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/**
******************************************************************************
* @file modular.h
* @author MCD Application Team
* @brief Provides Base Modular Arithmetic Operations
******************************************************************************
* @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_MODULAR_H__
#define __CRL_MODULAR_H__
#ifdef __cplusplus
extern "C"
{
#endif
/* Includes ------------------------------------------------------------------*/
/** @ingroup Modular
* @{
*/
/* Exported types ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
/* Modular addition ***********************************************************/
int32_t ModularAddBig (const BigNum_stt * P_pAddend1BN, \
const BigNum_stt * P_pAddend2BN, \
BigNum_stt * P_pModSumBN, \
const BigNum_stt * P_pModBN, \
membuf_stt *P_pMemBuf);
\
/* Modular Subtraction ********************************************************/
int32_t ModularSubBig (const BigNum_stt * P_pMinuendBN, \
const BigNum_stt * P_pSubtrahendBN, \
BigNum_stt * P_pModDiffBN, \
const BigNum_stt * P_pModBN, \
membuf_stt *P_pMemBuf);
\
/* Fast Modular multiplication by 2 *******************************************/
int32_t ModularFastMul2 (BigNum_stt * P_pBN, \
const BigNum_stt * P_pModBN, \
membuf_stt *P_pMemBuf);
\
/* Modular inversion **********************************************************/
int32_t ModularInvBig (const BigNum_stt *P_pInputBN, \
BigNum_stt *P_pInverseBN, \
const BigNum_stt *P_pModBN, \
membuf_stt *P_pMemBuf );
\
/* Modular exponentiation *****************************************************/
int32_t ModularExpSlidWin(BigNum_stt * P_pBaseBN, \
const BigNum_stt * P_pExpBN, \
const BigNum_stt * P_pModulusBN, \
BigNum_stt *P_pOutputBN, \
membuf_stt *P_pMemBuf);
\
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /*__CRL_MODULAR_H__*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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