3 This file is part of the Crypto-avr-lib/microcrypt-lib.
4 Copyright (C) 2008 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/>.
32 #define SHA256_HASH_BITS 256
33 #define SHA256_BLOCK_BITS 512
40 typedef uint8_t sha256_hash_t[SHA256_HASH_BITS/8];
42 void sha256_ctx2hash(sha256_hash_t *dest, sha256_ctx_t *state);
43 void sha256(sha256_hash_t *dest, void* msg, uint32_t length);
44 void sha256_init(sha256_ctx_t *state);
45 void sha256_nextBlock(sha256_ctx_t *state, void* block);
46 void sha256_lastBlock(sha256_ctx_t *state, void* block, uint16_t length);
47 uint32_t rotr32(uint32_t, uint8_t);
48 uint32_t change_endian32(uint32_t x);
50 #endif /*SHA256ASM_H_*/