public SecT163FieldElement(BigInteger x)
 {
     if (x == null || x.SignValue < 0 || x.BitLength > 163)
     {
         throw new ArgumentException("value invalid for SecT163FieldElement", "x");
     }
     this.x = SecT163Field.FromBigInteger(x);
 }
 public override ECFieldElement SquarePow(int pow)
 {
     if (pow < 1)
     {
         return(this);
     }
     ulong[] z = Nat192.Create64();
     SecT163Field.SquareN(x, pow, z);
     return(new SecT163FieldElement(z));
 }
 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 Multiply(ECFieldElement b)
 {
     ulong[] z = Nat192.Create64();
     SecT163Field.Multiply(x, ((SecT163FieldElement)b).x, z);
     return(new SecT163FieldElement(z));
 }
 public override ECFieldElement AddOne()
 {
     ulong[] z = Nat192.Create64();
     SecT163Field.AddOne(x, z);
     return(new SecT163FieldElement(z));
 }