Simple Luna Encryption

public ByteString encrypt(ByteString input){
  System.out.println("Encrypting...");
  try {
    Object lunaSlotManager = Class.forName("com.safenetinc.luna.LunaSlotManager").getDeclaredMethod("getInstance").invoke(null);
    lunaSlotManager.getClass().getMethod("login", String.class, String.class).invoke(lunaSlotManager, PARITION_NAME, PARITION_PASSWORD);

    Provider provider = (Provider) Class.forName("com.safenetinc.luna.provider.LunaProvider").newInstance();
    Security.addProvider(provider);
    Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding", provider);

    KeyStore keyStore = KeyStore.getInstance("Luna", provider);
    keyStore.load(null, null);

    KeyGenerator aesKeyGenerator = KeyGenerator.getInstance("AES", provider);
    aesKeyGenerator.init(128);
    SecretKey aesKey = aesKeyGenerator.generateKey();
    keyStore.setKeyEntry(KEY_NAME, aesKey, null, null);
    Key key = keyStore.getKey(KEY_NAME, null);

    byte[] nonce = new byte[NONCE_SIZE];
    SecureRandom.getInstance("SHA1PRNG").nextBytes(nonce);

    AlgorithmParameterSpec parameterSpec = new IvParameterSpec(nonce);

    cipher.init(Cipher.ENCRYPT_MODE, key, parameterSpec);

    byte[] output = cipher.doFinal(input.toByteArray());
    return ByteString.copyFrom(output);
  } catch (Exception e) {
    e.printStackTrace();
  }
  return input;
}