uonerng —
Moonbase Otago OneRNG TRNG
uonerng* at uhub?
The
uonerng driver provides support for the
Moonbase Otago OneRNG, a USB true random number generator (TRNG).
uonerng reads raw entropy from the OneRNG
and uses
enqueue_randomness(9)
to add it to the system entropy pool.
The OneRNG is capable of operating in one of several modes, some of which are
intended for production use and some of which are for testing and validating
the hardware.
uonerng operates in the “Avalanche
noise with whitener” mode, which is also the manufacturer's default
mode.
intro(4),
usb(4),
enqueue_randomness(9)
Moonbase Otago:
http://onerng.info/onerng
The
uonerng driver first appeared in
OpenBSD 5.9.
The
uonerng driver was written by
Devin Reade
<
gdr@gno.org>.
The OneRNG permits downloading of the device firmware so that one may check the
firmware's cryptographic signature as provided by the manufacturer. The
uonerng driver does not perform nor support
this action. In order to currently perform such a validation, it would be
necessary to disable
uonerng in the kernel
and then download the firmware via the OneRNG's emulated AT modem command
set.
![[OpenBSD]](/openbsd.gif){kind=small}