Index: typo3/sysext/openid/lib/php-openid/Auth/Yadis/Yadis.php
===================================================================
--- typo3/sysext/openid/lib/php-openid/Auth/Yadis/Yadis.php	(revision 17369)
+++ typo3/sysext/openid/lib/php-openid/Auth/Yadis/Yadis.php	(working copy)
@@ -141,7 +141,7 @@
     }
 
     $yadis_result = call_user_func_array($discover_func,
-                                         array($input_url, $fetcher));
+                                         array($input_url, &$fetcher));
 
     if ($yadis_result === null) {
         return array($input_url, array());
Index: typo3/sysext/openid/lib/php-openid/Auth/Yadis/Manager.php
===================================================================
--- typo3/sysext/openid/lib/php-openid/Auth/Yadis/Manager.php	(revision 17369)
+++ typo3/sysext/openid/lib/php-openid/Auth/Yadis/Manager.php	(working copy)
@@ -413,7 +413,7 @@
 
             list($yadis_url, $services) = call_user_func($discover_cb,
                                                          $this->url,
-                                                         $fetcher);
+                                                         &$fetcher);
 
             $manager = $this->createManager($services, $yadis_url);
         }
Index: typo3/sysext/openid/lib/php-openid/Auth/Yadis/XRDS.php
===================================================================
--- typo3/sysext/openid/lib/php-openid/Auth/Yadis/XRDS.php	(revision 17369)
+++ typo3/sysext/openid/lib/php-openid/Auth/Yadis/XRDS.php	(working copy)
@@ -428,7 +428,8 @@
                 $matches = 0;
 
                 foreach ($filters as $filter) {
-                    if (call_user_func_array($filter, array($service))) {
+
+                    if (call_user_func_array($filter, array(&$service))) {
                         $matches++;
 
                         if ($filter_mode == SERVICES_YADIS_MATCH_ANY) {
Index: typo3/sysext/openid/lib/php-openid/Auth/OpenID/Consumer.php
===================================================================
--- typo3/sysext/openid/lib/php-openid/Auth/OpenID/Consumer.php	(revision 17369)
+++ typo3/sysext/openid/lib/php-openid/Auth/OpenID/Consumer.php	(working copy)
@@ -666,7 +666,7 @@
                                         '_completeInvalid');
 
         return call_user_func_array(array(&$this, $method),
-                                    array($message, $endpoint, $return_to));
+									array($message, &$endpoint, $return_to));
     }
 
     /**
@@ -1181,7 +1181,7 @@
         // oidutil.log('Performing discovery on %s' % (claimed_id,))
         list($unused, $services) = call_user_func($this->discoverMethod,
                                                   $claimed_id,
-                                                  $this->fetcher);
+												&$this->fetcher);
 
         if (!$services) {
             return new Auth_OpenID_FailureResponse(null,
Index: typo3/sysext/openid/lib/php-openid/Auth/OpenID/Server.php
===================================================================
--- typo3/sysext/openid/lib/php-openid/Auth/OpenID/Server.php	(revision 17369)
+++ typo3/sysext/openid/lib/php-openid/Auth/OpenID/Server.php	(working copy)
@@ -1699,7 +1699,7 @@
     {
         if (method_exists($this, "openid_" . $request->mode)) {
             $handler = array($this, "openid_" . $request->mode);
-            return call_user_func($handler, $request);
+            return call_user_func($handler, &$request);
         }
         return null;
     }
Index: typo3/sysext/openid/lib/php-openid/Auth/OpenID/HMAC.php
===================================================================
--- typo3/sysext/openid/lib/php-openid/Auth/OpenID/HMAC.php	(revision 17369)
+++ typo3/sysext/openid/lib/php-openid/Auth/OpenID/HMAC.php	(working copy)
@@ -60,6 +60,11 @@
         $key = Auth_OpenID_SHA1($key, true);
     }
 
+	if (function_exists('hash_hmac') && function_exists('hash_algos') && in_array('sha1', hash_algos())) {
+		return hash_hmac('sha1', $text, $key, true);
+	}
+
+	// Home-made solution
     $key = str_pad($key, Auth_OpenID_SHA1_BLOCKSIZE, chr(0x00));
     $ipad = str_repeat(chr(0x36), Auth_OpenID_SHA1_BLOCKSIZE);
     $opad = str_repeat(chr(0x5c), Auth_OpenID_SHA1_BLOCKSIZE);
Index: typo3/sysext/openid/lib/php-openid/Auth/OpenID/BigMath.php
===================================================================
--- typo3/sysext/openid/lib/php-openid/Auth/OpenID/BigMath.php	(revision 17369)
+++ typo3/sysext/openid/lib/php-openid/Auth/OpenID/BigMath.php	(working copy)
@@ -366,6 +366,7 @@
 {
     $loaded = false;
 
+	$hasDl = function_exists('dl');
     foreach ($exts as $extension) {
         // See if the extension specified is already loaded.
         if ($extension['extension'] &&
@@ -374,9 +375,9 @@
         }
 
         // Try to load dynamic modules.
-        if (!$loaded) {
+        if (!$loaded && $hasDl) {
             foreach ($extension['modules'] as $module) {
-                if (@dl($module . "." . PHP_SHLIB_SUFFIX)) {
+                if (@dl($module . '.' . PHP_SHLIB_SUFFIX)) {
                     $loaded = true;
                     break;
                 }
Index: typo3/sysext/openid/lib/php-openid/Auth/OpenID/TrustRoot.php
===================================================================
--- typo3/sysext/openid/lib/php-openid/Auth/OpenID/TrustRoot.php	(revision 17369)
+++ typo3/sysext/openid/lib/php-openid/Auth/OpenID/TrustRoot.php	(working copy)
@@ -413,7 +413,7 @@
     }
 
     call_user_func_array($discover_function,
-                         array($relying_party_url, $fetcher));
+                         array($relying_party_url, &$fetcher));
 
     $return_to_urls = array();
     $matching_endpoints = Auth_OpenID_extractReturnURL($endpoints);