/**
* @dataProvider getVectors
* @param string $curveName
* @param string|int $multiplier
* @param string $expectedPub
*/
public function testSerialize($curveName, $multiplier, $expectedPub)
{
/** @var GeneratorPoint $generator */
$generator = Curves::generator($curveName);
$privateKey = $generator->getPrivateKeyFrom(gmp_init($multiplier, 10));
$public = $privateKey->getPublicKey();
$adapter = EccFactory::getAdapter();
$serializer = new SshPublicKeySerializer($adapter, new UncompressedPointSerializer($adapter));
$serialized = $serializer->serialize($curveName, $public);
$this->assertEquals($expectedPub, $serialized);
list($curve, $publicKey) = $serializer->unserialize($serialized);
$this->assertTrue($public->getPoint()->equals($publicKey->getPoint()));
}
/**
* @param InputInterface $input
* @param OutputInterface $output
* @param QuestionHelper $helper
* @param string $curveName
* @param bool $useEncryption
* @return array
*/
public function generateKeyData(InputInterface $input, OutputInterface $output, QuestionHelper $helper, $curveName, $useEncryption)
{
if (!is_bool($useEncryption)) {
throw new \InvalidArgumentException('useEncryption parameter must be a boolean');
}
/**
* @var GeneratorPoint $generator
*/
list(, $generator) = Curves::load($curveName);
$key = $generator->createPrivateKey();
if ($useEncryption) {
$password = $this->promptForPassword($input, $output, $helper);
$encrypted = new EncryptedPrivateKey($key, 'AES-128-CBC', random_bytes(16));
$serializer = new EncryptedPrivateKeySerializer(new DerPrivateKeySerializer());
$keyData = $serializer->serialize($encrypted, $password);
} else {
$serializer = new PemPrivateKeySerializer(new DerPrivateKeySerializer());
$keyData = $serializer->serialize($key);
}
$adapter = EccFactory::getAdapter();
$publicKey = $key->getPublicKey();
$publicSerializer = new SshPublicKeySerializer($adapter, new UncompressedPointSerializer($adapter));
$publicData = $publicSerializer->serialize($curveName, $publicKey);
$localUser = posix_getpwuid(posix_geteuid());
$localHost = gethostname();
$publicData = sprintf("ecdsa-sha2-%s %s %s@%s\n", $curveName, $publicData, $localUser['name'], $localHost);
return [$keyData, $publicData];
}