private void setDecryptor(int cryptoFlag) { int aux = cryptoFlag & 0xFF; switch (aux) { case 0x01: dec = new NoCrypt(); Debug.WriteLine("MODE: Decryption Algorithm NONE"); break; case 0x02: dec = new AESCBC128Decrypt(); Debug.WriteLine("MODE: Decryption Algorithm AESCBC128"); break; default: throw new Exception("Crypto mode is not valid: Undefined decryptor"); } }