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

[Chris Clements]

Google votes “Yes” on Ballot SC-063 v4.

On Thu, Jul 6, 2023 at 11:59 AM Ryan Dickson via Servercert-wg <
servercert-wg at cabforum.org> wrote:

> 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
> including:
>
>    -
>
>    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 CRL…
>    -
>
>       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
> <https://cabforum.org/2015/11/11/ballot-153-short-lived-certificates/>.
> As described in this ballot, short-lived certificates (sometimes called
> “short-term certificates” in ETSI specifications
> <https://www.etsi.org/deliver/etsi_en/319400_319499/31941201/01.04.04_60/en_31941201v010404p.pdf>)
> 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 here
> <https://docs.google.com/document/d/180T6cDSWPy54Rb5d6R4zN7MuLEMShaZ4IRLQgdPqE98/edit>
> .
>
> Proposal Revision History:
>
>    -
>
>    The set of updates resulting from the first round of discussion are
>    presented here <https://github.com/ryancdickson/staging/pull/3/files>.
>    -
>
>    The set of updates resulting from the second round of discussion are
>    presented here <https://github.com/ryancdickson/staging/pull/5/files>.
>    -
>
>    The set of updates resulting from the third round of discussion are
>    presented here <https://github.com/ryancdickson/staging/pull/7/files>.
>
>
> 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:
>
>
> https://github.com/cabforum/servercert/compare/a0360b61e73476959220dc328e3b68d0224fa0b3..b8a0453e59ff342779d5083f2f1f8b8b5930a66a
>
>
>
> — 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
>
> _______________________________________________
> Servercert-wg mailing list
> Servercert-wg at cabforum.org
> https://lists.cabforum.org/mailman/listinfo/servercert-wg
>
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