+ /* Remove old keys and stuff. The channel may remain even after leaving
+ but we want to remove these always. */
+ if (channel->internal.send_key)
+ silc_cipher_free(channel->internal.send_key);
+ channel->internal.send_key = NULL;
+ if (channel->internal.receive_key)
+ silc_cipher_free(channel->internal.receive_key);
+ channel->internal.receive_key = NULL;
+ if (channel->internal.hmac)
+ silc_hmac_free(channel->internal.hmac);
+ channel->internal.hmac = NULL;
+ if (channel->internal.old_channel_keys) {
+ silc_dlist_start(channel->internal.old_channel_keys);
+ while ((key = silc_dlist_get(channel->internal.old_channel_keys)))
+ silc_cipher_free(key);
+ silc_dlist_uninit(channel->internal.old_channel_keys);
+ }
+ channel->internal.old_channel_keys = NULL;
+ if (channel->internal.old_hmacs) {
+ silc_dlist_start(channel->internal.old_hmacs);
+ while ((hmac = silc_dlist_get(channel->internal.old_hmacs)))
+ silc_hmac_free(hmac);
+ silc_dlist_uninit(channel->internal.old_hmacs);
+ }
+ channel->internal.old_hmacs = NULL;
+