How to use

getParam

method

in

net.sergeych.farcall.Command

private Object decryptBlock(Command command) throws EncryptionError {
  try {
    synchronized (remoteSessionKey) {
      Bytes ciphertext = command.getParam(0);
      if (ciphertext == null) {
        throw new IllegalStateException("missing block data");
      }
      Binder plain = Boss.unpack(remoteSessionKey.etaDecrypt(ciphertext.toArray()));
      inputQueue.put(plain);
    }
  } catch (SymmetricKey.AuthenticationFailed authenticationFailed) {
    throw new EncryptionError("authentication failed on bitrusted block");
  } catch (InterruptedException e) {
    Thread.interrupted();
  } catch (Exception e) {
    log.wtf("failed to process block", e);
    e.printStackTrace();
  }
  return null;
}