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-rw-r--r--system/libraries/Encrypt.php16
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);
}
}