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Diffstat (limited to 'package/network/services/hostapd/madwifi/net80211/ieee80211_crypto.h')
| -rw-r--r-- | package/network/services/hostapd/madwifi/net80211/ieee80211_crypto.h | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/package/network/services/hostapd/madwifi/net80211/ieee80211_crypto.h b/package/network/services/hostapd/madwifi/net80211/ieee80211_crypto.h deleted file mode 100644 index b34f359d0e..0000000000 --- a/package/network/services/hostapd/madwifi/net80211/ieee80211_crypto.h +++ /dev/null @@ -1,207 +0,0 @@ -/*- - * Copyright (c) 2001 Atsushi Onoe - * Copyright (c) 2002-2005 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. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * 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. - * - * $Id: ieee80211_crypto.h 3068 2007-12-21 17:46:02Z mentor $ - */ -#ifndef _NET80211_IEEE80211_CRYPTO_H_ -#define _NET80211_IEEE80211_CRYPTO_H_ - -/* - * 802.11 protocol crypto-related definitions. - */ -#define IEEE80211_KEYBUF_SIZE 16 -#define IEEE80211_MICBUF_SIZE (8 + 8) /* space for both TX & RX keys */ -#define IEEE80211_TID_SIZE 17 /* total number of TIDs */ - -/* - * Old WEP-style key. Deprecated. - */ -struct ieee80211_wepkey { - u_int wk_len; /* key length in bytes */ - u_int8_t wk_key[IEEE80211_KEYBUF_SIZE]; -}; - -struct ieee80211_cipher; - -/* - * Crypto key state. There is sufficient room for all supported - * ciphers (see below). The underlying ciphers are handled - * separately through loadable cipher modules that register with - * the generic crypto support. A key has a reference to an instance - * of the cipher; any per-key state is hung off wk_private by the - * cipher when it is attached. Ciphers are automatically called - * to detach and cleanup any such state when the key is deleted. - * - * The generic crypto support handles encap/decap of cipher-related - * frame contents for both hardware- and software-based implementations. - * A key requiring software crypto support is automatically flagged and - * the cipher is expected to honor this and do the necessary work. - * Ciphers such as TKIP may also support mixed hardware/software - * encrypt/decrypt and MIC processing. - */ - -typedef u_int16_t ieee80211_keyix_t; - -/* XXX pack better? */ -/* XXX 48-bit rsc/tsc */ -struct ieee80211_key { - u_int8_t wk_keylen; /* key length in bytes */ - u_int8_t wk_flags; -#define IEEE80211_KEY_XMIT 0x01 /* key used for xmit */ -#define IEEE80211_KEY_RECV 0x02 /* key used for recv */ -#define IEEE80211_KEY_GROUP 0x04 /* key used for WPA group operation */ -#define IEEE80211_KEY_SWCRYPT 0x10 /* host-based encrypt/decrypt */ -#define IEEE80211_KEY_SWMIC 0x20 /* host-based enmic/demic */ - ieee80211_keyix_t wk_keyix; /* key index */ - u_int8_t wk_key[IEEE80211_KEYBUF_SIZE+IEEE80211_MICBUF_SIZE]; -#define wk_txmic wk_key+IEEE80211_KEYBUF_SIZE+0 /* XXX can't () right */ -#define wk_rxmic wk_key+IEEE80211_KEYBUF_SIZE+8 /* XXX can't () right */ - u_int64_t wk_keyrsc[IEEE80211_TID_SIZE]; /* key receive sequence counter */ - u_int64_t wk_keytsc; /* key transmit sequence counter */ - const struct ieee80211_cipher *wk_cipher; - void *wk_private; /* private cipher state */ -}; -#define IEEE80211_KEY_COMMON /* common flags passed in by apps */\ - (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV | IEEE80211_KEY_GROUP) - -/* - * NB: these values are ordered carefully; there are lots of - * of implications in any reordering. In particular beware - * that 4 is not used to avoid conflicting with IEEE80211_F_PRIVACY. - */ -#define IEEE80211_CIPHER_WEP 0 -#define IEEE80211_CIPHER_TKIP 1 -#define IEEE80211_CIPHER_AES_OCB 2 -#define IEEE80211_CIPHER_AES_CCM 3 -#define IEEE80211_CIPHER_CKIP 5 -#define IEEE80211_CIPHER_NONE 6 /* pseudo value */ - -#define IEEE80211_CIPHER_MAX (IEEE80211_CIPHER_NONE + 1) - -#define IEEE80211_KEYIX_NONE ((ieee80211_keyix_t)-1) - -#if defined(__KERNEL__) || defined(_KERNEL) - -struct ieee80211com; -struct ieee80211vap; -struct ieee80211_node; -struct sk_buff; - -void ieee80211_crypto_attach(struct ieee80211com *); -void ieee80211_crypto_detach(struct ieee80211com *); -void ieee80211_crypto_vattach(struct ieee80211vap *); -void ieee80211_crypto_vdetach(struct ieee80211vap *); -int ieee80211_crypto_newkey(struct ieee80211vap *, int, int, - struct ieee80211_key *); -int ieee80211_crypto_delkey(struct ieee80211vap *, struct ieee80211_key *, - struct ieee80211_node *); -int ieee80211_crypto_setkey(struct ieee80211vap *, struct ieee80211_key *, - const u_int8_t macaddr[IEEE80211_ADDR_LEN], struct ieee80211_node *); -void ieee80211_crypto_delglobalkeys(struct ieee80211vap *); - -/* - * Template for a supported cipher. Ciphers register with the - * crypto code and are typically loaded as separate modules - * (the null cipher is always present). - * XXX may need refcnts - */ -struct ieee80211_cipher { - const char *ic_name; /* printable name */ - u_int ic_cipher; /* IEEE80211_CIPHER_* */ - u_int ic_header; /* size of privacy header (bytes) */ - u_int ic_trailer; /* size of privacy trailer (bytes) */ - u_int ic_miclen; /* size of mic trailer (bytes) */ - void *(*ic_attach)(struct ieee80211vap *, struct ieee80211_key *); - void (*ic_detach)(struct ieee80211_key *); - int (*ic_setkey)(struct ieee80211_key *); - int (*ic_encap)(struct ieee80211_key *, struct sk_buff *, u_int8_t); - int (*ic_decap)(struct ieee80211_key *, struct sk_buff *, int); - int (*ic_enmic)(struct ieee80211_key *, struct sk_buff *, int); - int (*ic_demic)(struct ieee80211_key *, struct sk_buff *, int, int); -}; -extern const struct ieee80211_cipher ieee80211_cipher_none; - -void ieee80211_crypto_register(const struct ieee80211_cipher *); -void ieee80211_crypto_unregister(const struct ieee80211_cipher *); -int ieee80211_crypto_available(struct ieee80211vap*, u_int); - -struct ieee80211_key *ieee80211_crypto_encap(struct ieee80211_node *, - struct sk_buff *); -struct ieee80211_key *ieee80211_crypto_decap(struct ieee80211_node *, - struct sk_buff *, int); - -/* - * Check and remove any MIC. - */ -static __inline int -ieee80211_crypto_demic(struct ieee80211vap *vap, struct ieee80211_key *k, - struct sk_buff *skb, int hdrlen, int force) -{ - const struct ieee80211_cipher *cip = k->wk_cipher; - return (cip->ic_miclen > 0 ? cip->ic_demic(k, skb, hdrlen, force) : 1); -} - -/* - * Add any MIC. - */ -static __inline int -ieee80211_crypto_enmic(struct ieee80211vap *vap, struct ieee80211_key *k, - struct sk_buff *skb, int force) -{ - const struct ieee80211_cipher *cip = k->wk_cipher; - return (cip->ic_miclen > 0 ? cip->ic_enmic(k, skb, force) : 1); -} - -/* - * Reset key state to an unused state. The crypto - * key allocation mechanism ensures other state (e.g. - * key data) is properly setup before a key is used. - */ -static __inline void -ieee80211_crypto_resetkey(struct ieee80211vap *vap, struct ieee80211_key *k, - ieee80211_keyix_t ix) -{ - k->wk_cipher = &ieee80211_cipher_none;; - k->wk_private = k->wk_cipher->ic_attach(vap, k); - k->wk_keyix = ix; - k->wk_flags = IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV; -} - -/* - * Crypto-related notification methods. - */ -void ieee80211_notify_replay_failure(struct ieee80211vap *, - const struct ieee80211_frame *, const struct ieee80211_key *, - u_int64_t rsc); -void ieee80211_notify_michael_failure(struct ieee80211vap *, - const struct ieee80211_frame *, ieee80211_keyix_t keyix); -#endif /* defined(__KERNEL__) || defined(_KERNEL) */ -#endif /* _NET80211_IEEE80211_CRYPTO_H_ */ |