Re: [Dtls-iot] IP Addresses in Certificates

Michael Richardson <mcr+ietf@sandelman.ca> Tue, 11 August 2015 16:15 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Stephen Farrell <stephen.farrell@cs.tcd.ie>
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References: <55A63EEF.7010608@gmx.net> <55A641EC.4030203@cs.tcd.ie> <D1D3F9D5.31B15%thomas.fossati@alcatel-lucent.com> <trinity-5e418e2e-726a-4c31-8498-634e598fb57e-1438786484782@3capp-gmx-bs46> <55C23E1B.5050300@cs.tcd.ie> <55C2687F.8050004@nthpermutation.com> <55C4BEE5.5080107@gmx.net> <55C7F80B.5020501@cs.tcd.ie>
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Date: Mon, 10 Aug 2015 11:29:59 -0400
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Cc: Hannes Tschofenig <hannes.tschofenig@gmx.net>, dtls-iot@ietf.org, Michael StJohns <msj@nthpermutation.com>
Subject: Re: [Dtls-iot] IP Addresses in Certificates
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Stephen Farrell <stephen.farrell@cs.tcd.ie> wrote:
    > OTOH, there will be devices whose only visible identifier is an IP
    > address, right?

I'm not sure that I agree.
I'm hard pressed to point a device that will have a stable IP address
that won't also have a stable name.  It might be interesting to figure out
how we can do things like put "printer.local" into a certificate...

If only we had SPKI, then you could say:
   (tcd's stephen.farrell's printer)


--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-