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2025-02-06 Minutes of the Code Signing Certificate Working Group

Attendees

Brian Winters (IdenTrust), Bruce Morton (Entrust), Corey Bonnell (DigiCert), Dimitris Zacharopoulos (HARICA), Inaba Atsushi (GlobalSign), Josselin Allemandou (Certigna (DHIMYOTIS)), Kateryna Aleksieieva (Asseco Data Systems SA (Certum)), Marco Schambach (IdenTrust), Martijn Katerbarg (Sectigo), Nome Huang (TrustAsia), Scott Rea (eMudhra), Thomas Zermeno (SSL.com), Tim Crawford (CPA Canada/WebTrust), Yateesh Bhardwaj (GlobalSign)

Martijn called the meeting to order and read the Note Well.

The January 23rd meeting meetings were approved.

Maximum validity of CS certificates

Martijn said the proposed effective date is June 15th. He asked if we need to amend the date. Dimitris and Corey both said that we need to discuss the date with Microsoft.

Aligning CSBRs with recent SCWG ballots

Bruce said the ballot is ready to move forward. Corey will propose and Martijn and Bruce will endorse.

Cleanup ballot

Martijn is starting to work on this ballot to clean up effective dates.

Moving towards a single profile

No further discussion; need Microsoft on the call to help establish direction.

Any other business

Martijn said the recent meetings have been quite short. Scott suggested we could skip a meeting or two until Microsoft can participate.

Next meeting is February 20th.

Meeting adjourned.

Latest releases
Server Certificate Requirements
SC099: Improve Recording of Validation Methods - May 19, 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
v1.0.14 - Ballot SMC016 - May 5, 2026

This ballot maintains consistency between the S/MIME Baseline Requirements and the TLS Baseline Requirements with changes introduced by Ballots SC096 and SC097. Specifically, this ballot: Creates a carve-out of the logging requirements for DNSSEC specifically, stating these are not in scope. For audit purposes, change management logging is able to confirm if the appropriate controls are in effect or not. Sunsets all remaining use of SHA-1 signatures in Certificates and CRLs. It is noted that most uses of SHA-1 signatures are already deprecated by SC097. With this ballot, all unexpired Subordinate CA Certificates issuing S/MIME containing the SHA-1 signature algorithm must be revoked. This proposal does not prohibit the use of SHA-1 to generate issuerKeyHash or issuerNameHash values as currently required by RFC 5019. Includes minor formatting corrections.

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).