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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
SC095v3: Clean-up 2025 - Apr 2, 2026

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
v1.0.13 - Ballot SMC015v2 - Mar 28, 2026

This ballot introduces requirements that a CA or RA must follow to rely upon a Mobile Drivers License (mDL) to provide evidence for the authentication of individual identity. It allows the use of mDL that conform to ISO/IEC 18013-5 and which may be verified by the CA or RA in conformance with ISO/IEC 18013-7. The CA or RA shall only accept mDL from an Issuing Authority that is legally authorized by the relevant government or jurisdiction to issue driving licenses. The draft also aligns the subsections of 3.2.4.2 (Validation of individual identity) to correspond more closely with those in 3.2.4.1 (Attribute collection of individual identity). It also includes minor editorial corrections. SMC015v2 was updated to remove an additional reference to the superceded ETSI EN 319 403. This ballot is proposed by Stephen Davidson (DigiCert) and endorsed by Ben Wilson (Mozilla) and Scott Rea (eMudhra).

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).