Hi Med,

I have addressed your comments and other IESG comments here:
https://github.com/cose-wg/draft-ietf-cose-dilithium/pull/26

Let me know if I missed anything.

Inline for the rest.

On Wed, Oct 1, 2025 at 1:39 PM Mohamed Boucadair via Datatracker <
[email protected]> wrote:

> Mohamed Boucadair has entered the following ballot position for
> draft-ietf-cose-dilithium-09: No Objection
>
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>
>
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
> Hi Michael and Orie,
>
> Thanks for the effort put into this specification.
>
> Thanks also to Tiru Tirumaleswar Reddy for the OPSDIR review and to the
> authors
> for engaging and proposing changes. I went through
> https://github.com/cose-wg/draft-ietf-cose-dilithium/pull/25/files and
> trust
> this PR will be merged. The explanation about the seed only design choice
> and
> also calling out some ML-DSA deployment challenges are appreciated.
>

Agreed, I should have merged this sooner, it is merged now.


>
> I also trust the examples were validated.
>

They are generated here:
https://github.com/cose-wg/draft-ietf-cose-dilithium/tree/main/examples
I'm still fearful I've made mistakes in these, so for anyone reading this,
if you want to ❌✅ cross check me, its very much appreciated.


> I have very minor comments:
>
> # Redundant IANA considerations
>
> Not sure why IANA requests are repeated twice in the document (Sections
> 3/4/5
> and then IANA Section). I think it is better to have this in one single
> place.
>

Done.


>
> # Who is the target of this guidance?
>
> CURRENT:
>    When registering new algorithms, use of multiple key type parameters
>    for private information is NOT RECOMMENDED.
>

This guidance is directed towards specification authors who are using this
key type with new algorithms (for example SPHINCS Plus / Falcon)... but
really it's towards anyone considering making a private key format,
optionality is dangerous there.
I did add some text to try to make this clearer.


>
> # Citations
>
> Several RFCs are provided in the text but are not cited as references,
> e.g.,
> RFC 9054 and RFC 7518. Please check through the doc.
>

Thank you, I think I have addressed these.


>
> # Regional Matters
>
> Please s/FIPS 204/US FIPS 204 in the abstract and s/NIST/US NIST in
> Section 4
>

Done.


>
> Cheers,
> Med
>
>
>
>
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