Re: [COSE] Pull-request addressing issues #29 #30 #31 #33 in draft-ietf-cose-x509-08

Michael Richardson <mcr+ietf@sandelman.ca> Fri, 12 March 2021 21:35 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: John Mattsson <john.mattsson=40ericsson.com@dmarc.ietf.org>, Carsten Bormann <cabo@tzi.org>, cose <cose@ietf.org>
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Comments: In-reply-to John Mattsson <john.mattsson=40ericsson.com@dmarc.ietf.org> message dated "Fri, 12 Mar 2021 07:35:32 +0000."
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Date: Fri, 12 Mar 2021 16:35:34 -0500
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Subject: Re: [COSE] Pull-request addressing issues #29 #30 #31 #33 in draft-ietf-cose-x509-08
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John Mattsson <john.mattsson=40ericsson.com@dmarc.ietf.org> wrote:
    > New comment from Laurance on GitHub pointing out that
    > proof-of-possesion is not enough. I think this point to that COSE
    > integrity protection of the end-entity certificate needs to be MUST.

I think that the example is incorrect.

If we have to protect End-Entity certificates, then we can just put in public
keys and save hundreds of bytes.

--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-