In the context of RFC9162 inclusion and consistency proofs, if there is consensus to make both payloads detached, I'm fine with MUST.
In general, I don't think detached payloads should be required for all data structures and proof types. Each registered structure and proof type should be able to specify the COSE structures necessary to support it, and we should leave that specification to the documents that add to the registry. If we feel it's important to constrain registration, we can consider adding guidance to the designated experts, advising them to reject registrations that encourage the use of attached payloads, but I don't think that is necessary. Regards, OS On Wed, Aug 7, 2024, 4:02 PM A.J. Stein <[email protected]> wrote: > On Wed, Aug 7, 2024 at 9:36 AM Orie Steele <[email protected]> > wrote: > >> Felix and Robin, thank you for your comments on this document, and >> especially the pull requests! >> >> I'm fine recommending both payload's be detached for consistency if that >> is what the group recommends. >> >> I filed >> https://github.com/cose-wg/draft-ietf-cose-merkle-tree-proofs/issues/30 >> to track these discussions. >> >> I hope others will comment on this issue. >> >> Are there any objections to recommending the payload be detached for >> consistency proofs? >> > > Just to be clear: should or must be detached for consistency proofs; > should or must be detached for inclusion proofs? Per 5.2.1 inclusion proofs > MUST have detached payloads not SHOULD. Did I understand correctly? I ask > because your email is very clear, and the shorthand summary in the GitHub > issue says "both inclusion and consistency proofs should have detached > payloads" and I wanted to circle back here and confirm the only change > would be consistency proofs, like your previous email said. > > For the record, I do not have objections but did a double take when > reading this email and the issue #30 I left open in another browser tab > earlier today. > > Thanks to those proposing changes and authors quickly accepting feedback > with consensus. >
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