[libvirt-users] Efficacy of jitterentropy RNG on qemu-kvm Guests

procmem procmem at riseup.net
Thu Aug 16 15:06:00 UTC 2018



Martin Kletzander:
> On Fri, Aug 10, 2018 at 08:33:00PM +0000, procmem wrote:
>> Hello. I'm a distro maintainer and was wondering about the efficacy of
>> entropy daemons like haveged and jitterentropyd in qemu-kvm. One of the
>> authors of haveged [0] pointed out if the hardware cycles counter is
>> emulated and deterministic, and thus predictible. He therefore does not
>> recommend using HAVEGE on those systems. Is this the case with KVM's
>> counters?
>>
> 
> I don't know the answer.  But try asking on qemu-discuss at nongnu.org or
> maybe
> KVM-related ML.
> 
> Have a nice day,
> Martin
> 

Thanks. Yes I had already sent there. Waiting patiently for an answer :)




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