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/**
******************************************************************************
* @file aes_ctr.h
* @author MCD Application Team
* @brief AES in CTR Mode
******************************************************************************
* @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_AES_CTR_H__
#define __CRL_AES_CTR_H__
#ifdef __cplusplus
extern "C"
{
#endif
/** @ingroup AESCTR
* @{
*/
/* Exported types ------------------------------------------------------------*/
/** CTR context = CBC context. AESCTRctx_stt is equal to AESCBCctx_stt */
typedef AESCBCctx_stt AESCTRctx_stt;
/* Exported functions --------------------------------------------------------*/
/* load the key and ivec, eventually performs key schedule, etc. */
int32_t AES_CTR_Encrypt_Init (AESCTRctx_stt *P_pAESCTRctx, \
const uint8_t *P_pKey, \
const uint8_t *P_pIv);
/* launch crypto operation , can be called several times */
int32_t AES_CTR_Encrypt_Append (AESCTRctx_stt *P_pAESCTRctx, \
const uint8_t *P_pInputBuffer, \
int32_t P_inputSize, \
uint8_t *P_pOutputBuffer, \
int32_t *P_pOutputSize);
/* Possible final output */
int32_t AES_CTR_Encrypt_Finish (AESCTRctx_stt *P_pAESCTRctx, \
uint8_t *P_pOutputBuffer, \
int32_t *P_pOutputSize);
/* load the key and ivec, eventually performs key schedule, etc. */
int32_t AES_CTR_Decrypt_Init (AESCTRctx_stt *P_pAESCTRctx, \
const uint8_t *P_pKey, \
const uint8_t *P_pIv);
/* launch crypto operation , can be called several times */
int32_t AES_CTR_Decrypt_Append (AESCTRctx_stt *P_pAESCTRctx, \
const uint8_t *P_pInputBuffer, \
int32_t P_inputSize, \
uint8_t *P_pOutputBuffer, \
int32_t *P_pOutputSize);
/* Possible final output */
int32_t AES_CTR_Decrypt_Finish (AESCTRctx_stt *P_pAESCTRctx, \
uint8_t *P_pOutputBuffer, \
int32_t *P_pOutputSize);
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* __CRL_AES_CTR_H__ */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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