vrng man page on OpenBSD

vrng man page on OpenBSD

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VRNG(4)		     OpenBSD Programmer's Manual (SPARC64)	       VRNG(4)

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.

OpenBSD 4.9		       January 18, 2009			   OpenBSD 4.9

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