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Diffstat (limited to 'ext/ipp/sources/ippcp/pcpgfpxstuff.h')
| -rw-r--r-- | ext/ipp/sources/ippcp/pcpgfpxstuff.h | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/ext/ipp/sources/ippcp/pcpgfpxstuff.h b/ext/ipp/sources/ippcp/pcpgfpxstuff.h new file mode 100644 index 0000000..9a5525f --- /dev/null +++ b/ext/ipp/sources/ippcp/pcpgfpxstuff.h @@ -0,0 +1,188 @@ +/******************************************************************************* +* 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 +// Cryptographic Primitives (ippCP) +// GF(p) extension internal +// +*/ + +#if !defined(_PCP_GFPEXT_H_) +#define _PCP_GFPEXT_H_ + +#include "pcpgfpstuff.h" + + +/* GF(p^d) pool */ +#define GFPX_PESIZE(pGF) GFP_FELEN((pGF)) +#define GFPX_POOL_SIZE (14) //(8) /* Number of temporary variables in pool */ + +/* address of ground field element inside expanded field element */ +#define GFPX_IDX_ELEMENT(pxe, idx, eleSize) ((pxe)+(eleSize)*(idx)) + + +__INLINE int degree(const BNU_CHUNK_T* pE, const gsModEngine* pGFEx) +{ + int groundElemLen = GFP_FELEN(GFP_PARENT(pGFEx)); + int deg; + for(deg=GFP_EXTDEGREE(pGFEx)-1; deg>=0; deg-- ) { + if(!GFP_IS_ZERO(pE+groundElemLen*deg, groundElemLen)) break; + } + return deg; +} + +__INLINE gsModEngine* cpGFpBasic(const gsModEngine* pGFEx) +{ + while( !GFP_IS_BASIC(pGFEx) ) { + pGFEx = GFP_PARENT(pGFEx); + } + return (gsModEngine*)pGFEx; +} +__INLINE int cpGFpBasicDegreeExtension(const gsModEngine* pGFEx) +{ + int degree = GFP_EXTDEGREE(pGFEx); + while( !GFP_IS_BASIC(pGFEx) ) { + pGFEx = GFP_PARENT(pGFEx); + degree *= GFP_EXTDEGREE(pGFEx); + } + return degree; +} + +/* convert external data (Ipp32u) => internal element (BNU_CHUNK_T) representation + returns length of element (in BNU_CHUNK_T) +*/ +__INLINE int cpGFpxCopyToChunk(BNU_CHUNK_T* pElm, const Ipp32u* pA, int nsA, const gsModEngine* pGFEx) +{ + gsModEngine* pBasicGFE = cpGFpBasic(pGFEx); + int basicExtension = cpGFpBasicDegreeExtension(pGFEx); + int basicElmLen32 = GFP_FELEN32(pBasicGFE); + int basicElmLen = GFP_FELEN(pBasicGFE); + int deg; + for(deg=0; deg<basicExtension && nsA>0; deg++, nsA -= basicElmLen32) { + int srcLen = IPP_MIN(nsA, basicElmLen32); + ZEXPAND_COPY_BNU((Ipp32u*)pElm, basicElmLen*(int)(sizeof(BNU_CHUNK_T)/sizeof(Ipp32u)), pA,srcLen); + pElm += basicElmLen; + pA += basicElmLen32; + } + return basicElmLen*deg; +} + +/* convert internal element (BNU_CHUNK_T) => external data (Ipp32u) representation + returns length of data (in Ipp32u) +*/ +__INLINE int cpGFpxCopyFromChunk(Ipp32u* pA, const BNU_CHUNK_T* pElm, const gsModEngine* pGFEx) +{ + gsModEngine* pBasicGFE = cpGFpBasic(pGFEx); + int basicExtension = cpGFpBasicDegreeExtension(pGFEx); + int basicElmLen32 = GFP_FELEN32(pBasicGFE); + int basicElmLen = GFP_FELEN(pBasicGFE); + int deg; + for(deg=0; deg<basicExtension; deg++) { + COPY_BNU(pA, (Ipp32u*)pElm, basicElmLen32); + pA += basicElmLen32; + pElm += basicElmLen; + } + return basicElmLen32*deg; +} + + +#define cpGFpxRand OWNAPI(cpGFpxRand) +BNU_CHUNK_T* cpGFpxRand(BNU_CHUNK_T* pR, gsModEngine* pGFEx, IppBitSupplier rndFunc, void* pRndParam); + +#define cpGFpxSet OWNAPI(cpGFpxSet) +BNU_CHUNK_T* cpGFpxSet (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pDataA, int nsA, gsModEngine* pGFEx); + +#define cpGFpxGet OWNAPI(cpGFpxGet) +BNU_CHUNK_T* cpGFpxGet (BNU_CHUNK_T* pDataA, int nsA, const BNU_CHUNK_T* pR, gsModEngine* pGFEx); + +#define cpGFpxSetPolyTerm OWNAPI(cpGFpxSetPolyTerm) +BNU_CHUNK_T* cpGFpxSetPolyTerm (BNU_CHUNK_T* pR, int deg, const BNU_CHUNK_T* pDataA, int nsA, gsModEngine* pGFEx); + +#define cpGFpxGetPolyTerm OWNAPI(cpGFpxGetPolyTerm) +BNU_CHUNK_T* cpGFpxGetPolyTerm (BNU_CHUNK_T* pDataA, int nsA, const BNU_CHUNK_T* pR, int deg, gsModEngine* pGFEx); + +#define cpGFpxAdd OWNAPI(cpGFpxAdd) +BNU_CHUNK_T* cpGFpxAdd (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pB, gsModEngine* pGFEx); + +#define cpGFpxSub OWNAPI(cpGFpxSub) +BNU_CHUNK_T* cpGFpxSub (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pB, gsModEngine* pGFEx); + +#define cpGFpxMul OWNAPI(cpGFpxMul) +BNU_CHUNK_T* cpGFpxMul (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pB, gsModEngine* pGFEx); + +#define cpGFpxSqr OWNAPI(cpGFpxSqr) +BNU_CHUNK_T* cpGFpxSqr (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsModEngine* pGFEx); + +#define cpGFpxAdd_GFE OWNAPI(cpGFpxAdd_GFE) +BNU_CHUNK_T* cpGFpxAdd_GFE (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pGroundB, gsModEngine* pGFEx); + +#define cpGFpxSub_GFE OWNAPI(cpGFpxSub_GFE) +BNU_CHUNK_T* cpGFpxSub_GFE (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pGroundB, gsModEngine* pGFEx); + +#define cpGFpxMul_GFE OWNAPI(cpGFpxMul_GFE) +BNU_CHUNK_T* cpGFpxMul_GFE (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pGroundB, gsModEngine* pGFEx); + +#define cpGFpGetOptimalWinSize OWNAPI(cpGFpGetOptimalWinSize) +int cpGFpGetOptimalWinSize(int bitsize); + +#define cpGFpxExp OWNAPI(cpGFpxExp) +BNU_CHUNK_T* cpGFpxExp (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pE, int nsE, gsModEngine* pGFEx, Ipp8u* pScratchBuffer); + +#define cpGFpxMultiExp OWNAPI(cpGFpxMultiExp) +BNU_CHUNK_T* cpGFpxMultiExp(BNU_CHUNK_T* pR, const BNU_CHUNK_T* ppA[], const BNU_CHUNK_T* ppE[], int nsE[], int nItems, + gsModEngine* pGFEx, Ipp8u* pScratchBuffer); + +#define cpGFpxConj OWNAPI(cpGFpxConj) +BNU_CHUNK_T* cpGFpxConj(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsModEngine* pGFEx); + +#define cpGFpxNeg OWNAPI(cpGFpxNeg) +BNU_CHUNK_T* cpGFpxNeg (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsModEngine* pGFEx); + +#define cpGFpxInv OWNAPI(cpGFpxInv) +BNU_CHUNK_T* cpGFpxInv (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsModEngine* pGFEx); + +#define cpGFpxHalve OWNAPI(cpGFpxHalve) +BNU_CHUNK_T* cpGFpxHalve (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsModEngine* pGFEx); + +#define InitGFpxCtx OWNAPI(InitGFpxCtx) +void InitGFpxCtx(const IppsGFpState* pGroundGF, int extDeg, const IppsGFpMethod* method, IppsGFpState* pGFpx); + +#endif /* _PCP_GFPEXT_H_ */ |