1.\" $NetBSD: ieee80211_crypto.9,v 1.5 2014/03/18 18:20:40 riastradh Exp $ 2.\" 3.\" Copyright (c) 2004 Bruce M. Simpson <bms@spc.org> 4.\" Copyright (c) 2004 Darron Broad <darron@kewl.org> 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" $FreeBSD: src/share/man/man9/ieee80211_crypto.9,v 1.2 2004/07/07 12:59:39 ru Exp $ 29.\" 30.Dd September 12, 2006 31.Dt IEEE80211_CRYPTO 9 32.Os 33.Sh NAME 34.Nm ieee80211_crypto_attach , ieee80211_crypto_detach , ieee80211_crypto_encap 35.Nd 802.11 WEP encryption functions 36.Sh SYNOPSIS 37.Ft void 38.Fn ieee80211_crypto_attach "struct ieee80211com *ic" 39.Ft void 40.Fn ieee80211_crypto_detach "struct ieee80211com *ic" 41.Ft struct ieee80211_key * 42.Fo ieee80211_crypto_encap 43.Fa "struct ieee80211com *ic" "struct ieee80211_node *ni" "struct mbuf *m0" 44.Fc 45.Sh DESCRIPTION 46These functions provide encryption support for 802.11 device drivers. 47.Pp 48.\" 49The 50.Fn ieee80211_crypto_attach 51function initializes crypto support for the interface 52.Fa ic . 53The default is null crypto. 54.Pp 55.\" 56The 57.Fn ieee80211_crypto_detach 58function frees data structures associated with crypto support 59for the interface 60.Fa ic . 61.Pp 62.\" 63The two above functions are automatically called by the interface 64attach and detach routines, respectively. 65.Pp 66.\" 67The 68.Fn ieee80211_crypto_encap 69function encapsulates the packet supplied in mbuf 70.Fa m0 , 71with the crypto headers given the for node 72.Fa ni . 73Software encryption is possibly performed. 74In case of no specified key for 75.Fa ni 76or multicast traffic, the default key for the interface 77.Fa ic 78is used for encapsulation. 79The key is returned in the case of successful encapsulation, 80otherwise 81.Dv NULL 82is returned. 83.\" 84.Sh SEE ALSO 85.Xr ieee80211 9 86.Sh HISTORY 87The 88.Nm ieee80211 89series of functions first appeared in 90.Nx 1.5 , 91and were later ported to 92.Fx 4.6 . 93.Sh AUTHORS 94.An -nosplit 95This man page was written by 96.An Bruce M. Simpson Aq Mt bms@FreeBSD.org 97and 98.An Darron Broad Aq Mt darron@kewl.org . 99