hex2raw
if (hex2raw(key + 2, (unsigned char *)buf, *keylen)) {
if (hex2raw(key, *data, datalen)) {
if (hex2raw(cookies_str, cookies, ISAKMP_HDR_COOKIES_LEN) == -1 ||
(message_id && hex2raw(message_id_str, message_id_buf,
extern int hex2raw(char *, u_int8_t *, size_t);
ret = hex2raw(cert, buf, plen);