Random number generator on rpi
Peter Jeremy
peter at rulingia.com
Tue Jun 7 06:36:59 UTC 2016
On 2016-Jun-07 12:25:26 +0800, Jia-Shiun Li <jiashiun at gmail.com> wrote:
>Yes, that's Linux specific. And my problem is there seems no other ways to
>tell rng quality on FreeBSD.
FreeBSD doesn't expose hardware RNGs directly to userspace - they are
used solely as entropy inputs to Yarrow, which drives /dev/random.
If you want to test how random the ARM RNG is, then you will need to
adapt the driver to also expose a device interface to the raw RNG data
that can be read, and then find a suitable RNG test suite.
If you're just concerned about the quality of /dev/random then you
should read random(4).
--
Peter Jeremy
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