/**
* @return PrivateKey
*/
public function createPrivateKey()
{
$secret = $this->generator->generate($this->getOrder());
return new PrivateKey($this->getAdapter(), $this, $secret);
}
/**
* @dataProvider getAdaptersWithRand
*/
public function testSignatureValidityWithGeneratedKeys(MathAdapterInterface $math, RandomNumberGeneratorInterface $rng)
{
$generator = EccFactory::getNistCurves($math)->generator192();
$signer = new Signer($math);
$privateKey = $generator->createPrivateKey();
$publicKey = $privateKey->getPublicKey();
$randomK = $rng->generate($privateKey->getPoint()->getOrder());
$hash = $rng->generate($generator->getOrder());
$signature = $signer->sign($privateKey, $hash, $randomK);
$this->assertTrue($signer->verify($publicKey, $signature, $hash), 'Correctly validates valid hash.');
$this->assertFalse($signer->verify($publicKey, $signature, $math->sub($hash, 1)), 'Correctly rejects tampered hash.');
}
