346     struct sshmac *mac, u_int packet_length, u_int discard)  in ssh_packet_start_discard()  argument
351 	if (enc == NULL || !cipher_is_cbc(enc->cipher) || (mac && mac->etm)) {  in ssh_packet_start_discard()
356 	if (packet_length != PACKET_MAX_SIZE && mac && mac->enabled)  in ssh_packet_start_discard()
357 		state->packet_discard_mac = mac;  in ssh_packet_start_discard()
920 	struct sshmac *mac;  in ssh_set_newkeys()  local
945 		mac  = &state->newkeys[mode]->mac;  in ssh_set_newkeys()
947 		mac_clear(mac);  in ssh_set_newkeys()
950 		explicit_bzero(mac->key, mac->key_len);  in ssh_set_newkeys()
954 		free(mac->name);  in ssh_set_newkeys()
955 		free(mac->key);  in ssh_set_newkeys()
964 	mac  = &state->newkeys[mode]->mac;  in ssh_set_newkeys()
967 		if ((r = mac_init(mac)) != 0)  in ssh_set_newkeys()
970 	mac->enabled = 1;  in ssh_set_newkeys()
1062 	struct sshmac *mac   = NULL;  in ssh_packet_send2_wrapped()  local
1068 		mac  = &state->newkeys[MODE_OUT]->mac;  in ssh_packet_send2_wrapped()
1072 			mac = NULL;  in ssh_packet_send2_wrapped()
1075 	aadlen = (mac && mac->enabled && mac->etm) || authlen ? 4 : 0;  in ssh_packet_send2_wrapped()
1148 	if (mac && mac->enabled && !mac->etm) {  in ssh_packet_send2_wrapped()
1149 		if ((r = mac_compute(mac, state->p_send.seqnr,  in ssh_packet_send2_wrapped()
1164 	if (mac && mac->enabled) {  in ssh_packet_send2_wrapped()
1165 		if (mac->etm) {  in ssh_packet_send2_wrapped()
1167 			if ((r = mac_compute(mac, state->p_send.seqnr,  in ssh_packet_send2_wrapped()
1173 		if ((r = sshbuf_put(state->output, macbuf, mac->mac_len)) != 0)  in ssh_packet_send2_wrapped()
1542 	struct sshmac *mac   = NULL;  in ssh_packet_read_poll2()  local
1553 		mac  = &state->newkeys[MODE_IN]->mac;  in ssh_packet_read_poll2()
1557 			mac = NULL;  in ssh_packet_read_poll2()
1559 	maclen = mac && mac->enabled ? mac->mac_len : 0;  in ssh_packet_read_poll2()
1561 	aadlen = (mac && mac->enabled && mac->etm) || authlen ? 4 : 0;  in ssh_packet_read_poll2()
1603 			return ssh_packet_start_discard(ssh, enc, mac,  in ssh_packet_read_poll2()
1626 		return ssh_packet_start_discard(ssh, enc, mac,  in ssh_packet_read_poll2()
1644 	if (mac && mac->enabled && mac->etm) {  in ssh_packet_read_poll2()
1645 		if ((r = mac_compute(mac, state->p_read.seqnr,  in ssh_packet_read_poll2()
1662 	if (mac && mac->enabled) {  in ssh_packet_read_poll2()
1663 		if (!mac->etm)  in ssh_packet_read_poll2()
1664 			if ((r = mac_compute(mac, state->p_read.seqnr,  in ssh_packet_read_poll2()
1670 		    mac->mac_len) != 0) {  in ssh_packet_read_poll2()
1674 			return ssh_packet_start_discard(ssh, enc, mac,  in ssh_packet_read_poll2()
1679 		if ((r = sshbuf_consume(state->input, mac->mac_len)) != 0)  in ssh_packet_read_poll2()
2368 	struct sshmac *mac;  in newkeys_to_blob()  local
2375 	mac = &newkey->mac;  in newkeys_to_blob()
2392 		if ((r = sshbuf_put_cstring(b, mac->name)) != 0 ||  in newkeys_to_blob()
2393 		    (r = sshbuf_put_u32(b, mac->enabled)) != 0 ||  in newkeys_to_blob()
2394 		    (r = sshbuf_put_string(b, mac->key, mac->key_len)) != 0)  in newkeys_to_blob()
2481 	struct sshmac *mac;  in newkeys_from_blob()  local
2496 	mac = &newkey->mac;  in newkeys_from_blob()
2507 		if ((r = sshbuf_get_cstring(b, &mac->name, NULL)) != 0)  in newkeys_from_blob()
2509 		if ((r = mac_setup(mac, mac->name)) != 0)  in newkeys_from_blob()
2511 		if ((r = sshbuf_get_u32(b, (u_int *)&mac->enabled)) != 0 ||  in newkeys_from_blob()
2512 		    (r = sshbuf_get_string(b, &mac->key, &maclen)) != 0)  in newkeys_from_blob()
2514 		if (maclen > mac->key_len) {  in newkeys_from_blob()
2518 		mac->key_len = maclen;  in newkeys_from_blob()