286 	struct lib80211_tkip_data *tkey = priv;  in lib80211_tkip_hdr()  local
298 	if (!tkey->tx_phase1_done) {  in lib80211_tkip_hdr()
299 		tkip_mixing_phase1(tkey->tx_ttak, tkey->key, hdr->addr2,  in lib80211_tkip_hdr()
300 				   tkey->tx_iv32);  in lib80211_tkip_hdr()
301 		tkey->tx_phase1_done = 1;  in lib80211_tkip_hdr()
303 	tkip_mixing_phase2(rc4key, tkey->key, tkey->tx_ttak, tkey->tx_iv16);  in lib80211_tkip_hdr()
312 	*pos++ = (tkey->key_idx << 6) | (1 << 5) /* Ext IV included */ ;  in lib80211_tkip_hdr()
313 	*pos++ = tkey->tx_iv32 & 0xff;  in lib80211_tkip_hdr()
314 	*pos++ = (tkey->tx_iv32 >> 8) & 0xff;  in lib80211_tkip_hdr()
315 	*pos++ = (tkey->tx_iv32 >> 16) & 0xff;  in lib80211_tkip_hdr()
316 	*pos++ = (tkey->tx_iv32 >> 24) & 0xff;  in lib80211_tkip_hdr()
318 	tkey->tx_iv16++;  in lib80211_tkip_hdr()
319 	if (tkey->tx_iv16 == 0) {  in lib80211_tkip_hdr()
320 		tkey->tx_phase1_done = 0;  in lib80211_tkip_hdr()
321 		tkey->tx_iv32++;  in lib80211_tkip_hdr()
329 	struct lib80211_tkip_data *tkey = priv;  in lib80211_tkip_encrypt()  local
334 	if (tkey->flags & IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) {  in lib80211_tkip_encrypt()
357 	arc4_setkey(&tkey->tx_ctx_arc4, rc4key, 16);  in lib80211_tkip_encrypt()
358 	arc4_crypt(&tkey->tx_ctx_arc4, pos, pos, len + 4);  in lib80211_tkip_encrypt()
378 	struct lib80211_tkip_data *tkey = priv;  in lib80211_tkip_decrypt()  local
390 	if (tkey->flags & IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) {  in lib80211_tkip_decrypt()
407 	if (tkey->key_idx != keyidx) {  in lib80211_tkip_decrypt()
409 				    tkey->key_idx, keyidx);  in lib80211_tkip_decrypt()
412 	if (!tkey->key_set) {  in lib80211_tkip_decrypt()
421 	if (tkip_replay_check(iv32, iv16, tkey->rx_iv32, tkey->rx_iv16)) {  in lib80211_tkip_decrypt()
424 				    hdr->addr2, tkey->rx_iv32, tkey->rx_iv16,  in lib80211_tkip_decrypt()
427 		tkey->dot11RSNAStatsTKIPReplays++;  in lib80211_tkip_decrypt()
431 	if (iv32 != tkey->rx_iv32 || !tkey->rx_phase1_done) {  in lib80211_tkip_decrypt()
432 		tkip_mixing_phase1(tkey->rx_ttak, tkey->key, hdr->addr2, iv32);  in lib80211_tkip_decrypt()
433 		tkey->rx_phase1_done = 1;  in lib80211_tkip_decrypt()
435 	tkip_mixing_phase2(rc4key, tkey->key, tkey->rx_ttak, iv16);  in lib80211_tkip_decrypt()
439 	arc4_setkey(&tkey->rx_ctx_arc4, rc4key, 16);  in lib80211_tkip_decrypt()
440 	arc4_crypt(&tkey->rx_ctx_arc4, pos, pos, plen + 4);  in lib80211_tkip_decrypt()
448 		if (iv32 != tkey->rx_iv32) {  in lib80211_tkip_decrypt()
451 			tkey->rx_phase1_done = 0;  in lib80211_tkip_decrypt()
457 		tkey->dot11RSNAStatsTKIPICVErrors++;  in lib80211_tkip_decrypt()
463 	tkey->rx_iv32_new = iv32;  in lib80211_tkip_decrypt()
464 	tkey->rx_iv16_new = iv16;  in lib80211_tkip_decrypt()
544 	struct lib80211_tkip_data *tkey = priv;  in lib80211_michael_mic_add()  local
554 	michael_mic_hdr(skb, tkey->tx_hdr);  in lib80211_michael_mic_add()
556 	if (michael_mic(tkey->tx_tfm_michael, &tkey->key[16], tkey->tx_hdr,  in lib80211_michael_mic_add()
587 	struct lib80211_tkip_data *tkey = priv;  in lib80211_michael_mic_verify()  local
590 	if (!tkey->key_set)  in lib80211_michael_mic_verify()
593 	michael_mic_hdr(skb, tkey->rx_hdr);  in lib80211_michael_mic_verify()
594 	if (michael_mic(tkey->rx_tfm_michael, &tkey->key[24], tkey->rx_hdr,  in lib80211_michael_mic_verify()
606 		tkey->dot11RSNAStatsTKIPLocalMICFailures++;  in lib80211_michael_mic_verify()
612 	tkey->rx_iv32 = tkey->rx_iv32_new;  in lib80211_michael_mic_verify()
613 	tkey->rx_iv16 = tkey->rx_iv16_new;  in lib80211_michael_mic_verify()
622 	struct lib80211_tkip_data *tkey = priv;  in lib80211_tkip_set_key()  local
624 	struct crypto_shash *tfm = tkey->tx_tfm_michael;  in lib80211_tkip_set_key()
625 	struct arc4_ctx *tfm2 = &tkey->tx_ctx_arc4;  in lib80211_tkip_set_key()
626 	struct crypto_shash *tfm3 = tkey->rx_tfm_michael;  in lib80211_tkip_set_key()
627 	struct arc4_ctx *tfm4 = &tkey->rx_ctx_arc4;  in lib80211_tkip_set_key()
629 	keyidx = tkey->key_idx;  in lib80211_tkip_set_key()
630 	memset(tkey, 0, sizeof(*tkey));  in lib80211_tkip_set_key()
631 	tkey->key_idx = keyidx;  in lib80211_tkip_set_key()
632 	tkey->tx_tfm_michael = tfm;  in lib80211_tkip_set_key()
633 	tkey->tx_ctx_arc4 = *tfm2;  in lib80211_tkip_set_key()
634 	tkey->rx_tfm_michael = tfm3;  in lib80211_tkip_set_key()
635 	tkey->rx_ctx_arc4 = *tfm4;  in lib80211_tkip_set_key()
637 		memcpy(tkey->key, key, TKIP_KEY_LEN);  in lib80211_tkip_set_key()
638 		tkey->key_set = 1;  in lib80211_tkip_set_key()
639 		tkey->tx_iv16 = 1;	/* TSC is initialized to 1 */  in lib80211_tkip_set_key()
641 			tkey->rx_iv32 = (seq[5] << 24) | (seq[4] << 16) |  in lib80211_tkip_set_key()
643 			tkey->rx_iv16 = (seq[1] << 8) | seq[0];  in lib80211_tkip_set_key()
646 		tkey->key_set = 0;  in lib80211_tkip_set_key()
655 	struct lib80211_tkip_data *tkey = priv;  in lib80211_tkip_get_key()  local
660 	if (!tkey->key_set)  in lib80211_tkip_get_key()
662 	memcpy(key, tkey->key, TKIP_KEY_LEN);  in lib80211_tkip_get_key()
666 		u16 iv16 = tkey->tx_iv16;  in lib80211_tkip_get_key()
667 		u32 iv32 = tkey->tx_iv32;  in lib80211_tkip_get_key()
671 		seq[0] = tkey->tx_iv16;  in lib80211_tkip_get_key()
672 		seq[1] = tkey->tx_iv16 >> 8;  in lib80211_tkip_get_key()
673 		seq[2] = tkey->tx_iv32;  in lib80211_tkip_get_key()
674 		seq[3] = tkey->tx_iv32 >> 8;  in lib80211_tkip_get_key()
675 		seq[4] = tkey->tx_iv32 >> 16;  in lib80211_tkip_get_key()
676 		seq[5] = tkey->tx_iv32 >> 24;  in lib80211_tkip_get_key()