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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/aes_cmac.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/aes_cmac.h')
-rw-r--r--net/mac80211/aes_cmac.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/net/mac80211/aes_cmac.h b/net/mac80211/aes_cmac.h
new file mode 100644
index 00000000000..0eb9a483150
--- /dev/null
+++ b/net/mac80211/aes_cmac.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2008, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef AES_CMAC_H
+#define AES_CMAC_H
+
+#include <linux/crypto.h>
+
+struct crypto_cipher * ieee80211_aes_cmac_key_setup(const u8 key[]);
+void ieee80211_aes_cmac(struct crypto_cipher *tfm, u8 *scratch, const u8 *aad,
+ const u8 *data, size_t data_len, u8 *mic);
+void ieee80211_aes_cmac_key_free(struct crypto_cipher *tfm);
+
+#endif /* AES_CMAC_H */