diff options
Diffstat (limited to 'vendor')
| -rw-r--r-- | vendor/README.md | 12 | ||||
| -rw-r--r-- | vendor/sha2/sha2.c | 949 | ||||
| -rw-r--r-- | vendor/sha2/sha2.h | 108 |
3 files changed, 1068 insertions, 1 deletions
diff --git a/vendor/README.md b/vendor/README.md index a6bc7c693..5ed4fbbbf 100644 --- a/vendor/README.md +++ b/vendor/README.md @@ -4,10 +4,20 @@ This directory contains vendored dependencies that are shipped with InspIRCd to ## bcrypt -**Name** — Openwall bcrypt +**Author** — Solar Designer <solar@openwall.com> **Last Updated** — 2018-08-14 (v1.3) **License** — Public Domain **Website** — [http://openwall.com/crypt/](http://openwall.com/crypt/) + +## sha256 + +**Author** — Olivier Gay <olivier.gay@a3.epfl.ch> + +**Last Updated** — 2018-09-06 (2007-02-02) + +**License** — 3-clause BSD + +**Website** — [http://www.ouah.org/ogay/sha2/](http://www.ouah.org/ogay/sha2/) diff --git a/vendor/sha2/sha2.c b/vendor/sha2/sha2.c new file mode 100644 index 000000000..0fe4c375c --- /dev/null +++ b/vendor/sha2/sha2.c @@ -0,0 +1,949 @@ +/* + * 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] = + {0xcbbb9d5dc1059ed8ULL, 0x629a292a367cd507ULL, + 0x9159015a3070dd17ULL, 0x152fecd8f70e5939ULL, + 0x67332667ffc00b31ULL, 0x8eb44a8768581511ULL, + 0xdb0c2e0d64f98fa7ULL, 0x47b5481dbefa4fa4ULL}; + +uint64 sha512_h0[8] = + {0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, + 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL, + 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL, + 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL}; + +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] = + {0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, + 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL, + 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL, + 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL, + 0xd807aa98a3030242ULL, 0x12835b0145706fbeULL, + 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL, + 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL, + 0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL, + 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL, + 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL, + 0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL, + 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL, + 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL, + 0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL, + 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL, + 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL, + 0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL, + 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL, + 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL, + 0x81c2c92e47edaee6ULL, 0x92722c851482353bULL, + 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL, + 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL, + 0xd192e819d6ef5218ULL, 0xd69906245565a910ULL, + 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL, + 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL, + 0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL, + 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL, + 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL, + 0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL, + 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL, + 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL, + 0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL, + 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL, + 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL, + 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL, + 0x113f9804bef90daeULL, 0x1b710b35131c471bULL, + 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, + 0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL, + 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL, + 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL}; + +/* 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 char *vector, unsigned char *digest, + unsigned int digest_size) +{ + char output[2 * SHA512_DIGEST_SIZE + 1]; + int i; + + output[2 * digest_size] = '\0'; + + for (i = 0; i < (int) digest_size ; i++) { + sprintf(output + 2 * i, "%02x", digest[i]); + } + + printf("H: %s\n", output); + if (strcmp(vector, output)) { + fprintf(stderr, "Test failed.\n"); + exit(EXIT_FAILURE); + } +} + +int main(void) +{ + static const 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 char message1[] = "abc"; + static const char message2a[] = "abcdbcdecdefdefgefghfghighijhi" + "jkijkljklmklmnlmnomnopnopq"; + static const 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((const unsigned char *) message1, strlen(message1), digest); + test(vectors[0][0], digest, SHA224_DIGEST_SIZE); + sha224((const unsigned char *) message2a, strlen(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((const unsigned char *) message1, strlen(message1), digest); + test(vectors[1][0], digest, SHA256_DIGEST_SIZE); + sha256((const unsigned char *) message2a, strlen(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((const unsigned char *) message1, strlen(message1), digest); + test(vectors[2][0], digest, SHA384_DIGEST_SIZE); + sha384((const unsigned char *)message2b, strlen(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((const unsigned char *) message1, strlen(message1), digest); + test(vectors[3][0], digest, SHA512_DIGEST_SIZE); + sha512((const unsigned char *) message2b, strlen(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 */ + diff --git a/vendor/sha2/sha2.h b/vendor/sha2/sha2.h new file mode 100644 index 000000000..60f52e34d --- /dev/null +++ b/vendor/sha2/sha2.h @@ -0,0 +1,108 @@ +/* + * 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. + */ + +#ifndef SHA2_H +#define SHA2_H + +#define SHA224_DIGEST_SIZE ( 224 / 8) +#define SHA256_DIGEST_SIZE ( 256 / 8) +#define SHA384_DIGEST_SIZE ( 384 / 8) +#define SHA512_DIGEST_SIZE ( 512 / 8) + +#define SHA256_BLOCK_SIZE ( 512 / 8) +#define SHA512_BLOCK_SIZE (1024 / 8) +#define SHA384_BLOCK_SIZE SHA512_BLOCK_SIZE +#define SHA224_BLOCK_SIZE SHA256_BLOCK_SIZE + +#ifndef SHA2_TYPES +#define SHA2_TYPES +typedef unsigned char uint8; +typedef unsigned int uint32; +typedef unsigned long long uint64; +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct { + unsigned int tot_len; + unsigned int len; + unsigned char block[2 * SHA256_BLOCK_SIZE]; + uint32 h[8]; +} sha256_ctx; + +typedef struct { + unsigned int tot_len; + unsigned int len; + unsigned char block[2 * SHA512_BLOCK_SIZE]; + uint64 h[8]; +} sha512_ctx; + +typedef sha512_ctx sha384_ctx; +typedef sha256_ctx sha224_ctx; + +void sha224_init(sha224_ctx *ctx); +void sha224_update(sha224_ctx *ctx, const unsigned char *message, + unsigned int len); +void sha224_final(sha224_ctx *ctx, unsigned char *digest); +void sha224(const unsigned char *message, unsigned int len, + unsigned char *digest); + +void sha256_init(sha256_ctx * ctx); +void sha256_update(sha256_ctx *ctx, const unsigned char *message, + unsigned int len); +void sha256_final(sha256_ctx *ctx, unsigned char *digest); +void sha256(const unsigned char *message, unsigned int len, + unsigned char *digest); + +void sha384_init(sha384_ctx *ctx); +void sha384_update(sha384_ctx *ctx, const unsigned char *message, + unsigned int len); +void sha384_final(sha384_ctx *ctx, unsigned char *digest); +void sha384(const unsigned char *message, unsigned int len, + unsigned char *digest); + +void sha512_init(sha512_ctx *ctx); +void sha512_update(sha512_ctx *ctx, const unsigned char *message, + unsigned int len); +void sha512_final(sha512_ctx *ctx, unsigned char *digest); +void sha512(const unsigned char *message, unsigned int len, + unsigned char *digest); + +#ifdef __cplusplus +} +#endif + +#endif /* !SHA2_H */ + |