public void SubsitutionCipher()
{
string text = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
string cipher = "DSJLPMECOGNWZ";
SubstitutionCipher sc = new SubstitutionCipher(text, cipher);
string textEncrypt = sc.Encrypt(text);
System.Console.Out.WriteLine(text);
System.Console.Out.WriteLine(textEncrypt);
Assert.That(text != textEncrypt);
string textDecrypt = sc.Decrypt(textEncrypt);
System.Console.Out.WriteLine(text);
System.Console.Out.WriteLine(textDecrypt);
Assert.That(text == textDecrypt);
}
public void RandomSubstitutionCipherNonCaseSensitive()
{
for (int i = 0; i < 500; i++)
{
string text = ToolCipher.GenerateText(ToolCipher.AllChar, 500);
string plain = ToolCipher.abc + ToolCipher.Number0At9;
string cipher = ToolCipher.MixedString(plain, 10);
SubstitutionCipher sc = new SubstitutionCipher(plain, cipher);
string textEncrypt = sc.Encrypt(text);
System.Console.Out.WriteLine(text);
System.Console.Out.WriteLine(textEncrypt);
Assert.That(text != textEncrypt);
string textDecrypt = sc.Decrypt(textEncrypt);
System.Console.Out.WriteLine(text);
System.Console.Out.WriteLine(textDecrypt);
Assert.That(text == textDecrypt);
}
}
public bool ValidParameter()
{
try
{
if (sc == null)
{
sc = new SubstitutionCipher(textBoxTargeted.Text, textBoxSubstituted.Text, checkBoxCaseSensitive.Checked);
}
else
{
sc.Plain = textBoxTargeted.Text;
sc.Cipher = textBoxSubstituted.Text;
sc.CaseSensitive = checkBoxCaseSensitive.Checked;
}
}
catch(Exception e)
{
MessageBox.Show(e.Message, "Erreur", MessageBoxButtons.OK, MessageBoxIcon.Error);
return false;
}
return true;
}
private void SubsitutionCipherChange()
{
_sc = new SubstitutionCipher(_plain, _plain.Substring(_shift) + _plain.Substring(0, _shift), false);
}
