public override ECFieldElement Square()
{
IntArray squared = x.Square(m);
squared.Reduce(m, new int[] { k1, k2, k3 });
return(new F2mFieldElement(m, k1, k2, k3, squared));
}
public override ECFieldElement Multiply(
ECFieldElement b)
{
// Right-to-left comb multiplication in the IntArray
// Input: Binary polynomials a(z) and b(z) of degree at most m-1
// Output: c(z) = a(z) * b(z) mod f(z)
// No check performed here for performance reasons. Instead the
// elements involved are checked in ECPoint.F2m
// checkFieldElements(this, b);
F2mFieldElement bF2m = (F2mFieldElement)b;
IntArray mult = x.Multiply(bF2m.x, m);
mult.Reduce(m, new int[] { k1, k2, k3 });
return(new F2mFieldElement(m, k1, k2, k3, mult));
}