EAP-TLS and random_file
a.cudbardb at freeradius.org
Mon Feb 10 17:49:26 CET 2014
On 10 Feb 2014, at 16:22, Gregory Sloop <gregs at sloop.net> wrote:
> I'm curious about the many "examples" of EAP-TLS setup "how-to's" on
> the web.
> [I did some searches of the list and elsewhere, and came up dry,
> though I didn't spend a long time on it...]
> In many of them, the random_file is a pre-generated random set of
> Knowing what [modest amount] I do, this seems like an incredibly bad
> idea. [At least with a functional random number generator at your
> There is at least one newer one using /dev/urandom [pseudo-random]. The
> stock eap.conf file in Ubuntu also does this.
> I'm curious about why it would have ever been a pre-generated set of
> bits, which essentially have no entropy once they're given out/used -
> because they're not random any more, they're predictable.
> If some kind soul would give me the trivia edition of why this was
> a common solution, I'd be grateful. [Or school me, nicely or course,
> about why you think it's an "Ok" practice.]
I'd quite like to know too. I've always set it to /dev/urandom in any
configs i've deployed.
Arran Cudbard-Bell <a.cudbardb at freeradius.org>
FreeRADIUS Development Team
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