HMAC(myself->digest, myself->key, myself->keylength, (char *)&inpkt->seqno, inpkt->len, hmac, NULL);
if(memcmp(hmac, (char *)&inpkt->seqno + inpkt->len, myself->maclength))
{
HMAC(myself->digest, myself->key, myself->keylength, (char *)&inpkt->seqno, inpkt->len, hmac, NULL);
if(memcmp(hmac, (char *)&inpkt->seqno + inpkt->len, myself->maclength))
{