Thanks for taking the time to review the document and for your useful 
suggestions, Ines!  FYI, we published 
https://www.ietf.org/archive/id/draft-ietf-cose-cwt-claims-in-headers-07.html 
to address the Last Call comments received.

I've responded to your comments inline below, with responses prefixed by 
"Mike>".

-----Original Message-----
From: Ines Robles via Datatracker <[email protected]>
Sent: Tuesday, October 17, 2023 1:45 PM
To: [email protected]
Cc: [email protected]; [email protected]; 
[email protected]
Subject: Genart last call review of draft-ietf-cose-cwt-claims-in-headers-06

Reviewer: Ines Robles
Review result: Ready with Issues

I am the assigned Gen-ART reviewer for this draft. The General Area Review Team 
(Gen-ART) reviews all IETF documents being processed by the IESG for the IETF 
Chair.  Please treat these comments just like any other last call comments.

For more information, please see the FAQ at

<https://wiki.ietf.org/en/group/gen/GenArtFAQ>.

Document: draft-ietf-cose-cwt-claims-in-headers-06
Reviewer: Ines Robles
Review Date: 2023-10-17
IETF LC End Date: 2023-10-20
IESG Telechat date: Not scheduled for a telechat

Summary:

This document describes how to include CBOR Web Token (CWT) claims in the 
header parameters of any COSE structure.

The document is well written, I have minor issues, nits indicated below.

Major issues: None

Minor issues:

1- Section 3: "Some of the registered CWT claims may contain privacy-sensitive 
information. Therefore care must be taken when expressing CWT claims in COSE 
headers." --> What kind of care?, there is some specific guidelines to follow?
could you add an example? or add some reference?

Mike> We expanded the description in the Privacy Considerations section.

2- Section 4:

Detached Signatures: The security section does not delve into the security 
considerations of using detached signatures. Since detached signatures are one 
focus of the functionality, it might be helpful to discuss the security 
implications specific to them.

Mike> We added a Security Consideration on detached signatures.

Claims in Headers: Considering that some claims can be available before 
decryption or without inspecting the payload, perhaps it would be nice to 
discuss the risks associated with exposing claims in this manner, or add 
reference?

Mike> We added a Privacy Consideration about unencrypted claims in header 
parameters.

Data Consistency: Is there a security angle to ensuring that claims present 
both in the payload and header are identical, beyond just verification?.

Mike> We added a Security Consideration about claims that are present in both 
the payload and the header of a CWT.

It seems that these items are not included in the security considerations of 
RFC 8392, What do you think?

Mike> See the enhanced Privacy Considerations and Security Considerations 
sections.

Nits/editorial comments:

3- It would be nice to expand JWT the first time of use -> JSON Web Token (JWT)

Mike> Done!

4- It would be nice to have a caption for Table 1

Mike> Neither of the authors could figure out how to do this.  
https://thesynack.com/posts/markdown-captions/ says "The truth is that, as of 
now, captions are not part of the original Markdown specifications, nor are 
they part of the more modern CommonMark specifications."  Once we're working 
with the RFC Editor on XML source, we can add it then.

5- Table 1: "TBD (requested assignment 13)", the 13 was assigned to kcwt, so 
maybe suggest another value?

Mike> Now 15

Thanks for this document,

Mike> You're welcome!

Ines.

                                Thanks again,
                                -- Mike

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