Hi, On 06/22/2018 05:38 PM, Herbert Xu wrote: > On Fri, Jun 22, 2018 at 11:27:59AM +0300, Stanimir Varbanov wrote: >> Hi Herbert, >> >> On 06/21/2018 02:53 PM, Herbert Xu wrote: >>> On Thu, Jun 21, 2018 at 02:27:10PM +0300, Stanimir Varbanov wrote: >>>> >>>> OK, I just wanted to say that it is _not_ PRNG and the register names >>>> gives us wrong impression. >>> >>> So does it generate one bit of output for each bit of hardware- >>> generated entropy like /dev/random? Or does it use a hardware- >>> generated seed to power a PRNG? >> >> I believe it is the second one. Isn't the second one SP 800-90A? > > In that case it should switch over to algif_rng. OK, what about the rest drivers in drivers/char/hw_random? Are they all true RNG? -- regards, Stan
