string DecryptRailFence(string input, int key)
{
RailFenceCipher cipher = new RailFenceCipher();
return(cipher.Decrypt(input, key));
}
static void Main(string[] args)
{
Console.WriteLine("Choose alghorithm\n" +
"1. RailFence\n" +
"2. Transposition A\n" +
"3. Transposition B\n" +
"4. Transposition C\n" +
"5. Caesar\n" +
"6. Vigenere\n" +
"7. Exit\n");
Console.WriteLine("Choose: ");
int option = ReadInt();
string wordToEncrypt = "";
string encryptedWord = "";
string decryptedWord = "";
Console.WriteLine("Enter your word: ");
wordToEncrypt = Console.ReadLine();
ICipher cs = new RailFenceCipher(0);
switch (option)
{
case 1:
// RailFence
{
Console.WriteLine("Give key [Integer]: ");
int key = ReadInt();
cs = new RailFenceCipher(key);
Console.WriteLine("Using RailFence Cipher");
Console.WriteLine("\nWord given: " + wordToEncrypt);
encryptedWord = cs.Encrypt(wordToEncrypt);
Console.WriteLine("Encrypted word: " + encryptedWord);
Console.WriteLine("Give word to decrypt: ");
wordToEncrypt = Console.ReadLine();
Console.WriteLine("Give key [Integer]: ");
key = ReadInt();
cs = new RailFenceCipher(key);
decryptedWord = cs.Decrypt(wordToEncrypt);
Console.WriteLine("Decrypted word: " + decryptedWord);
}
break;
case 2:
// Transposition A
{
cs = new TranspositionCipherA();
Console.WriteLine("Using Transposition A Cipher");
Console.WriteLine("\nWord given: " + wordToEncrypt);
encryptedWord = cs.Encrypt(wordToEncrypt);
Console.WriteLine("Encrypted word: " + encryptedWord);
Console.WriteLine("Give word to decrypt: ");
wordToEncrypt = Console.ReadLine();
decryptedWord = cs.Decrypt(wordToEncrypt);
Console.WriteLine("Decrypted word: " + decryptedWord);
}
break;
case 3:
// Transposition B
{
Console.WriteLine("Give key [String, Letters only]: ");
string key = Console.ReadLine();
cs = new TranspositionCipherB(key);
Console.WriteLine("Using Transposition B Cipher");
Console.WriteLine("\nWord given: " + wordToEncrypt);
encryptedWord = cs.Encrypt(wordToEncrypt);
Console.WriteLine("Encrypted word: " + encryptedWord);
Console.WriteLine("Give word to decrypt: ");
wordToEncrypt = Console.ReadLine();
Console.WriteLine("Give key [String, Letters only]: ");
key = Console.ReadLine();
cs = new TranspositionCipherB(key);
decryptedWord = cs.Decrypt(wordToEncrypt);
Console.WriteLine("Decrypted word: " + decryptedWord);
}
break;
case 4:
// Transposition C
{
Console.WriteLine("Give key [String, Letters only]: ");
string key = Console.ReadLine();
cs = new TranspositionCipherC(key);
Console.WriteLine("Using Transposition C Cipher");
Console.WriteLine("\nWord given: " + wordToEncrypt);
encryptedWord = cs.Encrypt(wordToEncrypt);
Console.WriteLine("Encrypted word: " + encryptedWord);
Console.WriteLine("Give word to decrypt: ");
wordToEncrypt = Console.ReadLine();
Console.WriteLine("Give key [String, Letters only]: ");
key = Console.ReadLine();
cs = new TranspositionCipherC(key);
decryptedWord = cs.Decrypt(wordToEncrypt);
Console.WriteLine("Decrypted word: " + decryptedWord);
}
break;
case 5:
// Caesar
{
Console.WriteLine("Give key 1 [Integer]: ");
int key0 = ReadInt();
Console.WriteLine("Give key 2 [Integer]: ");
int key1 = ReadInt();
cs = new CaesarCipher(key0, key1);
Console.WriteLine("Using Caesar Cipher");
Console.WriteLine("\nWord given: " + wordToEncrypt);
encryptedWord = cs.Encrypt(wordToEncrypt);
Console.WriteLine("Encrypted word: " + encryptedWord);
Console.WriteLine("Give word to decrypt: ");
wordToEncrypt = Console.ReadLine();
Console.WriteLine("Give key 1 [Integer]: ");
key0 = ReadInt();
Console.WriteLine("Give key 2 [Integer]: ");
key1 = ReadInt();
cs = new CaesarCipher(key0, key1);
decryptedWord = cs.Decrypt(wordToEncrypt);
Console.WriteLine("Decrypted word: " + decryptedWord);
}
break;
case 6:
// Vigenere
{
Console.WriteLine("Give key [String, Letters only]: ");
string key = Console.ReadLine();
cs = new VigenereCipher(key);
Console.WriteLine("Using Vigenere Cipher");
Console.WriteLine("\nWord given: " + wordToEncrypt);
encryptedWord = cs.Encrypt(wordToEncrypt);
Console.WriteLine("Encrypted word: " + encryptedWord);
Console.WriteLine("Give word to decrypt: ");
wordToEncrypt = Console.ReadLine();
Console.WriteLine("Give key [String, Letters only]: ");
key = Console.ReadLine();
cs = new VigenereCipher(key);
decryptedWord = cs.Decrypt(wordToEncrypt);
Console.WriteLine("Decrypted word: " + decryptedWord);
}
break;
case 7:
Console.WriteLine("Bye!");
Console.ReadKey();
return;
default:
Console.WriteLine("Wrong input!");
Console.ReadKey();
return;
}
Console.ReadKey();
return;
}
