linux-sgx-trts-modified/external/crypto_px/sources/ippcp/src/pcpeccpmethodcom.h

/*
* Copyright (C) 2016 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
*   * Redistributions of source code must retain the above copyright
*     notice, this list of conditions and the following disclaimer.
*   * Redistributions in binary form must reproduce the above copyright
*     notice, this list of conditions and the following disclaimer in
*     the documentation and/or other materials provided with the
*     distribution.
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*     contributors may be used to endorse or promote products derived
*     from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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*/

#if !defined(_PCP_ECCPMETHODCOM_H)
#define _PCP_ECCPMETHODCOM_H

#include "pcpeccp.h"


/*
// Returns reference
*/
ECCP_METHOD* ECCPcom_Methods(void);

/*
// Copy
*/
void ECCP_CopyPoint(const IppsECCPPointState* pSrc, IppsECCPPointState* pDst);

/*
// Point Set. These operations implies
// transformation of regular coordinates into internal format
*/
void ECCP_SetPointProjective(const IppsBigNumState* pX,
                             const IppsBigNumState* pY,
                             const IppsBigNumState* pZ,
                             IppsECCPPointState* pPoint,
                             const IppsECCPState* pECC);

void ECCP_SetPointAffine(const IppsBigNumState* pX,
                         const IppsBigNumState* pY,
                         IppsECCPPointState* pPoint,
                         const IppsECCPState* pECC);

/*
// Get Point. These operations implies
// transformation of internal format coordinates into regular
*/
void ECCP_GetPointAffine(IppsBigNumState* pX,
                         IppsBigNumState* pY,
                         const IppsECCPPointState* pPoint,
                         const IppsECCPState* pECC,
                         BigNumNode* pList);

/*
// Set To Infinity
*/
void ECCP_SetPointToInfinity(IppsECCPPointState* pPoint);
void ECCP_SetPointToAffineInfinity0(IppsBigNumState* pX, IppsBigNumState* pY);
void ECCP_SetPointToAffineInfinity1(IppsBigNumState* pX, IppsBigNumState* pY);

/*
// Test Is At Infinity
// Test is On EC
*/
int ECCP_IsPointAtInfinity(const IppsECCPPointState* pPoint);
int ECCP_IsPointAtAffineInfinity0(const IppsBigNumState* pX, const IppsBigNumState* pY);
int ECCP_IsPointAtAffineInfinity1(const IppsBigNumState* pX, const IppsBigNumState* pY);
int ECCP_IsPointOnCurve(const IppsECCPPointState* pPoint,
                        const IppsECCPState* pECC,
                        BigNumNode* pList);

/*
// Operations
*/
int ECCP_ComparePoint(const IppsECCPPointState* pP,
                      const IppsECCPPointState* pQ,
                      const IppsECCPState* pECC,
                      BigNumNode* pList);

void ECCP_NegPoint(const IppsECCPPointState* pP,
                   IppsECCPPointState* pR,
                   const IppsECCPState* pECC);

void ECCP_DblPoint(const IppsECCPPointState* pP,
                   IppsECCPPointState* pR,
                   const IppsECCPState* pECC,
                   BigNumNode* pList);

void ECCP_AddPoint(const IppsECCPPointState* pP,
                   const IppsECCPPointState* pQ,
                   IppsECCPPointState* pR,
                   const IppsECCPState* pECC,
                   BigNumNode* pList);

void ECCP_MulPoint(const IppsECCPPointState* pP,
                   const IppsBigNumState* pK,
                   IppsECCPPointState* pR,
                   const IppsECCPState* pECC,
                   BigNumNode* pList);

void ECCP_MulBasePoint(const IppsBigNumState* pK,
                    IppsECCPPointState* pR,
                    const IppsECCPState* pECC,
                    BigNumNode* pList);

void ECCP_ProdPoint(const IppsECCPPointState* pP,
                    const IppsBigNumState*    bnPscalar,
                    const IppsECCPPointState* pQ,
                    const IppsBigNumState*    bnQscalar,
                    IppsECCPPointState* pR,
                    const IppsECCPState* pECC,
                    BigNumNode* pList);

#endif /* _PCP_ECCPMETHODCOM_H */