[1<<16];
} TlsConnection;
typedef struct Msg{
@@ -97,14 +112,15 @@
Bytes* sid;
Ints* ciphers;
Bytes* compressors;
- Ints* sigAlgs;
+ Bytes* extensions;
} clientHello;
struct {
int version;
- uchar random[RandomSize];
+ uchar random[RandomSize];
Bytes* sid;
- int cipher;
- int compressor;
+ int cipher;
+ int compressor;
+ Bytes* extensions;
} serverHello;
struct {
int ncert;
@@ -112,40 +128,40 @@
} certificate;
struct {
Bytes *types;
+ Ints *sigalgs;
int nca;
Bytes **cas;
} certificateRequest;
struct {
+ Bytes *pskid;
Bytes *key;
} clientKeyExchange;
+ struct {
+ Bytes *pskid;
+ Bytes *dh_p;
+ Bytes *dh_g;
+ Bytes *dh_Ys;
+ Bytes *dh_parameters;
+ Bytes *dh_signature;
+ int sigalg;
+ int curve;
+ } serverKeyExchange;
+ struct {
+ int sigalg;
+ Bytes *signature;
+ } certificateVerify;
Finished finished;
} u;
} Msg;
-typedef struct TlsSec{
- char *server; // name of remote; nil for server
- int ok; // <0 killed; == 0 in progress; >0 reusable
- RSApub *rsapub;
- AuthRpc *rpc; // factotum for rsa private key
- uchar sec[MasterSecretSize]; // master secret
- uchar crandom[RandomSize]; // client random
- uchar srandom[RandomSize]; // server random
- int clientVers; // version in ClientHello
- int vers; // final version
- // byte generation and handshake checksum
- void (*prf)(uchar*, int, uchar*, int, char*, uchar*, int, uchar*, int);
- void (*setFinished)(TlsSec*, HandHash, uchar*, int);
- int nfin;
-} TlsSec;
-
enum {
- SSL3Version = 0x0300,
- TLS10Version = 0x0301,
- TLS11Version = 0x0302,
- TLS12Version = 0x0303,
- ProtocolVersion = TLS12Version, // maximum version we speak
- MinProtoVersion = 0x0300, // limits on version we accept
+ SSL3Version = 0x0300,
+ TLS10Version = 0x0301,
+ TLS11Version = 0x0302,
+ TLS12Version = 0x0303,
+ ProtocolVersion = TLS12Version, // maximum version we speak
+ MinProtoVersion = 0x0300, // limits on version we accept
MaxProtoVersion = 0x03ff,
};
@@ -189,21 +205,23 @@
EProtocolVersion = 70,
EInsufficientSecurity = 71,
EInternalError = 80,
+ EInappropriateFallback = 86,
EUserCanceled = 90,
ENoRenegotiation = 100,
+ EUnknownPSKidentity = 115,
EMax = 256
};
// cipher suites
enum {
- TLS_NULL_WITH_NULL_NULL = 0x0000,
- TLS_RSA_WITH_NULL_MD5 = 0x0001,
- TLS_RSA_WITH_NULL_SHA = 0x0002,
- TLS_RSA_EXPORT_WITH_RC4_40_MD5 = 0x0003,
- TLS_RSA_WITH_RC4_128_MD5 = 0x0004,
- TLS_RSA_WITH_RC4_128_SHA = 0x0005,
+ TLS_NULL_WITH_NULL_NULL = 0x0000,
+ TLS_RSA_WITH_NULL_MD5 = 0x0001,
+ TLS_RSA_WITH_NULL_SHA = 0x0002,
+ TLS_RSA_EXPORT_WITH_RC4_40_MD5 = 0x0003,
+ TLS_RSA_WITH_RC4_128_MD5 = 0x0004,
+ TLS_RSA_WITH_RC4_128_SHA = 0x0005,
TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5 = 0X0006,
- TLS_RSA_WITH_IDEA_CBC_SHA = 0X0007,
+ TLS_RSA_WITH_IDEA_CBC_SHA = 0X0007,
TLS_RSA_EXPORT_WITH_DES40_CBC_SHA = 0X0008,
TLS_RSA_WITH_DES_CBC_SHA = 0X0009,
TLS_RSA_WITH_3DES_EDE_CBC_SHA = 0X000A,
@@ -220,12 +238,11 @@
TLS_DHE_RSA_WITH_DES_CBC_SHA = 0X0015,
TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA = 0X0016,
TLS_DH_anon_EXPORT_WITH_RC4_40_MD5 = 0x0017,
- TLS_DH_anon_WITH_RC4_128_MD5 = 0x0018,
+ TLS_DH_anon_WITH_RC4_128_MD5 = 0x0018,
TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA = 0X0019,
TLS_DH_anon_WITH_DES_CBC_SHA = 0X001A,
TLS_DH_anon_WITH_3DES_EDE_CBC_SHA = 0X001B,
-
- TLS_RSA_WITH_AES_128_CBC_SHA = 0X002f, // aes, aka rijndael with 128 bit blocks
+ TLS_RSA_WITH_AES_128_CBC_SHA = 0X002F, // aes, aka rijndael with 128 bit blocks
TLS_DH_DSS_WITH_AES_128_CBC_SHA = 0X0030,
TLS_DH_RSA_WITH_AES_128_CBC_SHA = 0X0031,
TLS_DHE_DSS_WITH_AES_128_CBC_SHA = 0X0032,
@@ -237,7 +254,44 @@
TLS_DHE_DSS_WITH_AES_256_CBC_SHA = 0X0038,
TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0X0039,
TLS_DH_anon_WITH_AES_256_CBC_SHA = 0X003A,
- CipherMax
+ TLS_RSA_WITH_AES_128_CBC_SHA256 = 0X003C,
+ TLS_RSA_WITH_AES_256_CBC_SHA256 = 0X003D,
+ TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0X0067,
+
+ TLS_RSA_WITH_AES_128_GCM_SHA256 = 0x009C,
+ TLS_RSA_WITH_AES_256_GCM_SHA384 = 0x009D,
+ TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 = 0x009E,
+ TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 = 0x009F,
+ TLS_DH_RSA_WITH_AES_128_GCM_SHA256 = 0x00A0,
+ TLS_DH_RSA_WITH_AES_256_GCM_SHA384 = 0x00A1,
+ TLS_DHE_DSS_WITH_AES_128_GCM_SHA256 = 0x00A2,
+ TLS_DHE_DSS_WITH_AES_256_GCM_SHA384 = 0x00A3,
+ TLS_DH_DSS_WITH_AES_128_GCM_SHA256 = 0x00A4,
+ TLS_DH_DSS_WITH_AES_256_GCM_SHA384 = 0x00A5,
+ TLS_DH_anon_WITH_AES_128_GCM_SHA256 = 0x00A6,
+ TLS_DH_anon_WITH_AES_256_GCM_SHA384 = 0x00A7,
+
+ TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0xC02B,
+ TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0xC02F,
+
+ TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0xC013,
+ TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0xC014,
+ TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 0xC027,
+ TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0xC023,
+
+ TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305 = 0xCCA8,
+ TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305 = 0xCCA9,
+ TLS_DHE_RSA_WITH_CHACHA20_POLY1305 = 0xCCAA,
+
+ GOOGLE_ECDHE_RSA_WITH_CHACHA20_POLY1305 = 0xCC13,
+ GOOGLE_ECDHE_ECDSA_WITH_CHACHA20_POLY1305 = 0xCC14,
+ GOOGLE_DHE_RSA_WITH_CHACHA20_POLY1305 = 0xCC15,
+
+ TLS_PSK_WITH_CHACHA20_POLY1305 = 0xCCAB,
+ TLS_PSK_WITH_AES_128_CBC_SHA256 = 0x00AE,
+ TLS_PSK_WITH_AES_128_CBC_SHA = 0x008C,
+
+ TLS_FALLBACK_SCSV = 0x5600,
};
// compression methods
@@ -246,39 +300,91 @@
CompressionMax
};
-// extensions
-enum {
- ExtSigalgs = 0xd,
-};
-
-// signature algorithms
-enum {
- RSA_PKCS1_SHA1 = 0x0201,
- RSA_PKCS1_SHA256 = 0x0401,
- RSA_PKCS1_SHA384 = 0x0501,
- RSA_PKCS1_SHA512 = 0x0601
-};
-
static Algs cipherAlgs[] = {
- {"rc4_128", "md5", 2*(16+MD5dlen), TLS_RSA_WITH_RC4_128_MD5},
- {"rc4_128", "sha1", 2*(16+SHA1dlen), TLS_RSA_WITH_RC4_128_SHA},
- {"3des_ede_cbc", "sha1", 2*(4*8+SHA1dlen), TLS_RSA_WITH_3DES_EDE_CBC_SHA},
+ // ECDHE-ECDSA
+ {"ccpoly96_aead", "clear", 2*(32+12), TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305},
+ {"ccpoly64_aead", "clear", 2*32, GOOGLE_ECDHE_ECDSA_WITH_CHACHA20_POLY1305},
+ {"aes_128_gcm_aead", "clear", 2*(16+4), TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256},
+ {"aes_128_cbc", "sha256", 2*(16+16+SHA2_256dlen), TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256},
+
+ // ECDHE-RSA
+ {"ccpoly96_aead", "clear", 2*(32+12), TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305},
+ {"ccpoly64_aead", "clear", 2*32, GOOGLE_ECDHE_RSA_WITH_CHACHA20_POLY1305},
+ {"aes_128_gcm_aead", "clear", 2*(16+4), TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
+ {"aes_128_cbc", "sha256", 2*(16+16+SHA2_256dlen), TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256},
+ {"aes_128_cbc", "sha1", 2*(16+16+SHA1dlen), TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA},
+ {"aes_256_cbc", "sha1", 2*(32+16+SHA1dlen), TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA},
+
+ // DHE-RSA
+ {"ccpoly96_aead", "clear", 2*(32+12), TLS_DHE_RSA_WITH_CHACHA20_POLY1305},
+ {"ccpoly64_aead", "clear", 2*32, GOOGLE_DHE_RSA_WITH_CHACHA20_POLY1305},
+ {"aes_128_gcm_aead", "clear", 2*(16+4), TLS_DHE_RSA_WITH_AES_128_GCM_SHA256},
+ {"aes_128_cbc", "sha256", 2*(16+16+SHA2_256dlen), TLS_DHE_RSA_WITH_AES_128_CBC_SHA256},
+ {"aes_128_cbc", "sha1", 2*(16+16+SHA1dlen), TLS_DHE_RSA_WITH_AES_128_CBC_SHA},
+ {"aes_256_cbc", "sha1", 2*(32+16+SHA1dlen), TLS_DHE_RSA_WITH_AES_256_CBC_SHA},
+ {"3des_ede_cbc","sha1", 2*(4*8+SHA1dlen), TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA},
+
+ // RSA
+ {"aes_128_gcm_aead", "clear", 2*(16+4), TLS_RSA_WITH_AES_128_GCM_SHA256},
+ {"aes_128_cbc", "sha256", 2*(16+16+SHA2_256dlen), TLS_RSA_WITH_AES_128_CBC_SHA256},
+ {"aes_256_cbc", "sha256", 2*(32+16+SHA2_256dlen), TLS_RSA_WITH_AES_256_CBC_SHA256},
{"aes_128_cbc", "sha1", 2*(16+16+SHA1dlen), TLS_RSA_WITH_AES_128_CBC_SHA},
- {"aes_256_cbc", "sha1", 2*(32+16+SHA1dlen), TLS_RSA_WITH_AES_256_CBC_SHA}
+ {"aes_256_cbc", "sha1", 2*(32+16+SHA1dlen), TLS_RSA_WITH_AES_256_CBC_SHA},
+ {"3des_ede_cbc","sha1", 2*(4*8+SHA1dlen), TLS_RSA_WITH_3DES_EDE_CBC_SHA},
+
+ // PSK
+ {"ccpoly96_aead", "clear", 2*(32+12), TLS_PSK_WITH_CHACHA20_POLY1305},
+ {"aes_128_cbc", "sha256", 2*(16+16+SHA2_256dlen), TLS_PSK_WITH_AES_128_CBC_SHA256},
+ {"aes_128_cbc", "sha1", 2*(16+16+SHA1dlen), TLS_PSK_WITH_AES_128_CBC_SHA},
};
static uchar compressors[] = {
CompressionNull,
};
-static int sigAlgs[] = {
- RSA_PKCS1_SHA256,
- RSA_PKCS1_SHA1,
+static Namedcurve namedcurves[] = {
+ 0x0017, secp256r1,
+ 0x0018, secp384r1,
+};
+
+static uchar pointformats[] = {
+ CompressionNull /* support of uncompressed point format is mandatory */
+};
+
+static struct {
+ DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*);
+ int len;
+} hashfun[] = {
+/* [0x00] is reserved for MD5+SHA1 for < TLS1.2 */
+ [0x01] {md5, MD5dlen},
+ [0x02] {sha1, SHA1dlen},
+ [0x03] {sha2_224, SHA2_224dlen},
+ [0x04] {sha2_256, SHA2_256dlen},
+ [0x05] {sha2_384, SHA2_384dlen},
+ [0x06] {sha2_512, SHA2_512dlen},
};
-static TlsConnection *tlsServer2(int ctl, int hand, uchar *cert, int ncert, int (*trace)(char*fmt, ...), PEMChain *chain);
-static TlsConnection *tlsClient2(int ctl, int hand, uchar *csid, int ncsid, int (*trace)(char*fmt, ...));
+// signature algorithms (only RSA and ECDSA at the moment)
+static int sigalgs[] = {
+ 0x0603, /* SHA512 ECDSA */
+ 0x0503, /* SHA384 ECDSA */
+ 0x0403, /* SHA256 ECDSA */
+ 0x0203, /* SHA1 ECDSA */
+
+ 0x0601, /* SHA512 RSA */
+ 0x0501, /* SHA384 RSA */
+ 0x0401, /* SHA256 RSA */
+ 0x0201, /* SHA1 RSA */
+};
+static TlsConnection *tlsServer2(int ctl, int hand,
+ uchar *cert, int certlen,
+ char *pskid, uchar *psk, int psklen,
+ int (*trace)(char*fmt, ...), PEMChain *chain);
+static TlsConnection *tlsClient2(int ctl, int hand,
+ uchar *cert, int certlen,
+ char *pskid, uchar *psk, int psklen,
+ uchar *ext, int extlen, int (*trace)(char*fmt, ...));
static void msgClear(Msg *m);
static char* msgPrint(char *buf, int n, Msg *m);
static int msgRecv(TlsConnection *c, Msg *m);
@@ -286,54 +392,58 @@
static void tlsError(TlsConnection *c, int err, char *msg, ...);
#pragma varargck argpos tlsError 3
static int setVersion(TlsConnection *c, int version);
+static int setSecrets(TlsConnection *c, int isclient);
static int finishedMatch(TlsConnection *c, Finished *f);
static void tlsConnectionFree(TlsConnection *c);
+static int isDHE(int tlsid);
+static int isECDHE(int tlsid);
+static int isPSK(int tlsid);
+static int isECDSA(int tlsid);
+
static int setAlgs(TlsConnection *c, int a);
-static int okCipher(Ints *cv);
+static int okCipher(Ints *cv, int ispsk);
static int okCompression(Bytes *cv);
static int initCiphers(void);
-static Ints* makeciphers(void);
+static Ints* makeciphers(int ispsk);
+
+static AuthRpc* factotum_rsa_open(RSApub *rsapub);
+static mpint* factotum_rsa_decrypt(AuthRpc *rpc, mpint *cipher);
+static void factotum_rsa_close(AuthRpc *rpc);
-static TlsSec* tlsSecInits(int cvers, uchar *csid, int ncsid, uchar *crandom, uchar *ssid, int *nssid, uchar *srandom);
-static int tlsSecSecrets(TlsSec *sec, int vers, uchar *epm, int nepm, uchar *kd, int nkd);
-static TlsSec* tlsSecInitc(int cvers, uchar *crandom);
-static int tlsSecSecretc(TlsSec *sec, uchar *sid, int nsid, uchar *srandom, uchar *cert, int ncert, int vers, uchar **epm, int *nepm, uchar *kd, int nkd);
-static int tlsSecFinished(TlsSec *sec, HandHash hs, uchar *fin, int nfin, int isclient);
-static void tlsSecOk(TlsSec *sec);
-static void tlsSecKill(TlsSec *sec);
-static void tlsSecClose(TlsSec *sec);
+static void tlsSecInits(TlsSec *sec, int cvers, uchar *crandom);
+static int tlsSecRSAs(TlsSec *sec, Bytes *epm);
+static Bytes* tlsSecECDHEs1(TlsSec *sec, Namedcurve *nc);
+static int tlsSecECDHEs2(TlsSec *sec, Bytes *Yc);
+static void tlsSecInitc(TlsSec *sec, int cvers);
+static Bytes* tlsSecRSAc(TlsSec *sec, uchar *cert, int ncert);
+static Bytes* tlsSecDHEc(TlsSec *sec, Bytes *p, Bytes *g, Bytes *Ys);
+static Bytes* tlsSecECDHEc(TlsSec *sec, int curve, Bytes *Ys);
+static void tlsSecVers(TlsSec *sec, int v);
+static int tlsSecFinished(TlsSec *sec, HandshakeHash hsh, uchar *fin, int nfin, int isclient);
static void setMasterSecret(TlsSec *sec, Bytes *pm);
-static void serverMasterSecret(TlsSec *sec, uchar *epm, int nepm);
-static void setSecrets(TlsSec *sec, uchar *kd, int nkd);
-static int clientMasterSecret(TlsSec *sec, RSApub *pub, uchar **epm, int *nepm);
-static Bytes *pkcs1_encrypt(Bytes* data, RSApub* key, int blocktype);
-static Bytes *pkcs1_decrypt(TlsSec *sec, uchar *epm, int nepm);
-static void tlsSetFinished(TlsSec *sec, HandHash hs, uchar *finished, int isClient);
-static void tls12SetFinished(TlsSec *sec, HandHash hs, uchar *finished, int isClient);
-static void sslSetFinished(TlsSec *sec, HandHash hs, uchar *finished, int isClient);
-static void sslPRF(uchar *buf, int nbuf, uchar *key, int nkey, char *label,
- uchar *seed0, int nseed0, uchar *seed1, int nseed1);
-static int setVers(TlsSec *sec, int version);
+static int digestDHparams(TlsSec *sec, Bytes *par, uchar digest[MAXdlen], int sigalg);
+static char* verifyDHparams(TlsSec *sec, Bytes *par, Bytes *cert, Bytes *sig, int sigalg);
-static AuthRpc* factotum_rsa_open(uchar *cert, int certlen);
-static mpint* factotum_rsa_decrypt(AuthRpc *rpc, mpint *cipher);
-static void factotum_rsa_close(AuthRpc*rpc);
+static Bytes* pkcs1_encrypt(Bytes* data, RSApub* key);
+static Bytes* pkcs1_decrypt(TlsSec *sec, Bytes *data);
+static Bytes* pkcs1_sign(TlsSec *sec, uchar *digest, int digestlen, int sigalg);
static void* emalloc(int);
static void* erealloc(void*, int);
static void put32(uchar *p, u32int);
static void put24(uchar *p, int);
static void put16(uchar *p, int);
-static u32int get32(uchar *p);
static int get24(uchar *p);
static int get16(uchar *p);
static Bytes* newbytes(int len);
static Bytes* makebytes(uchar* buf, int len);
+static Bytes* mptobytes(mpint* big, int len);
+static mpint* bytestomp(Bytes* bytes);
static void freebytes(Bytes* b);
static Ints* newints(int len);
-static Ints* makeints(int* buf, int len);
static void freeints(Ints* b);
+static int lookupid(Ints* b, int id);
//================= client/server ========================
@@ -349,7 +459,7 @@
if(conn == nil)
return -1;
- ctl = open("#a/tls/clone", ORDWR);
+ ctl = open("#a/tls/clone", ORDWR|OCEXEC);
if(ctl < 0)
return -1;
n = read(ctl, buf, sizeof(buf)-1);
@@ -358,40 +468,117 @@
return -1;
}
buf[n] = 0;
- snprint(conn->dir, sizeof conn->dir, "#a/tls/%s", buf);
- snprint(dname, sizeof dname, "#a/tls/%s/hand", buf);
- hand = open(dname, ORDWR);
+ snprint(conn->dir, sizeof(conn->dir), "#a/tls/%s", buf);
+ snprint(dname, sizeof(dname), "#a/tls/%s/hand", buf);
+ hand = open(dname, ORDWR|OCEXEC);
if(hand < 0){
close(ctl);
return -1;
}
+ data = -1;
fprint(ctl, "fd %d 0x%x", fd, ProtocolVersion);
- tls = tlsServer2(ctl, hand, conn->cert, conn->certlen, conn->trace, conn->chain);
- snprint(dname, sizeof dname, "#a/tls/%s/data", buf);
- data = open(dname, ORDWR);
- close(fd);
+ tls = tlsServer2(ctl, hand,
+ conn->cert, conn->certlen,
+ conn->pskID, conn->psk, conn->psklen,
+ conn->trace, conn->chain);
+ if(tls != nil){
+ snprint(dname, sizeof(dname), "#a/tls/%s/data", buf);
+ data = open(dname, ORDWR);
+ }
close(hand);
close(ctl);
if(data < 0){
+ tlsConnectionFree(tls);
return -1;
}
- if(tls == nil){
- close(data);
- return -1;
- }
- if(conn->cert)
- free(conn->cert);
- conn->cert = 0; // client certificates are not yet implemented
+ free(conn->cert);
+ conn->cert = nil; // client certificates are not yet implemented
conn->certlen = 0;
- conn->sessionIDlen = tls->sid->len;
- conn->sessionID = emalloc(conn->sessionIDlen);
- memcpy(conn->sessionID, tls->sid->data, conn->sessionIDlen);
- if(conn->sessionKey != nil && conn->sessionType != nil && strcmp(conn->sessionType, "ttls") == 0)
- tls->sec->prf(conn->sessionKey, conn->sessionKeylen, tls->sec->sec, MasterSecretSize, conn->sessionConst, tls->sec->crandom, RandomSize, tls->sec->srandom, RandomSize);
+ conn->sessionIDlen = 0;
+ conn->sessionID = nil;
+ if(conn->sessionKey != nil
+ && conn->sessionType != nil
+ && strcmp(conn->sessionType, "ttls") == 0)
+ tls->sec->prf(
+ conn->sessionKey, conn->sessionKeylen,
+ tls->sec->sec, MasterSecretSize,
+ conn->sessionConst,
+ tls->sec->crandom, RandomSize,
+ tls->sec->srandom, RandomSize);
tlsConnectionFree(tls);
+ close(fd);
return data;
}
+static uchar*
+tlsClientExtensions(TLSconn *conn, int *plen)
+{
+ uchar *b, *p;
+ int i, n, m;
+
+ p = b = nil;
+
+ // RFC6066 - Server Name Identification
+ if(conn->serverName != nil){
+ n = strlen(conn->serverName);
+
+ m = p - b;
+ b = erealloc(b, m + 2+2+2+1+2+n);
+ p = b + m;
+
+ put16(p, 0), p += 2; /* Type: server_name */
+ put16(p, 2+1+2+n), p += 2; /* Length */
+ put16(p, 1+2+n), p += 2; /* Server Name list length */
+ *p++ = 0; /* Server Name Type: host_name */
+ put16(p, n), p += 2; /* Server Name length */
+ memmove(p, conn->serverName, n);
+ p += n;
+ }
+
+ // ECDHE
+ if(ProtocolVersion >= TLS10Version){
+ m = p - b;
+ b = erealloc(b, m + 2+2+2+nelem(namedcurves)*2 + 2+2+1+nelem(pointformats));
+ p = b + m;
+
+ n = nelem(namedcurves);
+ put16(p, 0x000a), p += 2; /* Type: elliptic_curves */
+ put16(p, (n+1)*2), p += 2; /* Length */
+ put16(p, n*2), p += 2; /* Elliptic Curves Length */
+ for(i=0; i < n; i++){ /* Elliptic curves */
+ put16(p, namedcurves[i].tlsid);
+ p += 2;
+ }
+
+ n = nelem(pointformats);
+ put16(p, 0x000b), p += 2; /* Type: ec_point_formats */
+ put16(p, n+1), p += 2; /* Length */
+ *p++ = n; /* EC point formats Length */
+ for(i=0; i < n; i++) /* Elliptic curves point formats */
+ *p++ = pointformats[i];
+ }
+
+ // signature algorithms
+ if(ProtocolVersion >= TLS12Version){
+ n = nelem(sigalgs);
+
+ m = p - b;
+ b = erealloc(b, m + 2+2+2+n*2);
+ p = b + m;
+
+ put16(p, 0x000d), p += 2;
+ put16(p, n*2 + 2), p += 2;
+ put16(p, n*2), p += 2;
+ for(i=0; i < n; i++){
+ put16(p, sigalgs[i]);
+ p += 2;
+ }
+ }
+
+ *plen = p - b;
+ return b;
+}
+
// push TLS onto fd, returning new (application) file descriptor
// or -1 if error.
int
@@ -401,10 +588,11 @@
char dname[64];
int n, data, ctl, hand;
TlsConnection *tls;
+ uchar *ext;
- if(!conn)
+ if(conn == nil)
return -1;
- ctl = open("#a/tls/clone", ORDWR);
+ ctl = open("#a/tls/clone", ORDWR|OCEXEC);
if(ctl < 0)
return -1;
n = read(ctl, buf, sizeof(buf)-1);
@@ -413,38 +601,55 @@
return -1;
}
buf[n] = 0;
- snprint(conn->dir, sizeof conn->dir, "#a/tls/%s", buf);
- snprint(dname, sizeof dname, "#a/tls/%s/hand", buf);
- hand = open(dname, ORDWR);
+ snprint(conn->dir, sizeof(conn->dir), "#a/tls/%s", buf);
+ snprint(dname, sizeof(dname), "#a/tls/%s/hand", buf);
+ hand = open(dname, ORDWR|OCEXEC);
if(hand < 0){
close(ctl);
return -1;
}
- snprint(dname, sizeof dname, "#a/tls/%s/data", buf);
+ snprint(dname, sizeof(dname), "#a/tls/%s/data", buf);
data = open(dname, ORDWR);
- if(data < 0) {
+ if(data < 0){
close(hand);
close(ctl);
return -1;
}
fprint(ctl, "fd %d 0x%x", fd, ProtocolVersion);
- tls = tlsClient2(ctl, hand, conn->sessionID, conn->sessionIDlen, conn->trace);
- close(fd);
+ ext = tlsClientExtensions(conn, &n);
+ tls = tlsClient2(ctl, hand,
+ conn->cert, conn->certlen,
+ conn->pskID, conn->psk, conn->psklen,
+ ext, n, conn->trace);
+ free(ext);
close(hand);
close(ctl);
if(tls == nil){
close(data);
return -1;
}
- conn->certlen = tls->cert->len;
- conn->cert = emalloc(conn->certlen);
- memcpy(conn->cert, tls->cert->data, conn->certlen);
- conn->sessionIDlen = tls->sid->len;
- conn->sessionID = emalloc(conn->sessionIDlen);
- memcpy(conn->sessionID, tls->sid->data, conn->sessionIDlen);
- if(conn->sessionKey != nil && conn->sessionType != nil && strcmp(conn->sessionType, "ttls") == 0)
- tls->sec->prf(conn->sessionKey, conn->sessionKeylen, tls->sec->sec, MasterSecretSize, conn->sessionConst, tls->sec->crandom, RandomSize, tls->sec->srandom, RandomSize);
+ free(conn->cert);
+ if(tls->cert != nil){
+ conn->certlen = tls->cert->len;
+ conn->cert = emalloc(conn->certlen);
+ memcpy(conn->cert, tls->cert->data, conn->certlen);
+ } else {
+ conn->certlen = 0;
+ conn->cert = nil;
+ }
+ conn->sessionIDlen = 0;
+ conn->sessionID = nil;
+ if(conn->sessionKey != nil
+ && conn->sessionType != nil
+ && strcmp(conn->sessionType, "ttls") == 0)
+ tls->sec->prf(
+ conn->sessionKey, conn->sessionKeylen,
+ tls->sec->sec, MasterSecretSize,
+ conn->sessionConst,
+ tls->sec->crandom, RandomSize,
+ tls->sec->srandom, RandomSize);
tlsConnectionFree(tls);
+ close(fd);
return data;
}
@@ -461,24 +666,26 @@
}
static TlsConnection *
-tlsServer2(int ctl, int hand, uchar *cert, int ncert, int (*trace)(char*fmt, ...), PEMChain *chp)
+tlsServer2(int ctl, int hand,
+ uchar *cert, int certlen,
+ char *pskid, uchar *psk, int psklen,
+ int (*trace)(char*fmt, ...), PEMChain *chp)
{
+ int cipher, compressor, numcerts, i;
TlsConnection *c;
Msg m;
- Bytes *csid;
- uchar sid[SidSize], kd[MaxKeyData];
- char *secrets;
- int cipher, compressor, nsid, rv, numcerts, i;
if(trace)
trace("tlsServer2\n");
if(!initCiphers())
return nil;
+
c = emalloc(sizeof(TlsConnection));
c->ctl = ctl;
c->hand = hand;
c->trace = trace;
c->version = ProtocolVersion;
+ c->sendp = c->buf;
memset(&m, 0, sizeof(m));
if(!msgRecv(c, &m)){
@@ -490,25 +697,19 @@
tlsError(c, EUnexpectedMessage, "expected a client hello");
goto Err;
}
- c->clientVersion = m.u.clientHello.version;
if(trace)
- trace("ClientHello version %x\n", c->clientVersion);
+ trace("ClientHello version %x\n", m.u.clientHello.version);
if(setVersion(c, m.u.clientHello.version) < 0) {
tlsError(c, EIllegalParameter, "incompatible version");
goto Err;
}
-
- memmove(c->crandom, m.u.clientHello.random, RandomSize);
- cipher = okCipher(m.u.clientHello.ciphers);
- if(cipher < 0) {
- // reply with EInsufficientSecurity if we know that's the case
- if(cipher == -2)
- tlsError(c, EInsufficientSecurity, "cipher suites too weak");
- else
- tlsError(c, EHandshakeFailure, "no matching cipher suite");
+ if(c->version < ProtocolVersion
+ && lookupid(m.u.clientHello.ciphers, TLS_FALLBACK_SCSV) >= 0){
+ tlsError(c, EInappropriateFallback, "inappropriate fallback");
goto Err;
}
- if(!setAlgs(c, cipher)){
+ cipher = okCipher(m.u.clientHello.ciphers, psklen > 0);
+ if(cipher < 0 || !setAlgs(c, cipher)) {
tlsError(c, EHandshakeFailure, "no matching cipher suite");
goto Err;
}
@@ -517,49 +718,84 @@
tlsError(c, EHandshakeFailure, "no matching compressor");
goto Err;
}
-
- csid = m.u.clientHello.sid;
if(trace)
- trace(" cipher %d, compressor %d, csidlen %d\n", cipher, compressor, csid->len);
- c->sec = tlsSecInits(c->clientVersion, csid->data, csid->len, c->crandom, sid, &nsid, c->srandom);
- if(c->sec == nil){
- tlsError(c, EHandshakeFailure, "can't initialize security: %r");
- goto Err;
- }
- c->sec->rpc = factotum_rsa_open(cert, ncert);
- if(c->sec->rpc == nil){
- tlsError(c, EHandshakeFailure, "factotum_rsa_open: %r");
- goto Err;
+ trace(" cipher %x, compressor %x\n", cipher, compressor);
+
+ tlsSecInits(c->sec, m.u.clientHello.version, m.u.clientHello.random);
+ tlsSecVers(c->sec, c->version);
+ if(psklen > 0){
+ c->sec->psk = psk;
+ c->sec->psklen = psklen;
+ }
+ if(certlen > 0){
+ /* server certificate */
+ c->sec->rsapub = X509toRSApub(cert, certlen, nil, 0);
+ if(c->sec->rsapub == nil){
+ tlsError(c, EHandshakeFailure, "invalid X509/rsa certificate");
+ goto Err;
+ }
+ c->sec->rpc = factotum_rsa_open(c->sec->rsapub);
+ if(c->sec->rpc == nil){
+ tlsError(c, EHandshakeFailure, "factotum_rsa_open: %r");
+ goto Err;
+ }
}
- c->sec->rsapub = X509toRSApub(cert, ncert, nil, 0);
msgClear(&m);
m.tag = HServerHello;
m.u.serverHello.version = c->version;
- memmove(m.u.serverHello.random, c->srandom, RandomSize);
+ memmove(m.u.serverHello.random, c->sec->srandom, RandomSize);
m.u.serverHello.cipher = cipher;
m.u.serverHello.compressor = compressor;
- c->sid = makebytes(sid, nsid);
- m.u.serverHello.sid = makebytes(c->sid->data, c->sid->len);
+ m.u.serverHello.sid = makebytes(nil, 0);
if(!msgSend(c, &m, AQueue))
goto Err;
- msgClear(&m);
- m.tag = HCertificate;
- numcerts = countchain(chp);
- m.u.certificate.ncert = 1 + numcerts;
- m.u.certificate.certs = emalloc(m.u.certificate.ncert * sizeof(Bytes));
- m.u.certificate.certs[0] = makebytes(cert, ncert);
- for (i = 0; i < numcerts && chp; i++, chp = chp->next)
- m.u.certificate.certs[i+1] = makebytes(chp->pem, chp->pemlen);
- if(!msgSend(c, &m, AQueue))
- goto Err;
- msgClear(&m);
+ if(certlen > 0){
+ m.tag = HCertificate;
+ numcerts = countchain(chp);
+ m.u.certificate.ncert = 1 + numcerts;
+ m.u.certificate.certs = emalloc(m.u.certificate.ncert * sizeof(Bytes*));
+ m.u.certificate.certs[0] = makebytes(cert, certlen);
+ for (i = 0; i < numcerts && chp; i++, chp = chp->next)
+ m.u.certificate.certs[i+1] = makebytes(chp->pem, chp->pemlen);
+ if(!msgSend(c, &m, AQueue))
+ goto Err;
+ }
+
+ if(isECDHE(cipher)){
+ Namedcurve *nc = &namedcurves[0]; /* secp256r1 */
+
+ m.tag = HServerKeyExchange;
+ m.u.serverKeyExchange.curve = nc->tlsid;
+ m.u.serverKeyExchange.dh_parameters = tlsSecECDHEs1(c->sec, nc);
+ if(m.u.serverKeyExchange.dh_parameters == nil){
+ tlsError(c, EInternalError, "can't set DH parameters");
+ goto Err;
+ }
+
+ /* sign the DH parameters */
+ if(certlen > 0){
+ uchar digest[MAXdlen];
+ int digestlen;
+
+ if(c->version >= TLS12Version)
+ m.u.serverKeyExchange.sigalg = 0x0401; /* RSA SHA256 */
+ digestlen = digestDHparams(c->sec, m.u.serverKeyExchange.dh_parameters,
+ digest, m.u.serverKeyExchange.sigalg);
+ if((m.u.serverKeyExchange.dh_signature = pkcs1_sign(c->sec, digest, digestlen,
+ m.u.serverKeyExchange.sigalg)) == nil){
+ tlsError(c, EHandshakeFailure, "pkcs1_sign: %r");
+ goto Err;
+ }
+ }
+ if(!msgSend(c, &m, AQueue))
+ goto Err;
+ }
m.tag = HServerHelloDone;
if(!msgSend(c, &m, AFlush))
goto Err;
- msgClear(&m);
if(!msgRecv(c, &m))
goto Err;
@@ -567,26 +803,40 @@
tlsError(c, EUnexpectedMessage, "expected a client key exchange");
goto Err;
}
- if(tlsSecSecrets(c->sec, c->version, m.u.clientKeyExchange.key->data, m.u.clientKeyExchange.key->len, kd, c->nsecret) < 0){
- tlsError(c, EHandshakeFailure, "couldn't set secrets: %r");
+ if(pskid != nil){
+ if(m.u.clientKeyExchange.pskid == nil
+ || m.u.clientKeyExchange.pskid->len != strlen(pskid)
+ || memcmp(pskid, m.u.clientKeyExchange.pskid->data, m.u.clientKeyExchange.pskid->len) != 0){
+ tlsError(c, EUnknownPSKidentity, "unknown or missing pskid");
+ goto Err;
+ }
+ }
+ if(isECDHE(cipher)){
+ if(tlsSecECDHEs2(c->sec, m.u.clientKeyExchange.key) < 0){
+ tlsError(c, EHandshakeFailure, "couldn't set keys: %r");
+ goto Err;
+ }
+ } else if(certlen > 0){
+ if(tlsSecRSAs(c->sec, m.u.clientKeyExchange.key) < 0){
+ tlsError(c, EHandshakeFailure, "couldn't set keys: %r");
+ goto Err;
+ }
+ } else if(psklen > 0){
+ setMasterSecret(c->sec, newbytes(psklen));
+ } else {
+ tlsError(c, EInternalError, "no psk or certificate");
goto Err;
}
+
if(trace)
trace("tls secrets\n");
- secrets = (char*)emalloc(2*c->nsecret);
- enc64(secrets, 2*c->nsecret, kd, c->nsecret);
- rv = fprint(c->ctl, "secret %s %s 0 %s", c->digest, c->enc, secrets);
- memset(secrets, 0, 2*c->nsecret);
- free(secrets);
- memset(kd, 0, c->nsecret);
- if(rv < 0){
- tlsError(c, EHandshakeFailure, "can't set keys: %r");
+ if(setSecrets(c, 0) < 0){
+ tlsError(c, EHandshakeFailure, "can't set secrets: %r");
goto Err;
}
- msgClear(&m);
/* no CertificateVerify; skip to Finished */
- if(tlsSecFinished(c->sec, c->hs, c->finished.verify, c->finished.n, 1) < 0){
+ if(tlsSecFinished(c->sec, c->handhash, c->finished.verify, c->finished.n, 1) < 0){
tlsError(c, EInternalError, "can't set finished: %r");
goto Err;
}
@@ -608,7 +858,7 @@
goto Err;
}
- if(tlsSecFinished(c->sec, c->hs, c->finished.verify, c->finished.n, 0) < 0){
+ if(tlsSecFinished(c->sec, c->handhash, c->finished.verify, c->finished.n, 0) < 0){
tlsError(c, EInternalError, "can't set finished: %r");
goto Err;
}
@@ -616,58 +866,161 @@
m.u.finished = c->finished;
if(!msgSend(c, &m, AFlush))
goto Err;
- msgClear(&m);
if(trace)
trace("tls finished\n");
if(fprint(c->ctl, "opened") < 0)
goto Err;
- tlsSecOk(c->sec);
return c;
Err:
msgClear(&m);
tlsConnectionFree(c);
- return 0;
+ return nil;
+}
+
+static Bytes*
+tlsSecDHEc(TlsSec *sec, Bytes *p, Bytes *g, Bytes *Ys)
+{
+ DHstate *dh = &sec->dh;
+ mpint *G, *P, *Y, *K;
+ Bytes *Yc;
+ int n;
+
+ if(p == nil || g == nil || Ys == nil)
+ return nil;
+
+ Yc = nil;
+ P = bytestomp(p);
+ G = bytestomp(g);
+ Y = bytestomp(Ys);
+ K = nil;
+
+ if(dh_new(dh, P, nil, G) == nil)
+ goto Out;
+ n = (mpsignif(P)+7)/8;
+ Yc = mptobytes(dh->y, n);
+ K = dh_finish(dh, Y); /* zeros dh */
+ if(K == nil){
+ freebytes(Yc);
+ Yc = nil;
+ goto Out;
+ }
+ setMasterSecret(sec, mptobytes(K, n));
+
+Out:
+ mpfree(K);
+ mpfree(Y);
+ mpfree(G);
+ mpfree(P);
+
+ return Yc;
+}
+
+static Bytes*
+tlsSecECDHEc(TlsSec *sec, int curve, Bytes *Ys)
+{
+ ECdomain *dom = &sec->ec.dom;
+ ECpriv *Q = &sec->ec.Q;
+ Namedcurve *nc;
+ ECpub *pub;
+ ECpoint K;
+ Bytes *Yc;
+ int n;
+
+ if(Ys == nil)
+ return nil;
+ for(nc = namedcurves; nc != &namedcurves[nelem(namedcurves)]; nc++)
+ if(nc->tlsid == curve)
+ goto Found;
+ return nil;
+
+Found:
+ ecdominit(dom, nc->init);
+ pub = ecdecodepub(dom, Ys->data, Ys->len);
+ if(pub == nil)
+ return nil;
+
+ memset(Q, 0, sizeof(*Q));
+ Q->x = mpnew(0);
+ Q->y = mpnew(0);
+ Q->d = mpnew(0);
+
+ memset(&K, 0, sizeof(K));
+ K.x = mpnew(0);
+ K.y = mpnew(0);
+
+ ecgen(dom, Q);
+ ecmul(dom, pub, Q->d, &K);
+
+ n = (mpsignif(dom->p)+7)/8;
+ setMasterSecret(sec, mptobytes(K.x, n));
+ Yc = newbytes(1 + 2*n);
+ Yc->len = ecencodepub(dom, Q, Yc->data, Yc->len);
+
+ mpfree(K.x);
+ mpfree(K.y);
+
+ ecpubfree(pub);
+
+ return Yc;
}
static TlsConnection *
-tlsClient2(int ctl, int hand, uchar *csid, int ncsid, int (*trace)(char*fmt, ...))
+tlsClient2(int ctl, int hand,
+ uchar *cert, int certlen,
+ char *pskid, uchar *psk, int psklen,
+ uchar *ext, int extlen,
+ int (*trace)(char*fmt, ...))
{
+ int creq, dhx, cipher;
TlsConnection *c;
+ Bytes *epm;
Msg m;
- uchar kd[MaxKeyData], *epm;
- char *secrets;
- int creq, nepm, rv;
if(!initCiphers())
return nil;
+
epm = nil;
+ memset(&m, 0, sizeof(m));
c = emalloc(sizeof(TlsConnection));
- c->version = ProtocolVersion;
+
c->ctl = ctl;
c->hand = hand;
c->trace = trace;
- c->isClient = 1;
- c->clientVersion = c->version;
+ c->cert = nil;
+ c->sendp = c->buf;
- c->sec = tlsSecInitc(c->clientVersion, c->crandom);
- if(c->sec == nil)
- goto Err;
+ c->version = ProtocolVersion;
+ tlsSecInitc(c->sec, c->version);
+ if(psklen > 0){
+ c->sec->psk = psk;
+ c->sec->psklen = psklen;
+ }
+ if(certlen > 0){
+ /* client certificate */
+ c->sec->rsapub = X509toRSApub(cert, certlen, nil, 0);
+ if(c->sec->rsapub == nil){
+ tlsError(c, EInternalError, "invalid X509/rsa certificate");
+ goto Err;
+ }
+ c->sec->rpc = factotum_rsa_open(c->sec->rsapub);
+ if(c->sec->rpc == nil){
+ tlsError(c, EInternalError, "factotum_rsa_open: %r");
+ goto Err;
+ }
+ }
/* client hello */
- memset(&m, 0, sizeof(m));
m.tag = HClientHello;
- m.u.clientHello.version = c->clientVersion;
- memmove(m.u.clientHello.random, c->crandom, RandomSize);
- m.u.clientHello.sid = makebytes(csid, ncsid);
- m.u.clientHello.ciphers = makeciphers();
+ m.u.clientHello.version = c->version;
+ memmove(m.u.clientHello.random, c->sec->crandom, RandomSize);
+ m.u.clientHello.sid = makebytes(nil, 0);
+ m.u.clientHello.ciphers = makeciphers(psklen > 0);
m.u.clientHello.compressors = makebytes(compressors,sizeof(compressors));
- if(c->clientVersion >= TLS12Version)
- m.u.clientHello.sigAlgs = makeints(sigAlgs, nelem(sigAlgs));
+ m.u.clientHello.extensions = makebytes(ext, extlen);
if(!msgSend(c, &m, AFlush))
goto Err;
- msgClear(&m);
/* server hello */
if(!msgRecv(c, &m))
@@ -677,16 +1030,14 @@
goto Err;
}
if(setVersion(c, m.u.serverHello.version) < 0) {
- tlsError(c, EIllegalParameter, "incompatible version %r");
+ tlsError(c, EIllegalParameter, "incompatible version: %r");
goto Err;
}
- memmove(c->srandom, m.u.serverHello.random, RandomSize);
- c->sid = makebytes(m.u.serverHello.sid->data, m.u.serverHello.sid->len);
- if(c->sid->len != 0 && c->sid->len != SidSize) {
- tlsError(c, EIllegalParameter, "invalid server session identifier");
- goto Err;
- }
- if(!setAlgs(c, m.u.serverHello.cipher)) {
+ tlsSecVers(c->sec, c->version);
+ memmove(c->sec->srandom, m.u.serverHello.random, RandomSize);
+
+ cipher = m.u.serverHello.cipher;
+ if((psklen > 0) != isPSK(cipher) || !setAlgs(c, cipher)) {
tlsError(c, EIllegalParameter, "invalid cipher suite");
goto Err;
}
@@ -694,35 +1045,61 @@
tlsError(c, EIllegalParameter, "invalid compression");
goto Err;
}
- msgClear(&m);
- /* certificate */
- if(!msgRecv(c, &m) || m.tag != HCertificate) {
- tlsError(c, EUnexpectedMessage, "expected a certificate");
+ dhx = isDHE(cipher) || isECDHE(cipher);
+ if(!msgRecv(c, &m))
goto Err;
- }
- if(m.u.certificate.ncert < 1) {
- tlsError(c, EIllegalParameter, "runt certificate");
+ if(m.tag == HCertificate){
+ if(m.u.certificate.ncert < 1) {
+ tlsError(c, EIllegalParameter, "runt certificate");
+ goto Err;
+ }
+ c->cert = makebytes(m.u.certificate.certs[0]->data, m.u.certificate.certs[0]->len);
+ if(!msgRecv(c, &m))
+ goto Err;
+ } else if(psklen == 0) {
+ tlsError(c, EUnexpectedMessage, "expected a certificate");
goto Err;
}
- c->cert = makebytes(m.u.certificate.certs[0]->data, m.u.certificate.certs[0]->len);
- msgClear(&m);
-
- /* server key exchange (optional) */
- if(!msgRecv(c, &m))
- goto Err;
if(m.tag == HServerKeyExchange) {
- tlsError(c, EUnexpectedMessage, "got an server key exchange");
+ if(dhx){
+ char *err = verifyDHparams(c->sec,
+ m.u.serverKeyExchange.dh_parameters,
+ c->cert,
+ m.u.serverKeyExchange.dh_signature,
+ c->version<TLS12Version ? 0x01 : m.u.serverKeyExchange.sigalg);
+ if(err != nil){
+ tlsError(c, EBadCertificate, "can't verify DH parameters: %s", err);
+ goto Err;
+ }
+ if(isECDHE(cipher))
+ epm = tlsSecECDHEc(c->sec,
+ m.u.serverKeyExchange.curve,
+ m.u.serverKeyExchange.dh_Ys);
+ else
+ epm = tlsSecDHEc(c->sec,
+ m.u.serverKeyExchange.dh_p,
+ m.u.serverKeyExchange.dh_g,
+ m.u.serverKeyExchange.dh_Ys);
+ if(epm == nil){
+ tlsError(c, EHandshakeFailure, "bad DH parameters");
+ goto Err;
+ }
+ } else if(psklen == 0){
+ tlsError(c, EUnexpectedMessage, "got an server key exchange");
+ goto Err;
+ }
+ if(!msgRecv(c, &m))
+ goto Err;
+ } else if(dhx){
+ tlsError(c, EUnexpectedMessage, "expected server key exchange");
goto Err;
- // If implementing this later, watch out for rollback attack
- // described in Wagner Schneier 1996, section 4.4.
}
/* certificate request (optional) */
creq = 0;
if(m.tag == HCertificateRequest) {
creq = 1;
- msgClear(&m);
if(!msgRecv(c, &m))
goto Err;
}
@@ -733,43 +1110,81 @@
}
msgClear(&m);
- if(tlsSecSecretc(c->sec, c->sid->data, c->sid->len, c->srandom,
- c->cert->data, c->cert->len, c->version, &epm, &nepm,
- kd, c->nsecret) < 0){
- tlsError(c, EBadCertificate, "invalid x509/rsa certificate");
- goto Err;
+ if(!dhx){
+ if(c->cert != nil){
+ epm = tlsSecRSAc(c->sec, c->cert->data, c->cert->len);
+ if(epm == nil){
+ tlsError(c, EBadCertificate, "bad certificate: %r");
+ goto Err;
+ }
+ } else if(psklen > 0){
+ setMasterSecret(c->sec, newbytes(psklen));
+ } else {
+ tlsError(c, EInternalError, "no psk or certificate");
+ goto Err;
+ }
}
- secrets = (char*)emalloc(2*c->nsecret);
- enc64(secrets, 2*c->nsecret, kd, c->nsecret);
- rv = fprint(c->ctl, "secret %s %s 1 %s", c->digest, c->enc, secrets);
- memset(secrets, 0, 2*c->nsecret);
- free(secrets);
- memset(kd, 0, c->nsecret);
- if(rv < 0){
- tlsError(c, EHandshakeFailure, "can't set keys: %r");
+
+ if(trace)
+ trace("tls secrets\n");
+ if(setSecrets(c, 1) < 0){
+ tlsError(c, EHandshakeFailure, "can't set secrets: %r");
goto Err;
}
if(creq) {
- /* send a zero length certificate */
m.tag = HCertificate;
+ if(certlen > 0){
+ m.u.certificate.ncert = 1;
+ m.u.certificate.certs = emalloc(m.u.certificate.ncert * sizeof(Bytes*));
+ m.u.certificate.certs[0] = makebytes(cert, certlen);
+ }
if(!msgSend(c, &m, AFlush))
goto Err;
- msgClear(&m);
}
/* client key exchange */
m.tag = HClientKeyExchange;
- m.u.clientKeyExchange.key = makebytes(epm, nepm);
- free(epm);
- epm = nil;
- if(m.u.clientKeyExchange.key == nil) {
- tlsError(c, EHandshakeFailure, "can't set secret: %r");
- goto Err;
+ if(psklen > 0){
+ if(pskid == nil)
+ pskid = "";
+ m.u.clientKeyExchange.pskid = makebytes((uchar*)pskid, strlen(pskid));
}
+ m.u.clientKeyExchange.key = epm;
+ epm = nil;
+
if(!msgSend(c, &m, AFlush))
goto Err;
- msgClear(&m);
+
+ /* certificate verify */
+ if(creq && certlen > 0) {
+ HandshakeHash hsave;
+ uchar digest[MAXdlen];
+ int digestlen;
+
+ /* save the state for the Finish message */
+ hsave = c->handhash;
+ if(c->version < TLS12Version){
+ md5(nil, 0, digest, &c->handhash.md5);
+ sha1(nil, 0, digest+MD5dlen, &c->handhash.sha1);
+ digestlen = MD5dlen+SHA1dlen;
+ } else {
+ m.u.certificateVerify.sigalg = 0x0401; /* RSA SHA256 */
+ sha2_256(nil, 0, digest, &c->handhash.sha2_256);
+ digestlen = SHA2_256dlen;
+ }
+ c->handhash = hsave;
+
+ if((m.u.certificateVerify.signature = pkcs1_sign(c->sec, digest, digestlen,
+ m.u.certificateVerify.sigalg)) == nil){
+ tlsError(c, EHandshakeFailure, "pkcs1_sign: %r");
+ goto Err;
+ }
+
+ m.tag = HCertificateVerify;
+ if(!msgSend(c, &m, AFlush))
+ goto Err;
+ }
/* change cipher spec */
if(fprint(c->ctl, "changecipher") < 0){
@@ -779,32 +1194,26 @@
// Cipherchange must occur immediately before Finished to avoid
// potential hole; see section 4.3 of Wagner Schneier 1996.
- if(tlsSecFinished(c->sec, c->hs, c->finished.verify, c->finished.n, 1) < 0){
+ if(tlsSecFinished(c->sec, c->handhash, c->finished.verify, c->finished.n, 1) < 0){
tlsError(c, EInternalError, "can't set finished 1: %r");
goto Err;
}
m.tag = HFinished;
m.u.finished = c->finished;
-
if(!msgSend(c, &m, AFlush)) {
- fprint(2, "tlsClient nepm=%d\n", nepm);
tlsError(c, EInternalError, "can't flush after client Finished: %r");
goto Err;
}
- msgClear(&m);
- if(tlsSecFinished(c->sec, c->hs, c->finished.verify, c->finished.n, 0) < 0){
- fprint(2, "tlsClient nepm=%d\n", nepm);
+ if(tlsSecFinished(c->sec, c->handhash, c->finished.verify, c->finished.n, 0) < 0){
tlsError(c, EInternalError, "can't set finished 0: %r");
goto Err;
}
if(!msgRecv(c, &m)) {
- fprint(2, "tlsClient nepm=%d\n", nepm);
tlsError(c, EInternalError, "can't read server Finished: %r");
goto Err;
}
if(m.tag != HFinished) {
- fprint(2, "tlsClient nepm=%d\n", nepm);
tlsError(c, EUnexpectedMessage, "expected a Finished msg from server");
goto Err;
}
@@ -820,43 +1229,37 @@
trace("unable to do final open: %r\n");
goto Err;
}
- tlsSecOk(c->sec);
return c;
Err:
free(epm);
msgClear(&m);
tlsConnectionFree(c);
- return 0;
+ return nil;
}
//================= message functions ========================
-static uchar sendbuf[9000], *sendp;
-
static void
msgHash(TlsConnection *c, uchar *p, int n)
{
- md5(p, n, 0, &c->hs.md5);
- sha1(p, n, 0, &c->hs.sha1);
+ md5(p, n, 0, &c->handhash.md5);
+ sha1(p, n, 0, &c->handhash.sha1);
if(c->version >= TLS12Version)
- sha2_256(p, n, 0, &c->hs.sha2_256);
- else
- memset(&c->hs.sha2_256, 0, sizeof c->hs.sha2_256);
+ sha2_256(p, n, 0, &c->handhash.sha2_256);
}
static int
msgSend(TlsConnection *c, Msg *m, int act)
{
- uchar *p; // sendp = start of new message; p = write pointer
- int nn, n, i;
+ uchar *p, *e; // sendp = start of new message; p = write pointer; e = end pointer
+ int n, i;
- if(sendp == nil)
- sendp = sendbuf;
- p = sendp;
+ p = c->sendp;
+ e = &c->buf[sizeof(c->buf)];
if(c->trace)
- c->trace("send %s", msgPrint((char*)p, (sizeof sendbuf) - (p-sendbuf), m));
+ c->trace("send %s", msgPrint((char*)p, e - p, m));
p[0] = m->tag; // header - fill in size later
p += 4;
@@ -866,123 +1269,162 @@
tlsError(c, EInternalError, "can't encode a %d", m->tag);
goto Err;
case HClientHello:
- // version
- put16(p, m->u.clientHello.version);
- p += 2;
-
- // random
+ if(p+2+RandomSize > e)
+ goto Overflow;
+ put16(p, m->u.clientHello.version), p += 2;
memmove(p, m->u.clientHello.random, RandomSize);
p += RandomSize;
- // sid
- n = m->u.clientHello.sid->len;
- assert(n < 256);
- p[0] = n;
- memmove(p+1, m->u.clientHello.sid->data, n);
- p += n+1;
-
- n = m->u.clientHello.ciphers->len;
- assert(n > 0 && n < 200);
- put16(p, n*2);
- p += 2;
- for(i=0; i<n; i++) {
- put16(p, m->u.clientHello.ciphers->data[i]);
- p += 2;
- }
+ if(p+1+(n = m->u.clientHello.sid->len) > e)
+ goto Overflow;
+ *p++ = n;
+ memmove(p, m->u.clientHello.sid->data, n);
+ p += n;
- n = m->u.clientHello.compressors->len;
- assert(n > 0);
- p[0] = n;
- memmove(p+1, m->u.clientHello.compressors->data, n);
- p += n+1;
-
- if(m->u.clientHello.sigAlgs != nil) {
- n = m->u.clientHello.sigAlgs->len;
- put16(p, 6 + 2*n); /* length of extensions */
- put16(p+2, ExtSigalgs);
- put16(p+4, 2 + 2*n); /* length of extension content */
- put16(p+6, 2*n); /* length of algorithm list */
- p += 8;
- for(i = 0; i < n; i++) {
- put16(p, m->u.clientHello.sigAlgs->data[i]);
- p += 2;
- }
- }
+ if(p+2+(n = m->u.clientHello.ciphers->len) > e)
+ goto Overflow;
+ put16(p, n*2), p += 2;
+ for(i=0; i<n; i++)
+ put16(p, m->u.clientHello.ciphers->data[i]), p += 2;
+
+ if(p+1+(n = m->u.clientHello.compressors->len) > e)
+ goto Overflow;
+ *p++ = n;
+ memmove(p, m->u.clientHello.compressors->data, n);
+ p += n;
+
+ if(m->u.clientHello.extensions == nil
+ || (n = m->u.clientHello.extensions->len) == 0)
+ break;
+ if(p+2+n > e)
+ goto Overflow;
+ put16(p, n), p += 2;
+ memmove(p, m->u.clientHello.extensions->data, n);
+ p += n;
break;
case HServerHello:
- put16(p, m->u.serverHello.version);
- p += 2;
-
- // random
+ if(p+2+RandomSize > e)
+ goto Overflow;
+ put16(p, m->u.serverHello.version), p += 2;
memmove(p, m->u.serverHello.random, RandomSize);
p += RandomSize;
- // sid
- n = m->u.serverHello.sid->len;
- assert(n < 256);
- p[0] = n;
- memmove(p+1, m->u.serverHello.sid->data, n);
- p += n+1;
-
- put16(p, m->u.serverHello.cipher);
- p += 2;
- p[0] = m->u.serverHello.compressor;
- p += 1;
+ if(p+1+(n = m->u.serverHello.sid->len) > e)
+ goto Overflow;
+ *p++ = n;
+ memmove(p, m->u.serverHello.sid->data, n);
+ p += n;
+
+ if(p+2+1 > e)
+ goto Overflow;
+ put16(p, m->u.serverHello.cipher), p += 2;
+ *p++ = m->u.serverHello.compressor;
+
+ if(m->u.serverHello.extensions == nil
+ || (n = m->u.serverHello.extensions->len) == 0)
+ break;
+ if(p+2+n > e)
+ goto Overflow;
+ put16(p, n), p += 2;
+ memmove(p, m->u.serverHello.extensions->data, n);
+ p += n;
break;
case HServerHelloDone:
break;
case HCertificate:
- nn = 0;
+ n = 0;
for(i = 0; i < m->u.certificate.ncert; i++)
- nn += 3 + m->u.certificate.certs[i]->len;
- if(p + 3 + nn - sendbuf > sizeof(sendbuf)) {
- tlsError(c, EInternalError, "output buffer too small for certificate");
- goto Err;
- }
- put24(p, nn);
- p += 3;
+ n += 3 + m->u.certificate.certs[i]->len;
+ if(p+3+n > e)
+ goto Overflow;
+ put24(p, n), p += 3;
for(i = 0; i < m->u.certificate.ncert; i++){
- put24(p, m->u.certificate.certs[i]->len);
- p += 3;
- memmove(p, m->u.certificate.certs[i]->data, m->u.certificate.certs[i]->len);
- p += m->u.certificate.certs[i]->len;
+ n = m->u.certificate.certs[i]->len;
+ put24(p, n), p += 3;
+ memmove(p, m->u.certificate.certs[i]->data, n);
+ p += n;
+ }
+ break;
+ case HCertificateVerify:
+ if(p+2+2+(n = m->u.certificateVerify.signature->len) > e)
+ goto Overflow;
+ if(m->u.certificateVerify.sigalg != 0)
+ put16(p, m->u.certificateVerify.sigalg), p += 2;
+ put16(p, n), p += 2;
+ memmove(p, m->u.certificateVerify.signature->data, n);
+ p += n;
+ break;
+ case HServerKeyExchange:
+ if(m->u.serverKeyExchange.pskid != nil){
+ if(p+2+(n = m->u.serverKeyExchange.pskid->len) > e)
+ goto Overflow;
+ put16(p, n), p += 2;
+ memmove(p, m->u.serverKeyExchange.pskid->data, n);
+ p += n;
}
+ if(m->u.serverKeyExchange.dh_parameters == nil)
+ break;
+ if(p+(n = m->u.serverKeyExchange.dh_parameters->len) > e)
+ goto Overflow;
+ memmove(p, m->u.serverKeyExchange.dh_parameters->data, n);
+ p += n;
+ if(m->u.serverKeyExchange.dh_signature == nil)
+ break;
+ if(p+2+2+(n = m->u.serverKeyExchange.dh_signature->len) > e)
+ goto Overflow;
+ if(c->version >= TLS12Version)
+ put16(p, m->u.serverKeyExchange.sigalg), p += 2;
+ put16(p, n), p += 2;
+ memmove(p, m->u.serverKeyExchange.dh_signature->data, n);
+ p += n;
break;
case HClientKeyExchange:
- n = m->u.clientKeyExchange.key->len;
- if(c->version != SSL3Version){
- put16(p, n);
- p += 2;
+ if(m->u.clientKeyExchange.pskid != nil){
+ if(p+2+(n = m->u.clientKeyExchange.pskid->len) > e)
+ goto Overflow;
+ put16(p, n), p += 2;
+ memmove(p, m->u.clientKeyExchange.pskid->data, n);
+ p += n;
}
+ if(m->u.clientKeyExchange.key == nil)
+ break;
+ if(p+2+(n = m->u.clientKeyExchange.key->len) > e)
+ goto Overflow;
+ if(isECDHE(c->cipher))
+ *p++ = n;
+ else if(isDHE(c->cipher) || c->version != SSL3Version)
+ put16(p, n), p += 2;
memmove(p, m->u.clientKeyExchange.key->data, n);
p += n;
break;
case HFinished:
+ if(p+m->u.finished.n > e)
+ goto Overflow;
memmove(p, m->u.finished.verify, m->u.finished.n);
p += m->u.finished.n;
break;
}
// go back and fill in size
- n = p-sendp;
- assert(p <= sendbuf+sizeof(sendbuf));
- put24(sendp+1, n-4);
+ n = p - c->sendp;
+ put24(c->sendp+1, n-4);
// remember hash of Handshake messages
- if(m->tag != HHelloRequest) {
- msgHash(c, sendp, n);
- }
+ if(m->tag != HHelloRequest)
+ msgHash(c, c->sendp, n);
- sendp = p;
+ c->sendp = p;
if(act == AFlush){
- sendp = sendbuf;
- if(write(c->hand, sendbuf, p-sendbuf) < 0){
+ c->sendp = c->buf;
+ if(write(c->hand, c->buf, p - c->buf) < 0){
fprint(2, "write error: %r\n");
goto Err;
}
}
msgClear(m);
return 1;
+Overflow:
+ tlsError(c, EInternalError, "not enougth send buffer for message (%d)", m->tag);
Err:
msgClear(m);
return 0;
@@ -991,34 +1433,27 @@
static uchar*
tlsReadN(TlsConnection *c, int n)
{
- uchar *p;
- int nn, nr;
+ uchar *p, *w, *e;
- nn = c->ep - c->rp;
- if(nn < n){
- if(c->rp != c->buf){
- memmove(c->buf, c->rp, nn);
- c->rp = c->buf;
- c->ep = &c->buf[nn];
- }
- for(; nn < n; nn += nr) {
- nr = read(c->hand, &c->rp[nn], n - nn);
- if(nr <= 0)
- return nil;
- c->ep += nr;
- }
+ e = &c->buf[sizeof(c->buf)];
+ p = e - n;
+ if(n > sizeof(c->buf) || p < c->sendp){
+ tlsError(c, EDecodeError, "handshake message too long %d", n);
+ return nil;
}
- p = c->rp;
- c->rp += n;
+ for(w = p; w < e; w += n)
+ if((n = read(c->hand, w, e - w)) <= 0)
+ return nil;
return p;
}
static int
msgRecv(TlsConnection *c, Msg *m)
{
- uchar *p;
- int type, n, nn, nx, i, nsid, nrandom, nciph;
+ uchar *p, *s;
+ int type, n, nn, i;
+ msgClear(m);
for(;;) {
p = tlsReadN(c, 4);
if(p == nil)
@@ -1034,15 +1469,12 @@
}
}
- if(n > sizeof(c->buf)) {
- tlsError(c, EDecodeError, "handshake message too long %d %d", n, sizeof(c->buf));
- return 0;
- }
-
if(type == HSSL2ClientHello){
/* Cope with an SSL3 ClientHello expressed in SSL2 record format.
This is sent by some clients that we must interoperate
with, such as Java's JSSE and Microsoft's Internet Explorer. */
+ int nsid, nrandom, nciph;
+
p = tlsReadN(c, n);
if(p == nil)
return 0;
@@ -1059,10 +1491,8 @@
p += 6;
n -= 6;
if(nsid != 0 /* no sid's, since shouldn't restart using ssl2 header */
- || nrandom < 16 || nn % 3)
+ || nrandom < 16 || nn % 3 || n - nrandom < nn)
goto Err;
- if(c->trace && (n - nrandom != nn))
- c->trace("n-nrandom!=nn: n=%d nrandom=%d nn=%d\n", n, nrandom, nn);
/* ignore ssl2 ciphers and look for {0x00, ssl3 cipher} */
nciph = 0;
for(i = 0; i < nn; i += 3)
@@ -1083,7 +1513,6 @@
m->u.clientHello.compressors->data[0] = CompressionNull;
goto Ok;
}
-
msgHash(c, p, 4);
p = tlsReadN(c, n);
@@ -1102,14 +1531,12 @@
if(n < 2)
goto Short;
m->u.clientHello.version = get16(p);
- p += 2;
- n -= 2;
+ p += 2, n -= 2;
if(n < RandomSize)
goto Short;
memmove(m->u.clientHello.random, p, RandomSize);
- p += RandomSize;
- n -= RandomSize;
+ p += RandomSize, n -= RandomSize;
if(n < 1 || n < p[0]+1)
goto Short;
m->u.clientHello.sid = makebytes(p+1, p[0]);
@@ -1119,69 +1546,39 @@
if(n < 2)
goto Short;
nn = get16(p);
- p += 2;
- n -= 2;
+ p += 2, n -= 2;
if((nn & 1) || n < nn || nn < 2)
goto Short;
m->u.clientHello.ciphers = newints(nn >> 1);
for(i = 0; i < nn; i += 2)
m->u.clientHello.ciphers->data[i >> 1] = get16(&p[i]);
- p += nn;
- n -= nn;
+ p += nn, n -= nn;
if(n < 1 || n < p[0]+1 || p[0] == 0)
goto Short;
nn = p[0];
- m->u.clientHello.compressors = newbytes(nn);
- memmove(m->u.clientHello.compressors->data, p+1, nn);
- p += nn + 1;
- n -= nn + 1;
+ m->u.clientHello.compressors = makebytes(p+1, nn);
+ p += nn + 1, n -= nn + 1;
- /* extensions */
- if(n == 0)
- break;
if(n < 2)
+ break;
+ nn = get16(p);
+ if(nn > n-2)
goto Short;
- nx = get16(p);
- p += 2;
- n -= 2;
- while(nx > 0){
- if(n < nx || nx < 4)
- goto Short;
- i = get16(p);
- nn = get16(p+2);
- if(nx < nn+4)
- goto Short;
- nx -= nn+4;
- p += 4;
- n -= 4;
- if(i == ExtSigalgs){
- if(get16(p) != nn-2)
- goto Short;
- p += 2;
- n -= 2;
- nn -= 2;
- m->u.clientHello.sigAlgs = newints(nn/2);
- for(i = 0; i < nn; i += 2)
- m->u.clientHello.sigAlgs->data[i >> 1] = get16(&p[i]);
- }
- p += nn;
- n -= nn;
- }
+ m->u.clientHello.extensions = makebytes(p+2, nn);
+ n -= nn + 2;
break;
case HServerHello:
if(n < 2)
goto Short;
m->u.serverHello.version = get16(p);
- p += 2;
- n -= 2;
+ p += 2, n -= 2;
if(n < RandomSize)
goto Short;
memmove(m->u.serverHello.random, p, RandomSize);
- p += RandomSize;
- n -= RandomSize;
+ p += RandomSize, n -= RandomSize;
if(n < 1 || n < p[0]+1)
goto Short;
@@ -1193,15 +1590,22 @@
goto Short;
m->u.serverHello.cipher = get16(p);
m->u.serverHello.compressor = p[2];
- n -= 3;
+ p += 3, n -= 3;
+
+ if(n < 2)
+ break;
+ nn = get16(p);
+ if(nn > n-2)
+ goto Short;
+ m->u.serverHello.extensions = makebytes(p+2, nn);
+ n -= nn + 2;
break;
case HCertificate:
if(n < 3)
goto Short;
nn = get24(p);
- p += 3;
- n -= 3;
- if(n != nn)
+ p += 3, n -= 3;
+ if(nn == 0 && n > 0)
goto Short;
/* certs */
i = 0;
@@ -1209,15 +1613,13 @@
if(n < 3)
goto Short;
nn = get24(p);
- p += 3;
- n -= 3;
+ p += 3, n -= 3;
if(nn > n)
goto Short;
m->u.certificate.ncert = i+1;
- m->u.certificate.certs = erealloc(m->u.certificate.certs, (i+1)*sizeof(Bytes));
+ m->u.certificate.certs = erealloc(m->u.certificate.certs, (i+1)*sizeof(Bytes*));
m->u.certificate.certs[i] = makebytes(p, nn);
- p += nn;
- n -= nn;
+ p += nn, n -= nn;
i++;
}
break;
@@ -1225,18 +1627,28 @@
if(n < 1)
goto Short;
nn = p[0];
- p += 1;
- n -= 1;
- if(nn < 1 || nn > n)
+ p++, n--;
+ if(nn > n)
goto Short;
m->u.certificateRequest.types = makebytes(p, nn);
- p += nn;
- n -= nn;
+ p += nn, n -= nn;
+ if(c->version >= TLS12Version){
+ if(n < 2)
+ goto Short;
+ nn = get16(p);
+ p += 2, n -= 2;
+ if(nn & 1)
+ goto Short;
+ m->u.certificateRequest.sigalgs = newints(nn>>1);
+ for(i = 0; i < nn; i += 2)
+ m->u.certificateRequest.sigalgs->data[i >> 1] = get16(&p[i]);
+ p += nn, n -= nn;
+
+ }
if(n < 2)
goto Short;
nn = get16(p);
- p += 2;
- n -= 2;
+ p += 2, n -= 2;
/* nn == 0 can happen; yahoo's servers do it */
if(nn != n)
goto Short;
@@ -1246,35 +1658,116 @@
if(n < 2)
goto Short;
nn = get16(p);
- p += 2;
- n -= 2;
+ p += 2, n -= 2;
if(nn < 1 || nn > n)
goto Short;
m->u.certificateRequest.nca = i+1;
m->u.certificateRequest.cas = erealloc(
- m->u.certificateRequest.cas, (i+1)*sizeof(Bytes));
+ m->u.certificateRequest.cas, (i+1)*sizeof(Bytes*));
m->u.certificateRequest.cas[i] = makebytes(p, nn);
- p += nn;
- n -= nn;
+ p += nn, n -= nn;
i++;
}
break;
case HServerHelloDone:
break;
+ case HServerKeyExchange:
+ if(isPSK(c->cipher)){
+ if(n < 2)
+ goto Short;
+ nn = get16(p);
+ p += 2, n -= 2;
+ if(nn > n)
+ goto Short;
+ m->u.serverKeyExchange.pskid = makebytes(p, nn);
+ p += nn, n -= nn;
+ if(n == 0)
+ break;
+ }
+ if(n < 2)
+ goto Short;
+ s = p;
+ if(isECDHE(c->cipher)){
+ nn = *p;
+ p++, n--;
+ if(nn != 3 || nn > n) /* not a named curve */
+ goto Short;
+ nn = get16(p);
+ p += 2, n -= 2;
+ m->u.serverKeyExchange.curve = nn;
+
+ nn = *p++, n--;
+ if(nn < 1 || nn > n)
+ goto Short;
+ m->u.serverKeyExchange.dh_Ys = makebytes(p, nn);
+ p += nn, n -= nn;
+ }else if(isDHE(c->cipher)){
+ nn = get16(p);
+ p += 2, n -= 2;
+ if(nn < 1 || nn > n)
+ goto Short;
+ m->u.serverKeyExchange.dh_p = makebytes(p, nn);
+ p += nn, n -= nn;
+
+ if(n < 2)
+ goto Short;
+ nn = get16(p);
+ p += 2, n -= 2;
+ if(nn < 1 || nn > n)
+ goto Short;
+ m->u.serverKeyExchange.dh_g = makebytes(p, nn);
+ p += nn, n -= nn;
+
+ if(n < 2)
+ goto Short;
+ nn = get16(p);
+ p += 2, n -= 2;
+ if(nn < 1 || nn > n)
+ goto Short;
+ m->u.serverKeyExchange.dh_Ys = makebytes(p, nn);
+ p += nn, n -= nn;
+ } else {
+ /* should not happen */
+ goto Short;
+ }
+ m->u.serverKeyExchange.dh_parameters = makebytes(s, p - s);
+ if(n >= 2){
+ m->u.serverKeyExchange.sigalg = 0;
+ if(c->version >= TLS12Version){
+ m->u.serverKeyExchange.sigalg = get16(p);
+ p += 2, n -= 2;
+ if(n < 2)
+ goto Short;
+ }
+ nn = get16(p);
+ p += 2, n -= 2;
+ if(nn > 0 && nn <= n){
+ m->u.serverKeyExchange.dh_signature = makebytes(p, nn);
+ n -= nn;
+ }
+ }
+ break;
case HClientKeyExchange:
- /*
- * this message depends upon the encryption selected
- * assume rsa.
- */
- if(c->version == SSL3Version)
- nn = n;
- else{
+ if(isPSK(c->cipher)){
if(n < 2)
goto Short;
nn = get16(p);
- p += 2;
- n -= 2;
+ p += 2, n -= 2;
+ if(nn > n)
+ goto Short;
+ m->u.clientKeyExchange.pskid = makebytes(p, nn);
+ p += nn, n -= nn;
+ if(n == 0)
+ break;
}
+ if(n < 2)
+ goto Short;
+ if(isECDHE(c->cipher))
+ nn = *p++, n--;
+ else if(isDHE(c->cipher) || c->version != SSL3Version)
+ nn = get16(p), p += 2, n -= 2;
+ else
+ nn = n;
if(n < nn)
goto Short;
m->u.clientKeyExchange.key = makebytes(p, nn);
@@ -1289,18 +1782,14 @@
break;
}
- if(type != HClientHello && n != 0)
+ if(n != 0 && type != HClientHello && type != HServerHello)
goto Short;
Ok:
- if(c->trace){
- char *buf;
- buf = emalloc(8000);
- c->trace("recv %s", msgPrint(buf, 8000, m));
- free(buf);
- }
+ if(c->trace)
+ c->trace("recv %s", msgPrint((char*)c->sendp, &c->buf[sizeof(c->buf)] - c->sendp, m));
return 1;
Short:
- tlsError(c, EDecodeError, "handshake message has invalid length");
+ tlsError(c, EDecodeError, "handshake message (%d) has invalid length", type);
Err:
msgClear(m);
return 0;
@@ -1312,19 +1801,17 @@
int i;
switch(m->tag) {
- default:
- sysfatal("msgClear: unknown message type: %d", m->tag);
case HHelloRequest:
break;
case HClientHello:
freebytes(m->u.clientHello.sid);
freeints(m->u.clientHello.ciphers);
- m->u.clientHello.ciphers = nil;
freebytes(m->u.clientHello.compressors);
- freeints(m->u.clientHello.sigAlgs);
+ freebytes(m->u.clientHello.extensions);
break;
case HServerHello:
- freebytes(m->u.clientHello.sid);
+ freebytes(m->u.serverHello.sid);
+ freebytes(m->u.serverHello.extensions);
break;
case HCertificate:
for(i=0; i<m->u.certificate.ncert; i++)
@@ -1333,13 +1820,26 @@
break;
case HCertificateRequest:
freebytes(m->u.certificateRequest.types);
+ freeints(m->u.certificateRequest.sigalgs);
for(i=0; i<m->u.certificateRequest.nca; i++)
freebytes(m->u.certificateRequest.cas[i]);
free(m->u.certificateRequest.cas);
break;
+ case HCertificateVerify:
+ freebytes(m->u.certificateVerify.signature);
+ break;
case HServerHelloDone:
break;
+ case HServerKeyExchange:
+ freebytes(m->u.serverKeyExchange.pskid);
+ freebytes(m->u.serverKeyExchange.dh_p);
+ freebytes(m->u.serverKeyExchange.dh_g);
+ freebytes(m->u.serverKeyExchange.dh_Ys);
+ freebytes(m->u.serverKeyExchange.dh_parameters);
+ freebytes(m->u.serverKeyExchange.dh_signature);
+ break;
case HClientKeyExchange:
+ freebytes(m->u.clientKeyExchange.pskid);
freebytes(m->u.clientKeyExchange.key);
break;
case HFinished:
@@ -1355,13 +1855,14 @@
if(s0)
bs = seprint(bs, be, "%s", s0);
- bs = seprint(bs, be, "[");
if(b == nil)
bs = seprint(bs, be, "nil");
- else
+ else {
+ bs = seprint(bs, be, "<%d> [ ", b->len);
for(i=0; i<b->len; i++)
bs = seprint(bs, be, "%.2x ", b->data[i]);
- bs = seprint(bs, be, "]");
+ bs = seprint(bs, be, "]");
+ }
if(s1)
bs = seprint(bs, be, "%s", s1);
return bs;
@@ -1374,13 +1875,14 @@
if(s0)
bs = seprint(bs, be, "%s", s0);
- bs = seprint(bs, be, "[");
if(b == nil)
bs = seprint(bs, be, "nil");
- else
+ else {
+ bs = seprint(bs, be, "[ ");
for(i=0; i<b->len; i++)
bs = seprint(bs, be, "%x ", b->data[i]);
- bs = seprint(bs, be, "]");
+ bs = seprint(bs, be, "]");
+ }
if(s1)
bs = seprint(bs, be, "%s", s1);
return bs;
@@ -1406,8 +1908,8 @@
bs = bytesPrint(bs, be, "\tsid: ", m->u.clientHello.sid, "\n");
bs = intsPrint(bs, be, "\tciphers: ", m->u.clientHello.ciphers, "\n");
bs = bytesPrint(bs, be, "\tcompressors: ", m->u.clientHello.compressors, "\n");
- if(m->u.clientHello.sigAlgs != nil)
- bs = intsPrint(bs, be, "\tsigAlgs: ", m->u.clientHello.sigAlgs, "\n");
+ if(m->u.clientHello.extensions != nil)
+ bs = bytesPrint(bs, be, "\textensions: ", m->u.clientHello.extensions, "\n");
break;
case HServerHello:
bs = seprint(bs, be, "ServerHello\n");
@@ -1419,6 +1921,8 @@
bs = bytesPrint(bs, be, "\tsid: ", m->u.serverHello.sid, "\n");
bs = seprint(bs, be, "\tcipher: %.4x\n", m->u.serverHello.cipher);
bs = seprint(bs, be, "\tcompressor: %.2x\n", m->u.serverHello.compressor);
+ if(m->u.serverHello.extensions != nil)
+ bs = bytesPrint(bs, be, "\textensions: ", m->u.serverHello.extensions, "\n");
break;
case HCertificate:
bs = seprint(bs, be, "Certificate\n");
@@ -1428,16 +1932,45 @@
case HCertificateRequest:
bs = seprint(bs, be, "CertificateRequest\n");
bs = bytesPrint(bs, be, "\ttypes: ", m->u.certificateRequest.types, "\n");
+ if(m->u.certificateRequest.sigalgs != nil)
+ bs = intsPrint(bs, be, "\tsigalgs: ", m->u.certificateRequest.sigalgs, "\n");
bs = seprint(bs, be, "\tcertificateauthorities\n");
for(i=0; i<m->u.certificateRequest.nca; i++)
bs = bytesPrint(bs, be, "\t\t", m->u.certificateRequest.cas[i], "\n");
break;
+ case HCertificateVerify:
+ bs = seprint(bs, be, "HCertificateVerify\n");
+ if(m->u.certificateVerify.sigalg != 0)
+ bs = seprint(bs, be, "\tsigalg: %.4x\n", m->u.certificateVerify.sigalg);
+ bs = bytesPrint(bs, be, "\tsignature: ", m->u.certificateVerify.signature,"\n");
+ break;
case HServerHelloDone:
bs = seprint(bs, be, "ServerHelloDone\n");
break;
+ case HServerKeyExchange:
+ bs = seprint(bs, be, "HServerKeyExchange\n");
+ if(m->u.serverKeyExchange.pskid != nil)
+ bs = bytesPrint(bs, be, "\tpskid: ", m->u.serverKeyExchange.pskid, "\n");
+ if(m->u.serverKeyExchange.dh_parameters == nil)
+ break;
+ if(m->u.serverKeyExchange.curve != 0){
+ bs = seprint(bs, be, "\tcurve: %.4x\n", m->u.serverKeyExchange.curve);
+ } else {
+ bs = bytesPrint(bs, be, "\tdh_p: ", m->u.serverKeyExchange.dh_p, "\n");
+ bs = bytesPrint(bs, be, "\tdh_g: ", m->u.serverKeyExchange.dh_g, "\n");
+ }
+ bs = bytesPrint(bs, be, "\tdh_Ys: ", m->u.serverKeyExchange.dh_Ys, "\n");
+ if(m->u.serverKeyExchange.sigalg != 0)
+ bs = seprint(bs, be, "\tsigalg: %.4x\n", m->u.serverKeyExchange.sigalg);
+ bs = bytesPrint(bs, be, "\tdh_parameters: ", m->u.serverKeyExchange.dh_parameters, "\n");
+ bs = bytesPrint(bs, be, "\tdh_signature: ", m->u.serverKeyExchange.dh_signature, "\n");
+ break;
case HClientKeyExchange:
bs = seprint(bs, be, "HClientKeyExchange\n");
- bs = bytesPrint(bs, be, "\tkey: ", m->u.clientKeyExchange.key, "\n");
+ if(m->u.clientKeyExchange.pskid != nil)
+ bs = bytesPrint(bs, be, "\tpskid: ", m->u.clientKeyExchange.pskid, "\n");
+ if(m->u.clientKeyExchange.key != nil)
+ bs = bytesPrint(bs, be, "\tkey: ", m->u.clientKeyExchange.key, "\n");
break;
case HFinished:
bs = seprint(bs, be, "HFinished\n");
@@ -1461,10 +1994,10 @@
va_end(arg);
if(c->trace)
c->trace("tlsError: %s\n", msg);
- else if(c->erred)
+ if(c->erred)
fprint(2, "double error: %r, %s", msg);
else
- werrstr("tls: local %s", msg);
+ errstr(msg, sizeof(msg));
c->erred = 1;
fprint(c->ctl, "alert %d", err);
}
@@ -1473,24 +2006,17 @@
static int
setVersion(TlsConnection *c, int version)
{
- if(c->verset || version > MaxProtoVersion || version < MinProtoVersion)
+ if(version > MaxProtoVersion || version < MinProtoVersion)
return -1;
if(version > c->version)
version = c->version;
- switch(version) {
- case SSL3Version:
+ if(version == SSL3Version) {
+ c->version = version;
c->finished.n = SSL3FinishedLen;
- return -1;
- case TLS10Version:
- case TLS11Version:
- case TLS12Version:
+ }else {
+ c->version = version;
c->finished.n = TLSFinishedLen;
- break;
- default:
- return -1;
}
- c->version = version;
- c->verset = 1;
return fprint(c->ctl, "version 0x%x", version);
}
@@ -1498,7 +2024,7 @@
static int
finishedMatch(TlsConnection *c, Finished *f)
{
- return memcmp(f->verify, c->finished.verify, f->n) == 0;
+ return tsmemcmp(f->verify, c->finished.verify, f->n) == 0;
}
// free memory associated with TlsConnection struct
@@ -1506,47 +2032,89 @@
static void
tlsConnectionFree(TlsConnection *c)
{
- tlsSecClose(c->sec);
- freebytes(c->sid);
+ if(c == nil)
+ return;
+
+ dh_finish(&c->sec->dh, nil);
+
+ mpfree(c->sec->ec.Q.x);
+ mpfree(c->sec->ec.Q.y);
+ mpfree(c->sec->ec.Q.d);
+ ecdomfree(&c->sec->ec.dom);
+
+ factotum_rsa_close(c->sec->rpc);
+ rsapubfree(c->sec->rsapub);
freebytes(c->cert);
- memset(c, 0, sizeof *c);
+
+ memset(c, 0, sizeof(*c));
free(c);
}
//================= cipher choices ========================
-static int weakCipher[CipherMax] =
+static int
+isDHE(int tlsid)
+{
+ switch(tlsid){
+ case TLS_DHE_RSA_WITH_AES_128_GCM_SHA256:
+ case TLS_DHE_RSA_WITH_AES_128_CBC_SHA256:
+ case TLS_DHE_RSA_WITH_AES_128_CBC_SHA:
+ case TLS_DHE_RSA_WITH_AES_256_CBC_SHA:
+ case TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA:
+ case TLS_DHE_RSA_WITH_CHACHA20_POLY1305:
+ case GOOGLE_DHE_RSA_WITH_CHACHA20_POLY1305:
+ return 1;
+ }
+ return 0;
+}
+
+static int
+isECDHE(int tlsid)
{
- 1, /* TLS_NULL_WITH_NULL_NULL */
- 1, /* TLS_RSA_WITH_NULL_MD5 */
- 1, /* TLS_RSA_WITH_NULL_SHA */
- 1, /* TLS_RSA_EXPORT_WITH_RC4_40_MD5 */
- 1, /* TLS_RSA_WITH_RC4_128_MD5 */
- 1, /* TLS_RSA_WITH_RC4_128_SHA */
- 1, /* TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5 */
- 0, /* TLS_RSA_WITH_IDEA_CBC_SHA */
- 1, /* TLS_RSA_EXPORT_WITH_DES40_CBC_SHA */
- 0, /* TLS_RSA_WITH_DES_CBC_SHA */
- 0, /* TLS_RSA_WITH_3DES_EDE_CBC_SHA */
- 1, /* TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA */
- 0, /* TLS_DH_DSS_WITH_DES_CBC_SHA */
- 0, /* TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA */
- 1, /* TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA */
- 0, /* TLS_DH_RSA_WITH_DES_CBC_SHA */
- 0, /* TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA */
- 1, /* TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA */
- 0, /* TLS_DHE_DSS_WITH_DES_CBC_SHA */
- 0, /* TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA */
- 1, /* TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA */
- 0, /* TLS_DHE_RSA_WITH_DES_CBC_SHA */
- 0, /* TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA */
- 1, /* TLS_DH_anon_EXPORT_WITH_RC4_40_MD5 */
- 1, /* TLS_DH_anon_WITH_RC4_128_MD5 */
- 1, /* TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA */
- 1, /* TLS_DH_anon_WITH_DES_CBC_SHA */
- 1, /* TLS_DH_anon_WITH_3DES_EDE_CBC_SHA */
-};
+ switch(tlsid){
+ case TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305:
+ case TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305:
+
+ case GOOGLE_ECDHE_ECDSA_WITH_CHACHA20_POLY1305:
+ case GOOGLE_ECDHE_RSA_WITH_CHACHA20_POLY1305:
+
+ case TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:
+ case TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256:
+
+ case TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256:
+ case TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256:
+ case TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA:
+ case TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA:
+ return 1;
+ }
+ return 0;
+}
+
+static int
+isPSK(int tlsid)
+{
+ switch(tlsid){
+ case TLS_PSK_WITH_CHACHA20_POLY1305:
+ case TLS_PSK_WITH_AES_128_CBC_SHA256:
+ case TLS_PSK_WITH_AES_128_CBC_SHA:
+ return 1;
+ }
+ return 0;
+}
+
+static int
+isECDSA(int tlsid)
+{
+ switch(tlsid){
+ case TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305:
+ case GOOGLE_ECDHE_ECDSA_WITH_CHACHA20_POLY1305:
+ case TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:
+ case TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256:
+ return 1;
+ }
+ return 0;
+}
static int
setAlgs(TlsConnection *c, int a)
@@ -1555,6 +2123,7 @@
for(i = 0; i < nelem(cipherAlgs); i++){
if(cipherAlgs[i].tlsid == a){
+ c->cipher = a;
c->enc = cipherAlgs[i].enc;
c->digest = cipherAlgs[i].digest;
c->nsecret = cipherAlgs[i].nsecret;
@@ -1567,37 +2136,29 @@
}
static int
-okCipher(Ints *cv)
+okCipher(Ints *cv, int ispsk)
{
- int weak, i, j, c;
+ int i, c;
- weak = 1;
- for(i = 0; i < cv->len; i++) {
- c = cv->data[i];
- if(c >= CipherMax)
- weak = 0;
- else
- weak &= weakCipher[c];
- for(j = 0; j < nelem(cipherAlgs); j++)
- if(cipherAlgs[j].ok && cipherAlgs[j].tlsid == c)
- return c;
+ for(i = 0; i < nelem(cipherAlgs); i++) {
+ c = cipherAlgs[i].tlsid;
+ if(!cipherAlgs[i].ok || isECDSA(c) || isDHE(c) || isPSK(c) != ispsk)
+ continue;
+ if(lookupid(cv, c) >= 0)
+ return c;
}
- if(weak)
- return -2;
return -1;
}
static int
okCompression(Bytes *cv)
{
- int i, j, c;
+ int i, c;
- for(i = 0; i < cv->len; i++) {
- c = cv->data[i];
- for(j = 0; j < nelem(compressors); j++) {
- if(compressors[j] == c)
- return c;
- }
+ for(i = 0; i < nelem(compressors); i++) {
+ c = compressors[i];
+ if(memchr(cv->data, c, cv->len) != nil)
+ return c;
}
return -1;
}
@@ -1617,18 +2178,16 @@
unlock(&ciphLock);
return nciphers;
}
- j = open("#a/tls/encalgs", OREAD);
+ j = open("#a/tls/encalgs", OREAD|OCEXEC);
if(j < 0){
werrstr("can't open #a/tls/encalgs: %r");
- unlock(&ciphLock);
- return 0;
+ goto out;
}
n = read(j, s, MaxAlgF-1);
close(j);
if(n <= 0){
werrstr("nothing in #a/tls/encalgs: %r");
- unlock(&ciphLock);
- return 0;
+ goto out;
}
s[n] = 0;
n = getfields(s, flds, MaxAlgs, 1, " \t\r\n");
@@ -1643,18 +2202,16 @@
cipherAlgs[i].ok = ok;
}
- j = open("#a/tls/hashalgs", OREAD);
+ j = open("#a/tls/hashalgs", OREAD|OCEXEC);
if(j < 0){
werrstr("can't open #a/tls/hashalgs: %r");
- unlock(&ciphLock);
- return 0;
+ goto out;
}
n = read(j, s, MaxAlgF-1);
close(j);
if(n <= 0){
werrstr("nothing in #a/tls/hashalgs: %r");
- unlock(&ciphLock);
- return 0;
+ goto out;
}
s[n] = 0;
n = getfields(s, flds, MaxAlgs, 1, " \t\r\n");
@@ -1670,70 +2227,61 @@
if(cipherAlgs[i].ok)
nciphers++;
}
+out:
unlock(&ciphLock);
return nciphers;
}
static Ints*
-makeciphers(void)
+makeciphers(int ispsk)
{
Ints *is;
int i, j;
is = newints(nciphers);
j = 0;
- for(i = 0; i < nelem(cipherAlgs); i++){
- if(cipherAlgs[i].ok)
+ for(i = 0; i < nelem(cipherAlgs); i++)
+ if(cipherAlgs[i].ok && isPSK(cipherAlgs[i].tlsid) == ispsk)
is->data[j++] = cipherAlgs[i].tlsid;
- }
+ is->len = j;
return is;
}
-
//================= security functions ========================
-// given X.509 certificate, set up connection to factotum
-// for using corresponding private key
+// given a public key, set up connection to factotum
+// for using corresponding private key
static AuthRpc*
-factotum_rsa_open(uchar *cert, int certlen)
+factotum_rsa_open(RSApub *rsapub)
{
int afd;
char *s;
- mpint *pub = nil;
- RSApub *rsapub;
+ mpint *n;
AuthRpc *rpc;
// start talking to factotum
- if((afd = open("/mnt/factotum/rpc", ORDWR)) < 0)
+ if((afd = open("/mnt/factotum/rpc", ORDWR|OCEXEC)) < 0)
return nil;
if((rpc = auth_allocrpc(afd)) == nil){
close(afd);
return nil;
}
s = "proto=rsa service=tls role=client";
- if(auth_rpc(rpc, "start", s, strlen(s)) != ARok){
- factotum_rsa_close(rpc);
- return nil;
- }
-
- // roll factotum keyring around to match certificate
- rsapub = X509toRSApub(cert, certlen, nil, 0);
- while(1){
- if(auth_rpc(rpc, "read", nil, 0) != ARok){
- factotum_rsa_close(rpc);
- rpc = nil;
- goto done;
- }
- pub = strtomp(rpc->arg, nil, 16, nil);
- assert(pub != nil);
- if(mpcmp(pub,rsapub->n) == 0)
- break;
+ if(auth_rpc(rpc, "start", s, strlen(s)) == ARok){
+ // roll factotum keyring around to match public key
+ n = mpnew(0);
+ while(auth_rpc(rpc, "read", nil, 0) == ARok){
+ if(strtomp(rpc->arg, nil, 16, n) != nil
+ && mpcmp(n, rsapub->n) == 0){
+ mpfree(n);
+ return rpc;
+ }
+ }
+ mpfree(n);
}
-done:
- mpfree(pub);
- rsapubfree(rsapub);
- return rpc;
+ factotum_rsa_close(rpc);
+ return nil;
}
static mpint*
@@ -1742,20 +2290,23 @@
char *p;
int rv;
- if((p = mptoa(cipher, 16, nil, 0)) == nil)
+ if(cipher == nil)
+ return nil;
+ p = mptoa(cipher, 16, nil, 0);
+ mpfree(cipher);
+ if(p == nil)
return nil;
rv = auth_rpc(rpc, "write", p, strlen(p));
free(p);
if(rv != ARok || auth_rpc(rpc, "read", nil, 0) != ARok)
return nil;
- mpfree(cipher);
return strtomp(rpc->arg, nil, 16, nil);
}
static void
-factotum_rsa_close(AuthRpc*rpc)
+factotum_rsa_close(AuthRpc *rpc)
{
- if(!rpc)
+ if(rpc == nil)
return;
close(rpc->afd);
auth_freerpc(rpc);
@@ -1820,11 +2371,11 @@
}
static void
-tlsPsha2_256(uchar *buf, int nbuf, uchar *key, int nkey, uchar *label, int nlabel, uchar *seed, int nseed)
+p_sha256(uchar *buf, int nbuf, uchar *key, int nkey, uchar *label, int nlabel, uchar *seed, int nseed)
{
uchar ai[SHA2_256dlen], tmp[SHA2_256dlen];
- int n;
SHAstate *s;
+ int n;
// generate a1
s = hmac_sha2_256(label, nlabel, key, nkey, nil, nil);
@@ -1847,517 +2398,473 @@
// fill buf with md5(args)^sha1(args)
static void
-tlsPRF(uchar *buf, int nbuf, uchar *key, int nkey, char *label, uchar *seed0, int nseed0, uchar *seed1, int nseed1)
+tls10PRF(uchar *buf, int nbuf, uchar *key, int nkey, char *label, uchar *seed0, int nseed0, uchar *seed1, int nseed1)
{
- int i;
int nlabel = strlen(label);
int n = (nkey + 1) >> 1;
- for(i = 0; i < nbuf; i++)
- buf[i] = 0;
+ memset(buf, 0, nbuf);
tlsPmd5(buf, nbuf, key, n, (uchar*)label, nlabel, seed0, nseed0, seed1, nseed1);
tlsPsha1(buf, nbuf, key+nkey-n, n, (uchar*)label, nlabel, seed0, nseed0, seed1, nseed1);
}
-void
+static void
tls12PRF(uchar *buf, int nbuf, uchar *key, int nkey, char *label, uchar *seed0, int nseed0, uchar *seed1, int nseed1)
{
uchar seed[2*RandomSize];
- int nlabel = strlen(label);
+ assert(nseed0+nseed1 <= sizeof(seed));
memmove(seed, seed0, nseed0);
memmove(seed+nseed0, seed1, nseed1);
- tlsPsha2_256(buf, nbuf, key, nkey, (uchar*)label, nlabel, seed, nseed0+nseed1);
+ p_sha256(buf, nbuf, key, nkey, (uchar*)label, strlen(label), seed, nseed0+nseed1);
}
-/*
- * for setting server session id's
- */
-static Lock sidLock;
-static long maxSid = 1;
-
-/* the keys are verified to have the same public components
- * and to function correctly with pkcs 1 encryption and decryption. */
-static TlsSec*
-tlsSecInits(int cvers, uchar *csid, int ncsid, uchar *crandom, uchar *ssid, int *nssid, uchar *srandom)
+static void
+sslPRF(uchar *buf, int nbuf, uchar *key, int nkey, char *label, uchar *seed0, int nseed0, uchar *seed1, int nseed1)
{
- TlsSec *sec = emalloc(sizeof(*sec));
-
- USED(csid); USED(ncsid); // ignore csid for now
-
- memmove(sec->crandom, crandom, RandomSize);
- sec->clientVers = cvers;
-
- put32(sec->srandom, time(0));
- genrandom(sec->srandom+4, RandomSize-4);
- memmove(srandom, sec->srandom, RandomSize);
-
- /*
- * make up a unique sid: use our pid, and and incrementing id
- * can signal no sid by setting nssid to 0.
- */
- memset(ssid, 0, SidSize);
- put32(ssid, getpid());
- lock(&sidLock);
- put32(ssid+4, maxSid++);
- unlock(&sidLock);
- *nssid = SidSize;
- return sec;
-}
+ uchar sha1dig[SHA1dlen], md5dig[MD5dlen], tmp[26];
+ DigestState *s;
+ int i, n, len;
-static int
-tlsSecSecrets(TlsSec *sec, int vers, uchar *epm, int nepm, uchar *kd, int nkd)
-{
- if(epm != nil){
- if(setVers(sec, vers) < 0)
- goto Err;
- serverMasterSecret(sec, epm, nepm);
- }else if(sec->vers != vers){
- werrstr("mismatched session versions");
- goto Err;
+ USED(label);
+ len = 1;
+ while(nbuf > 0){
+ if(len > 26)
+ return;
+ for(i = 0; i < len; i++)
+ tmp[i] = 'A' - 1 + len;
+ s = sha1(tmp, len, nil, nil);
+ s = sha1(key, nkey, nil, s);
+ s = sha1(seed0, nseed0, nil, s);
+ sha1(seed1, nseed1, sha1dig, s);
+ s = md5(key, nkey, nil, nil);
+ md5(sha1dig, SHA1dlen, md5dig, s);
+ n = MD5dlen;
+ if(n > nbuf)
+ n = nbuf;
+ memmove(buf, md5dig, n);
+ buf += n;
+ nbuf -= n;
+ len++;
}
- setSecrets(sec, kd, nkd);
- return 0;
-Err:
- sec->ok = -1;
- return -1;
-}
-
-static TlsSec*
-tlsSecInitc(int cvers, uchar *crandom)
-{
- TlsSec *sec = emalloc(sizeof(*sec));
- sec->clientVers = cvers;
- put32(sec->crandom, time(0));
- genrandom(sec->crandom+4, RandomSize-4);
- memmove(crandom, sec->crandom, RandomSize);
- return sec;
}
-static int
-tlsSecSecretc(TlsSec *sec, uchar *sid, int nsid, uchar *srandom, uchar *cert, int ncert, int vers, uchar **epm, int *nepm, uchar *kd, int nkd)
+static void
+sslSetFinished(TlsSec *sec, HandshakeHash hsh, uchar *finished, int isclient)
{
- RSApub *pub;
-
- pub = nil;
-
- USED(sid);
- USED(nsid);
-
- memmove(sec->srandom, srandom, RandomSize);
-
- if(setVers(sec, vers) < 0)
- goto Err;
+ DigestState *s;
+ uchar h0[MD5dlen], h1[SHA1dlen], pad[48];
+ char *label;
- pub = X509toRSApub(cert, ncert, nil, 0);
- if(pub == nil){
- werrstr("invalid x509/rsa certificate");
- goto Err;
- }
- if(clientMasterSecret(sec, pub, epm, nepm) < 0)
- goto Err;
- rsapubfree(pub);
- setSecrets(sec, kd, nkd);
- return 0;
+ if(isclient)
+ label = "CLNT";
+ else
+ label = "SRVR";
-Err:
- if(pub != nil)
- rsapubfree(pub);
- sec->ok = -1;
- return -1;
-}
+ md5((uchar*)label, 4, nil, &hsh.md5);
+ md5(sec->sec, MasterSecretSize, nil, &hsh.md5);
+ memset(pad, 0x36, 48);
+ md5(pad, 48, nil, &hsh.md5);
+ md5(nil, 0, h0, &hsh.md5);
+ memset(pad, 0x5C, 48);
+ s = md5(sec->sec, MasterSecretSize, nil, nil);
+ s = md5(pad, 48, nil, s);
+ md5(h0, MD5dlen, finished, s);
-static int
-tlsSecFinished(TlsSec *sec, HandHash hs, uchar *fin, int nfin, int isclient)
-{
- if(sec->nfin != nfin){
- sec->ok = -1;
- werrstr("invalid finished exchange");
- return -1;
- }
- hs.md5.malloced = 0;
- hs.sha1.malloced = 0;
- if(sec->setFinished == nil ){
- sec->ok = -1;
- werrstr("nil sec->setFinished in tlsSecFinished");
- return -1;
- }
- (*sec->setFinished)(sec, hs, fin, isclient);
- return 1;
+ sha1((uchar*)label, 4, nil, &hsh.sha1);
+ sha1(sec->sec, MasterSecretSize, nil, &hsh.sha1);
+ memset(pad, 0x36, 40);
+ sha1(pad, 40, nil, &hsh.sha1);
+ sha1(nil, 0, h1, &hsh.sha1);
+ memset(pad, 0x5C, 40);
+ s = sha1(sec->sec, MasterSecretSize, nil, nil);
+ s = sha1(pad, 40, nil, s);
+ sha1(h1, SHA1dlen, finished + MD5dlen, s);
}
+// fill "finished" arg with md5(args)^sha1(args)
static void
-tlsSecOk(TlsSec *sec)
+tls10SetFinished(TlsSec *sec, HandshakeHash hsh, uchar *finished, int isclient)
{
- if(sec->ok == 0)
- sec->ok = 1;
-}
+ uchar h0[MD5dlen], h1[SHA1dlen];
+ char *label;
-static void
-tlsSecKill(TlsSec *sec)
-{
- if(!sec)
- return;
- factotum_rsa_close(sec->rpc);
- sec->ok = -1;
+ // get current hash value, but allow further messages to be hashed in
+ md5(nil, 0, h0, &hsh.md5);
+ sha1(nil, 0, h1, &hsh.sha1);
+
+ if(isclient)
+ label = "client finished";
+ else
+ label = "server finished";
+ tls10PRF(finished, TLSFinishedLen, sec->sec, MasterSecretSize, label, h0, MD5dlen, h1, SHA1dlen);
}
static void
-tlsSecClose(TlsSec *sec)
+tls12SetFinished(TlsSec *sec, HandshakeHash hsh, uchar *finished, int isclient)
{
- if(!sec)
- return;
- factotum_rsa_close(sec->rpc);
- free(sec->server);
- free(sec);
-}
+ uchar seed[SHA2_256dlen];
+ char *label;
-static int
-setVers(TlsSec *sec, int v)
-{
- switch(v){
- case SSL3Version:
- sec->setFinished = sslSetFinished;
- sec->nfin = SSL3FinishedLen;
- sec->prf = sslPRF;
- break;
- case TLS10Version:
- case TLS11Version:
- sec->setFinished = tlsSetFinished;
- sec->nfin = TLSFinishedLen;
- sec->prf = tlsPRF;
- break;
- case TLS12Version:
- sec->setFinished = tls12SetFinished;
- sec->nfin = TLSFinishedLen;
- sec->prf = tls12PRF;
- break;
- default:
- werrstr("invalid version");
- sec->setFinished = nil;
- sec->prf = nil;
- return -1;
- }
- sec->vers = v;
- return 0;
-}
+ // get current hash value, but allow further messages to be hashed in
+ sha2_256(nil, 0, seed, &hsh.sha2_256);
-/*
- * generate secret keys from the master secret.
- *
- * different crypto selections will require different amounts
- * of key expansion and use of key expansion data,
- * but it's all generated using the same function.
- */
-static void
-setSecrets(TlsSec *sec, uchar *kd, int nkd)
-{
- if (sec->prf == nil) {
- werrstr("nil sec->prf in setSecrets");
- return;
- }
- (*sec->prf)(kd, nkd, sec->sec, MasterSecretSize, "key expansion",
- sec->srandom, RandomSize, sec->crandom, RandomSize);
+ if(isclient)
+ label = "client finished";
+ else
+ label = "server finished";
+ p_sha256(finished, TLSFinishedLen, sec->sec, MasterSecretSize, (uchar*)label, strlen(label), seed, SHA2_256dlen);
}
-/*
- * set the master secret from the pre-master secret.
- */
static void
-setMasterSecret(TlsSec *sec, Bytes *pm)
+tlsSecInits(TlsSec *sec, int cvers, uchar *crandom)
{
- (*sec->prf)(sec->sec, MasterSecretSize, pm->data, MasterSecretSize, "master secret",
- sec->crandom, RandomSize, sec->srandom, RandomSize);
+ memset(sec, 0, sizeof(*sec));
+ sec->clientVers = cvers;
+ memmove(sec->crandom, crandom, RandomSize);
+
+ put32(sec->srandom, time(nil));
+ genrandom(sec->srandom+4, RandomSize-4);
}
-static void
-serverMasterSecret(TlsSec *sec, uchar *epm, int nepm)
+static int
+tlsSecRSAs(TlsSec *sec, Bytes *epm)
{
Bytes *pm;
- pm = pkcs1_decrypt(sec, epm, nepm);
-
+ if(epm == nil){
+ werrstr("no encrypted premaster secret");
+ return -1;
+ }
// if the client messed up, just continue as if everything is ok,
// to prevent attacks to check for correctly formatted messages.
- // Hence the fprint(2,) can't be replaced by tlsError(), which sends an Alert msg to the client.
- if(sec->ok < 0 || pm == nil || get16(pm->data) != sec->clientVers){
- fprint(2, "serverMasterSecret failed ok=%d pm=%p pmvers=%x cvers=%x nepm=%d\n",
- sec->ok, pm, pm ? get16(pm->data) : -1, sec->clientVers, nepm);
- sec->ok = -1;
- if(pm != nil)
- freebytes(pm);
+ pm = pkcs1_decrypt(sec, epm);
+ if(pm == nil || pm->len != MasterSecretSize || get16(pm->data) != sec->clientVers){
+ freebytes(pm);
pm = newbytes(MasterSecretSize);
- genrandom(pm->data, MasterSecretSize);
+ genrandom(pm->data, pm->len);
}
setMasterSecret(sec, pm);
- memset(pm->data, 0, pm->len);
- freebytes(pm);
+ return 0;
}
-static int
-clientMasterSecret(TlsSec *sec, RSApub *pub, uchar **epm, int *nepm)
+static Bytes*
+tlsSecECDHEs1(TlsSec *sec, Namedcurve *nc)
{
- Bytes *pm, *key;
+ ECdomain *dom = &sec->ec.dom;
+ ECpriv *Q = &sec->ec.Q;
+ Bytes *par;
+ int n;
- pm = newbytes(MasterSecretSize);
- put16(pm->data, sec->clientVers);
- genrandom(pm->data+2, MasterSecretSize - 2);
+ ecdominit(dom, nc->init);
+ memset(Q, 0, sizeof(*Q));
+ Q->x = mpnew(0);
+ Q->y = mpnew(0);
+ Q->d = mpnew(0);
+ ecgen(dom, Q);
+ n = 1 + 2*((mpsignif(dom->p)+7)/8);
+ par = newbytes(1+2+1+n);
+ par->data[0] = 3;
+ put16(par->data+1, nc->tlsid);
+ n = ecencodepub(dom, Q, par->data+4, par->len-4);
+ par->data[3] = n;
+ par->len = 1+2+1+n;
- setMasterSecret(sec, pm);
+ return par;
+}
- key = pkcs1_encrypt(pm, pub, 2);
- memset(pm->data, 0, pm->len);
- freebytes(pm);
- if(key == nil){
- werrstr("tls pkcs1_encrypt failed");
+static int
+tlsSecECDHEs2(TlsSec *sec, Bytes *Yc)
+{
+ ECdomain *dom = &sec->ec.dom;
+ ECpriv *Q = &sec->ec.Q;
+ ECpoint K;
+ ECpub *Y;
+
+ if(Yc == nil){
+ werrstr("no public key");
return -1;
}
- *nepm = key->len;
- *epm = malloc(*nepm);
- if(*epm == nil){
- freebytes(key);
- werrstr("out of memory");
+ if((Y = ecdecodepub(dom, Yc->data, Yc->len)) == nil){
+ werrstr("bad public key");
return -1;
}
- memmove(*epm, key->data, *nepm);
- freebytes(key);
+ memset(&K, 0, sizeof(K));
+ K.x = mpnew(0);
+ K.y = mpnew(0);
- return 1;
-}
+ ecmul(dom, Y, Q->d, &K);
-static void
-sslSetFinished(TlsSec *sec, HandHash hs, uchar *finished, int isClient)
-{
- DigestState *s;
- uchar h0[MD5dlen], h1[SHA1dlen], pad[48];
- char *label;
+ setMasterSecret(sec, mptobytes(K.x, (mpsignif(dom->p)+7)/8));
- if(isClient)
- label = "CLNT";
- else
- label = "SRVR";
+ mpfree(K.x);
+ mpfree(K.y);
- md5((uchar*)label, 4, nil, &hs.md5);
- md5(sec->sec, MasterSecretSize, nil, &hs.md5);
- memset(pad, 0x36, 48);
- md5(pad, 48, nil, &hs.md5);
- md5(nil, 0, h0, &hs.md5);
- memset(pad, 0x5C, 48);
- s = md5(sec->sec, MasterSecretSize, nil, nil);
- s = md5(pad, 48, nil, s);
- md5(h0, MD5dlen, finished, s);
+ ecpubfree(Y);
- sha1((uchar*)label, 4, nil, &hs.sha1);
- sha1(sec->sec, MasterSecretSize, nil, &hs.sha1);
- memset(pad, 0x36, 40);
- sha1(pad, 40, nil, &hs.sha1);
- sha1(nil, 0, h1, &hs.sha1);
- memset(pad, 0x5C, 40);
- s = sha1(sec->sec, MasterSecretSize, nil, nil);
- s = sha1(pad, 40, nil, s);
- sha1(h1, SHA1dlen, finished + MD5dlen, s);
+ return 0;
}
-// fill "finished" arg with md5(args)^sha1(args)
static void
-tlsSetFinished(TlsSec *sec, HandHash hs, uchar *finished, int isClient)
+tlsSecInitc(TlsSec *sec, int cvers)
{
- uchar h0[MD5dlen], h1[SHA1dlen];
- char *label;
+ memset(sec, 0, sizeof(*sec));
+ sec->clientVers = cvers;
+ put32(sec->crandom, time(nil));
+ genrandom(sec->crandom+4, RandomSize-4);
+}
- // get current hash value, but allow further messages to be hashed in
- md5(nil, 0, h0, &hs.md5);
- sha1(nil, 0, h1, &hs.sha1);
+static Bytes*
+tlsSecRSAc(TlsSec *sec, uchar *cert, int ncert)
+{
+ RSApub *pub;
+ Bytes *pm, *epm;
- if(isClient)
- label = "client finished";
- else
- label = "server finished";
- if (sec->prf == nil) {
- werrstr("nil sec->prf in tlsSetFinished");
- return;
+ pub = X509toRSApub(cert, ncert, nil, 0);
+ if(pub == nil){
+ werrstr("invalid x509/rsa certificate");
+ return nil;
}
- (*sec->prf)(finished, TLSFinishedLen, sec->sec, MasterSecretSize, label, h0, MD5dlen, h1, SHA1dlen);
+ pm = newbytes(MasterSecretSize);
+ put16(pm->data, sec->clientVers);
+ genrandom(pm->data+2, MasterSecretSize - 2);
+ epm = pkcs1_encrypt(pm, pub);
+ setMasterSecret(sec, pm);
+ rsapubfree(pub);
+ return epm;
}
-// fill "finished" arg with sha256(args)
-static void
-tls12SetFinished(TlsSec *sec, HandHash hs, uchar *finished, int isClient)
+static int
+tlsSecFinished(TlsSec *sec, HandshakeHash hsh, uchar *fin, int nfin, int isclient)
{
- uchar h[SHA2_256dlen];
- char *label;
-
- // get current hash value, but allow further messages to be hashed in
- sha2_256(nil, 0, h, &hs.sha2_256);
-
- if(isClient)
- label = "client finished";
- else
- label = "server finished";
- tlsPsha2_256(finished, TLSFinishedLen, sec->sec, MasterSecretSize, (uchar*)label, strlen(label), h, SHA2_256dlen);
+ if(sec->nfin != nfin){
+ werrstr("invalid finished exchange");
+ return -1;
+ }
+ hsh.md5.malloced = 0;
+ hsh.sha1.malloced = 0;
+ hsh.sha2_256.malloced = 0;
+ (*sec->setFinished)(sec, hsh, fin, isclient);
+ return 0;
}
static void
-sslPRF(uchar *buf, int nbuf, uchar *key, int nkey, char *label, uchar *seed0, int nseed0, uchar *seed1, int nseed1)
+tlsSecVers(TlsSec *sec, int v)
{
- DigestState *s;
- uchar sha1dig[SHA1dlen], md5dig[MD5dlen], tmp[26];
- int i, n, len;
-
- USED(label);
- len = 1;
- while(nbuf > 0){
- if(len > 26)
- return;
- for(i = 0; i < len; i++)
- tmp[i] = 'A' - 1 + len;
- s = sha1(tmp, len, nil, nil);
- s = sha1(key, nkey, nil, s);
- s = sha1(seed0, nseed0, nil, s);
- sha1(seed1, nseed1, sha1dig, s);
- s = md5(key, nkey, nil, nil);
- md5(sha1dig, SHA1dlen, md5dig, s);
- n = MD5dlen;
- if(n > nbuf)
- n = nbuf;
- memmove(buf, md5dig, n);
- buf += n;
- nbuf -= n;
- len++;
+ if(v == SSL3Version){
+ sec->setFinished = sslSetFinished;
+ sec->nfin = SSL3FinishedLen;
+ sec->prf = sslPRF;
+ }else if(v < TLS12Version) {
+ sec->setFinished = tls10SetFinished;
+ sec->nfin = TLSFinishedLen;
+ sec->prf = tls10PRF;
+ }else {
+ sec->setFinished = tls12SetFinished;
+ sec->nfin = TLSFinishedLen;
+ sec->prf = tls12PRF;
}
}
-static mpint*
-bytestomp(Bytes* bytes)
+static int
+setSecrets(TlsConnection *c, int isclient)
{
- mpint* ans;
+ uchar kd[MaxKeyData];
+ char *secrets;
+ int rv;
- ans = betomp(bytes->data, bytes->len, nil);
- return ans;
+ assert(c->nsecret <= sizeof(kd));
+ secrets = emalloc(2*c->nsecret);
+
+ /*
+ * generate secret keys from the master secret.
+ *
+ * different cipher selections will require different amounts
+ * of key expansion and use of key expansion data,
+ * but it's all generated using the same function.
+ */
+ (*c->sec->prf)(kd, c->nsecret, c->sec->sec, MasterSecretSize, "key expansion",
+ c->sec->srandom, RandomSize, c->sec->crandom, RandomSize);
+
+ enc64(secrets, 2*c->nsecret, kd, c->nsecret);
+ memset(kd, 0, c->nsecret);
+
+ rv = fprint(c->ctl, "secret %s %s %d %s", c->digest, c->enc, isclient, secrets);
+ memset(secrets, 0, 2*c->nsecret);
+ free(secrets);
+
+ return rv;
}
/*
- * Convert mpint* to Bytes, putting high order byte first.
+ * set the master secret from the pre-master secret,
+ * destroys premaster.
*/
-static Bytes*
-mptobytes(mpint* big)
+static void
+setMasterSecret(TlsSec *sec, Bytes *pm)
{
- int n, m;
- uchar *a;
- Bytes* ans;
+ if(sec->psklen > 0){
+ Bytes *opm = pm;
+ uchar *p;
+
+ /* concatenate psk to pre-master secret */
+ pm = newbytes(4 + opm->len + sec->psklen);
+ p = pm->data;
+ put16(p, opm->len), p += 2;
+ memmove(p, opm->data, opm->len), p += opm->len;
+ put16(p, sec->psklen), p += 2;
+ memmove(p, sec->psk, sec->psklen);
- a = nil;
- n = (mpsignif(big)+7)/8;
- m = mptobe(big, nil, n, &a);
- ans = makebytes(a, m);
- if(a != nil)
- free(a);
- return ans;
+ memset(opm->data, 0, opm->len);
+ freebytes(opm);
+ }
+
+ (*sec->prf)(sec->sec, MasterSecretSize, pm->data, pm->len, "master secret",
+ sec->crandom, RandomSize, sec->srandom, RandomSize);
+
+ memset(pm->data, 0, pm->len);
+ freebytes(pm);
}
-// Do RSA computation on block according to key, and pad
-// result on left with zeros to make it modlen long.
-static Bytes*
-rsacomp(Bytes* block, RSApub* key, int modlen)
+static int
+digestDHparams(TlsSec *sec, Bytes *par, uchar digest[MAXdlen], int sigalg)
{
- mpint *x, *y;
- Bytes *a, *ybytes;
- int ylen;
-
- x = bytestomp(block);
- y = rsaencrypt(key, x, nil);
- mpfree(x);
- ybytes = mptobytes(y);
- ylen = ybytes->len;
+ int hashalg = (sigalg>>8) & 0xFF;
+ int digestlen;
+ Bytes *blob;
+
+ blob = newbytes(2*RandomSize + par->len);
+ memmove(blob->data+0*RandomSize, sec->crandom, RandomSize);
+ memmove(blob->data+1*RandomSize, sec->srandom, RandomSize);
+ memmove(blob->data+2*RandomSize, par->data, par->len);
+ if(hashalg == 0){
+ digestlen = MD5dlen+SHA1dlen;
+ md5(blob->data, blob->len, digest, nil);
+ sha1(blob->data, blob->len, digest+MD5dlen, nil);
+ } else {
+ digestlen = -1;
+ if(hashalg < nelem(hashfun) && hashfun[hashalg].fun != nil){
+ digestlen = hashfun[hashalg].len;
+ (*hashfun[hashalg].fun)(blob->data, blob->len, digest, nil);
+ }
+ }
+ freebytes(blob);
+ return digestlen;
+}
- if(ylen < modlen) {
- a = newbytes(modlen);
- memset(a->data, 0, modlen-ylen);
- memmove(a->data+modlen-ylen, ybytes->data, ylen);
- freebytes(ybytes);
- ybytes = a;
- }
- else if(ylen > modlen) {
- // assume it has leading zeros (mod should make it so)
- a = newbytes(modlen);
- memmove(a->data, ybytes->data, modlen);
- freebytes(ybytes);
- ybytes = a;
+static char*
+verifyDHparams(TlsSec *sec, Bytes *par, Bytes *cert, Bytes *sig, int sigalg)
+{
+ uchar digest[MAXdlen];
+ int digestlen;
+ ECdomain dom;
+ ECpub *ecpk;
+ RSApub *rsapk;
+ char *err;
+
+ if(par == nil || par->len <= 0)
+ return "no DH parameters";
+
+ if(sig == nil || sig->len <= 0){
+ if(sec->psklen > 0)
+ return nil;
+ return "no signature";
+ }
+
+ if(cert == nil)
+ return "no certificate";
+
+ digestlen = digestDHparams(sec, par, digest, sigalg);
+ if(digestlen <= 0)
+ return "unknown signature digest algorithm";
+
+ switch(sigalg & 0xFF){
+ case 0x01:
+ rsapk = X509toRSApub(cert->data, cert->len, nil, 0);
+ if(rsapk == nil)
+ return "bad certificate";
+ err = X509rsaverifydigest(sig->data, sig->len, digest, digestlen, rsapk);
+ rsapubfree(rsapk);
+ break;
+ case 0x03:
+ ecpk = X509toECpub(cert->data, cert->len, nil, 0, &dom);
+ if(ecpk == nil)
+ return "bad certificate";
+ err = X509ecdsaverifydigest(sig->data, sig->len, digest, digestlen, &dom, ecpk);
+ ecdomfree(&dom);
+ ecpubfree(ecpk);
+ break;
+ default:
+ err = "signaure algorithm not RSA or ECDSA";
}
- mpfree(y);
- return ybytes;
+
+ return err;
}
// encrypt data according to PKCS#1, /lib/rfc/rfc2437 9.1.2.1
static Bytes*
-pkcs1_encrypt(Bytes* data, RSApub* key, int blocktype)
+pkcs1_encrypt(Bytes* data, RSApub* key)
{
- Bytes *pad, *eb, *ans;
- int i, dlen, padlen, modlen;
+ mpint *x, *y;
- modlen = (mpsignif(key->n)+7)/8;
- dlen = data->len;
- if(modlen < 12 || dlen > modlen - 11)
+ x = pkcs1padbuf(data->data, data->len, key->n, 2);
+ if(x == nil)
return nil;
- padlen = modlen - 3 - dlen;
- pad = newbytes(padlen);
- genrandom(pad->data, padlen);
- for(i = 0; i < padlen; i++) {
- if(blocktype == 0)
- pad->data[i] = 0;
- else if(blocktype == 1)
- pad->data[i] = 255;
- else if(pad->data[i] == 0)
- pad->data[i] = 1;
- }
- eb = newbytes(modlen);
- eb->data[0] = 0;
- eb->data[1] = blocktype;
- memmove(eb->data+2, pad->data, padlen);
- eb->data[padlen+2] = 0;
- memmove(eb->data+padlen+3, data->data, dlen);
- ans = rsacomp(eb, key, modlen);
- freebytes(eb);
- freebytes(pad);
- return ans;
+ y = rsaencrypt(key, x, nil);
+ mpfree(x);
+ data = newbytes((mpsignif(key->n)+7)/8);
+ mptober(y, data->data, data->len);
+ mpfree(y);
+ return data;
}
// decrypt data according to PKCS#1, with given key.
-// expect a block type of 2.
static Bytes*
-pkcs1_decrypt(TlsSec *sec, uchar *epm, int nepm)
+pkcs1_decrypt(TlsSec *sec, Bytes *data)
{
- Bytes *eb, *ans = nil;
- int i, modlen;
- mpint *x, *y;
+ mpint *y;
- modlen = (mpsignif(sec->rsapub->n)+7)/8;
- if(nepm != modlen)
+ if(data->len != (mpsignif(sec->rsapub->n)+7)/8)
return nil;
- x = betomp(epm, nepm, nil);
- y = factotum_rsa_decrypt(sec->rpc, x);
+ y = factotum_rsa_decrypt(sec->rpc, bytestomp(data));
if(y == nil)
return nil;
- eb = mptobytes(y);
- if(eb->len < modlen){ // pad on left with zeros
- ans = newbytes(modlen);
- memset(ans->data, 0, modlen-eb->len);
- memmove(ans->data+modlen-eb->len, eb->data, eb->len);
- freebytes(eb);
- eb = ans;
- }
- if(eb->data[0] == 0 && eb->data[1] == 2) {
- for(i = 2; i < modlen; i++)
- if(eb->data[i] == 0)
- break;
- if(i < modlen - 1)
- ans = makebytes(eb->data+i+1, modlen-(i+1));
+ data = mptobytes(y, (mpsignif(y)+7)/8);
+ mpfree(y);
+ if((data->len = pkcs1unpadbuf(data->data, data->len, sec->rsapub->n, 2)) < 0){
+ freebytes(data);
+ return nil;
}
- if (eb != ans) /* not freed above? */
- freebytes(eb);
- return ans;
+ return data;
+}
+
+static Bytes*
+pkcs1_sign(TlsSec *sec, uchar *digest, int digestlen, int sigalg)
+{
+ int hashalg = (sigalg>>8)&0xFF;
+ mpint *signedMP;
+ Bytes *signature;
+ uchar buf[128];
+
+ if(hashalg > 0 && hashalg < nelem(hashfun) && hashfun[hashalg].len == digestlen)
+ digestlen = asn1encodedigest(hashfun[hashalg].fun, digest, buf, sizeof(buf));
+ else if(digestlen == MD5dlen+SHA1dlen)
+ memmove(buf, digest, digestlen);
+ else
+ digestlen = -1;
+ if(digestlen <= 0){
+ werrstr("bad digest algorithm");
+ return nil;
+ }
+
+ signedMP = factotum_rsa_decrypt(sec->rpc, pkcs1padbuf(buf, digestlen, sec->rsapub->n, 1));
+ if(signedMP == nil)
+ return nil;
+ signature = mptobytes(signedMP, (mpsignif(sec->rsapub->n)+7)/8);
+ mpfree(signedMP);
+ return signature;
}
@@ -2370,10 +2877,10 @@
if(n==0)
n=1;
p = malloc(n);
- if(p == nil){
- exits("out of memory");
- }
+ if(p == nil)
+ sysfatal("out of memory");
memset(p, 0, n);
+ setmalloctag(p, getcallerpc(&n));
return p;
}
@@ -2382,11 +2889,11 @@
{
if(ReallocN == 0)
ReallocN = 1;
- if(!ReallocP)
+ if(ReallocP == nil)
ReallocP = emalloc(ReallocN);
- else if(!(ReallocP = realloc(ReallocP, ReallocN))){
- exits("out of memory");
- }
+ else if((ReallocP = realloc(ReallocP, ReallocN)) == nil)
+ sysfatal("out of memory");
+ setrealloctag(ReallocP, getcallerpc(&ReallocP));
return(ReallocP);
}
@@ -2414,12 +2921,6 @@
p[1] = x;
}
-static u32int
-get32(uchar *p)
-{
- return (p[0]<<24)|(p[1]<<16)|(p[2]<<8)|p[3];
-}
-
static int
get24(uchar *p)
{
@@ -2432,19 +2933,14 @@
return (p[0]<<8)|p[1];
}
-#define OFFSET(x, s) offsetof(s, x)
-
-/*
- * malloc and return a new Bytes structure capable of
- * holding len bytes. (len >= 0)
- * Used to use crypt_malloc, which aborts if malloc fails.
- */
static Bytes*
newbytes(int len)
{
Bytes* ans;
- ans = (Bytes*)malloc(OFFSET(data[0], Bytes) + len);
+ if(len < 0)
+ abort();
+ ans = emalloc(sizeof(Bytes) + len);
ans->len = len;
return ans;
}
@@ -2465,35 +2961,55 @@
static void
freebytes(Bytes* b)
{
- if(b != nil)
- free(b);
+ free(b);
}
-/* len is number of ints */
-static Ints*
-newints(int len)
+static mpint*
+bytestomp(Bytes* bytes)
{
- Ints* ans;
+ return betomp(bytes->data, bytes->len, nil);
+}
- ans = (Ints*)malloc(OFFSET(data[0], Ints) + len*sizeof(int));
- ans->len = len;
+/*
+ * Convert mpint* to Bytes, putting high order byte first.
+ */
+static Bytes*
+mptobytes(mpint *big, int len)
+{
+ Bytes* ans;
+
+ if(len == 0) len++;
+ ans = newbytes(len);
+ mptober(big, ans->data, ans->len);
return ans;
}
+/* len is number of ints */
static Ints*
-makeints(int* buf, int len)
+newints(int len)
{
Ints* ans;
- ans = newints(len);
- if(len > 0)
- memmove(ans->data, buf, len*sizeof(int));
+ if(len < 0 || len > ((uint)-1>>1)/sizeof(int))
+ abort();
+ ans = emalloc(sizeof(Ints) + len*sizeof(int));
+ ans->len = len;
return ans;
}
static void
freeints(Ints* b)
{
- if(b != nil)
- free(b);
+ free(b);
+}
+
+static int
+lookupid(Ints* b, int id)
+{
+ int i;
+
+ for(i=0; i<b->len; i++)
+ if(b->data[i] == id)
+ return i;
+ return -1;
}
--- /dev/null Mon Jun 28 00:12:24 2021
+++ /sys/src/libsec/port/tsmemcmp.c Sat Jun 26 21:21:42 2021
@@ -0,0 +1,27 @@
+#include <u.h>
+#include <libc.h>
+#include <mp.h>
+#include <libsec.h>
+
+/*
+ * timing safe memcmp()
+ */
+int
+tsmemcmp(void *a1, void *a2, ulong n)
+{
+ int lt, gt, c1, c2, r, m;
+ uchar *s1, *s2;
+
+ r = m = 0;
+ s1 = a1;
+ s2 = a2;
+ while(n--){
+ c1 = *s1++;
+ c2 = *s2++;
+ lt = (c1 - c2) >> 8;
+ gt = (c2 - c1) >> 8;
+ r |= (lt - gt) & ~m;
+ m |= lt | gt;
+ }
+ return r;
+}
--- sys/src/libsec/port/x509.c Thu Jul 15 09:07:50 2021
+++ /sys/src/libsec/port/x509.c Wed Jul 14 02:08:12 2021
@@ -3,11 +3,6 @@
#include <mp.h>
#include <libsec.h>
-typedef DigestState*(*DigestFun)(uchar*,ulong,uchar*,DigestState*);
-
-/* ANSI offsetof, backwards. */
-#define OFFSETOF(a, b) offsetof(b, a)
-
/*=============================================================*/
/* general ASN1 declarations and parsing
*
@@ -58,18 +53,18 @@
struct Bytes {
int len;
- uchar data[1];
+ uchar data[];
};
struct Ints {
int len;
- int data[1];
+ int data[];
};
struct Bits {
int len; /* number of bytes */
int unusedbits; /* unused bits in last byte */
- uchar data[1]; /* most-significant bit first */
+ uchar data[]; /* most-significant bit first */
};
struct Tag {
@@ -135,14 +130,11 @@
static int is_string(Elem* pe, char** pstring);
static int is_time(Elem* pe, char** ptime);
static int decode(uchar* a, int alen, Elem* pelem);
-static int decode_seq(uchar* a, int alen, Elist** pelist);
-static int decode_value(uchar* a, int alen, int kind, int isconstr, Value* pval);
static int encode(Elem e, Bytes** pbytes);
static int oid_lookup(Ints* o, Ints** tab);
static void freevalfields(Value* v);
static mpint *asn1mpint(Elem *e);
-
-
+static void edump(Elem);
#define TAG_MASK 0x1F
#define CONSTR_MASK 0x20
@@ -169,9 +161,8 @@
if(n==0)
n=1;
p = malloc(n);
- if(p == nil){
- exits("out of memory");
- }
+ if(p == nil)
+ sysfatal("out of memory");
memset(p, 0, n);
setmalloctag(p, getcallerpc(&n));
return p;
@@ -180,14 +171,13 @@
static char*
estrdup(char *s)
{
- char *d, *d0;
+ char *d;
+ int n;
- if(!s)
- return 0;
- d = d0 = emalloc(strlen(s)+1);
- while(*d++ = *s++)
- ;
- return d0;
+ n = strlen(s)+1;
+ d = emalloc(n);
+ memmove(d, s, n);
+ return d;
}
@@ -201,37 +191,12 @@
decode(uchar* a, int alen, Elem* pelem)
{
uchar* p = a;
+ int err;
- return ber_decode(&p, &a[alen], pelem);
-}
-
-/*
- * Like decode, but continue decoding after first element
- * of array ends.
- */
-static int
-decode_seq(uchar* a, int alen, Elist** pelist)
-{
- uchar* p = a;
-
- return seq_decode(&p, &a[alen], -1, 1, pelist);
-}
-
-/*
- * Decode the whole array as a BER encoding of an ASN1 value,
- * (i.e., the part after the tag and length).
- * Assume the value is encoded as universal tag "kind".
- * The constr arg is 1 if the value is constructed, 0 if primitive.
- * If there's an error, the return string will contain the error.
- * Depending on the error, the returned value may or may not
- * be nil.
- */
-static int
-decode_value(uchar* a, int alen, int kind, int isconstr, Value* pval)
-{
- uchar* p = a;
-
- return value_decode(&p, &a[alen], alen, kind, isconstr, pval);
+ err = ber_decode(&p, &a[alen], pelem);
+ if(err == ASN_OK && p != &a[alen])
+ err = ASN_EVALLEN;
+ return err;
}
/*
@@ -257,15 +222,14 @@
Tag tag;
Value val;
+ memset(pelem, 0, sizeof(*pelem));
err = tag_decode(pp, pend, &tag, &isconstr);
if(err == ASN_OK) {
err = length_decode(pp, pend, &length);
if(err == ASN_OK) {
- if(tag.class == Universal) {
+ if(tag.class == Universal)
err = value_decode(pp, pend, length, tag.num, isconstr, &val);
- if(val.tag == VSeq || val.tag == VSet)
- setmalloctag(val.u.seqval, getcallerpc(&pp));
- }else
+ else
err = value_decode(pp, pend, length, OCTET_STRING, 0, &val);
if(err == ASN_OK) {
pelem->tag = tag;
@@ -400,8 +364,7 @@
pval->u.bitstringval = makebits(0, 0, 0);
p += 2;
}
- else
- /* TODO: recurse and concat results */
+ else /* TODO: recurse and concat results */
err = ASN_EUNIMPL;
}
else {
@@ -502,7 +465,6 @@
case SEQUENCE:
err = seq_decode(&p, pend, length, isconstr, &vl);
- setmalloctag(vl, getcallerpc(&pp));
if(err == ASN_OK) {
pval->tag = VSeq ;
pval->u.seqval = vl;
@@ -511,12 +473,12 @@
case SETOF:
err = seq_decode(&p, pend, length, isconstr, &vl);
- setmalloctag(vl, getcallerpc(&pp));
if(err == ASN_OK) {
pval->tag = VSet;
pval->u.setval = vl;
}
break;
+
case UTF8String:
case NumericString:
case PrintableString:
@@ -530,13 +492,64 @@
case GeneralString:
case UniversalString:
case BMPString:
- /* TODO: figure out when character set conversion is necessary */
err = octet_decode(&p, pend, length, isconstr, &va);
if(err == ASN_OK) {
- pval->tag = VString;
- pval->u.stringval = (char*)emalloc(va->len+1);
- memmove(pval->u.stringval, va->data, va->len);
- pval->u.stringval[va->len] = 0;
+ uchar *s;
+ char *d;
+ Rune r;
+ int n;
+
+ switch(kind){
+ case UniversalString:
+ n = va->len / 4;
+ d = emalloc(n*UTFmax+1);
+ pval->u.stringval = d;
+ s = va->data;
+ while(n > 0){
+ r = s[0]<<24 | s[1]<<16 | s[2]<<8 | s[3];
+ if(r == 0)
+ break;
+ n--;
+ s += 4;
+ d += runetochar(d, &r);
+ }
+ *d = 0;
+ break;
+ case BMPString:
+ n = va->len / 2;
+ d = emalloc(n*UTFmax+1);
+ pval->u.stringval = d;
+ s = va->data;
+ while(n > 0){
+ r = s[0]<<8 | s[1];
+ if(r == 0)
+ break;
+ n--;
+ s += 2;
+ d += runetochar(d, &r);
+ }
+ *d = 0;
+ break;
+ default:
+ n = va->len;
+ d = emalloc(n+1);
+ pval->u.stringval = d;
+ s = va->data;
+ while(n > 0){
+ if((*d = *s) == 0)
+ break;
+ n--;
+ s++;
+ d++;
+ }
+ *d = 0;
+ break;
+ }
+ if(n != 0){
+ err = ASN_EINVAL;
+ free(pval->u.stringval);
+ } else
+ pval->tag = VString;
free(va);
}
break;
@@ -665,25 +678,27 @@
switch(elem.val.tag) {
case VOctets:
newans = catbytes(ans, elem.val.u.octetsval);
+ freevalfields(&elem.val);
freebytes(ans);
ans = newans;
break;
case VEOC:
- if(length != -1) {
- p = pold;
- err = ASN_EINVAL;
- }
- goto cloop_done;
-
+ if(length == -1)
+ goto cloop_done;
+ /* no break */
default:
+ freevalfields(&elem.val);
p = pold;
err = ASN_EINVAL;
goto cloop_done;
}
}
cloop_done:
- ;
+ if(err != ASN_OK){
+ freebytes(ans);
+ ans = nil;
+ }
}
*pp = p;
*pbytes = ans;
@@ -736,7 +751,9 @@
else
lve = mkel(elem, lve);
}
- if(err == ASN_OK) {
+ if(err != ASN_OK)
+ freeelist(lve);
+ else {
/* reverse back to original order */
while(lve != nil) {
lveold = lve;
@@ -748,7 +765,6 @@
}
*pp = p;
*pelist = ans;
- setmalloctag(ans, getcallerpc(&pp));
return err;
}
@@ -977,8 +993,8 @@
memmove(p, bb->data, bb->len);
p += bb->len;
}
- else
- err = ASN_EINVAL;
+ else
+ err = ASN_EINVAL;
break;
case NULLTAG:
@@ -1195,21 +1211,8 @@
static int
is_bigint(Elem* pe, Bytes** pbigint)
{
- int v, n, i;
-
- if(pe->tag.class == Universal && pe->tag.num == INTEGER) {
- if(pe->val.tag == VBigInt)
- *pbigint = pe->val.u.bigintval;
- else if(pe->val.tag == VInt){
- v = pe->val.u.intval;
- for(n = 1; n < 4; n++)
- if((1 << (8 * n)) > v)
- break;
- *pbigint = newbytes(n);
- for(i = 0; i < n; i++)
- (*pbigint)->data[i] = (v >> ((n - 1 - i) * 8));
- }else
- return 0;
+ if(pe->tag.class == Universal && pe->tag.num == INTEGER && pe->val.tag == VBigInt) {
+ *pbigint = pe->val.u.bigintval;
return 1;
}
return 0;
@@ -1292,7 +1295,9 @@
{
Bytes* ans;
- ans = (Bytes*)emalloc(OFFSETOF(data[0], Bytes) + len);
+ if(len < 0)
+ abort();
+ ans = emalloc(sizeof(Bytes) + len);
ans->len = len;
return ans;
}
@@ -1313,8 +1318,7 @@
static void
freebytes(Bytes* b)
{
- if(b != nil)
- free(b);
+ free(b);
}
/*
@@ -1352,7 +1356,9 @@
{
Ints* ans;
- ans = (Ints*)emalloc(OFFSETOF(data[0], Ints) + len*sizeof(int));
+ if(len < 0 || len > ((uint)-1>>1)/sizeof(int))
+ abort();
+ ans = emalloc(sizeof(Ints) + len*sizeof(int));
ans->len = len;
return ans;
}
@@ -1363,16 +1369,14 @@
Ints* ans;
ans = newints(len);
- if(len > 0)
- memmove(ans->data, buf, len*sizeof(int));
+ memmove(ans->data, buf, len*sizeof(int));
return ans;
}
static void
freeints(Ints* b)
{
- if(b != nil)
- free(b);
+ free(b);
}
/* len is number of bytes */
@@ -1381,7 +1385,9 @@
{
Bits* ans;
- ans = (Bits*)emalloc(OFFSETOF(data[0], Bits) + len);
+ if(len < 0)
+ abort();
+ ans = emalloc(sizeof(Bits) + len);
ans->len = len;
ans->unusedbits = 0;
return ans;
@@ -1401,8 +1407,7 @@
static void
freebits(Bits* b)
{
- if(b != nil)
- free(b);
+ free(b);
}
static Elist*
@@ -1469,24 +1474,35 @@
freeints(v->u.objidval);
break;
case VString:
- if(v->u.stringval)
- free(v->u.stringval);
+ free(v->u.stringval);
break;
case VSeq:
el = v->u.seqval;
for(l = el; l != nil; l = l->tl)
freevalfields(&l->hd.val);
- if(el)
- freeelist(el);
+ freeelist(el);
break;
case VSet:
el = v->u.setval;
for(l = el; l != nil; l = l->tl)
freevalfields(&l->hd.val);
- if(el)
- freeelist(el);
+ freeelist(el);
break;
}
+ memset(v, 0, sizeof(*v));
+}
+
+static mpint*
+asn1mpint(Elem *e)
+{
+ Bytes *b;
+ int v;
+
+ if(is_int(e, &v))
+ return itomp(v, nil);
+ if(is_bigint(e, &b))
+ return betomp(b->data, b->len, nil);
+ return nil;
}
/* end of general ASN1 functions */
@@ -1569,9 +1585,11 @@
char* validity_end;
char* subject;
int publickey_alg;
- Bytes* publickey;
+ Bits* publickey;
int signature_alg;
- Bytes* signature;
+ Bits* signature;
+ int curve;
+ Bytes* ext;
} CertX509;
/* Algorithm object-ids */
@@ -1580,51 +1598,99 @@
ALG_md2WithRSAEncryption,
ALG_md4WithRSAEncryption,
ALG_md5WithRSAEncryption,
+
ALG_sha1WithRSAEncryption,
ALG_sha1WithRSAEncryptionOiw,
+
ALG_sha256WithRSAEncryption,
ALG_sha384WithRSAEncryption,
ALG_sha512WithRSAEncryption,
ALG_sha224WithRSAEncryption,
+
+ ALG_ecPublicKey,
+ ALG_sha1WithECDSA,
+ ALG_sha256WithECDSA,
+ ALG_sha384WithECDSA,
+ ALG_sha512WithECDSA,
+
ALG_md5,
ALG_sha1,
ALG_sha256,
ALG_sha384,
ALG_sha512,
ALG_sha224,
+
NUMALGS
};
-typedef struct Ints9 {
+
+typedef struct Ints15 {
+ int len;
+ int data[15];
+} Ints15;
+
+typedef struct DigestAlg {
+ int alg;
+ DigestState* (*fun)(uchar*,ulong,uchar*,DigestState*);
int len;
- int data[9];
-} Ints9;
-static Ints9 oid_rsaEncryption = {7, 1, 2, 840, 113549, 1, 1, 1 };
-static Ints9 oid_md2WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 2 };
-static Ints9 oid_md4WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 3 };
-static Ints9 oid_md5WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 4 };
-static Ints9 oid_sha1WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 5 };
-static Ints9 oid_sha1WithRSAEncryptionOiw ={6, 1, 3, 14, 3, 2, 29 };
-static Ints9 oid_sha256WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 11 };
-static Ints9 oid_sha384WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 12 };
-static Ints9 oid_sha512WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 13 };
-static Ints9 oid_sha224WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 14 };
-static Ints9 oid_md5 ={6, 1, 2, 840, 113549, 2, 5, 0 };
-static Ints9 oid_sha1 ={6, 1, 3, 14, 3, 2, 26 };
-static Ints9 oid_sha256 ={9, 2, 16, 840, 1, 101, 3, 4, 2, 1 };
-static Ints9 oid_sha384 ={9, 2, 16, 840, 1, 101, 3, 4, 2, 2 };
-static Ints9 oid_sha512 ={9, 2, 16, 840, 1, 101, 3, 4, 2, 3 };
-static Ints9 oid_sha224 ={9, 2, 16, 840, 1, 101, 3, 4, 2, 4 };
+} DigestAlg;
+
+static DigestAlg alg_md5 = { ALG_md5, md5, MD5dlen};
+static DigestAlg alg_sha1 = { ALG_sha1, sha1, SHA1dlen };
+static DigestAlg alg_sha256 = { ALG_sha256, sha2_256, SHA2_256dlen };
+static DigestAlg alg_sha384 = { ALG_sha384, sha2_384, SHA2_384dlen };
+static DigestAlg alg_sha512 = { ALG_sha512, sha2_512, SHA2_512dlen };
+static DigestAlg alg_sha224 = { ALG_sha224, sha2_224, SHA2_224dlen };
+
+/* maximum length of digest output of the digest algs above */
+enum {
+ MAXdlen = SHA2_512dlen,
+};
+
+static Ints15 oid_rsaEncryption = {7, 1, 2, 840, 113549, 1, 1, 1 };
+
+static Ints15 oid_md2WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 2 };
+static Ints15 oid_md4WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 3 };
+static Ints15 oid_md5WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 4 };
+static Ints15 oid_sha1WithRSAEncryption ={7, 1, 2, 840, 113549, 1, 1, 5 };
+static Ints15 oid_sha1WithRSAEncryptionOiw ={6, 1, 3, 14, 3, 2, 29 };
+static Ints15 oid_sha256WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 11 };
+static Ints15 oid_sha384WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 12 };
+static Ints15 oid_sha512WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 13 };
+static Ints15 oid_sha224WithRSAEncryption = {7, 1, 2, 840, 113549, 1, 1, 14 };
+
+static Ints15 oid_ecPublicKey = {6, 1, 2, 840, 10045, 2, 1 };
+static Ints15 oid_sha1WithECDSA = {6, 1, 2, 840, 10045, 4, 1 };
+static Ints15 oid_sha256WithECDSA = {7, 1, 2, 840, 10045, 4, 3, 2 };
+static Ints15 oid_sha384WithECDSA = {7, 1, 2, 840, 10045, 4, 3, 3 };
+static Ints15 oid_sha512WithECDSA = {7, 1, 2, 840, 10045, 4, 3, 4 };
+
+static Ints15 oid_md5 = {6, 1, 2, 840, 113549, 2, 5 };
+static Ints15 oid_sha1 = {6, 1, 3, 14, 3, 2, 26 };
+static Ints15 oid_sha256= {9, 2, 16, 840, 1, 101, 3, 4, 2, 1 };
+static Ints15 oid_sha384= {9, 2, 16, 840, 1, 101, 3, 4, 2, 2 };
+static Ints15 oid_sha512= {9, 2, 16, 840, 1, 101, 3, 4, 2, 3 };
+static Ints15 oid_sha224= {9, 2, 16, 840, 1, 101, 3, 4, 2, 4 };
+
static Ints *alg_oid_tab[NUMALGS+1] = {
(Ints*)&oid_rsaEncryption,
(Ints*)&oid_md2WithRSAEncryption,
(Ints*)&oid_md4WithRSAEncryption,
(Ints*)&oid_md5WithRSAEncryption,
+
(Ints*)&oid_sha1WithRSAEncryption,
(Ints*)&oid_sha1WithRSAEncryptionOiw,
+
(Ints*)&oid_sha256WithRSAEncryption,
(Ints*)&oid_sha384WithRSAEncryption,
(Ints*)&oid_sha512WithRSAEncryption,
(Ints*)&oid_sha224WithRSAEncryption,
+
+ (Ints*)&oid_ecPublicKey,
+ (Ints*)&oid_sha1WithECDSA,
+ (Ints*)&oid_sha256WithECDSA,
+ (Ints*)&oid_sha384WithECDSA,
+ (Ints*)&oid_sha512WithECDSA,
+
(Ints*)&oid_md5,
(Ints*)&oid_sha1,
(Ints*)&oid_sha256,
@@ -1633,22 +1699,46 @@
(Ints*)&oid_sha224,
nil
};
-static DigestFun digestalg[NUMALGS+1] = { md5, md5, md5, md5, sha1, sha1, sha2_256, sha2_384, sha2_512, sha2_224, md5, sha1, sha2_256, sha2_384, sha2_512, sha2_224, nil };
+
+static DigestAlg *digestalg[NUMALGS+1] = {
+ &alg_md5, &alg_md5, &alg_md5, &alg_md5,
+ &alg_sha1, &alg_sha1,
+ &alg_sha256, &alg_sha384, &alg_sha512, &alg_sha224,
+ &alg_sha256, &alg_sha1, &alg_sha256, &alg_sha384, &alg_sha512,
+ &alg_md5, &alg_sha1, &alg_sha256, &alg_sha384, &alg_sha512, &alg_sha224,
+ nil
+};
+
+static Bytes* encode_digest(DigestAlg *da, uchar *digest);
+
+static Ints15 oid_secp256r1 = {7, 1, 2, 840, 10045, 3, 1, 7};
+static Ints15 oid_secp384r1 = {5, 1, 3, 132, 0, 34};
+
+static Ints *namedcurves_oid_tab[] = {
+ (Ints*)&oid_secp256r1,
+ (Ints*)&oid_secp384r1,
+ nil,
+};
+static void (*namedcurves[])(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h) = {
+ secp256r1,
+ secp384r1,
+ nil,
+};
+
+static void appendaltnames(char *name, int nname, Bytes *ext, int req);
static void
freecert(CertX509* c)
{
- if(!c) return;
- if(c->issuer != nil)
- free(c->issuer);
- if(c->validity_start != nil)
- free(c->validity_start);
- if(c->validity_end != nil)
- free(c->validity_end);
- if(c->subject != nil)
- free(c->subject);
- freebytes(c->publickey);
- freebytes(c->signature);
+ if(c == nil)
+ return;
+ free(c->issuer);
+ free(c->validity_start);
+ free(c->validity_end);
+ free(c->subject);
+ freebits(c->publickey);
+ freebits(c->signature);
+ freebytes(c->ext);
free(c);
}
@@ -1729,12 +1819,22 @@
return oid_lookup(oid, alg_oid_tab);
}
+static int
+parse_curve(Elem* e)
+{
+ Elist* el;
+ Ints* oid;
+
+ if(!is_seq(e, &el) || elistlen(el)<2 || !is_oid(&el->tl->hd, &oid))
+ return -1;
+ return oid_lookup(oid, namedcurves_oid_tab);
+}
+
static CertX509*
-decode_cert(Bytes* a)
+decode_cert(uchar *buf, int len)
{
int ok = 0;
int n;
- CertX509* c = nil;
Elem ecert;
Elem* ecertinfo;
Elem* esigalg;
@@ -1752,8 +1852,9 @@
Bits* bits = nil;
Bytes* b;
Elem* e;
+ CertX509* c = nil;
- if(decode(a->data, a->len, &ecert) != ASN_OK)
+ if(decode(buf, len, &ecert) != ASN_OK)
goto errret;
c = (CertX509*)emalloc(sizeof(CertX509));
@@ -1766,6 +1867,7 @@
c->publickey = nil;
c->signature_alg = -1;
c->signature = nil;
+ c->ext = nil;
/* Certificate */
if(!is_seq(&ecert, &elcert) || elistlen(elcert) !=3)
@@ -1803,7 +1905,14 @@
esubj = &el->hd;
el = el->tl;
epubkey = &el->hd;
- if(!is_int(eserial, &c->serial)) {
+ if(el->tl != nil
+ && el->tl->hd.tag.class == Context
+ && el->tl->hd.tag.num == 3
+ && el->tl->hd.val.tag == VOctets){
+ c->ext = el->tl->hd.val.u.octetsval;
+ el->tl->hd.val.u.octetsval = nil; /* transfer ownership */
+ }
+ if(!is_int(eserial, &c->serial)) {
if(!is_bigint(eserial, &b))
goto errret;
c->serial = -1; /* else we have to change cert struct */
@@ -1831,7 +1940,7 @@
goto errret;
/* SubjectPublicKeyInfo */
- if(!is_seq(epubkey, &elpubkey))
+ if(!is_seq(epubkey, &elpubkey))
goto errret;
if(elistlen(elpubkey) != 2)
goto errret;
@@ -1839,18 +1948,25 @@
c->publickey_alg = parse_alg(&elpubkey->hd);
if(c->publickey_alg < 0)
goto errret;
- if(!is_bitstring(&elpubkey->tl->hd, &bits))
- goto errret;
- if(bits->unusedbits != 0)
+ c->curve = -1;
+ if(c->publickey_alg == ALG_ecPublicKey){
+ c->curve = parse_curve(&elpubkey->hd);
+ if(c->curve < 0)
+ goto errret;
+ }
+ elpubkey = elpubkey->tl;
+ if(!is_bitstring(&elpubkey->hd, &bits))
goto errret;
- c->publickey = makebytes(bits->data, bits->len);
+ elpubkey->hd.val.u.bitstringval = nil; /* transfer ownership */
+ c->publickey = bits;
/*resume Certificate */
if(c->signature_alg < 0)
goto errret;
- if(!is_bitstring(esig, &bits))
+ if(!is_bitstring(esig, &bits))
goto errret;
- c->signature = makebytes(bits->data, bits->len);
+ esig->val.u.bitstringval = nil; /* transfer ownership */
+ c->signature = bits;
ok = 1;
errret:
@@ -1863,45 +1979,38 @@
}
/*
- * RSAPublickKey :: SEQUENCE {
+ * RSAPublickKey ::= SEQUENCE {
* modulus INTEGER,
* publicExponent INTEGER
* }
*/
-static RSApub*
-decode_rsapubkey(Bytes* a)
+RSApub*
+asn1toRSApub(uchar *buf, int len)
{
Elem e;
- Elist *el, *l;
- mpint *mp;
+ Elist *el;
RSApub* key;
- l = nil;
- key = rsapuballoc();
- if(decode(a->data, a->len, &e) != ASN_OK)
+ key = nil;
+ if(decode(buf, len, &e) != ASN_OK)
goto errret;
if(!is_seq(&e, &el) || elistlen(el) != 2)
goto errret;
- l = el;
-
- key->n = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ key = rsapuballoc();
+ if((key->n = asn1mpint(&el->hd)) == nil)
goto errret;
-
el = el->tl;
- key->ek = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->ek = asn1mpint(&el->hd)) == nil)
goto errret;
- if(l != nil)
- freeelist(l);
+ freevalfields(&e.val);
return key;
errret:
- if(l != nil)
- freeelist(l);
+ freevalfields(&e.val);
rsapubfree(key);
return nil;
+
}
/*
@@ -1916,65 +2025,72 @@
* exponent2 INTEGER, -- d mod (q-1)
* coefficient INTEGER -- (inverse of q) mod p }
*/
-static RSApriv*
-decode_rsaprivkey(Bytes* a)
+RSApriv*
+asn1toRSApriv(uchar *buf, int len)
{
int version;
Elem e;
Elist *el;
- mpint *mp;
- RSApriv* key;
+ Bytes *b;
+ RSApriv* key = nil;
- key = rsaprivalloc();
- if(decode(a->data, a->len, &e) != ASN_OK)
+ if(decode(buf, len, &e) != ASN_OK)
goto errret;
- if(!is_seq(&e, &el) || elistlen(el) != 9)
+ if(!is_seq(&e, &el))
goto errret;
+
if(!is_int(&el->hd, &version) || version != 0)
goto errret;
+ if(elistlen(el) != 9){
+ if(elistlen(el) == 3
+ && parse_alg(&el->tl->hd) == ALG_rsaEncryption
+ && is_octetstring(&el->tl->tl->hd, &b)){
+ key = asn1toRSApriv(b->data, b->len);
+ if(key != nil)
+ goto done;
+ }
+ goto errret;
+ }
+
+ key = rsaprivalloc();
el = el->tl;
- key->pub.n = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->pub.n = asn1mpint(&el->hd)) == nil)
goto errret;
el = el->tl;
- key->pub.ek = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->pub.ek = asn1mpint(&el->hd)) == nil)
goto errret;
el = el->tl;
- key->dk = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->dk = asn1mpint(&el->hd)) == nil)
goto errret;
el = el->tl;
- key->q = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->q = asn1mpint(&el->hd)) == nil)
goto errret;
el = el->tl;
- key->p = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->p = asn1mpint(&el->hd)) == nil)
goto errret;
el = el->tl;
- key->kq = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->kq = asn1mpint(&el->hd)) == nil)
goto errret;
el = el->tl;
- key->kp = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->kp = asn1mpint(&el->hd)) == nil)
goto errret;
el = el->tl;
- key->c2 = mp = asn1mpint(&el->hd);
- if(mp == nil)
+ if((key->c2 = asn1mpint(&el->hd)) == nil)
goto errret;
+done:
+ freevalfields(&e.val);
return key;
errret:
+ freevalfields(&e.val);
rsaprivfree(key);
return nil;
}
@@ -2041,56 +2157,6 @@
return nil;
}
-static mpint*
-asn1mpint(Elem *e)
-{
- Bytes *b;
- mpint *mp;
- int v;
-
- if(is_int(e, &v))
- return itomp(v, nil);
- if(is_bigint(e, &b)) {
- mp = betomp(b->data, b->len, nil);
- freebytes(b);
- return mp;
- }
- return nil;
-}
-
-static mpint*
-pkcs1pad(Bytes *b, mpint *modulus)
-{
- int n = (mpsignif(modulus)+7)/8;
- int pm1, i;
- uchar *p;
- mpint *mp;
-
- pm1 = n - 1 - b->len;
- p = (uchar*)emalloc(n);
- p[0] = 0;
- p[1] = 1;
- for(i = 2; i < pm1; i++)
- p[i] = 0xFF;
- p[pm1] = 0;
- memcpy(&p[pm1+1], b->data, b->len);
- mp = betomp(p, n, nil);
- free(p);
- return mp;
-}
-
-RSApriv*
-asn1toRSApriv(uchar *kd, int kn)
-{
- Bytes *b;
- RSApriv *key;
-
- b = makebytes(kd, kn);
- key = decode_rsaprivkey(b);
- freebytes(b);
- return key;
-}
-
DSApriv*
asn1toDSApriv(uchar *kd, int kn)
{
@@ -2108,219 +2174,246 @@
* Our ASN.1 library doesn't return pointers into the original
* data array, so we need to do a little hand decoding.
*/
-static void
-digest_certinfo(Bytes *cert, DigestFun digestfun, uchar *digest)
+static int
+digest_certinfo(uchar *cert, int ncert, DigestAlg *da, uchar *digest)
{
uchar *info, *p, *pend;
- ulong infolen;
int isconstr, length;
Tag tag;
Elem elem;
- p = cert->data;
- pend = cert->data + cert->len;
+ p = cert;
+ pend = cert + ncert;
if(tag_decode(&p, pend, &tag, &isconstr) != ASN_OK ||
tag.class != Universal || tag.num != SEQUENCE ||
length_decode(&p, pend, &length) != ASN_OK ||
p+length > pend ||
p+length < p)
- return;
+ return -1;
info = p;
if(ber_decode(&p, pend, &elem) != ASN_OK)
- return;
+ return -1;
freevalfields(&elem.val);
if(elem.tag.num != SEQUENCE)
- return;
- infolen = p - info;
- (*digestfun)(info, infolen, digest, nil);
+ return -1;
+ (*da->fun)(info, p - info, digest, nil);
+ return da->len;
}
-static char*
-verify_signature(Bytes* signature, RSApub *pk, uchar *edigest, Elem **psigalg)
+mpint*
+pkcs1padbuf(uchar *buf, int len, mpint *modulus, int blocktype)
{
- Elem e;
- Elist *el;
+ int i, n = (mpsignif(modulus)-1)/8;
+ int pad = n - 2 - len;
+ uchar *p;
+ mpint *mp;
+
+ if(pad < 8){
+ werrstr("rsa modulus too small");
+ return nil;
+ }
+ if((p = malloc(n)) == nil)
+ return nil;
+ p[0] = blocktype;
+ switch(blocktype){
+ default:
+ case 1:
+ memset(p+1, 0xFF, pad);
+ break;
+ case 2:
+ for(i=1; i <= pad; i++)
+ p[i] = 1 + nfastrand(255);
+ break;
+ }
+ p[1+pad] = 0;
+ memmove(p+2+pad, buf, len);
+ mp = betomp(p, n, nil);
+ free(p);
+ return mp;
+}
+
+int
+pkcs1unpadbuf(uchar *buf, int len, mpint *modulus, int blocktype)
+{
+ uchar *p = buf + 1, *e = buf + len;
+
+ if(len < 1 || len != (mpsignif(modulus)-1)/8 || buf[0] != blocktype)
+ return -1;
+ switch(blocktype){
+ default:
+ case 1:
+ while(p < e && *p == 0xFF)
+ p++;
+ break;
+ case 2:
+ while(p < e && *p != 0x00)
+ p++;
+ break;
+ }
+ if(p - buf <= 8 || p >= e || *p++ != 0x00)
+ return -1;
+ memmove(buf, p, len = e - p);
+ return len;
+}
+
+static char Ebadsig[] = "bad signature";
+
+char*
+X509rsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, RSApub *pk)
+{
+ mpint *x, *y;
+ DigestAlg **dp;
Bytes *digest;
- uchar *pkcs1buf, *buf;
- int buflen;
- mpint *pkcs1;
- int nlen;
+ uchar *buf;
+ int len;
char *err;
- err = nil;
- pkcs1buf = nil;
+ x = betomp(sig, siglen, nil);
+ y = rsaencrypt(pk, x, nil);
+ mpfree(x);
+ len = mptobe(y, nil, 0, &buf);
+ mpfree(y);
+
+ err = Ebadsig;
+ len = pkcs1unpadbuf(buf, len, pk->n, 1);
+ if(len == edigestlen && tsmemcmp(buf, edigest, edigestlen) == 0)
+ err = nil;
+ for(dp = digestalg; err != nil && *dp != nil; dp++){
+ if((*dp)->len != edigestlen)
+ continue;
+ digest = encode_digest(*dp, edigest);
+ if(digest->len == len && tsmemcmp(digest->data, buf, len) == 0)
+ err = nil;
+ freebytes(digest);
+ }
+ free(buf);
+ return err;
+}
- /* one less than the byte length of the modulus */
- nlen = (mpsignif(pk->n)-1)/8;
+char*
+X509ecdsaverifydigest(uchar *sig, int siglen, uchar *edigest, int edigestlen, ECdomain *dom, ECpub *pub)
+{
+ Elem e;
+ Elist *el;
+ mpint *r, *s;
+ char *err;
- /* see 9.2.1 of rfc2437 */
- pkcs1 = betomp(signature->data, signature->len, nil);
- mpexp(pkcs1, pk->ek, pk->n, pkcs1);
- buflen = mptobe(pkcs1, nil, 0, &pkcs1buf);
- buf = pkcs1buf;
- if(buflen != nlen || buf[0] != 1) {
- err = "expected 1";
+ r = s = nil;
+ err = Ebadsig;
+ if(decode(sig, siglen, &e) != ASN_OK)
goto end;
- }
- buf++;
- while(buf[0] == 0xff)
- buf++;
- if(buf[0] != 0) {
- err = "expected 0";
+ if(!is_seq(&e, &el) || elistlen(el) != 2)
goto end;
- }
- buf++;
- buflen -= buf-pkcs1buf;
- if(decode(buf, buflen, &e) != ASN_OK || !is_seq(&e, &el) || elistlen(el) != 2 ||
- !is_octetstring(&el->tl->hd, &digest)) {
- err = "signature parse error";
+ r = asn1mpint(&el->hd);
+ if(r == nil)
goto end;
- }
- *psigalg = &el->hd;
- if(memcmp(digest->data, edigest, digest->len) == 0)
+ el = el->tl;
+ s = asn1mpint(&el->hd);
+ if(s == nil)
goto end;
- err = "digests did not match";
-
+ if(ecdsaverify(dom, pub, edigest, edigestlen, r, s))
+ err = nil;
end:
- if(pkcs1 != nil)
- mpfree(pkcs1);
- if(pkcs1buf != nil)
- free(pkcs1buf);
+ freevalfields(&e.val);
+ mpfree(s);
+ mpfree(r);
return err;
}
-RSApub*
-X509toRSApub(uchar *cert, int ncert, char *name, int nname)
+static void
+copysubject(char *name, int nname, char *subject)
{
char *e;
- Bytes *b;
+
+ if(name == nil)
+ return;
+ memset(name, 0, nname);
+ if(subject == nil)
+ return;
+ strncpy(name, subject, nname-1);
+ e = strchr(name, ',');
+ if(e != nil)
+ *e = 0; /* take just CN part of Distinguished Name */
+}
+
+ECpub*
+X509toECpub(uchar *cert, int ncert, char *name, int nname, ECdomain *dom)
+{
CertX509 *c;
- RSApub *pk;
+ ECpub *pub;
- b = makebytes(cert, ncert);
- c = decode_cert(b);
- freebytes(b);
+ c = decode_cert(cert, ncert);
if(c == nil)
return nil;
- if(name != nil && c->subject != nil){
- e = strchr(c->subject, ',');
- if(e != nil)
- *e = 0; /* take just CN part of Distinguished Name */
- strncpy(name, c->subject, nname);
+ copysubject(name, nname, c->subject);
+ appendaltnames(name, nname, c->ext, 0);
+ pub = nil;
+ if(c->publickey_alg == ALG_ecPublicKey){
+ ecdominit(dom, namedcurves[c->curve]);
+ pub = ecdecodepub(dom, c->publickey->data, c->publickey->len);
+ if(pub == nil)
+ ecdomfree(dom);
}
- pk = decode_rsapubkey(c->publickey);
freecert(c);
- return pk;
+ return pub;
}
-int
-getalgo(Elem *e)
+char*
+X509ecdsaverify(uchar *cert, int ncert, ECdomain *dom, ECpub *pk)
{
- Value *v;
- Elist *el;
- int a;
+ char *e;
+ CertX509 *c;
+ int digestlen;
+ uchar digest[MAXdlen];
- if((a = parse_alg(e)) >= 0)
- return a;
- v = &e->val;
- if(v->tag == VSeq){
- print("Seq\n");
- for(el = v->u.seqval; el!=nil; el = el->tl){
- if((a = getalgo(&el->hd)) >= 0)
- return a;
- }
+ c = decode_cert(cert, ncert);
+ if(c == nil)
+ return "cannot decode cert";
+ digestlen = digest_certinfo(cert, ncert, digestalg[c->signature_alg], digest);
+ if(digestlen <= 0){
+ freecert(c);
+ return "cannot decode certinfo";
}
- return -1;
+ e = X509ecdsaverifydigest(c->signature->data, c->signature->len, digest, digestlen, dom, pk);
+ freecert(c);
+ return e;
}
-static void edump(Elem e);
-
RSApub*
-asn1toRSApub(uchar *der, int nder)
+X509toRSApub(uchar *cert, int ncert, char *name, int nname)
{
- Elem e;
- Elist *el, *l;
- int n;
- Bits *b;
- RSApub *key;
- mpint *mp;
+ CertX509 *c;
+ RSApub *pub;
- if(decode(der, nder, &e) != ASN_OK){
- print("didn't parse\n");
- return nil;
- }
- if(!is_seq(&e, &el)){
- print("no seq");
- return nil;
- }
- if((n = elistlen(el)) != 2){
- print("bad length %d\n", n);
- return nil;
- }
- if((n = getalgo(&el->hd)) < 0){
- print("no algo\n");
- return nil;
- }
- if(n != 0){
- print("cant do algorithm %d\n", n);
- return nil;
- }
- if(!is_bitstring(&el->tl->hd, &b)){
- print("no bits\n");
- return nil;
- }
- if(decode(b->data, b->len, &e) != ASN_OK){
- print("no second decode\n");
- return nil;
- }
- if(!is_seq(&e, &el)){
- print("no second seq\n");
- return nil;
- }
- if(elistlen(el) != 2){
- print("no second length\n");
+ c = decode_cert(cert, ncert);
+ if(c == nil)
return nil;
- }
- key = rsapuballoc();
-
- l = el;
-
- key->n = mp = asn1mpint(&el->hd);
- if(mp == nil)
- goto errret;
-
- el = el->tl;
- key->ek = mp = asn1mpint(&el->hd);
- if(mp == nil)
- goto errret;
-
- if(l != nil)
- freeelist(l);
- return key;
-errret:
- if(l != nil)
- freeelist(l);
- rsapubfree(key);
- return nil;
+ copysubject(name, nname, c->subject);
+ appendaltnames(name, nname, c->ext, 0);
+ pub = nil;
+ if(c->publickey_alg == ALG_rsaEncryption)
+ pub = asn1toRSApub(c->publickey->data, c->publickey->len);
+ freecert(c);
+ return pub;
}
char*
-X509verify(uchar *cert, int ncert, RSApub *pk)
+X509rsaverify(uchar *cert, int ncert, RSApub *pk)
{
char *e;
- Bytes *b;
CertX509 *c;
- uchar digest[SHA1dlen];
- Elem *sigalg;
+ int digestlen;
+ uchar digest[MAXdlen];
- b = makebytes(cert, ncert);
- c = decode_cert(b);
- if(c != nil)
- digest_certinfo(b, digestalg[c->signature_alg], digest);
- freebytes(b);
+ c = decode_cert(cert, ncert);
if(c == nil)
return "cannot decode cert";
- e = verify_signature(c->signature, pk, digest, &sigalg);
+ digestlen = digest_certinfo(cert, ncert, digestalg[c->signature_alg], digest);
+ if(digestlen <= 0){
+ freecert(c);
+ return "cannot decode certinfo";
+ }
+ e = X509rsaverifydigest(c->signature->data, c->signature->len, digest, digestlen, pk);
freecert(c);
return e;
}
@@ -2353,25 +2446,50 @@
mkbigint(mpint *p)
{
Elem e;
- uchar *buf;
- int buflen;
e.tag.class = Universal;
e.tag.num = INTEGER;
e.val.tag = VBigInt;
- buflen = mptobe(p, nil, 0, &buf);
- e.val.u.bigintval = makebytes(buf, buflen);
- free(buf);
+ e.val.u.bigintval = newbytes((mpsignif(p)+8)/8);
+ if(p->sign < 0){
+ mpint *s = mpnew(e.val.u.bigintval->len*8+1);
+ mpleft(mpone, e.val.u.bigintval->len*8, s);
+ mpadd(p, s, s);
+ mptober(s, e.val.u.bigintval->data, e.val.u.bigintval->len);
+ mpfree(s);
+ } else {
+ mptober(p, e.val.u.bigintval->data, e.val.u.bigintval->len);
+ }
return e;
}
+static int
+printable(char *s)
+{
+ int c;
+
+ while((c = (uchar)*s++) != 0){
+ if((c >= 'a' && c <= 'z')
+ || (c >= 'A' && c <= 'Z')
+ || (c >= '0' && c <= '9')
+ || strchr("'=()+,-./:? ", c) != nil)
+ continue;
+ return 0;
+ }
+ return 1;
+}
+
+#define DirectoryString 0
+
static Elem
-mkstring(char *s)
+mkstring(char *s, int t)
{
Elem e;
+ if(t == DirectoryString)
+ t = printable(s) ? PrintableString : UTF8String;
e.tag.class = Universal;
- e.tag.num = IA5String;
+ e.tag.num = t;
e.val.tag = VString;
e.val.u.stringval = estrdup(s);
return e;
@@ -2411,7 +2529,7 @@
e.tag.class = Universal;
e.tag.num = UTCTime;
e.val.tag = VString;
- snprint(utc, 50, "%.2d%.2d%.2d%.2d%.2d%.2dZ",
+ snprint(utc, sizeof(utc), "%.2d%.2d%.2d%.2d%.2d%.2dZ",
tm->year % 100, tm->mon+1, tm->mday, tm->hour, tm->min, tm->sec);
e.val.u.stringval = estrdup(utc);
return e;
@@ -2460,24 +2578,26 @@
}
typedef struct Ints7pref {
- int len;
- int data[7];
+ int len;
+ int data[7];
char prefix[4];
+ int stype;
} Ints7pref;
Ints7pref DN_oid[] = {
- {4, 2, 5, 4, 6, 0, 0, 0, "C="},
- {4, 2, 5, 4, 8, 0, 0, 0, "ST="},
- {4, 2, 5, 4, 7, 0, 0, 0, "L="},
- {4, 2, 5, 4, 10, 0, 0, 0, "O="},
- {4, 2, 5, 4, 11, 0, 0, 0, "OU="},
- {4, 2, 5, 4, 3, 0, 0, 0, "CN="},
- {7, 1,2,840,113549,1,9,1, "E="},
+ {4, 2, 5, 4, 6, 0, 0, 0, "C=", PrintableString},
+ {4, 2, 5, 4, 8, 0, 0, 0, "ST=",DirectoryString},
+ {4, 2, 5, 4, 7, 0, 0, 0, "L=", DirectoryString},
+ {4, 2, 5, 4, 10, 0, 0, 0, "O=", DirectoryString},
+ {4, 2, 5, 4, 11, 0, 0, 0, "OU=",DirectoryString},
+ {4, 2, 5, 4, 3, 0, 0, 0, "CN=",DirectoryString},
+ {7, 1,2,840,113549,1,9,1, "E=", IA5String},
+ {7, 0,9,2342,19200300,100,1,25, "DC=",IA5String},
};
static Elem
mkname(Ints7pref *oid, char *subj)
{
- return mkset(mkel(mkseq(mkel(mkoid((Ints*)oid), mkel(mkstring(subj), nil))), nil));
+ return mkset(mkel(mkseq(mkel(mkoid((Ints*)oid), mkel(mkstring(subj, oid->stype), nil))), nil));
}
static Elem
@@ -2501,167 +2621,519 @@
return mkseq(el);
}
-uchar*
-RSApubtoasn1(RSApub *pub, int *keylen)
+/*
+ * DigestInfo ::= SEQUENCE {
+ * digestAlgorithm AlgorithmIdentifier,
+ * digest OCTET STRING }
+ */
+static Bytes*
+encode_digest(DigestAlg *da, uchar *digest)
{
- Elem pubkey;
- Bytes *pkbytes;
- uchar *key;
+ Bytes *b = nil;
+ Elem e = mkseq(
+ mkel(mkalg(da->alg),
+ mkel(mkoctet(digest, da->len),
+ nil)));
+ encode(e, &b);
+ freevalfields(&e.val);
+ return b;
+}
- key = nil;
- pubkey = mkseq(mkel(mkbigint(pub->n),mkel(mkint(mptoi(pub->ek)),nil)));
- if(encode(pubkey, &pkbytes) != ASN_OK)
- goto errret;
- freevalfields(&pubkey.val);
- pubkey = mkseq(
- mkel(mkalg(ALG_rsaEncryption),
- mkel(mkbits(pkbytes->data, pkbytes->len),
+int
+asn1encodedigest(DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*), uchar *digest, uchar *buf, int len)
+{
+ Bytes *bytes;
+ DigestAlg **dp;
+
+ for(dp = digestalg; *dp != nil; dp++){
+ if((*dp)->fun != fun)
+ continue;
+ bytes = encode_digest(*dp, digest);
+ if(bytes == nil)
+ break;
+ if(bytes->len > len){
+ freebytes(bytes);
+ break;
+ }
+ len = bytes->len;
+ memmove(buf, bytes->data, len);
+ freebytes(bytes);
+ return len;
+ }
+ return -1;
+}
+
+static Elem
+mkcont(int num, Elist *l)
+{
+ Elem e = mkseq(l);
+ e.tag.class = Context;
+ e.tag.num = num;
+ return e;
+}
+
+static Elem
+mkaltname(char *s)
+{
+ Elem e;
+ int i;
+
+ for(i=0; i<nelem(DN_oid); i++){
+ if(strstr(s, DN_oid[i].prefix) != nil)
+ return mkcont(4, mkel(mkDN(s), nil)); /* DN */
+ }
+ e = mkstring(s, IA5String);
+ e.tag.class = Context;
+ e.tag.num = strchr(s, '@') != nil ? 1 : 2; /* email : DNS */
+ return e;
+}
+
+static Elist*
+mkaltnames(char *alts)
+{
+ Elist *el;
+ char *s, *p;
+
+ if(alts == nil)
+ return nil;
+
+ el = nil;
+ alts = estrdup(alts);
+ for(s = alts; s != nil; s = p){
+ while(*s == ' ')
+ s++;
+ if(*s == '\0')
+ break;
+ if((p = strchr(s, ',')) != nil)
+ *p++ = 0;
+ el = mkel(mkaltname(s), el);
+ }
+ free(alts);
+ return el;
+}
+
+static Elist*
+mkextel(Elem e, Ints *oid, Elist *el)
+{
+ Bytes *b = nil;
+
+ if(encode(e, &b) == ASN_OK){
+ el = mkel(mkseq(
+ mkel(mkoid(oid),
+ mkel(mkoctet(b->data, b->len),
+ nil))), el);
+ freebytes(b);
+ }
+ freevalfields(&e.val);
+ return el;
+}
+
+static Ints15 oid_subjectAltName = {4, 2, 5, 29, 17 };
+static Ints15 oid_extensionRequest = { 7, 1, 2, 840, 113549, 1, 9, 14};
+
+static Elist*
+mkextensions(char *alts, int isreq)
+{
+ Elist *sl, *xl;
+
+ xl = nil;
+ if((sl = mkaltnames(alts)) != nil)
+ xl = mkextel(mkseq(sl), (Ints*)&oid_subjectAltName, xl);
+ if(xl != nil){
+ xl = mkel(mkseq(xl), nil);
+ if(isreq)
+ xl = mkel(mkseq(
+ mkel(mkoid((Ints*)&oid_extensionRequest),
+ mkel(mkset(xl), nil))), nil);
+ }
+ if(isreq)
+ xl = mkel(mkcont(0, xl), nil);
+ else if(xl != nil)
+ xl = mkel(mkcont(3, xl), nil);
+ return xl;
+}
+
+static char*
+splitalts(char *s)
+{
+ int q;
+
+ for(q = 0; *s != '\0'; s++){
+ if(*s == '\'')
+ q ^= 1;
+ else if(q == 0 && *s == ','){
+ *s++ = 0;
+ return s;
+ }
+ }
+ return nil;
+}
+
+static void
+appendaltnames(char *name, int nname, Bytes *ext, int isreq)
+{
+ Elem eext, ealt, edn;
+ Elist *el, *l;
+ Ints *oid;
+ char *alt, *e;
+ int len;
+
+ if(name == nil || ext == nil)
+ return;
+ if(decode(ext->data, ext->len, &eext) != ASN_OK)
+ return;
+ if(isreq){
+ if(!is_seq(&eext, &el) || elistlen(el) != 2)
+ goto errext;
+ if(!is_oid(&el->hd, &oid) || !ints_eq(oid, (Ints*)&oid_extensionRequest))
+ goto errext;
+ el = el->tl;
+ if(!is_set(&el->hd, &el))
+ goto errext;
+ if(!is_seq(&el->hd, &el))
+ goto errext;
+ } else {
+ if(!is_seq(&eext, &el))
+ goto errext;
+ }
+ for(; el != nil; el = el->tl){
+ if(!is_seq(&el->hd, &l) || elistlen(l) != 2)
+ goto errext;
+ if(!is_oid(&l->hd, &oid) || !ints_eq(oid, (Ints*)&oid_subjectAltName))
+ continue;
+ el = l->tl;
+ break;
+ }
+ if(el == nil)
+ goto errext;
+ if(!is_octetstring(&el->hd, &ext))
+ goto errext;
+ if(decode(ext->data, ext->len, &ealt) != ASN_OK)
+ goto errext;
+ if(!is_seq(&ealt, &el))
+ goto erralt;
+ for(; el != nil; el = el->tl){
+ ext = el->hd.val.u.octetsval;
+ switch(el->hd.tag.num){
+ default:
+ continue;
+ case 1: /* email */
+ case 2: /* DNS */
+ if(el->hd.val.tag != VOctets)
+ goto erralt;
+ alt = smprint("%.*s", ext->len, (char*)ext->data);
+ break;
+ case 4: /* DN */
+ if(el->hd.val.tag != VOctets
+ || decode(ext->data, ext->len, &edn) != ASN_OK)
+ goto erralt;
+ alt = parse_name(&edn);
+ freevalfields(&edn.val);
+ break;
+ }
+ if(alt == nil)
+ goto erralt;
+ /* take just CN part of Distinguished Name */
+ if((e = strchr(alt, ',')) != nil)
+ *e = '\0';
+ len = strlen(alt);
+ if(strncmp(name, alt, len) == 0 && strchr(",", name[len]) != nil){
+ free(alt); /* same as the subject */
+ continue;
+ }
+ if(name[0] != '\0')
+ strncat(name, ", ", nname-1);
+ strncat(name, alt, nname-1);
+ free(alt);
+ }
+erralt:
+ freevalfields(&ealt.val);
+errext:
+ freevalfields(&eext.val);
+}
+
+static Bytes*
+encode_rsapubkey(RSApub *pk)
+{
+ Bytes *b = nil;
+ Elem e = mkseq(
+ mkel(mkbigint(pk->n),
+ mkel(mpsignif(pk->ek)<32 ? mkint(mptoi(pk->ek)) : mkbigint(pk->ek),
nil)));
- freebytes(pkbytes);
- if(encode(pubkey, &pkbytes) != ASN_OK)
- goto errret;
- if(keylen)
- *keylen = pkbytes->len;
- key = malloc(pkbytes->len);
- memmove(key, pkbytes->data, pkbytes->len);
- free(pkbytes);
-errret:
- freevalfields(&pubkey.val);
- return key;
+ encode(e, &b);
+ freevalfields(&e.val);
+ return b;
+}
+
+static Bytes*
+encode_rsaprivkey(RSApriv *k)
+{
+ Bytes *b = nil;
+ RSApub *pk = &k->pub;
+ Elem e = mkseq(
+ mkel(mkint(0),
+ mkel(mkbigint(pk->n),
+ mkel(mpsignif(pk->ek)<32 ? mkint(mptoi(pk->ek)) : mkbigint(pk->ek),
+ mkel(mkbigint(k->dk),
+ mkel(mkbigint(k->p),
+ mkel(mkbigint(k->q),
+ mkel(mkbigint(k->kp),
+ mkel(mkbigint(k->kq),
+ mkel(mkbigint(k->c2),
+ nil))))))))));
+ encode(e, &b);
+ freevalfields(&e.val);
+ return b;
+}
+
+int
+asn1encodeRSApub(RSApub *pk, uchar *buf, int len)
+{
+ Bytes *b = encode_rsapubkey(pk);
+ if(b == nil)
+ return -1;
+ if(b->len > len){
+ freebytes(b);
+ werrstr("buffer too small");
+ return -1;
+ }
+ memmove(buf, b->data, len = b->len);
+ freebytes(b);
+ return len;
+}
+
+int
+asn1encodeRSApriv(RSApriv *k, uchar *buf, int len)
+{
+ Bytes *b;
+ b = encode_rsaprivkey(k);
+ if(b == nil)
+ return -1;
+ if(b->len > len){
+ freebytes(b);
+ werrstr("buffer too small");
+ return -1;
+ }
+ memmove(buf, b->data, len = b->len);
+ freebytes(b);
+ return len;
}
uchar*
-X509gen(RSApriv *priv, char *subj, ulong valid[2], int *certlen)
+X509rsagen(RSApriv *priv, char *subj, ulong valid[2], int *certlen)
{
- int serial = 0;
+ int serial = 0, sigalg = ALG_sha256WithRSAEncryption;
uchar *cert = nil;
- RSApub *pk = rsaprivtopub(priv);
Bytes *certbytes, *pkbytes, *certinfobytes, *sigbytes;
- Elem e, certinfo, issuer, subject, pubkey, validity, sig;
- uchar digest[SHA2_256dlen], *buf;
+ Elem e, certinfo;
+ DigestAlg *da;
+ uchar digest[MAXdlen], *buf;
int buflen;
mpint *pkcs1;
+ char *alts;
- e.val.tag = VInt; /* so freevalfields at errret is no-op */
- issuer = mkDN(subj);
- subject = mkDN(subj);
- pubkey = mkseq(mkel(mkbigint(pk->n),mkel(mkint(mptoi(pk->ek)),nil)));
- if(encode(pubkey, &pkbytes) != ASN_OK)
- goto errret;
- freevalfields(&pubkey.val);
- pubkey = mkseq(
- mkel(mkalg(ALG_rsaEncryption),
- mkel(mkbits(pkbytes->data, pkbytes->len),
- nil)));
- freebytes(pkbytes);
- validity = mkseq(
- mkel(mkutc(valid[0]),
- mkel(mkutc(valid[1]),
- nil)));
- certinfo = mkseq(
+ if((pkbytes = encode_rsapubkey(&priv->pub)) == nil)
+ return nil;
+
+ subj = estrdup(subj);
+ alts = splitalts(subj);
+
+ e = mkseq(
+ mkel(mkcont(0, mkel(mkint(2), nil)),
mkel(mkint(serial),
- mkel(mkalg(ALG_sha256WithRSAEncryption),
- mkel(issuer,
- mkel(validity,
- mkel(subject,
- mkel(pubkey,
- nil)))))));
- if(encode(certinfo, &certinfobytes) != ASN_OK)
+ mkel(mkalg(sigalg),
+ mkel(mkDN(subj),
+ mkel(mkseq(
+ mkel(mkutc(valid[0]),
+ mkel(mkutc(valid[1]),
+ nil))),
+ mkel(mkDN(subj),
+ mkel(mkseq(
+ mkel(mkalg(ALG_rsaEncryption),
+ mkel(mkbits(pkbytes->data, pkbytes->len),
+ nil))),
+ mkextensions(alts, 0)))))))));
+ freebytes(pkbytes);
+ if(encode(e, &certinfobytes) != ASN_OK)
goto errret;
- sha2_256(certinfobytes->data, certinfobytes->len, digest, 0);
+
+ da = digestalg[sigalg];
+ (*da->fun)(certinfobytes->data, certinfobytes->len, digest, 0);
freebytes(certinfobytes);
- sig = mkseq(
- mkel(mkalg(ALG_sha256),
- mkel(mkoctet(digest, SHA2_256dlen),
- nil)));
- if(encode(sig, &sigbytes) != ASN_OK)
+ certinfo = e;
+
+ sigbytes = encode_digest(da, digest);
+ if(sigbytes == nil)
goto errret;
- pkcs1 = pkcs1pad(sigbytes, pk->n);
+ pkcs1 = pkcs1padbuf(sigbytes->data, sigbytes->len, priv->pub.n, 1);
freebytes(sigbytes);
+ if(pkcs1 == nil)
+ goto errret;
+
rsadecrypt(priv, pkcs1, pkcs1);
buflen = mptobe(pkcs1, nil, 0, &buf);
mpfree(pkcs1);
e = mkseq(
mkel(certinfo,
- mkel(mkalg(ALG_sha256WithRSAEncryption),
+ mkel(mkalg(sigalg),
mkel(mkbits(buf, buflen),
nil))));
free(buf);
if(encode(e, &certbytes) != ASN_OK)
goto errret;
- if(certlen)
+ if(certlen != nil)
*certlen = certbytes->len;
- cert = certbytes->data;
+ cert = (uchar*)certbytes;
+ memmove(cert, certbytes->data, certbytes->len);
errret:
freevalfields(&e.val);
+ free(subj);
return cert;
}
uchar*
-X509req(RSApriv *priv, char *subj, int *certlen)
+X509rsareq(RSApriv *priv, char *subj, int *certlen)
{
/* RFC 2314, PKCS #10 Certification Request Syntax */
- int version = 0;
+ int version = 0, sigalg = ALG_sha256WithRSAEncryption;
uchar *cert = nil;
- RSApub *pk = rsaprivtopub(priv);
Bytes *certbytes, *pkbytes, *certinfobytes, *sigbytes;
- Elem e, certinfo, subject, pubkey, sig;
- uchar digest[SHA2_256dlen], *buf;
+ Elem e, certinfo;
+ DigestAlg *da;
+ uchar digest[MAXdlen], *buf;
int buflen;
mpint *pkcs1;
+ char *alts;
- e.val.tag = VInt; /* so freevalfields at errret is no-op */
- subject = mkDN(subj);
- pubkey = mkseq(mkel(mkbigint(pk->n),mkel(mkint(mptoi(pk->ek)),nil)));
- if(encode(pubkey, &pkbytes) != ASN_OK)
- goto errret;
- freevalfields(&pubkey.val);
- pubkey = mkseq(
- mkel(mkalg(ALG_rsaEncryption),
- mkel(mkbits(pkbytes->data, pkbytes->len),
- nil)));
- freebytes(pkbytes);
- certinfo = mkseq(
+ if((pkbytes = encode_rsapubkey(&priv->pub)) == nil)
+ return nil;
+
+ subj = estrdup(subj);
+ alts = splitalts(subj);
+
+ e = mkseq(
mkel(mkint(version),
- mkel(subject,
- mkel(pubkey,
- nil))));
- if(encode(certinfo, &certinfobytes) != ASN_OK)
+ mkel(mkDN(subj),
+ mkel(mkseq(
+ mkel(mkalg(ALG_rsaEncryption),
+ mkel(mkbits(pkbytes->data, pkbytes->len),
+ nil))),
+ mkextensions(alts, 1)))));
+ freebytes(pkbytes);
+ if(encode(e, &certinfobytes) != ASN_OK)
goto errret;
- sha2_256(certinfobytes->data, certinfobytes->len, digest, 0);
+ da = digestalg[sigalg];
+ (*da->fun)(certinfobytes->data, certinfobytes->len, digest, 0);
freebytes(certinfobytes);
- sig = mkseq(
- mkel(mkalg(ALG_sha256),
- mkel(mkoctet(digest, SHA2_256dlen),
- nil)));
- if(encode(sig, &sigbytes) != ASN_OK)
+ certinfo = e;
+
+ sigbytes = encode_digest(da, digest);
+ if(sigbytes == nil)
goto errret;
- pkcs1 = pkcs1pad(sigbytes, pk->n);
+ pkcs1 = pkcs1padbuf(sigbytes->data, sigbytes->len, priv->pub.n, 1);
freebytes(sigbytes);
+ if(pkcs1 == nil)
+ goto errret;
+
rsadecrypt(priv, pkcs1, pkcs1);
buflen = mptobe(pkcs1, nil, 0, &buf);
mpfree(pkcs1);
e = mkseq(
mkel(certinfo,
- mkel(mkalg(ALG_sha256),
+ mkel(mkalg(sigalg),
mkel(mkbits(buf, buflen),
nil))));
free(buf);
if(encode(e, &certbytes) != ASN_OK)
goto errret;
- if(certlen)
+ if(certlen != nil)
*certlen = certbytes->len;
- cert = certbytes->data;
+ cert = (uchar*)certbytes;
+ memmove(cert, certbytes->data, certbytes->len);
errret:
freevalfields(&e.val);
+ free(subj);
return cert;
}
+RSApub*
+X509reqtoRSApub(uchar *req, int nreq, char *name, int nname)
+{
+ Elem ereq;
+ Elist *el;
+ char *subject;
+ Bits *bits;
+ RSApub *pub;
+
+ pub = nil;
+ if(decode(req, nreq, &ereq) != ASN_OK)
+ goto errret;
+ if(!is_seq(&ereq, &el) || elistlen(el) != 3)
+ goto errret;
+ if(!is_seq(&el->hd, &el) || elistlen(el) < 3)
+ goto errret;
+ el = el->tl;
+ subject = parse_name(&el->hd);
+ if(subject == nil)
+ goto errret;
+ copysubject(name, nname, subject);
+ free(subject);
+ el = el->tl;
+ if(el->tl != nil
+ && el->tl->hd.tag.class == Context
+ && el->tl->hd.tag.num == 0
+ && el->tl->hd.val.tag == VOctets)
+ appendaltnames(name, nname, el->tl->hd.val.u.octetsval, 1);
+ if(!is_seq(&el->hd, &el) || elistlen(el) != 2)
+ goto errret;
+ if(parse_alg(&el->hd) != ALG_rsaEncryption)
+ goto errret;
+ el = el->tl;
+ if(!is_bitstring(&el->hd, &bits))
+ goto errret;
+ pub = asn1toRSApub(bits->data, bits->len);
+ if(pub == nil)
+ goto errret;
+errret:
+ freevalfields(&ereq.val);
+ return pub;
+}
+
+static void
+digestSPKI(int alg, uchar *pubkey, int npubkey, DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*), uchar *digest)
+{
+ Bytes *b = nil;
+ Elem e = mkseq(mkel(mkalg(alg), mkel(mkbits(pubkey, npubkey), nil)));
+ encode(e, &b);
+ freevalfields(&e.val);
+ (*fun)(b->data, b->len, digest, nil);
+ freebytes(b);
+}
+
+int
+X509digestSPKI(uchar *cert, int ncert, DigestState* (*fun)(uchar*, ulong, uchar*, DigestState*), uchar *digest)
+{
+ CertX509 *c;
+
+ c = decode_cert(cert, ncert);
+ if(c == nil){
+ werrstr("cannot decode cert");
+ return -1;
+ }
+ digestSPKI(c->publickey_alg, c->publickey->data, c->publickey->len, fun, digest);
+ freecert(c);
+ return 0;
+}
+
static char*
tagdump(Tag tag)
{
- if(tag.class != Universal)
- return smprint("class%d,num%d", tag.class, tag.num);
+ static char buf[32];
+
+ if(tag.class != Universal){
+ snprint(buf, sizeof(buf), "class%d,num%d", tag.class, tag.num);
+ return buf;
+ }
switch(tag.num){
case BOOLEAN: return "BOOLEAN";
case INTEGER: return "INTEGER";
@@ -2690,7 +3162,8 @@
case UniversalString: return "UniversalString";
case BMPString: return "BMPString";
default:
- return smprint("Universal,num%d", tag.num);
+ snprint(buf, sizeof(buf), "Universal,num%d", tag.num);
+ return buf;
}
}
@@ -2710,10 +3183,7 @@
case VBigInt: print("BigInt[%d] %.2x%.2x...",v.u.bigintval->len,v.u.bigintval->data[0],v.u.bigintval->data[1]); break;
case VReal: print("Real..."); break;
case VOther: print("Other..."); break;
- case VBitString: print("BitString");
- for(i = 0; i<v.u.bitstringval->len; i++)
- print(" %02x", v.u.bitstringval->data[i]);
- break;
+ case VBitString: print("BitString[%d]...", v.u.bitstringval->len*8 - v.u.bitstringval->unusedbits); break;
case VNull: print("Null"); break;
case VEOC: print("EOC..."); break;
case VObjId: print("ObjId");
@@ -2749,20 +3219,24 @@
X509dump(uchar *cert, int ncert)
{
char *e;
- Bytes *b;
CertX509 *c;
- RSApub *pk;
- uchar digest[SHA1dlen];
- Elem *sigalg;
+ RSApub *rsapub;
+ ECpub *ecpub;
+ ECdomain ecdom;
+ int digestlen;
+ uchar digest[MAXdlen];
print("begin X509dump\n");
- b = makebytes(cert, ncert);
- c = decode_cert(b);
- if(c != nil)
- digest_certinfo(b, digestalg[c->signature_alg], digest);
- freebytes(b);
+ c = decode_cert(cert, ncert);
if(c == nil){
- print("cannot decode cert");
+ print("cannot decode cert\n");
+ return;
+ }
+
+ digestlen = digest_certinfo(cert, ncert, digestalg[c->signature_alg], digest);
+ if(digestlen <= 0){
+ freecert(c);
+ print("cannot decode certinfo\n");
return;
}
@@ -2770,20 +3244,47 @@
print("issuer %s\n", c->issuer);
print("validity %s %s\n", c->validity_start, c->validity_end);
print("subject %s\n", c->subject);
- pk = decode_rsapubkey(c->publickey);
- print("pubkey e=%B n(%d)=%B\n", pk->ek, mpsignif(pk->n), pk->n);
-
- print("sigalg=%d digest=%.*H\n", c->signature_alg, SHA2_256dlen, digest);
- e = verify_signature(c->signature, pk, digest, &sigalg);
- if(e==nil){
- e = "nil (meaning ok)";
- print("sigalg=\n");
- if(sigalg)
- edump(*sigalg);
+ print("sigalg=%d digest=%.*H\n", c->signature_alg, digestlen, digest);
+ print("publickey_alg=%d pubkey[%d] %.*H\n", c->publickey_alg, c->publickey->len,
+ c->publickey->len, c->publickey->data);
+
+ switch(c->publickey_alg){
+ case ALG_rsaEncryption:
+ rsapub = asn1toRSApub(c->publickey->data, c->publickey->len);
+ if(rsapub != nil){
+ print("rsa pubkey e=%B n(%d)=%B\n", rsapub->ek, mpsignif(rsapub->n), rsapub->n);
+ e = X509rsaverifydigest(c->signature->data, c->signature->len,
+ digest, digestlen, rsapub);
+ if(e==nil)
+ e = "nil (meaning ok)";
+ print("self-signed X509rsaverifydigest returns: %s\n", e);
+ rsapubfree(rsapub);
+ }
+ break;
+ case ALG_ecPublicKey:
+ ecdominit(&ecdom, namedcurves[c->curve]);
+ ecpub = ecdecodepub(&ecdom, c->publickey->data, c->publickey->len);
+ if(ecpub != nil){
+ e = X509ecdsaverifydigest(c->signature->data, c->signature->len,
+ digest, digestlen, &ecdom, ecpub);
+ if(e==nil)
+ e = "nil (meaning ok)";
+ print("self-signed X509ecdsaverifydigest returns: %s\n", e);
+ ecpubfree(ecpub);
+ }
+ ecdomfree(&ecdom);
+ break;
}
- print("self-signed verify_signature returns: %s\n", e);
- rsapubfree(pk);
+ digestSPKI(c->publickey_alg, c->publickey->data, c->publickey->len, sha2_256, digest);
+ print("publickey_thumbprint sha256=%.*[\n", SHA2_256dlen, digest);
+
+ sha2_256(cert, ncert, digest, nil);
+ print("cert_thumbprint sha256=%.*[\n", SHA2_256dlen, digest);
+
+ sha1(cert, ncert, digest, nil);
+ print("cert_thumbprint sha1=%.*H\n", SHA1dlen, digest);
+
freecert(c);
print("end X509dump\n");
}