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2023-08-10 Minutes of the Code Signing Certificate Working Group

Attendees: Abhishek Bhat (eMudhra), Andrea Holland (VikingCloud), Ben Dewberry (Keyfactor), Brianca Martin (Amazon), Corey Bonnell (DigiCert), Dean Coclin (DigiCert), Ian McMillan (Microsoft), Inaba Atsushi (GlobalSign), Martijn Katerbarg (Sectigo), Mohit Kumar (GlobalSign), Rollin Yu (TrustAsia Technologies, Inc.), Scott Rea (eMudhra), Tim Hollebeek (DigiCert), Tomas Gustavsson (PrimeKey)

Note Well: The Note Well was read.

Approval of Minutes: July 27th minutes are approved.

Interested Party application: Waiting on news from Adobe regarding their application.

Ballot Status:

Incorporating BR references
Ballot has passed and is now in IPR review period.
Signing Service
Bruce is out this week as such there’s no update on this ballot.
Timestamping changes ballot
Ian and Bruce are working on this language. Language needs to be tweaked with some additional clarifications
Ian poses the question if we need to specify how audit criteria around key destruction should be collected. Corey mentioned he believes there’s already guidance available for auditors on the WebTrust front.

Presentation on Certificate Transparency

Tim Hollebeek ran a presentation on CT for Code Signing. Slides of this presentation are attached to these minutes.

Gather information for a Lessons Learned after hardware requirement changes

Ben mentioned an issue that was noticed signing Office Macros. Ian will look into it as it appears to be a Microsoft restriction

Any Other Business

Next Meeting

August 24th

Latest releases

Server Certificate Requirements
SC-089: Mass Revocation Planning - Aug 26, 2025

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
v1.0.12 - Ballot SMC014 - Oct 13, 2025

This ballot introduces requirements that a Certificate Issuer MUST deploy DNSSEC validation back to the IANA DNSSEC root trust anchor on all DNS queries associated with CAA record lookups performed by the Primary Network Perspective, effective March 15, 2026. The ballot is intended to maintain consistency in the S/MIME Baseline Requirements with the requirements of Ballot SC-085 which implemented identical requirements in the TLS Baseline Requirements. Note: SC-085 also introduced requirements in TLS Baseline Requirements for the use of DNSSEC in domain control validation. These requirements are automatically adopted in the S/MIME BR by the email domain control methods that include a normative reference to section 3.2.2.4 of the TLS Baseline Requirements. The draft also includes minor corrections to web links in the text. This ballot is proposed by Stephen Davidson (DigiCert) and endorsed by Client Wilson (Apple) and Ashish Dhiman (GlobalSign).

Network and Certificate System Security Requirements
Version 2.0.5 (Ballot NS-008) - Jul 9, 2025