[CHANNEL-BINDING] Re: draft-ietf-sasl-gs2 AD review comments

>>>>> "Nicolas" == Nicolas Williams <Nicolas.Williams@sun.com> writes:

    Nicolas> On Tue, Oct 09, 2007 at 03:59:31PM -0400, Sam Hartman
    Nicolas> wrote:
    Simon> I thought that channel binding data had to contain a unique
    Simon> prefix which would appears to solve that problem, without
    Simon> having to require that protocols encode the channel binding
    Simon> type too.  If my assumption is correct, it would be useful
    Simon> to clarify this in d-w-on-channel-binding.  No change in
    Simon> GS2 seems necessary.  Nico?
    >>  I thought it was the responsibility of the
    >> application|framework to add the unique prefix.  The channel
    >> binding base draft provides a registry for this prefix, but I
    >> thought that the channel binding description did not include
    >> this prefix and left it up to the application.  If the channel
    >> binding format must include the prefix then I think we need to
    >> change the channel binding base draft.

    Nicolas> Sam is correct.  

Ah, good.
It's always reassuring when I understand drafts I sponsor.

    Nicolas> In any case, I don't think the channel
    Nicolas> providing the bindings should be providing the prefix.

I don't see why this is true.  I'm with Nico; could go either way.

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