public HillKey GetInverseMod(int n)
{
Matrix2 inversedMatrix = Matrix.GetInverseMod(n); // New Matrix.
Digram inversedDigram = -1 * Digram; // New Digram.
inversedDigram.MultiplyBy(inversedMatrix);
Ring.Modulo(inversedDigram, n);
return(new HillKey(inversedMatrix, inversedDigram));
}
public void Add(Digram digram)
{
this.digram[0] += digram[0];
this.digram[1] += digram[1];
}
public HillKey(Matrix2 matrix, Digram digram)
{
Matrix = matrix;
Digram = digram;
}
public static void Modulo(Digram digram, int n)
{
digram[0] = Modulo(digram[0], n);
digram[1] = Modulo(digram[1], n);
}