private void buttonCalculate_Click(object sender, EventArgs e)
{
Regex hexa = new Regex(@"^[0-9A-F]+$");
if (hexa.IsMatch(textBoxNumber1.Text) && hexa.IsMatch(textBoxNumber2.Text) && hexa.IsMatch(textBoxDivisor.Text))
{
try
{
int num1 = textBoxNumber1.Text.HexToInt();
int num2 = textBoxNumber2.Text.HexToInt();
int div = textBoxDivisor.Text.HexToInt();
string bin1 = num1.ToBin();
string bin2 = num2.ToBin();
string binDiv = div.ToBin();
int len = 5 * (bin1.Length + bin2.Length - 1) / 4;
string now, binary;
string line = DuplicateChar('-', len);
dataGridViewCalcBiner.Rows.Clear();
dataGridViewCalcHex.Rows.Clear();
InsertDataGridPolinomial(ToPolinomial(bin1));
binary = InsertSpace(bin1);
now = string.Concat(DuplicateChar(' ', len - binary.Length), binary);
InsertDataGrid(now);
InsertDataGridPolinomial(ToPolinomial(bin2));
binary = InsertSpace(bin2);
now = string.Concat(DuplicateChar(' ', len - binary.Length), binary);
InsertDataGrid(now);
InsertDataGridPolinomial(line);
InsertDataGrid(line);
string binMul = Multiply(bin1, bin2, bin2.Length - 1);
line += "XOR";
InsertDataGridPolinomial(line);
InsertDataGrid(line);
InsertDataGridPolinomial(ToPolinomial(binMul));
binary = InsertSpace(binMul);
now = string.Concat(DuplicateChar(' ', len - binary.Length), binary);
InsertDataGrid(now);
int ct = 64;
if (binMul.Length > 8)
{
binDiv = string.Concat(binDiv, DuplicateChar('0', binMul.Length - binDiv.Length));
}
while (binMul.Length > 8 && ct-- > 0)
{
InsertDataGridPolinomial(ToPolinomial(binDiv));
binary = InsertSpace(binDiv);
now = string.Concat(DuplicateChar(' ', len - binary.Length), binary);
InsertDataGrid(now);
InsertDataGridPolinomial(line);
InsertDataGrid(line);
binMul = XOR(binMul, binDiv);
InsertDataGridPolinomial(ToPolinomial(binMul));
binary = InsertSpace(binMul);
now = string.Concat(DuplicateChar(' ', len - binary.Length), binary);
InsertDataGrid(now);
while (binMul[0] == '0')
{
binMul = binMul.Remove(0, 1);
binDiv = binDiv.Remove(binDiv.Length - 1, 1);
}
}
int gf = binMul.BinToInt();
InsertDataGridPolinomial(ToPolinomial(binMul));
InsertDataGrid(now + " = " + gf.ToHex() + "(16) = " + Kripto.GF_8_Hexa(num1, num2));
}
catch (Exception ex)
{
MessageBox.Show(ex.Message.ToString());
}
}
else
{
MessageBox.Show("Hexa tidak valid");
}
}
