/**
* Encrypts a message.
*
* @access public
* @see \Topxia\Service\Util\Phpsec\Crypt\Base::decrypt()
* @see \Topxia\Service\Util\Phpsec\Crypt\RC4::_crypt()
*
* @param String $plaintext
* @return String $ciphertext
*/
public function encrypt($plaintext)
{
if ($this->engine != Base::ENGINE_INTERNAL) {
return parent::encrypt($plaintext);
}
return $this->_crypt($plaintext, self::ENCRYPT);
}
/**
* Decrypts a message.
*
* Mostly a wrapper for Crypt_Base::decrypt, with some additional OpenSSL handling code
*
* @access public
* @see encrypt()
*
* @param String $ciphertext
* @return String $plaintext
*/
public function decrypt($ciphertext)
{
if ($this->engine == self::ENGINE_OPENSSL) {
$temp = $this->key;
$this->key = $this->orig_key;
$result = parent::decrypt($ciphertext);
$this->key = $temp;
return $result;
}
return parent::encrypt($ciphertext);
}
