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     40 
     41 /*
     42 //
     43 //  Purpose:
     44 //     Intel(R) Integrated Performance Primitives. Cryptography Primitives.
     45 //     EC over GF(p) Operations
     46 //
     47 //     Context:
     48 //        ippsGFpECCpyPoint()
     49 //
     50 */
     51 
     52 #include "owndefs.h"
     53 #include "owncp.h"
     54 #include "pcpgfpecstuff.h"
     55 #include "pcphash.h"
     56 #include "pcphash_rmf.h"
     57 
     58 /*F*
     59 // Name: ippsGFpECCpyPoint
     60 //
     61 // Purpose: Copies one point to another
     62 //
     63 // Returns:                   Reason:
     64 //    ippStsNullPtrErr               pA == NULL
     65 //                                   pR == NULL
     66 //                                   pEC == NULL
     67 //
     68 //    ippStsContextMatchErr          invalid pEC->idCtx
     69 //                                   invalid pA->idCtx
     70 //                                   invalid pR->idCtx
     71 //
     72 //    ippStsOutOfRangeErr            ECP_POINT_FELEN(pA)!=GFP_FELEN()
     73 //                                   ECP_POINT_FELEN(pR)!=GFP_FELEN()
     74 //
     75 //    ippStsNoErr                    no error
     76 //
     77 // Parameters:
     78 //    pA              Pointer to the context of the elliptic curve point being copied
     79 //    pR              Pointer to the context of the elliptic curve point being changed
     80 //    pEC             Pointer to the context of the elliptic curve
     81 //
     82 *F*/
     83 
     84 IPPFUN(IppStatus, ippsGFpECCpyPoint,(const IppsGFpECPoint* pA,
     85                                            IppsGFpECPoint* pR,
     86                                            IppsGFpECState* pEC))
     87 {
     88    IPP_BAD_PTR3_RET(pA, pR, pEC);
     89    pEC = (IppsGFpECState*)( IPP_ALIGNED_PTR(pEC, ECGFP_ALIGNMENT) );
     90    IPP_BADARG_RET( !ECP_TEST_ID(pEC), ippStsContextMatchErr );
     91    IPP_BADARG_RET( !ECP_POINT_TEST_ID(pA), ippStsContextMatchErr );
     92    IPP_BADARG_RET( !ECP_POINT_TEST_ID(pR), ippStsContextMatchErr );
     93 
     94    IPP_BADARG_RET( ECP_POINT_FELEN(pA)!=GFP_FELEN(GFP_PMA(ECP_GFP(pEC))), ippStsOutOfRangeErr);
     95    IPP_BADARG_RET( ECP_POINT_FELEN(pR)!=GFP_FELEN(GFP_PMA(ECP_GFP(pEC))), ippStsOutOfRangeErr);
     96 
     97    gfec_CopyPoint(pR, pA, GFP_FELEN(GFP_PMA(ECP_GFP(pEC))));
     98    return ippStsNoErr;
     99 }
    100