private function newCookie()
{
$randomStringGenerator = new generateRandomString(30, true, 50, 300);
$randomString = $randomStringGenerator->run();
$this->key = Hasher::generateHmacHash($randomString) . " # " . $randomString;
$aSingleDay = 24 * 60 * 60;
$cookieExpireTime = time() + $aSingleDay;
setcookie("educaskS", $this->key, $cookieExpireTime, null, null, null, true);
}