From 6b81995dd5c739baad3772eb2717cd86be7cba11 Mon Sep 17 00:00:00 2001
From: Tankred Hase <tankred@whiteout.io>
Date: Tue, 25 Feb 2014 00:05:43 +0100
Subject: [PATCH] remove aes args from global scope

---
 src/crypto/cipher/aes.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/crypto/cipher/aes.js b/src/crypto/cipher/aes.js
index 2a13e946..3892aa08 100644
--- a/src/crypto/cipher/aes.js
+++ b/src/crypto/cipher/aes.js
@@ -442,9 +442,11 @@ function keyExpansion(key) {
       }
     }
   }
-  this.rounds = rounds;
-  this.rk = keySched;
-  return this;
+
+  return {
+    rounds: rounds,
+    rk: keySched
+  };
 }
 
 function AESencrypt(block, ctx) {