I believe entropy is somehow obtained from the hardware.

On Fri, May 26, 2023, 12:18 AM Michael Hennebry <hennebry@web.cs.ndsu.nodak.edu> wrote:
On Thu, 25 May 2023, Chris Adams wrote:

> There's also /dev/urandom (which should never "run out" of randomness),
> but IIRC they're the basically same now and neither will block (except
> possibly during boot).

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?

> But if you're writing a program, there's the getrandom() call.
> https://man7.org/linux/man-pages/man2/getrandom.2.html

--
Michael   hennebry@mail.cs.ndsu.NoDak.edu
"Occasionally irrational explanations are required"  --  Luke Roman
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