public static string Decrypt(string text)
{
var key3 = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
var key2 = new byte[] { 0x02, 0x03, 0x15, 0x11, 0x13, 0x03, 0x04, 0x06 };
var key1 = new byte[] { 0x22, 0x11, 0x12, 0x13, 0x14, 0x9, 0x08, 0x07 };
var iv = new byte[] { 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8 };
var bytes = Encoding.Default.GetBytes(text);
var data = Des.Decrypt(bytes, key1, iv);
data = Des.Decrypt(data, key2, iv);
data = Des.Decrypt(data, key3, iv);
return(Encoding.Default.GetString(data));
}
private static void Main()
{
Console.WriteLine("Enter crypted text");
var str = Console.ReadLine();
Console.WriteLine("DES");
var crypted = Des.Crypt(str);
Console.WriteLine("crypted = " + crypted);
var decrypted = Des.Decrypt(crypted);
Console.WriteLine("decrypted = " + decrypted);
Console.WriteLine("Triple DES");
crypted = TripleDes.Crypt(str);
Console.WriteLine("crypted = " + crypted);
decrypted = TripleDes.Decrypt(crypted);
Console.WriteLine("decrypted = " + decrypted);
Console.ReadLine();
}