Re: [PATCH 0/2] RNG: Add Pseudo Random Number Generator to kernel

[Andi Kleen <andi@xxxxxxxxxxxxxx>]

Sebastian Siewior <linux-crypto@xxxxxxxxxxxxxxxx> writes:
>
> Anything wrong with get_random_bytes()?
> Whats the advantage over get_random_bytes()?

get_random_bytes() is not a _pseudo_ random number generator,
it doesn't have a seed and you cannot get repeatable sequences
out of it.

random32.c is though, but currently it's not reseedable either.
I needed a true reseedable prng a few times too so this
would be useful, although i guess random32.c could have been
fixed. But perhaps there's a need for a more cryptographically
strong PRNG too.

-Andi
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