From d52f21751232cf3695d8c0e7557b2c35d8a16ae5 Mon Sep 17 00:00:00 2001
From: terrafrost <terrafrost@php.net>
Date: Fri, 26 Jul 2013 15:40:16 -0500
Subject: [PATCH] X509: change return value for validateSignature when cert
 isn't loaded

---
 phpseclib/File/X509.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/phpseclib/File/X509.php b/phpseclib/File/X509.php
index 837fe319..81f41d79 100644
--- a/phpseclib/File/X509.php
+++ b/phpseclib/File/X509.php
@@ -2002,7 +2002,7 @@ class File_X509 {
     function validateSignature($caonly = true)
     {
         if (!is_array($this->currentCert) || !isset($this->signatureSubject)) {
-            return 0;
+            return NULL;
         }
 
         /* TODO: