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<p><b><span lang="EN-US" style="font-size:10.0pt;font-family:"微軟正黑體",sans-serif;color:black">TWCA votes "yes" on ballot SC-076v2<o:p></o:p></span></b></p>
<p class="MsoNormal" style="background:white"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"微軟正黑體",sans-serif;color:black">Best Regards<o:p></o:p></span></b></p>
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<p class="MsoNormal" style="background:white"><b><span style="font-size:10.0pt;font-family:"微軟正黑體",sans-serif;color:black">蔡家宏
</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"微軟正黑體",sans-serif;color:black">Chya-Hung Tsai<b><o:p></o:p></b></span></p>
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<span lang="EN-US" style="font-size:9.0pt;font-family:"微軟正黑體",sans-serif;color:black">Director<o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:9.0pt;font-family:"微軟正黑體",sans-serif;color:black">Identification & Certificate Research<br>
Tel: +886-2-2370-8886 ext. 722<br>
Fax: +886-2-2388-6720<br>
Email: <a href="mailto:chtsai@twca.com.tw"><span style="color:#0563C1">chtsai@twca.com.tw</span></a><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span lang="EN-US" style="font-family:"微軟正黑體",sans-serif;color:black"><img border="0" width="145" height="55" style="width:1.5138in;height:.5763in" id="圖片_x0020_10" src="cid:image001.jpg@01DB1363.EA11D990" alt="cid:image001.jpg@01D936DB.2CA15A90"></span><span lang="EN-US" style="font-family:"微軟正黑體",sans-serif"><o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:9.0pt;font-family:"微軟正黑體",sans-serif;color:black">10F., No. 85, Yanping South Road,<o:p></o:p></span></p>
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<span lang="EN-US" style="font-size:9.0pt;font-family:"微軟正黑體",sans-serif;color:black">Taipei 100002, Taiwan(R.O.C.)</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Calibri",sans-serif;color:black">
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</span><span lang="EN-US" style="font-family:"Calibri",sans-serif;color:black"><a href="https://www.twca.com.tw/"><span style="font-size:9.0pt;color:#0563C1">https://www.twca.com.tw</span></a></span><span lang="EN-US" style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Servercert-wg <servercert-wg-bounces@cabforum.org>
<b>On Behalf Of </b>Aaron Gable via Servercert-wg<br>
<b>Sent:</b> Friday, September 27, 2024 3:01 AM<br>
<b>To:</b> CA/B Forum Server Certificate WG Public Discussion List <servercert-wg@cabforum.org><br>
<b>Subject:</b> [Servercert-wg] Voting Period Begins: Ballot SC-076v2 "Clarify and Improve OCSP Requirements"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">Purpose of Ballot</span></b><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">This is v2 of this ballot; you can see the discussion thread for v1 here: <a href="https://lists.cabforum.org/pipermail/servercert-wg/2024-August/004798.html" target="_blank">https://lists.cabforum.org/pipermail/servercert-wg/2024-August/004798.html</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">This ballot attempts to address three concerns:<br>
- The confusion around "reserved" serials, which do not actually exist because all Precertificate serials are assumed to also exist in corresponding Certificates and are therefore actually "assigned";<br>
- Confusion around whether, and how quickly, OCSP responders must begin providing authoritative responses for Certificates and Precertificates; and<br>
- Confusion around whether and how the OCSP requirements apply to Certificates which do not contain an AIA OCSP URL, but for which the CA's OCSP responder is still willing to provide responses.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">These concerns have been previously discussed in <a href="https://github.com/mozilla/pkipolicy/issues/280" target="_blank">this Mozilla policy bug</a>, <a href="https://github.com/cabforum/servercert/issues/422" target="_blank">this
ServerCert WG bug</a>, and <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1905419" target="_blank">this Bugzilla incident</a>.<br>
<br>
It addresses these concerns by:<br>
- Stating that OCSP responses must be available within 15 minutes of signing a certificate containing an AIA OCSP URL;<br>
- Removing the concept of a "reserved" serial entirely;<br>
- Moving all OCSP requirements into Section 4.9.9, leaving Section 4.9.10 (which RFC 3647 says is meant to place requirements on relying parties, not on CAs) empty; and<br>
- Organizing the requirements in Section 4.9.9 into three clusters:<br>
- Definitions of "validity interval", "assigned", and "unassigned";<br>
- Requirements on OCSP Responders, which apply only to responses from AIA OCSP URLs found in issued certs; and<br>
- Requirements on OCSP Responses, which apply to all responses regardless of whether the certificate in question has an AIA OCSP URL.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">GitHub PR representing this ballot: <a href="https://github.com/cabforum/servercert/pull/535" target="_blank">https://github.com/cabforum/servercert/pull/535</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Rendered view of the resulting text: <a href="https://github.com/cabforum/servercert/blob/a8a36690802250cdbe508a6c1f99f700a5357bd3/docs/BR.md#499-on-line-revocationstatus-checking-availability" target="_blank">https://github.com/cabforum/servercert/blob/a8a36690802250cdbe508a6c1f99f700a5357bd3/docs/BR.md#499-on-line-revocationstatus-checking-availability</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">Motion</span></b><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">The following motion has been proposed by Aaron Gable (Let's Encrypt / ISRG), and is endorsed by Ben Wilson (Mozilla) and Antonis Eleftheriadis (HARICA).<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">Motion Begins</span></b><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Modify the "Baseline Requirements for the Issuance and Management of Publicly-Trusted TLS Server Certificates", based on Version 2.0.6, as specified in the following redline:<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><a href="https://github.com/cabforum/servercert/compare/929d9b4a1ed1f13f92f6af672ad6f6a2153b8230...a8a36690802250cdbe508a6c1f99f700a5357bd3" target="_blank">https://github.com/cabforum/servercert/compare/929d9b4a1ed1f13f92f6af672ad6f6a2153b8230...a8a36690802250cdbe508a6c1f99f700a5357bd3</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">Motion Ends</span></b><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">This ballot proposes a Final Maintenance Guideline. The procedure for approval of this ballot is as follows:<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">Discussion Period (at least 7 days)</span></b><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Start: August 29, 2024 19:00 UTC<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">End: September 26, 2024 19:00 UTC<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">Voting Period (7 days)</span></b><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">Start: September 26, 2024 19:00 UTC<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">End: October 3, 2024 19:00 UTC<o:p></o:p></span></p>
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