Re: randomization

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> On 26 May 2023, at 05:18, Michael Hennebry <hennebry@xxxxxxxxxxxxxxxxxxxxx> wrote:
> 
> My understanding is that urandom will never run out
> because it is an interface to a pseudorandom number generator.
> random gets its data from a hardware random number pool.
> Correct?

The detail is covered in articles on lwn.net., search for RNG.
The implementation has seen a lot of work in the kernel in recent years.

As I understand it /dev/urandom and getrandom() access a pool
that has entropy added to it so that PRNG quality is as high as possible.
But will never run out, as running out breaks systems very badly.

Barry

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