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/*******************************************************************************
* Copyright 2010-2018 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
* any patent, copyright or other intellectual property rights in the Material
* is granted to or conferred upon you, either expressly, by implication,
* inducement, estoppel or otherwise. Any license under such intellectual
* property rights must be express and approved by Intel in writing.
*
* Unless otherwise agreed by Intel in writing, you may not remove or alter this
* 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
* 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) Integrated Performance Primitives. Cryptography Primitives.
// Internal operations over GF(p) extension.
//
// Context:
// cpGFpxSet()
//
*/
#include "owncp.h"
#include "pcpbnumisc.h"
#include "pcpgfpxstuff.h"
#include "gsscramble.h"
BNU_CHUNK_T* cpGFpxSet(BNU_CHUNK_T* pE, const BNU_CHUNK_T* pDataA, int nsA, gsModEngine* pGFEx)
{
if( GFP_IS_BASIC(pGFEx) )
return cpGFpSet(pE, pDataA, nsA, pGFEx);
else {
gsModEngine* pBasicGFE = cpGFpBasic(pGFEx);
int basicElemLen = GFP_FELEN(pBasicGFE);
BNU_CHUNK_T* pTmpE = pE;
int basicDeg = cpGFpBasicDegreeExtension(pGFEx);
int deg, error;
for(deg=0, error=0; deg<basicDeg && !error; deg++) {
int pieceA = IPP_MIN(nsA, basicElemLen);
error = NULL == cpGFpSet(pTmpE, pDataA, pieceA, pBasicGFE);
pTmpE += basicElemLen;
pDataA += pieceA;
nsA -= pieceA;
}
return (deg<basicDeg)? NULL : pE;
}
}
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