[Freedombox-discuss] Fwd: timer entropy

[Sandy Harris]

On Wed, Oct 5, 2011 at 12:16 AM, Alex Stapleton <alexs at prol.etari.at> wrote:

> ... The HAVAGE algorithm appears to have a very short reseeding time
> in it's PRNG element, although I do wonder what happens when it has
> trouble generating entropy from it's external machine state sources.
>
> It does seem like it would be extremely hard to bias or measure the
> entropy state in any meaningful way due to it's fundamental entropy
> source. I am not entirely sure that the same is true for maxwell.
> Clock jitter seems like the sort of thing that could be strongly
> influenced by TEMPEST attacks or measured by an unprivileged
> user to me.

An excellent point, and one I had not considered. Thanks.