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Re: [Qemu-devel] RFC: virtio-rng and /dev/urandom


From: Hubert Kario
Subject: Re: [Qemu-devel] RFC: virtio-rng and /dev/urandom
Date: Mon, 18 Apr 2016 13:07:40 +0200
User-agent: KMail/4.14.10 (Linux/4.4.6-201.fc22.x86_64; KDE/4.14.17; x86_64; ; )

On Monday 18 April 2016 02:46:19 H. Peter Anvin wrote:
> Another thing that really needs to be addressed, but is a separate
> issue: invalidating and reseeding the entropy pool after a snapshot
> event.

definitely agreed

though just reseeding would be sufficient - the goal is to make the 
output unpredictable and unique between multiple machines starting from 
the same snapshot, feeding enough random data to make the entropy pool 
unique again is sufficient to achieve that
-- 
Regards,
Hubert Kario
Senior Quality Engineer, QE BaseOS Security team
Web: www.cz.redhat.com
Red Hat Czech s.r.o., Purky┼łova 99/71, 612 45, Brno, Czech Republic

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