1f0706e82SJiri Benc /* 2f0706e82SJiri Benc * Copyright 2002-2004, Instant802 Networks, Inc. 3f0706e82SJiri Benc * 4f0706e82SJiri Benc * This program is free software; you can redistribute it and/or modify 5f0706e82SJiri Benc * it under the terms of the GNU General Public License version 2 as 6f0706e82SJiri Benc * published by the Free Software Foundation. 7f0706e82SJiri Benc */ 8f0706e82SJiri Benc 9f0706e82SJiri Benc #ifndef TKIP_H 10f0706e82SJiri Benc #define TKIP_H 11f0706e82SJiri Benc 12f0706e82SJiri Benc #include <linux/types.h> 13f0706e82SJiri Benc #include <linux/crypto.h> 14f0706e82SJiri Benc #include "ieee80211_key.h" 15f0706e82SJiri Benc 16f0706e82SJiri Benc u8 * ieee80211_tkip_add_iv(u8 *pos, struct ieee80211_key *key, 17f0706e82SJiri Benc u8 iv0, u8 iv1, u8 iv2); 18f0706e82SJiri Benc void ieee80211_tkip_gen_phase1key(struct ieee80211_key *key, u8 *ta, 19f0706e82SJiri Benc u16 *phase1key); 20f0706e82SJiri Benc void ieee80211_tkip_gen_rc4key(struct ieee80211_key *key, u8 *ta, 21f0706e82SJiri Benc u8 *rc4key); 22f0706e82SJiri Benc void ieee80211_tkip_encrypt_data(struct crypto_blkcipher *tfm, 23f0706e82SJiri Benc struct ieee80211_key *key, 24f0706e82SJiri Benc u8 *pos, size_t payload_len, u8 *ta); 25f0706e82SJiri Benc enum { 26f0706e82SJiri Benc TKIP_DECRYPT_OK = 0, 27f0706e82SJiri Benc TKIP_DECRYPT_NO_EXT_IV = -1, 28f0706e82SJiri Benc TKIP_DECRYPT_INVALID_KEYIDX = -2, 29f0706e82SJiri Benc TKIP_DECRYPT_REPLAY = -3, 30f0706e82SJiri Benc }; 31f0706e82SJiri Benc int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm, 32f0706e82SJiri Benc struct ieee80211_key *key, 33f0706e82SJiri Benc u8 *payload, size_t payload_len, u8 *ta, 34*9ae4fda3SEmmanuel Grumbach u8 *ra, int only_iv, int queue, 3550741ae0SJohannes Berg u32 *out_iv32, u16 *out_iv16); 36f0706e82SJiri Benc 37f0706e82SJiri Benc #endif /* TKIP_H */ 38