std::string WifiNetwork::GetEncryptionString() {
  switch (encryption_) {
    case SECURITY_UNKNOWN:
      break;
    case SECURITY_NONE:
      return "";
    case SECURITY_WEP:
      return "WEP";
    case SECURITY_WPA:
      return "WPA";
    case SECURITY_RSN:
      return "RSN";
    case SECURITY_8021X:
      return "8021X";
  }
  return "Unknown";
}
