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From: Hubert Kario <hkario@redhat.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Daniel P. Berrange" <berrange@redhat.com>,
	Cole Robinson <crobinso@redhat.com>,
	libvirt-list@redhat.com, qemu-devel <qemu-devel@nongnu.org>,
	"Richard W.M. Jones" <rjones@redhat.com>,
	Peter Krempa <pkrempa@redhat.com>,
	Amit Shah <amit.shah@redhat.com>,
	mik@miknet.net, jjaburek@redhat.com, sgrubb@redhat.com,
	Paolo Bonzini <pbonzini@redhat.com>,
	Eric Blake <eblake@redhat.com>
Subject: Re: [Qemu-devel] RFC: virtio-rng and /dev/urandom
Date: Mon, 18 Apr 2016 13:07:40 +0200	[thread overview]
Message-ID: <3348132.1ImxLpUXPh@pintsize.usersys.redhat.com> (raw)
In-Reply-To: <6E36730D-333B-43BF-AE40-9F2975D5E116@zytor.com>

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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., Purkyňova 99/71, 612 45, Brno, Czech Republic

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  reply	other threads:[~2016-04-18 11:07 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-15 10:41 [Qemu-devel] RFC: virtio-rng and /dev/urandom Cole Robinson
2016-04-15 11:46 ` Richard W.M. Jones
2016-04-15 11:54   ` [Qemu-devel] [libvirt] " Richard W.M. Jones
2016-04-20 22:48   ` [Qemu-devel] " Steve Grubb
2016-04-15 15:47 ` Eric Blake
2016-04-15 16:10   ` Hubert Kario
2016-04-16  0:46     ` H. Peter Anvin
2016-04-16  0:51     ` H. Peter Anvin
2016-04-16  8:31       ` Paolo Bonzini
2016-04-18  0:20         ` H. Peter Anvin
2016-04-18  0:27         ` H. Peter Anvin
2016-04-18 11:21           ` Hubert Kario
2016-04-18 11:00       ` Hubert Kario
2016-04-19 11:30   ` [Qemu-devel] [libvirt] " Yaniv Kaul
2016-04-15 15:56 ` [Qemu-devel] " H. Peter Anvin
2016-04-15 16:06   ` Hubert Kario
2016-04-18  9:28   ` Daniel P. Berrange
2016-04-18  9:46     ` H. Peter Anvin
2016-04-18 11:07       ` Hubert Kario [this message]
2016-04-18 11:26         ` Daniel P. Berrange
2016-04-18 21:45           ` H. Peter Anvin
2016-04-20 22:21 ` Cole Robinson

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