2 .\" Copyright (c) 2004 Bruce M. Simpson <bms@spc.org>
3 .\" Copyright (c) 2004 Darron Broad <darron@kewl.org>
4 .\" All rights reserved.
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28 .\" $DragonFly: src/share/man/man9/ieee80211_crypto.9,v 1.1 2004/07/27 14:50:56 hmp Exp $
29 .\" $Id: ieee80211_crypto.9,v 1.2 2004/07/07 12:59:39 ru Exp $
32 .Dt IEEE80211_CRYPTO 9
35 .Nm ieee80211_crypto_attach , ieee80211_crypto_detach , ieee80211_wep_crypt
36 .Nd 802.11 WEP encryption functions
39 .Fn ieee80211_crypto_attach "struct ifnet *ifp"
41 .Fn ieee80211_crypto_detach "struct ifnet *ifp"
43 .Fn ieee80211_wep_crypt "struct ifnet *ifp" "struct mbuf *m0" "int txflag"
45 These functions provide software encryption support
46 for 802.11 device drivers.
50 .Fn ieee80211_crypto_attach
51 function initializes crypto support for the interface
53 and sets the initialization vector (IV) for WEP encryption to
54 a random number derived from a secure PRNG.
58 .Fn ieee80211_crypto_detach
59 function frees data structures associated with crypto support
65 .Fn ieee80211_wep_crypt
66 function runs the appropriate WEP encryption algorithm over the 802.11
67 encapsulated frame held in the mbuf chain
69 for transmission or reception on the interface
73 argument specifies whether the frame is being received or transmitted.
74 A value of 0 indicates that the frame is being received and should
75 therefore be decrypted; a non-zero value indicates that the frame
77 and should be encrypted.
79 .Sh IMPLEMENTATION NOTES
81 .Fn ieee80211_wep_crypt
82 function stores its IV in the interface's embedded
83 .Vt struct ieee80211com
94 series of functions first appeared in
96 and were later ported to
100 This man page was written by
101 .An Bruce M. Simpson Aq bms@FreeBSD.org
103 .An Darron Broad Aq darron@kewl.org .