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    Hi Corey, <br>
    <br>
    Thanks for providing additional information about these issues.
    Unfortunately I was away for both of the two meetings you mentioned
    but I did look through those minutes and didn't consider them
    conclusive on the two issues at hand.<br>
    <br>
    <div class="moz-cite-prefix">On 13/9/2022 8:58 μ.μ., Corey Bonnell
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:DM6PR14MB2186EDC3DCA0EF9EFECD939192479@DM6PR14MB2186.namprd14.prod.outlook.com">
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      <div class="WordSection1">
        <p class="MsoNormal">Hi Dimitris,<o:p></o:p></p>
        <p class="MsoNormal">The requirements for CRL and OCSP were
          discussed in the June 22<sup>nd</sup> meeting. The minutes are
          available here: <a
href="https://lists.cabforum.org/pipermail/smcwg-public/2022-August/000393.html"
            moz-do-not-send="true" class="moz-txt-link-freetext">https://lists.cabforum.org/pipermail/smcwg-public/2022-August/000393.html</a><o:p></o:p></p>
        <p class="MsoNormal">The conclusion from that meeting was that
          mail clients currently support different revocation
          mechanisms. Given the lack of consistency across Application
          Software Suppliers, it was agreed to reflect existing Root
          Program requirements in the SMBRs. Given that MSFT Root Policy
          explicitly mandates OCSP for end-entity certificates, this
          requirement was reflected in the SMBRs.</p>
      </div>
    </blockquote>
    <br>
    This is not my reading of those minutes. Here is a copy from a
    portion of those minutes:<br>
    <br>
    <blockquote type="cite">
      <pre>The WG continued to discuss comments that had been made in favor of making either CRL or OCSP optional. Martijn proposed a PR attempting to blend those changes. Stephen noted that the Microsoft policy required OCSP. Clint noted that Apple's requirement required CRL support (reported in CCDAB but not necessarily in a CDP in the leaf). Ben Wilson noted that Thunderbird preferred OCSP over CRL. However he also noted the possible privacy concerns that some may have regarding OCSP being used to mine information about users opening encrypted emails. Corey Bonnell pointed out that the same privacy issues could befall CRL as well in the case of sharded CRLs.

Stephen stated that he felt the draft S/MIME BR must make OCSP and CRL mandatory unless there was an explicit allowance on the point by the overarching root store requirements. He suggested revocation information of nonTLS certificates may be a useful topic at the next CABF F2F.  Stefan Selbitschka noted the privacy issues relating to revocation are equally a concern that should be placed upon the mail user agents. Stephen noted that he would adopt some of the improvements however found in Martijn's PR.</pre>
    </blockquote>
    <br>
    <br>
    It is clearly stated that Microsoft Trusted Root Program Policy
    mandates OCSP for end-entity certificates but, as already explained
    in my previous message, this is most likely a copy-over from the TLS
    BRs and already overridden by the Code Signing BRs. Also, <a
      moz-do-not-send="true"
      href="https://www.apple.com/certificateauthority/ca_program.html">Apple</a>,
    <a moz-do-not-send="true"
      href="https://support.google.com/a/answer/7300887">Gmail </a>and
    <a moz-do-not-send="true"
href="https://github.com/mozilla/pkipolicy/blob/master/rootstore/policy.md">Mozilla
    </a>Root Programs do not require OCSP for S/MIME Certificates. <br>
    <br>
    Setting up reliable OCSP infrastructure that is not used by the
    majority of mail clients is a huge burden for CAs. I don't object to
    doing an in-depth analysis with the collaboration of Certificate
    Consumers, and determine whether OCSP should be required or not in
    the next version of the SMBRs. However, until this analysis is
    performed, mandating OCSP for S/MIME Certificates seems premature.<br>
    <br>
    As Stephen mentioned on that call, we should defer and discuss this
    particular issue at the upcoming F2F meeting.<br>
    <br>
    <blockquote type="cite"
cite="mid:DM6PR14MB2186EDC3DCA0EF9EFECD939192479@DM6PR14MB2186.namprd14.prod.outlook.com">
      <div class="WordSection1">
        <p class="MsoNormal"><o:p></o:p></p>
        <p class="MsoNormal">Additionally, there was discussion on the
          inclusion of the countryName (and other geographic location
          attributes) on August 3<sup>rd</sup>: <a
href="https://lists.cabforum.org/pipermail/smcwg-public/2022-August/000433.html"
            moz-do-not-send="true" class="moz-txt-link-freetext">https://lists.cabforum.org/pipermail/smcwg-public/2022-August/000433.html</a>.
          The changes made to fix the issue that Martijn raised as well
          as the proposal to make the geographic location attributes
          optional were presented and no objections were raised at that
          time.<o:p></o:p></p>
      </div>
    </blockquote>
    <br>
    Similarly, I didn't ready anything in the quoted minutes about the
    countryName for those cases. <br>
    <br>
    <blockquote type="cite">
      <pre>The WG returned to the topic of the use of geographic attributes in the Subject DN. Stephen noted that conflicting text on the use of the L and ST attributes that had been copied from the TLS BR has now been removed. He noted that the attributes are not allowed in Mailbox-validated profiles, and that the WG had previously agreed to allow significant flexibility in the Legacy generation profiles. As it stands, the SBR stipulates MAY for the attributes in the Organization-, Sponsored-, and Individual-validated profiles.</pre>
    </blockquote>
    <br>
    <br>
    The discussion was mainly around the localityName and the
    stateOrProvinceName, especially in cases where the countryName is
    sufficient for disambiguating the organization. The countryName
    attribute is included in every ETSI-issued identity Certificate used
    for S/MIME and is extremely easy to validate, as explained in my
    previous message. Please consider at least requiring the countryName
    for the Strict and Multipurpose profiles.<br>
    <br>
    <br>
    Thanks,<br>
    Dimitris.<br>
    <br>
    <br>
    <br>
    <blockquote type="cite"
cite="mid:DM6PR14MB2186EDC3DCA0EF9EFECD939192479@DM6PR14MB2186.namprd14.prod.outlook.com">
      <div class="WordSection1">
        <p class="MsoNormal">Thanks,<o:p></o:p></p>
        <p class="MsoNormal">Corey<o:p></o:p></p>
        <div>
          <div style="border:none;border-top:solid #E1E1E1
            1.0pt;padding:3.0pt 0in 0in 0in">
            <p class="MsoNormal"
              style="margin-bottom:0in;line-height:normal"><b>From:</b>
              Smcwg-public <a class="moz-txt-link-rfc2396E" href="mailto:smcwg-public-bounces@cabforum.org"><smcwg-public-bounces@cabforum.org></a> <b>On
                Behalf Of </b>Dimitris Zacharopoulos (HARICA) via
              Smcwg-public<br>
              <b>Sent:</b> Tuesday, September 13, 2022 12:10 PM<br>
              <b>To:</b> Stephen Davidson
              <a class="moz-txt-link-rfc2396E" href="mailto:Stephen.Davidson@digicert.com"><Stephen.Davidson@digicert.com></a>; SMIME Certificate
              Working Group <a class="moz-txt-link-rfc2396E" href="mailto:smcwg-public@cabforum.org"><smcwg-public@cabforum.org></a><br>
              <b>Subject:</b> Re: [Smcwg-public] Ballot SMC01: Final
              Guideline for “S/MIME Baseline Requirements”<o:p></o:p></p>
          </div>
        </div>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
        <div>
          <p class="MsoNormal" style="margin-bottom:0in">On 13/9/2022
            7:01 μ.μ., Stephen Davidson wrote:<o:p></o:p></p>
        </div>
        <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
          <p class="MsoNormal">Hi Dimitris:<o:p></o:p></p>
          <p class="MsoNormal">Thank you for the feedback.  Both these
            points were addressed in our earlier discussions regarding
            the draft.<o:p></o:p></p>
          <p class="MsoNormal">On the issue of OCSP support, you may
            recall that there were varying proposals for varying the
            requirements for both CRL and OCSP but the fact remains that
            different root distribution programs have pre-existing
            requirements for both of them.  Thus, the decision was made
            to retain the existing text.  I have suggested that
            revocation services would be a useful focus subject for a
            future CABF F2F as this topic seems to come up in different
            WG, and any changes must have the support of all the root
            programs.<o:p></o:p></p>
          <p class="MsoNormal">Similarly, on the issue of C in the
            Subject DN, this was previously discussed several times and
            the decision was made to stick the current text where the CA
            MAY use the attribute but is not required to.<o:p></o:p></p>
          <p class="MsoNormal">Best regards, Stephen<o:p></o:p></p>
        </blockquote>
        <p class="MsoNormal"
          style="margin-bottom:0in;line-height:normal"><br>
          I did a quick search in previous minutes and I couldn't find
          consensus for both those topics. If you can point me to these
          previous discussions and minutes that demonstrate consensus
          among the group, it would be very helpful. <br>
          <br>
          For the OCSP topic, you mention that "different root
          distribution programs have pre-existing requirements". Which
          program, other than Microsoft, requires OCSP for S/MIME
          Certificates?<br>
          <br>
          As things stand, HARICA will be forced to vote "No" to this
          ballot.<br>
          <br>
          <br>
          Dimitris.<br>
          <br>
          <o:p></o:p></p>
        <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
          <p class="MsoNormal"> <o:p></o:p></p>
          <p class="MsoNormal"> <o:p></o:p></p>
          <div>
            <div style="border:none;border-top:solid #E1E1E1
              1.0pt;padding:3.0pt 0in 0in 0in">
              <p class="MsoNormal"
                style="margin-bottom:0in;line-height:normal"><b>From:</b>
                Smcwg-public <a
                  href="mailto:smcwg-public-bounces@cabforum.org"
                  moz-do-not-send="true"><smcwg-public-bounces@cabforum.org></a>
                <b>On Behalf Of </b>Dimitris Zacharopoulos (HARICA) via
                Smcwg-public<br>
                <b>Sent:</b> Tuesday, September 13, 2022 7:25 AM<br>
                <b>To:</b> <a href="mailto:smcwg-public@cabforum.org"
                  moz-do-not-send="true" class="moz-txt-link-freetext">smcwg-public@cabforum.org</a><br>
                <b>Subject:</b> Re: [Smcwg-public] Ballot SMC01: Final
                Guideline for “S/MIME Baseline Requirements”<o:p></o:p></p>
            </div>
          </div>
          <p class="MsoNormal"> <o:p></o:p></p>
          <div>
            <p class="MsoNormal"><br>
              After a more detailed review by the HARICA team, we
              noticed some areas of concern that we hope will be
              considered for update by the authors and endorsers of this
              ballot.<o:p></o:p></p>
            <ol type="1" start="1">
              <li class="MsoNormal"
                style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l2
                level1 lfo3">7.1.2.3 c<o:p></o:p></li>
            </ol>
            <ol type="1" start="1">
              <ol type="1" start="1">
                <li class="MsoNormal"
                  style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l2
                  level2 lfo3">authorityInformationAccess (<b>SHALL </b>be
                  present) -> authorityInformationAccess (<b>SHOULD </b>be
                  present) [Rationale: OCSP is not currently required
                  for S/MIME Certificates by all Certificate Consumers.
                  Only Microsoft Root Program requires it and perhaps
                  this is due to a copy-over from the TLS BRs without
                  performing a technical analysis specifically on S/MIME
                  or clientAuth or codeSigning Certificates. The CSCWG
                  already removed the requirement for OCSP in Subscriber
                  Certificates in the CSBRs].<o:p></o:p></li>
                <li class="MsoNormal"
                  style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l2
                  level2 lfo3">The authorityInformationAccess extension
                  <b>SHALL </b>contain at least one accessMethod value
                  of type id-ad-ocsp that specifies the URI of the
                  Issuing CA’s OCSP responder. -> The
                  authorityInformationAccess extension <b>MAY </b>contain
                  at least one accessMethod value of type id-ad-ocsp
                  that specifies the URI of the Issuing CA’s OCSP
                  responder. [Rationale: same as above]<o:p></o:p></li>
              </ol>
            </ol>
            <ol type="1" start="2">
              <li class="MsoNormal"
                style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l2
                level1 lfo3">7.1.4.2.4 Subject DN attributes for
                organization-validated profile and 7.1.4.2.5 Subject DN
                attributes for sponsor-validated profile<br>
                    subject:countryName <b>MAY </b>->
                subject:countryName <b>SHALL </b>[Rationale:
                Organization Names must contain a Country Name to
                indicate where this Organization is located. This
                applies to the organization-validated and the
                sponsor-validated profile. It is also referenced in
                Appendix A - Registration Schemes]<o:p></o:p></li>
            </ol>
            <p class="MsoNormal" style="margin-bottom:0in"><br>
              Thank you,<br>
              Dimitris.<br>
              <br>
              <br>
              On 8/9/2022 10:03 π.μ., Stephen Davidson via Smcwg-public
              wrote:<o:p></o:p></p>
          </div>
          <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
            <p style="margin:0in;background:white"><strong><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333;border:none
                  windowtext 1.0pt;padding:0in">Ballot SMC01: Final
                  Guideline for “S/MIME Baseline Requirements” </span></strong><o:p></o:p></p>
            <p style="margin:0in;background:white"><strong><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333;border:none
                  windowtext 1.0pt;padding:0in"> </span></strong><o:p></o:p></p>
            <p style="margin:0in;background:white"><strong><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333;border:none
                  windowtext 1.0pt;padding:0in">Purpose of Ballot:</span></strong><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><o:p></o:p></p>
            <p class="MsoNormal"><span
style="font-size:10.0pt;line-height:105%;font-family:"Arial",sans-serif;color:#333333">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.</span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">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.</span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333;background:white">The
                following motion has been proposed by Stephen Davidson
                of DigiCert and endorsed by Martijn Katerbarg of Sectigo
                and ­­­Ben Wilson of Mozilla.</span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><o:p></o:p></p>
            <p style="margin:0in;background:white"><strong><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333;border:none
                  windowtext 1.0pt;padding:0in">Charter Voting
                  References</span></strong><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
                style="color:black"><a
href="https://github.com/cabforum/servercert/blob/e6ad111f4477010cbff409cd939c5ac1c7c85ccc/docs/SMCWG-charter.md#51-voting-structure"
                  moz-do-not-send="true"><span
                    style="font-size:10.0pt;font-family:"Arial",sans-serif">Section
                    5.1 (“Voting Structure”)</span></a></span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">
                of the SMCWG Charter says:</span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">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).</span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><o:p></o:p></p>
            <p style="margin:0in;background:white"><strong><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333;border:none
                  windowtext 1.0pt;padding:0in">— MOTION BEGINS —</span></strong><b><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333;border:none
                  windowtext 1.0pt;padding:0in"><br>
                </span></b><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"><br>
                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.</span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">The
                proposed S/MIME Baseline Requirements may be found at </span><span
                style="color:black"><a
href="https://github.com/cabforum/smime/compare/7b3ab3c55dd92052a8dc0d4f85a2ac26269c222e...28c0b904fe54f1c5f6c71d18c4786a3e02c76f52"
                  moz-do-not-send="true"><span
                    style="font-size:10.0pt;font-family:"Arial",sans-serif">https://github.com/cabforum/smime/compare/7b3ab3c55dd92052a8dc0d4f85a2ac26269c222e...28c0b904fe54f1c5f6c71d18c4786a3e02c76f52</span></a></span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">
                or the attached document.</span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">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.</span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><o:p></o:p></p>
            <p style="margin:0in;background:white"><strong><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333;border:none
                  windowtext 1.0pt;padding:0in">— MOTION ENDS —</span></strong><b><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333;border:none
                  windowtext 1.0pt;padding:0in"><br>
                </span></b><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"><br>
                This ballot proposes a Final Guideline. The procedure
                for approval of this ballot is as follows:</span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">Discussion
                (7+ days)</span><span style="color:black"><br>
              </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">Start
                Time: 8 September 2022 17:00 UTC</span><span
                style="color:black"><br>
              </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">End
                Time: 15 September 2022 17:00 UTC</span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">Vote
                for approval (7 days)</span><span style="color:black"><br>
              </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">Start
                Time: 15 September 2022 17:00 UTC</span><span
                style="color:black"><br>
              </span><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">End
                Time: 22 September 2022 17:00 UTC</span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><o:p></o:p></p>
            <p style="margin:0in;background:white"><span
style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">IPR
                Review (60 days)</span><o:p></o:p></p>
            <p class="MsoNormal"
              style="margin-bottom:0in;line-height:normal"><br>
              <br>
              <br>
              <o:p></o:p></p>
            <pre>_______________________________________________<o:p></o:p></pre>
            <pre>Smcwg-public mailing list<o:p></o:p></pre>
            <pre><a href="mailto:Smcwg-public@cabforum.org" moz-do-not-send="true" class="moz-txt-link-freetext">Smcwg-public@cabforum.org</a><o:p></o:p></pre>
            <pre><a href="https://lists.cabforum.org/mailman/listinfo/smcwg-public" moz-do-not-send="true" class="moz-txt-link-freetext">https://lists.cabforum.org/mailman/listinfo/smcwg-public</a><o:p></o:p></pre>
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