fix ykfde if file exists

hosts/home-assistant.cloonar.com/configuration.nix

@@ -26,6 +26,10 @@
 
   networking.hostName = "home-assistant";
 
+  nixpkgs.config.permittedInsecurePackages = [
+    "openssl-1.1.1w"
+  ];
+
   services.openssh.enable = true;
   users.users.root.openssh.authorizedKeys.keys = [
     "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDN/2SAFm50kraB1fepAizox/QRXxB7WbqVbH+5OPalDT47VIJGNKOKhixQoqhABHxEoLxdf/C83wxlCVlPV9poLfDgVkA3Lyt5r3tSFQ6QjjOJAgchWamMsxxyGBedhKvhiEzcr/Lxytnoz3kjDG8fqQJwEpdqMmJoMUfyL2Rqp16u+FQ7d5aJtwO8EUqovhMaNO7rggjPpV/uMOg+tBxxmscliN7DLuP4EMTA/FwXVzcFNbOx3K9BdpMRAaSJt4SWcJO2cS2KHA5n/H+PQI7nz5KN3Yr/upJN5fROhi/SHvK39QOx12Pv7FCuWlc+oR68vLaoCKYhnkl3DnCfc7A7"

hosts/nb-01.cloonar.com/configuration.nix

@@ -119,6 +119,7 @@
     wineWowPackages.fonts
     winetricks
     git-filter-repo
+    ykfde-enroll
   ];
 
   environment.variables = {

utils/pkgs/ykfde/scripts/ykfde_enroll

@@ -26,6 +26,10 @@ if [ "$YKFDE_SLOT_CHECK" != 1 ]; then
 fi
 
 YKFDE_SALT="$(dd if=/dev/random bs=1 count=$YKFDE_SALT_LENGTH 2>/dev/null | rbtohex)"
+if [ -f "$YKFDE_STORAGE" ]; then
+    YKFDE_SALT="$(head -1 $YKFDE_STORAGE)"
+    echo "$FILE exists."
+fi
 YKFDE_CHALLENGE="$(echo -n $YKFDE_SALT | openssl dgst -binary -sha512 | rbtohex)"
 YKFDE_RESPONSE="$(ykchalresp -2 -x $YKFDE_CHALLENGE 2>/dev/null)"
 YKFDE_K_LUKS="$(echo | pbkdf2-sha512 $(($YKFDE_KEY_LENGTH / 8)) $YKFDE_ITERATIONS $YKFDE_RESPONSE | rbtohex)"