312 	struct lib80211_tkip_data *tkey = priv;  in lib80211_tkip_hdr()  local
324 	if (!tkey->tx_phase1_done) {  in lib80211_tkip_hdr()
325 		tkip_mixing_phase1(tkey->tx_ttak, tkey->key, hdr->addr2,  in lib80211_tkip_hdr()
326 				   tkey->tx_iv32);  in lib80211_tkip_hdr()
327 		tkey->tx_phase1_done = 1;  in lib80211_tkip_hdr()
329 	tkip_mixing_phase2(rc4key, tkey->key, tkey->tx_ttak, tkey->tx_iv16);  in lib80211_tkip_hdr()
338 	*pos++ = (tkey->key_idx << 6) | (1 << 5) /* Ext IV included */ ;  in lib80211_tkip_hdr()
339 	*pos++ = tkey->tx_iv32 & 0xff;  in lib80211_tkip_hdr()
340 	*pos++ = (tkey->tx_iv32 >> 8) & 0xff;  in lib80211_tkip_hdr()
341 	*pos++ = (tkey->tx_iv32 >> 16) & 0xff;  in lib80211_tkip_hdr()
342 	*pos++ = (tkey->tx_iv32 >> 24) & 0xff;  in lib80211_tkip_hdr()
344 	tkey->tx_iv16++;  in lib80211_tkip_hdr()
345 	if (tkey->tx_iv16 == 0) {  in lib80211_tkip_hdr()
346 		tkey->tx_phase1_done = 0;  in lib80211_tkip_hdr()
347 		tkey->tx_iv32++;  in lib80211_tkip_hdr()
355 	struct lib80211_tkip_data *tkey = priv;  in lib80211_tkip_encrypt()  local
356 	struct blkcipher_desc desc = { .tfm = tkey->tx_tfm_arc4 };  in lib80211_tkip_encrypt()
362 	if (tkey->flags & IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) {  in lib80211_tkip_encrypt()
385 	crypto_blkcipher_setkey(tkey->tx_tfm_arc4, rc4key, 16);  in lib80211_tkip_encrypt()
405 	struct lib80211_tkip_data *tkey = priv;  in lib80211_tkip_decrypt()  local
406 	struct blkcipher_desc desc = { .tfm = tkey->rx_tfm_arc4 };  in lib80211_tkip_decrypt()
419 	if (tkey->flags & IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) {  in lib80211_tkip_decrypt()
436 	if (tkey->key_idx != keyidx) {  in lib80211_tkip_decrypt()
438 		       "keyidx=%d priv=%p\n", tkey->key_idx, keyidx, priv);  in lib80211_tkip_decrypt()
441 	if (!tkey->key_set) {  in lib80211_tkip_decrypt()
450 	if (tkip_replay_check(iv32, iv16, tkey->rx_iv32, tkey->rx_iv16)) {  in lib80211_tkip_decrypt()
453 				    hdr->addr2, tkey->rx_iv32, tkey->rx_iv16,  in lib80211_tkip_decrypt()
456 		tkey->dot11RSNAStatsTKIPReplays++;  in lib80211_tkip_decrypt()
460 	if (iv32 != tkey->rx_iv32 || !tkey->rx_phase1_done) {  in lib80211_tkip_decrypt()
461 		tkip_mixing_phase1(tkey->rx_ttak, tkey->key, hdr->addr2, iv32);  in lib80211_tkip_decrypt()
462 		tkey->rx_phase1_done = 1;  in lib80211_tkip_decrypt()
464 	tkip_mixing_phase2(rc4key, tkey->key, tkey->rx_ttak, iv16);  in lib80211_tkip_decrypt()
468 	crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16);  in lib80211_tkip_decrypt()
482 		if (iv32 != tkey->rx_iv32) {  in lib80211_tkip_decrypt()
485 			tkey->rx_phase1_done = 0;  in lib80211_tkip_decrypt()
491 		tkey->dot11RSNAStatsTKIPICVErrors++;  in lib80211_tkip_decrypt()
497 	tkey->rx_iv32_new = iv32;  in lib80211_tkip_decrypt()
498 	tkey->rx_iv16_new = iv16;  in lib80211_tkip_decrypt()
568 	struct lib80211_tkip_data *tkey = priv;  in lib80211_michael_mic_add()  local
578 	michael_mic_hdr(skb, tkey->tx_hdr);  in lib80211_michael_mic_add()
580 	if (michael_mic(tkey->tx_tfm_michael, &tkey->key[16], tkey->tx_hdr,  in lib80211_michael_mic_add()
611 	struct lib80211_tkip_data *tkey = priv;  in lib80211_michael_mic_verify()  local
614 	if (!tkey->key_set)  in lib80211_michael_mic_verify()
617 	michael_mic_hdr(skb, tkey->rx_hdr);  in lib80211_michael_mic_verify()
618 	if (michael_mic(tkey->rx_tfm_michael, &tkey->key[24], tkey->rx_hdr,  in lib80211_michael_mic_verify()
630 		tkey->dot11RSNAStatsTKIPLocalMICFailures++;  in lib80211_michael_mic_verify()
636 	tkey->rx_iv32 = tkey->rx_iv32_new;  in lib80211_michael_mic_verify()
637 	tkey->rx_iv16 = tkey->rx_iv16_new;  in lib80211_michael_mic_verify()
646 	struct lib80211_tkip_data *tkey = priv;  in lib80211_tkip_set_key()  local
648 	struct crypto_hash *tfm = tkey->tx_tfm_michael;  in lib80211_tkip_set_key()
649 	struct crypto_blkcipher *tfm2 = tkey->tx_tfm_arc4;  in lib80211_tkip_set_key()
650 	struct crypto_hash *tfm3 = tkey->rx_tfm_michael;  in lib80211_tkip_set_key()
651 	struct crypto_blkcipher *tfm4 = tkey->rx_tfm_arc4;  in lib80211_tkip_set_key()
653 	keyidx = tkey->key_idx;  in lib80211_tkip_set_key()
654 	memset(tkey, 0, sizeof(*tkey));  in lib80211_tkip_set_key()
655 	tkey->key_idx = keyidx;  in lib80211_tkip_set_key()
656 	tkey->tx_tfm_michael = tfm;  in lib80211_tkip_set_key()
657 	tkey->tx_tfm_arc4 = tfm2;  in lib80211_tkip_set_key()
658 	tkey->rx_tfm_michael = tfm3;  in lib80211_tkip_set_key()
659 	tkey->rx_tfm_arc4 = tfm4;  in lib80211_tkip_set_key()
661 		memcpy(tkey->key, key, TKIP_KEY_LEN);  in lib80211_tkip_set_key()
662 		tkey->key_set = 1;  in lib80211_tkip_set_key()
663 		tkey->tx_iv16 = 1;	/* TSC is initialized to 1 */  in lib80211_tkip_set_key()
665 			tkey->rx_iv32 = (seq[5] << 24) | (seq[4] << 16) |  in lib80211_tkip_set_key()
667 			tkey->rx_iv16 = (seq[1] << 8) | seq[0];  in lib80211_tkip_set_key()
670 		tkey->key_set = 0;  in lib80211_tkip_set_key()
679 	struct lib80211_tkip_data *tkey = priv;  in lib80211_tkip_get_key()  local
684 	if (!tkey->key_set)  in lib80211_tkip_get_key()
686 	memcpy(key, tkey->key, TKIP_KEY_LEN);  in lib80211_tkip_get_key()
690 		u16 iv16 = tkey->tx_iv16;  in lib80211_tkip_get_key()
691 		u32 iv32 = tkey->tx_iv32;  in lib80211_tkip_get_key()
695 		seq[0] = tkey->tx_iv16;  in lib80211_tkip_get_key()
696 		seq[1] = tkey->tx_iv16 >> 8;  in lib80211_tkip_get_key()
697 		seq[2] = tkey->tx_iv32;  in lib80211_tkip_get_key()
698 		seq[3] = tkey->tx_iv32 >> 8;  in lib80211_tkip_get_key()
699 		seq[4] = tkey->tx_iv32 >> 16;  in lib80211_tkip_get_key()
700 		seq[5] = tkey->tx_iv32 >> 24;  in lib80211_tkip_get_key()