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2024-01-25 Minutes of the Code Signing Certificate Working Group

Attendees

Atsushi Inaba, Bhat Abhishek, Brianca Martin, Bruce Morton, Corey Bonnell, Dean Coclin, Ian McMillan, Inigo Barreira, Janet Hines, Keshava N, Lucy Buecking, Martijn Katerbarg, Mohit Kumar, Richard Kisley, Scott Rea, Thomas Zermeno, Tim Crawford, Tim Hollebeek, Trevoli Ponds-White

Minutes

  1. Roll Call
    • Completed by Dean
  2. Antitrust reminder
    • Completed by Dean
  3. Approve prior meeting minutes – Jan 11th
    • Meeting Minutes from 2024/01/11 sent out on 2024/01/12, Approved
  4. Ballot CSC-21 Signing Service: Status
    • In IPR until 2024/02/18
  5. Ballot CSC-22 Proposed High Risk Ballot: Status
    • In IPR until 2024/02/18
  6. Proposed ballot Remove EV Guideline References status
  7. Proposed ballot CSCWG charter update status
    • Completed at the Forum level, and merged.
  8. Proposed ballot for Time-stamp Requirements update.
  9. Other business
    • Membership application from Troy Anderson, Common Crypto Authority as an Interested Party
      • No objections for adding as an Interested Party
    • Next F2F Discussion Topics?
      • Most folks will attend virtually
      • To discuss at next meeting on 2024/02/08
      • Group to bring item ideas for the F2F
      • Consider Certificate Transparency & simplifying EV code signing
      • Consider making the session at the F2F shorter (currently on Tuesday night at 11:30pm ET, 8:30pm PT)
  10. Next meeting – February 8th
  11. Adjourn
Latest releases
Server Certificate Requirements
SC098: Process RFC 8657 CAA Parameters - Jun 16, 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
v1.0.15 - Ballot SMC017v2 - Jul 30, 2026

This ballot increases the minimum RSA key size for Root and Subordinate CA certificates in the S/MIME BRs from 2048 to 4096 bits for keys created after September 15, 2026, while retaining the 2048-bit minimum for Subscriber certificates. The ballot further requires that by September 15, 2027, CAs SHALL NOT issue Subscriber certificates from any Sub-CA whose RSA key modulus is less than 3072 bits, effectively sunsetting issuance from legacy 2048-bit Sub-CAs. The ballot also includes minor typographic corrections. This ballot is proposed by Martijn Katerbarg (Sectigo) and endorsed by Ben Wilson (Mozilla) and Stephen Davidson (DigiCert)

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).