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Re: [sacm] [Rats] [Suit] CoSWID and EAT and CWT

Kathleen Moriarty <kathleen.moriarty.ietf@gmail.com> Mon, 02 December 2019 18:15 UTC

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From: Kathleen Moriarty <kathleen.moriarty.ietf@gmail.com>
Date: Mon, 02 Dec 2019 13:15:08 -0500
Message-ID: <CAHbuEH7t7qAiDRBOrRL0inqzB4htvyyPBrd-iT3kKcFN1=PdQg@mail.gmail.com>
To: Michael Richardson <mcr+ietf@sandelman.ca>
Cc: "suit@ietf.org" <suit@ietf.org>, sacm <sacm@ietf.org>, "rats@ietf.org" <rats@ietf.org>
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Subject: Re: [sacm] [Rats] [Suit] CoSWID and EAT and CWT
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On Mon, Dec 2, 2019 at 11:51 AM Michael Richardson <mcr+ietf@sandelman.ca>
wrote:

>
> Brendan Moran <Brendan.Moran@arm.com> wrote:
>     > Thanks for bringing this to my attention. I'm not sure that I
>     > understand the goal of using a CWT for a CoSWID or a SUIT
>     > manifest. Would you be able to elaborate on why we should use CWT?
>
> I'm also in need of a diagram of how CoSWID and SUIT manifests and RATS EAT
> interact.   I feel that the (optional) layer of signature in the CoSWID is
> causing us to lose the forest for the trees...
>

I see why you might want a CoSWID or SWID in a CWT or EAT, but don't see
the mapping for SUIT being preferred to CoSWID or SWID.

Best regards,
Kathleen

>
> --
> ]               Never tell me the odds!                 | ipv6 mesh
> networks [
> ]   Michael Richardson, Sandelman Software Works        |    IoT
> architect   [
> ]     mcr@sandelman.ca  http://www.sandelman.ca/        |   ruby on
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>
>
>
>
> --
> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
>  -= IPv6 IoT consulting =-
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>
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-- 

Best regards,
Kathleen

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