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- /*
- * Copyright (C) 2016 Intel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
- #include "owndefs.h"
- #include "owncp.h"
- #include "pcpbnresource.h"
- #include "pcpbn.h"
- /*
- // Size of BigNum List Buffer
- */
- int cpBigNumListGetSize(int feBitSize, int nodes)
- {
- /* size of buffer per single big number */
- int bnSize;
- ippsBigNumGetSize(BITS2WORD32_SIZE(feBitSize), &bnSize);
- /* size of buffer for whole list */
- return (ALIGN_VAL-1) + (sizeof(BigNumNode) + bnSize) * nodes;
- }
- /*
- // Init list
- //
- // Note: buffer for BN list must have appropriate alignment
- */
- void cpBigNumListInit(int feBitSize, int nodes, BigNumNode* pList)
- {
- int itemSize;
- /* length of Big Num */
- int bnLen = BITS2WORD32_SIZE(feBitSize);
- /* size of buffer per single big number */
- ippsBigNumGetSize(bnLen, &itemSize);
- /* size of list item */
- itemSize += sizeof(BigNumNode);
- {
- int n;
- /* init all nodes */
- BigNumNode* pNode = (BigNumNode*)( (Ipp8u*)pList + (nodes-1)*itemSize );
- BigNumNode* pNext = NULL;
- for(n=0; n<nodes; n++) {
- Ipp8u* tbnPtr = (Ipp8u*)pNode + sizeof(BigNumNode);
- pNode->pNext = pNext;
- pNode->pBN = (IppsBigNumState*)( IPP_ALIGNED_PTR(tbnPtr, ALIGN_VAL) );
- ippsBigNumInit(bnLen, pNode->pBN);
- pNext = pNode;
- pNode = (BigNumNode*)( (Ipp8u*)pNode - itemSize);
- }
- }
- }
- /*
- // Get BigNum reference
- */
- IppsBigNumState* cpBigNumListGet(BigNumNode** ppList)
- {
- if(*ppList) {
- IppsBigNumState* ret = (*ppList)->pBN;
- *ppList = (BigNumNode*)((*ppList)->pNext);
- return ret;
- }
- else
- return NULL;
- }
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