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This page (revision-8) was last changed on 02-Dec-2016 00:49 by Dieter Käppel

This page was created on 12-Jun-2013 12:22 by Dieter Käppel

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Version Date Modified Size Author Changes ... Change note
8 02-Dec-2016 00:49 2 KB Dieter Käppel to previous
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6 02-Dec-2016 00:37 2 KB Dieter Käppel to previous | to last
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At line 4 changed one line
Smartcards uses Kerberos V5 authentication with X.509 v3 certificates.
Smartcards might use Kerberos V5 authentication with X.509 v3 certificates. (Kann auch NTLM genutzt werden?)
At line 10 added 34 lines
!!NTLM
* [http://davenport.sourceforge.net/ntlm.html]
!!SPNEGO
* [http://msdn.microsoft.com/en-us/library/ms995330.aspx]
!!!Kerberos v5
Dieses Verfahren unterstützt Public-Private-Challenges, Smart-Card-Authentification und digitale Signatur.
In Java steht dafür das GSS-System zur Verfügung, der Einstiegspunkt ist GSSManager.getInstance(). Die kryptographischen Verfahren werden durch OIDs ausgewählt:
{{{
Oid krb5 = new Oid("1.2.840.113554.1.2.2");
Oid spnego = new Oid("1.3.6.1.5.5.2");
}}}
Server-Credentials erzeugen:
{{{
GSSCredential credentials = manager.createCredential(null, GSSCredential.DEFAULT_LIFETIME, spnegoMechOid, GSSCredential.ACCEPT_ONLY);
}}}
!!Links
* [http://web.mit.edu/kerberos/krb5-devel/doc/admin/conf_files/krb5_conf.html]
* [http://thejavamonkey.blogspot.de/2008/04/clientserver-hello-world-in-kerberos.html]
* [https://forums.oracle.com/message/6387090]
* [http://pic.dhe.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=%2Fcom.ibm.websphere.zseries.doc%2Finfo%2Fzseries%2Fae%2Frsec_SPNEGO_config_krb5.html]
* [http://s2.diffuse.it/blog/show/6602-SPNEGO_authentication_and_credential_delegation_with_Java]
Mit Kerberos v5 können komplexe Protokolle realisiert werden, allerdings nur mit entsprechender Konfiguration. Es besteht die Möglichkeit, die Parameter durch System-Properties in Java zu setzen oder in einer krb5.conf festzulegen:
* [http://stackoverflow.com/questions/1431999/java-and-kerberos-authentication-krb5-conf-versus-system-setproperty]
This page (revision-8) was last changed on 02-Dec-2016 00:49 by Dieter Käppel Top
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