Re: [homenet] Ted's security talk at IETF99: DNCP Security

Michael Richardson <mcr+ietf@sandelman.ca> Wed, 02 August 2017 07:05 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Ted Lemon <mellon@fugue.com>
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Date: Wed, 02 Aug 2017 03:05:20 -0400
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Subject: Re: [homenet] Ted's security talk at IETF99: DNCP Security
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Ted Lemon <mellon@fugue.com>; wrote:
    > OK. So I think the comparison with me and my printer is probably a red
    > herring. :)

A bit, yes.
The part where it's not, is that having established this out of band
process (when the discovery was authorized),  a secured channel remains, in
which one can exchange credentials for next time.  It's not TOFU.
It's more like, "Trust After First Discovery" or something like that.

    > What I was getting at when talking about Christian's work is that the process
    > of validating the initial leap of faith for homenet could be similar to the
    > process that Christian is using for validating the pairing process in private
    > service discovery.

I agree, exactly.  That's the laudry list of processes.


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Michael Richardson <mcr+IETF@sandelman.ca>;, Sandelman Software Works
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