[Servercert-wg] Voting Period Begins - Ballot SC-063 V4: “Make OCSP Optional, Require CRLs, and Incentivize Automation”

Inigo Barreira Inigo.Barreira at sectigo.com
Fri Jul 7 14:56:25 UTC 2023

Sectigo votes YES


De: Servercert-wg <servercert-wg-bounces at cabforum.org> En nombre de Ryan
Dickson via Servercert-wg
Enviado el: jueves, 6 de julio de 2023 17:59
Para: ServerCert CA/BF <servercert-wg at cabforum.org>
Asunto: [Servercert-wg] Voting Period Begins - Ballot SC-063 V4: "Make OCSP
Optional, Require CRLs, and Incentivize Automation"


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Purpose of Ballot SC-063

This Ballot proposes updates to the Baseline Requirements for the Issuance
and Management of Publicly-Trusted Certificates related to making Online
Certificate Status Protocol (OCSP) services optional for CAs. This proposal
does not prohibit or otherwise restrict CAs who choose to continue
supporting OCSP from doing so. If CAs continue supporting OCSP, the same
requirements apply as they exist today.


Additionally, this proposal introduces changes related to CRL requirements

*	CRLs must conform with the proposed profile.
*	CAs must generate and publish either:

*	a full and complete, or 
*	a set of partitioned CRLs (sometimes called "sharded" CRLs), that
when aggregated, represent the equivalent of a full and complete CRL.

*	CAs issuing Subscriber Certificates must update and publish a new

*	within twenty-four (24) hours after recording a Certificate as
revoked; and 
*	Otherwise: 

*	at least every seven (7) days if all Certificates include an
Authority Information Access extension with an id-ad-ocsp accessMethod ("AIA
OCSP pointer"), or
*	at least every four (4) days in all other cases.


Finally, the proposal revisits the concept of a "short-lived" certificate,
introduced in Ballot 153
C%7C%7C&sdata=J3OXFy66BiVwjgcDO7H52cjBYh3LGn1NW4vUSwGGN8k%3D&reserved=0> .
As described in this ballot, short-lived certificates (sometimes called
"short-term certificates" in ETSI
Z%2B4FKUrKSidU%3D&reserved=0> specifications) are:

*	optional. CAs will not be required to issue short-lived
certificates. For TLS certificates that do not meet the definition of a
short-lived certificate introduced in this proposed update, the current
maximum validity period of 398 days remains applicable. 

*	constrained to an initial maximum validity period of ten (10) days.
The proposal stipulates that short-lived certificates issued on or after 15
March 2026 must not have a Validity Period greater than seven (7) days.

*	not required to contain a CRLDP or OCSP pointer and are not required
to be revoked. The primary mechanism of certificate invalidation for these
short-lived certificates would be through certificate expiry. CAs may
optionally revoke short-lived certificates. The initial maximum certificate
validity is aligned with the existing maximum values for CRL "nextUpdate"
and OCSP response validity allowed by the BRs today. 


Additional background, justification, and considerations are outlined
3D&reserved=0> here.


Proposal Revision History:

*	The set of updates resulting from the first round of discussion are
MOWzUdNZA58MAXd3%2ByOTIwOpxacG%2FsIF46CFINt%2Bw%3D&reserved=0>  here.
*	The set of updates resulting from the second round of discussion are
presented here
rW6ovoxg1wE6ezMwUBSQS8alqB0yOCNyevYcVOWmI%3D&reserved=0> .
*	The set of updates resulting from the third round of discussion are
presented here
kGxD5npyb0oHLhnetUC66uMmlkZtQnEaAKoDdwpiw%3D&reserved=0> . 


The following motion has been proposed by Ryan Dickson and Chris Clements of
Google (Chrome Root Program) and endorsed by Kiran Tummala of Microsoft and
Tim Callan of Sectigo.


- Motion Begins -


This ballot modifies the "Baseline Requirements for the Issuance and
Management of Publicly-Trusted Certificates" ("Baseline Requirements"),
based on Version 2.0.0.


MODIFY the Baseline Requirements as specified in the following Redline: 



- Motion Ends -


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


Discussion (13+ days)

*  Start time: 2023-06-22 20:30:00 UTC

*  End time: 2023-07-06 15:59:59 UTC


Vote for approval (7 days)

*  Start time: 2023-07-06 16:00:00 UTC

*  End time: 2023-07-13 16:00:00 UTC

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