diff --git a/copy_local_keys.py b/copy_local_keys.py
new file mode 100644
index 0000000..42ebb48
--- /dev/null
+++ b/copy_local_keys.py
@@ -0,0 +1,21 @@
+import os
+
+
+def mod_time(path):
+    return os.stat(path).st_mtime
+
+
+def find_newest_cert(root_dir, hostname):
+    look_for = {
+        "{}.key.pem".format(hostname): None,
+        "{}.chain.pem".format(hostname): None,
+    }
+    for root, _, files in os.walk(root_dir):
+        for file in files:
+            if file in look_for.keys():
+                fullpath = os.path.join(root, file)
+                if look_for[file] is None:
+                    look_for[file] = fullpath
+                elif mod_time(fullpath) > mod_time(look_for[file]):
+                    look_for[file] = fullpath
+    return look_for