[Servercert-wg] Discussion Period Begins | SC-079v2 - Allow more than one Certificate Policy in a Cross-Certified Subordinate CA Certificate

[Paul van Brouwershaven]

Ballot SC-079v2 incorporates the change suggested by Corey into SC-079. While we considered waiting for additional feedback before restarting the ballot, we prefer it to pass sooner rather than later so we can proceed with creating a single Cross-Certified Subordinate CA Certificate with multiple reserved policy identifiers, rather than multiple Cross-Certificates. Therefore, we've decided to move forward immediately.

### Purpose of the Ballot

This ballot duplicates the content of section 7.1.2.10.5 (CA Certificate Certificate Policies) into section 7.1.2.2 (Cross-Certified Subordinate CA Certificate Profile) as section 7.1.2.2.6 (Cross-Certified Subordinate CA Certificate Certificate Policies), modifying the requirement from "MUST contain exactly one Reserved Certificate Policy Identifier" to "MUST include at least one Reserved Certificate Policy Identifier. If any Subscriber Certificates will chain up directly to the Certificate issued under this Certificate Profile, this Cross-Certified Subordinate CA Certificate MUST contain exactly one Reserved Certificate Policy Identifier". This change allows the inclusion of multiple Reserved Certificate Policy Identifiers in a Cross-Certified Subordinate CA Certificate, except when any Subscriber Certificates chain up directly to the Certificate issued under this Certificate Profile.

Additionally, the description of the `policyIdentifier` contents was updated for clarification in both sections.

The following motion has been proposed by Paul van Brouwershaven (Entrust) and endorsed by Ben Wilson (Mozilla) and Thomas Zermeno (SSL.com).

GitHub pull request for this ballot: https://github.com/cabforum/servercert/pull/544

### Motion begins

MODIFY the "Baseline Requirements for the Issuance and Management of Publicly-Trusted TLS Server Certificates" ("TLS Baseline Requirements") based on Version 2.0.7 as specified in the following redline:

- https://github.com/cabforum/servercert/compare/ba28d04894d69c8fac62850b9d0de5061658c7c5...e808034e0c8889884761a2e591bb562f86b858c3

### Motion ends

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

Discussion (7+ days)

- Start time: 2024-09-22 19:10 UTC
- End time: 2024-09-2919:10 UTC

Vote for approval (7 days)

- Start time: TBC
- End time: TBC



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