On Wed, Apr 13, 2022 at 3:51 PM Benjamin Kaduk <bka...@akamai.com> wrote:

> On Wed, Apr 13, 2022 at 10:56:49AM -0700, Eric Rescorla wrote:
> > Consider the case where the client wants to offer some capability that
> > the server then responds to with real data, rather than just an
> > acknowledgement.
> >
> > For instance, supposing the SCT extension from RFC 6962 did not exist,
> > the client would want to indicate support in CH and the server would
> > send the SCT in CERT, but this extension would need to be non-empty
> > and hence not a flag. draft-ietf-tls-tlsflags-09 seems a bit
> > uncelar on this point (unless I'm missing it) but I think we
> > should explicitly allow it.
>
> In my head this was already disallowed.  I couldn't swear to whether
> we actually talked about it previously or not, though.
>

That's certainly possible, though I couldn't find text one way or another

-Ekr
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