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Re: [Full-disclosure] Firefox 2.0.x: tracking unsuspecting users using TLS client certificates

From: Alexander Klink (a.klinkcynops.de)
Date: Fri Sep 07 2007 - 17:04:11 CDT


Hi Peter,

On Fri, Sep 07, 2007 at 08:10:23PM +0200, Alexander Klink wrote:
> > While I can see the same use here, it seems you are saying anyone could
> > have a look at certificates on your system, while cookies generally are
> > limited to viewing by the issuing domain. What I don't understand is if
> > there is a simple of knowing what certificate to ask for? For this to be
> No, you can't really 'ask' for a certificate - the user chooses it
> (or, in this case, the browser does so automatically).
Hmmm, I stand corrected (from Erik, who else? ;-). TLS actually allows
the server to ask for a specific type and/or CA.

Best regards,
  Alex
--
Dipl.-Math. Alexander Klink | IT-Security Engineer | a.klinkcynops.de
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