🚚 [shared] Added shared config that shared desktop config inherits from

shared/desktop/modules/security/ssh.nix

@@ -0,0 +1,25 @@
+# /nix/store/<hash>/etc/ssh/ssh_config & /nix/store/<hash>/etc/ssh/authorized_keys
+{
+  systemConfig,
+  systems,
+  common,
+  ...
+}:
+with builtins;
+let
+  domain = "dns.${common.domain}";
+in
+{
+  programs.ssh.knownHosts = listToAttrs (
+    map (system: {
+      name = system.hostName;
+      value = {
+        extraHostNames = [ "${system.hostName}.${domain}" ];
+        publicKey = system.ssh.publicKey;
+      };
+    }) systems
+  );
+  users.users.${systemConfig.username}.openssh.authorizedKeys.keys = (
+    map (system: system.ssh.publicKey) systems
+  );
+}