On Mon, Dec 02, 2019 at 07:17:32PM +0800, Xuan k wrote: > Hi Ben, > > Thanks for your reply. But we understand may not be the same. > > Since ACK messages are not retransmitted, I think they should not consume > message_seqs. > If an ACK really use a message_seq and it is lost in network, new handshake > records will > always use a larger message_seq than the peer expected (next_receive_seq). > The peer will unable to continue the handshake process.
You are correct; they should not and do not. But in an early version of the draft the ACK messages used the same data structure that has an associated message_seq, and as you note, that was problematic, so it was changed. -Ben _______________________________________________ TLS mailing list TLS@ietf.org https://www.ietf.org/mailman/listinfo/tls
