--- Auth.php    2014-02-10 14:46:24.868000000 +0100
+++ Auth.php.new        2014-02-10 14:47:49.112000000 +0100
@@ -146,6 +146,13 @@
             $encrypted = base64_encode(pack('H*', hash('md5', $plaintext . $salt)) . $salt);
             return $show_encrypt ? '{SMD5}' . $encrypted : $encrypted;
 
+        case 'mysql':
+            // MySQL password hash
+            $encrypted = sha1($plaintext, true);
+            $encrypted = sha1($encrypted, false);
+            $encrypted = '*'.strtoupper($encrypted);
+            return $show_encrypt ? '{MYSQL}' . $encrypted : $encrypted;
+
         case 'aprmd5':
             $length = strlen($plaintext);
             $context = $plaintext . '$apr1$' . $salt;