private void button2_Click(object sender, EventArgs e)
{
richTextBox2.Clear();
/*richTextBox2.Text = Encrypt_ECB(richTextBox1.Text, round_keys, var_data_length, var_key_length, richTextBox2);*/
int bl_l = var_data_length / 4;
string text1 = richTextBox1.Text;
if (richTextBox1.Text.Length % bl_l != 0)
{
if (richTextBox1.Text.Length < bl_l)
{
int dop = bl_l - richTextBox1.Text.Length;
text1 += "10";
for (int i = 0; i < dop - 1; i++)
{
text1 += "00";
}
}
else
{
int dop = richTextBox1.Text.Length % bl_l;
text1 += "1";
for (int i = 0; i < 32 - dop - 1; i++)
{
text1 += "0";
}
}
}
int kblock = (int)(text1.Length / bl_l);
string[] bl = new string[kblock];
int blk = 0;
int cols = 0;
switch (var_data_length)
{
case 128:
cols = 2;
break;
case 256:
cols = 4;
break;
case 512:
cols = 8;
break;
}
for (int l = 0; l < kblock; l++)
{
bl[l] = text1.Substring(blk, 16 * cols);
blk += 32;
}
numHex nh = new numHex();
byte[,] mydata = new byte[8, cols];
for (int t = 0; t < bl.Length; t++)
{
int tt = 0;
int nn = 0;
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
mydata[i, j] = (byte)nh.ConvertInt(bl[t].Substring(nn, 2));
nn += 2;
}
}
byte[,] buffer = new byte[8, cols];
for (int r = 0; r < Rkeys.Length; r++)
{
string[] buff = Rkeys[r].Split('/');
int[] num = new int[buff.Length];
int c = 0;
foreach (string s1 in buff)
{
if (s1 != "")
{
num[c] = Int32.Parse(s1);
c++;
}
}
byte[,] data = new byte[8, cols];
c = 0;
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
data[i, j] = (byte)num[c];
c++;
}
}
if (r == 0)
{
buffer = key.addNumbers(data, mydata, cols);
}
else if (r == Rkeys.Length - 1)
{
buffer = key.sBoxes(buffer, cols);
buffer = key.S_Rows(buffer, cols);
buffer = key.M_Columns(buffer, cols);
buffer = key.addNumbers(data, buffer, cols);
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
string s = buffer[i, j].ToString("x");
if (s.Length < 2)
{
s = "0" + s;
}
richTextBox2.Text += s;
}
}
// richTextBox2.Text += Environment.NewLine;
}
else
{
buffer = key.sBoxes(buffer, cols);
buffer = key.S_Rows(buffer, cols);
buffer = key.M_Columns(buffer, cols);
buffer = key.xor_rkey(buffer, data, cols);
}
}
}
}
private void button3_Click(object sender, EventArgs e)
{
richTextBox4.Clear();
// richTextBox4.Text = Decrypt_ECB(richTextBox3.Text, round_keys, var_data_length, var_key_length, richTextBox2);
int bl_l = var_data_length / 4;
string text1 = richTextBox3.Text;
int kblock = (int)(text1.Length / bl_l);
string[] bl = new string[kblock];
int cols = 0;
switch (var_data_length)
{
case 128:
cols = 2;
break;
case 256:
cols = 4;
break;
case 512:
cols = 8;
break;
}
int blk = 0;
for (int l = 0; l < kblock; l++)
{
bl[l] = text1.Substring(blk, 16 * cols);
blk += 32;
}
numHex nh = new numHex();
byte[,] mydata = new byte[8, cols];
for (int t = 0; t < bl.Length; t++)
{
int tt = 0;
int nn = 0;
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
mydata[i, j] = (byte)nh.ConvertInt(bl[t].Substring(nn, 2));
nn += 2;
}
}
byte[,] buffer = new byte[8, cols];
for (int r = Rkeys.Length - 1; r >= 0; r--)
{
string[] buff = Rkeys[r].Split('/');
int[] num = new int[buff.Length];
int c = 0;
foreach (string s1 in buff)
{
if (s1 != "")
{
num[c] = Int32.Parse(s1);
c++;
}
}
byte[,] data = new byte[8, cols];
c = 0;
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
data[i, j] = (byte)num[c];
c++;
}
}
if (r == 0)
{
buffer = key.subNumbers(buffer, data, cols);
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
string s = buffer[i, j].ToString("x");
if (s.Length < 2)
{
s = "0" + s;
}
richTextBox4.Text += s;
}
}
}
else if (r == Rkeys.Length - 1)//0f0e0d0c0b0a09080706050403020100
{
buffer = key.subNumbers(mydata, data, cols);
buffer = key.Inv_MColumns(buffer, cols);
buffer = key.Inv_S_Rows(buffer, cols);
buffer = key.Inv_Sboxes(buffer, cols);
// richTextBox2.Text += Environment.NewLine;
}
else
{
buffer = key.xor_rkey(buffer, data, cols);
buffer = key.Inv_MColumns(buffer, cols);
buffer = key.Inv_S_Rows(buffer, cols);
buffer = key.Inv_Sboxes(buffer, cols);
}
}
}
}
private void button1_Click(object sender, EventArgs e)
{
if (r < 11)
{
label103.Text = "Раунд " + (r + 1).ToString();
label81.Text = "";
label82.Text = "";
label83.Text = "";
label84.Text = "";
label85.Text = "";
int clabel = 0;
foreach (Label ll in label)
{
ll.Text = "";
}
State key = new State();
int cols = 0;
switch (var_data_length)
{
case 128:
cols = 2;
break;
case 256:
cols = 4;
break;
case 512:
cols = 8;
break;
}
if (r == 0)
{
int bl_l = var_data_length / 4;
string text1 = richTextBox1;
if (text1.Length % bl_l != 0)
{
if (text1.Length < bl_l)
{
int dop = bl_l - text1.Length;
text1 += "10";
for (int i = 0; i < dop - 1; i++)
{
text1 += "00";
}
}
else
{
int dop = text1.Length % bl_l;
text1 += "1";
for (int i = 0; i < 32 - dop - 1; i++)
{
text1 += "0";
}
}
}
int kblock = (int)(text1.Length / bl_l);
string[] bl = new string[kblock];
int blk = 0;
mydata = new byte[8, cols];
buffer = new byte[8, cols];
for (int l = 0; l < kblock; l++)
{
bl[l] = text1.Substring(blk, 16 * cols);
blk += 32;
}
numHex nh = new numHex();
int tt = 0;
int nn = 0;
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
mydata[i, j] = (byte)nh.ConvertInt(bl[t].Substring(nn, 2));
nn += 2;
}
}
label86.Text = "Вхідні дані";
int cll = 0;
Label[] ll = { label87, label88, label89, label90, label91, label92, label93, label94, label95,
label96, label97, label98, label99, label100, label101, label102 };
foreach (Label l in ll)
{
l.Text = "";
}
for (int j = cols - 1; j >= 0; j--)
{
for (int i = 7; i >= 0; i--)
{
string s = mydata[i, j].ToString("x");
if (s.Length < 2)
{
s = "0" + s;
}
ll[cll].Text += s;
cll++;
}
}
}
string[] buff = Rkeys[r].Split('/');
int[] num = new int[buff.Length];
int c = 0;
foreach (string s1 in buff)
{
if (s1 != "")
{
num[c] = Int32.Parse(s1);
c++;
}
}
#region keys
byte[,] data = new byte[8, cols];
c = 0;
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
data[i, j] = (byte)num[c];
c++;
}
}
label81.Text = "Раундовий ключ";
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
string s = data[i, j].ToString("x");
if (s.Length < 2)
{
s = "0" + s;
}
label[clabel].Text += s;
clabel++;
}
}
#endregion
if (r == 0)
{
clabel = 64;
buffer = key.addNumbers(data, mydata, cols);
label85.Text = "ADD_RKEY";
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
string s = buffer[i, j].ToString("x");
if (s.Length < 2)
{
s = "0" + s;
}
label[clabel].Text += s;
clabel++;
}
}
}
else if (r == Rkeys.Length - 1)
{
label82.Text = "S_BOX";
buffer = key.sBoxes(buffer, cols);
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
string s = buffer[i, j].ToString("x");
if (s.Length < 2)
{
s = "0" + s;
}
label[clabel].Text += s;
clabel++;
}
}
label83.Text = "S_ROW";
buffer = key.S_Rows(buffer, cols);
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
string s = buffer[i, j].ToString("x");
if (s.Length < 2)
{
s = "0" + s;
}
label[clabel].Text += s;
clabel++;
}
}
label84.Text = "M_COL";
buffer = key.M_Columns(buffer, cols);
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
string s = buffer[i, j].ToString("x");
if (s.Length < 2)
{
s = "0" + s;
}
label[clabel].Text += s;
clabel++;
}
}
label85.Text = "Зашифровані дані (ADD_RKEY)";
buffer = key.addNumbers(data, buffer, cols);
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
string s = buffer[i, j].ToString("x");
if (s.Length < 2)
{
s = "0" + s;
}
label[clabel].Text += s;
clabel++;
}
}
// richTextBox2.Text += Environment.NewLine;
}
else
{
label82.Text = "S_BOX";
buffer = key.sBoxes(buffer, cols);
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
string s = buffer[i, j].ToString("x");
if (s.Length < 2)
{
s = "0" + s;
}
label[clabel].Text += s;
clabel++;
}
}
label83.Text = "S_ROW";
buffer = key.S_Rows(buffer, cols);
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
string s = buffer[i, j].ToString("x");
if (s.Length < 2)
{
s = "0" + s;
}
label[clabel].Text += s;
clabel++;
}
}
label84.Text = "M_COL";
buffer = key.M_Columns(buffer, cols);
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
string s = buffer[i, j].ToString("x");
if (s.Length < 2)
{
s = "0" + s;
}
label[clabel].Text += s;
clabel++;
}
}
label85.Text = "XOR";
buffer = key.xor_rkey(buffer, data, cols);
for (int j = 0; j < cols; j++)
{
for (int i = 0; i < 8; i++)
{
string s = buffer[i, j].ToString("x");
if (s.Length < 2)
{
s = "0" + s;
}
label[clabel].Text += s;
clabel++;
}
}
}
r++;
}
else
{
t++;
r = 0;
}
}
