diff --git a/phpseclib/File/X509.php b/phpseclib/File/X509.php
index a95784b5..8d3f50df 100644
--- a/phpseclib/File/X509.php
+++ b/phpseclib/File/X509.php
@@ -3129,12 +3129,13 @@ class X509
      * Returns a list of all extensions in use in certificate, CSR or CRL
      *
      * @param array $cert optional
+     * @param string $path optional
      * @access public
      * @return array
      */
-    public function getExtensions($cert = null)
+    public function getExtensions($cert = null, $path = null)
     {
-        return $this->getExtensionsHelper($cert);
+        return $this->getExtensionsHelper($cert, $path);
     }
 
     /**
@@ -3686,7 +3687,7 @@ class X509
 
         if (is_array($rclist = $this->subArray($crl, 'tbsCertList/revokedCertificates'))) {
             if (($i = $this->revokedCertificate($rclist, $serial)) !== false) {
-                return $this->getExtensionsHelper($crl, "tbsCertList/revokedCertificates/$i/crlEntryExtensions");
+                return $this->getExtensions($crl, "tbsCertList/revokedCertificates/$i/crlEntryExtensions");
             }
         }
 
diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index 49653416..6ed3884d 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -4236,7 +4236,7 @@ class SSH2
                     case $r->compare($q) >= 0:
                     case $s->equals($zero):
                     case $s->compare($q) >= 0:
-                        $this->disconnectHepler(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
+                        $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
                         throw new \RuntimeException('Invalid signature');
                 }