1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright 2002-2004, Instant802 Networks, Inc.
4 */
5
6 #ifndef TKIP_H
7 #define TKIP_H
8
9 #include <linux/types.h>
10 #include <linux/crypto.h>
11 #include "key.h"
12
13 int ieee80211_tkip_encrypt_data(struct arc4_ctx *ctx,
14 struct ieee80211_key *key,
15 struct sk_buff *skb,
16 u8 *payload, size_t payload_len);
17
18 enum {
19 TKIP_DECRYPT_OK = 0,
20 TKIP_DECRYPT_NO_EXT_IV = -1,
21 TKIP_DECRYPT_INVALID_KEYIDX = -2,
22 TKIP_DECRYPT_REPLAY = -3,
23 };
24 int ieee80211_tkip_decrypt_data(struct arc4_ctx *ctx,
25 struct ieee80211_key *key,
26 u8 *payload, size_t payload_len, u8 *ta,
27 u8 *ra, int only_iv, int queue,
28 u32 *out_iv32, u16 *out_iv16);
29
30 #endif /* TKIP_H */
31
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