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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Hello Frank.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Thank your for helping
</span><span style="font-size:11.0pt;font-family:Wingdings;color:#1F497D;mso-fareast-language:EN-US">J</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">The CAPF certificates in cisco CUCM Systems have some functions, for example phone proxy services. Usually, you create a certificate
reqest on CUCM (Callmanager) and you will signed by you internal ca. Also it is possible, that the CUCM callmanager signed by self. (On both, the problem are happening)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">I use a signed ca certificate for CAPF, with is signed by my internal root ca, wich is bases on openssl.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">So, for new phone, the CUCM callmanager generate and sign the phone client certificate, wich is downloaded from the phone and used
for check configuration signing und in our problem case use as a client certificate for 802.1x tls authentification.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">In freeradius, the CAPF CA certificate is installed as a CA certificatge for check the clients certs in tls authentification processes.
In freeradius2 anything is working fine and the phone client certificates is verify without any error.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">The interesst think is, that the error is display for the ca (CAPF) certificate, not for the client certificates.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">So, i check the attributes and extensions:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> X509v3 extensions:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> X509v3 Subject Key Identifier:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> 58:A4:EB:D9:DD:CE:A2:99:72:3B:E1:20:19:1D:40:C1:F9:D5:C2:28<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> X509v3 Authority Key Identifier:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> keyid:E2:E9:20:42:29:83:C4:77:8C:87:AB:FA:4B:A1:A9:C4:CE:00:BD:39<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> X509v3 Basic Constraints: critical<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> CA:TRUE, pathlen:0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> X509v3 Key Usage: critical<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> Digital Signature, Certificate Sign, CRL Sign<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> X509v3 Extended Key Usage: critical<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> TLS Web Server Authentication<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">For my interpretation, anything ist ok. May the TLS Web Server Authentication is not usual, but it is mandodary by cisco. On the way,
we use the minimal mandodary requirements from cisco.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Vg<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Robert<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">Von:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext"> Frank Migge [mailto:fm@frank4dd.com]
<br>
<b>Gesendet:</b> Samstag, 20. Januar 2018 03:30<br>
<b>An:</b> Gladewitz, Robert <Robert.Gladewitz@dbfz.de>; openssl-users@openssl.org<br>
<b>Betreff:</b> Re: [openssl-users] TLS Error in FreeRadius - eap_tls: ERROR: Failed in __FUNCTION__ (SSL_read): error:1417C086:SSL routines:tls_process_client_certificate:certificate verify failed<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<pre>Hi Robert,<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<pre>error 26 : unsupported certificate purpose<o:p></o:p></pre>
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<pre><o:p> </o:p></pre>
<pre>It seems the cert gets declined because of a problem with cert<o:p></o:p></pre>
<pre>extensions. "keyUsage" or "extendedKeyUsage" are typical candidates. In<o:p></o:p></pre>
<pre>your case, the leaf certificate "CAPF-91d43ef6" has two extensions:<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>Object 00: X509v3 Key Usage<o:p></o:p></pre>
<pre> Digital Signature, Key Encipherment<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>Object 01: X509v3 Extended Key Usage<o:p></o:p></pre>
<pre> TLS Web Server Authentication, TLS Web Client Authentication, IPSec End System<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>I would check if an extension is now missing/newly required, or no<o:p></o:p></pre>
<pre>longer recognized. Try check for differences in the openssl.cnf and<o:p></o:p></pre>
<pre>freeradius config files between the old Debian system and the new one.<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>Some EAP TLS guides (incl. Cisco) also list extensions "nonRepudiation" and "dataEncipherment", but this is just a guess since you mentioned it works on the old system.<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<pre>I have some problems with new Cisco CAPF certs<o:p></o:p></pre>
</blockquote>
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<pre><o:p> </o:p></pre>
<pre>What is the authenticating device? Cisco IP phone?<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>Cheers,<o:p></o:p></pre>
<pre>Frank<o:p></o:p></pre>
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