stm32c5xx_crypto_hash.h

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/**
 * @file stm32c5xx_crypto_hash.h
 * @brief STM32C5 hash hardware accelerator
 *
 * @section License
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 *
 * Copyright (C) 2010-2026 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 2.6.2
 **/
 
#ifndef _STM32C5XX_CRYPTO_HASH_H
#define _STM32C5XX_CRYPTO_HASH_H
 
//Dependencies
#include "core/crypto.h"
 
//Hash hardware accelerator
#ifndef STM32C5XX_CRYPTO_HASH_SUPPORT
   #define STM32C5XX_CRYPTO_HASH_SUPPORT DISABLED
#elif (STM32C5XX_CRYPTO_HASH_SUPPORT != ENABLED && STM32C5XX_CRYPTO_HASH_SUPPORT != DISABLED)
   #error STM32C5XX_CRYPTO_HASH_SUPPORT parameter is not valid
#endif
 
//ALGO bitfield
#if defined(HASH_CR_ALGO_2) && defined(HASH_CR_ALGO_3)
   #define HASH_CR_ALGO_SHA1       0
   #define HASH_CR_ALGO_SHA224     HASH_CR_ALGO_1
   #define HASH_CR_ALGO_SHA256     (HASH_CR_ALGO_1 | HASH_CR_ALGO_0)
   #define HASH_CR_ALGO_SHA384     (HASH_CR_ALGO_3 | HASH_CR_ALGO_2)
   #define HASH_CR_ALGO_SHA512     (HASH_CR_ALGO_3 | HASH_CR_ALGO_2 | HASH_CR_ALGO_1 | HASH_CR_ALGO_0)
   #define HASH_CR_ALGO_SHA512_224 (HASH_CR_ALGO_3 | HASH_CR_ALGO_2 | HASH_CR_ALGO_0)
   #define HASH_CR_ALGO_SHA512_256 (HASH_CR_ALGO_3 | HASH_CR_ALGO_2 | HASH_CR_ALGO_1)
#else
   #define HASH_CR_ALGO_SHA1       0
   #define HASH_CR_ALGO_SHA224     HASH_CR_ALGO_1
   #define HASH_CR_ALGO_SHA256     (HASH_CR_ALGO_1 | HASH_CR_ALGO_0)
#endif
 
//DATATYPE bitfield
#define HASH_CR_DATATYPE_32B 0
#define HASH_CR_DATATYPE_16B HASH_CR_DATATYPE_0
#define HASH_CR_DATATYPE_8B  HASH_CR_DATATYPE_1
#define HASH_CR_DATATYPE_1B  (HASH_CR_DATATYPE_1 | HASH_CR_DATATYPE_0)
 
//C++ guard
#ifdef __cplusplus
extern "C" {
#endif
 
//Hash related functions
error_t hashInit(void);
 
//C++ guard
#ifdef __cplusplus
}
#endif
 
#endif