From 5554345fa83028e98db894dd01d10c8e4d479250 Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Fri, 14 Nov 2008 16:35:14 +0000
Subject: [PATCH] Provide fallback salt to accommodate custom schemes. Props
 tellyworth. fixes #8212

git-svn-id: https://develop.svn.wordpress.org/trunk@9680 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/pluggable.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/wp-includes/pluggable.php b/wp-includes/pluggable.php
index 8b9cdb0e41..48027a8470 100644
--- a/wp-includes/pluggable.php
+++ b/wp-includes/pluggable.php
@@ -1270,6 +1270,9 @@ function wp_salt($scheme = 'auth') {
 				update_option('logged_in_salt', $salt);
 			}
 		}
+	} else {
+		// ensure each auth scheme has its own unique salt
+		$salt = hash_hmac('md5', $scheme, $secret_key);
 	}
 
 	return apply_filters('salt', $secret_key . $salt, $scheme);