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<p class="MsoNormal">Oh – didn’t answer the full question. I came from the people interacting with the government site, so the use of the TLS as client-auth.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Ryan Sleevi <sleevi@google.com> <br>
<b>Sent:</b> Monday, September 21, 2020 12:01 PM<br>
<b>To:</b> Jeremy Rowley <jeremy.rowley@digicert.com><br>
<b>Cc:</b> CABforum3 <validation@cabforum.org>; Richard Smith <rich@sectigo.com><br>
<b>Subject:</b> Re: [cabf_validation] Revision to OU requirements<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Can you clarify: Was this at the request of BCSS (the "server", in their parlance) or in the use of TLS certificates as client-auth certificates? <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">This appears to be detailing a very specific mutual-TLS authentication flow, and it's unclear whether or not a browser-used CA is essential for this.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Mon, Sep 21, 2020 at 1:53 PM Jeremy Rowley <<a href="mailto:jeremy.rowley@digicert.com">jeremy.rowley@digicert.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">We found another program that requires OU.
<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a href="https://www.ksz.fgov.be/sites/default/files/assets/diensten_en_support/08soa_customer2bcss_nl.pdf" target="_blank">https://www.ksz.fgov.be/sites/default/files/assets/diensten_en_support/08soa_customer2bcss_nl.pdf</a><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I don’t read Dutch, but I guess the government program is rejecting certificates if the certificate does not contain an OU.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>From:</b> Jeremy Rowley
<br>
<b>Sent:</b> Wednesday, September 2, 2020 2:29 PM<br>
<b>To:</b> Ryan Sleevi <<a href="mailto:sleevi@google.com" target="_blank">sleevi@google.com</a>><br>
<b>Cc:</b> CABforum3 <<a href="mailto:validation@cabforum.org" target="_blank">validation@cabforum.org</a>>; Richard Smith <<a href="mailto:rich@sectigo.com" target="_blank">rich@sectigo.com</a>><br>
<b>Subject:</b> RE: [cabf_validation] Revision to OU requirements<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Yeah – we wanted to see what would happen if we turned it off. So far, there hasn’t been a lot of noise. This is the first one we’ve encountered.
<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">VMware generate the OU as part of the cert request to create a unique identifier. The tool uses that unique identifier to do the installation. Removing the OU is breaking the VMware
install tool and causing it not to load the certificate. We’re reaching out to them to see if we can get them to update their software and stop requiring OU.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>From:</b> Ryan Sleevi <<a href="mailto:sleevi@google.com" target="_blank">sleevi@google.com</a>>
<br>
<b>Sent:</b> Wednesday, September 2, 2020 2:23 PM<br>
<b>To:</b> Jeremy Rowley <<a href="mailto:jeremy.rowley@digicert.com" target="_blank">jeremy.rowley@digicert.com</a>><br>
<b>Cc:</b> CABforum3 <<a href="mailto:validation@cabforum.org" target="_blank">validation@cabforum.org</a>>; Richard Smith <<a href="mailto:rich@sectigo.com" target="_blank">rich@sectigo.com</a>><br>
<b>Subject:</b> Re: [cabf_validation] Revision to OU requirements<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">On Wed, Sep 2, 2020 at 4:14 PM Jeremy Rowley <<a href="mailto:jeremy.rowley@digicert.com" target="_blank">jeremy.rowley@digicert.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">We’ve been working to shut off OU completely to see if there are issues with doing so. So far, we’ve found one automation tool that requires OU: <span style="font-size:11.5pt;font-family:Slack-Lato;color:black;background:#F8F8F8"><a href="https://kb.vmware.com/s/article/2044696" target="_blank">https://kb.vmware.com/s/article/2044696</a></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Thanks Jeremy! I saw DigiCert was taking a good step here, in <a href="https://knowledge.digicert.com/alerts/ou-removal.html" target="_blank">https://knowledge.digicert.com/alerts/ou-removal.html</a>
, and think that's a model for all CAs (by virtue of the BRs)<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I'm hoping you can share more details about the issue there. Are you saying the system doesn't load a publicly-trusted certificate if it's missing the OU field, or merely that their
tool produces CSRs with the OU field populated, as part of ensuring a globally unique DN?<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Much like past work on working out interoperable, standards-based approaches to IP addresses ( <a href="https://cabforum.org/guidance-ip-addresses-certificates/" target="_blank">https://cabforum.org/guidance-ip-addresses-certificates/</a>
), it'd be great to understand the problem more to see what options we have.<o:p></o:p></p>
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