public function testConditionalSwap()
{
$a = '104564512312317874865';
$b = '04156456456456456456';
$curve = new CurveFp(23, 1, 1, new Gmp());
$point = $curve->getPoint(13, 7, 7);
$point->cswapValue($a, $b, false);
$this->assertEquals('104564512312317874865', $a);
$this->assertEquals('4156456456456456456', $b);
$point->cswapValue($a, $b, true);
$this->assertEquals('104564512312317874865', $b);
$this->assertEquals('4156456456456456456', $a);
$point->cswapValue($a, $b, false);
$this->assertEquals('104564512312317874865', $b);
$this->assertEquals('4156456456456456456', $a);
}
/**
* @param int|string $name
* @param int|string $prime
* @param int|string $a
* @param MathAdapterInterface $b
* @param MathAdapterInterface $adapter
*/
public function __construct($name, $prime, $a, $b, MathAdapterInterface $adapter)
{
$this->name = $name;
parent::__construct($prime, $a, $b, $adapter);
}
/**
*
* @dataProvider getAdapters
*/
public function testInfinity(MathAdapterInterface $math)
{
$c = new CurveFp(23, 1, 1, $math);
$g = $c->getPoint(13, 7, 7);
$check = $c->getInfinity();
for ($i = 0; $i < 8; $i++) {
$mul = $i % 7;
$p = $g->mul($mul);
$this->assertTrue($check->equals($p), "{$g} * {$mul} = {$p}, expected {$check}");
$check = $g->add($check);
}
}