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2023-07-20 Minutes of the Server Certificate Working Group

ServerCert WG Meeting: July 20, 2023

Attendance (from WebEx)

Aaron Gable – (Let’s Encrypt), Aaron Poulsen – (Amazon), Abdul Hakeem Putra – (MSC Trustgate Sdn Bhd), Abhishek Bhat – (eMudhra), Adam Clark – (Visa), Adam Jones – (Microsoft), Andrea Holland – (VikingCloud), Ben Wilson – (Mozilla), Bruce Morton – (Entrust), Chad Ehlers – (IdenTrust), Chris Clements – (Google), Clint Wilson – (Apple), Corey Bonnell – (DigiCert), Daryn Wright – (GoDaddy), Dean Coclin – (DigiCert), Dimitris Zacharopoulos – (HARICA), Doug Beattie – (GlobalSign), Dustin Hollenback – (Microsoft), Eva Vansteenberge – (GlobalSign), Fumi Yoneda – (Japan Registry Services), Inaba Atsushi – (GlobalSign), Inigo Barreira – (Sectigo), Jamie Mackey – (US Federal PKI Management Authority), Joanna Fox – (TrustCor Systems), Jos Purvis – (Fastly), Lynn Jeun – (Visa), Marcelo Silva – (Visa), Marco Schambach – (IdenTrust), Michelle Coon – (OATI), Miguel Sanchez – (Google), Nargis Mannan – (VikingCloud), Nate Smith – (GoDaddy), Nicol So – (CommScope), Pedro Fuentes – (OISTE Foundation), Peter Miskovic – (Disig), Rebecca Kelley – (Apple), Rollin Yu – (TrustAsia Technologies, Inc.), Roman Fischer – (SwissSign), Ryan Dickson – (Google), Tadahiko Ito – (SECOM Trust Systems), Thomas Zermeno – (SSL.com), Tim Hollebeek – (DigiCert), Tobias Josefowitz – (Opera Software AS), Wayne Thayer – (Fastly), Wendy Brown – (US Federal PKI Management Authority), Yoshiro Yoneya – (Japan Registry Services).

Minutes

  1. Note-well: Read in previous meeting.
  2. Approval of minutes:
  • F2F 59 minutes approved.
  • July 6 minutes approved.
  1. GitHub Open issues
  • 8 remaining open, three are 2-3 years old – request owners to review.
  • 11 open pull requests, three are 4-6 years old – request owners to review.
  • EVGs to RFC 3647 format – draft version is ready for suggestions and comments.
  1. Ballots
  • SC63 – Make OCSP optional, require CRLs, incentivize automation: Passed and in IPR review.
  • SC59 – Weak Keys Guidance: Failed.
  • Overall, more discussion was requested.
  • Follow up discussions are on the mailing list.
  1. Any Other Business
  2. Next call: August 3
  • Wayne and Dimitris agreed to handle calls on August 3 and August 17 as Inigo is away.
  1. Adjourn
Latest releases
Server Certificate Requirements
SC095v3: Clean-up 2025 - Apr 2, 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).