[Cryptech Tech] About the TRNG

[Dmitry Belyavsky]

Dear Basil,

On Sat, Dec 19, 2015 at 1:11 PM, Basil Dolmatov <dol at reedcat.net> wrote:

>
>
> dol@ с iPad
>
> > 19 дек. 2015 г., в 1:22, Jacob <jacob at edamaker.com> написал(а):
> >
> >
> > A question to the experts:
> >
> > I fully understand the trust gained by having a custom made external
> analog TRNG as we do here, but wouldn't be better to XOR the bitstream
> received from our generator with the one embedded in the CPU(*)?
> What means 'better' in this case?
> Mixing two really good sources of entropy does not make output 'better'
> considering entropy quality.
> This mixing can give one some hope that having mediocre entropy sources
> one can make the result better.
>
> Having a good source of entropy I can not see any reason for mixing it
> with other data.
>

If software can obtain random data from the system,  it may be useful to
add the true-random data to the standard system sources of it instead of
using the different hardware devices directly.

-- 
SY, Dmitry Belyavsky
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