public void DecodeTestEng()
{
string text = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
string expected = "ZYXWVUTSRQPONMLKJIHGFEDCBA";
ICipher cipher = new Atbash();
string actual = cipher.Decode(text);
Assert.AreEqual(expected, actual);
}
public void EncodeTestMixed()
{
string text = "ZYX123cbaщЩщ";
string expected = "ABC123xyzжЖж";
ICipher cipher = new Atbash();
string actual = cipher.Encode(text);
Assert.AreEqual(expected, actual);
}
public void DecodeTestRus()
{
string text = "ЯЮЭЬЫЪЩШЧЦХФУТСРПОНМЛКЙИЗЖЕДГВБА";
string expected = "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ";
ICipher cipher = new Atbash();
string actual = cipher.Decode(text);
Assert.AreEqual(expected, actual);
}
public void Multigraph_AtbashTest()
{
Atbash atbash = new Atbash(Utility.KeyedEnglishAlphabet("KRYPTOS").ToStringArray());
for (int i = 0; i < 25; i++)
{
generated = atbash.GenerateRandomLetters();
cipher = atbash.Encrypt(generated);
clear = atbash.Decrypt(cipher);
CollectionAssert.AreEqual(generated, clear);
}
}
static void Main(string[] args)
{
Console.WriteLine("Атбаш шифрование");
var atbash = new Atbash();
Console.Write("Введите текст сообщения: ");
var message = Console.ReadLine();
var encryptedMessage = atbash.Encrypt(message);
Console.WriteLine("Зашифрованное сообщение: {0}", encryptedMessage);
var decryptedMessage = atbash.Decrypt(encryptedMessage);
Console.WriteLine("Расшифрованное сообщение: {0}", decryptedMessage);
Console.ReadLine();
}
public void Unigraph_AtbashTest()
{
Atbash atbash = new Atbash(Utility.KeyedEnglishAlphabet("KRYPTOS"));
cipher = "";
clear = "";
generated = "";
for (int i = 0; i < 25; i++)
{
generated = atbash.GenerateRandomString();
cipher = atbash.Encrypt(generated);
clear = atbash.Decrypt(cipher);
Assert.AreEqual(generated, clear);
}
}
public void cipher_test2()
{
Caesar.set_key(5, 123);
Vigenere.set_key("FBI", 123);
Atbash.set_key(123);
Caesar c2 = new Caesar();
Vigenere v2 = new Vigenere();
Atbash a = new Atbash();
string t = "Hi bob";
Assert.IsTrue(t == c2.decrypt(c2.encrypt(t)));
Assert.IsTrue(t == v2.decrypt(v2.encrypt(t)));
Assert.IsTrue(t == a.decrypt(a.encrypt(t)));
t = "Not yet";
Assert.IsTrue(t == c2.decrypt(c2.encrypt(t)));
Assert.IsTrue(t == v2.decrypt(v2.encrypt(t)));
t = "The American Dream is a national ethos of the United States";
Assert.IsTrue(t == c2.decrypt(c2.encrypt(t)));
Assert.IsTrue(t == v2.decrypt(v2.encrypt(t)));
t = "just test it";
Assert.IsTrue(t == c2.decrypt(c2.encrypt(t)));
Assert.IsTrue(t == v2.decrypt(v2.encrypt(t)));
}
public string Encodes_words_using_atbash_cipher(string words)
{
return(Atbash.Encode(words));
}
public void Encodes_words_using_atbash_cipher(string words, string expected)
{
Assert.Equal(expected, Atbash.Encode(words));
}
private ICipher GetCipherObject(bool crack)
{
ICipher cipher;
switch (CipherWindowProperties.Cipher)
{
case CipherWindowProperties.CipherType.ATBASH:
cipher = new Atbash();
break;
case CipherWindowProperties.CipherType.ROT13:
cipher = new Rot13();
break;
case CipherWindowProperties.CipherType.CAESAR:
if (crack)
{
cipher = new Caesar('A');
break;
}
if (textBoxKey1.Text.Length != 1)
{
MessageBox.Show("Key 1 is invalid: length must be 1.", "Invalid Key");
throw new InvalidOperationException();
}
cipher = new Caesar(new string(textBoxKey1.Text[0], 1).ToUpper()[0]);
break;
case CipherWindowProperties.CipherType.AFFINE:
if (crack)
{
cipher = new Affine(1, 1);
break;
}
int a, b;
try
{
a = Convert.ToInt32(textBoxKey1.Text);
}
catch
{
MessageBox.Show("Key 1 is invalid: must be an integer.", "Invalid Key");
throw new InvalidOperationException();
}
try
{
b = Convert.ToInt32(textBoxKey2.Text);
}
catch
{
MessageBox.Show("Key 2 is invalid: must be an integer.", "Invalid Key");
throw new InvalidOperationException();
}
if (Util.ModInverse(a, 26) == -1 || a < 1 || a > 26)
{
MessageBox.Show("Key 1 is invalid: it must be an odd number that is not 13, and between 0 and 26.", "Invalid Key");
throw new InvalidOperationException();
}
if (b < 1 || b > 26)
{
MessageBox.Show("Key 2 is invalid: it must be between 0 and 26.", "Invalid Key");
throw new InvalidOperationException();
}
cipher = new Affine(Convert.ToInt32(textBoxKey1.Text), Convert.ToInt32(textBoxKey2.Text));
break;
default:
return(null);
}
return(cipher);
}
public IActionResult at_encrypt(Atbash at)
{
at.encrypt(Request.Form["plaintext"]);
return(View("Atbash", at));
}
public IActionResult Atbash()
{
Atbash at = new Atbash();
return(View("Atbash", at));
}
