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/*############################################################################
# Copyright 2016 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) Integrated Performance Primitives
// Cryptographic Primitives (ippcp)
// Prime Number Primitives.
//
//
*/
#if !defined(_CP_PRIME_H)
#define _CP_PRIME_H
#include "pcpbn.h"
#include "pcpmontgomery.h"
/*
// Prime context
*/
struct _cpPrime {
IppCtxId idCtx; /* Prime context identifier */
cpSize maxBitSize; /* max bit length */
BNU_CHUNK_T* pPrime; /* prime value */
BNU_CHUNK_T* pT1; /* temporary BNU */
BNU_CHUNK_T* pT2; /* temporary BNU */
BNU_CHUNK_T* pT3; /* temporary BNU */
IppsMontState* pMont; /* montgomery engine */
};
/* alignment */
#define PRIME_ALIGNMENT ((int)sizeof(void*))
/* Prime accessory macros */
#define PRIME_ID(ctx) ((ctx)->idCtx)
#define PRIME_MAXBITSIZE(ctx) ((ctx)->maxBitSize)
#define PRIME_NUMBER(ctx) ((ctx)->pPrime)
#define PRIME_TEMP1(ctx) ((ctx)->pT1)
#define PRIME_TEMP2(ctx) ((ctx)->pT2)
#define PRIME_TEMP3(ctx) ((ctx)->pT3)
#define PRIME_MONT(ctx) ((ctx)->pMont)
#define PRIME_VALID_ID(ctx) (PRIME_ID((ctx))==idCtxPrimeNumber)
/* easy prime test */
int cpMimimalPrimeTest(const Ipp32u* pPrime, cpSize ns);
/* prime test */
int cpPrimeTest(const BNU_CHUNK_T* pPrime, cpSize primeLen,
cpSize nTrials,
IppsPrimeState* pCtx,
IppBitSupplier rndFunc, void* pRndParam);
void cpPackPrimeCtx(const IppsPrimeState* pCtx, Ipp8u* pBuffer);
void cpUnpackPrimeCtx(const Ipp8u* pBuffer, IppsPrimeState* pCtx);
#endif /* _CP_PRIME_H */
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