Copyright (c) 2003 Sam Leffler, Errno Consulting
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
1. Redistributions of source code must retain the above copyright
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2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
(The comments found at the beginning of the groff file "man4/rndtest.4freebsd".)
- FIPS 140-2 random number generator test monitor
to hardware crypto devices to monitor the
entropy data passed to the
This data is periodically tested for FIPS 140-2 compliance and
statistics are collected.
If the harvested entropy fails any of the FIPS test suite, then
it is discarded and testing is continuously applied until
is received from the device.
Failures are optionally reported on the console.
The idea for this and the original code came from
An Jason L. Wright .
device driver first appeared in
Fx 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 integrated into the
subsystem where it can be applied to devices that claim to supply