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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_ */