Function sctp_clear_cachedkeys

freebsd/netinet/sctp_auth.c:1144–1158

- * clear any cached key(s) if they match the given key id on an association. * the cached key(s) will be recomputed and re-cached at next use. * ASSUMES TCB_LOCK is already held */

 * ASSUMES TCB_LOCK is already held
 */
void
sctp_clear_cachedkeys(struct sctp_tcb *stcb, uint16_t keyid)
{
	if (stcb == NULL)
		return;

	if (keyid == stcb->asoc.authinfo.assoc_keyid) {
		sctp_free_key(stcb->asoc.authinfo.assoc_key);
		stcb->asoc.authinfo.assoc_key = NULL;
	}
	if (keyid == stcb->asoc.authinfo.recv_keyid) {
		sctp_free_key(stcb->asoc.authinfo.recv_key);
		stcb->asoc.authinfo.recv_key = NULL;
	}
}

/*-
 * clear any cached key(s) if they match the given key id for all assocs on