/*************************************************************************
* Copyright (C) 2018 Intel Corporation
*
* Licensed under the Apache License,  Version 2.0 (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.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 WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the  specific  language  governing  permissions  and
* limitations under the License.
*************************************************************************/

/*
//     Intel(R) Cryptography Primitives Library
//     GF(p^d) methods
//
*/
#include "owncp.h"

#include "gfpec/pcpgfpxstuff.h"
#include "gfpec/pcpgfpxmethod_com.h"


/* clang-format off */
IPP_OWN_DEFN(BNU_CHUNK_T*, cpGFpxDecode_com, (BNU_CHUNK_T* pR,
                                              const BNU_CHUNK_T* pA,
                                              gsEngine* pGFEx))
/* clang-format on */
{
    gsEngine* pBasicGFE = cpGFpBasic(pGFEx);
    mod_decode decodeF  = GFP_METHOD(pBasicGFE)->decode;
    int basicElemLen    = GFP_FELEN(pBasicGFE);
    int basicDeg        = cpGFpBasicDegreeExtension(pGFEx);

    BNU_CHUNK_T* pTmp = pR;
    int deg;
    for (deg = 0; deg < basicDeg; deg++) {
        decodeF(pTmp, pA, pBasicGFE);
        pTmp += basicElemLen;
        pA += basicElemLen;
    }
    return pR;
}
