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/>.
23 #include <avr/pgmspace.h>
24 #include "sha2_large_common.h"
28 void sha384_nextBlock (sha384_ctx_t *ctx, const void *block){
29 sha2_large_common_nextBlock(ctx, block);
32 void sha384_lastBlock(sha384_ctx_t *ctx, const void *block, uint16_t length_b){
33 sha2_large_common_lastBlock(ctx, block, length_b);
37 uint64_t sha384_init_values[8] PROGMEM = {
38 0xcbbb9d5dc1059ed8, 0x629a292a367cd507, 0x9159015a3070dd17, 0x152fecd8f70e5939,
39 0x67332667ffc00b31, 0x8eb44a8768581511, 0xdb0c2e0d64f98fa7, 0x47b5481dbefa4fa4
43 void sha384_init(sha384_ctx_t *ctx){
45 memcpy_P(ctx->h, sha384_init_values, 8*8);
48 void sha384_ctx2hash(void *dest, const sha384_ctx_t *ctx){
49 uint8_t i=6, j, *s = (uint8_t*)(ctx->h);
53 *((uint8_t*)dest) = s[j];
54 dest = (uint8_t*)dest + 1;
61 void sha384(void *dest, const void *msg, uint32_t length_b){
64 while(length_b >= 1024){
65 sha384_nextBlock(&ctx, msg);
66 msg = (uint8_t*)msg + 1024/8;
69 sha384_lastBlock(&ctx, msg, length_b);
70 sha384_ctx2hash(dest, &ctx);