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/*############################################################################
# Copyright 2005-2017 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.
############################################################################*/
/*
//
// Purpose:
// Cryptography Primitive.
// BN Multiplication (Karatsuba method) Definitions & Function Prototypes
//
// Contents:
// cpKaratsubaBufferSize()
// cpMul_BNU_karatuba()
// cpSqr_BNU_karatuba()
// cpKAdd_BNU()
// cpKSub_BNU()
//
//
*/
#if !defined(_KARATSUBA_MUL_)
#define _KARATSUBA_MUL_
#if defined(_USE_KARATSUBA_)
#if((_IPP==_IPP_W7) || \
(_IPP==_IPP_T7))
#define CP_KARATSUBA_MUL_THRESHOLD 16
#define CP_KARATSUBA_SQR_THRESHOLD 32
#elif ((_IPP==_IPP_V8) || \
(_IPP==_IPP_P8) || \
(_IPP==_IPP_G9) || \
(_IPP==_IPP_S8))
#define CP_KARATSUBA_MUL_THRESHOLD 32
#define CP_KARATSUBA_SQR_THRESHOLD 32
#elif ((_IPP>=_IPP_H9))
#define CP_KARATSUBA_MUL_THRESHOLD 32
#define CP_KARATSUBA_SQR_THRESHOLD 32
#elif ((_IPP32E==_IPP32E_M7) || \
(_IPP32E==_IPP32E_U8) || \
(_IPP32E==_IPP32E_Y8) || \
(_IPP32E==_IPP32E_E9) || \
(_IPP32E==_IPP32E_N8))
#define CP_KARATSUBA_MUL_THRESHOLD 16
#define CP_KARATSUBA_SQR_THRESHOLD 40
#elif ((_IPP32E>=_IPP32E_L9))
#define CP_KARATSUBA_MUL_THRESHOLD 20
#define CP_KARATSUBA_SQR_THRESHOLD 48
#else
#define CP_KARATSUBA_MUL_THRESHOLD 12
#define CP_KARATSUBA_SQR_THRESHOLD 16
#endif
#define cpKaratsubaBufferSize OWNAPI(cpKaratsubaBufferSize)
cpSize cpKaratsubaBufferSize(cpSize len);
#define cpMul_BNU_karatsuba OWNAPI(cpMul_BNU_karatsuba)
BNU_CHUNK_T cpMul_BNU_karatsuba(BNU_CHUNK_T* pR,
const BNU_CHUNK_T* pX, const BNU_CHUNK_T* pY, cpSize ns,
BNU_CHUNK_T* pBuffer);
#define cpSqr_BNU_karatsuba OWNAPI(cpSqr_BNU_karatsuba)
BNU_CHUNK_T cpSqr_BNU_karatsuba(BNU_CHUNK_T* pR,
const BNU_CHUNK_T* pX, cpSize ns,
BNU_CHUNK_T* pBuffer);
#else
#define CP_KARATSUBA_MUL_THRESHOLD 0
#define CP_KARATSUBA_SQR_THRESHOLD 0
#endif /* _USE_KARATSUBA_ */
#endif /* _KARATSUBA_MUL_ */
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