From 9ef709e7f7145ca4eece6b08f7d5f6fc937acd07 Mon Sep 17 00:00:00 2001
From: Robert Helmer <rhelmer@rhelmer.org>
Date: Wed, 15 Jan 2014 10:58:50 -0800
Subject: [PATCH] mozilla bug 844796 - use node crypto module for randomString

---
 src/node/utils/randomstring.js | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/node/utils/randomstring.js b/src/node/utils/randomstring.js
index 4c1bba244..4791f2745 100644
--- a/src/node/utils/randomstring.js
+++ b/src/node/utils/randomstring.js
@@ -1,16 +1,13 @@
 /**
  * Generates a random String with the given length. Is needed to generate the Author, Group, readonly, session Ids
  */
+var crypto = require('crypto');
+
 var randomString = function randomString(len)
 {
-  var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
-  var randomstring = '';
-  for (var i = 0; i < len; i++)
-  {
-    var rnum = Math.floor(Math.random() * chars.length);
-    randomstring += chars.substring(rnum, rnum + 1);
-  }
-  return randomstring;
+  crypto.randomBytes(48, function(ex, buf) {
+    return buf.toString('hex');
+  });
 };
 
 module.exports = randomString;