Index: branches/5.2.x/core/kernel/utility/system_config.php
===================================================================
diff -u -N -r16439 -r16691
--- branches/5.2.x/core/kernel/utility/system_config.php	(.../system_config.php)	(revision 16439)
+++ branches/5.2.x/core/kernel/utility/system_config.php	(.../system_config.php)	(revision 16691)
@@ -84,6 +84,8 @@
 			'WebsiteCharset' => 'utf-8',
 			'WebsitePath' => rtrim(preg_replace('/'.preg_quote(rtrim(defined('REL_PATH') ? REL_PATH : '', '/'), '/').'$/', '', str_replace('\\', '/', dirname($_SERVER['PHP_SELF']))), '/'),
 			'WriteablePath' => DIRECTORY_SEPARATOR . 'system',
+			'SecurityHmacKey' => '',
+			'SecurityEncryptionKey' => '',
 		);
 
 		return $this->parseSections ? array('Misc' => $ret) : $ret;