Revert "revert 7f3f6dd12f979acfd6c3da163ec980002b4afd61"

This reverts commit 6272ac29f2.

system-environment/config.nix

@@ -7,6 +7,7 @@ in
     imports = [
         ./file-system.nix
         ./media.nix
+        ./security/keyring.nix
     ];
 
     environment.systemPackages = with pkgs; [

system-environment/security/keyring.nix

@@ -0,0 +1,18 @@
+{ pkgs, lib, ... }:
+let
+    profile = import ../profile.nix;
+in
+{
+
+    imports = [ ];
+
+    environment.systemPackages = with pkgs; [
+        seahorse
+    ];
+
+    environment.variables = {
+    };
+
+    services.gnome.gnome-keyring.enable = true;
+    security.pam.services.login.enableGnomeKeyring = true;
+}