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3473187d24
The current mac80211 code assumes that WEP is always available. If WEP fails to initialize, ieee80211_register_hw will always fail. In some cases (e.g. FIPS certification), the cryptography used by WEP is unavailable. However, in such cases there is no good reason why CCMP encryption (or even no link level encryption) cannot be used. So, this patch removes mac80211's assumption that WEP (and TKIP) will always be available for use. Signed-off-by: John W. Linville <linville@tuxdriver.com>
34 lines
913 B
C
34 lines
913 B
C
/*
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* Copyright 2002-2004, Instant802 Networks, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef TKIP_H
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#define TKIP_H
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#include <linux/types.h>
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#include <linux/crypto.h>
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#include "key.h"
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u8 *ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, u16 iv16);
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int ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm,
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struct ieee80211_key *key,
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u8 *pos, size_t payload_len, u8 *ta);
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enum {
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TKIP_DECRYPT_OK = 0,
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TKIP_DECRYPT_NO_EXT_IV = -1,
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TKIP_DECRYPT_INVALID_KEYIDX = -2,
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TKIP_DECRYPT_REPLAY = -3,
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};
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int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm,
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struct ieee80211_key *key,
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u8 *payload, size_t payload_len, u8 *ta,
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u8 *ra, int only_iv, int queue,
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u32 *out_iv32, u16 *out_iv16);
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#endif /* TKIP_H */
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