TLS13_MT_CERTIFICATE
if (tls13_handshake_msg_type(ctx->hs_msg) == TLS13_MT_CERTIFICATE) {
.handshake_type = TLS13_MT_CERTIFICATE,
case TLS13_MT_CERTIFICATE:
(msg_type != TLS13_MT_CERTIFICATE ||
.handshake_type = TLS13_MT_CERTIFICATE,