DigiCert votes YES on SC-076v2.


-Tim



From: Servercert-wg <servercert-wg-boun...@cabforum.org> On Behalf Of Aaron 
Gable via Servercert-wg
Sent: Thursday, September 26, 2024 3:01 PM
To: CA/B Forum Server Certificate WG Public Discussion List 
<servercert-wg@cabforum.org>
Subject: [Servercert-wg] Voting Period Begins: Ballot SC-076v2 "Clarify and 
Improve OCSP Requirements"



Purpose of Ballot



This is v2 of this ballot; you can see the discussion thread for v1 here: 
https://lists.cabforum.org/pipermail/servercert-wg/2024-August/004798.html



This ballot attempts to address three concerns:
- The confusion around "reserved" serials, which do not actually exist because 
all Precertificate serials are assumed to also exist in corresponding 
Certificates and are therefore actually "assigned";
- Confusion around whether, and how quickly, OCSP responders must begin 
providing authoritative responses for Certificates and Precertificates; and
- Confusion around whether and how the OCSP requirements apply to Certificates 
which do not contain an AIA OCSP URL, but for which the CA's OCSP responder is 
still willing to provide responses.



These concerns have been previously discussed in this Mozilla policy bug 
<https://github.com/mozilla/pkipolicy/issues/280> , this ServerCert WG bug 
<https://github.com/cabforum/servercert/issues/422> , and this Bugzilla 
incident <https://bugzilla.mozilla.org/show_bug.cgi?id=1905419> .

It addresses these concerns by:
- Stating that OCSP responses must be available within 15 minutes of signing a 
certificate containing an AIA OCSP URL;
- Removing the concept of a "reserved" serial entirely;
- Moving all OCSP requirements into Section 4.9.9, leaving Section 4.9.10 
(which RFC 3647 says is meant to place requirements on relying parties, not on 
CAs) empty; and
- Organizing the requirements in Section 4.9.9 into three clusters:
  - Definitions of "validity interval", "assigned", and "unassigned";
  - Requirements on OCSP Responders, which apply only to responses from AIA 
OCSP URLs found in issued certs; and
  - Requirements on OCSP Responses, which apply to all responses regardless of 
whether the certificate in question has an AIA OCSP URL.



GitHub PR representing this ballot: 
https://github.com/cabforum/servercert/pull/535

Rendered view of the resulting text: 
https://github.com/cabforum/servercert/blob/a8a36690802250cdbe508a6c1f99f700a5357bd3/docs/BR.md#499-on-line-revocationstatus-checking-availability



Motion



The following motion has been proposed by Aaron Gable (Let's Encrypt / ISRG), 
and is endorsed by Ben Wilson (Mozilla) and Antonis Eleftheriadis (HARICA).



Motion Begins



Modify the "Baseline Requirements for the Issuance and Management of 
Publicly-Trusted TLS Server Certificates", based on Version 2.0.6, as 
specified in the following redline:



https://github.com/cabforum/servercert/compare/929d9b4a1ed1f13f92f6af672ad6f6a2153b8230...a8a36690802250cdbe508a6c1f99f700a5357bd3



Motion Ends



This ballot proposes a Final Maintenance Guideline. The procedure for approval 
of this ballot is as follows:



Discussion Period (at least 7 days)



Start: August 29, 2024 19:00 UTC

End: September 26, 2024 19:00 UTC



Voting Period (7 days)



Start: September 26, 2024 19:00 UTC

End: October 3, 2024 19:00 UTC

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