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