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Diffstat (limited to 'ext/ipp/sources/ippcp/pcpngmontexpstuff_sse2.h')
| -rw-r--r-- | ext/ipp/sources/ippcp/pcpngmontexpstuff_sse2.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/ext/ipp/sources/ippcp/pcpngmontexpstuff_sse2.h b/ext/ipp/sources/ippcp/pcpngmontexpstuff_sse2.h new file mode 100644 index 0000000..a25ae67 --- /dev/null +++ b/ext/ipp/sources/ippcp/pcpngmontexpstuff_sse2.h @@ -0,0 +1,120 @@ +/******************************************************************************* +* Copyright 2016-2018 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. +*******************************************************************************/ + +/* +// +// Purpose: +// Cryptography Primitive. +// Internal Definitions of SSE Montgomery Exp +// +*/ +#include "owncp.h" + +#if (_IPP>=_IPP_W7) + +#include "pcpbnuimpl.h" +#include "pcpngmontexpstuff.h" + +#define RSA_SSE2_MIN_BITSIZE (256) +#define RSA_SSE2_MAX_BITSIZE (13*1024) + +#define NORM_DIGSIZE_SSE2 (BITSIZE(Ipp32u)) +#define NORM_BASE_SSE2 ((Ipp64u)1<<NORM_DIGSIZE_SSE2) +#define NORM_MASK_SSE2 (NORM_BASE_SSE2-1) + +#define EXP_DIGIT_SIZE_SSE2 (27) +#define EXP_DIGIT_BASE_SSE2 (1<<EXP_DIGIT_SIZE_SSE2) +#define EXP_DIGIT_MASK_SSE2 (EXP_DIGIT_BASE_SSE2-1) + + +/* number of "diSize" chunks in "bitSize" bit string */ +__INLINE int cpDigitNum_sse2(int bitSize, int digSize) +{ return (bitSize + digSize-1)/digSize; } + +/* number of "RSA_SSE2_DIGIT_SIZE" chunks in "bitSize" bit string matched for AMM */ +__INLINE cpSize numofVariable_sse2(int modulusBits) +{ + cpSize ammBitSize = 2 + cpDigitNum_sse2(modulusBits, BITSIZE(BNU_CHUNK_T)) * BITSIZE(BNU_CHUNK_T); + cpSize redNum = cpDigitNum_sse2(ammBitSize, EXP_DIGIT_SIZE_SSE2); + return redNum; +} + +/* buffer corresponding to numofVariable_sse2() */ +__INLINE cpSize numofVariableBuff_sse2(int numV) +{ + return numV +4 +(numV&1); +} + +/* exponentiation buffer size */ +#define gsMontExpBinBuffer_sse2 OWNAPI(gsMontExpBinBuffer_sse2) +#define gsMontExpWinBuffer_sse2 OWNAPI(gsMontExpWinBuffer_sse2) +cpSize gsMontExpBinBuffer_sse2(int modulusBits); +cpSize gsMontExpWinBuffer_sse2(int modulusBits); + +/* exponentiations */ +#define gsMontExpBin_BNU_sse2 OWNAPI(gsMontExpBin_BNU_sse2) +cpSize gsMontExpBin_BNU_sse2(BNU_CHUNK_T* dataY, + const BNU_CHUNK_T* dataX, cpSize nsX, + const BNU_CHUNK_T* dataE, cpSize nsE, + gsModEngine* pMont, + BNU_CHUNK_T* pBufferT); + +#define gsMontExpBin_BNU_sscm_sse2 OWNAPI(gsMontExpBin_BNU_sscm_sse2) +cpSize gsMontExpBin_BNU_sscm_sse2(BNU_CHUNK_T* dataY, + const BNU_CHUNK_T* dataX, cpSize nsX, + const BNU_CHUNK_T* dataE, cpSize nsE, + gsModEngine* pMont, + BNU_CHUNK_T* pBufferT); + +#define gsMontExpWin_BNU_sse2 OWNAPI(gsMontExpWin_BNU_sse2) +cpSize gsMontExpWin_BNU_sse2(BNU_CHUNK_T* dataY, + const BNU_CHUNK_T* dataX, cpSize nsX, + const BNU_CHUNK_T* dataE, cpSize nsE, + gsModEngine* pMont, + BNU_CHUNK_T* pBufferT); + +#define gsMontExpWin_BNU_sscm_sse2 OWNAPI(gsMontExpWin_BNU_sscm_sse2) +cpSize gsMontExpWin_BNU_sscm_sse2(BNU_CHUNK_T* dataY, + const BNU_CHUNK_T* dataX, cpSize nsX, + const BNU_CHUNK_T* dataE, cpSize nsE, + gsModEngine* pMont, + BNU_CHUNK_T* pBuffer); + +#endif /* _IPP_W7 */ |