diff --git a/modules/common/sshkeys.nix b/modules/common/sshkeys.nix
new file mode 100644
index 000000000..5f1c60668
--- /dev/null
+++ b/modules/common/sshkeys.nix
@@ -0,0 +1,26 @@
+{ lib, ... }:
+
+with lib;
+
+{
+  options = {
+    sshKeys = mkOption {
+      type = types.attrsOf (types.submodule (
+      { config, ... }:
+      {
+        options = {
+          pub = mkOption {
+            type = types.str;
+            description = "Public part of the ssh key.";
+          };
+
+          priv = mkOption {
+            type = types.str;
+            description = "Private part of the ssh key.";
+          };
+        };
+      }));
+      description = "collection of ssh-keys";
+    };
+  };
+}
diff --git a/modules/lass/sshkeys.nix b/modules/lass/sshkeys.nix
new file mode 100644
index 000000000..24c056644
--- /dev/null
+++ b/modules/lass/sshkeys.nix
@@ -0,0 +1,9 @@
+{ config, ... }:
+
+{
+  imports = [
+    ../common/sshkeys.nix
+  ];
+
+  config.sshKeys.lass.pub = "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAp83zynhIueJJsWlSEykVSBrrgBFKq38+vT8bRfa+csqyjZBl2SQFuCPo+Qbh49mwchpZRshBa9jQEIGqmXxv/PYdfBFQuOFgyUq9ZcTZUXqeynicg/SyOYFW86iiqYralIAkuGPfQ4howLPVyjTZtWeEeeEttom6p6LMY5Aumjz2em0FG0n9rRFY2fBzrdYAgk9C0N6ojCs/Gzknk9SGntA96MDqHJ1HXWFMfmwOLCnxtE5TY30MqSmkrJb7Fsejwjoqoe9Y/mCaR0LpG2cStC1+37GbHJNH0caCMaQCX8qdfgMVbWTVeFWtV6aWOaRgwLrPDYn4cHWQJqTfhtPrNQ== lass@mors";
+}
diff --git a/modules/uriel/default.nix b/modules/uriel/default.nix
index dce60ee66..2fa4bd59e 100644
--- a/modules/uriel/default.nix
+++ b/modules/uriel/default.nix
@@ -78,7 +78,7 @@
     root = {
       hashedPassword = "$6$78Zog6OCAQn6tFCO$jpOPksguWEsOPz7u1r6kVApD0Zb2SqjFV8Gn1JCZevcMtBI.jm0CcojXvW.v23xWDt4wZE4KcxFSNWNU.E9ef.";
       openssh.authorizedKeys.keys = [
-        "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAp83zynhIueJJsWlSEykVSBrrgBFKq38+vT8bRfa+csqyjZBl2SQFuCPo+Qbh49mwchpZRshBa9jQEIGqmXxv/PYdfBFQuOFgyUq9ZcTZUXqeynicg/SyOYFW86iiqYralIAkuGPfQ4howLPVyjTZtWeEeeEttom6p6LMY5Aumjz2em0FG0n9rRFY2fBzrdYAgk9C0N6ojCs/Gzknk9SGntA96MDqHJ1HXWFMfmwOLCnxtE5TY30MqSmkrJb7Fsejwjoqoe9Y/mCaR0LpG2cStC1+37GbHJNH0caCMaQCX8qdfgMVbWTVeFWtV6aWOaRgwLrPDYn4cHWQJqTfhtPrNQ== lass@mors"
+        config.sshKeys.lass.pub
       ];
     };
     mainUser = {
@@ -94,7 +94,7 @@
       extraGroups = [ "wheel" "audio" ];
       hashedPassword = "$6$78Zog6OCAQn6tFCO$jpOPksguWEsOPz7u1r6kVApD0Zb2SqjFV8Gn1JCZevcMtBI.jm0CcojXvW.v23xWDt4wZE4KcxFSNWNU.E9ef.";
       openssh.authorizedKeys.keys = [
-        "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAp83zynhIueJJsWlSEykVSBrrgBFKq38+vT8bRfa+csqyjZBl2SQFuCPo+Qbh49mwchpZRshBa9jQEIGqmXxv/PYdfBFQuOFgyUq9ZcTZUXqeynicg/SyOYFW86iiqYralIAkuGPfQ4howLPVyjTZtWeEeeEttom6p6LMY5Aumjz2em0FG0n9rRFY2fBzrdYAgk9C0N6ojCs/Gzknk9SGntA96MDqHJ1HXWFMfmwOLCnxtE5TY30MqSmkrJb7Fsejwjoqoe9Y/mCaR0LpG2cStC1+37GbHJNH0caCMaQCX8qdfgMVbWTVeFWtV6aWOaRgwLrPDYn4cHWQJqTfhtPrNQ== lass@mors"
+        config.sshKeys.lass.pub
       ];
     };
   };