On 08/11/2014 06:30 AM, Torsten Duwe wrote: > On Mon, Aug 11, 2014 at 12:45:27PM +0530, Amit Shah wrote: >> >> What's the suggested value for rng->quality, though, for virtio-rng >> that I can use to ensure the kthread starts? >> >> Should I use the 700 (70%) as proposed in the original patchset? I'm >> not exactly sure how that value will be used as well.. > > There is no such thing as a suggested value, every number is wrong > to some degree. The quality is an estimation of how random your > source really is; it's a property of your hardware. If the device is > virtual you're in trouble ;-) > > Either you have a way to query the underlying real hardware, or > you do your whitening and entropy estimation in the backend driver -- > then you can claim 100%. > virtio-rng I feel we could rank at 100%; it is supposed to feed /dev/random-quality randomness from the VMM. If the VMM is hostile you have already lost anyway. -hpa _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
