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RNDTEST(4)               BSD Kernel Interfaces Manual               RNDTEST(4)

NAME
     rndtest -- FIPS 140-2 random number generator test monitor

SYNOPSIS
     device rndtest

DESCRIPTION
     The rndtest driver ``hooks up'' to hardware crypto devices to monitor the
     entropy data passed to the random(4) subsystem.  This data is periodi-
     cally tested for FIPS 140-2 compliance and statistics are collected.  If
     the harvested entropy fails any of the FIPS test suite, then it is dis-
     carded and testing is continuously applied until ``good data'' is
     received from the device.  Failures are optionally reported on the con-
     sole.

SEE ALSO
     crypto(4), hifn(4), random(4), safe(4), ubsec(4), crypto(9)

HISTORY
     The idea for this and the original code came from Jason L. Wright.  The
     rndtest device driver first appeared in FreeBSD 5.0.

BUGS
     Crypto device drivers must be compiled specially to make use of this
     driver; this should not be necessary.  This feature might better be inte-
     grated into the random(4) subsystem where it can be applied to devices
     that claim to supply ``pure entropy''.

BSD                             March 11, 2003                             BSD