static void DecryptString()
{
byte[] key, iv;
getEnryptData(out key, out iv);
Console.WriteLine("String to Decrypt? (In base64)");
string enctext = Console.ReadLine();
string plaintext = FileCrypto.decryptString(enctext, Convert.ToBase64String(key), Convert.ToBase64String(iv));
Console.WriteLine("Plaintext: ");
Console.WriteLine(plaintext);
}
