configuration.nix

  nix.nixPath = [ "nixpkgs=/etc/nixpkgs" "nixos-config=/etc/nixos/configuration.nix" ];

services.udev.extraRules = ''
    SUBSYSTEM!="usb", GOTO="gnupg_rules_end"
    ACTION!="add", GOTO="gnupg_rules_end"

    # USB SmartCard Readers
    ## Crypto Stick 1.2
    ATTR{idVendor}=="20a0", ATTR{idProduct}=="4107", ENV{ID_SMARTCARD_READER}="1", ENV{ID_SMARTCARD_READER_DRIVER}="gnupg", GROUP+="plugdev", TAG+="uaccess"
    ## Nitrokey Pro
    ATTR{idVendor}=="20a0", ATTR{idProduct}=="4108", ENV{ID_SMARTCARD_READER}="1", ENV{ID_SMARTCARD_READER_DRIVER}="gnupg", GROUP+="plugdev", TAG+="uaccess"
    ## Nitrokey Storage
    ATTR{idVendor}=="20a0", ATTR{idProduct}=="4109", ENV{ID_SMARTCARD_READER}="1", ENV{ID_SMARTCARD_READER_DRIVER}="gnupg", GROUP+="plugdev", TAG+="uaccess"
    ## Nitrokey Light
    ATTR{idVendor}=="20a0", ATTR{idProduct}=="4211", ENV{ID_SMARTCARD_READER}="1", ENV{ID_SMARTCARD_READER_DRIVER}="gnupg", GROUP+="plugdev", TAG+="uaccess"

    LABEL="gnupg_rules_end"

    # Nitrokey U2F
    ACTION!="add|change", GOTO="u2f_end"
    KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="2581", ATTRS{idProduct}=="f1d0", GROUP+="plugdev", TAG+="uaccess"
    LABEL="u2f_end"

    # Nitrokey Storage dev Entry
    KERNEL=="sd?1", ATTRS{idVendor}=="20a0", ATTRS{idProduct}=="4109", SYMLINK+="nitrospace"
  '';

  services.pcscd.enable = true;