dropbear: sha256.c annotate

annotate sha256.c @ 0:d7da3b1e1540 libtomcrypt

put back the 0.95 makefile which was inadvertently merged over

author	Matt Johnston <matt@ucc.asn.au>
date	Mon, 31 May 2004 18:21:40 +0000
parents
children	6362d3854bb4

rev	line source
0 d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	2 *
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	3 * LibTomCrypt is a library that provides various cryptographic
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	4 * algorithms in a highly modular and flexible manner.
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	5 *
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	6 * The library is free for all purposes without any express
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	7 * guarantee it works.
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	8 *
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	9 * Tom St Denis, [email protected], http://libtomcrypt.org
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	10 */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	11
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	12
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	13 /* SHA256 by Tom St Denis */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	14
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	15 #include "mycrypt.h"
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	16
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	17 #ifdef SHA256
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	18
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	19 const struct _hash_descriptor sha256_desc =
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	20 {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	21 "sha256",
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	22 0,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	23 32,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	24 64,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	25 &sha256_init,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	26 &sha256_process,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	27 &sha256_done,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	28 &sha256_test
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	29 };
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	30
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	31 /* the K array */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	32 static const unsigned long K[64] = {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	33 0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, 0x3956c25bUL,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	34 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, 0xd807aa98UL, 0x12835b01UL,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	35 0x243185beUL, 0x550c7dc3UL, 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	36 0xc19bf174UL, 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	37 0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL, 0x983e5152UL,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	38 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL, 0xc6e00bf3UL, 0xd5a79147UL,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	39 0x06ca6351UL, 0x14292967UL, 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	40 0x53380d13UL, 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	41 0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL, 0xd192e819UL,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	42 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL, 0x19a4c116UL, 0x1e376c08UL,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	43 0x2748774cUL, 0x34b0bcb5UL, 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	44 0x682e6ff3UL, 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	45 0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	46 };
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	47
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	48 /* Various logical functions */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	49 #define Ch(x,y,z) (z ^ (x & (y ^ z)))
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	50 #define Maj(x,y,z) (((x \| y) & z) \| (x & y))
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	51 #define S(x, n) ROR((x),(n))
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	52 #define R(x, n) (((x)&0xFFFFFFFFUL)>>(n))
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	53 #define Sigma0(x) (S(x, 2) ^ S(x, 13) ^ S(x, 22))
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	54 #define Sigma1(x) (S(x, 6) ^ S(x, 11) ^ S(x, 25))
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	55 #define Gamma0(x) (S(x, 7) ^ S(x, 18) ^ R(x, 3))
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	56 #define Gamma1(x) (S(x, 17) ^ S(x, 19) ^ R(x, 10))
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	57
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	58 /* compress 512-bits */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	59 #ifdef CLEAN_STACK
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	60 static void _sha256_compress(hash_state * md, unsigned char *buf)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	61 #else
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	62 static void sha256_compress(hash_state * md, unsigned char *buf)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	63 #endif
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	64 {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	65 ulong32 S[8], W[64], t0, t1;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	66 int i;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	67
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	68 /* copy state into S */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	69 for (i = 0; i < 8; i++) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	70 S[i] = md->sha256.state[i];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	71 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	72
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	73 /* copy the state into 512-bits into W[0..15] */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	74 for (i = 0; i < 16; i++) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	75 LOAD32H(W[i], buf + (4*i));
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	76 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	77
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	78 /* fill W[16..63] */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	79 for (i = 16; i < 64; i++) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	80 W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	81 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	82
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	83 /* Compress */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	84 #ifdef SMALL_CODE
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	85 #define RND(a,b,c,d,e,f,g,h,i) \
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	86 t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i]; \
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	87 t1 = Sigma0(a) + Maj(a, b, c); \
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	88 d += t0; \
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	89 h = t0 + t1;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	90
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	91 for (i = 0; i < 64; i += 8) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	92 RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],i+0);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	93 RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],i+1);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	94 RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],i+2);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	95 RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],i+3);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	96 RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],i+4);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	97 RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],i+5);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	98 RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],i+6);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	99 RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],i+7);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	100 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	101 #else
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	102 #define RND(a,b,c,d,e,f,g,h,i,ki) \
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	103 t0 = h + Sigma1(e) + Ch(e, f, g) + ki + W[i]; \
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	104 t1 = Sigma0(a) + Maj(a, b, c); \
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	105 d += t0; \
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	106 h = t0 + t1;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	107
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	108 RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],0,0x428a2f98);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	109 RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],1,0x71374491);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	110 RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],2,0xb5c0fbcf);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	111 RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],3,0xe9b5dba5);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	112 RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],4,0x3956c25b);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	113 RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],5,0x59f111f1);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	114 RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],6,0x923f82a4);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	115 RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],7,0xab1c5ed5);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	116 RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],8,0xd807aa98);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	117 RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],9,0x12835b01);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	118 RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],10,0x243185be);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	119 RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],11,0x550c7dc3);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	120 RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],12,0x72be5d74);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	121 RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],13,0x80deb1fe);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	122 RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],14,0x9bdc06a7);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	123 RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],15,0xc19bf174);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	124 RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],16,0xe49b69c1);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	125 RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],17,0xefbe4786);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	126 RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],18,0x0fc19dc6);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	127 RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],19,0x240ca1cc);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	128 RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],20,0x2de92c6f);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	129 RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],21,0x4a7484aa);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	130 RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],22,0x5cb0a9dc);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	131 RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],23,0x76f988da);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	132 RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],24,0x983e5152);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	133 RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],25,0xa831c66d);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	134 RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],26,0xb00327c8);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	135 RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],27,0xbf597fc7);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	136 RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],28,0xc6e00bf3);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	137 RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],29,0xd5a79147);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	138 RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],30,0x06ca6351);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	139 RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],31,0x14292967);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	140 RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],32,0x27b70a85);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	141 RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],33,0x2e1b2138);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	142 RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],34,0x4d2c6dfc);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	143 RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],35,0x53380d13);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	144 RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],36,0x650a7354);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	145 RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],37,0x766a0abb);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	146 RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],38,0x81c2c92e);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	147 RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],39,0x92722c85);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	148 RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],40,0xa2bfe8a1);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	149 RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],41,0xa81a664b);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	150 RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],42,0xc24b8b70);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	151 RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],43,0xc76c51a3);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	152 RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],44,0xd192e819);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	153 RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],45,0xd6990624);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	154 RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],46,0xf40e3585);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	155 RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],47,0x106aa070);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	156 RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],48,0x19a4c116);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	157 RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],49,0x1e376c08);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	158 RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],50,0x2748774c);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	159 RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],51,0x34b0bcb5);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	160 RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],52,0x391c0cb3);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	161 RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],53,0x4ed8aa4a);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	162 RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],54,0x5b9cca4f);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	163 RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],55,0x682e6ff3);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	164 RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],56,0x748f82ee);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	165 RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],57,0x78a5636f);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	166 RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],58,0x84c87814);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	167 RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],59,0x8cc70208);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	168 RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],60,0x90befffa);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	169 RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],61,0xa4506ceb);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	170 RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],62,0xbef9a3f7);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	171 RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],63,0xc67178f2);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	172
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	173 #undef RND
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	174
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	175 #endif
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	176
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	177 /* feedback */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	178 for (i = 0; i < 8; i++) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	179 md->sha256.state[i] = md->sha256.state[i] + S[i];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	180 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	181
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	182 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	183
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	184 #ifdef CLEAN_STACK
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	185 static void sha256_compress(hash_state * md, unsigned char *buf)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	186 {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	187 _sha256_compress(md, buf);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	188 burn_stack(sizeof(ulong32) * 74);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	189 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	190 #endif
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	191
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	192 /* init the sha256 state */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	193 void sha256_init(hash_state * md)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	194 {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	195 _ARGCHK(md != NULL);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	196
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	197 md->sha256.curlen = 0;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	198 md->sha256.length = 0;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	199 md->sha256.state[0] = 0x6A09E667UL;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	200 md->sha256.state[1] = 0xBB67AE85UL;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	201 md->sha256.state[2] = 0x3C6EF372UL;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	202 md->sha256.state[3] = 0xA54FF53AUL;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	203 md->sha256.state[4] = 0x510E527FUL;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	204 md->sha256.state[5] = 0x9B05688CUL;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	205 md->sha256.state[6] = 0x1F83D9ABUL;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	206 md->sha256.state[7] = 0x5BE0CD19UL;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	207 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	208
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	209 HASH_PROCESS(sha256_process, sha256_compress, sha256, 64)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	210
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	211 int sha256_done(hash_state * md, unsigned char *hash)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	212 {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	213 int i;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	214
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	215 _ARGCHK(md != NULL);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	216 _ARGCHK(hash != NULL);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	217
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	218 if (md->sha256.curlen >= sizeof(md->sha256.buf)) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	219 return CRYPT_INVALID_ARG;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	220 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	221
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	222
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	223 /* increase the length of the message */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	224 md->sha256.length += md->sha256.curlen * 8;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	225
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	226 /* append the '1' bit */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	227 md->sha256.buf[md->sha256.curlen++] = (unsigned char)0x80;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	228
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	229 /* if the length is currently above 56 bytes we append zeros
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	230 * then compress. Then we can fall back to padding zeros and length
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	231 * encoding like normal.
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	232 */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	233 if (md->sha256.curlen > 56) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	234 while (md->sha256.curlen < 64) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	235 md->sha256.buf[md->sha256.curlen++] = (unsigned char)0;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	236 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	237 sha256_compress(md, md->sha256.buf);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	238 md->sha256.curlen = 0;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	239 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	240
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	241 /* pad upto 56 bytes of zeroes */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	242 while (md->sha256.curlen < 56) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	243 md->sha256.buf[md->sha256.curlen++] = (unsigned char)0;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	244 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	245
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	246 /* store length */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	247 STORE64H(md->sha256.length, md->sha256.buf+56);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	248 sha256_compress(md, md->sha256.buf);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	249
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	250 /* copy output */
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	251 for (i = 0; i < 8; i++) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	252 STORE32H(md->sha256.state[i], hash+(4*i));
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	253 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	254 #ifdef CLEAN_STACK
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	255 zeromem(md, sizeof(hash_state));
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	256 #endif
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	257 return CRYPT_OK;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	258 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	259
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	260 int sha256_test(void)
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	261 {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	262 #ifndef LTC_TEST
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	263 return CRYPT_NOP;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	264 #else
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	265 static const struct {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	266 char *msg;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	267 unsigned char hash[32];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	268 } tests[] = {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	269 { "abc",
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	270 { 0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	271 0x41, 0x41, 0x40, 0xde, 0x5d, 0xae, 0x22, 0x23,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	272 0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	273 0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	274 },
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	275 { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	276 { 0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	277 0xe5, 0xc0, 0x26, 0x93, 0x0c, 0x3e, 0x60, 0x39,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	278 0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, 0x21, 0x67,
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	279 0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	280 },
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	281 };
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	282
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	283 int i;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	284 unsigned char tmp[32];
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	285 hash_state md;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	286
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	287 for (i = 0; i < (int)(sizeof(tests) / sizeof(tests[0])); i++) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	288 sha256_init(&md);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	289 sha256_process(&md, (unsigned char*)tests[i].msg, (unsigned long)strlen(tests[i].msg));
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	290 sha256_done(&md, tmp);
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	291 if (memcmp(tmp, tests[i].hash, 32) != 0) {
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	292 return CRYPT_FAIL_TESTVECTOR;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	293 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	294 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	295 return CRYPT_OK;
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	296 #endif
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	297 }
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	298
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	299 #ifdef SHA224
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	300 #include "sha224.c"
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	301 #endif
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	302
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	303 #endif
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	304
d7da3b1e1540 put back the 0.95 makefile which was inadvertently merged over Matt Johnston <matt@ucc.asn.au> parents: diff changeset	305

Mercurial > dropbear

annotate sha256.c @ 0:d7da3b1e1540 libtomcrypt