[dm-crypt] cryptsetup, LUKS, plausible deniability

Arno Wagner arno at wagner.name
Wed Sep 16 23:30:34 CEST 2009


On Wed, Sep 16, 2009 at 09:41:28PM +0200, Mario 'BitKoenig' Holbe wrote:
> Arno Wagner <arno at wagner.name> wrote:
> > On Tue, Sep 15, 2009 at 09:04:24PM +0100, Sarah Dean wrote:
> >> There's no incentive to hand over your keys, since it won't achieve (or
> >> stop) anything.
> > True. But how does plausible deniability factor into
> > your comment? If you are that hard, you can just use
> > ordinary encryption and refuse to give the keys.
> 
> That's wrong. With plausible deniability you (or your companions) don't
> need to be so hard as you need to be without. Since with p.d. you can be
> *sure* your torture will not stop just because you give them one more
> key (because you cannot proof it was the last, it wouldn't be plausible
> deniable then), giving them more doesn't give you a benefit. Without
> p.d. it gives you a benefit to tell them more. Thus, without p.d. you
> need to be harder not to tell your secrets: torture would be over then.

Hmm. Difficult so say and better not to be in such a situation in
the first place. I guess it will depend on the details of the 
situation.

Arno
-- 
Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno at wagner.name 
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