diff options
Diffstat (limited to 'Plugins/DbSqliteWx/sha2.c')
| -rw-r--r-- | Plugins/DbSqliteWx/sha2.c | 961 |
1 files changed, 0 insertions, 961 deletions
diff --git a/Plugins/DbSqliteWx/sha2.c b/Plugins/DbSqliteWx/sha2.c deleted file mode 100644 index 8c95c56..0000000 --- a/Plugins/DbSqliteWx/sha2.c +++ /dev/null @@ -1,961 +0,0 @@ -/* - * 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 */ - - |