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Re: [COSE] questions for the WG from 8152bis AUTH48

Ilari Liusvaara <ilariliusvaara@welho.com> Fri, 18 February 2022 18:36 UTC

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Date: Fri, 18 Feb 2022 20:36:46 +0200
From: Ilari Liusvaara <ilariliusvaara@welho.com>
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Subject: Re: [COSE] questions for the WG from 8152bis AUTH48
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On Thu, Feb 17, 2022 at 08:59:49PM -0800, Benjamin Kaduk wrote:
> Hi all,
> 
> The chairs and I are continuing to work through the AUTH48 process for the
> 8152bis drafts, and a couple topics have come up that would benefit from
> some broader input.
> 
> The other question is in -algs; in
> https://datatracker.ietf.org/doc/html/draft-ietf-cose-rfc8152bis-algs#section-8

On -algs, looks like table 16 in section 6.4.1. is inconsistent about
the KDF used. The KDF field lists HKDF, but description says Concat
KDF. I believe the HKDF is correct. This has then gotten copied into
the IANA registry, except the IANA registry does not seem to have the
KDF column, so IANA registry claims those codepoints are using Concat
KDF, which I do not think is correct.



-Ilari

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