Provides two-way keyed encryption via PHP's MCrypt and/or OpenSSL extensions.
/**
* Class constructor
*
* @param array $params Configuration parameters
* @return void
*/
public function __construct(array $params = array())
{
$this->_drivers = array('mcrypt' => defined('MCRYPT_DEV_URANDOM'), 'openssl' => is_php('5.3.3') && extension_loaded('openssl'));
if (!$this->_drivers['mcrypt'] && !$this->_drivers['openssl']) {
show_error('Encryption: Unable to find an available encryption driver.');
}
isset(self::$func_override) or self::$func_override = extension_loaded('mbstring') && ini_get('mbstring.func_override');
$this->initialize($params);
if (!isset($this->_key) && self::strlen($key = config_item('encryption_key')) > 0) {
$this->_key = $key;
}
log_message('info', 'Encryption Class Initialized');
}
/**
* Constructor
*/
public function __construct()
{
parent::__construct();
// Set cipher to blowfish by default
$this->_cipher = 'blowfish';
}
