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trezor-firmware/crypto/hasher.h

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/**
* Copyright (c) 2017 Saleem Rashid
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES
* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __HASHER_H__
#define __HASHER_H__
#include <stddef.h>
#include <stdint.h>
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#include "blake256.h"
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#include "blake2b.h"
#include "groestl.h"
#include "sha2.h"
#include "sha3.h"
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#define HASHER_DIGEST_LENGTH 32
typedef enum {
HASHER_SHA2,
HASHER_SHA2D,
HASHER_SHA2_RIPEMD,
HASHER_SHA2_TAPSIGHASH,
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HASHER_SHA3,
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#if USE_KECCAK
HASHER_SHA3K,
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#endif
HASHER_BLAKE,
HASHER_BLAKED,
HASHER_BLAKE_RIPEMD,
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HASHER_GROESTLD_TRUNC, /* Double Groestl512 hasher truncated to 256 bits */
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HASHER_BLAKE2B,
HASHER_BLAKE2B_PERSONAL,
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} HasherType;
typedef struct {
HasherType type;
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union {
SHA256_CTX sha2; // for HASHER_SHA2{,D}
SHA3_CTX sha3; // for HASHER_SHA3{,K}
BLAKE256_CTX blake; // for HASHER_BLAKE{,D}
GROESTL512_CTX groestl; // for HASHER_GROESTLD_TRUNC
BLAKE2B_CTX blake2b; // for HASHER_BLAKE2B{,_PERSONAL}
} ctx;
const void *param;
uint32_t param_size;
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} Hasher;
void hasher_InitParam(Hasher *hasher, HasherType type, const void *param,
uint32_t param_size);
void hasher_Init(Hasher *hasher, HasherType type);
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void hasher_Reset(Hasher *hasher);
void hasher_Update(Hasher *hasher, const uint8_t *data, size_t length);
void hasher_Final(Hasher *hasher, uint8_t hash[HASHER_DIGEST_LENGTH]);
void hasher_Raw(HasherType type, const uint8_t *data, size_t length,
uint8_t hash[HASHER_DIGEST_LENGTH]);
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#endif