From a79a0360c18df26f34d96521ff72067f9f2666b7 Mon Sep 17 00:00:00 2001
From: Troy Dai <troy.dai@outlook.com>
Date: Fri, 29 Jul 2016 15:06:37 -0700
Subject: [PATCH] Update OpenIdConnectHandler

---
 .../OpenIdConnectHandler.cs                                   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Microsoft.AspNetCore.Authentication.OpenIdConnect/OpenIdConnectHandler.cs b/src/Microsoft.AspNetCore.Authentication.OpenIdConnect/OpenIdConnectHandler.cs
index 80e8c693be..7521ef39e8 100644
--- a/src/Microsoft.AspNetCore.Authentication.OpenIdConnect/OpenIdConnectHandler.cs
+++ b/src/Microsoft.AspNetCore.Authentication.OpenIdConnect/OpenIdConnectHandler.cs
@@ -147,7 +147,7 @@ namespace Microsoft.AspNetCore.Authentication.OpenIdConnect
         }
 
         /// <summary>
-        /// Sign out the Relying Party from the OpenID provider 
+        /// Redirect user to the identity provider for sign out
         /// </summary>
         /// <returns>A task executing the sign out procedure</returns>
         protected override async Task HandleSignOutAsync(SignOutContext context)
@@ -263,7 +263,7 @@ namespace Microsoft.AspNetCore.Authentication.OpenIdConnect
         protected virtual Task<bool> HandleSignOutCallbackAsync()
         {
             StringValues protectedState;
-            if (Request.Query.TryGetValue("State", out protectedState))
+            if (Request.Query.TryGetValue(OpenIdConnectParameterNames.State, out protectedState))
             {
                 var properties = Options.StateDataFormat.Unprotect(protectedState);
                 if (!string.IsNullOrEmpty(properties?.RedirectUri))