const u8 *data, size_t data_len,
const u8 *secret, size_t secret_len);
int radius_msg_get_attr(struct radius_msg *msg, u8 type, u8 *buf, size_t len);
const u8 *data, size_t data_len,
const u8 *secret, size_t secret_len);
int radius_msg_get_attr(struct radius_msg *msg, u8 type, u8 *buf, size_t len);