network/nix/key/flake.nix

{
  description = "Zentralwerk network secret GPG key";

  outputs = { ... }: {
    lib.gpgKey = null;
    # test key
    lib.dyndnsKey = "Dr1QHSfNtAwgbdoNBtCgl5NxsSXlaw9+qo7juiVTv58=";
  };
}