Messages in this thread | | | Date | Tue, 12 Aug 2014 10:57:59 +0530 | From | Amit Shah <> | Subject | Re: [PATCH 1/1] virtio: rng: add derating factor for use by hwrng core |
| |
On (Mon) 11 Aug 2014 [15:11:03], H. Peter Anvin wrote: > On 08/11/2014 11:49 AM, Amit Shah wrote: > > The khwrngd thread is started when a hwrng device of sufficient > > quality is registered. The virtio-rng device is backed by the > > hypervisor, and we trust the hypervisor to provide real entropy. A > > malicious hypervisor is a scenario that's ruled out, so we are certain > > the quality of randomness we receive is perfectly trustworthy. Hence, > > we use 100% for the factor, indicating maximum confidence in the source. > > > > Signed-off-by: Amit Shah <amit.shah@redhat.com> > > It isn't "ruled out", it is just irrelevant: if the hypervisor is > malicious, the quality of your random number source is the least of your > problems.
Yea; I meant ruled out in that sense. Should the commit msg be more verbose?
Amit
| |