diff --git a/phpseclib/Crypt/Common/AsymmetricKey.php b/phpseclib/Crypt/Common/AsymmetricKey.php
index 08124730..6cc92471 100644
--- a/phpseclib/Crypt/Common/AsymmetricKey.php
+++ b/phpseclib/Crypt/Common/AsymmetricKey.php
@@ -299,7 +299,7 @@ abstract class AsymmetricKey
      * @access private
      * @param string $key
      * @param string $type
-     * @return array
+     * @return array|bool
      */
     protected function load($key, $type)
     {
@@ -339,7 +339,7 @@ abstract class AsymmetricKey
      * @access private
      * @param string $key
      * @param string $type
-     * @return array
+     * @return array|bool
      */
     protected function setPublicKey($key, $type)
     {
diff --git a/phpseclib/Crypt/Common/Keys/OpenSSH.php b/phpseclib/Crypt/Common/Keys/OpenSSH.php
index eb1ba7a3..fc7fc822 100644
--- a/phpseclib/Crypt/Common/Keys/OpenSSH.php
+++ b/phpseclib/Crypt/Common/Keys/OpenSSH.php
@@ -64,7 +64,7 @@ abstract class OpenSSH
      * @access public
      * @param string $key
      * @param string $type
-     * @return array
+     * @return array|bool
      */
     public static function load($key, $type)
     {
diff --git a/phpseclib/Crypt/Common/Keys/PKCS1.php b/phpseclib/Crypt/Common/Keys/PKCS1.php
index afa9ad15..6ae8588d 100644
--- a/phpseclib/Crypt/Common/Keys/PKCS1.php
+++ b/phpseclib/Crypt/Common/Keys/PKCS1.php
@@ -122,7 +122,7 @@ abstract class PKCS1 extends PKCS
      * @access public
      * @param string $key
      * @param string $password optional
-     * @return array
+     * @return array|bool
      */
     protected static function load($key, $password)
     {
diff --git a/phpseclib/Crypt/Common/Keys/PKCS8.php b/phpseclib/Crypt/Common/Keys/PKCS8.php
index 74222ab5..e4002fe7 100644
--- a/phpseclib/Crypt/Common/Keys/PKCS8.php
+++ b/phpseclib/Crypt/Common/Keys/PKCS8.php
@@ -320,7 +320,7 @@ abstract class PKCS8 extends PKCS
      * @access public
      * @param string $key
      * @param string $password optional
-     * @return array
+     * @return array|bool
      */
     protected static function load($key, $password = '')
     {
diff --git a/phpseclib/Crypt/Common/Keys/PuTTY.php b/phpseclib/Crypt/Common/Keys/PuTTY.php
index 12e4377a..44224510 100644
--- a/phpseclib/Crypt/Common/Keys/PuTTY.php
+++ b/phpseclib/Crypt/Common/Keys/PuTTY.php
@@ -77,7 +77,7 @@ abstract class PuTTY
      * @param string $publicHandler
      * @param string $type
      * @param string $password
-     * @return array
+     * @return array|bool
      */
     protected static function load($key, $password)
     {
diff --git a/phpseclib/Crypt/Common/Signature/Raw.php b/phpseclib/Crypt/Common/Signature/Raw.php
index 73aeee8a..7977417c 100644
--- a/phpseclib/Crypt/Common/Signature/Raw.php
+++ b/phpseclib/Crypt/Common/Signature/Raw.php
@@ -33,7 +33,7 @@ abstract class Raw
      *
      * @access public
      * @param array $sig
-     * @return array
+     * @return array|bool
      */
     public static function load($sig)
     {
diff --git a/phpseclib/Crypt/DSA.php b/phpseclib/Crypt/DSA.php
index 9cbee43e..19b0bae2 100644
--- a/phpseclib/Crypt/DSA.php
+++ b/phpseclib/Crypt/DSA.php
@@ -109,7 +109,7 @@ class DSA extends AsymmetricKey
      * @access public
      * @param int $L
      * @param int $N
-     * @return \phpseclib\Crypt\DSA
+     * @return \phpseclib\Crypt\DSA|bool
      */
     static function createParameters($L = 2048, $N = 224)
     {
@@ -183,7 +183,7 @@ class DSA extends AsymmetricKey
      *  - 'publickey':  The public key.
      *
      * @access public
-     * @return \phpseclib\Crypt\DSA
+     * @return array|DSA
      */
     static function createKey()
     {
diff --git a/phpseclib/Crypt/DSA/Keys/OpenSSH.php b/phpseclib/Crypt/DSA/Keys/OpenSSH.php
index 6458ba35..0b5d47b4 100644
--- a/phpseclib/Crypt/DSA/Keys/OpenSSH.php
+++ b/phpseclib/Crypt/DSA/Keys/OpenSSH.php
@@ -37,7 +37,7 @@ abstract class OpenSSH extends Progenitor
      * @access public
      * @param string $key
      * @param string $password optional
-     * @return array
+     * @return array|bool
      */
     public static function load($key, $password = '')
     {
diff --git a/phpseclib/Crypt/DSA/Keys/PKCS1.php b/phpseclib/Crypt/DSA/Keys/PKCS1.php
index 7a3920ba..fefe3117 100644
--- a/phpseclib/Crypt/DSA/Keys/PKCS1.php
+++ b/phpseclib/Crypt/DSA/Keys/PKCS1.php
@@ -46,7 +46,7 @@ abstract class PKCS1 extends Progenitor
      * @access public
      * @param string $key
      * @param string $password optional
-     * @return array
+     * @return array|bool
      */
     public static function load($key, $password = '')
     {
diff --git a/phpseclib/Crypt/DSA/Keys/PKCS8.php b/phpseclib/Crypt/DSA/Keys/PKCS8.php
index 1415175a..4a94a861 100644
--- a/phpseclib/Crypt/DSA/Keys/PKCS8.php
+++ b/phpseclib/Crypt/DSA/Keys/PKCS8.php
@@ -69,7 +69,7 @@ abstract class PKCS8 extends Progenitor
      * @access public
      * @param string $key
      * @param string $password optional
-     * @return array
+     * @return array|bool
      */
     public static function load($key, $password = '')
     {
diff --git a/phpseclib/Crypt/DSA/Keys/PuTTY.php b/phpseclib/Crypt/DSA/Keys/PuTTY.php
index 7b297631..af7a7ea4 100644
--- a/phpseclib/Crypt/DSA/Keys/PuTTY.php
+++ b/phpseclib/Crypt/DSA/Keys/PuTTY.php
@@ -55,7 +55,7 @@ abstract class PuTTY extends Progenitor
      * @access public
      * @param string $key
      * @param string $password optional
-     * @return array
+     * @return array|bool
      */
     public static function load($key, $password = '')
     {
diff --git a/phpseclib/Crypt/DSA/Keys/Raw.php b/phpseclib/Crypt/DSA/Keys/Raw.php
index 18d0b03a..ab6085fa 100644
--- a/phpseclib/Crypt/DSA/Keys/Raw.php
+++ b/phpseclib/Crypt/DSA/Keys/Raw.php
@@ -34,7 +34,7 @@ abstract class Raw
      * @access public
      * @param array $key
      * @param string $password optional
-     * @return array
+     * @return array|bool
      */
     public static function load($key, $password = '')
     {
diff --git a/phpseclib/Crypt/DSA/Keys/XML.php b/phpseclib/Crypt/DSA/Keys/XML.php
index 02644b7d..0741ae5f 100644
--- a/phpseclib/Crypt/DSA/Keys/XML.php
+++ b/phpseclib/Crypt/DSA/Keys/XML.php
@@ -39,7 +39,7 @@ abstract class XML
      * @access public
      * @param string $key
      * @param string $password optional
-     * @return array
+     * @return array|bool
      */
     public static function load($key, $password = '')
     {
diff --git a/phpseclib/Crypt/DSA/Signature/PKCS.php b/phpseclib/Crypt/DSA/Signature/PKCS.php
index fa09e54a..eeb97755 100644
--- a/phpseclib/Crypt/DSA/Signature/PKCS.php
+++ b/phpseclib/Crypt/DSA/Signature/PKCS.php
@@ -36,7 +36,7 @@ abstract class PKCS
      *
      * @access public
      * @param array $key
-     * @return array
+     * @return array|bool
      */
     public static function load($sig)
     {
diff --git a/phpseclib/Crypt/Hash.php b/phpseclib/Crypt/Hash.php
index e5af7b48..2b4f7b83 100644
--- a/phpseclib/Crypt/Hash.php
+++ b/phpseclib/Crypt/Hash.php
@@ -134,7 +134,7 @@ class Hash
      * Keys can be of any length.
      *
      * @access public
-     * @param string $key
+     * @param string|bool $key
      */
     public function setKey($key = false)
     {
diff --git a/phpseclib/Crypt/RSA/Keys/MSBLOB.php b/phpseclib/Crypt/RSA/Keys/MSBLOB.php
index 8ac478e0..33500fe7 100644
--- a/phpseclib/Crypt/RSA/Keys/MSBLOB.php
+++ b/phpseclib/Crypt/RSA/Keys/MSBLOB.php
@@ -71,7 +71,7 @@ abstract class MSBLOB
      * @access public
      * @param string $key
      * @param string $password optional
-     * @return array
+     * @return array|bool
      */
     public static function load($key, $password = '')
     {
diff --git a/phpseclib/Crypt/RSA/Keys/OpenSSH.php b/phpseclib/Crypt/RSA/Keys/OpenSSH.php
index 40f20330..b8ba1bb5 100644
--- a/phpseclib/Crypt/RSA/Keys/OpenSSH.php
+++ b/phpseclib/Crypt/RSA/Keys/OpenSSH.php
@@ -37,7 +37,7 @@ abstract class OpenSSH extends Progenitor
      * @access public
      * @param string $key
      * @param string $password optional
-     * @return array
+     * @return array|bool
      */
     public static function load($key, $password = '')
     {
diff --git a/phpseclib/Crypt/RSA/Keys/PKCS1.php b/phpseclib/Crypt/RSA/Keys/PKCS1.php
index 125927ce..6c73d65d 100644
--- a/phpseclib/Crypt/RSA/Keys/PKCS1.php
+++ b/phpseclib/Crypt/RSA/Keys/PKCS1.php
@@ -44,7 +44,7 @@ abstract class PKCS1 extends Progenitor
      * @access public
      * @param string $key
      * @param string $password optional
-     * @return array
+     * @return array|bool
      */
     public static function load($key, $password = '')
     {
diff --git a/phpseclib/Crypt/RSA/Keys/PKCS8.php b/phpseclib/Crypt/RSA/Keys/PKCS8.php
index 382fb2b7..40888020 100644
--- a/phpseclib/Crypt/RSA/Keys/PKCS8.php
+++ b/phpseclib/Crypt/RSA/Keys/PKCS8.php
@@ -70,7 +70,7 @@ abstract class PKCS8 extends Progenitor
      * @access public
      * @param string $key
      * @param string $password optional
-     * @return array
+     * @return array|bool
      */
     public static function load($key, $password = '')
     {
diff --git a/phpseclib/Crypt/RSA/Keys/PuTTY.php b/phpseclib/Crypt/RSA/Keys/PuTTY.php
index 4353fd02..ca9195d0 100644
--- a/phpseclib/Crypt/RSA/Keys/PuTTY.php
+++ b/phpseclib/Crypt/RSA/Keys/PuTTY.php
@@ -50,7 +50,7 @@ abstract class PuTTY extends Progenitor
      * @access public
      * @param string $key
      * @param string $password optional
-     * @return array
+     * @return array|bool
      */
     public static function load($key, $password = '')
     {
diff --git a/phpseclib/Crypt/RSA/Keys/Raw.php b/phpseclib/Crypt/RSA/Keys/Raw.php
index e2bd636c..fe3c4c62 100644
--- a/phpseclib/Crypt/RSA/Keys/Raw.php
+++ b/phpseclib/Crypt/RSA/Keys/Raw.php
@@ -42,7 +42,7 @@ abstract class Raw
      * @access public
      * @param string $key
      * @param string $password optional
-     * @return array
+     * @return array|bool
      */
     public static function load($key, $password = '')
     {
@@ -95,7 +95,7 @@ abstract class Raw
      * @access public
      * @param \phpseclib\Math\BigInteger $n
      * @param \phpseclib\Math\BigInteger $e
-     * @return string
+     * @return array
      */
     public static function savePublicKey(BigInteger $n, BigInteger $e)
     {
diff --git a/phpseclib/Crypt/RSA/Keys/XML.php b/phpseclib/Crypt/RSA/Keys/XML.php
index a31a4be0..07549026 100644
--- a/phpseclib/Crypt/RSA/Keys/XML.php
+++ b/phpseclib/Crypt/RSA/Keys/XML.php
@@ -40,7 +40,7 @@ abstract class XML
      * @access public
      * @param string $key
      * @param string $password optional
-     * @return array
+     * @return array|bool
      */
     public static function load($key, $password = '')
     {
diff --git a/phpseclib/File/ASN1.php b/phpseclib/File/ASN1.php
index 9594580e..53ac6ff2 100644
--- a/phpseclib/File/ASN1.php
+++ b/phpseclib/File/ASN1.php
@@ -26,6 +26,7 @@ namespace phpseclib\File;
 use ParagonIE\ConstantTime\Base64;
 use phpseclib\File\ASN1\Element;
 use phpseclib\Math\BigInteger;
+use phpseclib\Common\Functions\Strings;
 
 /**
  * Pure-PHP ASN.1 Parser
@@ -248,7 +249,7 @@ abstract class ASN1
      * @param string $encoded
      * @param int $start
      * @param int $encoded_pos
-     * @return array
+     * @return array|bool
      * @access private
      */
     private static function decode_ber($encoded, $start = 0, $encoded_pos = 0)
@@ -513,7 +514,7 @@ abstract class ASN1
      * @param array $decoded
      * @param array $mapping
      * @param array $special
-     * @return array
+     * @return array|bool|Element
      * @access public
      */
     public static function asn1map($decoded, $mapping, $special = [])
@@ -826,7 +827,7 @@ abstract class ASN1
      * ASN.1 Encode (Helper function)
      *
      * @param string $source
-     * @param string $mapping
+     * @param array $mapping
      * @param int $idx
      * @return string
      * @throws \RuntimeException if the input has an error in it
diff --git a/phpseclib/File/X509.php b/phpseclib/File/X509.php
index 8d3f50df..51161b21 100644
--- a/phpseclib/File/X509.php
+++ b/phpseclib/File/X509.php
@@ -36,6 +36,7 @@ use phpseclib\File\ASN1\Element;
 use phpseclib\Math\BigInteger;
 use phpseclib\File\ASN1\Maps;
 
+
 /**
  * Pure-PHP X.509 Parser
  *
@@ -1564,7 +1565,7 @@ class X509
      * @param mixed $format optional
      * @param array $dn optional
      * @access public
-     * @return bool
+     * @return array|bool
      */
     public function getDN($format = self::DN_ARRAY, $dn = null)
     {
@@ -2796,7 +2797,7 @@ class X509
         */
         if (strtolower($date) == 'lifetime') {
             $temp = '99991231235959Z';
-            $temp = chr(ASN1::TYPE_GENERALIZED_TIME) . Functions::encodeLength(strlen($temp)) . $temp;
+            $temp = chr(ASN1::TYPE_GENERALIZED_TIME) . ASN1::encodeLength(strlen($temp)) . $temp;
             $this->endDate = new Element($temp);
         } else {
             $this->endDate = @date('D, d M Y H:i:s O', @strtotime($date));
@@ -3117,12 +3118,13 @@ class X509
      *
      * @param string $id
      * @param array $cert optional
+     * @param string $path
      * @access public
      * @return mixed
      */
-    public function getExtension($id, $cert = null)
+    public function getExtension($id, $cert = null, $path=null)
     {
-        return $this->getExtensionHelper($id, $cert);
+        return $this->getExtensionHelper($id, $cert, $path);
     }
 
     /**
@@ -3431,7 +3433,7 @@ class X509
      * Format a public key as appropriate
      *
      * @access private
-     * @return array
+     * @return array|bool
      */
     private function formatSubjectPublicKey()
     {
@@ -3603,7 +3605,7 @@ class X509
      *
      * @param array $crl optional
      * @access public
-     * @return array
+     * @return array|bool
      */
     public function listRevoked($crl = null)
     {
@@ -3677,7 +3679,7 @@ class X509
      * @param string $serial
      * @param array $crl optional
      * @access public
-     * @return array
+     * @return array|bool
      */
     public function getRevokedCertificateExtensions($serial, $crl = null)
     {
diff --git a/phpseclib/Math/BigInteger/Engines/BCMath/Base.php b/phpseclib/Math/BigInteger/Engines/BCMath/Base.php
index 026cd86f..91efeb00 100644
--- a/phpseclib/Math/BigInteger/Engines/BCMath/Base.php
+++ b/phpseclib/Math/BigInteger/Engines/BCMath/Base.php
@@ -60,7 +60,7 @@ abstract class Base extends BCMath
      * @param string $class
      * @return \phpseclib\Math\BigInteger\Engines\BCMath
      */
-    protected static function powModHelper(BCMath $x, BCMath $e, BCMath $n, $class)
+    public static function powModHelper(BCMath $x, BCMath $e, BCMath $n, $class)
     {
         if (empty($e->value)) {
             $temp = new $class();
diff --git a/phpseclib/Math/BigInteger/Engines/BCMath/Reductions/Barrett.php b/phpseclib/Math/BigInteger/Engines/BCMath/Reductions/Barrett.php
index 7237c5ac..f858ce17 100644
--- a/phpseclib/Math/BigInteger/Engines/BCMath/Reductions/Barrett.php
+++ b/phpseclib/Math/BigInteger/Engines/BCMath/Reductions/Barrett.php
@@ -61,7 +61,7 @@ abstract class Barrett extends Base
      *
      * @param string $n
      * @param string $m
-     * @return array
+     * @return array|string
      */
     protected static function reduce($n, $m)
     {
diff --git a/phpseclib/Math/BigInteger/Engines/BCMath/Reductions/EvalBarrett.php b/phpseclib/Math/BigInteger/Engines/BCMath/Reductions/EvalBarrett.php
index 2ab676e6..58374b3d 100644
--- a/phpseclib/Math/BigInteger/Engines/BCMath/Reductions/EvalBarrett.php
+++ b/phpseclib/Math/BigInteger/Engines/BCMath/Reductions/EvalBarrett.php
@@ -55,7 +55,7 @@ abstract class EvalBarrett extends Base
      *
      * @param array $m
      * @param string $class
-     * @return callable
+     * @return callable|void
      */
     protected static function generateCustomReduction(BCMath $m, $class)
     {
diff --git a/phpseclib/Math/BigInteger/Engines/Engine.php b/phpseclib/Math/BigInteger/Engines/Engine.php
index 89787416..9f3dc497 100644
--- a/phpseclib/Math/BigInteger/Engines/Engine.php
+++ b/phpseclib/Math/BigInteger/Engines/Engine.php
@@ -396,7 +396,7 @@ abstract class Engine implements \Serializable
     /**
      * Logical Not
      *
-     * @return \phpseclib\Math\BigInteger\Engines\Engine
+     * @return Engine|string
      */
     public function bitwise_not()
     {
@@ -465,7 +465,7 @@ abstract class Engine implements \Serializable
      * Instead of the top x bits being dropped they're appended to the shifted bit string.
      *
      * @param int $shift
-     * @return \phpseclib\Math\BigInteger\Engine\Engines
+     * @return \phpseclib\Math\BigInteger\Engines\Engine
      */
     public function bitwise_leftRotate($shift)
     {
@@ -563,7 +563,7 @@ abstract class Engine implements \Serializable
     /**
      * Performs some pre-processing for powMod
      *
-     * @return \phpseclib\Math\BigInteger\Engines\Engine
+     * @return bool|Engine
      */
     protected function powModOuter(Engine $e, Engine $n)
     {
@@ -591,11 +591,11 @@ abstract class Engine implements \Serializable
      * however, this function performs a modular reduction after every multiplication and squaring operation.
      * As such, this function has the same preconditions that the reductions being used do.
      *
-     * @param \phpseclib\Math\BigInteger\Engine $x
-     * @param \phpseclib\Math\BigInteger\Engine $e
-     * @param \phpseclib\Math\BigInteger\Engine $n
+     * @param \phpseclib\Math\BigInteger\Engines\Engine $x
+     * @param \phpseclib\Math\BigInteger\Engines\Engine $e
+     * @param \phpseclib\Math\BigInteger\Engines\Engine $n
      * @param string $class
-     * @return \phpseclib\Math\BigInteger\Engine
+     * @return \phpseclib\Math\BigInteger\Engines\Engine
      */
     protected static function slidingWindow(Engine $x, Engine $e, Engine $n, $class)
     {
@@ -691,7 +691,7 @@ abstract class Engine implements \Serializable
     /**
      * Performs some pre-processing for randomRangePrime
      *
-     * @return \phpseclib\Math\BigInteger\Engines\Engine
+     * @return bool|Engine
      */
     protected static function randomRangePrimeOuter(Engine $min, Engine $max)
     {
@@ -781,7 +781,7 @@ abstract class Engine implements \Serializable
     /**
      * Performs some post-processing for randomRangePrime
      *
-     * @return \phpseclib\Math\BigInteger\Engine
+     * @return bool|Engine
      */
     protected static function randomRangePrimeInner(Engine $x, Engine $min, Engine $max)
     {
diff --git a/phpseclib/Math/BigInteger/Engines/GMP.php b/phpseclib/Math/BigInteger/Engines/GMP.php
index 5e5a0197..9a406a27 100644
--- a/phpseclib/Math/BigInteger/Engines/GMP.php
+++ b/phpseclib/Math/BigInteger/Engines/GMP.php
@@ -546,7 +546,7 @@ class GMP extends Engine
      *
      * Returns the nth root of a positive biginteger, where n defaults to 2
      *
-     * @return \phpseclib\Math\BigInteger\Engines\Engine\GMP
+     * @return \phpseclib\Math\BigInteger\Engines\GMP
      */
     protected function rootInner($n)
     {
diff --git a/phpseclib/Math/BigInteger/Engines/PHP.php b/phpseclib/Math/BigInteger/Engines/PHP.php
index 8e448cc0..bee28778 100644
--- a/phpseclib/Math/BigInteger/Engines/PHP.php
+++ b/phpseclib/Math/BigInteger/Engines/PHP.php
@@ -1314,7 +1314,7 @@ abstract class PHP extends Engine
     protected function powHelper(PHP $n)
     {
         if ($n->compare(static::$zero) == 0) {
-            return new self(1);
+            return new static(1);
         } // n^0 = 1
 
 
diff --git a/phpseclib/Math/BigInteger/Engines/PHP/Base.php b/phpseclib/Math/BigInteger/Engines/PHP/Base.php
index 640d17c6..3529906e 100644
--- a/phpseclib/Math/BigInteger/Engines/PHP/Base.php
+++ b/phpseclib/Math/BigInteger/Engines/PHP/Base.php
@@ -80,7 +80,7 @@ abstract class Base extends PHP
      * @param string $class
      * @return \phpseclib\Math\BigInteger\Engines\PHP
      */
-    protected static function powModHelper(PHP $x, PHP $e, PHP $n, $class)
+    public static function powModHelper(PHP $x, PHP $e, PHP $n, $class)
     {
         if (empty($e->value)) {
             $temp = new $class();
diff --git a/phpseclib/Math/BigInteger/Engines/PHP/Montgomery.php b/phpseclib/Math/BigInteger/Engines/PHP/Montgomery.php
index 8bffb1ca..cdbf23a1 100644
--- a/phpseclib/Math/BigInteger/Engines/PHP/Montgomery.php
+++ b/phpseclib/Math/BigInteger/Engines/PHP/Montgomery.php
@@ -46,7 +46,7 @@ abstract class Montgomery extends Base
      * @param \phpseclib\Math\BigInteger\Engine $e
      * @param \phpseclib\Math\BigInteger\Engine $n
      * @param string $class
-     * @return \phpseclib\Math\BigInteger\Engine
+     * @return \phpseclib\Math\BigInteger\Engine|Engine
      */
     protected static function slidingWindow(Engine $x, Engine $e, Engine $n, $class)
     {
diff --git a/phpseclib/Net/SFTP.php b/phpseclib/Net/SFTP.php
index 4397586e..63496e69 100644
--- a/phpseclib/Net/SFTP.php
+++ b/phpseclib/Net/SFTP.php
@@ -3024,7 +3024,7 @@ class SFTP extends SSH2
      * Returns a string if NET_SFTP_LOGGING == self::LOG_COMPLEX, an array if NET_SFTP_LOGGING == self::LOG_SIMPLE and false if !defined('NET_SFTP_LOGGING')
      *
      * @access public
-     * @return string or Array
+     * @return array|string
      */
     public function getSFTPLog()
     {
@@ -3086,7 +3086,7 @@ class SFTP extends SSH2
      * @return bool
      * @access private
      */
-    private function disconnect_helper($reason)
+    protected function disconnect_helper($reason)
     {
         $this->pwd = false;
         parent::disconnect_helper($reason);
diff --git a/phpseclib/Net/SSH1.php b/phpseclib/Net/SSH1.php
index 973b13f6..8cb3c625 100644
--- a/phpseclib/Net/SSH1.php
+++ b/phpseclib/Net/SSH1.php
@@ -1079,7 +1079,7 @@ class SSH1
      * http://www.securiteam.com/securitynews/5LP042K3FY.html
      *
      * @see self::_send_binary_packet()
-     * @return array
+     * @return array|bool
      * @access private
      */
     private function get_binary_packet()
diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index 6b539cba..5fc9dc6d 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -652,7 +652,7 @@ class SSH2
      * @see self::_get_channel_packet()
      * @access private
      */
-    private $curTimeout;
+    protected $curTimeout;
 
     /**
      * Real-time log file pointer
@@ -906,7 +906,7 @@ class SSH2
      * @param int $port
      * @param int $timeout
      * @see self::login()
-     * @return \phpseclib\Net\SSH2
+     * @return SSH2|void
      * @access public
      */
     public function __construct($host, $port = 22, $timeout = 10)
@@ -3926,7 +3926,7 @@ class SSH2
      * @return bool
      * @access private
      */
-    private function disconnect_helper($reason)
+    protected function disconnect_helper($reason)
     {
         if ($this->bitmap & self::MASK_CONNECTED) {
             $data = pack('CNNa*Na*', NET_SSH2_MSG_DISCONNECT, $reason, 0, '', 0, '');