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/* 
//     Intel(R) Integrated Performance Primitives. Cryptography Primitives.
//     Operations over GF(p).
// 
//     Context:
//        ippsGFpCpyElement()
// 
*/
#include "owndefs.h"
#include "owncp.h"

#include "pcpgfpstuff.h"
#include "pcpgfpxstuff.h"
#include "pcptool.h"



/*F*
// Name: ippsGFpCpyElement
//
// Purpose: Copy GF Element
//
// Returns:                   Reason:
//    ippStsNullPtrErr           NULL == pGFp
//                               NULL == pA
//                               NULL == pR
//
//    ippStsContextMatchErr      invalid pGFp->idCtx
//                               invalid pA->idCtx
//                               invalid pR->idCtx
//
//    ippStsOutOfRangeErr        GFPE_ROOM() != GFP_FELEN()
//
//    ippStsNoErr                no error
//
// Parameters:
//    pA       pointer to the source element
//    pR       pointer to the result element
//    pGFp     pointer to Finite Field context
*F*/

IPPFUN(IppStatus, ippsGFpCpyElement, (const IppsGFpElement* pA, IppsGFpElement* pR, IppsGFpState* pGFp))
{
   IPP_BAD_PTR3_RET(pA, pR, pGFp);
   pGFp = (IppsGFpState*)( IPP_ALIGNED_PTR(pGFp, GFP_ALIGNMENT) );
   IPP_BADARG_RET( !GFP_TEST_ID(pGFp), ippStsContextMatchErr );
   IPP_BADARG_RET( !GFPE_TEST_ID(pA), ippStsContextMatchErr );
   IPP_BADARG_RET( !GFPE_TEST_ID(pR), ippStsContextMatchErr );
   {
      gsModEngine* pGFE = GFP_PMA(pGFp);
      IPP_BADARG_RET( (GFPE_ROOM(pA)!=GFP_FELEN(pGFE)) || (GFPE_ROOM(pR)!=GFP_FELEN(pGFE)), ippStsOutOfRangeErr);
      cpGFpElementCopy(GFPE_DATA(pR), GFPE_DATA(pA), GFP_FELEN(pGFE));
      return ippStsNoErr;
   }
}