Re: [Anima-bootstrap] Can the proxy add information during bootstrap?

Michael Richardson <mcr+ietf@sandelman.ca> Wed, 13 April 2016 12:53 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Brian E Carpenter <brian.e.carpenter@gmail.com>
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Date: Wed, 13 Apr 2016 08:53:08 -0400
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Subject: Re: [Anima-bootstrap] Can the proxy add information during bootstrap?
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Brian E Carpenter <brian.e.carpenter@gmail.com> wrote:
    >> I think it's a MITM attack for the proxy to add any information to the
    >> secure part.  Any information not under the security enclosure may be
    >> untrustworthy.

    > If there's a need to discover topology, which I understood Michael B
    > was after, couldn't that be done after enrolment, with no security
    > risk?

yes: exactly.  In fact, after enrollment, the resulting ACP that the new node
might form might have nothing to do with the topology used for enrollment.

I see no reason for the registrar to care about enrollment topology.

Consider two 14U BFRs in adjacent cabinets that use BTLE to enroll, establish
an ACP between them, and then configure the correct lambdas to light up the
100Gb/s links between them.
A new ACP link then comes up across that link (maybe using macsec..)

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