diff options
Diffstat (limited to 'system/libraries/Encrypt.php')
| -rw-r--r-- | system/libraries/Encrypt.php | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/system/libraries/Encrypt.php b/system/libraries/Encrypt.php index 751557fab..679609251 100644 --- a/system/libraries/Encrypt.php +++ b/system/libraries/Encrypt.php @@ -97,15 +97,14 @@ class CI_Encrypt { */ public function get_key($key = '') { - if ($key == '') + if ($key === '') { - if ($this->encryption_key != '') + if ($this->encryption_key !== '') { return $this->encryption_key; } - $CI =& get_instance(); - $key = $CI->config->item('encryption_key'); + $key = config_item('encryption_key'); if ($key === FALSE) { @@ -214,6 +213,7 @@ class CI_Encrypt { $dec = base64_decode($string); if (($dec = $this->mcrypt_decode($dec, $key)) === FALSE) { + $this->set_mode($current_mode); return FALSE; } @@ -449,7 +449,7 @@ class CI_Encrypt { */ protected function _get_cipher() { - if ($this->_mcrypt_cipher == '') + if ($this->_mcrypt_cipher === NULL) { return $this->_mcrypt_cipher = MCRYPT_RIJNDAEL_256; } @@ -466,7 +466,7 @@ class CI_Encrypt { */ protected function _get_mode() { - if ($this->_mcrypt_mode == '') + if ($this->_mcrypt_mode === NULL) { return $this->_mcrypt_mode = MCRYPT_MODE_CBC; } @@ -484,7 +484,7 @@ class CI_Encrypt { */ public function set_hash($type = 'sha1') { - $this->_hash_type = ($type !== 'sha1' && $type !== 'md5') ? 'sha1' : $type; + $this->_hash_type = in_array($type, hash_algos()) ? $type : 'sha1'; } // -------------------------------------------------------------------- @@ -497,7 +497,7 @@ class CI_Encrypt { */ public function hash($str) { - return ($this->_hash_type === 'sha1') ? sha1($str) : md5($str); + return hash($this->_hash_type, $str); } } |