diff --git a/composer.json b/composer.json
index 972dd184..bf67f731 100644
--- a/composer.json
+++ b/composer.json
@@ -46,7 +46,7 @@
         }
     ],
     "require": {
-        "php": ">=5.3.0"
+        "php": ">=5.3.2"
     },
     "require-dev": {
         "phing/phing": "2.7.*",
diff --git a/composer.lock b/composer.lock
index 736cebfc..bd0c6b24 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,9 +1,10 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file"
+        "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "This file is @generated automatically"
     ],
-    "hash": "1c5f986d03274ed0b7d509768d1bf277",
+    "hash": "c798aae793e5a1293ee41fbf9c9bdbfa",
     "packages": [
 
     ],
@@ -769,7 +770,7 @@
 
     ],
     "platform": {
-        "php": ">=5.3.0"
+        "php": ">=5.3.2"
     },
     "platform-dev": [
 
diff --git a/phpseclib/Crypt/Random.php b/phpseclib/Crypt/Random.php
index 55c6763e..b7d8dac7 100644
--- a/phpseclib/Crypt/Random.php
+++ b/phpseclib/Crypt/Random.php
@@ -194,37 +194,37 @@ if (!function_exists('crypt_random_string')) {
             //
             // http://en.wikipedia.org/wiki/Cryptographically_secure_pseudorandom_number_generator#Designs_based_on_cryptographic_primitives
             switch (true) {
-                case phpseclib_resolve_include_path('Crypt/AES.php'):
+                case stream_resolve_include_path('Crypt/AES.php'):
                     if (!class_exists('Crypt_AES')) {
                         include_once 'AES.php';
                     }
                     $crypto = new Crypt_AES(CRYPT_AES_MODE_CTR);
                     break;
-                case phpseclib_resolve_include_path('Crypt/Twofish.php'):
+                case stream_resolve_include_path('Crypt/Twofish.php'):
                     if (!class_exists('Crypt_Twofish')) {
                         include_once 'Twofish.php';
                     }
                     $crypto = new Crypt_Twofish(CRYPT_TWOFISH_MODE_CTR);
                     break;
-                case phpseclib_resolve_include_path('Crypt/Blowfish.php'):
+                case stream_resolve_include_path('Crypt/Blowfish.php'):
                     if (!class_exists('Crypt_Blowfish')) {
                         include_once 'Blowfish.php';
                     }
                     $crypto = new Crypt_Blowfish(CRYPT_BLOWFISH_MODE_CTR);
                     break;
-                case phpseclib_resolve_include_path('Crypt/TripleDES.php'):
+                case stream_resolve_include_path('Crypt/TripleDES.php'):
                     if (!class_exists('Crypt_TripleDES')) {
                         include_once 'TripleDES.php';
                     }
                     $crypto = new Crypt_TripleDES(CRYPT_DES_MODE_CTR);
                     break;
-                case phpseclib_resolve_include_path('Crypt/DES.php'):
+                case stream_resolve_include_path('Crypt/DES.php'):
                     if (!class_exists('Crypt_DES')) {
                         include_once 'DES.php';
                     }
                     $crypto = new Crypt_DES(CRYPT_DES_MODE_CTR);
                     break;
-                case phpseclib_resolve_include_path('Crypt/RC4.php'):
+                case stream_resolve_include_path('Crypt/RC4.php'):
                     if (!class_exists('Crypt_RC4')) {
                         include_once 'RC4.php';
                     }
@@ -260,41 +260,3 @@ if (!function_exists('crypt_random_string')) {
         return substr($result, 0, $length);
     }
 }
-
-if (!function_exists('phpseclib_resolve_include_path')) {
-    /**
-     * Resolve filename against the include path.
-     *
-     * Wrapper around stream_resolve_include_path() (which was introduced in
-     * PHP 5.3.2) with fallback implementation for earlier PHP versions.
-     *
-     * @param string $filename
-     * @return mixed Filename (string) on success, false otherwise.
-     * @access public
-     */
-    function phpseclib_resolve_include_path($filename)
-    {
-        if (function_exists('stream_resolve_include_path')) {
-            return stream_resolve_include_path($filename);
-        }
-
-        // handle non-relative paths
-        if (file_exists($filename)) {
-            return realpath($filename);
-        }
-
-        $paths = PATH_SEPARATOR == ':' ?
-            preg_split('#(?<!phar):#', get_include_path()) :
-            explode(PATH_SEPARATOR, get_include_path());
-        foreach ($paths as $prefix) {
-            // path's specified in include_path don't always end in /
-            $ds = substr($prefix, -1) == DIRECTORY_SEPARATOR ? '' : DIRECTORY_SEPARATOR;
-            $file = $prefix . $ds . $filename;
-            if (file_exists($file)) {
-                return realpath($file);
-            }
-        }
-
-        return false;
-    }
-}
diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index a4ad881f..36fc2a35 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -1104,31 +1104,31 @@ class Net_SSH2
                 'none'            // OPTIONAL          no encryption; NOT RECOMMENDED
             );
 
-            if (phpseclib_resolve_include_path('Crypt/RC4.php') === false) {
+            if (stream_resolve_include_path('Crypt/RC4.php') === false) {
                 $encryption_algorithms = array_diff(
                     $encryption_algorithms,
                     array('arcfour256', 'arcfour128', 'arcfour')
                 );
             }
-            if (phpseclib_resolve_include_path('Crypt/Rijndael.php') === false) {
+            if (stream_resolve_include_path('Crypt/Rijndael.php') === false) {
                 $encryption_algorithms = array_diff(
                     $encryption_algorithms,
                     array('aes128-ctr', 'aes192-ctr', 'aes256-ctr', 'aes128-cbc', 'aes192-cbc', 'aes256-cbc')
                 );
             }
-            if (phpseclib_resolve_include_path('Crypt/Twofish.php') === false) {
+            if (stream_resolve_include_path('Crypt/Twofish.php') === false) {
                 $encryption_algorithms = array_diff(
                     $encryption_algorithms,
                     array('twofish128-ctr', 'twofish192-ctr', 'twofish256-ctr', 'twofish128-cbc', 'twofish192-cbc', 'twofish256-cbc', 'twofish-cbc')
                 );
             }
-            if (phpseclib_resolve_include_path('Crypt/Blowfish.php') === false) {
+            if (stream_resolve_include_path('Crypt/Blowfish.php') === false) {
                 $encryption_algorithms = array_diff(
                     $encryption_algorithms,
                     array('blowfish-ctr', 'blowfish-cbc')
                 );
             }
-            if (phpseclib_resolve_include_path('Crypt/TripleDES.php') === false) {
+            if (stream_resolve_include_path('Crypt/TripleDES.php') === false) {
                 $encryption_algorithms = array_diff(
                     $encryption_algorithms,
                     array('3des-ctr', '3des-cbc')