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/* $OpenBSD: ieee80211_crypto.h,v 1.5 2007/08/01 12:37:46 damien Exp $ */
/* $NetBSD: ieee80211_crypto.h,v 1.2 2003/09/14 01:14:55 dyoung Exp $ */
/*-
* Copyright (c) 2001 Atsushi Onoe
* Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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/sys/net80211/ieee80211_crypto.h,v 1.2 2003/06/27 05:13:52 sam Exp $
*/
#ifndef _NET80211_IEEE80211_CRYPTO_H_
#define _NET80211_IEEE80211_CRYPTO_H_
/*
* 802.11 protocol crypto-related definitions.
*/
/*
* 802.11i ciphers.
*/
enum ieee80211_cipher {
IEEE80211_CIPHER_NONE = 0x00000000,
IEEE80211_CIPHER_USEGROUP = 0x00000001,
IEEE80211_CIPHER_WEP40 = 0x00000002,
IEEE80211_CIPHER_TKIP = 0x00000004,
IEEE80211_CIPHER_CCMP = 0x00000008,
IEEE80211_CIPHER_WEP104 = 0x00000010
};
/*
* 802.11i Authentication and Key Management.
*/
enum ieee80211_akm {
IEEE80211_AKM_NONE = 0x00000000,
IEEE80211_AKM_IEEE8021X = 0x00000001,
IEEE80211_AKM_PSK = 0x00000002
};
#define IEEE80211_KEYBUF_SIZE 16
struct ieee80211_key {
u_int8_t k_id; /* identifier (0-3) */
enum ieee80211_cipher k_cipher;
u_int k_flags;
#define IEEE80211_KEY_GROUP 0x00000001 /* group key */
#define IEEE80211_KEY_TX 0x00000002 /* Tx+Rx */
u_int64_t k_rsc;
u_int64_t k_tsc;
int k_len;
u_int8_t k_key[IEEE80211_KEYBUF_SIZE];
};
extern void ieee80211_crypto_attach(struct ifnet *);
extern void ieee80211_crypto_detach(struct ifnet *);
extern struct mbuf *ieee80211_wep_crypt(struct ifnet *, struct mbuf *, int);
extern void ieee80211_derive_ptk(const u_int8_t *, size_t, const u_int8_t *,
const u_int8_t *, const u_int8_t *, const u_int8_t *, u_int8_t *,
size_t);
extern int ieee80211_cipher_keylen(enum ieee80211_cipher);
#endif /* _NET80211_IEEE80211_CRYPTO_H_ */
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