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Re: [Rats] EAT claims needed by TEEP

Thomas Fossati <Thomas.Fossati@arm.com> Thu, 29 October 2020 21:21 UTC

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From: Thomas Fossati <Thomas.Fossati@arm.com>
To: Laurence Lundblade <lgl@island-resort.com>
CC: "rats@ietf.org" <rats@ietf.org>, teep <teep@ietf.org>, Dave Thaler <dthaler@microsoft.com>, Simon Frost <Simon.Frost@arm.com>, Thomas Fossati <Thomas.Fossati@arm.com>
Thread-Topic: [Rats] EAT claims needed by TEEP
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Date: Thu, 29 Oct 2020 21:21:14 +0000
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Subject: Re: [Rats] EAT claims needed by TEEP
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On 29/10/2020, 21:07, "RATS" <rats-bounces@ietf.org> wrote:
> On Oct 29, 2020, at 1:45 PM, Thomas Fossati <Thomas.Fossati@arm.com> wrote:
>
> Hi Laurence,
>
> > My understanding is that they are always encoded as CBOR text strings,
> > so floating-point doesn’t mean #7.25 or such.
>
> Correct.  In (Co)SWID software-version is just a text string and version-scheme
> is there to do some semantic polishing.  But the underlying type is always #3.
>
> Maybe I'm misunderstanding your proposal here, but I would be circumspect
> in mixing SWIDs attributes, which are scoped to software artifacts, with HW
> identifiers.
>
>
> Hi Thomas,
>
> All the SW Version stuff would fall under a single EAT claims that
> contains a full CoSWID.
>
> For HW Version, I was thinking of two EAT claims, one for the version
> text, another for the version scheme (or we could go off and define a
> full CoHWID).

OK, looks like I had misunderstood your plan :-) thanks for the
clarification!
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