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Re: [netconf] [Anima] Reuse of SZTP-CSR YANG definition in BRSKI-AE

Michael Richardson <mcr+ietf@sandelman.ca> Sat, 19 June 2021 21:29 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Kent Watsen <kent+ietf@watsen.net>, "Fries, Steffen" <steffen.fries@siemens.com>, "Werner, Thomas" <thomas-werner@siemens.com>, netconf@ietf.org, "anima@ietf.org" <anima@ietf.org>
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Subject: Re: [netconf] [Anima] Reuse of SZTP-CSR YANG definition in BRSKI-AE
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Kent Watsen <kent+ietf@watsen.net> wrote:
    > [future threads about SZTP should CC NETCONF, the WG that
    > published/maintains SZTP]

Yes, and not netmod?

    sf> In one use case, the pledge has no direct connection to the registrar
    sf> and a registrar-agent communicates with the pledge. In that specific
    sf> case we do not have a TLS connection between the pledge and the
    sf> registrar-agent and protect the exchanged objects by an additional
    sf> signature. This is done by embedding the necessary information into a JOSE object.

...

    sf> The question
    sf> (https://github.com/anima-wg/anima-brski-async-enroll/issues/10) now
    sf> is, if this construct is possible, as we are just using a subset
    sf> (sztp-csr:csr) of the YANG  module " ietf-sztp-bootstrap-server" from
    sf> draft-ietf-netconf-sztp-csr?

    kw> This is not possible.

I feel that the question might have been so specific that it didn't match.

My thought was to do CORECONF (possibly using CoAP over BTLE), to retrieve a
CSR from a device.  It seems to fit right into the ietf-sztp-bootstrap-server
pattern to me.

So, I'm unclear why ietf-sztp-csr:csr-support couldn't be used.
Is it because the module augments sztp, and we don't need it all?

We really just want container csr-support, csr-generation, csr, ???

Maybe we could chat about this more.
We have a regular Thursday 9:30 EST design team.

    >> The alternative would be to define an own module modeled in a similar.

    > You can do this.

I think that we can have some common mindshare here.

--
Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
           Sandelman Software Works Inc, Ottawa and Worldwide

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