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Re: [Ace] draft-ietf-ace-coap-est-00

Michael Richardson <mcr+ietf@sandelman.ca> Thu, 15 March 2018 09:37 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
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Comments: In-reply-to peter van der Stok <stokcons@xs4all.nl> message dated "Wed, 14 Mar 2018 09:18:42 +0100."
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Date: Thu, 15 Mar 2018 08:00:57 +0000
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Subject: Re: [Ace] draft-ietf-ace-coap-est-00
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peter van der Stok <stokcons@xs4all.nl> wrote:
    >> >> DTLS connection is going to be required to act as an RA.  RAs
    >> are required
    >> >> to have the entire request for adding authentication as necessary.
    >>
    >> > This is visible in the figure of section 6, but needs elaboration in
    >> the
    >> > text.
    >>
    >> I don't understand why we have that paragraph.
    >> An end point that terminates the Pledge (D)TLS connection and acts as
    >> an RA *IS* a Join Registrar, not a Proxy.
    >>

    > Thus is outside the BRSKI context, and thus a proxy with RA (separate or not)

Let me delete "Join" from above sentence.

A device that terminates the DTLS security (CoAPS) and then talks to the CA
is a Registration Authority according to EST and RFC5280.  It's not a proxy.
(And it doesn't matter if it speaks HTTPS or CMS or CMP or super-pigeon-telepathy
to the CA)

--
]               Never tell me the odds!                 | ipv6 mesh networks [
]   Michael Richardson, Sandelman Software Works        | network architect  [
]     mcr@sandelman.ca  http://www.sandelman.ca/        |   ruby on rails    [




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