sha512_256.h

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/**
 * @file sha512_256.h
 * @brief SHA-512/256 (Secure Hash Algorithm)
 *
 * @section License
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 *
 * Copyright (C) 2010-2024 Oryx Embedded SARL. All rights reserved.
 *
 * This file is part of CycloneCRYPTO Open.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * 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.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * @author Oryx Embedded SARL (www.oryx-embedded.com)
 * @version 2.4.4
 **/
 
#ifndef _SHA512_256_H
#define _SHA512_256_H
 
//Dependencies
#include "core/crypto.h"
#include "hash/sha512.h"
 
//SHA-512/256 block size
#define SHA512_256_BLOCK_SIZE 128
//SHA-512/256 digest size
#define SHA512_256_DIGEST_SIZE 32
//Minimum length of the padding string
#define SHA512_256_MIN_PAD_SIZE 17
//Common interface for hash algorithms
#define SHA512_256_HASH_ALGO (&sha512_256HashAlgo)
 
//C++ guard
#ifdef __cplusplus
extern "C" {
#endif
 
 
/**
 * @brief SHA-512/256 algorithm context
 **/
 
typedef Sha512Context Sha512_256Context;
 
 
//SHA-512/256 related constants
extern const uint8_t SHA512_256_OID[9];
extern const HashAlgo sha512_256HashAlgo;
 
//SHA-512/256 related functions
error_t sha512_256Compute(const void *data, size_t length, uint8_t *digest);
void sha512_256Init(Sha512_256Context *context);
void sha512_256Update(Sha512_256Context *context, const void *data, size_t length);
void sha512_256Final(Sha512_256Context *context, uint8_t *digest);
 
//C++ guard
#ifdef __cplusplus
}
#endif
 
#endif