public function update($key, $data, $updateTimestamp = true)
{
$data = $this->cypher->encrypt($data, $this->symmetricKey);
return parent::update($key, $data, $updateTimestamp);
}
/**
* Encrypts the payload data.
*
* @param multitype $data the data to encrypt (must be serialized and base64 encoded)
* @param string $key the key generated by <code>createKey()</code>
* @return string the encrypted data
*/
private function encrypt($data, $key)
{
return $this->symmetricCypher->encrypt($data, $key);
}
