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</o:shapelayout></xml><![endif]--></head><body lang=DE-CH link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-GB>Hi Frederic,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>We have the kerberos Idp working in our organization with:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>- Win Server 2003 - AD and win7 - clients</span><span lang=EN-GB><o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB>- The "use DES encryption type" is not enabled for the user.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>- java version "1.6.0_20" OpenJDK Runtime Environment (IcedTea6 1.9.10) (rhel-1.23.1.9.10.el5_7-i386)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>The principal/keytab were created with:<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB>ktpass -princ <a href="mailto:HTTP/aai-logon.dev.fhnw.ch@DOMAIN.DS.FHNW.CH"><span style='color:windowtext'>HTTP/aai-logon.dev.fhnw.ch@DOMAIN.DS.FHNW.CH</span></a><o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB> -mapuser DOMAIN\serviceadmin.aaidevsso <o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB> -crypto rc4-hmac-nt <o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB> -ptype KRB5_NT_SRV_HST <o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB> -pass HIDDEN<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB> -out c:\aaidevsso.edu.keytab<o:p></o:p></span></p><p class=MsoPlainText><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoPlainText><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>I suggest you the following steps to verify the problem:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>1 - Check once more the ticket in the client-side: you can use the klist from MSDK (<a href="http://msdn.microsoft.com/de-de/windowsserver/bb980924"><span style='color:windowtext'>http://msdn.microsoft.com/de-de/windowsserver/bb980924</span></a>).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>The "HTTP/idp@DOMAIN" ticket must to be present (try to login again if not). Check again the encryption type, in my case:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>C:\Program Files\Microsoft SDKs\Windows\v7.0>klist<o:p></o:p></span></p><p class=MsoNormal>Aktuelle Anmelde-ID ist 0:0xxxx<o:p></o:p></p><p class=MsoNormal>Zwischengespeicherte Tickets: (xx)<o:p></o:p></p><p class=MsoNormal>(…)<o:p></o:p></p><p class=MsoNormal><span lang=EN-GB>#x> Client: myname @ </span><span lang=EN-GB>DOMAIN</span><span lang=EN-GB>.DS.FHNW.CH<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB> Server: HTTP/aai-logon.fhnw.ch @ ADM.DS.FHNW.CH<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB> </span>KerbTicket (Verschlüsselungstyp): RSADSI RC4-HMAC(NT)<o:p></o:p></p><p class=MsoNormal><span lang=EN-GB> Ticketkennzeichen 0xxxxxxxx -> forwardable renewable pre_authent<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB> </span>Sitzungsschlüsseltyp: RSADSI RC4-HMAC(NT)<o:p></o:p></p><p class=MsoNormal><span lang=EN-GB>…<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>2 - Check the Ticket in the Idp. Maybe is better do not use the keytab file now. e.g.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>[root@]# kinit HTTP/aai-logon.fhnw.ch@ADM.DS.FHNW.CH<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>Password: xxxx<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>[root@]# klist -e -5<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>Ticket cache: FILE:/tmp/xxxx_0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>Default principal: HTTP/aai-logon.fhnw.ch@ADM.DS.FHNW.CH<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>Valid starting Expires Service principal<o:p></o:p></span></p><p class=MsoNormal><span lang=PT-BR>01/03/xxxx:08:04 01/04/xx 01:08:05 krbtgt/ADM.DS.FHNW.CH@ADM.DS.FHNW.CH<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB> renew until 01/04/xxxx:xx:04, Etype (skey, tkt): ArcFour with HMAC/md5, ArcFour with HMAC/md5<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>3 - Check the Key Version Number (KVNO). I saw that you are informing "kvno 0" with ktpass, if the ticket has a kvno it must match with the keytab file. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB> [root@aai-logon shibboleth-idp]# kvno HTTP/aai-logon.fhnw.ch@ADM.DS.FHNW.CH<o:p></o:p></span></p><p class=MsoNormal><span lang=PT-BR>HTTP/aai-logon.fhnw.ch@ADM.DS.FHNW.CH: kvno = x<o:p></o:p></span></p><p class=MsoNormal><span lang=PT-BR><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>4 - Try to configure the Kerberos Idp with the options: kerberosCfg and password (without keytab). e.g.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB> </span><ph:LoginHandler xsi:type="krb:KERBEROS"<o:p></o:p></p><p class=MsoNormal>…<o:p></o:p></p><p class=MsoNormal> kerberosCfg="/etc/krb5.conf"><o:p></o:p></p><p class=MsoNormal><span lang=EN-GB> <krb:Realm domain="</span><span lang=EN-GB> DOMAIN</span><span lang=EN-GB>.FHNW.CH"><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB> <krb:principal>HTTP/aai-logon.test.fhnw.ch@ADM.DS.FHNW.CH</krb:principal><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB> </span><krb:password>xxx</krb:password><o:p></o:p></p><p class=MsoNormal><span lang=EN-GB> </krb:Realm><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB> 5 - Inform the allowed enctypes (<a href="http://docs.oracle.com/javase/6/docs/technotes/guides/security/jgss/jgss-features.html"><span style='color:windowtext'>http://docs.oracle.com/javase/6/docs/technotes/guides/security/jgss/jgss-features.html</span></a>) in the krb.ini, e.g.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>[libdefaults]<o:p></o:p></span></p><pre><span lang=EN-GB style='font-family:"Calibri","sans-serif"'>default_tgt_enctypes = </span><span lang=EN-GB>rc4-hmac<o:p></o:p></span></pre><pre><span lang=EN-GB style='font-family:"Calibri","sans-serif"'> default_tgs_enctypes= </span><span lang=EN-GB>rc4-hmac<o:p></o:p></span></pre><pre><span lang=EN-GB style='font-family:"Calibri","sans-serif"'>permitted_enctypes = </span><span lang=EN-GB>rc4-hmac<o:p></o:p></span></pre><pre><span lang=EN-GB>…<o:p></o:p></span></pre><pre><span lang=EN-GB><o:p> </o:p></span></pre><p class=MsoNormal><span lang=EN-GB>I hope that helps, <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Rodrigo<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-GB style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Von:</span></b><span lang=EN-GB style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> users-bounces@shibboleth.net [mailto:users-bounces@shibboleth.net] </span><b><span lang=DE style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Im Auftrag von </span></b><span lang=DE style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>MOTTE Frederic<br><b>Gesendet:</b> Dienstag, 20. Dezember 2011 08:09<br><b>An:</b> users@shibboleth.net<br><b>Betreff:</b> Crypto with the Kerberos Login Handler<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";background:white'>Hi,<span class=apple-converted-space> </span></span><span lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><br><br><span style='background:white'>I have a AD on a windows 2008R2 and the idp is on a debian (jdk 1.6.0_29-b11)<span class=apple-converted-space> </span></span><br><br><span style='background:white'>I have some problem using the kerberos login handler.<span class=apple-converted-space> </span></span><br><span style='background:white'>My first test was to create a keytab using the RC4-HMAC crypto.<span class=apple-converted-space> </span></span><br><span style='background:white'>C:\Users\Administrateur>ktpass -princ <a href="mailto:HTTP/idp.cersso.com@CERSSO.COM"><span style='color:windowtext'>HTTP/idp.cersso.com@CERSSO.COM</span></a> -pass Master2008 -mapuser idp -out c:\temp\idp.http.keytab -ptype KRB5_NT_PRINCIPAL -crypto RC4-HMAC-NT kvno 0<span class=apple-converted-space> </span></span><br><br><span style='background:white'>When I use it on the debian platform to realise the kinit, it's OK but when I use is into the loginHandler configuration, I have a checksum exception. In the wiki, the possible solutions are to activate the DES into the user profil or update the JKD version (if under 1.5.xxx)<span class=apple-converted-space> </span></span><br><br><span style='background:white'>consequently, I try to realise a keytab with the DES-CBC-MD5 crypto option, and when I realise the kinit in order to validate the keytab, I have the following error :<span class=apple-converted-space> </span></span><br><br><span style='background:white'>kinit (v5), KDC has no support for encrytpion type while getting initial credentials.<span class=apple-converted-space> </span></span><br><br><span style='background:white'>Can you help me in order to solve the crypto problem?<span class=apple-converted-space> </span></span><br><br></span><span lang=FR style='font-size:10.0pt;font-family:"Verdana","sans-serif";background:white'>Thanks for any help.<span class=apple-converted-space> </span></span><span lang=FR style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><br><br><span style='background:white'>Frederic<span class=apple-converted-space> </span></span></span><span lang=FR><o:p></o:p></span></p><p class=MsoNormal><span lang=FR><o:p> </o:p></span></p><div><div><p class=MsoNormal><span lang=FR>[@@THALES GROUP RESTRICTED@@]<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=FR><o:p> </o:p></span></p></div></body></html>