full-disclosure - Entropy distribution to virtual machines

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date: Mon, 25 Jun 2012 12:03:55 -0700
From: coderman <coderman@...il.com>
To: BMF <badmotherfsckr@...il.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Entropy distribution to virtual machines

On Mon, Jun 25, 2012 at 12:21 AM, BMF <badmotherfsckr@...il.com> wrote:
> ...
> I have a server with one of these in it:
>
> http://www.entropykey.co.uk/
>
> although I still need to find a reasonably secure way to share the
> entropy with all of my VMs where it is really needed.

check out http://www.vanheusden.com/entropybroker/ or virtio-rng.
i haven't used either; does anyone have positive experiences?

for now, roll my own: pass entropy into guest kernel command line
which is mixed into guest pool during init, then entropy distribution
from host to guest egd's via tcp once networking is up.

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/