public override ECFieldElement Multiply(ECFieldElement b)
 {
     ulong[] z = Nat128.Create64();
     SecT113Field.Multiply(x, ((SecT113FieldElement)b).x, z);
     return(new SecT113FieldElement(z));
 }
 public override ECFieldElement AddOne()
 {
     ulong[] z = Nat128.Create64();
     SecT113Field.AddOne(x, z);
     return(new SecT113FieldElement(z));
 }