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 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 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)); }