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/* 
// 
//  Purpose:
//     Intel(R) Integrated Performance Primitives. Cryptography Primitives.
//     Internal EC over GF(p^m) basic Definitions & Function Prototypes
// 
//     Context:
//        gfec_NegPoint()
//
*/

#include "owndefs.h"
#include "owncp.h"
#include "pcpgfpecstuff.h"
#include "gsscramble.h"


IppsGFpECPoint* gfec_NegPoint(IppsGFpECPoint* pR,
                        const IppsGFpECPoint* pP, IppsGFpECState* pEC)
{
   IppsGFpState* pGF = ECP_GFP(pEC);
   gsModEngine* pGFE = GFP_PMA(pGF);
   int elmLen = GFP_FELEN(pGFE);
   if(pR!=pP)
      gfec_CopyPoint(pR, pP, elmLen);
   GFP_METHOD(pGFE)->neg(ECP_POINT_Y(pR), ECP_POINT_Y(pP), pGFE);
   return pR;
}