<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Thanks Erwann. I see you clarified for me so as mentioned prior to seeing your reply, I'll amend tomorrow. <br><br>Sent from my iPhone</div><div><br>On 17 Jul 2013, at 18:59, Erwann Abalea <<a href="mailto:erwann.abalea@keynectis.com">erwann.abalea@keynectis.com</a>> wrote:<br><br></div><blockquote type="cite"><div>
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<div class="moz-cite-prefix">The NameConstraints extension can only
be included in a CA certificate (its use in an EE certificate has
no meaning).<br>
You're right, the additional <b>certificate</b> word makes the
sentence more clear.<br>
<br>
<pre class="moz-signature" cols="72">--
Erwann ABALEA
</pre>
Le 17/07/2013 19:20, <a class="moz-txt-link-abbreviated" href="mailto:kirk_hall@trendmicro.com">kirk_hall@trendmicro.com</a> a écrit :<br>
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<div class="WordSection1">
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">In
reading Ballot 105, our technical team has a question about
Section 9.7, particularly this paragraph<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif""><o:p> </o:p></span></p>
<p class="Default" style="margin-left:.5in"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext">If
the Subordinate CA Certificate includes the id-kp-serverAuth
extended key usage<u>, then the Subordinate CA MUST include
the Name Constraints X.509v3 extension with constraints on
dNSName, iPAddress and DirectoryName</u> as follows:-
<o:p></o:p></span></p>
<p class="Default" style="margin-left:.5in"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext"><o:p> </o:p></span></p>
[...]<span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext"><o:p></o:p></span>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:windowtext"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">The
wording “then the Subordinate CA MUST include the Name
Constraints X.509v3 extension” is not clear as to whether
the constraints are applied to the sub CA certificate or to
an EE certificate the sub CA is going to issue. Should it
read “then the Subordinate CA *<b><i><u>certificate</u></i></b>*
MUST include the Name Constraints X.509v3 extension ***” for
clarity? Is that the intention?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span><br>
</p>
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