Re: [secdir] Secdir last call review of draft-ietf-anima-bootstrapping-keyinfra-16

Randy Bush <randy@psg.com> Sun, 30 September 2018 18:52 UTC

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Date: Sun, 30 Sep 2018 11:52:49 -0700
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From: Randy Bush <randy@psg.com>
To: Christian Huitema <huitema@huitema.net>
Cc: Security Directorate <secdir@ietf.org>, draft-ietf-anima-bootstrapping-keyinfra.all@ietf.org, IETF Rinse Repeat <ietf@ietf.org>, anima@ietf.org
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Subject: Re: [secdir] Secdir last call review of draft-ietf-anima-bootstrapping-keyinfra-16
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christian,

a stunning review as usual.  but i have two questions which you kind of
finessed.  they are simple binary, i.e. yes/no, questions that the end
user, to whom the IETF is ultimately responsible, really cares about.

if the manufacturer's servers go down, either permanently or even for
a day, does the device i have purchased still work?  i.e. is it fail
soft? [0]

if the manufacturer's servers go down, either permanently or even for
a day, can i give/sell the device i have purchased to a third, well
fourth i guess, party, at my whim and seamlessly unencumbered?

fwiw, i asked these same questions at the 2005 paris side meeting at
l'ecole whatever hosted by mark.  the blank stares i received alarmed
me.  the ietf is ultimately responsible to the users.

thanks.

randy

--

0 - yes, i understand i may not be able to access it through the
    manufacturer's cloud.  so you want to help look at tcpdumps of
    the manufacturer installed thermostat that does not talk to that
    mfgr on net that i am debugging this weekend?  :(