CryptoPassphrase  Diff

            guard let documentDirectory = NSSearchPathForDirectoriesInDomains(
                .documentDirectory, .userDomainMask, true).first
            else {
                print("Could not get key files: No documents directory")
                return
            }

            let keyFilePath = documentDirectory.ofObject.appendingPathComponent(
                keyFile.ofObject)
            generator.keyFile = OFMutableData(contentsOfFile: keyFilePath)
        }

        let passphraseText = (passphraseField?.text ?? "") as NSString
        let passphraseLen =
            passphraseText.lengthOfBytes(using: String.Encoding.utf8.rawValue)
        let passphrase = OFSecureData(count: passphraseLen,