1.\"- 2.\" Copyright (c) 2003 Sam Leffler, Errno Consulting 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD: src/share/man/man4/rndtest.4,v 1.2.4.1 2003/06/04 17:10:30 sam Exp $ 27.\" $DragonFly: src/share/man/man4/rndtest.4,v 1.2 2003/06/17 04:36:59 dillon Exp $ 28.\" 29.Dd March 11, 2003 30.Dt RNDTEST 4 31.Os 32.Sh NAME 33.Nm rndtest 34.Nd FIPS 140-2 random number generator test monitor 35.Sh SYNOPSIS 36.Cd device rndtest 37.Sh DESCRIPTION 38The 39.Nm 40driver ``hooks up'' to hardware crypto devices to monitor the 41entropy data passed to the 42.Xr random 4 43subsystem. 44This data is periodically tested for FIPS 140-2 compliance and 45statistics are collected. 46If the harvested entropy fails any of the FIPS test suite, then 47it is discarded and testing is continuously applied until ``good data'' 48is received from the device. 49Failures are optionally reported on the console. 50.Sh SEE ALSO 51.Xr crypto 4 , 52.Xr hifn 4 , 53.Xr random 4 , 54.Xr ubsec 4 , 55.Xr crypto 9 56.Sh HISTORY 57The idea for this and the original code came from Jason L. Wright. 58The 59.Nm 60device driver first appeared in 61.Fx 5.0 . 62.Sh BUGS 63Crypto device drivers must be compiled specially to make use of this driver; 64this should not be necessary. 65This feature might better be integrated into the 66.Xr random 4 67subsystem where it can be used applied to devices that claim to supply 68``pure entropy''. 69