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/*******************************************************************************
* Copyright 2016-2018 Intel Corporation
* All Rights Reserved.
*
* If this  software was obtained  under the  Intel Simplified  Software License,
* the following terms apply:
*
* The source code,  information  and material  ("Material") contained  herein is
* owned by Intel Corporation or its  suppliers or licensors,  and  title to such
* Material remains with Intel  Corporation or its  suppliers or  licensors.  The
* Material  contains  proprietary  information  of  Intel or  its suppliers  and
* licensors.  The Material is protected by  worldwide copyright  laws and treaty
* provisions.  No part  of  the  Material   may  be  used,  copied,  reproduced,
* modified, published,  uploaded, posted, transmitted,  distributed or disclosed
* in any way without Intel's prior express written permission.  No license under
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* inducement,  estoppel  or  otherwise.  Any  license   under such  intellectual
* property rights must be express and approved by Intel in writing.
*
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* notice or  any  other  notice   embedded  in  Materials  by  Intel  or Intel's
* suppliers or licensors in any way.
*
*
* If this  software  was obtained  under the  Apache License,  Version  2.0 (the
* "License"), the following terms apply:
*
* You may  not use this  file except  in compliance  with  the License.  You may
* obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
*
*
* Unless  required  by   applicable  law  or  agreed  to  in  writing,  software
* distributed under the License  is distributed  on an  "AS IS"  BASIS,  WITHOUT
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*
* See the   License  for the   specific  language   governing   permissions  and
* limitations under the License.
*******************************************************************************/

/*
//     Intel(R) Integrated Performance Primitives. Cryptography Primitives.
//     GF(p^d) methods, if binomial generator
//
*/
#if !defined(_CP_GFP_METHOD_BINOM_H)
#define _CP_GFP_METHOD_BINOM_H

#include "owncp.h"
#include "pcpgfpxstuff.h"


static BNU_CHUNK_T* cpGFpxMul_G0(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsEngine* pGFEx)
{
   gsEngine* pGroundGFE = GFP_PARENT(pGFEx);
   mod_mul mulF = GFP_METHOD(pGroundGFE)->mul;

   BNU_CHUNK_T* pGFpolynomial = GFP_MODULUS(pGFEx); /* g(x) = t^d + g0 */

   #if defined GS_DBG
   BNU_CHUNK_T* arg0 = cpGFpGetPool(1, pGroundGFE);
   BNU_CHUNK_T* arg1 = cpGFpGetPool(1, pGroundGFE);
   int groundElemLen = GFP_FELEN(pGroundGFE);
   #endif

   #if defined GS_DBG
   cpGFpxGet(arg0, groundElemLen, pA, pGroundGFE);
   cpGFpxGet(arg1, groundElemLen, pGFpolynomial, pGroundGFE);
   #endif

   mulF(pR, pA, pGFpolynomial, pGroundGFE);

   #if defined GS_DBG
   cpGFpReleasePool(2, pGroundGFE);
   #endif

   return pR;
}

#endif /* _CP_GFP_METHOD_BINOM_H */