From c1495982ab4e0d4e705eb3f1a751ef5104862df7 Mon Sep 17 00:00:00 2001
From: Dmitry Bakshaev <dab1818@gmail.com>
Date: Sun, 30 Aug 2015 22:14:57 +0400
Subject: [PATCH] cookie authentication: fix cookie_iv length detection with
 mb_string overload

Signed-off-by: Dmitry Bakshaev <dab1818@gmail.com>
Signed-off-by: Marc Delisle <marc@infomarc.info>
---
 libraries/plugins/auth/AuthenticationCookie.class.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/plugins/auth/AuthenticationCookie.class.php b/libraries/plugins/auth/AuthenticationCookie.class.php
index 04b8638ffc..20966fb28b 100644
--- a/libraries/plugins/auth/AuthenticationCookie.class.php
+++ b/libraries/plugins/auth/AuthenticationCookie.class.php
@@ -793,7 +793,7 @@ class AuthenticationCookie extends AuthenticationPlugin
                 true
             );
         }
-        if (strlen($this->_cookie_iv) < $this->getIVSize()) {
+        if (mb_strlen($this->_cookie_iv,'8bit') < $this->getIVSize()) {
                 $this->createIV();
         }