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Diffstat (limited to 'ext/ipp/sources/ippcp/gsmodmethod.h')
| -rw-r--r-- | ext/ipp/sources/ippcp/gsmodmethod.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/ext/ipp/sources/ippcp/gsmodmethod.h b/ext/ipp/sources/ippcp/gsmodmethod.h new file mode 100644 index 0000000..351337d --- /dev/null +++ b/ext/ipp/sources/ippcp/gsmodmethod.h @@ -0,0 +1,121 @@ +/******************************************************************************* +* Copyright 2017-2018 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. +*******************************************************************************/ + +#if !defined(_GS_MOD_METHOD_H) +#define _GS_MOD_METHOD_H + +//#include "owndefs.h" +#include "owncp.h" + +#include "pcpbnuimpl.h" +//#include "gsmodstuff.h" + +typedef struct _gsModEngine gsEngine; + +/* modular arith methods */ +typedef BNU_CHUNK_T* (*mod_encode)(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsEngine* pMA); +typedef BNU_CHUNK_T* (*mod_decode)(BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsEngine* pMA); +typedef BNU_CHUNK_T* (*mod_red) (BNU_CHUNK_T* pR, BNU_CHUNK_T* pA, gsEngine* pMA); +typedef BNU_CHUNK_T* (*mod_sqr) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsEngine* pMA); +typedef BNU_CHUNK_T* (*mod_mul) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pB, gsEngine* pMA); +typedef BNU_CHUNK_T* (*mod_add) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pB, gsEngine* pMA); +typedef BNU_CHUNK_T* (*mod_sub) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, const BNU_CHUNK_T* pB, gsEngine* pMA); +typedef BNU_CHUNK_T* (*mod_neg) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsEngine* pMA); +typedef BNU_CHUNK_T* (*mod_div2) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsEngine* pMA); +typedef BNU_CHUNK_T* (*mod_mul2) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsEngine* pMA); +typedef BNU_CHUNK_T* (*mod_mul3) (BNU_CHUNK_T* pR, const BNU_CHUNK_T* pA, gsEngine* pMA); + +typedef struct _gsModMethod { + mod_encode encode; + mod_decode decode; + mod_mul mul; + mod_sqr sqr; + mod_red red; + mod_add add; + mod_sub sub; + mod_neg neg; + mod_div2 div2; + mod_mul2 mul2; + mod_mul3 mul3; +} gsModMethod; + +__INLINE BNU_CHUNK_T cpIsZero(BNU_CHUNK_T x) +{ return x==0; } +__INLINE BNU_CHUNK_T cpIsNonZero(BNU_CHUNK_T x) +{ return x!=0; } +__INLINE BNU_CHUNK_T cpIsOdd(BNU_CHUNK_T x) +{ return x&1; } +__INLINE BNU_CHUNK_T cpIsEven(BNU_CHUNK_T x) +{ return 1-cpIsOdd(x); } + +/* dst[] = (flag)? src[] : dst[] */ +__INLINE void cpMaskMove_gs(BNU_CHUNK_T* dst, const BNU_CHUNK_T* src, int len, BNU_CHUNK_T moveFlag) +{ + BNU_CHUNK_T srcMask = 0-cpIsNonZero(moveFlag); + BNU_CHUNK_T dstMask = ~srcMask; + int n; + for(n=0; n<len; n++) + dst[n] = (src[n] & srcMask) ^ (dst[n] & dstMask); +} + +/* common available pre-defined methos */ +#define gsModArith OWNAPI(gsModArith) +gsModMethod* gsModArith(void); + +/* available pre-defined methos for RSA */ +#define gsModArithRSA OWNAPI(gsModArithRSA) +gsModMethod* gsModArithRSA(void); + +/* available pre-defined methos for ippsMont* */ +#define gsModArithMont OWNAPI(gsModArithMont) +gsModMethod* gsModArithMont(void); + +/* available pre-defined methos for DLP * */ +#define gsModArithDLP OWNAPI(gsModArithDLP) +gsModMethod* gsModArithDLP(void); + +/* available pre-defined common methos for GF over prime * */ +#define gsArithGFp OWNAPI(gsArithGFp) +gsModMethod* gsArithGFp(void); + +/* ... and etc ... */ + +#endif /* _GS_MOD_METHOD_H */ + |