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Diffstat (limited to 'ext/ipp/sources/ippcp/pcpgfpx.c')
| -rw-r--r-- | ext/ipp/sources/ippcp/pcpgfpx.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/ext/ipp/sources/ippcp/pcpgfpx.c b/ext/ipp/sources/ippcp/pcpgfpx.c new file mode 100644 index 0000000..24b9f78 --- /dev/null +++ b/ext/ipp/sources/ippcp/pcpgfpx.c @@ -0,0 +1,94 @@ +/******************************************************************************* +* Copyright 2010-2018 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. +*******************************************************************************/ + +/* +// Intel(R) Integrated Performance Primitives. Cryptography Primitives. +// Operations over GF(p) ectension. +// +// Context: +// pcpgfpec_initgfpxctx.c() +// +*/ + +#include "owndefs.h" +#include "owncp.h" +#include "pcpgfpstuff.h" +#include "pcpgfpxstuff.h" +#include "pcptool.h" + + +/* the "static" specificator removed because of incorrect result under Linux-32, p8 + what's wrong? not know maybe compiler (icl 2017) + need to check after switchng on icl 2018 + */ +/*static*/ +void InitGFpxCtx(const IppsGFpState* pGroundGF, int extDeg, const IppsGFpMethod* method, IppsGFpState* pGFpx) +{ + gsModEngine* pGFEp = GFP_PMA(pGroundGF); + int elemLen = extDeg * GFP_FELEN(pGFEp); + int elemLen32 = extDeg * GFP_FELEN32(pGFEp); + + Ipp8u* ptr = (Ipp8u*)pGFpx + sizeof(IppsGFpState); + + /* context identifier */ + GFP_ID(pGFpx) = idCtxGFP; + GFP_PMA(pGFpx) = (gsModEngine*)ptr; + { + gsModEngine* pGFEx = GFP_PMA(pGFpx); + + /* clear whole context */ + PaddBlock(0, ptr, sizeof(gsModEngine)); + ptr += sizeof(gsModEngine); + + GFP_PARENT(pGFEx) = pGFEp; + GFP_EXTDEGREE(pGFEx) = extDeg; + GFP_FEBITLEN(pGFEx) = 0;//elemBitLen; + GFP_FELEN(pGFEx) = elemLen; + GFP_FELEN32(pGFEx) = elemLen32; + GFP_PELEN(pGFEx) = elemLen; + GFP_METHOD(pGFEx) = method->arith; + GFP_MODULUS(pGFEx) = (BNU_CHUNK_T*)(ptr); ptr += elemLen * sizeof(BNU_CHUNK_T); /* field polynomial */ + GFP_POOL(pGFEx) = (BNU_CHUNK_T*)(ptr); /* pool */ + GFP_MAXPOOL(pGFEx) = GFPX_POOL_SIZE; + GFP_USEDPOOL(pGFEx) = 0; + + cpGFpElementPadd(GFP_MODULUS(pGFEx), elemLen, 0); + } +} |