private void button1_Click(object sender, EventArgs e)
{
try {
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
List<byte> bytes = new List<byte>();
BinaryReader br = new BinaryReader(File.Open(openFileDialog1.FileName, FileMode.Open));
while (!(br.BaseStream.Position >= br.BaseStream.Length))
{
bytes.Add(br.ReadByte());
}
br.Close();
//BitArray plain = new BitArray(bytes.ToArray());
StringBuilder sb = new StringBuilder();
foreach (byte b in bytes)
{
sb.Append(Convert.ToString(b, 2).PadLeft(8, '0'));
}
richTextBox1.Text = sb.ToString();
sb.Clear();
LFSR lfsr = new LFSR(new List<int>() { 28, 3 },
Services.StringToBooleanArray(textBox1.Text).ToList(), bytes.ToArray());
byte[] cipher = lfsr.GetNewBitArray();
foreach (byte b in cipher)
{
string curByte = Convert.ToString(b, 2).PadLeft(8, '0');
for (int i = 0; i < 8; i++)
{
sb.Append(curByte[i]);
}
sb.Append(" ");
}
richTextBox3.Text = sb.ToString();
sb.Clear();
richTextBox2.Text = Services.BoolArrayToString(lfsr.Key);
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
BinaryWriter bw = new BinaryWriter(File.Create(saveFileDialog1.FileName));
bw.Write(Services.BitArrayToByteArray(new BitArray(cipher)));
bw.Close();
}
}
}
catch
{
}
finally
{
}
}
private void button2_Click(object sender, EventArgs e)
{
try
{
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
List<byte> bytes = new List<byte>();
BinaryReader br = new BinaryReader(File.Open(openFileDialog1.FileName, FileMode.Open));
while (!(br.BaseStream.Position >= br.BaseStream.Length))
{
bytes.Add(br.ReadByte());
}
br.Close();
richTextBox1.Text = Services.ByteArrayToString(bytes.ToArray());
LFSR lfsr1 = new LFSR(new List<int>() { 28, 3},
Services.StringToBooleanArray(textBox2.Text).ToList(), bytes.ToArray());
List<bool> key1 = lfsr1.Key;
LFSR lfsr2 = new LFSR(new List<int>() { 36, 11},
Services.StringToBooleanArray(textBox3.Text).ToList(), bytes.ToArray());
List<bool> key2 = lfsr2.Key;
LFSR lfsr3 = new LFSR(new List<int>() { 26, 8, 7, 1},
Services.StringToBooleanArray(textBox4.Text).ToList(), bytes.ToArray());
List<bool> key3 = lfsr3.Key;
List<bool> keyG = LFSR.GeffeKey(key1, key2, key3);
LFSR lfsr = new LFSR(keyG, bytes.ToArray());
byte[] cipher = lfsr.GetNewBitArray();
richTextBox3.Text = Services.ByteArrayToString(cipher);
richTextBox2.Text = Services.BoolArrayToString(keyG);
richTextBox4.Text = Services.BoolArrayToString(key1);
richTextBox5.Text = Services.BoolArrayToString(key2);
richTextBox6.Text = Services.BoolArrayToString(key3);
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
BinaryWriter bw = new BinaryWriter(File.Create(saveFileDialog1.FileName));
bw.Write(cipher);
bw.Close();
}
}
}
catch { }
finally { }
}
