<html>
  <head>
    <meta content="text/html; charset=windows-1252"
      http-equiv="Content-Type">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
<a class="moz-txt-link-freetext" href="http://blogs.technet.com/b/pki/archive/2013/11/12/sha1-deprecation-policy.aspx#pi47623=2">http://blogs.technet.com/b/pki/archive/2013/11/12/sha1-deprecation-policy.aspx#pi47623=2</a><br>
    <br>
    CRLs will be SHA2-signed by 01/01/2016. See responses by "Amerk
    [MSFT]".<br>
    <br>
    <pre class="moz-signature" cols="72">-- 
Erwann ABALEA

</pre>
    <div class="moz-cite-prefix">Le 23/03/2015 16:57, Rick Andrews a
      écrit :<br>
    </div>
    <blockquote
cite="mid:544B0DD62A64C1448B2DA253C01141460BD65E2098@TUS1XCHEVSPIN33.SYMC.SYMANTEC.COM"
      type="cite">
      <meta http-equiv="Content-Type" content="text/html;
        charset=windows-1252">
      <meta name="Generator" content="Microsoft Word 14 (filtered
        medium)">
      <style><!--
/* Font Definitions */
@font-face
        {font-family:Calibri;
        panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
        {font-family:Tahoma;
        panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0in;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
        {mso-style-priority:99;
        color:blue;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {mso-style-priority:99;
        color:purple;
        text-decoration:underline;}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
        {mso-style-priority:99;
        mso-style-link:"Balloon Text Char";
        margin:0in;
        margin-bottom:.0001pt;
        font-size:8.0pt;
        font-family:"Tahoma","sans-serif";}
p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph
        {mso-style-priority:34;
        margin-top:0in;
        margin-right:0in;
        margin-bottom:0in;
        margin-left:.5in;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Times New Roman","serif";}
span.EmailStyle18
        {mso-style-type:personal;
        font-family:"Calibri","sans-serif";
        color:#1F497D;}
span.EmailStyle19
        {mso-style-type:personal;
        font-family:"Calibri","sans-serif";
        color:#1F497D;}
span.EmailStyle20
        {mso-style-type:personal;
        font-family:"Calibri","sans-serif";
        color:windowtext;}
span.EmailStyle21
        {mso-style-type:personal;
        font-family:"Calibri","sans-serif";
        color:#1F497D;}
span.EmailStyle22
        {mso-style-type:personal;
        font-family:"Calibri","sans-serif";
        color:windowtext;}
span.EmailStyle23
        {mso-style-type:personal;
        font-family:"Calibri","sans-serif";
        color:#1F497D;}
span.EmailStyle24
        {mso-style-type:personal;
        font-family:"Calibri","sans-serif";
        color:#1F497D;}
span.EmailStyle25
        {mso-style-type:personal-reply;
        font-family:"Calibri","sans-serif";
        color:#1F497D;
        font-weight:normal;
        font-style:normal;}
span.BalloonTextChar
        {mso-style-name:"Balloon Text Char";
        mso-style-priority:99;
        mso-style-link:"Balloon Text";
        font-family:"Tahoma","sans-serif";}
.MsoChpDefault
        {mso-style-type:export-only;
        font-size:10.0pt;}
@page WordSection1
        {size:8.5in 11.0in;
        margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
        {page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
      <div class="WordSection1">
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Bruce,<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></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">At
            the Beijing meeting, Tom Albertson said that by 1/1/2017,
            even CRLs for SHA-1 roots had to be signed with SHA-2. <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></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Anoosh,
            I assume that’s still Microsoft’s policy.<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></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">-Rick<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></p>
        <div>
          <div style="border:none;border-top:solid #B5C4DF
            1.0pt;padding:3.0pt 0in 0in 0in">
            <p class="MsoNormal" style="margin-left:.5in"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
                <a class="moz-txt-link-abbreviated" href="mailto:public-bounces@cabforum.org">public-bounces@cabforum.org</a>
                [<a class="moz-txt-link-freetext" href="mailto:public-bounces@cabforum.org">mailto:public-bounces@cabforum.org</a>] <b>On Behalf Of </b>Bruce
                Morton<br>
                <b>Sent:</b> Monday, March 23, 2015 7:40 AM<br>
                <b>To:</b> Anoosh Saboori<br>
                <b>Cc:</b> CABFPub<br>
                <b>Subject:</b> Re: [cabfpub] Updates to Microsoft SHA-1
                deprecation<o:p></o:p></span></p>
          </div>
        </div>
        <p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi
            Anoosh,<o:p></o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I
            might be the only one, but I am a little confused regarding
            the Windows hashing requirements. It would be great if there
            was a matrix to show/confirm your requirements per Windows
            version.<o:p></o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I
            am thinking that the following must be covered:<o:p></o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoListParagraph"
          style="margin-left:1.0in;text-indent:-.25in"><span
            style="font-size:11.0pt;font-family:Symbol;color:#1F497D">·</span><span
            style="font-size:7.0pt;color:#1F497D">         </span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">SSL
            certificates<o:p></o:p></span></p>
        <p class="MsoListParagraph"
          style="margin-left:1.0in;text-indent:-.25in"><span
            style="font-size:11.0pt;font-family:Symbol;color:#1F497D">·</span><span
            style="font-size:7.0pt;color:#1F497D">         </span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Code
            Signing certificates<o:p></o:p></span></p>
        <p class="MsoListParagraph"
          style="margin-left:1.0in;text-indent:-.25in"><span
            style="font-size:11.0pt;font-family:Symbol;color:#1F497D">·</span><span
            style="font-size:7.0pt;color:#1F497D">         </span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">S/MIME
            certificates<o:p></o:p></span></p>
        <p class="MsoListParagraph"
          style="margin-left:1.0in;text-indent:-.25in"><span
            style="font-size:11.0pt;font-family:Symbol;color:#1F497D">·</span><span
            style="font-size:7.0pt;color:#1F497D">         </span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Time-stamping
            certificates<o:p></o:p></span></p>
        <p class="MsoListParagraph"
          style="margin-left:1.0in;text-indent:-.25in"><span
            style="font-size:11.0pt;font-family:Symbol;color:#1F497D">·</span><span
            style="font-size:7.0pt;color:#1F497D">         </span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">OCSP
            signing certificates<o:p></o:p></span></p>
        <p class="MsoListParagraph"
          style="margin-left:1.0in;text-indent:-.25in"><span
            style="font-size:11.0pt;font-family:Symbol;color:#1F497D">·</span><span
            style="font-size:7.0pt;color:#1F497D">         </span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Code
            signing signatures<o:p></o:p></span></p>
        <p class="MsoListParagraph"
          style="margin-left:1.0in;text-indent:-.25in"><span
            style="font-size:11.0pt;font-family:Symbol;color:#1F497D">·</span><span
            style="font-size:7.0pt;color:#1F497D">         </span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Time-stamp
            signatures<o:p></o:p></span></p>
        <p class="MsoListParagraph"
          style="margin-left:1.0in;text-indent:-.25in"><span
            style="font-size:11.0pt;font-family:Symbol;color:#1F497D">·</span><span
            style="font-size:7.0pt;color:#1F497D">         </span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">CRL
            signatures<o:p></o:p></span></p>
        <p class="MsoListParagraph"
          style="margin-left:1.0in;text-indent:-.25in"><span
            style="font-size:11.0pt;font-family:Symbol;color:#1F497D">·</span><span
            style="font-size:7.0pt;color:#1F497D">         </span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">OCSP
            signatures<o:p></o:p></span></p>
        <p class="MsoListParagraph"
          style="margin-left:1.0in;text-indent:-.25in"><span
            style="font-size:11.0pt;font-family:Symbol;color:#1F497D">·</span><span
            style="font-size:7.0pt;color:#1F497D">         </span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">there
            must be more …<o:p></o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">An
            issue that I want to understand is, since some certificates
            can be SHA-1, can the CRL/OCSP response be signed with a
            SHA-1 certificate? Can the signature be SHA-1? We would need
            to understand this for both root and issuing CAs.<o:p></o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">If
            we can nail this down, then it will be easier to draft a
            spec for our implementation teams.<o:p></o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks,
            Bruce.<o:p></o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <div>
          <div style="border:none;border-top:solid #E1E1E1
            1.0pt;padding:3.0pt 0in 0in 0in">
            <p class="MsoNormal" style="margin-left:.5in"><b><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif"">
                Anoosh Saboori [<a moz-do-not-send="true"
                  href="mailto:ansaboor@microsoft.com">mailto:ansaboor@microsoft.com</a>]
                <br>
                <b>Sent:</b> Saturday, March 21, 2015 8:29 PM<br>
                <b>To:</b> Bruce Morton<br>
                <b>Cc:</b> CABFPub<br>
                <b>Subject:</b> RE: [cabfpub] Updates to Microsoft SHA-1
                deprecation<o:p></o:p></span></p>
          </div>
        </div>
        <p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Windows
            enforcement dates (i.e., date at which SHA-1 certificates
            will be rejected by Windows) only apply to SSL and code
            signing certificates. All other types of certificates will
            be rejected on Windows side when SHA-1 pre-image attacks are
            deemed feasible by Microsoft.<o:p></o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Anoosh<o:p></o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal" style="margin-left:.5in"><a
            moz-do-not-send="true" name="_MailEndCompose"></a><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <div>
          <div style="border:none;border-top:solid #E1E1E1
            1.0pt;padding:3.0pt 0in 0in 0in">
            <p class="MsoNormal" style="margin-left:.5in"><b><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif"">
                Bruce Morton [<a moz-do-not-send="true"
                  href="mailto:bruce.morton@entrust.com">mailto:bruce.morton@entrust.com</a>]
                <br>
                <b>Sent:</b> Friday, March 20, 2015 6:47 PM<br>
                <b>To:</b> Anoosh Saboori<br>
                <b>Cc:</b> CABFPub<br>
                <b>Subject:</b> Re: [cabfpub] Updates to Microsoft SHA-1
                deprecation<o:p></o:p></span></p>
          </div>
        </div>
        <p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
        <div>
          <p class="MsoNormal" style="margin-left:.5in">Hi Anoosh,<o:p></o:p></p>
        </div>
        <div>
          <p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
        </div>
        <div>
          <p class="MsoNormal" style="margin-left:.5in">Thank you for
            the update.<o:p></o:p></p>
        </div>
        <div>
          <p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
        </div>
        <div>
          <p class="MsoNormal" style="margin-left:.5in">I don't think
            the policy for S/MIME certificates has been stated. I see
            some discussion in the comments. Could you also advise how
            the SHA-1 deprecation policy applies to S/MIME
            certificates. <o:p></o:p></p>
        </div>
        <div>
          <p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
        </div>
        <div>
          <p class="MsoNormal"
style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in">Thanks,
            Bruce.<o:p></o:p></p>
        </div>
        <div>
          <p class="MsoNormal"
style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in"><br>
            On Mar 20, 2015, at 8:57 PM, Anoosh Saboori <<a
              moz-do-not-send="true"
              href="mailto:ansaboor@microsoft.com">ansaboor@microsoft.com</a>>
            wrote:<o:p></o:p></p>
        </div>
        <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
          <div>
            <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Hello,</span><o:p></o:p></p>
            <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
            <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I
                would like to inform you that Microsoft has made update
                to its SHA-1 deprecation policy to accommodate
                developers targeting Vista/Server 2008. Please see
                below.</span><o:p></o:p></p>
            <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
            <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif""><a
                  moz-do-not-send="true"
href="http://blogs.technet.com/b/pki/archive/2013/11/12/sha1-deprecation-policy.aspx">http://blogs.technet.com/b/pki/archive/2013/11/12/sha1-deprecation-policy.aspx</a>
              </span><o:p></o:p></p>
            <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
            <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Anoosh</span><o:p></o:p></p>
            <p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
          </div>
        </blockquote>
        <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
          <div>
            <p class="MsoNormal" style="margin-left:.5in">_______________________________________________<br>
              Public mailing list<br>
              <a moz-do-not-send="true"
                href="mailto:Public@cabforum.org">Public@cabforum.org</a><br>
              <a moz-do-not-send="true"
                href="https://cabforum.org/mailman/listinfo/public">https://cabforum.org/mailman/listinfo/public</a><o:p></o:p></p>
          </div>
        </blockquote>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
Public mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Public@cabforum.org">Public@cabforum.org</a>
<a class="moz-txt-link-freetext" href="https://cabforum.org/mailman/listinfo/public">https://cabforum.org/mailman/listinfo/public</a>
</pre>
    </blockquote>
    <br>
  </body>
</html>