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/**
******************************************************************************
* @file aes_cfb.h
* @author MCD Application Team
* @brief AES in CFB 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
*
******************************************************************************
*/
#ifndef __CRL_AES_CFB_H__
#define __CRL_AES_CFB_H__
#ifdef __cplusplus
extern "C"
{
#endif
/** @ingroup AESCFB
* @{
*/
/** CFB context = CBC context. AESCFBctx_stt is equal to AESCBCctx_stt */
typedef AESCBCctx_stt AESCFBctx_stt;
#ifdef INCLUDE_ENCRYPTION
/* load the key and ivec, eventually performs key schedule, etc. */
int32_t AES_CFB_Encrypt_Init (AESCFBctx_stt *P_pAESCFBctx, \
const uint8_t *P_pKey, \
const uint8_t *P_pIv);
/* launch crypto operation , can be called several times */
int32_t AES_CFB_Encrypt_Append (AESCFBctx_stt *P_pAESCFBctx, \
const uint8_t *P_pInputBuffer, \
int32_t P_inputSize, \
uint8_t *P_pOutputBuffer, \
int32_t *P_pOutputSize);
/* Possible final output */
int32_t AES_CFB_Encrypt_Finish (AESCFBctx_stt *P_pAESCFBctx, \
uint8_t *P_pOutputBuffer, \
int32_t *P_pOutputSize);
#endif
#ifdef INCLUDE_DECRYPTION
/* load the key and ivec, eventually performs key schedule, etc. */
int32_t AES_CFB_Decrypt_Init (AESCFBctx_stt *P_pAESCFBctx, const uint8_t *P_pKey, const uint8_t *P_pIv);
/* launch crypto operation , can be called several times */
int32_t AES_CFB_Decrypt_Append (AESCFBctx_stt *P_pAESCFBctx, \
const uint8_t *P_pInputBuffer, \
int32_t P_inputSize, \
uint8_t *P_pOutputBuffer, \
int32_t *P_pOutputSize);
/* Possible final output */
int32_t AES_CFB_Decrypt_Finish (AESCFBctx_stt *P_pAESCFBctx, \
uint8_t *P_pOutputBuffer, \
int32_t *P_pOutputSize);
#endif
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __CRL_AES_CFB_H__*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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