internal static void VerifyMultiplication(long a, long b)
{
LongLong ll = LongLong.Multiplication(new LongLong(), a, b);
BigInteger bi = BigInteger.ValueOf(a).Multiply(BigInteger.ValueOf(b));
string s = string.Format("\na = %x\nb = %x\nll= " + ll + "\nbi= " + bi.ToString(16
) + "\n", a, b);
//System.out.println(s);
NUnit.Framework.Assert.AreEqual(s, bi, ll.ToBigInteger());
}
internal virtual long M(long c, long d)
{
LongLong.Multiplication(this.x, c, d);
// a = (x * N')&(R - 1) = ((x & R_1) * N') & R_1
long a = LongLong.Multiplication(this.xN_I, this.x.And(this._enclosing.R1), this.
_enclosing.NI).And(this._enclosing.R1);
LongLong.Multiplication(this.aN, a, this._enclosing.N);
long z = this.aN.PlusEqual(this.x).ShiftRight(this._enclosing.s);
return(z < this._enclosing.N ? z : z - this._enclosing.N);
}