{
  lib,
  config,
  pkgs,
  ...
}:
let
  u = {
    specCon18 = {
      isNormalUser = true;
      name = "specCon18";
      extraGroups = [ "wheel" ];
      uid = 1001;
      openssh.authorizedKeys.keys = [
        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIH96EL/NeIYyO5ePEFTkTHPDqIgWtiZw6RvUnk9CTry3"
      ];
    };
    sky = {
      isNormalUser = true;
      name = "sky";
      extraGroups = [
        "wheel"
      ];
      uid = 1000;
      openssh.authorizedKeys.keys = [
        "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBA9i9HoP7X8Ufzz8rAaP7Nl3UOMZxQHMrsnA5aEQfpTyIQ1qW68jJ4jGK5V6Wv27MMc3czDU1qfFWIbGEWurUHQ="
      ];
    };
  };
in
{
  users.users = {

    root.openssh.authorizedKeys.keys = lib.flatten (
      lib.mapAttrsToList (_: v: v.openssh.authorizedKeys.keys) u
    );

  } // u;
}