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Thomas Gleixnerd2912cb2019-06-04 10:11:33 +02001/* SPDX-License-Identifier: GPL-2.0-only */
Jiri Bencf0706e82007-05-05 11:45:53 -07002/*
3 * Copyright 2002-2004, Instant802 Networks, Inc.
Jiri Bencf0706e82007-05-05 11:45:53 -07004 */
5
6#ifndef TKIP_H
7#define TKIP_H
8
9#include <linux/types.h>
10#include <linux/crypto.h>
Johannes Berg2c8dccc2008-04-08 15:14:40 -040011#include "key.h"
Jiri Bencf0706e82007-05-05 11:45:53 -070012
Felix Fietkau5f9f1812011-03-25 21:39:19 +010013int ieee80211_tkip_encrypt_data(struct crypto_cipher *tfm,
Johannes Berg523b02e2011-07-07 22:28:01 +020014 struct ieee80211_key *key,
15 struct sk_buff *skb,
16 u8 *payload, size_t payload_len);
17
Jiri Bencf0706e82007-05-05 11:45:53 -070018enum {
19 TKIP_DECRYPT_OK = 0,
20 TKIP_DECRYPT_NO_EXT_IV = -1,
21 TKIP_DECRYPT_INVALID_KEYIDX = -2,
22 TKIP_DECRYPT_REPLAY = -3,
23};
Felix Fietkau5f9f1812011-03-25 21:39:19 +010024int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm,
Jiri Bencf0706e82007-05-05 11:45:53 -070025 struct ieee80211_key *key,
26 u8 *payload, size_t payload_len, u8 *ta,
Emmanuel Grumbach9ae4fda2008-03-20 15:06:42 +020027 u8 *ra, int only_iv, int queue,
Johannes Berg50741ae2007-09-26 15:19:45 +020028 u32 *out_iv32, u16 *out_iv16);
Jiri Bencf0706e82007-05-05 11:45:53 -070029
30#endif /* TKIP_H */