rndtest man page on FreeBSD

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

     rndtest — FIPS 140-2 random number generator test monitor

     device rndtest

     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 console.

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

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

     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

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