diff --git a/flake.lock b/flake.lock
index a5cc1ed..e37d9cc 100644
--- a/flake.lock
+++ b/flake.lock
@@ -96,11 +96,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1778705491,
-        "narHash": "sha256-LOZbixhLsv2QbUbqH+I06eRMAI7FBDDkGoMWH523OkE=",
+        "lastModified": 1778847459,
+        "narHash": "sha256-mjbWJJV8PSEIVPBAS4yWfv63SRgsyfUWwLoo87QLMJE=",
         "ref": "refs/heads/main",
-        "rev": "b6fb4221bd5f54bc427de84230e0c95952399c21",
-        "revCount": 25,
+        "rev": "2b69bc6fdd8fe56bf42a62f955b829bb6b83bbf2",
+        "revCount": 29,
         "type": "git",
         "url": "https://github.com/futureware-tech/nix.git"
       },
diff --git a/flake.nix b/flake.nix
index 70a5bf4..abb54c1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -39,13 +39,6 @@
       ...
     }@inputs:
     let
-      trustedSSHKeys = [
-        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBxRBsFGa8OFbviYDGSAKLgfm/K2XUxvCo+31FW37yab artem"
-        "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIPAtIXXHm58julnr7S0xzBTM1jN5JkKxOL4JpuWDOa2jAAAABHNzaDo= office-dock-usb-a"
-        "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIHY1xx0huqV6Mcc2WngYDabITeNUbGamJ8//206MxxVTAAAABHNzaDo= keychain-usb-c"
-        "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIHzY2eOz+JdaKOpIgZbF5FsZzQy0l8vPJjAQdTpBFGsoAAAABHNzaDo= safe"
-        "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBJg7zQ4H0LQeQcILZBwCzQ+MYKtCgKm7HPe9oFeoyprKZXAvpm+HDHtaYdU39JF9f+nvRztzXuMhgETAQMAQCkc= fingerprint@macbook"
-      ];
       eachSystem = nixpkgs.lib.genAttrs (import systems);
     in
     {
@@ -74,6 +67,7 @@
         pkgs = nixpkgs.legacyPackages.x86_64-linux;
         extraSpecialArgs.primaryUser = "artem";
         modules = [
+          inputs.fw_nix.nixosModules.identities
           vscode-server.homeModules.default
           self.homeModules.linux-headless
           ./hosts/deimos/home.nix
@@ -84,9 +78,9 @@
         pkgs = nixpkgs.legacyPackages.x86_64-darwin;
         extraSpecialArgs = {
           primaryUser = "artem";
-          inherit trustedSSHKeys;
         };
         modules = [
+          inputs.fw_nix.nixosModules.identities
           self.homeModules.mac-portable
           ./hosts/mars/home.nix
         ];
@@ -96,6 +90,7 @@
         system = "x86_64-darwin";
         specialArgs.primaryUser = "artem";
         modules = [
+          inputs.fw_nix.nixosModules.identities
           self.darwinModules.mac-portable
           inputs.fw_nix.nixosModules.tools
           inputs.fw_nix.nixosModules.nix-settings
@@ -112,10 +107,11 @@
         nixpkgs.lib.nixosSystem {
           inherit system;
           specialArgs = {
-            inherit trustedSSHKeys;
+            primaryUser = "artem";
             inherit (inputs) jail-nix;
           };
           modules = [
+            inputs.fw_nix.nixosModules.identities
             self.nixosModules.linux-headless
             self.nixosModules.linux-lxc
             inputs.fw_nix.nixosModules.nix-gc
diff --git a/hosts/deimos/nixos.nix b/hosts/deimos/nixos.nix
index ac80e53..7ff6194 100644
--- a/hosts/deimos/nixos.nix
+++ b/hosts/deimos/nixos.nix
@@ -1,6 +1,7 @@
 {
   pkgs,
-  trustedSSHKeys,
+  identities,
+  primaryUser,
   jail-nix,
   ...
 }:
@@ -8,14 +9,14 @@ let
   jail = jail-nix.lib.init pkgs;
 in
 {
-  users.users.artem = {
+  users.users.${primaryUser} = {
     uid = 1000;
     isNormalUser = true;
     extraGroups = [
       "wheel"
       "docker"
     ];
-    openssh.authorizedKeys.keys = trustedSSHKeys;
+    openssh.authorizedKeys.keys = identities.getAccessKeys primaryUser;
     shell = pkgs.zsh;
     linger = true; # Keep sshfs mounted even on logout.
   };
diff --git a/hosts/mars/home.nix b/hosts/mars/home.nix
index 16fe530..bcdb73c 100644
--- a/hosts/mars/home.nix
+++ b/hosts/mars/home.nix
@@ -2,7 +2,8 @@
   pkgs,
   lib,
   config,
-  trustedSSHKeys,
+  identities,
+  primaryUser,
   ...
 }:
 {
@@ -19,7 +20,7 @@
 
   home.activation.setupAuthorizedKeys = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
     run install -m 0600 -D \
-      ${pkgs.writeText "keys" (builtins.concatStringsSep "\n" trustedSSHKeys)} \
+      ${pkgs.writeText "keys" (builtins.concatStringsSep "\n" (identities.getAccessKeys primaryUser))} \
       ${config.home.homeDirectory}/.ssh/ephemeral_sshd/authorized_keys
   '';