sizeof (state_cookie->creation_time), md, NULL);
HMAC_Update (ctx, (const unsigned char *) &sctp_conn, sizeof (sctp_conn));
HMAC_Final (ctx, state_cookie->mac, &len);
sizeof (state_cookie->creation_time), md, NULL);
HMAC_Update (ctx, (const unsigned char *) &sctp_conn, sizeof (sctp_conn));
HMAC_Final (ctx, state_cookie->mac, &len);