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- /*
- * 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.
- * * Neither the name of Intel Corporation nor the names of its
- * 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
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
- #if !defined(_CP_BNU_ARITH_H)
- #define _CP_BNU_ARITH_H
- #include "pcpbnuimpl.h"
- #include "pcpbnu32arith.h"
- BNU_CHUNK_T cpAdd_BNU(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pB, cpSize ns);
- BNU_CHUNK_T cpSub_BNU(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pB, cpSize ns);
- BNU_CHUNK_T cpInc_BNU(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, cpSize ns, BNU_CHUNK_T val);
- BNU_CHUNK_T cpDec_BNU(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, cpSize ns, BNU_CHUNK_T val);
- BNU_CHUNK_T cpAddMulDgt_BNU(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, cpSize ns, BNU_CHUNK_T val);
- BNU_CHUNK_T cpMulAdc_BNU_school(BNU_CHUNK_T* pR,
- const BNU_CHUNK_T* pA, cpSize nsA,
- const BNU_CHUNK_T* pB, cpSize nsB);
- __INLINE BNU_CHUNK_T cpMul_BNU_school(BNU_CHUNK_T* pR,
- const BNU_CHUNK_T* pA, cpSize nsA,
- const BNU_CHUNK_T* pB, cpSize nsB)
- {
- return cpMulAdc_BNU_school(pR, pA,nsA, pB,nsB);
- }
- BNU_CHUNK_T cpSqrAdc_BNU_school(BNU_CHUNK_T * pR, const BNU_CHUNK_T * pA, cpSize nsA);
- __INLINE BNU_CHUNK_T cpSqr_BNU_school(BNU_CHUNK_T * pR, const BNU_CHUNK_T * pA, cpSize nsA)
- {
- return cpSqrAdc_BNU_school(pR, pA,nsA);
- }
- BNU_CHUNK_T cpGcd_BNU(BNU_CHUNK_T a, BNU_CHUNK_T b);
- int cpModInv_BNU(BNU_CHUNK_T* pInv,
- const BNU_CHUNK_T* pA, cpSize nsA,
- const BNU_CHUNK_T* pM, cpSize nsM,
- BNU_CHUNK_T* bufInv, BNU_CHUNK_T* bufA, BNU_CHUNK_T* bufM);
- /*
- // multiplication/squaring wrappers
- */
- __INLINE BNU_CHUNK_T cpMul_BNU(BNU_CHUNK_T* pR,
- const BNU_CHUNK_T* pA, cpSize nsA,
- const BNU_CHUNK_T* pB, cpSize nsB,
- BNU_CHUNK_T* pBuffer)
- {
- UNREFERENCED_PARAMETER(pBuffer);
- return cpMul_BNU_school(pR, pA,nsA, pB,nsB);
- }
- __INLINE BNU_CHUNK_T cpSqr_BNU(BNU_CHUNK_T * pR,
- const BNU_CHUNK_T * pA, cpSize nsA,
- BNU_CHUNK_T* pBuffer)
- {
- UNREFERENCED_PARAMETER(pBuffer);
- return cpSqr_BNU_school(pR, pA,nsA);
- }
- /*
- // division/reduction wrappers
- */
- __INLINE cpSize cpDiv_BNU(BNU_CHUNK_T* pQ, cpSize* pnsQ, BNU_CHUNK_T* pA, cpSize nsA, BNU_CHUNK_T* pB, cpSize nsB)
- {
- int nsR = cpDiv_BNU32((Ipp32u*)pQ, pnsQ,
- (Ipp32u*)pA, nsA*(sizeof(BNU_CHUNK_T)/sizeof(Ipp32u)),
- (Ipp32u*)pB, nsB*(sizeof(BNU_CHUNK_T)/sizeof(Ipp32u)));
- #if (BNU_CHUNK_BITS == BNU_CHUNK_64BIT)
- if(nsR&1) ((Ipp32u*)pA)[nsR] = 0;
- nsR = INTERNAL_BNU_LENGTH(nsR);
- if(pQ) {
- if(*pnsQ&1) ((Ipp32u*)pQ)[*pnsQ] = 0;
- *pnsQ = INTERNAL_BNU_LENGTH(*pnsQ);
- }
- #endif
- return nsR;
- }
- __INLINE cpSize cpMod_BNU(BNU_CHUNK_T* pX, cpSize nsX, BNU_CHUNK_T* pModulus, cpSize nsM)
- {
- return cpDiv_BNU(NULL,NULL, pX,nsX, pModulus, nsM);
- }
- #endif /* _CP_BNU_ARITH_H */
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