{ user, lib, pkgs, ... }: { environment.variables = { TPM2_PKCS11_TCTI = lib.mkDefault "tabrmd:"; }; security.tpm2 = { enable = true; pkcs11.enable = true; tctiEnvironment.enable = true; }; users.users.${user}.extraGroups = [ "tss" ]; # secure boot configuration environment.systemPackages = with pkgs; [ sbctl ]; }