[Servercert-wg] [EXTERNAL] Ballot SC23 v3: Precertificates

[Bruce Morton]

Hi Wayne,

Do you still intend to propose an effective date of 1 March 2020?

Thanks, Bruce.

From: Servercert-wg <servercert-wg-bounces at cabforum.org> On Behalf Of Wayne Thayer via Servercert-wg
Sent: Monday, October 28, 2019 11:45 PM
To: CA/B Forum Server Certificate WG Public Discussion List <servercert-wg at cabforum.org>
Subject: [EXTERNAL][Servercert-wg] Ballot SC23 v3: Precertificates

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Here is v3 of the Precertificates ballot, based on Ryan Sleevi's proposal. This email resets the discussion period as defined below.
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Ballot SC23 v3: Precertificates


Purpose of Ballot:


This ballot intends to clarify requirements placed on Precertificates in BR section 4.9.10.


During a lengthy discussion on the mozilla.dev.security.policy forum [1], it was discovered that BR section 4.9.10 combined with BR section 7.1.2.5 prevents a CA from responding “good” for a precertificate. This is a problem because there is no guarantee that a certificate corresponding to a Precertificate has not been issued, resulting in root store policies such as [2] that require CAs to treat the existence of a Precertificate as a presumption that a corresponding certificate has been issued and thus that a valid OCSP response is required.


This ballot intends to resolve the problem by clarifying in the BRs that a CA may provide revocation information for the serial number contained in a Precertificate.


[1] https://groups.google.com/d/msg/mozilla.dev.security.policy/LC_y8yPDI9Q/NbOmVB77AQAJ

[2] https://wiki.mozilla.org/CA/Required_or_Recommended_Practices#Precertificates


The following motion has been proposed by Wayne Thayer of Mozilla and endorsed by Jeremy Rowley of DigiCert and Rob Stradling of Sectigo.


-- MOTION BEGINS --


This ballot modifies the “Baseline Requirements for the Issuance and Management of Publicly-Trusted Certificates” as follows, based on Version 1.6.6, or based on Version 1.6.6 as modified by ballot SC24:


ADD a reference to section 1.6.3 of the Baseline Requirements as defined in the following redline:


https://github.com/cabforum/documents/compare/master@%7B10-23-19%7D...sleevi:2019-10-OCSP


REPLACE section 4.9.10 of the Baseline Requirements in its entirety as defined in the following redline:


https://github.com/cabforum/documents/compare/master@%7B10-23-19%7D...sleevi:2019-10-OCSP


-- MOTION ENDS --


This ballot proposes a Final Maintenance Guideline.


The procedure for approval of this ballot is as follows:


Discussion (7+ days)


Start Time: 3-October 2019 18:00 UTC


End Time: No earlier than 05-November 2019 04:00 UTC


Vote for approval (7 days)


Start Time: TBD


End Time: TBD
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