diff options
Diffstat (limited to 'system/libraries/Encrypt.php')
| -rw-r--r-- | system/libraries/Encrypt.php | 45 |
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; } |