/*
* CheckValid() runs the validity tests on the curve, and
* verifies that provided point is part of a subgroup with
* the advertised subgroup order.
*/
public void CheckValid()
{
curve.CheckValid();
MutableECPoint P = iPub.Dup();
if (P.MulSpecCT(curve.SubgroupOrder) == 0 ||
!P.IsInfinity)
{
throw new CryptoException(
"Public key point not on the defined subgroup");
}
}
/*
* CheckValid() runs the validity tests on the curve.
*/
public void CheckValid()
{
curve.CheckValid();
}