[Smcwg-public] Ballot SMC01: Final Guideline for “S/MIME Baseline Requirements”

Tue Sep 13 13:27:24 UTC 2022

Since the NCSSRs apply to TLS, Code Signing and soon to be S/MIME certificates, I would suggest the NCSSRs should take precedence over the certificate documents. I don’t think it would make sense for a CA to be expected to deploy network security differently based on the certificate being issued.
I really think this is a non-issue and the certificate working group should correct any conflicts through ballot.

Bruce.
From: Smcwg-public <smcwg-public-bounces at cabforum.org> On Behalf Of Hongquan Yin via Smcwg-public
Sent: Tuesday, September 13, 2022 7:41 AM
To: Stephen Davidson <Stephen.Davidson at digicert.com>; SMIME Certificate Working Group <smcwg-public at cabforum.org>
Subject: [EXTERNAL] Re: [Smcwg-public] Ballot SMC01: Final Guideline for “S/MIME Baseline Requirements”

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After sharing the guideline to more people in Microsoft, we have some feedback regarding below line:
“6.7 Network security controls
The CA/Browser Forum’s Network and Certificate System Security Requirements are incorporated by reference as if fully set forth herein.”

While the goal of the NCSSR’s is to be certificate agnostic, the history is mostly related to TLS. There’s a risk that a requirement has already been implemented or could be implemented that would conflict with S/MIME requirements. We would recommend adding a statement that if there are any conflicts, that the S/MIME Baseline Requirements take precedence.
Possibly add a sentence such as: “In the event of a conflict between the S/MIME BRs and the NCSSRs, the S/MIME BRs will take precedence.”

Thank you for considering the change.
Hongquan Yin

From: Smcwg-public <smcwg-public-bounces at cabforum.org<mailto:smcwg-public-bounces at cabforum.org>> On Behalf Of Stephen Davidson via Smcwg-public
Sent: Thursday, September 8, 2022 3:03 PM
To: smcwg-public at cabforum.org<mailto:smcwg-public at cabforum.org>
Subject: [EXTERNAL] [Smcwg-public] Ballot SMC01: Final Guideline for “S/MIME Baseline Requirements”

Ballot SMC01: Final Guideline for “S/MIME Baseline Requirements”

Purpose of Ballot:

The S/MIME Certificate Working Group was chartered to discuss, adopt, and maintain policies, frameworks, and standards for the issuance and management of Publicly-Trusted S/MIME Certificates.  This ballot adopts a new “S/MIME Baseline Requirements” that includes requirements for verification of control over email addresses, identity validation for natural persons and legal entities, key management and certificate lifecycle, certificate profiles for S/MIME Certificates and Issuing CA Certificates, as well as CA operational and audit practices.

An S/MIME Certificate for the purposes of this document can be identified by the existence of an Extended Key Usage (EKU) for id-kp-emailProtection (OID: 1.3.6.1.5.5.7.3.4) and the inclusion of a rfc822Name or an otherName of type id-on-SmtpUTF8Mailbox in the subjectAltName extension in the Certificate.

The following motion has been proposed by Stephen Davidson of DigiCert and endorsed by Martijn Katerbarg of Sectigo and Ben Wilson of Mozilla.

Charter Voting References

Section 5.1 (“Voting Structure”)<https://urldefense.com/v3/__https:/nam06.safelinks.protection.outlook.com/?url=https*3A*2F*2Fgithub.com*2Fcabforum*2Fservercert*2Fblob*2Fe6ad111f4477010cbff409cd939c5ac1c7c85ccc*2Fdocs*2FSMCWG-charter.md*2351-voting-structure&data=05*7C01*7Chongquan.yin*40microsoft.com*7C70f13519b92c4417b4f508da91682f2b*7C72f988bf86f141af91ab2d7cd011db47*7C1*7C0*7C637982174108537999*7CUnknown*7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0*3D*7C3000*7C*7C*7C&sdata=HhWwlEUw7uF2tm*2Fzit*2BBZmgz7*2Bp0jct*2BHpHkEe5BDuQ*3D&reserved=0__;JSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUl!!FJ-Y8qCqXTj2!bWnvHPfCC3lJ-KbHci51bKRgKlhjdnc9268DFF06vf4uwVnm02oCOBMe-etaI9xO36KbTeDwFmakK0z976n3T_UkEPs0$> of the SMCWG Charter says:

In order for a ballot to be adopted by the SMCWG, two-thirds or more of the votes cast by the Certificate Issuers must be in favor of the ballot and more than 50% of the votes cast by the Certificate Consumers must be in favor of the ballot. At least one member of each class must vote in favor of a ballot for it to be adopted. Quorum is the average number of Member organizations (cumulative, regardless of Class) that have participated in the previous three (3) SMCWG Meetings or Teleconferences (not counting subcommittee meetings thereof).

— MOTION BEGINS —

This ballot adopts the “Baseline Requirements for the Issuance and Management of Publicly-Trusted S/MIME Certificates” (“S/MIME Baseline Requirements”) as Version 1.0.0.

The proposed S/MIME Baseline Requirements may be found at https://github.com/cabforum/smime/compare/7b3ab3c55dd92052a8dc0d4f85a2ac26269c222e...28c0b904fe54f1c5f6c71d18c4786a3e02c76f52<https://urldefense.com/v3/__https:/nam06.safelinks.protection.outlook.com/?url=https*3A*2F*2Fgithub.com*2Fcabforum*2Fsmime*2Fcompare*2F7b3ab3c55dd92052a8dc0d4f85a2ac26269c222e...28c0b904fe54f1c5f6c71d18c4786a3e02c76f52&data=05*7C01*7Chongquan.yin*40microsoft.com*7C70f13519b92c4417b4f508da91682f2b*7C72f988bf86f141af91ab2d7cd011db47*7C1*7C0*7C637982174108694198*7CUnknown*7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0*3D*7C3000*7C*7C*7C&sdata=LeGxSesCeeTKziMM1pTk985zVUXqAwvzuEWlVJJ6OyQ*3D&reserved=0__;JSUlJSUlJSUlJSUlJSUlJSUlJSUlJSU!!FJ-Y8qCqXTj2!bWnvHPfCC3lJ-KbHci51bKRgKlhjdnc9268DFF06vf4uwVnm02oCOBMe-etaI9xO36KbTeDwFmakK0z976n3T_BUsJam$> or the attached document.

The SMCWG Chair or Vice-Chair is permitted to update the Relevant Dates and Version Number of the S/MIME Baseline Requirements to reflect final dates.

— MOTION ENDS —

This ballot proposes a Final Guideline. The procedure for approval of this ballot is as follows:

Discussion (7+ days)
Start Time: 8 September 2022 17:00 UTC
End Time: 15 September 2022 17:00 UTC

Vote for approval (7 days)
Start Time: 15 September 2022 17:00 UTC
End Time: 22 September 2022 17:00 UTC

IPR Review (60 days)

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