Visible to Intel only — GUID: GUID-E1950F04-7344-4C40-AC5D-17C1187A1C57
Visible to Intel only — GUID: GUID-E1950F04-7344-4C40-AC5D-17C1187A1C57
GFpECPointInit
Initializes the context of a point on an elliptic curve.
Syntax
IppStatus ippsGFpECPointInit(const IppsGFpElement* pX, const IppsGFpElement* pY, IppsGFpECPoint* pPoint, IppsGFpECState* pEC);
Include Files
ippcp.h
Parameters
pX, pY |
Pointers to the X and Y coordinates of a point on the elliptic curve. |
pPoint |
Pointer to the IppsGFpECPoint context being initialized. |
pEC |
Pointer to the context of the elliptic curve. |
Description
This function initializes the IppsGFpECPoint context and sets the coordinates of an elliptic curve point to the values stored in pX and pY. If any of the pointers to the X and Y coordinates is zero, the function sets the coordinates of the elliptic curve point in the IppsGFpECPoint context to the coordinates of a point at infinity.
Return Values
ippStsNoErr |
Indicates no error. Any other value indicates an error or warning. |
ippStsNullPtrErr |
Indicates an error condition if either pPoint or pEC is NULL. |
ippStsContextMatchErr |
Indicates an error condition in the following cases:
|
ippStsOutOfRangeErr |
Indicates an error if the point coordinates (pX, pY) do not belong to the finite field over which the elliptic curve is initialized. |