68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/* sha256.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 2006-05-16
|
|
* \par License
|
|
* GPL
|
|
*
|
|
*/
|
|
|
|
#ifndef SHA256_H_
|
|
#define SHA256_H_
|
|
|
|
#define __LITTLE_ENDIAN__
|
|
|
|
|
|
#include <stdint.h>
|
|
|
|
|
|
#define SHA256_HASH_BITS 256
|
|
#define SHA256_HASH_BYTES (SHA256_HASH_BITS/8)
|
|
#define SHA256_BLOCK_BITS 512
|
|
#define SHA256_BLOCK_BYTES (SHA256_BLOCK_BITS/8)
|
|
|
|
/**
|
|
* \brief sha256 context type
|
|
*
|
|
*/
|
|
typedef struct {
|
|
uint32_t h[8];
|
|
uint64_t length;
|
|
} sha256_ctx_t;
|
|
|
|
typedef uint8_t sha256_hash_t[SHA256_HASH_BYTES];
|
|
|
|
void sha256_init(sha256_ctx_t *state);
|
|
|
|
void sha256_nextBlock (sha256_ctx_t *state, const void* block);
|
|
void sha256_lastBlock(sha256_ctx_t *state, const void* block, uint16_t length_b);
|
|
|
|
void sha256_ctx2hash(sha256_hash_t *dest, const sha256_ctx_t *state);
|
|
|
|
/*
|
|
* length in bits!
|
|
*/
|
|
void sha256(sha256_hash_t *dest, const void* msg, uint32_t length_b);
|
|
uint32_t change_endian32(uint32_t x);
|
|
|
|
|
|
#endif /*SHA256_H_*/
|