/**
* @see AbstractKeyInstance::serializeToObject($obj)
*/
protected function serializeToObject(&$obj)
{
$obj["p"] = $this->key_p->toHex();
$obj["q"] = $this->key_q->toHex();
$obj["g"] = $this->key_g->toHex();
$obj["y"] = $this->key_y->toHex();
}