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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext'>I’d like suggestions on an effective date.<o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext'><o:p> </o:p></span></a></p><span style='mso-bookmark:_MailEndCompose'></span><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext'> public-bounces@cabforum.org [mailto:public-bounces@cabforum.org] <b>On Behalf Of </b>Dimitris Zacharopoulos<br><b>Sent:</b> Friday, April 22, 2016 2:23 AM<br><b>To:</b> public@cabforum.org<br><b>Subject:</b> Re: [cabfpub] Pre-Ballot 164 - Certificate Serial Number Entropy<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On 21/4/2016 4:07 πμ, Jacob Hoffman-Andrews wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>I think the question of how to define entropy or CSPRNGs is a really good one, but I think the core of this ballot, changing a SHOULD to a SHALL, is too important to hold up on that complex question. How about a version which is strictly no more ambiguous that the current version: <o:p></o:p></p><div><p><span style='font-size:9.5pt'>"Effective April 1, 2016, CAs SHALL use a Certificate serialNumber greater than zero (0) that exhibits at least 64 bits of entropy."<o:p></o:p></span></p><p><span style='font-size:9.5pt'>Let's Encrypt would be happy to endorse such a ballot.<o:p></o:p></span></p></div></div><p class=MsoNormal><br><br><br><o:p></o:p></p><pre>_______________________________________________<o:p></o:p></pre><pre>Public mailing list<o:p></o:p></pre><pre><a href="mailto:Public@cabforum.org">Public@cabforum.org</a><o:p></o:p></pre><pre><a href="https://cabforum.org/mailman/listinfo/public">https://cabforum.org/mailman/listinfo/public</a><o:p></o:p></pre></blockquote><p class=MsoNormal><br>In order to make this rule a little clearer, we suggest changing it to:<br><br>"Effective XXXX, 2016, CAs SHALL use a Certificate serialNumber greater than zero (0) that exhibits at least 64 bits of entropy for all issued certificates, including CA certificates".<br><br>Since this discussion begun in February, I suppose the effective date will be adjusted accordingly to a date after the ballot and not "April 1, 2016".<br><br><br>Dimitris.<o:p></o:p></p></div></body></html>