diff --git a/cortex.json b/cortex.json
new file mode 100644
index 0000000..a2600ab
--- /dev/null
+++ b/cortex.json
@@ -0,0 +1,40 @@
+{
+  "name": "blueimp-md5",
+  "version": "1.1.0",
+  "title": "JavaScript MD5",
+  "description": "JavaScript MD5 implementation.",
+  "keywords": [
+    "javascript",
+    "md5"
+  ],
+  "homepage": "https://github.com/blueimp/JavaScript-MD5",
+  "author": {
+    "name": "Sebastian Tschan",
+    "url": "https://blueimp.net"
+  },
+  "maintainers": [
+    {
+      "name": "Sebastian Tschan",
+      "url": "https://blueimp.net"
+    }
+  ],
+  "contributors": [
+    {
+      "name": "Paul Johnston",
+      "url": "http://pajhome.org.uk/crypt/md5"
+    }
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/blueimp/JavaScript-MD5.git"
+  },
+  "bugs": "https://github.com/blueimp/JavaScript-MD5/issues",
+  "licenses": [
+    {
+      "type": "MIT",
+      "url": "http://www.opensource.org/licenses/MIT"
+    }
+  ],
+
+  "main": "js/md5.js"
+}
diff --git a/js/md5.js b/js/md5.js
index f92ba37..c05b970 100644
--- a/js/md5.js
+++ b/js/md5.js
@@ -264,7 +264,10 @@
         return raw_hmac_md5(key, string);
     }
 
-    if (typeof define === 'function' && define.amd) {
+    if (typeof module != 'undefined' && module.exports){
+      module.exports = md5;
+    }
+    else if (typeof define === 'function' && define.amd) {
         define(function () {
             return md5;
         });