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2025-12-11 Minutes of the Code Signing Certificate Working Group

Code Signing Working Group – Meeting Minutes

Date: 11 December

1. Antitrust Reminder (Note Well)

The Note Well was read

2. Review of Agenda

3. Approval of Minutes

November 13th Meeting Minutes were approved Face-to-Face (F2F) Meeting Minutes were approved

4. Discussion Topics

4.1 SC-Alignment Ballot – Microsoft OCSP Concerns

  • No Microsoft representatives were present on the call.
  • No updates were observed on the mailing list regarding Microsoft’s OCSP-related concerns.
  • Topic tabled until Microsoft provides an update.

4.2 Post-Quantum Cryptography (PQC)

  • The topic remains on the agenda at the request of Brianca (Amazon)
  • Discussion noted that progress is largely dependent on Microsoft’s platform direction and support.

4.3 Code Signing – Next Steps (Single Profile)

  • Identified consolidation into a single code signing profile (merging Code Signing and EV Code Signing) as a major project for the coming year.
  • A working branch tracking proposed updates to the Code Signing Baseline Requirements (CSBRs) has been created
  • Rewrite and review CSBR sections incrementally (approximately one section per month).

5. Any Other Business

None

6. Adjourn

7. Next Meeting

Date: 8 January

Attendees

Brian Winters (IdenTrust), Inaba Atsushi (GlobalSign), Iñigo Barreira (Sectigo), Martijn Katerbarg (Sectigo), Nome Huang (TrustAsia), Scott Rea (eMudhra), Thomas Zermeno (SSL.com), Wiktoria Więckowska (Asseco Data Systems SA (Certum))

Latest releases
Server Certificate Requirements
SC100: DNSSEC Clarification and Consolidation - Sep 7, 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
v1.0.16 - Ballot SMC018 - Sep 29, 2026

This ballot implements the requirements of CCADB Policy Section 6.3 relating to cross-certificates into the S/MIME BR effective immediately. The ballot also specifies that effective July 1, 2027 id-kp-emailProtection (mandatory) and the id-kp-clientAuth (optional) are the only extKeyUsage (EKU) permitted in both Subordinate CA Certificates and Subscriber Certificates. Finally, the ballot clarifies in the Definitions that Legacy Generation profiles were deprecated effective July 15, 2025. This ballot is proposed by Stephen Davidson (DigiCert) and endorsed by Dustin Hollinback (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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