mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-22 07:28:10 +00:00
90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/* sha3.h - an implementation of Secure Hash Algorithm 3 (Keccak).
|
|
* based on the
|
|
* The Keccak SHA-3 submission. Submission to NIST (Round 3), 2011
|
|
* by Guido Bertoni, Joan Daemen, Michaël Peeters and Gilles Van Assche
|
|
*
|
|
* Copyright: 2013 Aleksey Kravchenko <rhash.admin@gmail.com>
|
|
*
|
|
* 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.
|
|
*
|
|
* 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. Use this program at your own risk!
|
|
*/
|
|
|
|
#ifndef __SHA3_H__
|
|
#define __SHA3_H__
|
|
|
|
#include <stdint.h>
|
|
#include "options.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define sha3_224_hash_size 28
|
|
#define sha3_256_hash_size 32
|
|
#define sha3_384_hash_size 48
|
|
#define sha3_512_hash_size 64
|
|
#define sha3_max_permutation_size 25
|
|
#define sha3_max_rate_in_qwords 24
|
|
|
|
#define SHA3_224_BLOCK_LENGTH 144
|
|
#define SHA3_256_BLOCK_LENGTH 136
|
|
#define SHA3_384_BLOCK_LENGTH 104
|
|
#define SHA3_512_BLOCK_LENGTH 72
|
|
|
|
#define SHA3_224_DIGEST_LENGTH sha3_224_hash_size
|
|
#define SHA3_256_DIGEST_LENGTH sha3_256_hash_size
|
|
#define SHA3_384_DIGEST_LENGTH sha3_384_hash_size
|
|
#define SHA3_512_DIGEST_LENGTH sha3_512_hash_size
|
|
|
|
/**
|
|
* SHA3 Algorithm context.
|
|
*/
|
|
typedef struct SHA3_CTX
|
|
{
|
|
/* 1600 bits algorithm hashing state */
|
|
uint64_t hash[sha3_max_permutation_size];
|
|
/* 1536-bit buffer for leftovers */
|
|
uint64_t message[sha3_max_rate_in_qwords];
|
|
/* count of bytes in the message[] buffer */
|
|
unsigned rest;
|
|
/* size of a message block processed at once */
|
|
unsigned block_size;
|
|
} SHA3_CTX;
|
|
|
|
/* methods for calculating the hash function */
|
|
|
|
void sha3_224_Init(SHA3_CTX *ctx);
|
|
void sha3_256_Init(SHA3_CTX *ctx);
|
|
void sha3_384_Init(SHA3_CTX *ctx);
|
|
void sha3_512_Init(SHA3_CTX *ctx);
|
|
void sha3_Update(SHA3_CTX *ctx, const unsigned char* msg, size_t size);
|
|
void sha3_Final(SHA3_CTX *ctx, unsigned char* result);
|
|
|
|
#if USE_KECCAK
|
|
#define keccak_224_Init sha3_224_Init
|
|
#define keccak_256_Init sha3_256_Init
|
|
#define keccak_384_Init sha3_384_Init
|
|
#define keccak_512_Init sha3_512_Init
|
|
#define keccak_Update sha3_Update
|
|
void keccak_Final(SHA3_CTX *ctx, unsigned char* result);
|
|
void keccak_256(const unsigned char* data, size_t len, unsigned char* digest);
|
|
void keccak_512(const unsigned char* data, size_t len, unsigned char* digest);
|
|
#endif
|
|
|
|
void sha3_256(const unsigned char* data, size_t len, unsigned char* digest);
|
|
void sha3_512(const unsigned char* data, size_t len, unsigned char* digest);
|
|
|
|
#ifdef __cplusplus
|
|
} /* extern "C" */
|
|
#endif /* __cplusplus */
|
|
|
|
#endif /* __SHA3_H__ */
|