diff --git a/phpseclib/Common/Functions/Objects.php b/phpseclib/Common/Functions/Objects.php
index cb87b1a7..607e0181 100644
--- a/phpseclib/Common/Functions/Objects.php
+++ b/phpseclib/Common/Functions/Objects.php
@@ -45,7 +45,6 @@ abstract class Objects
      * @param Object $obj
      * @param string $var
      * @param mixed $val
-     * @return mixed
      * @access public
      */
     public static function setVar($obj, $var, $val)
@@ -53,7 +52,7 @@ abstract class Objects
         $reflection = new \ReflectionClass(get_class($obj));
         $prop = $reflection->getProperty($var);
         $prop->setAccessible(true);
-        return $prop->setValue($obj, $val);
+        $prop->setValue($obj, $val);
     }
 
     /**
diff --git a/phpseclib/Crypt/Common/Signature/Raw.php b/phpseclib/Crypt/Common/Signature/Raw.php
index 46929eba..73aeee8a 100644
--- a/phpseclib/Crypt/Common/Signature/Raw.php
+++ b/phpseclib/Crypt/Common/Signature/Raw.php
@@ -18,7 +18,6 @@
 namespace phpseclib\Crypt\Common\Signature;
 
 use phpseclib\Math\BigInteger;
-use phpseclib\Common\Functions\Strings;
 
 /**
  * Raw Signature Handler
@@ -33,7 +32,7 @@ abstract class Raw
      * Loads a signature
      *
      * @access public
-     * @param array $key
+     * @param array $sig
      * @return array
      */
     public static function load($sig)
@@ -47,8 +46,8 @@ abstract class Raw
         }
 
         return [
-            'r' => $key['r'],
-            's' => $key['s']
+            'r' => $sig['r'],
+            's' => $sig['s']
         ];
     }
 
diff --git a/phpseclib/Crypt/DSA/Signature/SSH2.php b/phpseclib/Crypt/DSA/Signature/SSH2.php
index 0e781b35..ad78c447 100644
--- a/phpseclib/Crypt/DSA/Signature/SSH2.php
+++ b/phpseclib/Crypt/DSA/Signature/SSH2.php
@@ -33,8 +33,8 @@ abstract class SSH2
      * Loads a signature
      *
      * @access public
-     * @param array $key
-     * @return array
+     * @param array $sig
+     * @return mixed
      */
     public static function load($sig)
     {
@@ -67,9 +67,9 @@ abstract class SSH2
      */
     public static function save(BigInteger $r, BigInteger $s)
     {
-        if ($r->getLength() != 160 || $s->getLength != 160) {
+        if ($r->getLength() != 160 || $s->getLength() != 160) {
             return false;
         }
-        return Strings::pack('ss', $r, $s);
+        return Strings::packSSH2('ss', $r, $s);
     }
 }
diff --git a/phpseclib/Crypt/RSA.php b/phpseclib/Crypt/RSA.php
index bd2c77df..e931267d 100644
--- a/phpseclib/Crypt/RSA.php
+++ b/phpseclib/Crypt/RSA.php
@@ -201,6 +201,15 @@ class RSA extends AsymmetricKey
      */
     private $sLen;
 
+
+    /**
+     * Comment
+     *
+     * @var string
+     * @access private
+     */
+    private $comment;
+
     /**
      * Hash function for the Mask Generation Function
      *
diff --git a/phpseclib/Crypt/TripleDES.php b/phpseclib/Crypt/TripleDES.php
index 044c3773..9dede481 100644
--- a/phpseclib/Crypt/TripleDES.php
+++ b/phpseclib/Crypt/TripleDES.php
@@ -258,6 +258,7 @@ class TripleDES extends DES
         switch (strlen($key)) {
             case 16:
                 $key.= substr($key, 0, 8);
+                break;
             case 24:
                 break;
             default:
@@ -438,7 +439,6 @@ class TripleDES extends DES
      * @see \phpseclib\Crypt\Common\SymmetricKey::setPreferredEngine()
      * @param int $engine
      * @access public
-     * @return int
      */
     public function setPreferredEngine($engine)
     {
@@ -448,6 +448,6 @@ class TripleDES extends DES
             $this->des[2]->setPreferredEngine($engine);
         }
 
-        return parent::setPreferredEngine($engine);
+        parent::setPreferredEngine($engine);
     }
 }
diff --git a/phpseclib/Crypt/Twofish.php b/phpseclib/Crypt/Twofish.php
index 3c1f6dcb..9193e650 100644
--- a/phpseclib/Crypt/Twofish.php
+++ b/phpseclib/Crypt/Twofish.php
@@ -402,7 +402,7 @@ class Twofish extends BlockCipher
             case 256:
                 break;
             default:
-                throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported');
+                throw new \LengthException('Key of size ' . $length . ' not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported');
         }
 
         parent::setKeyLength($length);
diff --git a/phpseclib/Net/SSH1.php b/phpseclib/Net/SSH1.php
index d5dfe699..27950eee 100644
--- a/phpseclib/Net/SSH1.php
+++ b/phpseclib/Net/SSH1.php
@@ -547,7 +547,7 @@ class SSH1
     {
         $this->fsock = @fsockopen($this->host, $this->port, $errno, $errstr, $this->connectionTimeout);
         if (!$this->fsock) {
-            throw new \RuntimeException(rtrim("Cannot connect to $host. Error $errno. $errstr"));
+            throw new \RuntimeException(rtrim("Cannot connect to $this->host. Error $errno. $errstr"));
         }
 
         $this->server_identification = $init_line = fgets($this->fsock, 255);
@@ -924,7 +924,7 @@ class SSH1
      * @throws \RuntimeException on connection error
      * @access public
      */
-    public function read($expect, $mode = self::READ__SIMPLE)
+    public function read($expect, $mode = self::READ_SIMPLE)
     {
         if (!($this->bitmap & self::MASK_LOGIN)) {
             throw new \RuntimeException('Operation disallowed prior to login()');
@@ -936,7 +936,7 @@ class SSH1
 
         $match = $expect;
         while (true) {
-            if ($mode == self::READ__REGEX) {
+            if ($mode == self::READ_REGEX) {
                 preg_match($expect, $this->interactiveBuffer, $matches);
                 $match = isset($matches[0]) ? $matches[0] : '';
             }