diff --git a/libraries/phpseclib/Crypt/AES.php b/libraries/phpseclib/Crypt/AES.php
index 2bb4d5e8f8..4f15c80d3f 100644
--- a/libraries/phpseclib/Crypt/AES.php
+++ b/libraries/phpseclib/Crypt/AES.php
@@ -46,6 +46,9 @@
  * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
  * @link      http://phpseclib.sourceforge.net
  */
+if (! defined('PHPMYADMIN')) {
+    exit;
+}
 
 namespace phpseclib\Crypt;
 
diff --git a/libraries/phpseclib/Crypt/Rijndael.php b/libraries/phpseclib/Crypt/Rijndael.php
index e97239321c..109d5d6cc9 100644
--- a/libraries/phpseclib/Crypt/Rijndael.php
+++ b/libraries/phpseclib/Crypt/Rijndael.php
@@ -51,6 +51,9 @@
  * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
  * @link      http://phpseclib.sourceforge.net
  */
+if (! defined('PHPMYADMIN')) {
+    exit;
+}
 
 namespace phpseclib\Crypt;