Re: [Suit] SUIT rechartering: proposed text

Michael Richardson <mcr+ietf@sandelman.ca> Sat, 24 July 2021 19:08 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: suit <suit@ietf.org>
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Date: Sat, 24 Jul 2021 15:08:05 -0400
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Subject: Re: [Suit] SUIT rechartering: proposed text
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Dave Thaler <dthaler=40microsoft.com@dmarc.ietf.org> wrote:
    >> I can think of ways to securely report firmware update status that do
    >> not involve attesting, but if you do attesting (b), then you definitely
    >> do (a), right?

    > You can attest to current state without attesting to the errors that
    > happened the last time you tried to install something.

I agree.
So (a) involves providing feedback on failed attempts to upgrade.

    > (If the errors happened during boot then they may be reported, but
    > post-boot install errors might not be.)

    > And as you mentioned, you can report status (and errors) without attesting.
    > So I think they're complementary items that will often but not always
    > be used together.

I understand now.

--
Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
           Sandelman Software Works Inc, Ottawa and Worldwide