Re: [PATCH v4 2/5] random: Add and use arch_get_rng_seed

H. Peter Anvin
2014-07-22T21:08:02Z

On 07/22/2014 02:04 PM, Andy Lutomirski wrote:
>
> Just to check: do you mean the RDRAND is very likely to work (i.e.
> arch_get_random_long will return true) or that RDRAND will actually
> reseed several times during initialization?
>

I mean that RDRAND will actually reseed several times during
initialization. The documented architectural limit is actually
extremely conservative.

Either way, it isn't really different from seeding from a VM hosts
/dev/urandom...

-hpa