Re: Fortuna
From: Matt Mackall
Date: Mon Apr 18 2005 - 14:15:31 EST
[please reply to all when posting to lkml]
On Sat, Apr 16, 2005 at 01:08:47AM +0000, David Wagner wrote:
> >First, a reminder that the design goal of /dev/random proper is
> >information-theoretic security. That is, it should be secure against
> >an attacker with infinite computational power.
>
> I am skeptical.
> I have never seen any convincing evidence for this claim,
> and I suspect that there are cases in which /dev/random fails
> to achieve this standard.
>
> And it seems I am not the only one. See, e.g., Section 5.3 of:
> http://eprint.iacr.org/2005/029
Unfortunately, this paper's analysis of /dev/random is so shallow that
they don't even know what hash it's using. Almost all of section 5.3
is wrong (and was when I read it initially).
--
Mathematics is the supreme nostalgia of our time.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/