From 586a6202a2eb46ee1b76ca1c3190f2559d858380 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Tue, 4 Aug 2015 15:50:36 +0900
Subject: [PATCH] Fix for pull request #146

---
 websocket-sharp/WebSocket.cs      | 4 ++--
 websocket-sharp/WebSocketFrame.cs | 3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/websocket-sharp/WebSocket.cs b/websocket-sharp/WebSocket.cs
index 237b06b9..49ef30af 100644
--- a/websocket-sharp/WebSocket.cs
+++ b/websocket-sharp/WebSocket.cs
@@ -115,6 +115,7 @@ namespace WebSocketSharp
     #region Internal Fields
 
     internal const int FragmentLength = 1016; // Max value is Int32.MaxValue - 14.
+    internal static readonly RandomNumberGenerator RandomNumber = new RNGCryptoServiceProvider ();
 
     #endregion
 
@@ -1627,8 +1628,7 @@ namespace WebSocketSharp
     internal static string CreateBase64Key ()
     {
       var src = new byte[16];
-      var rand = new Random ();
-      rand.NextBytes (src);
+      RandomNumber.GetBytes (src);
 
       return Convert.ToBase64String (src);
     }
diff --git a/websocket-sharp/WebSocketFrame.cs b/websocket-sharp/WebSocketFrame.cs
index 4142fab8..427bb597 100644
--- a/websocket-sharp/WebSocketFrame.cs
+++ b/websocket-sharp/WebSocketFrame.cs
@@ -277,8 +277,7 @@ namespace WebSocketSharp
     private static byte[] createMaskingKey ()
     {
       var key = new byte[4];
-      var rand = new Random ();
-      rand.NextBytes (key);
+      WebSocket.RandomNumber.GetBytes (key);
 
       return key;
     }