Merge upstream branch

1 files changed, 47 insertions, 13 deletions

diff --git a/system/libraries/Encrypt.php b/system/libraries/Encrypt.php
index b29eb470e..17437c1ca 100644
--- a/system/libraries/Encrypt.php
+++ b/system/libraries/Encrypt.php
@@ -38,15 +38,47 @@
  */
 class CI_Encrypt {
 
-	public $encryption_key	= '';
-	protected $_hash_type	= 'sha1';
-	protected $_mcrypt_exists = FALSE;
+	/**
+	 * Reference to the user's encryption key
+	 *
+	 * @var string
+	 */
+	public $encryption_key		= '';
+	
+	/**
+	 * Type of hash operation
+	 * 
+	 * @var string
+	 */
+	protected $_hash_type		= 'sha1';
+	
+	/**
+	 * Flag for the existance of mcrypt
+	 *
+	 * @var bool
+	 */
+	protected $_mcrypt_exists	= FALSE;
+	
+	/**
+	 * Current cipher to be used with mcrypt
+	 *
+	 * @var string
+	 */
 	protected $_mcrypt_cipher;
+	
+	/**
+	 * Method for encrypting/decrypting data
+	 *
+	 * @var int
+	 */
 	protected $_mcrypt_mode;
 
+	/**
+	 * Initialize Encryption class
+	 */
 	public function __construct()
 	{
-		$this->_mcrypt_exists = ( ! function_exists('mcrypt_encrypt')) ? FALSE : TRUE;
+		$this->_mcrypt_exists = function_exists('mcrypt_encrypt');
 		log_message('debug', 'Encrypt Class Initialized');
 	}
 
@@ -349,8 +381,9 @@ class CI_Encrypt {
 	 *
 	 * Function description
 	 *
-	 * @param	type
-	 * @return	type
+	 * @param	string	$data
+	 * @param	string	$key
+	 * @return	string
 	 */
 	protected function _remove_cipher_noise($data, $key)
 	{
@@ -382,8 +415,8 @@ class CI_Encrypt {
 	/**
 	 * Set the Mcrypt Cipher
 	 *
-	 * @param	constant
-	 * @return	string
+	 * @param	int
+	 * @return	object
 	 */
 	public function set_cipher($cipher)
 	{
@@ -396,8 +429,8 @@ class CI_Encrypt {
 	/**
 	 * Set the Mcrypt Mode
 	 *
-	 * @param	constant
-	 * @return	string
+	 * @param	int
+	 * @return	object
 	 */
 	public function set_mode($mode)
 	{
@@ -410,7 +443,7 @@ class CI_Encrypt {
 	/**
 	 * Get Mcrypt cipher Value
 	 *
-	 * @return	string
+	 * @return	int
 	 */
 	protected function _get_cipher()
 	{
@@ -427,7 +460,7 @@ class CI_Encrypt {
 	/**
 	 * Get Mcrypt Mode Value
 	 *
-	 * @return	string
+	 * @return	int
 	 */
 	protected function _get_mode()
 	{
@@ -464,7 +497,8 @@ class CI_Encrypt {
 	{
 		return ($this->_hash_type === 'sha1') ? sha1($str) : md5($str);
 	}
+
 }
 
 /* End of file Encrypt.php */
-/* Location: ./system/libraries/Encrypt.php */
+/* Location: ./system/libraries/Encrypt.php */
\ No newline at end of file