public override ECFieldElement SquarePlusProduct(ECFieldElement x, ECFieldElement y)
{
ulong[] array = this.x;
ulong[] array2 = ((SecT233FieldElement)x).x;
ulong[] y2 = ((SecT233FieldElement)y).x;
ulong[] array3 = Nat256.CreateExt64();
SecT233Field.SquareAddToExt(array, array3);
SecT233Field.MultiplyAddToExt(array2, y2, array3);
ulong[] z = Nat256.Create64();
SecT233Field.Reduce(array3, z);
return(new SecT233FieldElement(z));
}
