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Re: [COSE] Benjamin Kaduk's Yes on draft-ietf-cose-rfc8152bis-struct-14: (with COMMENT)

Matthew Miller <linuxwolf+ietf@outer-planes.net> Wed, 07 October 2020 15:52 UTC

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From: Matthew Miller <linuxwolf+ietf@outer-planes.net>
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Date: Wed, 07 Oct 2020 09:52:26 -0600
Cc: Benjamin Kaduk <kaduk@mit.edu>, The IESG <iesg@ietf.org>, draft-ietf-cose-rfc8152bis-struct@ietf.org, cose-chairs@ietf.org, cose <cose@ietf.org>
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References: <160204883573.26847.11501294022082441021@ietfa.amsl.com> <DA9F6635-5773-4921-ACCE-B0BDCB6C06FF@tzi.org>
To: Carsten Bormann <cabo@tzi.org>
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Subject: Re: [COSE] Benjamin Kaduk's Yes on draft-ietf-cose-rfc8152bis-struct-14: (with COMMENT)
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> On Oct 7, 2020, at 7:14 AM, Carsten Bormann <cabo@tzi.org> wrote:
> 
> On 2020-10-07, at 07:33, Benjamin Kaduk via Datatracker <noreply@ietf.org> wrote:
>> 
>> It seems that https://www.rfc-editor.org/errata/eid5066 needs to be
>> incorporated still (and the report verified, presuming it is correct).
> 
> COSE_KDF_Context is defined in -algs, not -struct.
> 
> -algs has Section 9, which implements the addition intended by the errata.
> (-struct has its own Section 9, covering the other structures).
> 
> So it seems the errata report is applied in -algs.
> It could also be verified for RFC 8152.
> 
> Grüße, Carsten
> 


Carsten's interpretation of this errata looks correct to me: -rfc1852bis-algs defines the COSE_KDF_Context struct and § 9 discusses the encoding restrictions for that structure.

This erratum should be marked verified.


- m&m
Matthew A. Miller

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