On Tue, 09 Aug 2016, Jason Cooper wrote:
> Perhaps a /dev/hwrng[0-9] per rng? That would lend itself nicely to a
> sysfs interface for per device quality, rate, and enabled attributes.
> e.g. /sys/class/hw_random/hwrng0/{device/,quality,rate,enabled}
IMHO, this is mightly annoying to use from inside a rngd-like utility in
a race-free, safe way. It looks to me that ioctl() would be a much
better interface for everything but the "enabled" functionality (which
should be reported to the rngd-like utility as open() on the real device
failing with, e.g., ENXIO, when that source is disabled).
--
Henrique Holschuh
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