text: /*******************************************************************************
  * Copyright 2005-2020 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.
  //     DL over Prime Field (initialization)
  // 
  //  Contents:
  //        cpPackDLPCtx()
  //
  */
  
  #include "owndefs.h"
  #include "owncp.h"
  #include "pcpdlp.h"
  #include "pcptool.h"
  
  IPP_OWN_DEFN (void, cpPackDLPCtx, (const IppsDLPState* pDLP, Ipp8u* pBuffer))
  {
     IppsDLPState* pB = (IppsDLPState*)(pBuffer);
  
     CopyBlock(pDLP, pB, sizeof(IppsDLPState));
     DLP_MONTP0(pB) = (gsModEngine*)((Ipp8u*)NULL + IPP_UINT_PTR(DLP_MONTP0(pDLP))-IPP_UINT_PTR(pDLP));
     DLP_MONTP1(pB)  = NULL;
     DLP_MONTR(pB)   =   (gsModEngine*)((Ipp8u*)NULL + IPP_UINT_PTR(DLP_MONTR(pDLP))   -IPP_UINT_PTR(pDLP));
  
     DLP_GENC(pB)    = (IppsBigNumState*)((Ipp8u*)NULL + IPP_UINT_PTR(DLP_GENC(pDLP))    -IPP_UINT_PTR(pDLP));
     DLP_X(pB)       = (IppsBigNumState*)((Ipp8u*)NULL + IPP_UINT_PTR(DLP_X(pDLP))       -IPP_UINT_PTR(pDLP));
     DLP_YENC(pB)    = (IppsBigNumState*)((Ipp8u*)NULL + IPP_UINT_PTR(DLP_YENC(pDLP))    -IPP_UINT_PTR(pDLP));
  
     DLP_PRIMEGEN(pB)=  (IppsPrimeState*)((Ipp8u*)NULL + IPP_UINT_PTR(DLP_PRIMEGEN(pDLP))-IPP_UINT_PTR(pDLP));
  
     DLP_METBL(pB)   = (BNU_CHUNK_T*)((Ipp8u*)NULL + IPP_UINT_PTR(DLP_METBL(pDLP)) -IPP_UINT_PTR(pDLP));
  
     DLP_BNCTX(pB)   =  (BigNumNode*)((Ipp8u*)NULL + IPP_UINT_PTR(DLP_BNCTX(pDLP))   -IPP_UINT_PTR(pDLP));
     #if defined(_USE_WINDOW_EXP_)
     DLP_BNUCTX0(pB) = (WINDOW==DLP_EXPMETHOD(pDLP))?(BNU_CHUNK_T*)((Ipp8u*)NULL + IPP_UINT_PTR(DLP_BNUCTX0(pDLP))-IPP_UINT_PTR(pDLP)) : NULL;
     DLP_BNUCTX1(pB) = NULL;
     #endif
  
     gsPackModEngineCtx(DLP_MONTP0(pDLP),    (Ipp8u*)pB+IPP_UINT_PTR(DLP_MONTP0(pB)));
     gsPackModEngineCtx(DLP_MONTR(pDLP),     (Ipp8u*)pB+IPP_UINT_PTR(DLP_MONTR(pB)));
  
     cpPackBigNumCtx(DLP_GENC(pDLP),    (Ipp8u*)pB+IPP_UINT_PTR(DLP_GENC(pB)));
     cpPackBigNumCtx(DLP_X(pDLP),       (Ipp8u*)pB+IPP_UINT_PTR(DLP_X(pB)));
     cpPackBigNumCtx(DLP_YENC(pDLP),    (Ipp8u*)pB+IPP_UINT_PTR(DLP_YENC(pB)));
  
     cpPackPrimeCtx(DLP_PRIMEGEN(pDLP), (Ipp8u*)pB+IPP_UINT_PTR(DLP_PRIMEGEN(pB)));
  }
  