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Control utility for the /dev/random device. This allows root to select which interrupts are to be used in randomess gathering. Man page for the random device is included.
1995-10-28 17:04:25 +00:00
.\"
.\" Copyright (c) 1995
.\" Mark Murray. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY MARK MURRAY AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
Update licence.
1999-09-04 07:38:49 +00:00
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
Control utility for the /dev/random device. This allows root to select which interrupts are to be used in randomess gathering. Man page for the random device is included.
1995-10-28 17:04:25 +00:00
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
$Id$ -> $FreeBSD$
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.\" $FreeBSD$
Control utility for the /dev/random device. This allows root to select which interrupts are to be used in randomess gathering. Man page for the random device is included.
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.\"
.Dd October 20, 1995
.Dt RNDCONTROL 8
.Os FreeBSD 2
.Sh NAME
Use err(3).
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.Nm rndcontrol
.Nd a utility for manipulating the /dev/random device
Control utility for the /dev/random device. This allows root to select which interrupts are to be used in randomess gathering. Man page for the random device is included.
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.Sh SYNOPSIS
Use err(3).
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.Nm rndcontrol
Control utility for the /dev/random device. This allows root to select which interrupts are to be used in randomess gathering. Man page for the random device is included.
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.Op Fl q
.Op Fl s Ar irq_no
.Op Fl c Ar irq_no
.Sh DESCRIPTION
The
Use err(3).
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.Nm
Control utility for the /dev/random device. This allows root to select which interrupts are to be used in randomess gathering. Man page for the random device is included.
1995-10-28 17:04:25 +00:00
command is used to set which interrupts are used to help randomise
Remove single-space hard sentence breaks. These degrade the quality of the typeset output, tend to make diffs harder to read and provide bad examples for new-comers to mdoc.
2000-03-01 14:09:25 +00:00
the ``pool of entropy'' maintained by the kernel.
The
Use err(3).
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.Pa /dev/random
Control utility for the /dev/random device. This allows root to select which interrupts are to be used in randomess gathering. Man page for the random device is included.
1995-10-28 17:04:25 +00:00
and
Use err(3).
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.Pa /dev/urandom
Control utility for the /dev/random device. This allows root to select which interrupts are to be used in randomess gathering. Man page for the random device is included.
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devices are the user interface to this source of randomness.
Any changes take effect immediately.
Remove incorrect section name
1999-11-27 17:09:14 +00:00
.Pp
Control utility for the /dev/random device. This allows root to select which interrupts are to be used in randomess gathering. Man page for the random device is included.
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The following command line options are supported:
.Bl -tag -width indent
.It Fl q
Use err(3).
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Turn off all output except errors.
Control utility for the /dev/random device. This allows root to select which interrupts are to be used in randomess gathering. Man page for the random device is included.
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.It Fl s Ar n
Use err(3).
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Allow IRQ
.Ar n
Remove single-space hard sentence breaks. These degrade the quality of the typeset output, tend to make diffs harder to read and provide bad examples for new-comers to mdoc.
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to be used as a source of randomness.
This option may be repeated for
Control utility for the /dev/random device. This allows root to select which interrupts are to be used in randomess gathering. Man page for the random device is included.
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more than one IRQ.
.It Fl c Ar n
Use err(3).
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Stop IRQ
.Ar n
Remove single-space hard sentence breaks. These degrade the quality of the typeset output, tend to make diffs harder to read and provide bad examples for new-comers to mdoc.
2000-03-01 14:09:25 +00:00
from being used as a source of randomness.
This option may be repeated for
Control utility for the /dev/random device. This allows root to select which interrupts are to be used in randomess gathering. Man page for the random device is included.
1995-10-28 17:04:25 +00:00
more than one IRQ.
Use err(3).
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.El
Control utility for the /dev/random device. This allows root to select which interrupts are to be used in randomess gathering. Man page for the random device is included.
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.Pp
The default is to have no IRQ's being used.
.Pp
.Sh FILES
Use err(3).
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.Bl -tag -width /dev/urandom -compact
.It Pa /dev/random
secure random device
.It Pa /dev/urandom
random device
Control utility for the /dev/random device. This allows root to select which interrupts are to be used in randomess gathering. Man page for the random device is included.
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.El
.Sh BUGS
Sure to be some.
.Sh "SEE ALSO"
.Xr random 4
.Sh AUTHOR -> .Sh AUTHORS. Use .An/.Aq.
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.Sh AUTHORS
Use err(3).
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.An Theodore Ts'o
wrote the core code.
.An Mark Murray
ported this code to
Fix various man pages to stop abusing the .Bx macro to generate the string "FreeBSD". Use the .Fx macro instead.
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.Fx
Use err(3).
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and wrote the support routines and constructed the man pages.
Control utility for the /dev/random device. This allows root to select which interrupts are to be used in randomess gathering. Man page for the random device is included.
1995-10-28 17:04:25 +00:00
.Sh HISTORY
Use err(3).
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.Nm Rndcontrol
Use the .Fx macro where appropriate.
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first appeared in
.Fx 2.1.5 .
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