diff --git a/functions/luks.sh b/functions/luks.sh
new file mode 100644
index 0000000..25bf0bf
--- /dev/null
+++ b/functions/luks.sh
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+if [ "$EUID" -ne 0 ]; then
+    echo "Please run as root"
+    exit 1
+fi
+
+
+while getopts ":c :o" opt; do
+
+    case $opt in
+      c)
+        sudo umount /mnt/Files && sudo cryptsetup luksClose Files
+        ;;
+      o)
+        sudo cryptsetup luksOpen /dev/sdb5 Files && sudo mount /dev/mapper/Files /mnt/Files
+        ;;
+      \?)
+        echo "Invalid option: -$OPTARG" >&2
+        ;;
+    esac
+
+done
\ No newline at end of file