Merge pull request #10 from keyle/master

Fix for crash when passing undefined
pvorb · Apr 2, 2014 · 96f7c25 · 96f7c25
2 parents a9dd92c + 7427044
commit 96f7c25
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/md5.js b/md5.js
@@ -5,6 +5,10 @@
 
   // The core
   md5 = function (message, options) {
+
+    if(typeof message === "undefined") {
+          return;
+    }
     // Convert to byte array
     if (message.constructor == String)
       if (options && options.encoding === 'binary')
@@ -148,6 +152,11 @@
   md5._digestsize = 16;
 
   module.exports = function (message, options) {
+
+    if(typeof message === "undefined") {
+          return;
+    }
+
     var digestbytes = crypt.wordsToBytes(md5(message, options));
     return options && options.asBytes ? digestbytes :
         options && options.asString ? bin.bytesToString(digestbytes) :