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-rw-r--r--system/libraries/Encrypt.php35
1 files changed, 20 insertions, 15 deletions
diff --git a/system/libraries/Encrypt.php b/system/libraries/Encrypt.php
index abc769460..537b1ab20 100644
--- a/system/libraries/Encrypt.php
+++ b/system/libraries/Encrypt.php
@@ -27,6 +27,7 @@
* @link http://www.codeigniter.com/user_guide/libraries/encryption.html
*/
class CI_Encrypt {
+ var $encryption_key = '';
var $_hash_type = 'sha1';
var $_mcrypt_exists = FALSE;
var $_mcrypt_cipher;
@@ -43,7 +44,6 @@ class CI_Encrypt {
$this->_mcrypt_exists = ( ! function_exists('mcrypt_encrypt')) ? FALSE : TRUE;
log_message('debug', "Encrypt Class Initialized");
}
- // END CI_Encrypt()
// --------------------------------------------------------------------
@@ -61,6 +61,11 @@ class CI_Encrypt {
{
if ($key == '')
{
+ if ($this->encryption_key != '')
+ {
+ return $this->encryption_key;
+ }
+
$obj =& get_instance();
$key = $obj->config->item('encryption_key');
@@ -72,7 +77,20 @@ class CI_Encrypt {
return md5($key);
}
- // END get_key()
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Set the encryption key
+ *
+ * @access public
+ * @param string
+ * @return void
+ */
+ function set_key($key = '')
+ {
+ $this->encryption_key = $key;
+ }
// --------------------------------------------------------------------
@@ -103,7 +121,6 @@ class CI_Encrypt {
}
return base64_encode($enc);
}
- // END encode()
// --------------------------------------------------------------------
@@ -134,7 +151,6 @@ class CI_Encrypt {
return $this->_xor_decode($dec, $key);
}
- // END decode()
// --------------------------------------------------------------------
@@ -167,7 +183,6 @@ class CI_Encrypt {
return $this->_xor_merge($enc, $key);
}
- // END _xor_encode()
// --------------------------------------------------------------------
@@ -194,7 +209,6 @@ class CI_Encrypt {
return $dec;
}
- // END _xor_decode()
// --------------------------------------------------------------------
@@ -219,7 +233,6 @@ class CI_Encrypt {
return $str;
}
- // END _xor_merge()
// --------------------------------------------------------------------
@@ -238,7 +251,6 @@ class CI_Encrypt {
$init_vect = mcrypt_create_iv($init_size, MCRYPT_RAND);
return mcrypt_encrypt($this->_mcrypt_cipher, $key, $data, $this->_mcrypt_mode, $init_vect);
}
- // END mcrypt_encode()
// --------------------------------------------------------------------
@@ -257,7 +269,6 @@ class CI_Encrypt {
$init_vect = mcrypt_create_iv($init_size, MCRYPT_RAND);
return rtrim(mcrypt_decrypt($this->_mcrypt_cipher, $key, $data, $this->_mcrypt_mode, $init_vect), "\0");
}
- // END mcrypt_decode()
// --------------------------------------------------------------------
@@ -272,7 +283,6 @@ class CI_Encrypt {
{
$this->_mcrypt_cipher = $cypher;
}
- // END set_cypher()
// --------------------------------------------------------------------
@@ -287,7 +297,6 @@ class CI_Encrypt {
{
$this->_mcrypt_mode = $mode;
}
- // END set_mode()
// --------------------------------------------------------------------
@@ -309,7 +318,6 @@ class CI_Encrypt {
$this->_mcrypt_mode = MCRYPT_MODE_ECB;
}
}
- // END _get_mcrypt()
// --------------------------------------------------------------------
@@ -324,7 +332,6 @@ class CI_Encrypt {
{
$this->_hash_type = ($type != 'sha1' AND $type != 'md5') ? 'sha1' : $type;
}
- // END set_hash()
// --------------------------------------------------------------------
@@ -339,7 +346,6 @@ class CI_Encrypt {
{
return ($this->_hash_type == 'sha1') ? $this->sha1($str) : md5($str);
}
- // END hash()
// --------------------------------------------------------------------
@@ -370,7 +376,6 @@ class CI_Encrypt {
return sha1($str);
}
}
- // END sha1()
}