[Cryptech Tech] About the TRNG

[Basil Dolmatov]

dol@ с iPad

> 19 дек. 2015 г., в 15:16, Dmitry Belyavsky <beldmit at gmail.com> написал(а):
> 
> 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.
In this project hardware source is used for seeding software random generator only
> 
> -- 
> SY, Dmitry Belyavsky
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