avr-crypto-lib/sha256-asm.h

51 lines
1.5 KiB
C

/* sha256-asm.h */
/*
This file is part of the Crypto-avr-lib/microcrypt-lib.
Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file sha256-asm.h
* \author Daniel Otte
* \date 16.05.2006
* \par License
* GPL
*
*/
#ifndef SHA256ASM_H_
#define SHA256ASM_H_
#define SHA256_HASH_BITS 256
#define SHA256_BLOCK_BITS 512
typedef struct {
uint32_t h[8];
uint64_t length;
} sha256_ctx_t;
typedef uint8_t sha256_hash_t[SHA256_HASH_BITS/8];
void sha256_ctx2hash(sha256_hash_t *dest, sha256_ctx_t *state);
void sha256(sha256_hash_t *dest, void* msg, uint32_t length);
void sha256_init(sha256_ctx_t *state);
void sha256_nextBlock(sha256_ctx_t *state, void* block);
void sha256_lastBlock(sha256_ctx_t *state, void* block, uint16_t length);
uint32_t rotr32(uint32_t, uint8_t);
uint32_t change_endian32(uint32_t x);
#endif /*SHA256ASM_H_*/