[ALUG] Entropy on virtual machines

[Howard Frederick]

That is really interesting - and worrying. So many websites are run as
virtual machines (perhaps even a majority) - does that mean that their SSL
keys may be seeded with the same data?
On 14 Dec 2013 21:32, "Andreas Tauscher" <ta at geuka.net> wrote:

> is low.
> I just faces the problem the regeneration of SSL parameters took ages.....
> On virtual machines the randomness is low. Since all hardware is virtual
> there is no real source for the random number generator of the kernel.
> Install the rng-tools and add (Debian/Ubuntu) in /etc/default/rng-tools:
> HRNGDEVICE=/dev/urandom
> and restart the rng-tools.
> Creating keys goes now really fast. It is speeding up it even on real
> hardware if there is no hardware random numbers generator.
>
> Andreas
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