Annotation of sys/net80211/ieee80211_crypto.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: ieee80211_crypto.h,v 1.6 2007/08/01 15:40:40 damien Exp $ */
2: /* $NetBSD: ieee80211_crypto.h,v 1.2 2003/09/14 01:14:55 dyoung Exp $ */
3:
4: /*-
5: * Copyright (c) 2001 Atsushi Onoe
6: * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
7: * All rights reserved.
8: *
9: * Redistribution and use in source and binary forms, with or without
10: * modification, are permitted provided that the following conditions
11: * are met:
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in the
16: * documentation and/or other materials provided with the distribution.
17: * 3. The name of the author may not be used to endorse or promote products
18: * derived from this software without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30: *
31: * $FreeBSD: src/sys/net80211/ieee80211_crypto.h,v 1.2 2003/06/27 05:13:52 sam Exp $
32: */
33: #ifndef _NET80211_IEEE80211_CRYPTO_H_
34: #define _NET80211_IEEE80211_CRYPTO_H_
35:
36: /*
37: * 802.11 protocol crypto-related definitions.
38: */
39:
40: /*
41: * 802.11i ciphers.
42: */
43: enum ieee80211_cipher {
44: IEEE80211_CIPHER_NONE = 0x00000000,
45: IEEE80211_CIPHER_USEGROUP = 0x00000001,
46: IEEE80211_CIPHER_WEP40 = 0x00000002,
47: IEEE80211_CIPHER_TKIP = 0x00000004,
48: IEEE80211_CIPHER_CCMP = 0x00000008,
49: IEEE80211_CIPHER_WEP104 = 0x00000010
50: };
51:
52: /*
53: * 802.11i Authentication and Key Management.
54: */
55: enum ieee80211_akm {
56: IEEE80211_AKM_NONE = 0x00000000,
57: IEEE80211_AKM_IEEE8021X = 0x00000001,
58: IEEE80211_AKM_PSK = 0x00000002
59: };
60:
61: #define IEEE80211_KEYBUF_SIZE 16
62:
63: struct ieee80211_key {
64: u_int8_t k_id; /* identifier (0-3) */
65: enum ieee80211_cipher k_cipher;
66: u_int k_flags;
67: #define IEEE80211_KEY_GROUP 0x00000001 /* group key */
68: #define IEEE80211_KEY_TX 0x00000002 /* Tx+Rx */
69:
70: u_int64_t k_rsc;
71: u_int64_t k_tsc;
72: int k_len;
73: u_int8_t k_key[IEEE80211_KEYBUF_SIZE];
74: };
75:
76: /* forward references */
77: struct ieee80211com;
78: struct ieee80211_node;
79:
80: extern void ieee80211_crypto_attach(struct ifnet *);
81: extern void ieee80211_crypto_detach(struct ifnet *);
82: extern struct mbuf *ieee80211_encrypt(struct ieee80211com *, struct mbuf *,
83: struct ieee80211_node *);
84: extern struct mbuf *ieee80211_decrypt(struct ieee80211com *, struct mbuf *,
85: struct ieee80211_node *);
86: extern struct mbuf *ieee80211_wep_crypt(struct ifnet *, struct mbuf *, int);
87: extern void ieee80211_derive_ptk(const u_int8_t *, size_t, const u_int8_t *,
88: const u_int8_t *, const u_int8_t *, const u_int8_t *, u_int8_t *,
89: size_t);
90: extern int ieee80211_cipher_keylen(enum ieee80211_cipher);
91:
92: #endif /* _NET80211_IEEE80211_CRYPTO_H_ */
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