fix up hostapd for mac80211

[openwrt.git] / package / mac80211 / src / mac80211 / michael.c

diff --git a/package/mac80211/src/mac80211/michael.c b/package/mac80211/src/mac80211/michael.c
deleted file mode 100644 (file)
index 0f844f7..0000000
--- a/package/mac80211/src/mac80211/michael.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Michael MIC implementation - optimized for TKIP MIC operations
- * Copyright 2002-2003, Instant802 Networks, Inc.
- *
- * 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.
- */
-
-#include <linux/types.h>
-
-#include "michael.h"
-
-static inline u32 rotr(u32 val, int bits)
-{
-       return (val >> bits) | (val << (32 - bits));
-}
-
-
-static inline u32 rotl(u32 val, int bits)
-{
-       return (val << bits) | (val >> (32 - bits));
-}
-
-
-static inline u32 xswap(u32 val)
-{
-       return ((val & 0xff00ff00) >> 8) | ((val & 0x00ff00ff) << 8);
-}
-
-
-#define michael_block(l, r) \
-do { \
-       r ^= rotl(l, 17); \
-       l += r; \
-       r ^= xswap(l); \
-       l += r; \
-       r ^= rotl(l, 3); \
-       l += r; \
-       r ^= rotr(l, 2); \
-       l += r; \
-} while (0)
-
-
-static inline u32 michael_get32(u8 *data)
-{
-       return data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24);
-}
-
-
-static inline void michael_put32(u32 val, u8 *data)
-{
-       data[0] = val & 0xff;
-       data[1] = (val >> 8) & 0xff;
-       data[2] = (val >> 16) & 0xff;
-       data[3] = (val >> 24) & 0xff;
-}
-
-
-void michael_mic(u8 *key, u8 *da, u8 *sa, u8 priority,
-                u8 *data, size_t data_len, u8 *mic)
-{
-       u32 l, r, val;
-       size_t block, blocks, left;
-
-       l = michael_get32(key);
-       r = michael_get32(key + 4);
-
-       /* A pseudo header (DA, SA, Priority, 0, 0, 0) is used in Michael MIC
-        * calculation, but it is _not_ transmitted */
-       l ^= michael_get32(da);
-       michael_block(l, r);
-       l ^= da[4] | (da[5] << 8) | (sa[0] << 16) | (sa[1] << 24);
-       michael_block(l, r);
-       l ^= michael_get32(&sa[2]);
-       michael_block(l, r);
-       l ^= priority;
-       michael_block(l, r);
-
-       /* Real data */
-       blocks = data_len / 4;
-       left = data_len % 4;
-
-       for (block = 0; block < blocks; block++) {
-               l ^= michael_get32(&data[block * 4]);
-               michael_block(l, r);
-       }
-
-       /* Partial block of 0..3 bytes and padding: 0x5a + 4..7 zeros to make
-        * total length a multiple of 4. */
-       val = 0x5a;
-       while (left > 0) {
-               val <<= 8;
-               left--;
-               val |= data[blocks * 4 + left];
-       }
-       l ^= val;
-       michael_block(l, r);
-       /* last block is zero, so l ^ 0 = l */
-       michael_block(l, r);
-
-       michael_put32(l, mic);
-       michael_put32(r, mic + 4);
-}