[PATCH 4/4] crypto/fsl: add RNG support

[Michael Walle]

Am 2020-06-04 14:26, schrieb Heinrich Schuchardt:
> On 04.06.20 10:05, Horia Geantă wrote:
>> On 6/4/2020 5:31 AM, Heinrich Schuchardt wrote:

>> From what I see, driver added by Michael is using the PRNG / DRBG
>> and not the TRNG. Is this acceptable?
>> 
> 
> If it is only PRNG, this is not what we look for. If a PRNG/DRBG is 
> used
> to ameliorate the raw entropy stream like Linux does for the 
> /dev/random
> device this is fine. We need something non-deterministic.

What do you mean by "only PRNG"?

>> -a PRNG / DRBG (SP800-90A compliant DRBG_Hash) - which is seeded
>> from the TRNG

So while it is a PRNG, it is non-deterministic because its seeded
from the TRNG.

-michael