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2025-06-26 Minutes of the Code Signing Certificate Working Group

Certificate Signing Certificate Working Group (CSCWG) – Meeting Minutes

Date: June 26, 2025

Note Well

The Note Well was read.

Review of Agenda

Agenda reviewed and accepted with the addition of a PQC ballot discussion requested by Brianca.

Approval of Minutes

  • 15 May minutes: Approved without objections.
  • 29 May minutes: Deferred approval to the next meeting due to late distribution.

Discussion Topics

PQC Ballot

  • Corey confirmed readiness, pending input from Microsoft.
  • Karina stated Microsoft is currently not ready to support the ballot, citing ongoing internal evaluations of PQC implications.
  • Brianca raised a concern about halting community progress based on one company’s readiness.
  • Scott suggested shelving the ballot temporarily until Microsoft or other consumers indicate readiness.
  • Bruce raised concerns regarding the voting structure and its appropriateness given the limited number of certificate consumers.
  • Consensus: PQC ballot shelved temporarily until conditions change (either Microsoft readiness or additional consumer engagement).

CSC-30 Ballot Failure and Future Actions

  • Martijn expressed concern over repeated failures of similar ballots (CSC-28, CSC-29, CSC-30) and is hesitant to request further effort without clear progress.
  • Karina acknowledged delays due to recent internal team changes at Microsoft.
  • Nate agreed to follow up internally on another ballot driven by Microsoft, recognizing a pressing deadline.
  • Corey suggested discussing the possibility of splitting CSC-30 into multiple ballots during the next meeting.

Any Other Business

No other business.

Next Meeting

July 10th

Latest releases
Server Certificate Requirements
SC-089: Mass Revocation Planning - Aug 26, 2025

Code Signing Requirements
v3.8 - Aug 5, 2024

What’s Changed CSC-25: Import EV Guidelines to CS Baseline Requirements by @dzacharo in https://github.com/cabforum/code-signing/pull/38 Full Changelog: https://github.com/cabforum/code-signing/compare/v3.7...v3.8

S/MIME Requirements
v1.0.12 - Ballot SMC014 - Oct 13, 2025

This ballot introduces requirements that a Certificate Issuer MUST deploy DNSSEC validation back to the IANA DNSSEC root trust anchor on all DNS queries associated with CAA record lookups performed by the Primary Network Perspective, effective March 15, 2026. The ballot is intended to maintain consistency in the S/MIME Baseline Requirements with the requirements of Ballot SC-085 which implemented identical requirements in the TLS Baseline Requirements. Note: SC-085 also introduced requirements in TLS Baseline Requirements for the use of DNSSEC in domain control validation. These requirements are automatically adopted in the S/MIME BR by the email domain control methods that include a normative reference to section 3.2.2.4 of the TLS Baseline Requirements. The draft also includes minor corrections to web links in the text. This ballot is proposed by Stephen Davidson (DigiCert) and endorsed by Client Wilson (Apple) and Ashish Dhiman (GlobalSign).

Network and Certificate System Security Requirements
Version 2.0.5 (Ballot NS-008) - Jul 9, 2025

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The Certification Authority Browser Forum (CA/Browser Forum) is a voluntary gathering of Certificate Issuers and suppliers of Internet browser software and other applications that use certificates (Certificate Consumers).