/** * 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> #include "blake256.h" #include "blake2b.h" #include "groestl.h" #include "sha2.h" #include "sha3.h" #define HASHER_DIGEST_LENGTH 32 typedef enum { HASHER_SHA2, HASHER_SHA2D, HASHER_SHA2_RIPEMD, HASHER_SHA2_TAPSIGHASH, HASHER_SHA3, #if USE_KECCAK HASHER_SHA3K, #endif HASHER_BLAKE, HASHER_BLAKED, HASHER_BLAKE_RIPEMD, HASHER_GROESTLD_TRUNC, /* Double Groestl512 hasher truncated to 256 bits */ HASHER_BLAKE2B, HASHER_BLAKE2B_PERSONAL, } HasherType; typedef struct { HasherType type; 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; } Hasher; void hasher_InitParam(Hasher *hasher, HasherType type, const void *param, uint32_t param_size); void hasher_Init(Hasher *hasher, HasherType type); 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]); #endif