code/early_research_code/bx_seed_walker_bip39_mnemonic/sha256.h

61 lines
2.1 KiB
C

/* libsodium: crypto_hash_sha256.h, v0.4.5 2014/04/16 */
/**
* Copyright 2005,2007,2009 Colin Percival. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 CONTRIBUTORS 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 LIBBITCOIN_SHA256_H
#define LIBBITCOIN_SHA256_H
#include <stdint.h>
#include <stddef.h>
#define SHA256_STATE_LENGTH 8U
#define SHA256_COUNT_LENGTH 2U
#define SHA256_BLOCK_LENGTH 64U
#define SHA256_DIGEST_LENGTH 32U
#ifdef __cplusplus
extern "C"
{
#endif
typedef struct SHA256CTX
{
uint32_t state[SHA256_STATE_LENGTH];
uint32_t count[SHA256_COUNT_LENGTH];
uint8_t buf[SHA256_BLOCK_LENGTH];
} SHA256CTX;
void SHA256_(const uint8_t* input, size_t length,
uint8_t digest[SHA256_DIGEST_LENGTH]);
void SHA256Init(SHA256CTX* context);
void SHA256Update(SHA256CTX* context, const uint8_t* input, size_t length);
void SHA256Final(SHA256CTX* context, uint8_t digest[SHA256_DIGEST_LENGTH]);
#ifdef __cplusplus
}
#endif
#endif