Validating Kerberos tickets

Douglas E. Engert deengert at
Fri Aug 21 10:26:15 EDT 2009

Santiago Rivas wrote:
> Hi everyone,
> I have recently started working with Kerberos v5 and I have read many
> manuals and documents explaining the protocol and showing some short sample
> code. I'm writing a custom C / Java application and I want to "kerberize" it
> in order to achieve Single Sign-On. Up to now, I'm able to generate both tgt
> and tgs tickets on the client, but the main challenge I find is how to
> validate the tgs ticket once it's recieved by the server side of the
> application... Any help? Thanks in advance!

You say it is C / Java, If you are calling Kerberos from Java, have you looked at:

You might be better off use the GSS-API rather then Kerberos directly.
The above URL has an example for that too.

Goolge for java kerberos  to find other references.

> PD: I would appreciate to see some source code or read specific
> documentation on this task.
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  Douglas E. Engert  <DEEngert at>
  Argonne National Laboratory
  9700 South Cass Avenue
  Argonne, Illinois  60439
  (630) 252-5444

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