/**
* @param CurveFpInterface $curve
* @param string $data
* @return PointInterface
*/
public function unserialize(CurveFpInterface $curve, $data)
{
if (substr($data, 0, 2) != '04') {
throw new \InvalidArgumentException('Invalid data: only uncompressed keys are supported.');
}
$data = substr($data, 2);
$dataLength = strlen($data);
$x = $this->adapter->hexDec(substr($data, 0, $dataLength / 2));
$y = $this->adapter->hexDec(substr($data, $dataLength / 2));
return $curve->getPoint($x, $y);
}
private function add(MathAdapterInterface $math, CurveFpInterface $c, $x1, $y1, $x2, $y2, $x3, $y3)
{
$p1 = $c->getPoint($x1, $y1);
$p2 = $c->getPoint($x2, $y2);
$p3 = $p1->add($p2);
$this->assertEquals($math->mod($p3->getX(), 23), $x3);
$this->assertEquals($math->mod($p3->getY(), 23), $y3);
}
