[arch-general] [arch-gen] does using tmp-rng enables tpm at all?

Gustavo De Nardin (spuk) gustavodn at gmail.com
Sun Dec 28 02:12:40 UTC 2014


FWIW, I don't think just by enabling

On Wednesday, December 24, 2014, Javier Vasquez <j.e.vasquez.v at gmail.com>
wrote:

> > On Wed, Dec 24, 2014 at 3:03 PM, Daniel Micay <danielmicay at gmail.com
> <javascript:;>> wrote:
> >
> > Ivy Bridge and later have an RDRAND instruction exposing a hardware
> > random number generator so there's no need for any TPM stuff. RDSEED
> > will be provided by Broadwell and later for lower-level access to the
> > hardware entropy rather than via a CSPRNG. It's already leveraged by the
> > kernel and libraries like the C++ <random> implementation in libstdc++.
>
> Great to know.  Perhaps there will be no need for rng-tools neither
> haveged for those processors, :-)
>
> Bad thing my i5/i7 processors are still sandy bridge.  So whether I
> use tpm-rng (rng-tools doesn't read it, so no luck), or I use haveged,
> or nothing, :-)
>
> Thanks for answering.
>
> --
> Javier
>


-- 
(nil)


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