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-rw-r--r--Plugins/DbSqliteWx/sha2.c1912
1 files changed, 961 insertions, 951 deletions
diff --git a/Plugins/DbSqliteWx/sha2.c b/Plugins/DbSqliteWx/sha2.c
index 5dbbdda..8c95c56 100644
--- a/Plugins/DbSqliteWx/sha2.c
+++ b/Plugins/DbSqliteWx/sha2.c
@@ -1,951 +1,961 @@
-/*
- * FIPS 180-2 SHA-224/256/384/512 implementation
- * Last update: 02/02/2007
- * Issue date: 04/30/2005
- *
- * Copyright (C) 2005, 2007 Olivier Gay <olivier.gay@a3.epfl.ch>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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.
- * 3. Neither the name of the project 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 PROJECT 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 PROJECT 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.
- */
-
-#if 0
-#define UNROLL_LOOPS /* Enable loops unrolling */
-#endif
-
-#include <string.h>
-
-#include "sha2.h"
-
-#define SHFR(x, n) (x >> n)
-#define ROTR(x, n) ((x >> n) | (x << ((sizeof(x) << 3) - n)))
-#define ROTL(x, n) ((x << n) | (x >> ((sizeof(x) << 3) - n)))
-#define CH(x, y, z) ((x & y) ^ (~x & z))
-#define MAJ(x, y, z) ((x & y) ^ (x & z) ^ (y & z))
-
-#define SHA256_F1(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
-#define SHA256_F2(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
-#define SHA256_F3(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SHFR(x, 3))
-#define SHA256_F4(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHFR(x, 10))
-
-#define SHA512_F1(x) (ROTR(x, 28) ^ ROTR(x, 34) ^ ROTR(x, 39))
-#define SHA512_F2(x) (ROTR(x, 14) ^ ROTR(x, 18) ^ ROTR(x, 41))
-#define SHA512_F3(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHFR(x, 7))
-#define SHA512_F4(x) (ROTR(x, 19) ^ ROTR(x, 61) ^ SHFR(x, 6))
-
-#define UNPACK32(x, str) \
-{ \
- *((str) + 3) = (uint8) ((x) ); \
- *((str) + 2) = (uint8) ((x) >> 8); \
- *((str) + 1) = (uint8) ((x) >> 16); \
- *((str) + 0) = (uint8) ((x) >> 24); \
-}
-
-#define PACK32(str, x) \
-{ \
- *(x) = ((uint32) *((str) + 3) ) \
- | ((uint32) *((str) + 2) << 8) \
- | ((uint32) *((str) + 1) << 16) \
- | ((uint32) *((str) + 0) << 24); \
-}
-
-#define UNPACK64(x, str) \
-{ \
- *((str) + 7) = (uint8) ((x) ); \
- *((str) + 6) = (uint8) ((x) >> 8); \
- *((str) + 5) = (uint8) ((x) >> 16); \
- *((str) + 4) = (uint8) ((x) >> 24); \
- *((str) + 3) = (uint8) ((x) >> 32); \
- *((str) + 2) = (uint8) ((x) >> 40); \
- *((str) + 1) = (uint8) ((x) >> 48); \
- *((str) + 0) = (uint8) ((x) >> 56); \
-}
-
-#define PACK64(str, x) \
-{ \
- *(x) = ((uint64) *((str) + 7) ) \
- | ((uint64) *((str) + 6) << 8) \
- | ((uint64) *((str) + 5) << 16) \
- | ((uint64) *((str) + 4) << 24) \
- | ((uint64) *((str) + 3) << 32) \
- | ((uint64) *((str) + 2) << 40) \
- | ((uint64) *((str) + 1) << 48) \
- | ((uint64) *((str) + 0) << 56); \
-}
-
-/* Macros used for loops unrolling */
-
-#define SHA256_SCR(i) \
-{ \
- w[i] = SHA256_F4(w[i - 2]) + w[i - 7] \
- + SHA256_F3(w[i - 15]) + w[i - 16]; \
-}
-
-#define SHA512_SCR(i) \
-{ \
- w[i] = SHA512_F4(w[i - 2]) + w[i - 7] \
- + SHA512_F3(w[i - 15]) + w[i - 16]; \
-}
-
-#define SHA256_EXP(a, b, c, d, e, f, g, h, j) \
-{ \
- t1 = wv[h] + SHA256_F2(wv[e]) + CH(wv[e], wv[f], wv[g]) \
- + sha256_k[j] + w[j]; \
- t2 = SHA256_F1(wv[a]) + MAJ(wv[a], wv[b], wv[c]); \
- wv[d] += t1; \
- wv[h] = t1 + t2; \
-}
-
-#define SHA512_EXP(a, b, c, d, e, f, g ,h, j) \
-{ \
- t1 = wv[h] + SHA512_F2(wv[e]) + CH(wv[e], wv[f], wv[g]) \
- + sha512_k[j] + w[j]; \
- t2 = SHA512_F1(wv[a]) + MAJ(wv[a], wv[b], wv[c]); \
- wv[d] += t1; \
- wv[h] = t1 + t2; \
-}
-
-uint32 sha224_h0[8] =
- {0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
- 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4};
-
-uint32 sha256_h0[8] =
- {0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
- 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19};
-
-uint64 sha384_h0[8] =
- {li_64(cbbb9d5dc1059ed8), li_64(629a292a367cd507),
- li_64(9159015a3070dd17), li_64(152fecd8f70e5939),
- li_64(67332667ffc00b31), li_64(8eb44a8768581511),
- li_64(db0c2e0d64f98fa7), li_64(47b5481dbefa4fa4)};
-
-uint64 sha512_h0[8] =
- {li_64(6a09e667f3bcc908), li_64(bb67ae8584caa73b),
- li_64(3c6ef372fe94f82b), li_64(a54ff53a5f1d36f1),
- li_64(510e527fade682d1), li_64(9b05688c2b3e6c1f),
- li_64(1f83d9abfb41bd6b), li_64(5be0cd19137e2179)};
-
-uint32 sha256_k[64] =
- {0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
- 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
- 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
- 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
- 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
- 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
- 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
- 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
- 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
- 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
- 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
- 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
- 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
- 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
- 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
- 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2};
-
-uint64 sha512_k[80] =
- {li_64(428a2f98d728ae22), li_64(7137449123ef65cd),
- li_64(b5c0fbcfec4d3b2f), li_64(e9b5dba58189dbbc),
- li_64(3956c25bf348b538), li_64(59f111f1b605d019),
- li_64(923f82a4af194f9b), li_64(ab1c5ed5da6d8118),
- li_64(d807aa98a3030242), li_64(12835b0145706fbe),
- li_64(243185be4ee4b28c), li_64(550c7dc3d5ffb4e2),
- li_64(72be5d74f27b896f), li_64(80deb1fe3b1696b1),
- li_64(9bdc06a725c71235), li_64(c19bf174cf692694),
- li_64(e49b69c19ef14ad2), li_64(efbe4786384f25e3),
- li_64(0fc19dc68b8cd5b5), li_64(240ca1cc77ac9c65),
- li_64(2de92c6f592b0275), li_64(4a7484aa6ea6e483),
- li_64(5cb0a9dcbd41fbd4), li_64(76f988da831153b5),
- li_64(983e5152ee66dfab), li_64(a831c66d2db43210),
- li_64(b00327c898fb213f), li_64(bf597fc7beef0ee4),
- li_64(c6e00bf33da88fc2), li_64(d5a79147930aa725),
- li_64(06ca6351e003826f), li_64(142929670a0e6e70),
- li_64(27b70a8546d22ffc), li_64(2e1b21385c26c926),
- li_64(4d2c6dfc5ac42aed), li_64(53380d139d95b3df),
- li_64(650a73548baf63de), li_64(766a0abb3c77b2a8),
- li_64(81c2c92e47edaee6), li_64(92722c851482353b),
- li_64(a2bfe8a14cf10364), li_64(a81a664bbc423001),
- li_64(c24b8b70d0f89791), li_64(c76c51a30654be30),
- li_64(d192e819d6ef5218), li_64(d69906245565a910),
- li_64(f40e35855771202a), li_64(106aa07032bbd1b8),
- li_64(19a4c116b8d2d0c8), li_64(1e376c085141ab53),
- li_64(2748774cdf8eeb99), li_64(34b0bcb5e19b48a8),
- li_64(391c0cb3c5c95a63), li_64(4ed8aa4ae3418acb),
- li_64(5b9cca4f7763e373), li_64(682e6ff3d6b2b8a3),
- li_64(748f82ee5defb2fc), li_64(78a5636f43172f60),
- li_64(84c87814a1f0ab72), li_64(8cc702081a6439ec),
- li_64(90befffa23631e28), li_64(a4506cebde82bde9),
- li_64(bef9a3f7b2c67915), li_64(c67178f2e372532b),
- li_64(ca273eceea26619c), li_64(d186b8c721c0c207),
- li_64(eada7dd6cde0eb1e), li_64(f57d4f7fee6ed178),
- li_64(06f067aa72176fba), li_64(0a637dc5a2c898a6),
- li_64(113f9804bef90dae), li_64(1b710b35131c471b),
- li_64(28db77f523047d84), li_64(32caab7b40c72493),
- li_64(3c9ebe0a15c9bebc), li_64(431d67c49c100d4c),
- li_64(4cc5d4becb3e42b6), li_64(597f299cfc657e2a),
- li_64(5fcb6fab3ad6faec), li_64(6c44198c4a475817)};
-
-/* SHA-256 functions */
-
-void sha256_transf(sha256_ctx *ctx, const unsigned char *message,
- unsigned int block_nb)
-{
- uint32 w[64];
- uint32 wv[8];
- uint32 t1, t2;
- const unsigned char *sub_block;
- int i;
-
-#ifndef UNROLL_LOOPS
- int j;
-#endif
-
- for (i = 0; i < (int) block_nb; i++) {
- sub_block = message + (i << 6);
-
-#ifndef UNROLL_LOOPS
- for (j = 0; j < 16; j++) {
- PACK32(&sub_block[j << 2], &w[j]);
- }
-
- for (j = 16; j < 64; j++) {
- SHA256_SCR(j);
- }
-
- for (j = 0; j < 8; j++) {
- wv[j] = ctx->h[j];
- }
-
- for (j = 0; j < 64; j++) {
- t1 = wv[7] + SHA256_F2(wv[4]) + CH(wv[4], wv[5], wv[6])
- + sha256_k[j] + w[j];
- t2 = SHA256_F1(wv[0]) + MAJ(wv[0], wv[1], wv[2]);
- wv[7] = wv[6];
- wv[6] = wv[5];
- wv[5] = wv[4];
- wv[4] = wv[3] + t1;
- wv[3] = wv[2];
- wv[2] = wv[1];
- wv[1] = wv[0];
- wv[0] = t1 + t2;
- }
-
- for (j = 0; j < 8; j++) {
- ctx->h[j] += wv[j];
- }
-#else
- PACK32(&sub_block[ 0], &w[ 0]); PACK32(&sub_block[ 4], &w[ 1]);
- PACK32(&sub_block[ 8], &w[ 2]); PACK32(&sub_block[12], &w[ 3]);
- PACK32(&sub_block[16], &w[ 4]); PACK32(&sub_block[20], &w[ 5]);
- PACK32(&sub_block[24], &w[ 6]); PACK32(&sub_block[28], &w[ 7]);
- PACK32(&sub_block[32], &w[ 8]); PACK32(&sub_block[36], &w[ 9]);
- PACK32(&sub_block[40], &w[10]); PACK32(&sub_block[44], &w[11]);
- PACK32(&sub_block[48], &w[12]); PACK32(&sub_block[52], &w[13]);
- PACK32(&sub_block[56], &w[14]); PACK32(&sub_block[60], &w[15]);
-
- SHA256_SCR(16); SHA256_SCR(17); SHA256_SCR(18); SHA256_SCR(19);
- SHA256_SCR(20); SHA256_SCR(21); SHA256_SCR(22); SHA256_SCR(23);
- SHA256_SCR(24); SHA256_SCR(25); SHA256_SCR(26); SHA256_SCR(27);
- SHA256_SCR(28); SHA256_SCR(29); SHA256_SCR(30); SHA256_SCR(31);
- SHA256_SCR(32); SHA256_SCR(33); SHA256_SCR(34); SHA256_SCR(35);
- SHA256_SCR(36); SHA256_SCR(37); SHA256_SCR(38); SHA256_SCR(39);
- SHA256_SCR(40); SHA256_SCR(41); SHA256_SCR(42); SHA256_SCR(43);
- SHA256_SCR(44); SHA256_SCR(45); SHA256_SCR(46); SHA256_SCR(47);
- SHA256_SCR(48); SHA256_SCR(49); SHA256_SCR(50); SHA256_SCR(51);
- SHA256_SCR(52); SHA256_SCR(53); SHA256_SCR(54); SHA256_SCR(55);
- SHA256_SCR(56); SHA256_SCR(57); SHA256_SCR(58); SHA256_SCR(59);
- SHA256_SCR(60); SHA256_SCR(61); SHA256_SCR(62); SHA256_SCR(63);
-
- wv[0] = ctx->h[0]; wv[1] = ctx->h[1];
- wv[2] = ctx->h[2]; wv[3] = ctx->h[3];
- wv[4] = ctx->h[4]; wv[5] = ctx->h[5];
- wv[6] = ctx->h[6]; wv[7] = ctx->h[7];
-
- SHA256_EXP(0,1,2,3,4,5,6,7, 0); SHA256_EXP(7,0,1,2,3,4,5,6, 1);
- SHA256_EXP(6,7,0,1,2,3,4,5, 2); SHA256_EXP(5,6,7,0,1,2,3,4, 3);
- SHA256_EXP(4,5,6,7,0,1,2,3, 4); SHA256_EXP(3,4,5,6,7,0,1,2, 5);
- SHA256_EXP(2,3,4,5,6,7,0,1, 6); SHA256_EXP(1,2,3,4,5,6,7,0, 7);
- SHA256_EXP(0,1,2,3,4,5,6,7, 8); SHA256_EXP(7,0,1,2,3,4,5,6, 9);
- SHA256_EXP(6,7,0,1,2,3,4,5,10); SHA256_EXP(5,6,7,0,1,2,3,4,11);
- SHA256_EXP(4,5,6,7,0,1,2,3,12); SHA256_EXP(3,4,5,6,7,0,1,2,13);
- SHA256_EXP(2,3,4,5,6,7,0,1,14); SHA256_EXP(1,2,3,4,5,6,7,0,15);
- SHA256_EXP(0,1,2,3,4,5,6,7,16); SHA256_EXP(7,0,1,2,3,4,5,6,17);
- SHA256_EXP(6,7,0,1,2,3,4,5,18); SHA256_EXP(5,6,7,0,1,2,3,4,19);
- SHA256_EXP(4,5,6,7,0,1,2,3,20); SHA256_EXP(3,4,5,6,7,0,1,2,21);
- SHA256_EXP(2,3,4,5,6,7,0,1,22); SHA256_EXP(1,2,3,4,5,6,7,0,23);
- SHA256_EXP(0,1,2,3,4,5,6,7,24); SHA256_EXP(7,0,1,2,3,4,5,6,25);
- SHA256_EXP(6,7,0,1,2,3,4,5,26); SHA256_EXP(5,6,7,0,1,2,3,4,27);
- SHA256_EXP(4,5,6,7,0,1,2,3,28); SHA256_EXP(3,4,5,6,7,0,1,2,29);
- SHA256_EXP(2,3,4,5,6,7,0,1,30); SHA256_EXP(1,2,3,4,5,6,7,0,31);
- SHA256_EXP(0,1,2,3,4,5,6,7,32); SHA256_EXP(7,0,1,2,3,4,5,6,33);
- SHA256_EXP(6,7,0,1,2,3,4,5,34); SHA256_EXP(5,6,7,0,1,2,3,4,35);
- SHA256_EXP(4,5,6,7,0,1,2,3,36); SHA256_EXP(3,4,5,6,7,0,1,2,37);
- SHA256_EXP(2,3,4,5,6,7,0,1,38); SHA256_EXP(1,2,3,4,5,6,7,0,39);
- SHA256_EXP(0,1,2,3,4,5,6,7,40); SHA256_EXP(7,0,1,2,3,4,5,6,41);
- SHA256_EXP(6,7,0,1,2,3,4,5,42); SHA256_EXP(5,6,7,0,1,2,3,4,43);
- SHA256_EXP(4,5,6,7,0,1,2,3,44); SHA256_EXP(3,4,5,6,7,0,1,2,45);
- SHA256_EXP(2,3,4,5,6,7,0,1,46); SHA256_EXP(1,2,3,4,5,6,7,0,47);
- SHA256_EXP(0,1,2,3,4,5,6,7,48); SHA256_EXP(7,0,1,2,3,4,5,6,49);
- SHA256_EXP(6,7,0,1,2,3,4,5,50); SHA256_EXP(5,6,7,0,1,2,3,4,51);
- SHA256_EXP(4,5,6,7,0,1,2,3,52); SHA256_EXP(3,4,5,6,7,0,1,2,53);
- SHA256_EXP(2,3,4,5,6,7,0,1,54); SHA256_EXP(1,2,3,4,5,6,7,0,55);
- SHA256_EXP(0,1,2,3,4,5,6,7,56); SHA256_EXP(7,0,1,2,3,4,5,6,57);
- SHA256_EXP(6,7,0,1,2,3,4,5,58); SHA256_EXP(5,6,7,0,1,2,3,4,59);
- SHA256_EXP(4,5,6,7,0,1,2,3,60); SHA256_EXP(3,4,5,6,7,0,1,2,61);
- SHA256_EXP(2,3,4,5,6,7,0,1,62); SHA256_EXP(1,2,3,4,5,6,7,0,63);
-
- ctx->h[0] += wv[0]; ctx->h[1] += wv[1];
- ctx->h[2] += wv[2]; ctx->h[3] += wv[3];
- ctx->h[4] += wv[4]; ctx->h[5] += wv[5];
- ctx->h[6] += wv[6]; ctx->h[7] += wv[7];
-#endif /* !UNROLL_LOOPS */
- }
-}
-
-void sha256(const unsigned char *message, unsigned int len, unsigned char *digest)
-{
- sha256_ctx ctx;
-
- sha256_init(&ctx);
- sha256_update(&ctx, message, len);
- sha256_final(&ctx, digest);
-}
-
-void sha256_init(sha256_ctx *ctx)
-{
-#ifndef UNROLL_LOOPS
- int i;
- for (i = 0; i < 8; i++) {
- ctx->h[i] = sha256_h0[i];
- }
-#else
- ctx->h[0] = sha256_h0[0]; ctx->h[1] = sha256_h0[1];
- ctx->h[2] = sha256_h0[2]; ctx->h[3] = sha256_h0[3];
- ctx->h[4] = sha256_h0[4]; ctx->h[5] = sha256_h0[5];
- ctx->h[6] = sha256_h0[6]; ctx->h[7] = sha256_h0[7];
-#endif /* !UNROLL_LOOPS */
-
- ctx->len = 0;
- ctx->tot_len = 0;
-}
-
-void sha256_update(sha256_ctx *ctx, const unsigned char *message,
- unsigned int len)
-{
- unsigned int block_nb;
- unsigned int new_len, rem_len, tmp_len;
- const unsigned char *shifted_message;
-
- tmp_len = SHA256_BLOCK_SIZE - ctx->len;
- rem_len = len < tmp_len ? len : tmp_len;
-
- memcpy(&ctx->block[ctx->len], message, rem_len);
-
- if (ctx->len + len < SHA256_BLOCK_SIZE) {
- ctx->len += len;
- return;
- }
-
- new_len = len - rem_len;
- block_nb = new_len / SHA256_BLOCK_SIZE;
-
- shifted_message = message + rem_len;
-
- sha256_transf(ctx, ctx->block, 1);
- sha256_transf(ctx, shifted_message, block_nb);
-
- rem_len = new_len % SHA256_BLOCK_SIZE;
-
- memcpy(ctx->block, &shifted_message[block_nb << 6],
- rem_len);
-
- ctx->len = rem_len;
- ctx->tot_len += (block_nb + 1) << 6;
-}
-
-void sha256_final(sha256_ctx *ctx, unsigned char *digest)
-{
- unsigned int block_nb;
- unsigned int pm_len;
- unsigned int len_b;
-
-#ifndef UNROLL_LOOPS
- int i;
-#endif
-
- block_nb = (1 + ((SHA256_BLOCK_SIZE - 9)
- < (ctx->len % SHA256_BLOCK_SIZE)));
-
- len_b = (ctx->tot_len + ctx->len) << 3;
- pm_len = block_nb << 6;
-
- memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
- ctx->block[ctx->len] = 0x80;
- UNPACK32(len_b, ctx->block + pm_len - 4);
-
- sha256_transf(ctx, ctx->block, block_nb);
-
-#ifndef UNROLL_LOOPS
- for (i = 0 ; i < 8; i++) {
- UNPACK32(ctx->h[i], &digest[i << 2]);
- }
-#else
- UNPACK32(ctx->h[0], &digest[ 0]);
- UNPACK32(ctx->h[1], &digest[ 4]);
- UNPACK32(ctx->h[2], &digest[ 8]);
- UNPACK32(ctx->h[3], &digest[12]);
- UNPACK32(ctx->h[4], &digest[16]);
- UNPACK32(ctx->h[5], &digest[20]);
- UNPACK32(ctx->h[6], &digest[24]);
- UNPACK32(ctx->h[7], &digest[28]);
-#endif /* !UNROLL_LOOPS */
-}
-
-/* SHA-512 functions */
-
-void sha512_transf(sha512_ctx *ctx, const unsigned char *message,
- unsigned int block_nb)
-{
- uint64 w[80];
- uint64 wv[8];
- uint64 t1, t2;
- const unsigned char *sub_block;
- int i, j;
-
- for (i = 0; i < (int) block_nb; i++) {
- sub_block = message + (i << 7);
-
-#ifndef UNROLL_LOOPS
- for (j = 0; j < 16; j++) {
- PACK64(&sub_block[j << 3], &w[j]);
- }
-
- for (j = 16; j < 80; j++) {
- SHA512_SCR(j);
- }
-
- for (j = 0; j < 8; j++) {
- wv[j] = ctx->h[j];
- }
-
- for (j = 0; j < 80; j++) {
- t1 = wv[7] + SHA512_F2(wv[4]) + CH(wv[4], wv[5], wv[6])
- + sha512_k[j] + w[j];
- t2 = SHA512_F1(wv[0]) + MAJ(wv[0], wv[1], wv[2]);
- wv[7] = wv[6];
- wv[6] = wv[5];
- wv[5] = wv[4];
- wv[4] = wv[3] + t1;
- wv[3] = wv[2];
- wv[2] = wv[1];
- wv[1] = wv[0];
- wv[0] = t1 + t2;
- }
-
- for (j = 0; j < 8; j++) {
- ctx->h[j] += wv[j];
- }
-#else
- PACK64(&sub_block[ 0], &w[ 0]); PACK64(&sub_block[ 8], &w[ 1]);
- PACK64(&sub_block[ 16], &w[ 2]); PACK64(&sub_block[ 24], &w[ 3]);
- PACK64(&sub_block[ 32], &w[ 4]); PACK64(&sub_block[ 40], &w[ 5]);
- PACK64(&sub_block[ 48], &w[ 6]); PACK64(&sub_block[ 56], &w[ 7]);
- PACK64(&sub_block[ 64], &w[ 8]); PACK64(&sub_block[ 72], &w[ 9]);
- PACK64(&sub_block[ 80], &w[10]); PACK64(&sub_block[ 88], &w[11]);
- PACK64(&sub_block[ 96], &w[12]); PACK64(&sub_block[104], &w[13]);
- PACK64(&sub_block[112], &w[14]); PACK64(&sub_block[120], &w[15]);
-
- SHA512_SCR(16); SHA512_SCR(17); SHA512_SCR(18); SHA512_SCR(19);
- SHA512_SCR(20); SHA512_SCR(21); SHA512_SCR(22); SHA512_SCR(23);
- SHA512_SCR(24); SHA512_SCR(25); SHA512_SCR(26); SHA512_SCR(27);
- SHA512_SCR(28); SHA512_SCR(29); SHA512_SCR(30); SHA512_SCR(31);
- SHA512_SCR(32); SHA512_SCR(33); SHA512_SCR(34); SHA512_SCR(35);
- SHA512_SCR(36); SHA512_SCR(37); SHA512_SCR(38); SHA512_SCR(39);
- SHA512_SCR(40); SHA512_SCR(41); SHA512_SCR(42); SHA512_SCR(43);
- SHA512_SCR(44); SHA512_SCR(45); SHA512_SCR(46); SHA512_SCR(47);
- SHA512_SCR(48); SHA512_SCR(49); SHA512_SCR(50); SHA512_SCR(51);
- SHA512_SCR(52); SHA512_SCR(53); SHA512_SCR(54); SHA512_SCR(55);
- SHA512_SCR(56); SHA512_SCR(57); SHA512_SCR(58); SHA512_SCR(59);
- SHA512_SCR(60); SHA512_SCR(61); SHA512_SCR(62); SHA512_SCR(63);
- SHA512_SCR(64); SHA512_SCR(65); SHA512_SCR(66); SHA512_SCR(67);
- SHA512_SCR(68); SHA512_SCR(69); SHA512_SCR(70); SHA512_SCR(71);
- SHA512_SCR(72); SHA512_SCR(73); SHA512_SCR(74); SHA512_SCR(75);
- SHA512_SCR(76); SHA512_SCR(77); SHA512_SCR(78); SHA512_SCR(79);
-
- wv[0] = ctx->h[0]; wv[1] = ctx->h[1];
- wv[2] = ctx->h[2]; wv[3] = ctx->h[3];
- wv[4] = ctx->h[4]; wv[5] = ctx->h[5];
- wv[6] = ctx->h[6]; wv[7] = ctx->h[7];
-
- j = 0;
-
- do {
- SHA512_EXP(0,1,2,3,4,5,6,7,j); j++;
- SHA512_EXP(7,0,1,2,3,4,5,6,j); j++;
- SHA512_EXP(6,7,0,1,2,3,4,5,j); j++;
- SHA512_EXP(5,6,7,0,1,2,3,4,j); j++;
- SHA512_EXP(4,5,6,7,0,1,2,3,j); j++;
- SHA512_EXP(3,4,5,6,7,0,1,2,j); j++;
- SHA512_EXP(2,3,4,5,6,7,0,1,j); j++;
- SHA512_EXP(1,2,3,4,5,6,7,0,j); j++;
- } while (j < 80);
-
- ctx->h[0] += wv[0]; ctx->h[1] += wv[1];
- ctx->h[2] += wv[2]; ctx->h[3] += wv[3];
- ctx->h[4] += wv[4]; ctx->h[5] += wv[5];
- ctx->h[6] += wv[6]; ctx->h[7] += wv[7];
-#endif /* !UNROLL_LOOPS */
- }
-}
-
-void sha512(const unsigned char *message, unsigned int len,
- unsigned char *digest)
-{
- sha512_ctx ctx;
-
- sha512_init(&ctx);
- sha512_update(&ctx, message, len);
- sha512_final(&ctx, digest);
-}
-
-void sha512_init(sha512_ctx *ctx)
-{
-#ifndef UNROLL_LOOPS
- int i;
- for (i = 0; i < 8; i++) {
- ctx->h[i] = sha512_h0[i];
- }
-#else
- ctx->h[0] = sha512_h0[0]; ctx->h[1] = sha512_h0[1];
- ctx->h[2] = sha512_h0[2]; ctx->h[3] = sha512_h0[3];
- ctx->h[4] = sha512_h0[4]; ctx->h[5] = sha512_h0[5];
- ctx->h[6] = sha512_h0[6]; ctx->h[7] = sha512_h0[7];
-#endif /* !UNROLL_LOOPS */
-
- ctx->len = 0;
- ctx->tot_len = 0;
-}
-
-void sha512_update(sha512_ctx *ctx, const unsigned char *message,
- unsigned int len)
-{
- unsigned int block_nb;
- unsigned int new_len, rem_len, tmp_len;
- const unsigned char *shifted_message;
-
- tmp_len = SHA512_BLOCK_SIZE - ctx->len;
- rem_len = len < tmp_len ? len : tmp_len;
-
- memcpy(&ctx->block[ctx->len], message, rem_len);
-
- if (ctx->len + len < SHA512_BLOCK_SIZE) {
- ctx->len += len;
- return;
- }
-
- new_len = len - rem_len;
- block_nb = new_len / SHA512_BLOCK_SIZE;
-
- shifted_message = message + rem_len;
-
- sha512_transf(ctx, ctx->block, 1);
- sha512_transf(ctx, shifted_message, block_nb);
-
- rem_len = new_len % SHA512_BLOCK_SIZE;
-
- memcpy(ctx->block, &shifted_message[block_nb << 7],
- rem_len);
-
- ctx->len = rem_len;
- ctx->tot_len += (block_nb + 1) << 7;
-}
-
-void sha512_final(sha512_ctx *ctx, unsigned char *digest)
-{
- unsigned int block_nb;
- unsigned int pm_len;
- unsigned int len_b;
-
-#ifndef UNROLL_LOOPS
- int i;
-#endif
-
- block_nb = 1 + ((SHA512_BLOCK_SIZE - 17)
- < (ctx->len % SHA512_BLOCK_SIZE));
-
- len_b = (ctx->tot_len + ctx->len) << 3;
- pm_len = block_nb << 7;
-
- memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
- ctx->block[ctx->len] = 0x80;
- UNPACK32(len_b, ctx->block + pm_len - 4);
-
- sha512_transf(ctx, ctx->block, block_nb);
-
-#ifndef UNROLL_LOOPS
- for (i = 0 ; i < 8; i++) {
- UNPACK64(ctx->h[i], &digest[i << 3]);
- }
-#else
- UNPACK64(ctx->h[0], &digest[ 0]);
- UNPACK64(ctx->h[1], &digest[ 8]);
- UNPACK64(ctx->h[2], &digest[16]);
- UNPACK64(ctx->h[3], &digest[24]);
- UNPACK64(ctx->h[4], &digest[32]);
- UNPACK64(ctx->h[5], &digest[40]);
- UNPACK64(ctx->h[6], &digest[48]);
- UNPACK64(ctx->h[7], &digest[56]);
-#endif /* !UNROLL_LOOPS */
-}
-
-/* SHA-384 functions */
-
-void sha384(const unsigned char *message, unsigned int len,
- unsigned char *digest)
-{
- sha384_ctx ctx;
-
- sha384_init(&ctx);
- sha384_update(&ctx, message, len);
- sha384_final(&ctx, digest);
-}
-
-void sha384_init(sha384_ctx *ctx)
-{
-#ifndef UNROLL_LOOPS
- int i;
- for (i = 0; i < 8; i++) {
- ctx->h[i] = sha384_h0[i];
- }
-#else
- ctx->h[0] = sha384_h0[0]; ctx->h[1] = sha384_h0[1];
- ctx->h[2] = sha384_h0[2]; ctx->h[3] = sha384_h0[3];
- ctx->h[4] = sha384_h0[4]; ctx->h[5] = sha384_h0[5];
- ctx->h[6] = sha384_h0[6]; ctx->h[7] = sha384_h0[7];
-#endif /* !UNROLL_LOOPS */
-
- ctx->len = 0;
- ctx->tot_len = 0;
-}
-
-void sha384_update(sha384_ctx *ctx, const unsigned char *message,
- unsigned int len)
-{
- unsigned int block_nb;
- unsigned int new_len, rem_len, tmp_len;
- const unsigned char *shifted_message;
-
- tmp_len = SHA384_BLOCK_SIZE - ctx->len;
- rem_len = len < tmp_len ? len : tmp_len;
-
- memcpy(&ctx->block[ctx->len], message, rem_len);
-
- if (ctx->len + len < SHA384_BLOCK_SIZE) {
- ctx->len += len;
- return;
- }
-
- new_len = len - rem_len;
- block_nb = new_len / SHA384_BLOCK_SIZE;
-
- shifted_message = message + rem_len;
-
- sha512_transf(ctx, ctx->block, 1);
- sha512_transf(ctx, shifted_message, block_nb);
-
- rem_len = new_len % SHA384_BLOCK_SIZE;
-
- memcpy(ctx->block, &shifted_message[block_nb << 7],
- rem_len);
-
- ctx->len = rem_len;
- ctx->tot_len += (block_nb + 1) << 7;
-}
-
-void sha384_final(sha384_ctx *ctx, unsigned char *digest)
-{
- unsigned int block_nb;
- unsigned int pm_len;
- unsigned int len_b;
-
-#ifndef UNROLL_LOOPS
- int i;
-#endif
-
- block_nb = (1 + ((SHA384_BLOCK_SIZE - 17)
- < (ctx->len % SHA384_BLOCK_SIZE)));
-
- len_b = (ctx->tot_len + ctx->len) << 3;
- pm_len = block_nb << 7;
-
- memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
- ctx->block[ctx->len] = 0x80;
- UNPACK32(len_b, ctx->block + pm_len - 4);
-
- sha512_transf(ctx, ctx->block, block_nb);
-
-#ifndef UNROLL_LOOPS
- for (i = 0 ; i < 6; i++) {
- UNPACK64(ctx->h[i], &digest[i << 3]);
- }
-#else
- UNPACK64(ctx->h[0], &digest[ 0]);
- UNPACK64(ctx->h[1], &digest[ 8]);
- UNPACK64(ctx->h[2], &digest[16]);
- UNPACK64(ctx->h[3], &digest[24]);
- UNPACK64(ctx->h[4], &digest[32]);
- UNPACK64(ctx->h[5], &digest[40]);
-#endif /* !UNROLL_LOOPS */
-}
-
-/* SHA-224 functions */
-
-void sha224(const unsigned char *message, unsigned int len,
- unsigned char *digest)
-{
- sha224_ctx ctx;
-
- sha224_init(&ctx);
- sha224_update(&ctx, message, len);
- sha224_final(&ctx, digest);
-}
-
-void sha224_init(sha224_ctx *ctx)
-{
-#ifndef UNROLL_LOOPS
- int i;
- for (i = 0; i < 8; i++) {
- ctx->h[i] = sha224_h0[i];
- }
-#else
- ctx->h[0] = sha224_h0[0]; ctx->h[1] = sha224_h0[1];
- ctx->h[2] = sha224_h0[2]; ctx->h[3] = sha224_h0[3];
- ctx->h[4] = sha224_h0[4]; ctx->h[5] = sha224_h0[5];
- ctx->h[6] = sha224_h0[6]; ctx->h[7] = sha224_h0[7];
-#endif /* !UNROLL_LOOPS */
-
- ctx->len = 0;
- ctx->tot_len = 0;
-}
-
-void sha224_update(sha224_ctx *ctx, const unsigned char *message,
- unsigned int len)
-{
- unsigned int block_nb;
- unsigned int new_len, rem_len, tmp_len;
- const unsigned char *shifted_message;
-
- tmp_len = SHA224_BLOCK_SIZE - ctx->len;
- rem_len = len < tmp_len ? len : tmp_len;
-
- memcpy(&ctx->block[ctx->len], message, rem_len);
-
- if (ctx->len + len < SHA224_BLOCK_SIZE) {
- ctx->len += len;
- return;
- }
-
- new_len = len - rem_len;
- block_nb = new_len / SHA224_BLOCK_SIZE;
-
- shifted_message = message + rem_len;
-
- sha256_transf(ctx, ctx->block, 1);
- sha256_transf(ctx, shifted_message, block_nb);
-
- rem_len = new_len % SHA224_BLOCK_SIZE;
-
- memcpy(ctx->block, &shifted_message[block_nb << 6],
- rem_len);
-
- ctx->len = rem_len;
- ctx->tot_len += (block_nb + 1) << 6;
-}
-
-void sha224_final(sha224_ctx *ctx, unsigned char *digest)
-{
- unsigned int block_nb;
- unsigned int pm_len;
- unsigned int len_b;
-
-#ifndef UNROLL_LOOPS
- int i;
-#endif
-
- block_nb = (1 + ((SHA224_BLOCK_SIZE - 9)
- < (ctx->len % SHA224_BLOCK_SIZE)));
-
- len_b = (ctx->tot_len + ctx->len) << 3;
- pm_len = block_nb << 6;
-
- memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
- ctx->block[ctx->len] = 0x80;
- UNPACK32(len_b, ctx->block + pm_len - 4);
-
- sha256_transf(ctx, ctx->block, block_nb);
-
-#ifndef UNROLL_LOOPS
- for (i = 0 ; i < 7; i++) {
- UNPACK32(ctx->h[i], &digest[i << 2]);
- }
-#else
- UNPACK32(ctx->h[0], &digest[ 0]);
- UNPACK32(ctx->h[1], &digest[ 4]);
- UNPACK32(ctx->h[2], &digest[ 8]);
- UNPACK32(ctx->h[3], &digest[12]);
- UNPACK32(ctx->h[4], &digest[16]);
- UNPACK32(ctx->h[5], &digest[20]);
- UNPACK32(ctx->h[6], &digest[24]);
-#endif /* !UNROLL_LOOPS */
-}
-
-#ifdef TEST_VECTORS
-
-/* FIPS 180-2 Validation tests */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-void test(const unsigned char *vector, unsigned char *digest,
- unsigned int digest_size)
-{
- unsigned char output[2 * SHA512_DIGEST_SIZE + 1];
- int i;
-
- output[2 * digest_size] = '\0';
-
- for (i = 0; i < (int) digest_size ; i++) {
- sprintf((char *) output + 2 * i, "%02x", digest[i]);
- }
-
- printf("H: %s\n", output);
- if (strcmp((char *) vector, (char *) output)) {
- fprintf(stderr, "Test failed.\n");
- exit(EXIT_FAILURE);
- }
-}
-
-int main()
-{
- static const unsigned char *vectors[4][3] =
- { /* SHA-224 */
- {
- "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7",
- "75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525",
- "20794655980c91d8bbb4c1ea97618a4bf03f42581948b2ee4ee7ad67",
- },
- /* SHA-256 */
- {
- "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
- "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1",
- "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0",
- },
- /* SHA-384 */
- {
- "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed"
- "8086072ba1e7cc2358baeca134c825a7",
- "09330c33f71147e83d192fc782cd1b4753111b173b3b05d22fa08086e3b0f712"
- "fcc7c71a557e2db966c3e9fa91746039",
- "9d0e1809716474cb086e834e310a4a1ced149e9c00f248527972cec5704c2a5b"
- "07b8b3dc38ecc4ebae97ddd87f3d8985",
- },
- /* SHA-512 */
- {
- "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a"
- "2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
- "8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018"
- "501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909",
- "e718483d0ce769644e2e42c7bc15b4638e1f98b13b2044285632a803afa973eb"
- "de0ff244877ea60a4cb0432ce577c31beb009c5c2c49aa2e4eadb217ad8cc09b"
- }
- };
-
- static const unsigned char message1[] = "abc";
- static const unsigned char message2a[] = "abcdbcdecdefdefgefghfghighijhi"
- "jkijkljklmklmnlmnomnopnopq";
- static const unsigned char message2b[] =
- "abcdefghbcdefghicdefghijdefghijkefghij"
- "klfghijklmghijklmnhijklmnoijklmnopjklm"
- "nopqklmnopqrlmnopqrsmnopqrstnopqrstu";
- unsigned char *message3;
- unsigned int message3_len = 1000000;
- unsigned char digest[SHA512_DIGEST_SIZE];
-
- message3 = malloc(message3_len);
- if (message3 == NULL) {
- fprintf(stderr, "Can't allocate memory\n");
- return -1;
- }
- memset(message3, 'a', message3_len);
-
- printf("SHA-2 FIPS 180-2 Validation tests\n\n");
- printf("SHA-224 Test vectors\n");
-
- sha224(message1, strlen((char *) message1), digest);
- test(vectors[0][0], digest, SHA224_DIGEST_SIZE);
- sha224(message2a, strlen((char *) message2a), digest);
- test(vectors[0][1], digest, SHA224_DIGEST_SIZE);
- sha224(message3, message3_len, digest);
- test(vectors[0][2], digest, SHA224_DIGEST_SIZE);
- printf("\n");
-
- printf("SHA-256 Test vectors\n");
-
- sha256(message1, strlen((char *) message1), digest);
- test(vectors[1][0], digest, SHA256_DIGEST_SIZE);
- sha256(message2a, strlen((char *) message2a), digest);
- test(vectors[1][1], digest, SHA256_DIGEST_SIZE);
- sha256(message3, message3_len, digest);
- test(vectors[1][2], digest, SHA256_DIGEST_SIZE);
- printf("\n");
-
- printf("SHA-384 Test vectors\n");
-
- sha384(message1, strlen((char *) message1), digest);
- test(vectors[2][0], digest, SHA384_DIGEST_SIZE);
- sha384(message2b, strlen((char *) message2b), digest);
- test(vectors[2][1], digest, SHA384_DIGEST_SIZE);
- sha384(message3, message3_len, digest);
- test(vectors[2][2], digest, SHA384_DIGEST_SIZE);
- printf("\n");
-
- printf("SHA-512 Test vectors\n");
-
- sha512(message1, strlen((char *) message1), digest);
- test(vectors[3][0], digest, SHA512_DIGEST_SIZE);
- sha512(message2b, strlen((char *) message2b), digest);
- test(vectors[3][1], digest, SHA512_DIGEST_SIZE);
- sha512(message3, message3_len, digest);
- test(vectors[3][2], digest, SHA512_DIGEST_SIZE);
- printf("\n");
-
- printf("All tests passed.\n");
-
- return 0;
-}
-
-#endif /* TEST_VECTORS */
-
-
+/*
+ * FIPS 180-2 SHA-224/256/384/512 implementation
+ * Last update: 02/02/2007
+ * Issue date: 04/30/2005
+ *
+ * Copyright (C) 2005, 2007 Olivier Gay <olivier.gay@a3.epfl.ch>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name of the project 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 PROJECT 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 PROJECT 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.
+ */
+
+#if 1
+#define UNROLL_LOOPS /* Enable loops unrolling */
+#endif
+
+#include <string.h>
+
+#include "sha2.h"
+
+#define SHFR(x, n) (x >> n)
+#define ROTR(x, n) ((x >> n) | (x << ((sizeof(x) << 3) - n)))
+#define ROTL(x, n) ((x << n) | (x >> ((sizeof(x) << 3) - n)))
+#define CH(x, y, z) ((x & y) ^ (~x & z))
+#define MAJ(x, y, z) ((x & y) ^ (x & z) ^ (y & z))
+
+#define SHA256_F1(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
+#define SHA256_F2(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
+#define SHA256_F3(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SHFR(x, 3))
+#define SHA256_F4(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHFR(x, 10))
+
+#define SHA512_F1(x) (ROTR(x, 28) ^ ROTR(x, 34) ^ ROTR(x, 39))
+#define SHA512_F2(x) (ROTR(x, 14) ^ ROTR(x, 18) ^ ROTR(x, 41))
+#define SHA512_F3(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHFR(x, 7))
+#define SHA512_F4(x) (ROTR(x, 19) ^ ROTR(x, 61) ^ SHFR(x, 6))
+
+#define UNPACK32(x, str) \
+{ \
+ *((str) + 3) = (uint8) ((x) ); \
+ *((str) + 2) = (uint8) ((x) >> 8); \
+ *((str) + 1) = (uint8) ((x) >> 16); \
+ *((str) + 0) = (uint8) ((x) >> 24); \
+}
+
+#define PACK32(str, x) \
+{ \
+ *(x) = ((uint32) *((str) + 3) ) \
+ | ((uint32) *((str) + 2) << 8) \
+ | ((uint32) *((str) + 1) << 16) \
+ | ((uint32) *((str) + 0) << 24); \
+}
+
+#define UNPACK64(x, str) \
+{ \
+ *((str) + 7) = (uint8) ((x) ); \
+ *((str) + 6) = (uint8) ((x) >> 8); \
+ *((str) + 5) = (uint8) ((x) >> 16); \
+ *((str) + 4) = (uint8) ((x) >> 24); \
+ *((str) + 3) = (uint8) ((x) >> 32); \
+ *((str) + 2) = (uint8) ((x) >> 40); \
+ *((str) + 1) = (uint8) ((x) >> 48); \
+ *((str) + 0) = (uint8) ((x) >> 56); \
+}
+
+#define PACK64(str, x) \
+{ \
+ *(x) = ((uint64) *((str) + 7) ) \
+ | ((uint64) *((str) + 6) << 8) \
+ | ((uint64) *((str) + 5) << 16) \
+ | ((uint64) *((str) + 4) << 24) \
+ | ((uint64) *((str) + 3) << 32) \
+ | ((uint64) *((str) + 2) << 40) \
+ | ((uint64) *((str) + 1) << 48) \
+ | ((uint64) *((str) + 0) << 56); \
+}
+
+/* Macros used for loops unrolling */
+
+#define SHA256_SCR(i) \
+{ \
+ w[i] = SHA256_F4(w[i - 2]) + w[i - 7] \
+ + SHA256_F3(w[i - 15]) + w[i - 16]; \
+}
+
+#define SHA512_SCR(i) \
+{ \
+ w[i] = SHA512_F4(w[i - 2]) + w[i - 7] \
+ + SHA512_F3(w[i - 15]) + w[i - 16]; \
+}
+
+#define SHA256_EXP(a, b, c, d, e, f, g, h, j) \
+{ \
+ t1 = wv[h] + SHA256_F2(wv[e]) + CH(wv[e], wv[f], wv[g]) \
+ + sha256_k[j] + w[j]; \
+ t2 = SHA256_F1(wv[a]) + MAJ(wv[a], wv[b], wv[c]); \
+ wv[d] += t1; \
+ wv[h] = t1 + t2; \
+}
+
+#define SHA512_EXP(a, b, c, d, e, f, g ,h, j) \
+{ \
+ t1 = wv[h] + SHA512_F2(wv[e]) + CH(wv[e], wv[f], wv[g]) \
+ + sha512_k[j] + w[j]; \
+ t2 = SHA512_F1(wv[a]) + MAJ(wv[a], wv[b], wv[c]); \
+ wv[d] += t1; \
+ wv[h] = t1 + t2; \
+}
+
+uint32 sha224_h0[8] =
+ {0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
+ 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4};
+
+uint32 sha256_h0[8] =
+ {0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
+ 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19};
+
+uint64 sha384_h0[8] =
+ {li_64(cbbb9d5dc1059ed8), li_64(629a292a367cd507),
+ li_64(9159015a3070dd17), li_64(152fecd8f70e5939),
+ li_64(67332667ffc00b31), li_64(8eb44a8768581511),
+ li_64(db0c2e0d64f98fa7), li_64(47b5481dbefa4fa4)};
+
+uint64 sha512_h0[8] =
+ {li_64(6a09e667f3bcc908), li_64(bb67ae8584caa73b),
+ li_64(3c6ef372fe94f82b), li_64(a54ff53a5f1d36f1),
+ li_64(510e527fade682d1), li_64(9b05688c2b3e6c1f),
+ li_64(1f83d9abfb41bd6b), li_64(5be0cd19137e2179)};
+
+uint32 sha256_k[64] =
+ {0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
+ 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+ 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
+ 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+ 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
+ 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+ 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
+ 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+ 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
+ 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+ 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
+ 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+ 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
+ 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+ 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
+ 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2};
+
+uint64 sha512_k[80] =
+ {li_64(428a2f98d728ae22), li_64(7137449123ef65cd),
+ li_64(b5c0fbcfec4d3b2f), li_64(e9b5dba58189dbbc),
+ li_64(3956c25bf348b538), li_64(59f111f1b605d019),
+ li_64(923f82a4af194f9b), li_64(ab1c5ed5da6d8118),
+ li_64(d807aa98a3030242), li_64(12835b0145706fbe),
+ li_64(243185be4ee4b28c), li_64(550c7dc3d5ffb4e2),
+ li_64(72be5d74f27b896f), li_64(80deb1fe3b1696b1),
+ li_64(9bdc06a725c71235), li_64(c19bf174cf692694),
+ li_64(e49b69c19ef14ad2), li_64(efbe4786384f25e3),
+ li_64(0fc19dc68b8cd5b5), li_64(240ca1cc77ac9c65),
+ li_64(2de92c6f592b0275), li_64(4a7484aa6ea6e483),
+ li_64(5cb0a9dcbd41fbd4), li_64(76f988da831153b5),
+ li_64(983e5152ee66dfab), li_64(a831c66d2db43210),
+ li_64(b00327c898fb213f), li_64(bf597fc7beef0ee4),
+ li_64(c6e00bf33da88fc2), li_64(d5a79147930aa725),
+ li_64(06ca6351e003826f), li_64(142929670a0e6e70),
+ li_64(27b70a8546d22ffc), li_64(2e1b21385c26c926),
+ li_64(4d2c6dfc5ac42aed), li_64(53380d139d95b3df),
+ li_64(650a73548baf63de), li_64(766a0abb3c77b2a8),
+ li_64(81c2c92e47edaee6), li_64(92722c851482353b),
+ li_64(a2bfe8a14cf10364), li_64(a81a664bbc423001),
+ li_64(c24b8b70d0f89791), li_64(c76c51a30654be30),
+ li_64(d192e819d6ef5218), li_64(d69906245565a910),
+ li_64(f40e35855771202a), li_64(106aa07032bbd1b8),
+ li_64(19a4c116b8d2d0c8), li_64(1e376c085141ab53),
+ li_64(2748774cdf8eeb99), li_64(34b0bcb5e19b48a8),
+ li_64(391c0cb3c5c95a63), li_64(4ed8aa4ae3418acb),
+ li_64(5b9cca4f7763e373), li_64(682e6ff3d6b2b8a3),
+ li_64(748f82ee5defb2fc), li_64(78a5636f43172f60),
+ li_64(84c87814a1f0ab72), li_64(8cc702081a6439ec),
+ li_64(90befffa23631e28), li_64(a4506cebde82bde9),
+ li_64(bef9a3f7b2c67915), li_64(c67178f2e372532b),
+ li_64(ca273eceea26619c), li_64(d186b8c721c0c207),
+ li_64(eada7dd6cde0eb1e), li_64(f57d4f7fee6ed178),
+ li_64(06f067aa72176fba), li_64(0a637dc5a2c898a6),
+ li_64(113f9804bef90dae), li_64(1b710b35131c471b),
+ li_64(28db77f523047d84), li_64(32caab7b40c72493),
+ li_64(3c9ebe0a15c9bebc), li_64(431d67c49c100d4c),
+ li_64(4cc5d4becb3e42b6), li_64(597f299cfc657e2a),
+ li_64(5fcb6fab3ad6faec), li_64(6c44198c4a475817)};
+
+/* SHA-256 functions */
+
+void sha256_transf(sha256_ctx *ctx, const unsigned char *message,
+ unsigned int block_nb)
+{
+ uint32 w[64];
+ uint32 wv[8];
+ uint32 t1, t2;
+ const unsigned char *sub_block;
+ int i;
+
+#ifndef UNROLL_LOOPS
+ int j;
+#endif
+
+ for (i = 0; i < (int) block_nb; i++) {
+ sub_block = message + (i << 6);
+
+#ifndef UNROLL_LOOPS
+ for (j = 0; j < 16; j++) {
+ PACK32(&sub_block[j << 2], &w[j]);
+ }
+
+ for (j = 16; j < 64; j++) {
+ SHA256_SCR(j);
+ }
+
+ for (j = 0; j < 8; j++) {
+ wv[j] = ctx->h[j];
+ }
+
+ for (j = 0; j < 64; j++) {
+ t1 = wv[7] + SHA256_F2(wv[4]) + CH(wv[4], wv[5], wv[6])
+ + sha256_k[j] + w[j];
+ t2 = SHA256_F1(wv[0]) + MAJ(wv[0], wv[1], wv[2]);
+ wv[7] = wv[6];
+ wv[6] = wv[5];
+ wv[5] = wv[4];
+ wv[4] = wv[3] + t1;
+ wv[3] = wv[2];
+ wv[2] = wv[1];
+ wv[1] = wv[0];
+ wv[0] = t1 + t2;
+ }
+
+ for (j = 0; j < 8; j++) {
+ ctx->h[j] += wv[j];
+ }
+#else
+ PACK32(&sub_block[ 0], &w[ 0]); PACK32(&sub_block[ 4], &w[ 1]);
+ PACK32(&sub_block[ 8], &w[ 2]); PACK32(&sub_block[12], &w[ 3]);
+ PACK32(&sub_block[16], &w[ 4]); PACK32(&sub_block[20], &w[ 5]);
+ PACK32(&sub_block[24], &w[ 6]); PACK32(&sub_block[28], &w[ 7]);
+ PACK32(&sub_block[32], &w[ 8]); PACK32(&sub_block[36], &w[ 9]);
+ PACK32(&sub_block[40], &w[10]); PACK32(&sub_block[44], &w[11]);
+ PACK32(&sub_block[48], &w[12]); PACK32(&sub_block[52], &w[13]);
+ PACK32(&sub_block[56], &w[14]); PACK32(&sub_block[60], &w[15]);
+
+ SHA256_SCR(16); SHA256_SCR(17); SHA256_SCR(18); SHA256_SCR(19);
+ SHA256_SCR(20); SHA256_SCR(21); SHA256_SCR(22); SHA256_SCR(23);
+ SHA256_SCR(24); SHA256_SCR(25); SHA256_SCR(26); SHA256_SCR(27);
+ SHA256_SCR(28); SHA256_SCR(29); SHA256_SCR(30); SHA256_SCR(31);
+ SHA256_SCR(32); SHA256_SCR(33); SHA256_SCR(34); SHA256_SCR(35);
+ SHA256_SCR(36); SHA256_SCR(37); SHA256_SCR(38); SHA256_SCR(39);
+ SHA256_SCR(40); SHA256_SCR(41); SHA256_SCR(42); SHA256_SCR(43);
+ SHA256_SCR(44); SHA256_SCR(45); SHA256_SCR(46); SHA256_SCR(47);
+ SHA256_SCR(48); SHA256_SCR(49); SHA256_SCR(50); SHA256_SCR(51);
+ SHA256_SCR(52); SHA256_SCR(53); SHA256_SCR(54); SHA256_SCR(55);
+ SHA256_SCR(56); SHA256_SCR(57); SHA256_SCR(58); SHA256_SCR(59);
+ SHA256_SCR(60); SHA256_SCR(61); SHA256_SCR(62); SHA256_SCR(63);
+
+ wv[0] = ctx->h[0]; wv[1] = ctx->h[1];
+ wv[2] = ctx->h[2]; wv[3] = ctx->h[3];
+ wv[4] = ctx->h[4]; wv[5] = ctx->h[5];
+ wv[6] = ctx->h[6]; wv[7] = ctx->h[7];
+
+ SHA256_EXP(0,1,2,3,4,5,6,7, 0); SHA256_EXP(7,0,1,2,3,4,5,6, 1);
+ SHA256_EXP(6,7,0,1,2,3,4,5, 2); SHA256_EXP(5,6,7,0,1,2,3,4, 3);
+ SHA256_EXP(4,5,6,7,0,1,2,3, 4); SHA256_EXP(3,4,5,6,7,0,1,2, 5);
+ SHA256_EXP(2,3,4,5,6,7,0,1, 6); SHA256_EXP(1,2,3,4,5,6,7,0, 7);
+ SHA256_EXP(0,1,2,3,4,5,6,7, 8); SHA256_EXP(7,0,1,2,3,4,5,6, 9);
+ SHA256_EXP(6,7,0,1,2,3,4,5,10); SHA256_EXP(5,6,7,0,1,2,3,4,11);
+ SHA256_EXP(4,5,6,7,0,1,2,3,12); SHA256_EXP(3,4,5,6,7,0,1,2,13);
+ SHA256_EXP(2,3,4,5,6,7,0,1,14); SHA256_EXP(1,2,3,4,5,6,7,0,15);
+ SHA256_EXP(0,1,2,3,4,5,6,7,16); SHA256_EXP(7,0,1,2,3,4,5,6,17);
+ SHA256_EXP(6,7,0,1,2,3,4,5,18); SHA256_EXP(5,6,7,0,1,2,3,4,19);
+ SHA256_EXP(4,5,6,7,0,1,2,3,20); SHA256_EXP(3,4,5,6,7,0,1,2,21);
+ SHA256_EXP(2,3,4,5,6,7,0,1,22); SHA256_EXP(1,2,3,4,5,6,7,0,23);
+ SHA256_EXP(0,1,2,3,4,5,6,7,24); SHA256_EXP(7,0,1,2,3,4,5,6,25);
+ SHA256_EXP(6,7,0,1,2,3,4,5,26); SHA256_EXP(5,6,7,0,1,2,3,4,27);
+ SHA256_EXP(4,5,6,7,0,1,2,3,28); SHA256_EXP(3,4,5,6,7,0,1,2,29);
+ SHA256_EXP(2,3,4,5,6,7,0,1,30); SHA256_EXP(1,2,3,4,5,6,7,0,31);
+ SHA256_EXP(0,1,2,3,4,5,6,7,32); SHA256_EXP(7,0,1,2,3,4,5,6,33);
+ SHA256_EXP(6,7,0,1,2,3,4,5,34); SHA256_EXP(5,6,7,0,1,2,3,4,35);
+ SHA256_EXP(4,5,6,7,0,1,2,3,36); SHA256_EXP(3,4,5,6,7,0,1,2,37);
+ SHA256_EXP(2,3,4,5,6,7,0,1,38); SHA256_EXP(1,2,3,4,5,6,7,0,39);
+ SHA256_EXP(0,1,2,3,4,5,6,7,40); SHA256_EXP(7,0,1,2,3,4,5,6,41);
+ SHA256_EXP(6,7,0,1,2,3,4,5,42); SHA256_EXP(5,6,7,0,1,2,3,4,43);
+ SHA256_EXP(4,5,6,7,0,1,2,3,44); SHA256_EXP(3,4,5,6,7,0,1,2,45);
+ SHA256_EXP(2,3,4,5,6,7,0,1,46); SHA256_EXP(1,2,3,4,5,6,7,0,47);
+ SHA256_EXP(0,1,2,3,4,5,6,7,48); SHA256_EXP(7,0,1,2,3,4,5,6,49);
+ SHA256_EXP(6,7,0,1,2,3,4,5,50); SHA256_EXP(5,6,7,0,1,2,3,4,51);
+ SHA256_EXP(4,5,6,7,0,1,2,3,52); SHA256_EXP(3,4,5,6,7,0,1,2,53);
+ SHA256_EXP(2,3,4,5,6,7,0,1,54); SHA256_EXP(1,2,3,4,5,6,7,0,55);
+ SHA256_EXP(0,1,2,3,4,5,6,7,56); SHA256_EXP(7,0,1,2,3,4,5,6,57);
+ SHA256_EXP(6,7,0,1,2,3,4,5,58); SHA256_EXP(5,6,7,0,1,2,3,4,59);
+ SHA256_EXP(4,5,6,7,0,1,2,3,60); SHA256_EXP(3,4,5,6,7,0,1,2,61);
+ SHA256_EXP(2,3,4,5,6,7,0,1,62); SHA256_EXP(1,2,3,4,5,6,7,0,63);
+
+ ctx->h[0] += wv[0]; ctx->h[1] += wv[1];
+ ctx->h[2] += wv[2]; ctx->h[3] += wv[3];
+ ctx->h[4] += wv[4]; ctx->h[5] += wv[5];
+ ctx->h[6] += wv[6]; ctx->h[7] += wv[7];
+#endif /* !UNROLL_LOOPS */
+ }
+}
+
+void sha256_transform(sha256_ctx *ctx, const unsigned char *message)
+{
+ sha256_transf(ctx, message, 1);
+}
+
+void sha256(const unsigned char *message, unsigned int len, unsigned char *digest)
+{
+ sha256_ctx ctx;
+
+ sha256_init(&ctx);
+ sha256_update(&ctx, message, len);
+ sha256_final(&ctx, digest);
+}
+
+void sha256_init(sha256_ctx *ctx)
+{
+#ifndef UNROLL_LOOPS
+ int i;
+ for (i = 0; i < 8; i++) {
+ ctx->h[i] = sha256_h0[i];
+ }
+#else
+ ctx->h[0] = sha256_h0[0]; ctx->h[1] = sha256_h0[1];
+ ctx->h[2] = sha256_h0[2]; ctx->h[3] = sha256_h0[3];
+ ctx->h[4] = sha256_h0[4]; ctx->h[5] = sha256_h0[5];
+ ctx->h[6] = sha256_h0[6]; ctx->h[7] = sha256_h0[7];
+#endif /* !UNROLL_LOOPS */
+
+ ctx->len = 0;
+ ctx->tot_len = 0;
+}
+
+void sha256_update(sha256_ctx *ctx, const unsigned char *message,
+ unsigned int len)
+{
+ unsigned int block_nb;
+ unsigned int new_len, rem_len, tmp_len;
+ const unsigned char *shifted_message;
+
+ tmp_len = SHA256_BLOCK_SIZE - ctx->len;
+ rem_len = len < tmp_len ? len : tmp_len;
+
+ memcpy(&ctx->block[ctx->len], message, rem_len);
+
+ if (ctx->len + len < SHA256_BLOCK_SIZE) {
+ ctx->len += len;
+ return;
+ }
+
+ new_len = len - rem_len;
+ block_nb = new_len / SHA256_BLOCK_SIZE;
+
+ shifted_message = message + rem_len;
+
+ sha256_transf(ctx, ctx->block, 1);
+ sha256_transf(ctx, shifted_message, block_nb);
+
+ rem_len = new_len % SHA256_BLOCK_SIZE;
+
+ memcpy(ctx->block, &shifted_message[block_nb << 6],
+ rem_len);
+
+ ctx->len = rem_len;
+ ctx->tot_len += (block_nb + 1) << 6;
+}
+
+void sha256_final(sha256_ctx *ctx, unsigned char *digest)
+{
+ unsigned int block_nb;
+ unsigned int pm_len;
+ unsigned int len_b;
+
+#ifndef UNROLL_LOOPS
+ int i;
+#endif
+
+ block_nb = (1 + ((SHA256_BLOCK_SIZE - 9)
+ < (ctx->len % SHA256_BLOCK_SIZE)));
+
+ len_b = (ctx->tot_len + ctx->len) << 3;
+ pm_len = block_nb << 6;
+
+ memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
+ ctx->block[ctx->len] = 0x80;
+ UNPACK32(len_b, ctx->block + pm_len - 4);
+
+ sha256_transf(ctx, ctx->block, block_nb);
+
+#ifndef UNROLL_LOOPS
+ for (i = 0 ; i < 8; i++) {
+ UNPACK32(ctx->h[i], &digest[i << 2]);
+ }
+#else
+ UNPACK32(ctx->h[0], &digest[ 0]);
+ UNPACK32(ctx->h[1], &digest[ 4]);
+ UNPACK32(ctx->h[2], &digest[ 8]);
+ UNPACK32(ctx->h[3], &digest[12]);
+ UNPACK32(ctx->h[4], &digest[16]);
+ UNPACK32(ctx->h[5], &digest[20]);
+ UNPACK32(ctx->h[6], &digest[24]);
+ UNPACK32(ctx->h[7], &digest[28]);
+#endif /* !UNROLL_LOOPS */
+}
+
+/* SHA-512 functions */
+
+void sha512_transf(sha512_ctx *ctx, const unsigned char *message,
+ unsigned int block_nb)
+{
+ uint64 w[80];
+ uint64 wv[8];
+ uint64 t1, t2;
+ const unsigned char *sub_block;
+ int i, j;
+
+ for (i = 0; i < (int) block_nb; i++) {
+ sub_block = message + (i << 7);
+
+#ifndef UNROLL_LOOPS
+ for (j = 0; j < 16; j++) {
+ PACK64(&sub_block[j << 3], &w[j]);
+ }
+
+ for (j = 16; j < 80; j++) {
+ SHA512_SCR(j);
+ }
+
+ for (j = 0; j < 8; j++) {
+ wv[j] = ctx->h[j];
+ }
+
+ for (j = 0; j < 80; j++) {
+ t1 = wv[7] + SHA512_F2(wv[4]) + CH(wv[4], wv[5], wv[6])
+ + sha512_k[j] + w[j];
+ t2 = SHA512_F1(wv[0]) + MAJ(wv[0], wv[1], wv[2]);
+ wv[7] = wv[6];
+ wv[6] = wv[5];
+ wv[5] = wv[4];
+ wv[4] = wv[3] + t1;
+ wv[3] = wv[2];
+ wv[2] = wv[1];
+ wv[1] = wv[0];
+ wv[0] = t1 + t2;
+ }
+
+ for (j = 0; j < 8; j++) {
+ ctx->h[j] += wv[j];
+ }
+#else
+ PACK64(&sub_block[ 0], &w[ 0]); PACK64(&sub_block[ 8], &w[ 1]);
+ PACK64(&sub_block[ 16], &w[ 2]); PACK64(&sub_block[ 24], &w[ 3]);
+ PACK64(&sub_block[ 32], &w[ 4]); PACK64(&sub_block[ 40], &w[ 5]);
+ PACK64(&sub_block[ 48], &w[ 6]); PACK64(&sub_block[ 56], &w[ 7]);
+ PACK64(&sub_block[ 64], &w[ 8]); PACK64(&sub_block[ 72], &w[ 9]);
+ PACK64(&sub_block[ 80], &w[10]); PACK64(&sub_block[ 88], &w[11]);
+ PACK64(&sub_block[ 96], &w[12]); PACK64(&sub_block[104], &w[13]);
+ PACK64(&sub_block[112], &w[14]); PACK64(&sub_block[120], &w[15]);
+
+ SHA512_SCR(16); SHA512_SCR(17); SHA512_SCR(18); SHA512_SCR(19);
+ SHA512_SCR(20); SHA512_SCR(21); SHA512_SCR(22); SHA512_SCR(23);
+ SHA512_SCR(24); SHA512_SCR(25); SHA512_SCR(26); SHA512_SCR(27);
+ SHA512_SCR(28); SHA512_SCR(29); SHA512_SCR(30); SHA512_SCR(31);
+ SHA512_SCR(32); SHA512_SCR(33); SHA512_SCR(34); SHA512_SCR(35);
+ SHA512_SCR(36); SHA512_SCR(37); SHA512_SCR(38); SHA512_SCR(39);
+ SHA512_SCR(40); SHA512_SCR(41); SHA512_SCR(42); SHA512_SCR(43);
+ SHA512_SCR(44); SHA512_SCR(45); SHA512_SCR(46); SHA512_SCR(47);
+ SHA512_SCR(48); SHA512_SCR(49); SHA512_SCR(50); SHA512_SCR(51);
+ SHA512_SCR(52); SHA512_SCR(53); SHA512_SCR(54); SHA512_SCR(55);
+ SHA512_SCR(56); SHA512_SCR(57); SHA512_SCR(58); SHA512_SCR(59);
+ SHA512_SCR(60); SHA512_SCR(61); SHA512_SCR(62); SHA512_SCR(63);
+ SHA512_SCR(64); SHA512_SCR(65); SHA512_SCR(66); SHA512_SCR(67);
+ SHA512_SCR(68); SHA512_SCR(69); SHA512_SCR(70); SHA512_SCR(71);
+ SHA512_SCR(72); SHA512_SCR(73); SHA512_SCR(74); SHA512_SCR(75);
+ SHA512_SCR(76); SHA512_SCR(77); SHA512_SCR(78); SHA512_SCR(79);
+
+ wv[0] = ctx->h[0]; wv[1] = ctx->h[1];
+ wv[2] = ctx->h[2]; wv[3] = ctx->h[3];
+ wv[4] = ctx->h[4]; wv[5] = ctx->h[5];
+ wv[6] = ctx->h[6]; wv[7] = ctx->h[7];
+
+ j = 0;
+
+ do {
+ SHA512_EXP(0,1,2,3,4,5,6,7,j); j++;
+ SHA512_EXP(7,0,1,2,3,4,5,6,j); j++;
+ SHA512_EXP(6,7,0,1,2,3,4,5,j); j++;
+ SHA512_EXP(5,6,7,0,1,2,3,4,j); j++;
+ SHA512_EXP(4,5,6,7,0,1,2,3,j); j++;
+ SHA512_EXP(3,4,5,6,7,0,1,2,j); j++;
+ SHA512_EXP(2,3,4,5,6,7,0,1,j); j++;
+ SHA512_EXP(1,2,3,4,5,6,7,0,j); j++;
+ } while (j < 80);
+
+ ctx->h[0] += wv[0]; ctx->h[1] += wv[1];
+ ctx->h[2] += wv[2]; ctx->h[3] += wv[3];
+ ctx->h[4] += wv[4]; ctx->h[5] += wv[5];
+ ctx->h[6] += wv[6]; ctx->h[7] += wv[7];
+#endif /* !UNROLL_LOOPS */
+ }
+}
+
+void sha512_transform(sha512_ctx *ctx, const unsigned char *message)
+{
+ sha512_transf(ctx, message, 1);
+}
+
+void sha512(const unsigned char *message, unsigned int len,
+ unsigned char *digest)
+{
+ sha512_ctx ctx;
+
+ sha512_init(&ctx);
+ sha512_update(&ctx, message, len);
+ sha512_final(&ctx, digest);
+}
+
+void sha512_init(sha512_ctx *ctx)
+{
+#ifndef UNROLL_LOOPS
+ int i;
+ for (i = 0; i < 8; i++) {
+ ctx->h[i] = sha512_h0[i];
+ }
+#else
+ ctx->h[0] = sha512_h0[0]; ctx->h[1] = sha512_h0[1];
+ ctx->h[2] = sha512_h0[2]; ctx->h[3] = sha512_h0[3];
+ ctx->h[4] = sha512_h0[4]; ctx->h[5] = sha512_h0[5];
+ ctx->h[6] = sha512_h0[6]; ctx->h[7] = sha512_h0[7];
+#endif /* !UNROLL_LOOPS */
+
+ ctx->len = 0;
+ ctx->tot_len = 0;
+}
+
+void sha512_update(sha512_ctx *ctx, const unsigned char *message,
+ unsigned int len)
+{
+ unsigned int block_nb;
+ unsigned int new_len, rem_len, tmp_len;
+ const unsigned char *shifted_message;
+
+ tmp_len = SHA512_BLOCK_SIZE - ctx->len;
+ rem_len = len < tmp_len ? len : tmp_len;
+
+ memcpy(&ctx->block[ctx->len], message, rem_len);
+
+ if (ctx->len + len < SHA512_BLOCK_SIZE) {
+ ctx->len += len;
+ return;
+ }
+
+ new_len = len - rem_len;
+ block_nb = new_len / SHA512_BLOCK_SIZE;
+
+ shifted_message = message + rem_len;
+
+ sha512_transf(ctx, ctx->block, 1);
+ sha512_transf(ctx, shifted_message, block_nb);
+
+ rem_len = new_len % SHA512_BLOCK_SIZE;
+
+ memcpy(ctx->block, &shifted_message[block_nb << 7],
+ rem_len);
+
+ ctx->len = rem_len;
+ ctx->tot_len += (block_nb + 1) << 7;
+}
+
+void sha512_final(sha512_ctx *ctx, unsigned char *digest)
+{
+ unsigned int block_nb;
+ unsigned int pm_len;
+ unsigned int len_b;
+
+#ifndef UNROLL_LOOPS
+ int i;
+#endif
+
+ block_nb = 1 + ((SHA512_BLOCK_SIZE - 17)
+ < (ctx->len % SHA512_BLOCK_SIZE));
+
+ len_b = (ctx->tot_len + ctx->len) << 3;
+ pm_len = block_nb << 7;
+
+ memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
+ ctx->block[ctx->len] = 0x80;
+ UNPACK32(len_b, ctx->block + pm_len - 4);
+
+ sha512_transf(ctx, ctx->block, block_nb);
+
+#ifndef UNROLL_LOOPS
+ for (i = 0 ; i < 8; i++) {
+ UNPACK64(ctx->h[i], &digest[i << 3]);
+ }
+#else
+ UNPACK64(ctx->h[0], &digest[ 0]);
+ UNPACK64(ctx->h[1], &digest[ 8]);
+ UNPACK64(ctx->h[2], &digest[16]);
+ UNPACK64(ctx->h[3], &digest[24]);
+ UNPACK64(ctx->h[4], &digest[32]);
+ UNPACK64(ctx->h[5], &digest[40]);
+ UNPACK64(ctx->h[6], &digest[48]);
+ UNPACK64(ctx->h[7], &digest[56]);
+#endif /* !UNROLL_LOOPS */
+}
+
+/* SHA-384 functions */
+
+void sha384(const unsigned char *message, unsigned int len,
+ unsigned char *digest)
+{
+ sha384_ctx ctx;
+
+ sha384_init(&ctx);
+ sha384_update(&ctx, message, len);
+ sha384_final(&ctx, digest);
+}
+
+void sha384_init(sha384_ctx *ctx)
+{
+#ifndef UNROLL_LOOPS
+ int i;
+ for (i = 0; i < 8; i++) {
+ ctx->h[i] = sha384_h0[i];
+ }
+#else
+ ctx->h[0] = sha384_h0[0]; ctx->h[1] = sha384_h0[1];
+ ctx->h[2] = sha384_h0[2]; ctx->h[3] = sha384_h0[3];
+ ctx->h[4] = sha384_h0[4]; ctx->h[5] = sha384_h0[5];
+ ctx->h[6] = sha384_h0[6]; ctx->h[7] = sha384_h0[7];
+#endif /* !UNROLL_LOOPS */
+
+ ctx->len = 0;
+ ctx->tot_len = 0;
+}
+
+void sha384_update(sha384_ctx *ctx, const unsigned char *message,
+ unsigned int len)
+{
+ unsigned int block_nb;
+ unsigned int new_len, rem_len, tmp_len;
+ const unsigned char *shifted_message;
+
+ tmp_len = SHA384_BLOCK_SIZE - ctx->len;
+ rem_len = len < tmp_len ? len : tmp_len;
+
+ memcpy(&ctx->block[ctx->len], message, rem_len);
+
+ if (ctx->len + len < SHA384_BLOCK_SIZE) {
+ ctx->len += len;
+ return;
+ }
+
+ new_len = len - rem_len;
+ block_nb = new_len / SHA384_BLOCK_SIZE;
+
+ shifted_message = message + rem_len;
+
+ sha512_transf(ctx, ctx->block, 1);
+ sha512_transf(ctx, shifted_message, block_nb);
+
+ rem_len = new_len % SHA384_BLOCK_SIZE;
+
+ memcpy(ctx->block, &shifted_message[block_nb << 7],
+ rem_len);
+
+ ctx->len = rem_len;
+ ctx->tot_len += (block_nb + 1) << 7;
+}
+
+void sha384_final(sha384_ctx *ctx, unsigned char *digest)
+{
+ unsigned int block_nb;
+ unsigned int pm_len;
+ unsigned int len_b;
+
+#ifndef UNROLL_LOOPS
+ int i;
+#endif
+
+ block_nb = (1 + ((SHA384_BLOCK_SIZE - 17)
+ < (ctx->len % SHA384_BLOCK_SIZE)));
+
+ len_b = (ctx->tot_len + ctx->len) << 3;
+ pm_len = block_nb << 7;
+
+ memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
+ ctx->block[ctx->len] = 0x80;
+ UNPACK32(len_b, ctx->block + pm_len - 4);
+
+ sha512_transf(ctx, ctx->block, block_nb);
+
+#ifndef UNROLL_LOOPS
+ for (i = 0 ; i < 6; i++) {
+ UNPACK64(ctx->h[i], &digest[i << 3]);
+ }
+#else
+ UNPACK64(ctx->h[0], &digest[ 0]);
+ UNPACK64(ctx->h[1], &digest[ 8]);
+ UNPACK64(ctx->h[2], &digest[16]);
+ UNPACK64(ctx->h[3], &digest[24]);
+ UNPACK64(ctx->h[4], &digest[32]);
+ UNPACK64(ctx->h[5], &digest[40]);
+#endif /* !UNROLL_LOOPS */
+}
+
+/* SHA-224 functions */
+
+void sha224(const unsigned char *message, unsigned int len,
+ unsigned char *digest)
+{
+ sha224_ctx ctx;
+
+ sha224_init(&ctx);
+ sha224_update(&ctx, message, len);
+ sha224_final(&ctx, digest);
+}
+
+void sha224_init(sha224_ctx *ctx)
+{
+#ifndef UNROLL_LOOPS
+ int i;
+ for (i = 0; i < 8; i++) {
+ ctx->h[i] = sha224_h0[i];
+ }
+#else
+ ctx->h[0] = sha224_h0[0]; ctx->h[1] = sha224_h0[1];
+ ctx->h[2] = sha224_h0[2]; ctx->h[3] = sha224_h0[3];
+ ctx->h[4] = sha224_h0[4]; ctx->h[5] = sha224_h0[5];
+ ctx->h[6] = sha224_h0[6]; ctx->h[7] = sha224_h0[7];
+#endif /* !UNROLL_LOOPS */
+
+ ctx->len = 0;
+ ctx->tot_len = 0;
+}
+
+void sha224_update(sha224_ctx *ctx, const unsigned char *message,
+ unsigned int len)
+{
+ unsigned int block_nb;
+ unsigned int new_len, rem_len, tmp_len;
+ const unsigned char *shifted_message;
+
+ tmp_len = SHA224_BLOCK_SIZE - ctx->len;
+ rem_len = len < tmp_len ? len : tmp_len;
+
+ memcpy(&ctx->block[ctx->len], message, rem_len);
+
+ if (ctx->len + len < SHA224_BLOCK_SIZE) {
+ ctx->len += len;
+ return;
+ }
+
+ new_len = len - rem_len;
+ block_nb = new_len / SHA224_BLOCK_SIZE;
+
+ shifted_message = message + rem_len;
+
+ sha256_transf(ctx, ctx->block, 1);
+ sha256_transf(ctx, shifted_message, block_nb);
+
+ rem_len = new_len % SHA224_BLOCK_SIZE;
+
+ memcpy(ctx->block, &shifted_message[block_nb << 6],
+ rem_len);
+
+ ctx->len = rem_len;
+ ctx->tot_len += (block_nb + 1) << 6;
+}
+
+void sha224_final(sha224_ctx *ctx, unsigned char *digest)
+{
+ unsigned int block_nb;
+ unsigned int pm_len;
+ unsigned int len_b;
+
+#ifndef UNROLL_LOOPS
+ int i;
+#endif
+
+ block_nb = (1 + ((SHA224_BLOCK_SIZE - 9)
+ < (ctx->len % SHA224_BLOCK_SIZE)));
+
+ len_b = (ctx->tot_len + ctx->len) << 3;
+ pm_len = block_nb << 6;
+
+ memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
+ ctx->block[ctx->len] = 0x80;
+ UNPACK32(len_b, ctx->block + pm_len - 4);
+
+ sha256_transf(ctx, ctx->block, block_nb);
+
+#ifndef UNROLL_LOOPS
+ for (i = 0 ; i < 7; i++) {
+ UNPACK32(ctx->h[i], &digest[i << 2]);
+ }
+#else
+ UNPACK32(ctx->h[0], &digest[ 0]);
+ UNPACK32(ctx->h[1], &digest[ 4]);
+ UNPACK32(ctx->h[2], &digest[ 8]);
+ UNPACK32(ctx->h[3], &digest[12]);
+ UNPACK32(ctx->h[4], &digest[16]);
+ UNPACK32(ctx->h[5], &digest[20]);
+ UNPACK32(ctx->h[6], &digest[24]);
+#endif /* !UNROLL_LOOPS */
+}
+
+#ifdef TEST_VECTORS
+
+/* FIPS 180-2 Validation tests */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+void test(const unsigned char *vector, unsigned char *digest,
+ unsigned int digest_size)
+{
+ unsigned char output[2 * SHA512_DIGEST_SIZE + 1];
+ int i;
+
+ output[2 * digest_size] = '\0';
+
+ for (i = 0; i < (int) digest_size ; i++) {
+ sprintf((char *) output + 2 * i, "%02x", digest[i]);
+ }
+
+ printf("H: %s\n", output);
+ if (strcmp((char *) vector, (char *) output)) {
+ fprintf(stderr, "Test failed.\n");
+ exit(EXIT_FAILURE);
+ }
+}
+
+int main()
+{
+ static const unsigned char *vectors[4][3] =
+ { /* SHA-224 */
+ {
+ "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7",
+ "75388b16512776cc5dba5da1fd890150b0c6455cb4f58b1952522525",
+ "20794655980c91d8bbb4c1ea97618a4bf03f42581948b2ee4ee7ad67",
+ },
+ /* SHA-256 */
+ {
+ "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
+ "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1",
+ "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0",
+ },
+ /* SHA-384 */
+ {
+ "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed"
+ "8086072ba1e7cc2358baeca134c825a7",
+ "09330c33f71147e83d192fc782cd1b4753111b173b3b05d22fa08086e3b0f712"
+ "fcc7c71a557e2db966c3e9fa91746039",
+ "9d0e1809716474cb086e834e310a4a1ced149e9c00f248527972cec5704c2a5b"
+ "07b8b3dc38ecc4ebae97ddd87f3d8985",
+ },
+ /* SHA-512 */
+ {
+ "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a"
+ "2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
+ "8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018"
+ "501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909",
+ "e718483d0ce769644e2e42c7bc15b4638e1f98b13b2044285632a803afa973eb"
+ "de0ff244877ea60a4cb0432ce577c31beb009c5c2c49aa2e4eadb217ad8cc09b"
+ }
+ };
+
+ static const unsigned char message1[] = "abc";
+ static const unsigned char message2a[] = "abcdbcdecdefdefgefghfghighijhi"
+ "jkijkljklmklmnlmnomnopnopq";
+ static const unsigned char message2b[] =
+ "abcdefghbcdefghicdefghijdefghijkefghij"
+ "klfghijklmghijklmnhijklmnoijklmnopjklm"
+ "nopqklmnopqrlmnopqrsmnopqrstnopqrstu";
+ unsigned char *message3;
+ unsigned int message3_len = 1000000;
+ unsigned char digest[SHA512_DIGEST_SIZE];
+
+ message3 = malloc(message3_len);
+ if (message3 == NULL) {
+ fprintf(stderr, "Can't allocate memory\n");
+ return -1;
+ }
+ memset(message3, 'a', message3_len);
+
+ printf("SHA-2 FIPS 180-2 Validation tests\n\n");
+ printf("SHA-224 Test vectors\n");
+
+ sha224(message1, strlen((char *) message1), digest);
+ test(vectors[0][0], digest, SHA224_DIGEST_SIZE);
+ sha224(message2a, strlen((char *) message2a), digest);
+ test(vectors[0][1], digest, SHA224_DIGEST_SIZE);
+ sha224(message3, message3_len, digest);
+ test(vectors[0][2], digest, SHA224_DIGEST_SIZE);
+ printf("\n");
+
+ printf("SHA-256 Test vectors\n");
+
+ sha256(message1, strlen((char *) message1), digest);
+ test(vectors[1][0], digest, SHA256_DIGEST_SIZE);
+ sha256(message2a, strlen((char *) message2a), digest);
+ test(vectors[1][1], digest, SHA256_DIGEST_SIZE);
+ sha256(message3, message3_len, digest);
+ test(vectors[1][2], digest, SHA256_DIGEST_SIZE);
+ printf("\n");
+
+ printf("SHA-384 Test vectors\n");
+
+ sha384(message1, strlen((char *) message1), digest);
+ test(vectors[2][0], digest, SHA384_DIGEST_SIZE);
+ sha384(message2b, strlen((char *) message2b), digest);
+ test(vectors[2][1], digest, SHA384_DIGEST_SIZE);
+ sha384(message3, message3_len, digest);
+ test(vectors[2][2], digest, SHA384_DIGEST_SIZE);
+ printf("\n");
+
+ printf("SHA-512 Test vectors\n");
+
+ sha512(message1, strlen((char *) message1), digest);
+ test(vectors[3][0], digest, SHA512_DIGEST_SIZE);
+ sha512(message2b, strlen((char *) message2b), digest);
+ test(vectors[3][1], digest, SHA512_DIGEST_SIZE);
+ sha512(message3, message3_len, digest);
+ test(vectors[3][2], digest, SHA512_DIGEST_SIZE);
+ printf("\n");
+
+ printf("All tests passed.\n");
+
+ return 0;
+}
+
+#endif /* TEST_VECTORS */
+
+
generated by cgit v1.2.3 (git 2.46.0) at 2026-01-26 17:39:02 +0000