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/**
******************************************************************************
* @file sha256.h
* @author MCD Application Team
* @brief Provides SHA256 functions
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2015 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under Image license SLA0044,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* http://www.st.com/SLA0044
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __CRL_SHA256_H__
#define __CRL_SHA256_H__
#ifdef __cplusplus
extern "C"
{
#endif
/* Includes ------------------------------------------------------------------*/
/** @ingroup SHA256
* @{
*/
/* Exported constants --------------------------------------------------------*/
#define CRL_SHA256_SIZE 32 /*!< Number of bytes (uint8_t) to store a SHA-256 digest. */
/* Exported types ------------------------------------------------------------*/
/** Structure for the SHA-256 context */
typedef HASHctx_stt SHA256ctx_stt;
/* Exported functions --------------------------------------------------------*/
/* Initialization of Context */
int32_t SHA256_Init(SHA256ctx_stt *P_pSHA256ctx);
/* Data processing function */
int32_t SHA256_Append(SHA256ctx_stt *P_pSHA256ctx, \
const uint8_t *P_pInputBuffer, \
int32_t P_inputSize);
/* Returns digest */
int32_t SHA256_Finish(SHA256ctx_stt *P_pSHA256ctx, \
uint8_t *P_pOutputBuffer, \
int32_t *P_pOutputSize);
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /*__CRL_SHA256_H__*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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