e0c9263157
Merge in parts of the old fast_ipsec.4 man page to ipsec.4 and start updating ipsec.4 man page. Reviewed by: brueffer, sam (slightly earlier versions), bmah Approved by: re (bmah)
98 lines
3.0 KiB
Groff
98 lines
3.0 KiB
Groff
.\" Copyright (c) 2005 Christian Brueffer
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd August 1, 2007
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.Dt PADLOCK 4 i386
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.Os
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.Sh NAME
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.Nm padlock
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.Nd "driver for the cryptographic functions and RNG in VIA C3, C7 and Eden processors"
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following lines in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device crypto"
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.Cd "device padlock"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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padlock_load="YES"
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.Ed
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.Sh DESCRIPTION
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The C3 and Eden processor series from VIA include hardware acceleration for
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AES.
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The C7 series includes hardware acceleration for AES, SHA1, SHA256 and RSA.
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All of the above processor series include a hardware random number generator.
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.Pp
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The
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.Nm
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driver registers itself to accelerate AES operations and, if available, HMAC/SHA1
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and HMAC/SHA256 for
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.Xr crypto 4 .
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It also registers itself to accelerate other HMAC algorithms, although
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there is no hardware acceleration for those algorithms.
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This is only needed so
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.Nm
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can work with
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.Xr ipsec 4 .
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.Pp
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The hardware random number generator supplies data for the kernel
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.Xr random 4
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subsystem.
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.Sh SEE ALSO
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.Xr crypt 3 ,
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.Xr crypto 4 ,
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.Xr intro 4 ,
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.Xr ipsec 4 ,
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.Xr random 4 ,
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.Xr crypto 9
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Ox .
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The first
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.Fx
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release to include it was
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.Fx 6.0 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver with AES encryption support was written by
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.An Jason Wright Aq jason@OpenBSD.org .
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It was ported to
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.Fx
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and then extended to support SHA1 and SHA256
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by
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.An Pawel Jakub Dawidek Aq pjd@FreeBSD.org .
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This manual page was written by
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.An Christian Brueffer Aq brueffer@FreeBSD.org .
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