radius_get_mppe_send_key_attr
int radius_get_mppe_send_key_attr(const RADIUS_PACKET *, void *,
radius_get_mppe_send_key_attr(packet, buf1, &len1, secret) == 0) {
CHECK(radius_get_mppe_send_key_attr(packet, plain, &plen, "sharedsecret") == 0);