On Thu, Dec 10, 2015 at 12:40 PM, John Foley <fol...@cisco.com> wrote:
> While reviewing the latest TLS 1.3 draft (revision 10), the description in > section 6.3.3 uses the following wording: > > When this message will be sent: > > If this message is sent, it MUST be sent immediately after the > ServerHello message. This is the first message that is encrypted > under keys derived from ES. > > > The use of the word "if" implies this is an optional message. However, > Figure 1 in section 6.2 implies the EncryptedExtensions message is not > optional since it's not footnoted with an asterisk. The asterisk footnote > is described as: > > Indicates optional or situation-dependent messages that are not always > sent. > > > Can anyone comment on whether the EncryptedExtensions message is > optional? If it is, should Figure 1 be updated to reflect this? Or, should > the the text in section 6.3.3 be updated to indicated this message is > required? > > This is an important detail for implementors, since the client-side state > machine will need to know whether to expect the EncryptedExtensions message > after the ServerHello, or to expect another one of the subsequent messages. > Yes, I agree. It is mandatory. Pilot error on my part. -Ekr > _______________________________________________ > TLS mailing list > TLS@ietf.org > https://www.ietf.org/mailman/listinfo/tls >
_______________________________________________ TLS mailing list TLS@ietf.org https://www.ietf.org/mailman/listinfo/tls
