Re: ssh, /dev/urandom
Le jeu 19/12/2002 à 15:44, Emile van Bergen a écrit :
> Hi,
>
> On Thu, Dec 19, 2002 at 03:26:13PM +0100, PUYDT Julien wrote:
>
> > Le jeu 19/12/2002 à 15:18, Daniel Burrows a écrit :
> > > On Thu, Dec 19, 2002 at 09:17:23AM +0100, PUYDT Julien <julien.puydt@laposte.net> was heard to say:
> > > > Le mer 18/12/2002 à 18:45, Niels Möller a écrit :
> > > > > use some other construction that is secure even if the enemy has infinite
> > > > > computational power
> > > >
> > > > I'm pretty sure it isn't possible:
> > >
> > > One-time pads are definitely secure against any mathematical attack.
> > > (if you assume that the bits of the key are perfectly random)
> > > Basically, given an encrypted message, every key/plaintext combination
> > > is equally likely.
> >
> > Cool. How do you send your key (that is as long as your message, btw)?
>
> Well, it's definitely useful in scenarios where you want to give your
> message to two messengers, that are not allowed to know the contents
> when they're separate; only when they come together will the plaintext
> be available.
>
> Effectively you split the message in two parts, each of which is useless
> without the other.
Did I not write another mail after a chat with wagi, to make clear in
which conditions my sentence applies? ;-)
Snark on #hurd, #hurdfr
Reply to:
- References:
- Re: K1 images - final report?
- From: "Alfred M. Szmidt" <ams@kemisten.nu>
- ssh, /dev/urandom (was: Re: K1 images - final report?)
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- Re: ssh, /dev/urandom (was: Re: K1 images - final report?)
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- Re: ssh, /dev/urandom
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- Re: ssh, /dev/urandom
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- Re: ssh, /dev/urandom
- From: kilobug@freesurf.fr (Gaël Le Mignot)
- Re: ssh, /dev/urandom
- From: nisse@lysator.liu.se (Niels Möller)
- Re: ssh, /dev/urandom
- From: PUYDT Julien <julien.puydt@laposte.net>
- Re: ssh, /dev/urandom
- From: Daniel Burrows <dnb114@psu.edu>
- Re: ssh, /dev/urandom
- From: PUYDT Julien <julien.puydt@laposte.net>
- Re: ssh, /dev/urandom
- From: Emile van Bergen <emile-deb@evbergen.xs4all.nl>