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authorJouni Malinen <j@w1.fi>2009-01-08 13:32:01 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-01-29 16:00:02 -0500
commit765cb46a3fc856245ea68a7c961ac87c77e4ae2d (patch)
tree210cb9cd260430221ddb3be9620ee8ae90ecee34 /net/mac80211/key.h
parentfb7333367632c67d8b6b06fb8d906cdabb11b02a (diff)
mac80211: 802.11w - Add BIP (AES-128-CMAC)
Implement Broadcast/Multicast Integrity Protocol for management frame protection. This patch adds the needed definitions for the new information element (MMIE) and implementation for the new "encryption" type (though, BIP is actually not encrypting data, it provides only integrity protection). These routines will be used by a follow-on patch that enables BIP for multicast/broadcast robust management frames. Signed-off-by: Jouni Malinen <j@w1.fi> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/key.h')
-rw-r--r--net/mac80211/key.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
index 425816e0996..73ac28ca2ed 100644
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -96,6 +96,16 @@ struct ieee80211_key {
u8 tx_crypto_buf[6 * AES_BLOCK_LEN];
u8 rx_crypto_buf[6 * AES_BLOCK_LEN];
} ccmp;
+ struct {
+ u8 tx_pn[6];
+ u8 rx_pn[6];
+ struct crypto_cipher *tfm;
+ u32 replays; /* dot11RSNAStatsCMACReplays */
+ u32 icverrors; /* dot11RSNAStatsCMACICVErrors */
+ /* scratch buffers for virt_to_page() (crypto API) */
+ u8 tx_crypto_buf[2 * AES_BLOCK_LEN];
+ u8 rx_crypto_buf[2 * AES_BLOCK_LEN];
+ } aes_cmac;
} u;
/* number of times this key has been used */