public override ECFieldElement SquarePlusProduct(ECFieldElement x, ECFieldElement y)
{
ulong[] array = this.x;
ulong[] array2 = ((SecT163FieldElement)x).x;
ulong[] y2 = ((SecT163FieldElement)y).x;
ulong[] array3 = Nat192.CreateExt64();
SecT163Field.SquareAddToExt(array, array3);
SecT163Field.MultiplyAddToExt(array2, y2, array3);
ulong[] z = Nat192.Create64();
SecT163Field.Reduce(array3, z);
return(new SecT163FieldElement(z));
}
public override ECFieldElement MultiplyPlusProduct(ECFieldElement b, ECFieldElement x, ECFieldElement y)
{
ulong[] ax = this.x, bx = ((SecT163FieldElement)b).x;
ulong[] xx = ((SecT163FieldElement)x).x, yx = ((SecT163FieldElement)y).x;
ulong[] tt = Nat192.CreateExt64();
SecT163Field.MultiplyAddToExt(ax, bx, tt);
SecT163Field.MultiplyAddToExt(xx, yx, tt);
ulong[] z = Nat192.Create64();
SecT163Field.Reduce(tt, z);
return new SecT163FieldElement(z);
}
public static void SquareN(ulong[] x, int n, ulong[] z)
{
Debug.Assert(n > 0);
ulong[] tt = Nat192.CreateExt64();
ImplSquare(x, tt);
Reduce(tt, z);
while (--n > 0)
{
ImplSquare(z, tt);
Reduce(tt, z);
}
}
public static void HalfTrace(ulong[] x, ulong[] z)
{
ulong[] tt = Nat192.CreateExt64();
Nat192.Copy64(x, z);
for (int i = 1; i < 163; i += 2)
{
ImplSquare(z, tt);
Reduce(tt, z);
ImplSquare(z, tt);
Reduce(tt, z);
AddTo(x, z);
}
}
public static void MultiplyAddToExt(ulong[] x, ulong[] y, ulong[] zz)
{
ulong[] tt = Nat192.CreateExt64();
ImplMultiply(x, y, tt);
AddExt(zz, tt, zz);
}
public static void Multiply(ulong[] x, ulong[] y, ulong[] z)
{
ulong[] tt = Nat192.CreateExt64();
ImplMultiply(x, y, tt);
Reduce(tt, z);
}
public static void SquareAddToExt(ulong[] x, ulong[] zz)
{
ulong[] tt = Nat192.CreateExt64();
ImplSquare(x, tt);
AddExt(zz, tt, zz);
}
public static void Square(ulong[] x, ulong[] z)
{
ulong[] tt = Nat192.CreateExt64();
ImplSquare(x, tt);
Reduce(tt, z);
}
