diff --git a/phpseclib/File/ASN1.php b/phpseclib/File/ASN1.php
index 295a2b72..9594580e 100644
--- a/phpseclib/File/ASN1.php
+++ b/phpseclib/File/ASN1.php
@@ -1348,27 +1348,6 @@ abstract class ASN1
         return $temp != false ? $temp : $str;
     }
 
-    /**
-     * DER-decode the length
-     *
-     * DER supports lengths up to (2**8)**127, however, we'll only support lengths up to (2**8)**4.  See
-     * {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information.
-     *
-     * @access public
-     * @param string $string
-     * @return int
-     */
-    public static function decodeLength(&$string)
-    {
-        $length = ord(Strings::shift($string));
-        if ($length & 0x80) { // definite length, long form
-            $length&= 0x7F;
-            $temp = Strings::shift($string, $length);
-            list(, $length) = unpack('N', substr(str_pad($temp, 4, chr(0), STR_PAD_LEFT), -4));
-        }
-        return $length;
-    }
-
     /**
      * DER-encode the length
      *
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 0a75c3b4..6b539cba 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -4333,7 +4333,7 @@ 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');
                 }
 
diff --git a/tests/Unit/File/X509/CRLTest.php b/tests/Unit/File/X509/CRLTest.php
new file mode 100644
index 00000000..8c08ee60
--- /dev/null
+++ b/tests/Unit/File/X509/CRLTest.php
@@ -0,0 +1,24 @@
+<?php
+/**
+ * @author    Jim Wigginton <terrafrost@php.net>
+ * @copyright 2017 Jim Wigginton
+ * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
+ */
+
+use phpseclib\File\X509;
+
+class Unit_File_X509_CRLTest extends PhpseclibTestCase
+{
+    public function testLoadCRL()
+    {
+        $test = file_get_contents('crl.bin');
+
+        $x509 = new X509();
+
+        $x509->loadCRL($test);
+
+        $reason = $x509->getRevokedCertificateExtension('9048354325167497831898969642461237543', 'id-ce-cRLReasons');
+
+        $this->assertSame('unspecified', $reason);
+    }
+}
diff --git a/tests/Unit/File/X509/X509Test.php b/tests/Unit/File/X509/X509Test.php
index 41258b21..773e2c41 100644
--- a/tests/Unit/File/X509/X509Test.php
+++ b/tests/Unit/File/X509/X509Test.php
@@ -181,6 +181,7 @@ aBtsWpliLSex/HHhtRW9AkBGcq67zKmEpJ9kXcYLEjJii3flFS+Ct/rNm+Hhm1l7
         $issuer->setDN($subject->getDN());
 
         $x509 = new X509();
+        $x509->setEndDate('lifetime');
 
         $result = $x509->sign($issuer, $subject);
         $cert = $x509->saveX509($result);
diff --git a/tests/Unit/File/X509/crl.bin b/tests/Unit/File/X509/crl.bin
new file mode 100644
index 00000000..ef6d3ee1
Binary files /dev/null and b/tests/Unit/File/X509/crl.bin differ