3 This file is part of the ARM-Crypto-Lib.
4 Copyright (C) 2006-2011 Daniel Otte (daniel.otte@rub.de)
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include <avr/pgmspace.h>
23 #include "sha2_large_common.h"
27 void sha512_nextBlock (sha512_ctx_t *ctx, const void *block){
28 sha2_large_common_nextBlock(ctx, block);
31 void sha512_lastBlock(sha512_ctx_t *ctx, const void *block, uint16_t length_b){
32 sha2_large_common_lastBlock(ctx, block, length_b);
36 uint64_t sha512_init_values[8] PROGMEM = {
37 0x6a09e667f3bcc908LL, 0xbb67ae8584caa73bLL, 0x3c6ef372fe94f82bLL, 0xa54ff53a5f1d36f1LL,
38 0x510e527fade682d1LL, 0x9b05688c2b3e6c1fLL, 0x1f83d9abfb41bd6bLL, 0x5be0cd19137e2179LL
42 void sha512_init(sha512_ctx_t *ctx){
44 memcpy_P(ctx->h, sha512_init_values, 8*8);
47 void sha512_ctx2hash(void *dest, const sha512_ctx_t *ctx){
48 uint8_t i=8, j, *s = (uint8_t*)(ctx->h);
52 *((uint8_t*)dest) = s[j];
53 dest = (uint8_t*)dest + 1;
60 void sha512(void *dest, const void *msg, uint32_t length_b){
63 while(length_b >= 1024){
64 sha512_nextBlock(&ctx, msg);
65 msg = (uint8_t*)msg + 1024/8;
68 sha512_lastBlock(&ctx, msg, length_b);
69 sha512_ctx2hash(dest, &ctx);