URNG(4) FreeBSD Kernel Interfaces Manual URNG(4)
NAME
urng - USB Random Number Generator devices
SYNOPSIS
urng* at uhub?
DESCRIPTION
The urng driver provides support for various true random number generator
(TRNG) devices connected via USB. urng reads raw entropy from the device
at a (hardware dependent) interval and stirs it into the system entropy
pool with enqueue_randomness(9).
HARDWARE
The following devices are supported by this driver:
Araneus Alea I and II
Capable of delivering 100kbit/sec of hardware-generated
entropy.
Altus Metrum ChaosKey 1.0
This device is capable of providing entropy at 10Mbit/s.
SEE ALSO
intro(4), usb(4), enqueue_randomness(9)
HISTORY
The urng driver first appeared in OpenBSD 6.2.
AUTHORS
The urng driver was written by Aaron Bieber <
[email protected]>,
Jasper Lievisse Adriaanse <
[email protected]>, and
Sean Levy <
[email protected]>.
FreeBSD 14.1-RELEASE-p8 April 28, 2018 FreeBSD 14.1-RELEASE-p8