[Cscwg-public] CSCWG Final Minutes May 18, 2023

Dean Coclin dean.coclin at digicert.com
Tue Jun 6 21:06:30 UTC 2023

Code Signing WG Minutes 2023-MAY-18



Dean Coclin (DigiCert), Martijn Katerbarg (Sectigo), Ben Dewberry
(Keyfactor), Roberto Quiñones (Intel), Bruce Morton (Entrust), Tim Hollebeek
(DigiCert), Ian McMillan (Microsoft), Tim Crawford (BDO),  Atsushi Inaba
(GlobalSign), Eva Van Steenberge (GlobalSign), Inigo Barreira (Sectigo),
Bianca Martin (Amazon), Corey Bonnell (DigiCert), Rollin Yu (TrustAsia),
Mohit Kumar (GlobalSign)



*	The Antitrust statement was read
*	Minutes from May 4th approved
*	Ballot: CSC 18 – Malware base revocation (Martijn)

*	In discussion period, voting period ending before meeting is over
*	Dean: tracker shows quorum met

*	Removing SSL BR References

*	Martjin: About half docs reviewed for missing definitions. Removed 2
definitions that are not used. A couple may need to be added, will need to

*	Subject Name stability

*	Email from new interested party (Mike Hearn)
*	Ian: MSIX (Appx) does hash calculation of the publisher’s name value
that is in the manifest and compares it to the full subject name value of
signing certificate

*	Was working fine when only used inside of store distribution. As its
been rolled out broadly to allow MSI package into MSIX, they’ve run into
this issue for companies that change their name or locale.
*	New packages would validate fine but presents inability to update
existing apps because it depends on Package Name alignment.
*	This is Microsoft MSIX issue, not a broad certificate issuance

*	Tim: This is example of using [subject] name instead of global
identifier and this has all the issues that are well known.
*	Bruce: Even global identifier might change if company changes name,
like with SSL and org ID
*	Ian: Apple and Google offer ways to uniquely identify orgs. If
Microsoft offered something similar, it would not be something that Public
CAs should have to do.
*	Ian will draft a response to this email

*	June F2F is June 6th afternoon.

*	Dean moves to cancel call scheduled for Jun 1st. No objections
*	Agenda for F2F

*	Time: 1:45pm to 3:45pm (nothing scheduled after this, so could keep
*	Ian: no guest speaker for code signing workgroup.  Roy Williams is
going to talk about Secure Supply Chain Integrity, Trust and Transparency.
*	Bruce: Spend some time reviewing time stamping changes Ian is
proposing. Discuss EV Certificates. Continue discussion on Certificate
*	Dean may not be able to attend in person, Bruce can facilitate





Dean Coclin



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