Re: [Acme] Survey of draft-07 implementations

Daniel McCarney <cpu@letsencrypt.org> Thu, 02 November 2017 14:02 UTC

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From: Daniel McCarney <cpu@letsencrypt.org>
Date: Thu, 02 Nov 2017 10:01:53 -0400
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To: Mads Egil Henriksveen <Mads.Henriksveen@buypass.no>
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Subject: Re: [Acme] Survey of draft-07 implementations
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Hi Mads,

Happy to hear about another implementation! Thanks for replying.

We are also running a constrained pilot in our production environment
> (supporting CertBot) and this will be upgraded to the ACME draft-07 version
> shortly.


What is your plan for testing your draft-07 pilot? It sounds like you only
target Certbot and there is no order based issuance support in Certbot
presently (among other divergences with draft-07/08).

 However, we are considering to use the Out-of-Band Challenge type and
> possibly also External Account Binding in a next phase where the idea is to
> exploit how the ACME protocol may be used to support issuance and
> administration of other types of TLS certificates than DV.


Can you speak to when this phase may begin/end? I worry that it will be too
late for any implementation experience to be able to influence the draft if
this phase of your project won't be complete for some time.

- Daniel / cpu

On Sat, Oct 21, 2017 at 2:56 AM, Mads Egil Henriksveen <
Mads.Henriksveen@buypass.no> wrote:

> Hi
>
>
>
> Buypass has implemented an ACME server based on ACME draft-07 which use
> order based issuance, this version is currently available in a test
> environment only. We are also running a constrained pilot in our production
> environment (supporting CertBot) and this will be upgraded to the ACME
> draft-07 version shortly.
>
>
>
> We have included support for Pre-Authorization, but we are not using
> neither External Account Binding nor the Out-of-Band Challenge in our
> current version. However, we are considering to use the Out-of-Band
> Challenge type and possibly also External Account Binding in a next phase
> where the idea is to exploit how the ACME protocol may be used to support
> issuance and administration of other types of TLS certificates than DV.
>
>
>
> Regards
>
> Mads
>
>
>
> *From:* Acme [mailto:acme-bounces@ietf.org] *On Behalf Of *Daniel McCarney
> *Sent:* fredag 20. oktober 2017 22:36
> *To:* IETF ACME <acme@ietf.org>
> *Subject:* [Acme] Survey of draft-07 implementations
>
>
>
> Hi folks,
>
>
>
> As the WG approaches last-call on ACME draft-07[0] I wanted to get a sense
> of which portions of the spec have been implemented and which haven't.
>
>
>
> In particular I'd like to hear if anyone has implemented:
>
> * External Account Binding (Section 7.3.5)
>
> * Pre-Authorization for Order based issuance (Section 7.4.1)
>
> * The Out-of-Band Challenge type (Section 8.6)
>
>
>
> Let's Encrypt has made good progress on draft-07 server implementation but
> has no plans to implement the above three features. It would be nice to
> hear someone has running code for these protions of spec.
>
>
>
> Ignoring the above three items Let's Encrypt has implemented the core
> portions of draft-07 in Pebble[1]. It's presently using the pro-active
> issuance method described in draft-07. It does not support key change or
> revocation but is ready to be used by clients. There is an integration test
> client[2] based on Certbot's ACME python module and ACME4j has an
> experimental branch[3] capable of issuing certificates from Pebble.
>
>
>
> Let's Encrypt has also made significant progress implementing draft-07 in
> Boulder[4], the production Let's Encrypt CA software, but it is not yet
> ready for use by clients. This implementation does include key change and
> revocation but does **not** use pro-active issuance. I began a separate
> thread[5] for the order finalization approach that we have started to
> implement for Boulder. Pebble will be updated to use this issuance approach
> in place of pro-active issuance shortly.
>
>
>
> Are there any other servers or clients out there that are speaking
> draft-07 ACME and using order based issuance?
>
>
>
> - Daniel / cpu
>
>
>
> [0]: https://tools.ietf.org/html/draft-ietf-acme-acme-07
>
> [1]: https://github.com/letsencrypt/pebble
>
> [2]: https://github.com/letsencrypt/boulder/blob/
> e2cc6fbe682dd5d49da32c2357838b0cc831f10f/test/chisel2.py
>
> [3]: https://github.com/shred/acme4j/tree/draft
>
> [4]: https://github.com/letsencrypt/boulder
>
> [5]: https://mailarchive.ietf.org/arch/msg/acme/
> DIjJEB06J5cFyuOlGPVcY2I51vg
>