$mod = base64_url_decode($matches[1]);
$exp = base64_url_decode($matches[2]);
- if ($matches[4]) {
+ if (!empty($matches[4])) {
$private_exp = base64_url_decode($matches[4]);
+ } else {
+ $private_exp = false;
}
$params['public_key'] = new Crypt_RSA_KEY($mod, $exp, 'public');