public function pbkdf2TestVectorsAreCorrect($password, $salt, $iterationCount, $derivedKeyLength, $output)
{
$result = Algorithms::pbkdf2($password, $salt, $iterationCount, $derivedKeyLength, 'sha1');
$this->assertEquals(unpack('H*', pack('H*', $output)), unpack('H*', $result));
}