CryptoPassphrase  Diff

            navigationController?.popViewController(animated: true)
            return
        }

        httpServerThread.start()
    }

    deinit {
    override func viewDidDisappear(_ animated: Bool) {
        httpServerThread.runLoop.stop()
        httpServerThread.join()
    }

    override func tableView(_ tableView: UITableView,
                            numberOfRowsInSection section: Int) -> Int {
        return keyFiles.count + 1