/**
* @param Pbkdf2Params $params
* @return Sequence
*/
public function getAsn(Pbkdf2Params $params)
{
$inner = new Sequence(new OctetString(unpack("H*", $params->getSalt())[1]), new Integer($params->getIterationCount()));
if ($params->getKeyLength() !== null) {
$inner[] = new Integer($params->getKeyLength());
}
if ($params->getMethod() !== null) {
$inner[] = new AlgorithmIdentifier(Pbkdf2AlgoOidMapper::getOidByName($params->getMethod())->getContent());
}
return new Sequence(DigestOidMapper::getOidByName(Pbkdf2Factory::NAME_PBKDF2), $inner);
}
public function testInstance()
{
$method = Pbkdf2Factory::PBKDF2_WITH_SHA256;
$salt = 'abcd01234';
$iterCount = 1000;
$keyLength = 32;
$params = new Pbkdf2Params($method, $salt, $iterCount, $keyLength);
$this->assertEquals($method, $params->getMethod());
$this->assertEquals($salt, $params->getSalt());
$this->assertEquals($iterCount, $params->getIterationCount());
$this->assertEquals($keyLength, $params->getKeyLength());
}