1.\" 2.\" Copyright (c) 2004 Sam Leffler 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.Dd December 7, 2004 27.Dt WLAN_WEP 4 28.Os 29.Sh NAME 30.Nm wlan_wep 31.Nd WEP crypto support for 802.11 devices 32.Sh SYNOPSIS 33.Cd "device wlan_wep" 34.Sh DESCRIPTION 35The 36.Nm 37module handles the WEP cryptographic requirements of the 802.11 protocol. 38It does encapsulation and decapsulation of WEP-encoded 802.11 frames 39and optionally calculates the WEP cipher. 40The 41.Nm 42module is an 802.11 cryptographic plugin module for use by the 43.Xr wlan 4 44module. 45This module is automatically loaded if a WEP key is configured with 46.Xr ifconfig 8 . 47Should the underlying network device not be capable of doing the WEP 48calculations in hardware, the 49.Nm 50module will do the work. 51.Sh SEE ALSO 52.Xr wlan 4 , 53.Xr wlan_ccmp 4 , 54.Xr wlan_tkip 4 55.Sh STANDARDS 56More information can be found in the IEEE 802.11 Standard. 57.Sh HISTORY 58The 59.Nm 60driver first appeared in 61.Fx 6.0 . 62