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2023-01-12 Minutes of the Code Signing Certificate Working Group

Attendees

Atsushi Inaba, Ben Dewberry, Corey Bonnell, Dean Coclin, Dimitris Zacharopoulos, Inigo Barreira, Janet Hines, Martijn Katerbarg, Michael Sykes, Mohit Kumar, Rollin Yu, Tim Crawford

Minutes

Minute Taker: Janet Hines.

Antitrust statement was read by Dean Coclin.

Approved minutes from December 15, 2022 meeting.

Ballot around malware revocation

Alternate language is being reviewed. Will update on next call.

Signing service discussion

No updates.

Removing SSL BR references

Section 7.1.4.2.3 had several BR references that need more discussion. Will update on next call.

Other Business

None.

Next meeting is January 26, 2023, Meeting was adjourned.

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).