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trezor-firmware/sha2.h
2014-05-22 20:54:58 +02:00

70 lines
2.9 KiB
C

/**
* Copyright (c) 2000-2001 Aaron D. Gifford
* Copyright (c) 2013-2014 Pavol Rusnak
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef __SHA2_H__
#define __SHA2_H__
#include <stdint.h>
#include <stddef.h>
#define SHA256_BLOCK_LENGTH 64
#define SHA256_DIGEST_LENGTH 32
#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
#define SHA512_BLOCK_LENGTH 128
#define SHA512_DIGEST_LENGTH 64
#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
typedef struct _SHA256_CTX {
uint32_t state[8];
uint64_t bitcount;
uint8_t buffer[SHA256_BLOCK_LENGTH];
} SHA256_CTX;
typedef struct _SHA512_CTX {
uint64_t state[8];
uint64_t bitcount[2];
uint8_t buffer[SHA512_BLOCK_LENGTH];
} SHA512_CTX;
void sha256_Init(SHA256_CTX *);
void sha256_Update(SHA256_CTX*, const uint8_t*, size_t);
void sha256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
char* sha256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
void sha256_Raw(const uint8_t*, size_t, uint8_t[SHA256_DIGEST_LENGTH]);
char* sha256_Data(const uint8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
void sha512_Init(SHA512_CTX*);
void sha512_Update(SHA512_CTX*, const uint8_t*, size_t);
void sha512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
char* sha512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
void sha512_Raw(const uint8_t*, size_t, uint8_t[SHA512_DIGEST_LENGTH]);
char* sha512_Data(const uint8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
#endif