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authorAndrey Andreev <narf@bofh.bg>2012-06-07 20:56:59 +0200
committerAndrey Andreev <narf@bofh.bg>2012-06-07 20:56:59 +0200
commitcd221aba73cb7a117c70ca237f0ee9dc14f80cf1 (patch)
tree39db53d645226c212eb697494320eef6302544a0 /system/libraries/Encrypt.php
parent1fcce9667fe8d1925a36549e22124411f5828230 (diff)
parent6c776538c4e8f1b932d5ec7431c1c8de8a5642a6 (diff)
Merge upstream branch
Diffstat (limited to 'system/libraries/Encrypt.php')
-rw-r--r--system/libraries/Encrypt.php45
1 files changed, 40 insertions, 5 deletions
diff --git a/system/libraries/Encrypt.php b/system/libraries/Encrypt.php
index 54b5bf737..959e2eea8 100644
--- a/system/libraries/Encrypt.php
+++ b/system/libraries/Encrypt.php
@@ -38,12 +38,46 @@
*/
class CI_Encrypt {
+ /**
+ * 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
+ *
+ * @return void
+ */
public function __construct()
{
$this->_mcrypt_exists = function_exists('mcrypt_encrypt');
@@ -63,9 +97,9 @@ class CI_Encrypt {
*/
public function get_key($key = '')
{
- if ($key == '')
+ if ($key === '')
{
- if ($this->encryption_key != '')
+ if ($this->encryption_key !== '')
{
return $this->encryption_key;
}
@@ -349,7 +383,8 @@ class CI_Encrypt {
*
* Function description
*
- * @param string
+ * @param string $data
+ * @param string $key
* @return string
*/
protected function _remove_cipher_noise($data, $key)
@@ -414,7 +449,7 @@ class CI_Encrypt {
*/
protected function _get_cipher()
{
- if ($this->_mcrypt_cipher == '')
+ if ($this->_mcrypt_cipher === NULL)
{
return $this->_mcrypt_cipher = MCRYPT_RIJNDAEL_256;
}
@@ -431,7 +466,7 @@ class CI_Encrypt {
*/
protected function _get_mode()
{
- if ($this->_mcrypt_mode == '')
+ if ($this->_mcrypt_mode === NULL)
{
return $this->_mcrypt_mode = MCRYPT_MODE_CBC;
}