[16914] in Kerberos_V5_Development

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RE: Obtaining a TGT without unrestricted access to password.

daemon@ATHENA.MIT.EDU (JC Ferguson)
Fri Jun 17 13:03:00 2011

From: JC Ferguson <jc@f5.com>
To: Russ Allbery <rra@stanford.edu>, David Woodhouse <dwmw2@infradead.org>
Date: Thu, 16 Jun 2011 01:35:18 +0000
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I agree with Russ - renewable tickets is the way to go. JC

-----Original Message-----From: krbdev-bounces@mit.edu [mailto:krbdev-bounces@mit.edu] On Behalf Of Russ AllberySent: Wednesday, June 15, 2011 21:29To: David WoodhouseCc: Guido Günther; stefw@collabora.co.uk; krbdev@mit.edu; gnome-keyring-list@gnome.orgSubject: Re: Obtaining a TGT without unrestricted access to password.
David Woodhouse <dwmw2@infradead.org> writes:
> I'm trying to implement automatic renewal of Kerberos tickets during > the lifetime of a user's session.
> The user's password is learned at login time and stored within the > gnome-keyring dæmon.
Why don't you just obtain renewable tickets and renew them instead of storing the password in memory?
> My second thought was that perhaps the keyring could be asked for the > result of str2key on the password. That's not the actual *password*, > at least. But I suspect that even that is still too sensitive to be > handing it out?
It's completely equivalent to the password.
-- Russ Allbery (rra@stanford.edu)             <http://www.eyrie.org/~eagle/>
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