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Diffstat (limited to 'share/man/man9/ieee80211_crypto.9')
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diff --git a/share/man/man9/ieee80211_crypto.9 b/share/man/man9/ieee80211_crypto.9 new file mode 100644 index 00000000000..83d095e2c8f --- /dev/null +++ b/share/man/man9/ieee80211_crypto.9 @@ -0,0 +1,100 @@ +.\" $OpenBSD: ieee80211_crypto.9,v 1.1 2005/04/04 12:48:42 jsg Exp $ +.\" +.\" Copyright (c) 2004 Bruce M. Simpson <bms@spc.org> +.\" Copyright (c) 2004 Darron Broad <darron@kewl.org> +.\" 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 THE AUTHOR 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 +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" 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. +.\" +.\" $FreeBSD: src/share/man/man9/ieee80211_crypto.9,v 1.2 2004/07/07 12:59:39 ru Exp $ +.\" $Id: ieee80211_crypto.9,v 1.1 2005/04/04 12:48:42 jsg Exp $ +.\" +.Dd March 2, 2004 +.Dt IEEE80211_CRYPTO 9 +.Os +.Sh NAME +.Nm ieee80211_crypto_attach , ieee80211_crypto_detach , ieee80211_wep_crypt +.Nd 802.11 WEP encryption functions +.Sh SYNOPSIS +.Ft void +.Fn ieee80211_crypto_attach "struct ifnet *ifp" +.Ft void +.Fn ieee80211_crypto_detach "struct ifnet *ifp" +.Ft struct mbuf * +.Fn ieee80211_wep_crypt "struct ifnet *ifp" "struct mbuf *m0" "int txflag" +.Sh DESCRIPTION +These functions provide software encryption support +for 802.11 device drivers. +.Pp +.\" +The +.Fn ieee80211_crypto_attach +function initializes crypto support for the interface +.Fa ifp , +and sets the initialization vector (IV) for WEP encryption to +a random number derived from a secure PRNG. +.Pp +.\" +The +.Fn ieee80211_crypto_detach +function frees data structures associated with crypto support +for the interface +.Fa ifp . +.Pp +.\" +The +.Fn ieee80211_wep_crypt +function runs the appropriate WEP encryption algorithm over the 802.11 +encapsulated frame held in the mbuf chain +.Fa m0 , +for transmission or reception on the interface +.Fa ifp . +The +.Fa txflag +argument specifies whether the frame is being received or transmitted. +A value of 0 indicates that the frame is being received and should +therefore be decrypted; a non-zero value indicates that the frame +is being transmitted +and should be encrypted. +.\" +.Sh IMPLEMENTATION NOTES +The +.Fn ieee80211_wep_crypt +function stores its IV in the interface's embedded +.Vt struct ieee80211com +instance. +.Sh SEE ALSO +.Xr ieee80211 9 +.Sh HISTORY +The +.Nm ieee80211 +series of functions first appeared in +.Nx 1.5 , +and were later ported to +.Fx 4.6 +and +.Ox 3.6 . +.Sh AUTHORS +This man page was written by +.An Bruce M. Simpson Aq bms@FreeBSD.org +and +.An Darron Broad Aq darron@kewl.org . |