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<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>
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<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>
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