public function process_generate_math_page()
{
$salt = get_site_option('jetpack_protect_key') . get_site_option('admin_email');
$ans = (int) $_POST['jetpack_protect_num'];
$salted_ans = sha1($salt . $ans);
$correct_ans = $_POST['jetpack_protect_answer'];
if ($salted_ans != $correct_ans) {
Jetpack_Protect_Math_Authenticate::generate_math_page(true);
} else {
$temp_pass = substr(sha1(rand(1, 100000000) . get_site_option('jetpack_protect_key')), 5, 25);
Jetpack_Protect_Module::set_transient('jpp_math_pass_' . $temp_pass, 3, DAY_IN_SECONDS);
setcookie('jpp_math_pass', $temp_pass, time() + DAY_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN, false);
return true;
}
}