/* * 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 * 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. */ #define SHA512_DIGEST_SIZE (512 / 8) #include #include #define SHA512_BLOCK_SIZE (1024 / 8) typedef struct { unsigned int tot_len; unsigned int len; unsigned char block[2 * SHA512_BLOCK_SIZE]; unsigned long long h[8]; } sha512_ctx; typedef struct { sha512_ctx ctx_inside; sha512_ctx ctx_outside; /* for hmac_reinit */ sha512_ctx ctx_inside_reinit; sha512_ctx ctx_outside_reinit; unsigned char block_ipad[SHA512_BLOCK_SIZE]; unsigned char block_opad[SHA512_BLOCK_SIZE]; } hmac_sha512_ctx; #define SHFR(x, n) (x >> n) #define ROTR(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 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) = (unsigned char) ((x) ); \ *((str) + 2) = (unsigned char) ((x) >> 8); \ *((str) + 1) = (unsigned char) ((x) >> 16); \ *((str) + 0) = (unsigned char) ((x) >> 24); \ } #define UNPACK64(x, str) \ { \ *((str) + 7) = (unsigned char) ((x) ); \ *((str) + 6) = (unsigned char) ((x) >> 8); \ *((str) + 5) = (unsigned char) ((x) >> 16); \ *((str) + 4) = (unsigned char) ((x) >> 24); \ *((str) + 3) = (unsigned char) ((x) >> 32); \ *((str) + 2) = (unsigned char) ((x) >> 40); \ *((str) + 1) = (unsigned char) ((x) >> 48); \ *((str) + 0) = (unsigned char) ((x) >> 56); \ } #define PACK64(str, x) \ { \ *(x) = ((unsigned long long) *((str) + 7) ) \ | ((unsigned long long) *((str) + 6) << 8) \ | ((unsigned long long) *((str) + 5) << 16) \ | ((unsigned long long) *((str) + 4) << 24) \ | ((unsigned long long) *((str) + 3) << 32) \ | ((unsigned long long) *((str) + 2) << 40) \ | ((unsigned long long) *((str) + 1) << 48) \ | ((unsigned long long) *((str) + 0) << 56); \ } /* Macros used for loops unrolling */ #define SHA512_SCR(i) \ { \ w[i] = SHA512_F4(w[i - 2]) + w[i - 7] \ + SHA512_F3(w[i - 15]) + w[i - 16]; \ } #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; \ } static unsigned long long sha512_h0[8] = { 0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL, 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL, 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL }; static unsigned long long 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 }; static void sha512_transf(sha512_ctx * ctx, const unsigned char *message, unsigned int block_nb) { unsigned long long w[80]; unsigned long long wv[8]; unsigned long long t1, t2; const unsigned char *sub_block; int i, j; for (i = 0; i < (int)block_nb; i++) { sub_block = message + (i << 7); 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]; } } static void _sha512_init(sha512_ctx * ctx) { 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]; ctx->len = 0; ctx->tot_len = 0; } static 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; } static void sha512_final(sha512_ctx * ctx, unsigned char *digest) { unsigned int block_nb; unsigned int pm_len; unsigned int len_b; 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); 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]); } 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); } int32_t init_hexbytes_noT(char *hexbytes,uint8_t *message,long len); void calc_sha512(char *str,uint8_t *digest,uint8_t *message,int32_t len) { sha512_ctx ctx; _sha512_init(&ctx); sha512_update(&ctx, message, len); sha512_final(&ctx, digest); if ( str != 0 ) init_hexbytes_noT(str,digest,512>>3); } static void hmac_sha512_init(hmac_sha512_ctx * ctx, const unsigned char *key,unsigned int key_size) { unsigned int fill; unsigned int num; const unsigned char *key_used; unsigned char key_temp[SHA512_DIGEST_SIZE]; int i; if (key_size == SHA512_BLOCK_SIZE) { key_used = key; num = SHA512_BLOCK_SIZE; } else { if (key_size > SHA512_BLOCK_SIZE) { num = SHA512_DIGEST_SIZE; sha512(key, key_size, key_temp); key_used = key_temp; } else { /* key_size > SHA512_BLOCK_SIZE */ key_used = key; num = key_size; } fill = SHA512_BLOCK_SIZE - num; memset(ctx->block_ipad + num, 0x36, fill); memset(ctx->block_opad + num, 0x5c, fill); } for (i = 0; i < (int)num; i++) { ctx->block_ipad[i] = key_used[i] ^ 0x36; ctx->block_opad[i] = key_used[i] ^ 0x5c; } _sha512_init(&ctx->ctx_inside); sha512_update(&ctx->ctx_inside, ctx->block_ipad, SHA512_BLOCK_SIZE); _sha512_init(&ctx->ctx_outside); sha512_update(&ctx->ctx_outside, ctx->block_opad, SHA512_BLOCK_SIZE); /* for hmac_reinit */ memcpy(&ctx->ctx_inside_reinit, &ctx->ctx_inside, sizeof(sha512_ctx)); memcpy(&ctx->ctx_outside_reinit, &ctx->ctx_outside, sizeof(sha512_ctx)); } static void hmac_sha512_update(hmac_sha512_ctx * ctx, const unsigned char *message, unsigned int message_len) { sha512_update(&ctx->ctx_inside, message, message_len); } static void hmac_sha512_final(hmac_sha512_ctx * ctx, unsigned char *mac, unsigned int mac_size) { unsigned char digest_inside[SHA512_DIGEST_SIZE]; unsigned char mac_temp[SHA512_DIGEST_SIZE]; sha512_final(&ctx->ctx_inside, digest_inside); sha512_update(&ctx->ctx_outside, digest_inside, SHA512_DIGEST_SIZE); sha512_final(&ctx->ctx_outside, mac_temp); memcpy(mac, mac_temp, mac_size); } void hmac_sha512str(const unsigned char *key, unsigned int key_size, const unsigned char *message, unsigned int message_len, unsigned char *mac, unsigned mac_size) { hmac_sha512_ctx ctx; hmac_sha512_init(&ctx, key, key_size); hmac_sha512_update(&ctx, message, message_len); hmac_sha512_final(&ctx, mac, mac_size); } int init_hexbytes_noT(char *hexbytes,unsigned char *message,long len); #ifndef libtom_hmac #define libtom_hmac #include "hmac/crypt_argchk.c" #include "hmac/hash_memory.c" #include "hmac/hmac_init.c" #include "hmac/hmac_process.c" #include "hmac/hmac_done.c" #include "hmac/hmac_file.c" #include "hmac/hmac_memory.c" #include "hmac/rmd128.c" #include "hmac/rmd160.c" #include "hmac/rmd256.c" #include "hmac/rmd320.c" #include "hmac/tiger.c" #include "hmac/md2.c" #include "hmac/md4.c" #include "hmac/md5.c" #include "hmac/sha1.c" #include "hmac/whirl.c" #include "hmac/sha224.c" #include "hmac/sha256.c" #include "hmac/sha384.c" #include "hmac/sha512.c" #endif char *hmac_sha512_str(char *dest,char *key,int32_t key_size,char *message) { unsigned char mac[SHA512_DIGEST_SIZE],checkbuf[SHA512_DIGEST_SIZE*2 + 1]; char dest2[SHA512_DIGEST_SIZE*2 + 1]; unsigned long size = sizeof(checkbuf); //int i; hmac_sha512str((const unsigned char *)key,key_size,(const unsigned char *)message,(int)strlen(message),mac,SHA512_DIGEST_SIZE); //for (i=0; i