Hi Chunchi,Mike,  and all,

I fully support the adoption of draft-liu-acme-rats-02 within the ACME working 
group.

Remote attestation can enhance the security and trustworthiness of certificate 
management, especially in the cloud and distributed environments.

The draft provides a well-structured extension to ACME that enables meaningful 
integration with the attestation technologies, and I believe it addresses an 
important need.

Best regards.

Haiguang



________________________________
From: Liuchunchi(Peter) <[email protected]>
Sent: Friday, 5 December 2025 9:34 AM
To: Mike Ounsworth; [email protected]; [email protected]; 
[email protected]
Subject: [Acme] Re: Call for adoption: draft-liu-acme-rats-02 (Ends 2025-12-10)

As an author, I support adoption.

Also, I will prepare an initial POC implementation to present at the next IETF 
for ACME client. The current codebase is https://github.com/go-acme/lego, but 
do let me know if there are better options.

Peter

> -----Original Message-----
> From: Mike Ounsworth via Datatracker <[email protected]>
> Sent: Thursday, November 27, 2025 8:39 AM
> To: [email protected]; [email protected]; [email protected]
> Subject: Call for adoption: draft-liu-acme-rats-02 (Ends 2025-12-10)
>
>
> Subject: Call for adoption: draft-liu-acme-rats-02  (Ends 2025-12-10)
>
> This message starts a 2-week Call for Adoption for this document.
>
> Abstract:
>    This document describes an approach where an ACME Server can
>    challenge an ACME Client to provide a Remote Attestation Evidence or
>    Remote Attestation Result in any format supported by the Conceptual
>    Message Wrapper.
>
>    The ACME Server can optionally challenge the Client for specific
>    claims that it wishes attestation for.
>
> File can be retrieved from:
> https://datatracker.ietf.org/doc/draft-liu-acme-rats/
>
> Please reply to this message keeping [email protected] in copy by indicating
> whether you support or not the adoption of this draft as a WG document.
> Comments to motivate your preference are highly appreciated.
>
> Authors, and WG participants in general, are reminded of the Intellectual
> Property Rights (IPR) disclosure obligations described in BCP 79 [2].
> Appropriate IPR disclosures required for full conformance with the provisions
> of BCP 78 [1] and BCP 79 [2] must be filed, if you are aware of any.
> Sanctions available for application to violators of IETF IPR Policy can be 
> found
> at [3].
>
> Thank you.
> [1] https://datatracker.ietf.org/doc/bcp78/
> [2] https://datatracker.ietf.org/doc/bcp79/
> [3] https://datatracker.ietf.org/doc/rfc6701/
>
>

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