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Re: [Anima] Adam Roach's Discuss on draft-ietf-anima-bootstrapping-keyinfra-22: (with DISCUSS and COMMENT)

Eliot Lear <lear@cisco.com> Thu, 11 July 2019 21:49 UTC

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From: Eliot Lear <lear@cisco.com>
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Date: Thu, 11 Jul 2019 23:49:13 +0200
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Cc: draft-ietf-anima-bootstrapping-keyinfra@ietf.org, Adam Roach <adam@nostrum.com>, anima-chairs@ietf.org, The IESG <iesg@ietf.org>, Toerless Eckert <tte+ietf@cs.fau.de>, anima@ietf.org
To: Michael Richardson <mcr+ietf@sandelman.ca>
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Subject: Re: [Anima] Adam Roach's Discuss on draft-ietf-anima-bootstrapping-keyinfra-22: (with DISCUSS and COMMENT)
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Just to complete the thought:

Whether such a voucher would be pinned is something we do not have to specify, with the risks of it not being pinned being born by the owner.

Eliot

> On 11 Jul 2019, at 23:44, Eliot Lear <lear@cisco.com> wrote:
> 
> Signed PGP part
> One thought:
> 
> I think the simplest way to address the bulk of both Adam’s and Warren’s concern is to require the device to emit via whatever management interface exists, upon request, a voucher that it has signed with its own iDevID.  It would have to be nonceless with perhaps a long expiry, and that would cover a number of other use cases as well.  That way if the manufacturer goes out of business, or if the owner wants to transfer the device without manufacturer consent, there is a way forward.
> 
> Eliot
> 
>

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