{ config, pkgs, lib, ... }: { services.udev.packages = [ pkgs.yubikey-personalization ]; environment.systemPackages = with pkgs; [ fprintd yubioath-flutter yubikey-manager pam_u2f ]; services.pcscd.enable = true; programs.gnupg.agent = { enable = true; }; services.fprintd.enable = true; security.pam.services.sudo.fprintAuth = true; security.pam.services.login.fprintAuth = lib.mkForce true; security.polkit.enable = true; }