adding a comment

harshgMSFT · harshgMSFT · commit c1431534c0ac · 2014-04-21T18:48:27.000-07:00
diff --git a/src/Microsoft.AspNet.Mvc.Core/AntiForgery/BinaryBlob.cs b/src/Microsoft.AspNet.Mvc.Core/AntiForgery/BinaryBlob.cs
@@ -95,6 +95,8 @@ private static byte[] GenerateNewToken(int bitLength)
             return data;
         }
 
+        // Need to mark it with NoInlining and NoOptimization attributes to ensure that the 
+        // operation runs in constant time.
         [MethodImplAttribute(MethodImplOptions.NoInlining | MethodImplOptions.NoOptimization)] 
         private static bool AreByteArraysEqual(byte[] a, byte[] b)
         {

Original file line number	Diff line number	Diff line change
`@@ -95,6 +95,8 @@ private static byte[] GenerateNewToken(int bitLength)`
`95`	`95`	`return data;`
`96`	`96`	`}`
`97`	`97`
	`98`	`+ // Need to mark it with NoInlining and NoOptimization attributes to ensure that the`
	`99`	`+ // operation runs in constant time.`
`98`	`100`	`[MethodImplAttribute(MethodImplOptions.NoInlining \| MethodImplOptions.NoOptimization)]`
`99`	`101`	`private static bool AreByteArraysEqual(byte[] a, byte[] b)`
`100`	`102`	`{`