diff --git a/Security b/Security
new file mode 100644
index 00000000..9f69c410
--- /dev/null
+++ b/Security
@@ -0,0 +1,3 @@
+string openssl_encrypt( string $data, string $method, string $key,
+                        $options = 0, string $iv, string $tag= NULL,
+                        string $aad, int $tag_length = 16  )