Hi Mike, all,

On Tue, 27 Aug 2024 at 18:03, Michael Jones <[email protected]> wrote:
>
> This time the WGLC generated a lot of responses.  Thanks to all who 
> participated!

Yes, thank you indeed.

> Editors, please the chairs know when you believe that you have addressed the 
> working group last call feedback.

We are currently reviewing the feedback received and plan to publish
an updated version soon.

We believe we have identified a reasonable way forward for all the
items, except for one: Leonard's/C2PA need to accommodate multiple
TSTs associated with the same datum.

The solution to this issue is technically straightforward.  We change
the header's CBOR type from `bytes` to `bytes / [ 2* bytes ]` and then
let the application policy dictate how to use multiple TST values. In
fact, Orie has already sent us a couple of PRs [1], [2].  However,
it's important for us to first understand the underlying use case.

Leonard (and others who may have similar usage scenarios), could you
please help us with this?

cheers!

[1] 
https://github.com/ietf-scitt/draft-birkholz-cose-tsa-tst-header-parameter/pull/28
[2] 
https://github.com/ietf-scitt/draft-birkholz-cose-tsa-tst-header-parameter/pull/29

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