public static Matrix XOR(Matrix a, Matrix b)
{
Matrix c = new Matrix(a.Rows, a.Columns);
for (int i = 0; i < c.Rows; i++)
{
for (int j = 0; j < c.Columns; j++)
{
c[i, j] = MultiplicativeInverse.XOR(a[i, j], b[i, j]);
}
}
return(c);
}
public static string GetInverse(string text1, string text2, string mx, int n)
{
string[] multiplyTable = new string[n];
if (text1.IndexOf('1') > text2.IndexOf('1'))
{
string temp = text2;
text2 = text1;
text1 = temp;
}
multiplyTable[0] = text1;
for (int i = 1; i < n; i++)
{
multiplyTable[i] = MultiplicativeInverse.LeftShift2(multiplyTable[i - 1], n);
if (multiplyTable[i - 1][text1.Length - n].Equals('1'))
{
multiplyTable[i] = MultiplicativeInverse.XOR(multiplyTable[i], mx);
}
}
string Mul_Inverse = "";
for (int i = 0; i < text2.Length; i++)
{
if (text2[i].Equals('1'))
{
if (Mul_Inverse.Equals(""))
{
Mul_Inverse = multiplyTable[(text2.Length - 1) - i];
}
else
{
Mul_Inverse = MultiplicativeInverse.XOR(Mul_Inverse,
multiplyTable[(text2.Length - 1) - i]);
}
}
}
if (Mul_Inverse.Equals(""))
{
Mul_Inverse = "00000000";
}
return(Mul_Inverse);
}
