NAME

vrng — virtual random number generator

SYNOPSIS

vrng0 at vbus?

DESCRIPTION

The vrng driver provides support for the random number generation service provided by the UltraSPARC Hypervisor as found on sun4v systems.

Driven by periodic checks for available data from the generator, vrng supplies entropy to the random(4) driver for common usage.

SEE ALSO

intro(4), random(4), vbus(4)

HISTORY

The vrng driver first appeared in OpenBSD 4.5.

AUTHORS

The vrng driver was written by Mark Kettenis <kettenis@openbsd.org>.

BUGS

The vrng driver should probably do periodic “health checks” when running in a Trusted Domain, but currently does not.