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From: "Paolo Bonzini" <pbonzini@redhat.com>
To: "Daniel P. Berrangé" <berrange@redhat.com>,
	"Laszlo Ersek" <lersek@redhat.com>
Cc: "qemu devel list" <qemu-devel@nongnu.org>,
	"Ard Biesheuvel" <ard.biesheuvel@linaro.org>,
	"Jian J Wang" <jian.j.wang@intel.com>,
	edk2-devel-groups-io <devel@edk2.groups.io>,
	"Bret Barkelew" <Bret.Barkelew@microsoft.com>,
	"Erik Bjorge" <erik.c.bjorge@intel.com>,
	"Sean Brogan" <sean.brogan@microsoft.com>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: Re: privileged entropy sources in QEMU/KVM guests
Date: Thu, 7 Nov 2019 13:47:54 +0100	[thread overview]
Message-ID: <31917972-da28-8e0d-432d-1cb7607ff3e7@redhat.com> (raw)
In-Reply-To: <20191107115203.GD120292@redhat.com>

On 07/11/19 12:52, Daniel P. Berrangé wrote:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bb5530e4082446aac3a3d69780cd4dbfa4520013
> 
> Is it practical to provide a jitter entropy source for EDK2
> too ?

The hard part is not collecting jitter (though the firmware might be too
deterministic for that), but rather turning it into a random number seed
(mixing data from various sources, crediting entropy, etc.).

Paolo

  reply	other threads:[~2019-11-07 12:48 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-07 10:10 privileged entropy sources in QEMU/KVM guests Laszlo Ersek
2019-11-07 10:18 ` Dr. David Alan Gilbert
2019-11-07 11:19   ` Laszlo Ersek
2019-11-07 11:36     ` Dr. David Alan Gilbert
2019-11-07 10:25 ` Ard Biesheuvel
2019-11-07 11:37   ` Paolo Bonzini
2019-11-07 11:55     ` Daniel P. Berrangé
2019-11-07 12:50       ` Paolo Bonzini
2019-11-07 13:33         ` Laszlo Ersek
2019-11-07 13:27     ` Laszlo Ersek
2019-11-07 13:58       ` Paolo Bonzini
2019-11-07 15:11         ` Laszlo Ersek
2019-11-07 11:58   ` Laszlo Ersek
2019-11-07 11:52 ` Daniel P. Berrangé
2019-11-07 12:47   ` Paolo Bonzini [this message]
2019-11-07 13:44     ` Laszlo Ersek
2019-11-07 13:54       ` Daniel P. Berrangé
2019-11-07 14:09       ` Ard Biesheuvel

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