Hi Sam:

El 09/09/2011, a las 14:58, Sam Hartman escribió:

>>>>>> "Rafa" == Rafa Marin Lopez <[email protected]> writes:
> 
>    Rafa> Hi Sam:
>>> 
>>> May we assume that TGT will be involved in a Kerberos exchange
>>> later on?. I mean I think that TGT will have to be provided to
>>> the initiator somehow ( within GSS-EAP exchange? )
>>> 
>>> I assume that initiator will have some Kerberos source code
>>> implemented to handle the TGT and to request service
>>> tickets. Otherwise, having a TGT is useless as you mention.
>>> 
>>> I don't think these are reasonable assumptions.
> 
>    Rafa> Well, if we send a TGT or ST to the initiator, it would seem
>    Rafa> reasonable to me that initiator knows how to handle it. But
>    Rafa> maybe it is not reasonable.
> 
> I agree that if the initiator is going to use a TGT or ST then it's fine
> to assume it has code to deal with one.  I think we may send a TGT or ST
> to the initiator without being aware it can handle them; we could also
> perform capability negotiation and confirm that the initiator can deal
> with a TGT or ST before sending it. The capability option is desirable
> if we want a different protocol.

That makes sense to me.

> 
> In the case of the TGT there is no particular reason to generate a TGT
> unless the initiator has Kerberos and can consume it.

Right. 

> 
> In the case of the ST, it is often very useful to generate the ST and
> hand the ST to the RP even if the initiator will never see the ST and
> wouldn't know what to do with an ST if it had one.
> 
> Talking through this with Josh ye.yesterday I've realized I am making
> lots of assumptions about model and use that I have documented no-where.
> If you can wait a couple of days I'll write up my model and what I've
> learned of the constraint space.

Yes, that would be really appreciated. Thanks.

Best regards.

> 
> --Sam

-------------------------------------------------------
Rafael Marin Lopez, PhD
Dept. Information and Communications Engineering (DIIC)
Faculty of Computer Science-University of Murcia
30100 Murcia - Spain
Telf: +34868888501 Fax: +34868884151 e-mail: [email protected]
-------------------------------------------------------




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