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@@ -0,0 +1,2055 @@
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+This patch reverts the following commits from wireless-testing:
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+
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+8ade538bf39b1ee53418528fdacd36b8e65621b9
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+56c52da2d554f081e8fce58ecbcf6a40c605b95b
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+2b2ba0db1c820d04d5143452d70012cd44d7b578
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+00b9cfa3ff38401bd70c34b250ca13e5ea347b4a
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+4f031fa9f188b2b0641ac20087d9e16bcfb4e49d
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+6e1ee5d2e9e411892b5d84e3ea93e3fc88ac786c
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+30ef7ef9672d92ab2cac37f60a31955c118321e7
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+f359d3fe832e49eeec2232b2af5a9e3aee6b4862 (only the changes in aes_cmac.{c,h})
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+7ec7c4a9a686c608315739ab6a2b0527a240883c
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+---
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+
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+--- a/include/linux/ieee80211.h
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++++ b/include/linux/ieee80211.h
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+@@ -1017,15 +1017,6 @@ struct ieee80211_mmie {
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+ u8 mic[8];
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+ } __packed;
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+
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+-/* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
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+-struct ieee80211_mmie_16 {
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+- u8 element_id;
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+- u8 length;
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+- __le16 key_id;
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+- u8 sequence_number[6];
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+- u8 mic[16];
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+-} __packed;
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+-
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+ struct ieee80211_vendor_ie {
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+ u8 element_id;
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+ u8 len;
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+--- a/include/net/mac80211.h
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++++ b/include/net/mac80211.h
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+@@ -1306,8 +1306,8 @@ struct ieee80211_vif *wdev_to_ieee80211_
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+ * @IEEE80211_KEY_FLAG_PAIRWISE: Set by mac80211, this flag indicates
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+ * that the key is pairwise rather then a shared key.
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+ * @IEEE80211_KEY_FLAG_SW_MGMT_TX: This flag should be set by the driver for a
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+- * CCMP/GCMP key if it requires CCMP/GCMP encryption of management frames
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+- * (MFP) to be done in software.
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++ * CCMP key if it requires CCMP encryption of management frames (MFP) to
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++ * be done in software.
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+ * @IEEE80211_KEY_FLAG_PUT_IV_SPACE: This flag should be set by the driver
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+ * if space should be prepared for the IV, but the IV
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+ * itself should not be generated. Do not set together with
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+@@ -1322,7 +1322,7 @@ struct ieee80211_vif *wdev_to_ieee80211_
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+ * RX, if your crypto engine can't deal with TX you can also set the
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+ * %IEEE80211_KEY_FLAG_SW_MGMT_TX flag to encrypt such frames in SW.
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+ * @IEEE80211_KEY_FLAG_GENERATE_IV_MGMT: This flag should be set by the
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+- * driver for a CCMP/GCMP key to indicate that is requires IV generation
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++ * driver for a CCMP key to indicate that is requires IV generation
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+ * only for managment frames (MFP).
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+ * @IEEE80211_KEY_FLAG_RESERVE_TAILROOM: This flag should be set by the
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+ * driver for a key to indicate that sufficient tailroom must always
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+@@ -4112,10 +4112,6 @@ void ieee80211_aes_cmac_calculate_k1_k2(
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+ * reverse order than in packet)
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+ * @aes_cmac: PN data, most significant byte first (big endian,
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+ * reverse order than in packet)
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+- * @aes_gmac: PN data, most significant byte first (big endian,
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+- * reverse order than in packet)
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+- * @gcmp: PN data, most significant byte first (big endian,
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+- * reverse order than in packet)
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+ */
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+ struct ieee80211_key_seq {
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+ union {
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+@@ -4129,12 +4125,6 @@ struct ieee80211_key_seq {
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+ struct {
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+ u8 pn[6];
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+ } aes_cmac;
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+- struct {
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+- u8 pn[6];
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+- } aes_gmac;
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+- struct {
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+- u8 pn[6];
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+- } gcmp;
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+ };
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+ };
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+
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+@@ -4159,7 +4149,7 @@ void ieee80211_get_key_tx_seq(struct iee
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+ * ieee80211_get_key_rx_seq - get key RX sequence counter
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+ *
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+ * @keyconf: the parameter passed with the set key
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+- * @tid: The TID, or -1 for the management frame value (CCMP/GCMP only);
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++ * @tid: The TID, or -1 for the management frame value (CCMP only);
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+ * the value on TID 0 is also used for non-QoS frames. For
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+ * CMAC, only TID 0 is valid.
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+ * @seq: buffer to receive the sequence data
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+@@ -4195,7 +4185,7 @@ void ieee80211_set_key_tx_seq(struct iee
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+ * ieee80211_set_key_rx_seq - set key RX sequence counter
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+ *
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+ * @keyconf: the parameter passed with the set key
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+- * @tid: The TID, or -1 for the management frame value (CCMP/GCMP only);
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++ * @tid: The TID, or -1 for the management frame value (CCMP only);
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+ * the value on TID 0 is also used for non-QoS frames. For
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+ * CMAC, only TID 0 is valid.
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+ * @seq: new sequence data
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+--- a/net/mac80211/Kconfig
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++++ b/net/mac80211/Kconfig
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+@@ -5,8 +5,6 @@ config MAC80211
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+ depends on CRYPTO
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+ depends on CRYPTO_ARC4
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+ depends on CRYPTO_AES
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+- select BPAUTO_CRYPTO_CCM
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+- depends on CRYPTO_GCM
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+ depends on CRC32
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+ select BPAUTO_AVERAGE
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+ ---help---
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+--- a/net/mac80211/Makefile
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++++ b/net/mac80211/Makefile
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+@@ -15,9 +15,7 @@ mac80211-y := \
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+ michael.o \
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+ tkip.o \
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+ aes_ccm.o \
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+- aes_gcm.o \
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+ aes_cmac.o \
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+- aes_gmac.o \
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+ cfg.o \
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+ ethtool.o \
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+ rx.o \
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+--- a/net/mac80211/aes_ccm.c
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++++ b/net/mac80211/aes_ccm.c
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+@@ -2,8 +2,6 @@
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+ * Copyright 2003-2004, Instant802 Networks, Inc.
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+ * Copyright 2005-2006, Devicescape Software, Inc.
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+ *
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+- * Rewrite: Copyright (C) 2013 Linaro Ltd <[email protected]>
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+- *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+@@ -19,82 +17,134 @@
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+ #include "key.h"
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+ #include "aes_ccm.h"
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+
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+-void ieee80211_aes_ccm_encrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
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+- u8 *data, size_t data_len, u8 *mic,
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+- size_t mic_len)
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++static void aes_ccm_prepare(struct crypto_cipher *tfm, u8 *scratch, u8 *a)
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++{
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++ int i;
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++ u8 *b_0, *aad, *b, *s_0;
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++
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++ b_0 = scratch + 3 * AES_BLOCK_SIZE;
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++ aad = scratch + 4 * AES_BLOCK_SIZE;
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++ b = scratch;
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++ s_0 = scratch + AES_BLOCK_SIZE;
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++
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++ crypto_cipher_encrypt_one(tfm, b, b_0);
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++
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++ /* Extra Authenticate-only data (always two AES blocks) */
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++ for (i = 0; i < AES_BLOCK_SIZE; i++)
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++ aad[i] ^= b[i];
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++ crypto_cipher_encrypt_one(tfm, b, aad);
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++
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++ aad += AES_BLOCK_SIZE;
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++
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++ for (i = 0; i < AES_BLOCK_SIZE; i++)
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++ aad[i] ^= b[i];
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++ crypto_cipher_encrypt_one(tfm, a, aad);
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++
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++ /* Mask out bits from auth-only-b_0 */
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++ b_0[0] &= 0x07;
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++
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++ /* S_0 is used to encrypt T (= MIC) */
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++ b_0[14] = 0;
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++ b_0[15] = 0;
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++ crypto_cipher_encrypt_one(tfm, s_0, b_0);
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++}
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++
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++
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++void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
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++ u8 *data, size_t data_len,
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++ u8 *cdata, u8 *mic)
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+ {
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+- struct scatterlist assoc, pt, ct[2];
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++ int i, j, last_len, num_blocks;
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++ u8 *pos, *cpos, *b, *s_0, *e, *b_0;
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+
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+- char aead_req_data[sizeof(struct aead_request) +
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+- crypto_aead_reqsize(tfm)]
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+- __aligned(__alignof__(struct aead_request));
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+- struct aead_request *aead_req = (void *) aead_req_data;
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+-
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+- memset(aead_req, 0, sizeof(aead_req_data));
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+-
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+- sg_init_one(&pt, data, data_len);
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+- sg_init_one(&assoc, &aad[2], be16_to_cpup((__be16 *)aad));
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+- sg_init_table(ct, 2);
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+- sg_set_buf(&ct[0], data, data_len);
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+- sg_set_buf(&ct[1], mic, mic_len);
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+-
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+- aead_request_set_tfm(aead_req, tfm);
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+- aead_request_set_assoc(aead_req, &assoc, assoc.length);
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+- aead_request_set_crypt(aead_req, &pt, ct, data_len, b_0);
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++ b = scratch;
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++ s_0 = scratch + AES_BLOCK_SIZE;
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++ e = scratch + 2 * AES_BLOCK_SIZE;
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++ b_0 = scratch + 3 * AES_BLOCK_SIZE;
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++
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++ num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_SIZE);
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++ last_len = data_len % AES_BLOCK_SIZE;
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++ aes_ccm_prepare(tfm, scratch, b);
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++
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++ /* Process payload blocks */
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++ pos = data;
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++ cpos = cdata;
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++ for (j = 1; j <= num_blocks; j++) {
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++ int blen = (j == num_blocks && last_len) ?
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++ last_len : AES_BLOCK_SIZE;
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++
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++ /* Authentication followed by encryption */
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++ for (i = 0; i < blen; i++)
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++ b[i] ^= pos[i];
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++ crypto_cipher_encrypt_one(tfm, b, b);
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++
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++ b_0[14] = (j >> 8) & 0xff;
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++ b_0[15] = j & 0xff;
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++ crypto_cipher_encrypt_one(tfm, e, b_0);
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++ for (i = 0; i < blen; i++)
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++ *cpos++ = *pos++ ^ e[i];
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++ }
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+
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+- crypto_aead_encrypt(aead_req);
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++ for (i = 0; i < IEEE80211_CCMP_MIC_LEN; i++)
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++ mic[i] = b[i] ^ s_0[i];
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+ }
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+
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+-int ieee80211_aes_ccm_decrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
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+- u8 *data, size_t data_len, u8 *mic,
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+- size_t mic_len)
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++
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++int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *scratch,
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++ u8 *cdata, size_t data_len, u8 *mic, u8 *data)
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+ {
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+- struct scatterlist assoc, pt, ct[2];
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+- char aead_req_data[sizeof(struct aead_request) +
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+- crypto_aead_reqsize(tfm)]
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+- __aligned(__alignof__(struct aead_request));
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+- struct aead_request *aead_req = (void *) aead_req_data;
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+-
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+- if (data_len == 0)
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+- return -EINVAL;
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+-
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+- memset(aead_req, 0, sizeof(aead_req_data));
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+-
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+- sg_init_one(&pt, data, data_len);
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+- sg_init_one(&assoc, &aad[2], be16_to_cpup((__be16 *)aad));
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+- sg_init_table(ct, 2);
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+- sg_set_buf(&ct[0], data, data_len);
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+- sg_set_buf(&ct[1], mic, mic_len);
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+-
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+- aead_request_set_tfm(aead_req, tfm);
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+- aead_request_set_assoc(aead_req, &assoc, assoc.length);
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+- aead_request_set_crypt(aead_req, ct, &pt, data_len + mic_len, b_0);
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++ int i, j, last_len, num_blocks;
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++ u8 *pos, *cpos, *b, *s_0, *a, *b_0;
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++
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++ b = scratch;
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++ s_0 = scratch + AES_BLOCK_SIZE;
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++ a = scratch + 2 * AES_BLOCK_SIZE;
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++ b_0 = scratch + 3 * AES_BLOCK_SIZE;
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++
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++ num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_SIZE);
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++ last_len = data_len % AES_BLOCK_SIZE;
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++ aes_ccm_prepare(tfm, scratch, a);
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++
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++ /* Process payload blocks */
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++ cpos = cdata;
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++ pos = data;
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++ for (j = 1; j <= num_blocks; j++) {
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++ int blen = (j == num_blocks && last_len) ?
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++ last_len : AES_BLOCK_SIZE;
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++
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++ /* Decryption followed by authentication */
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++ b_0[14] = (j >> 8) & 0xff;
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++ b_0[15] = j & 0xff;
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++ crypto_cipher_encrypt_one(tfm, b, b_0);
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++ for (i = 0; i < blen; i++) {
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++ *pos = *cpos++ ^ b[i];
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++ a[i] ^= *pos++;
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++ }
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++ crypto_cipher_encrypt_one(tfm, a, a);
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++ }
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++
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++ for (i = 0; i < IEEE80211_CCMP_MIC_LEN; i++) {
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++ if ((mic[i] ^ s_0[i]) != a[i])
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++ return -1;
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++ }
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+
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+- return crypto_aead_decrypt(aead_req);
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++ return 0;
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+ }
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+
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+-struct crypto_aead *ieee80211_aes_key_setup_encrypt(const u8 key[],
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+- size_t key_len,
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+- size_t mic_len)
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++
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++struct crypto_cipher *ieee80211_aes_key_setup_encrypt(const u8 key[])
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+ {
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+- struct crypto_aead *tfm;
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+- int err;
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++ struct crypto_cipher *tfm;
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+
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+- tfm = crypto_alloc_aead("ccm(aes)", 0, CRYPTO_ALG_ASYNC);
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+- if (IS_ERR(tfm))
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+- return tfm;
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+-
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+- err = crypto_aead_setkey(tfm, key, key_len);
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+- if (!err)
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+- err = crypto_aead_setauthsize(tfm, mic_len);
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+- if (!err)
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+- return tfm;
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++ tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
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++ if (!IS_ERR(tfm))
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++ crypto_cipher_setkey(tfm, key, WLAN_KEY_LEN_CCMP);
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+
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+- crypto_free_aead(tfm);
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+- return ERR_PTR(err);
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++ return tfm;
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+ }
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+
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+-void ieee80211_aes_key_free(struct crypto_aead *tfm)
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++
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++void ieee80211_aes_key_free(struct crypto_cipher *tfm)
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+ {
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+- crypto_free_aead(tfm);
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++ crypto_free_cipher(tfm);
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+ }
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+--- a/net/mac80211/aes_ccm.h
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++++ b/net/mac80211/aes_ccm.h
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+@@ -12,15 +12,13 @@
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+
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+ #include <linux/crypto.h>
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+
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+-struct crypto_aead *ieee80211_aes_key_setup_encrypt(const u8 key[],
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+- size_t key_len,
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+- size_t mic_len);
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+-void ieee80211_aes_ccm_encrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
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+- u8 *data, size_t data_len, u8 *mic,
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+- size_t mic_len);
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+-int ieee80211_aes_ccm_decrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
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+- u8 *data, size_t data_len, u8 *mic,
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+- size_t mic_len);
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+-void ieee80211_aes_key_free(struct crypto_aead *tfm);
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++struct crypto_cipher *ieee80211_aes_key_setup_encrypt(const u8 key[]);
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++void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
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++ u8 *data, size_t data_len,
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++ u8 *cdata, u8 *mic);
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++int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *scratch,
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++ u8 *cdata, size_t data_len,
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++ u8 *mic, u8 *data);
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|
|
++void ieee80211_aes_key_free(struct crypto_cipher *tfm);
|
|
|
+
|
|
|
+ #endif /* AES_CCM_H */
|
|
|
+--- a/net/mac80211/aes_cmac.c
|
|
|
++++ b/net/mac80211/aes_cmac.c
|
|
|
+@@ -18,8 +18,8 @@
|
|
|
+ #include "key.h"
|
|
|
+ #include "aes_cmac.h"
|
|
|
+
|
|
|
++#define AES_CMAC_KEY_LEN 16
|
|
|
+ #define CMAC_TLEN 8 /* CMAC TLen = 64 bits (8 octets) */
|
|
|
+-#define CMAC_TLEN_256 16 /* CMAC TLen = 128 bits (16 octets) */
|
|
|
+ #define AAD_LEN 20
|
|
|
+
|
|
|
+
|
|
|
+@@ -35,9 +35,9 @@ static void gf_mulx(u8 *pad)
|
|
|
+ pad[AES_BLOCK_SIZE - 1] ^= 0x87;
|
|
|
+ }
|
|
|
+
|
|
|
+-static void aes_cmac_vector(struct crypto_cipher *tfm, size_t num_elem,
|
|
|
+- const u8 *addr[], const size_t *len, u8 *mac,
|
|
|
+- size_t mac_len)
|
|
|
++
|
|
|
++static void aes_128_cmac_vector(struct crypto_cipher *tfm, size_t num_elem,
|
|
|
++ const u8 *addr[], const size_t *len, u8 *mac)
|
|
|
+ {
|
|
|
+ u8 cbc[AES_BLOCK_SIZE], pad[AES_BLOCK_SIZE];
|
|
|
+ const u8 *pos, *end;
|
|
|
+@@ -88,7 +88,7 @@ static void aes_cmac_vector(struct crypt
|
|
|
+ for (i = 0; i < AES_BLOCK_SIZE; i++)
|
|
|
+ pad[i] ^= cbc[i];
|
|
|
+ crypto_cipher_encrypt_one(tfm, pad, pad);
|
|
|
+- memcpy(mac, pad, mac_len);
|
|
|
++ memcpy(mac, pad, CMAC_TLEN);
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+@@ -107,35 +107,17 @@ void ieee80211_aes_cmac(struct crypto_ci
|
|
|
+ addr[2] = zero;
|
|
|
+ len[2] = CMAC_TLEN;
|
|
|
+
|
|
|
+- aes_cmac_vector(tfm, 3, addr, len, mic, CMAC_TLEN);
|
|
|
++ aes_128_cmac_vector(tfm, 3, addr, len, mic);
|
|
|
+ }
|
|
|
+
|
|
|
+-void ieee80211_aes_cmac_256(struct crypto_cipher *tfm, const u8 *aad,
|
|
|
+- const u8 *data, size_t data_len, u8 *mic)
|
|
|
+-{
|
|
|
+- const u8 *addr[3];
|
|
|
+- size_t len[3];
|
|
|
+- u8 zero[CMAC_TLEN_256];
|
|
|
+-
|
|
|
+- memset(zero, 0, CMAC_TLEN_256);
|
|
|
+- addr[0] = aad;
|
|
|
+- len[0] = AAD_LEN;
|
|
|
+- addr[1] = data;
|
|
|
+- len[1] = data_len - CMAC_TLEN_256;
|
|
|
+- addr[2] = zero;
|
|
|
+- len[2] = CMAC_TLEN_256;
|
|
|
+-
|
|
|
+- aes_cmac_vector(tfm, 3, addr, len, mic, CMAC_TLEN_256);
|
|
|
+-}
|
|
|
+
|
|
|
+-struct crypto_cipher *ieee80211_aes_cmac_key_setup(const u8 key[],
|
|
|
+- size_t key_len)
|
|
|
++struct crypto_cipher * ieee80211_aes_cmac_key_setup(const u8 key[])
|
|
|
+ {
|
|
|
+ struct crypto_cipher *tfm;
|
|
|
+
|
|
|
+ tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
|
|
|
+ if (!IS_ERR(tfm))
|
|
|
+- crypto_cipher_setkey(tfm, key, key_len);
|
|
|
++ crypto_cipher_setkey(tfm, key, AES_CMAC_KEY_LEN);
|
|
|
+
|
|
|
+ return tfm;
|
|
|
+ }
|
|
|
+--- a/net/mac80211/aes_cmac.h
|
|
|
++++ b/net/mac80211/aes_cmac.h
|
|
|
+@@ -11,12 +11,9 @@
|
|
|
+
|
|
|
+ #include <linux/crypto.h>
|
|
|
+
|
|
|
+-struct crypto_cipher *ieee80211_aes_cmac_key_setup(const u8 key[],
|
|
|
+- size_t key_len);
|
|
|
++struct crypto_cipher * ieee80211_aes_cmac_key_setup(const u8 key[]);
|
|
|
+ void ieee80211_aes_cmac(struct crypto_cipher *tfm, const u8 *aad,
|
|
|
+ const u8 *data, size_t data_len, u8 *mic);
|
|
|
+-void ieee80211_aes_cmac_256(struct crypto_cipher *tfm, 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 */
|
|
|
+--- a/net/mac80211/aes_gcm.c
|
|
|
++++ /dev/null
|
|
|
+@@ -1,95 +0,0 @@
|
|
|
+-/*
|
|
|
+- * Copyright 2014-2015, Qualcomm Atheros, 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/kernel.h>
|
|
|
+-#include <linux/types.h>
|
|
|
+-#include <linux/crypto.h>
|
|
|
+-#include <linux/err.h>
|
|
|
+-#include <crypto/aes.h>
|
|
|
+-
|
|
|
+-#include <net/mac80211.h>
|
|
|
+-#include "key.h"
|
|
|
+-#include "aes_gcm.h"
|
|
|
+-
|
|
|
+-void ieee80211_aes_gcm_encrypt(struct crypto_aead *tfm, u8 *j_0, u8 *aad,
|
|
|
+- u8 *data, size_t data_len, u8 *mic)
|
|
|
+-{
|
|
|
+- struct scatterlist assoc, pt, ct[2];
|
|
|
+-
|
|
|
+- char aead_req_data[sizeof(struct aead_request) +
|
|
|
+- crypto_aead_reqsize(tfm)]
|
|
|
+- __aligned(__alignof__(struct aead_request));
|
|
|
+- struct aead_request *aead_req = (void *)aead_req_data;
|
|
|
+-
|
|
|
+- memset(aead_req, 0, sizeof(aead_req_data));
|
|
|
+-
|
|
|
+- sg_init_one(&pt, data, data_len);
|
|
|
+- sg_init_one(&assoc, &aad[2], be16_to_cpup((__be16 *)aad));
|
|
|
+- sg_init_table(ct, 2);
|
|
|
+- sg_set_buf(&ct[0], data, data_len);
|
|
|
+- sg_set_buf(&ct[1], mic, IEEE80211_GCMP_MIC_LEN);
|
|
|
+-
|
|
|
+- aead_request_set_tfm(aead_req, tfm);
|
|
|
+- aead_request_set_assoc(aead_req, &assoc, assoc.length);
|
|
|
+- aead_request_set_crypt(aead_req, &pt, ct, data_len, j_0);
|
|
|
+-
|
|
|
+- crypto_aead_encrypt(aead_req);
|
|
|
+-}
|
|
|
+-
|
|
|
+-int ieee80211_aes_gcm_decrypt(struct crypto_aead *tfm, u8 *j_0, u8 *aad,
|
|
|
+- u8 *data, size_t data_len, u8 *mic)
|
|
|
+-{
|
|
|
+- struct scatterlist assoc, pt, ct[2];
|
|
|
+- char aead_req_data[sizeof(struct aead_request) +
|
|
|
+- crypto_aead_reqsize(tfm)]
|
|
|
+- __aligned(__alignof__(struct aead_request));
|
|
|
+- struct aead_request *aead_req = (void *)aead_req_data;
|
|
|
+-
|
|
|
+- if (data_len == 0)
|
|
|
+- return -EINVAL;
|
|
|
+-
|
|
|
+- memset(aead_req, 0, sizeof(aead_req_data));
|
|
|
+-
|
|
|
+- sg_init_one(&pt, data, data_len);
|
|
|
+- sg_init_one(&assoc, &aad[2], be16_to_cpup((__be16 *)aad));
|
|
|
+- sg_init_table(ct, 2);
|
|
|
+- sg_set_buf(&ct[0], data, data_len);
|
|
|
+- sg_set_buf(&ct[1], mic, IEEE80211_GCMP_MIC_LEN);
|
|
|
+-
|
|
|
+- aead_request_set_tfm(aead_req, tfm);
|
|
|
+- aead_request_set_assoc(aead_req, &assoc, assoc.length);
|
|
|
+- aead_request_set_crypt(aead_req, ct, &pt,
|
|
|
+- data_len + IEEE80211_GCMP_MIC_LEN, j_0);
|
|
|
+-
|
|
|
+- return crypto_aead_decrypt(aead_req);
|
|
|
+-}
|
|
|
+-
|
|
|
+-struct crypto_aead *ieee80211_aes_gcm_key_setup_encrypt(const u8 key[],
|
|
|
+- size_t key_len)
|
|
|
+-{
|
|
|
+- struct crypto_aead *tfm;
|
|
|
+- int err;
|
|
|
+-
|
|
|
+- tfm = crypto_alloc_aead("gcm(aes)", 0, CRYPTO_ALG_ASYNC);
|
|
|
+- if (IS_ERR(tfm))
|
|
|
+- return tfm;
|
|
|
+-
|
|
|
+- err = crypto_aead_setkey(tfm, key, key_len);
|
|
|
+- if (!err)
|
|
|
+- err = crypto_aead_setauthsize(tfm, IEEE80211_GCMP_MIC_LEN);
|
|
|
+- if (!err)
|
|
|
+- return tfm;
|
|
|
+-
|
|
|
+- crypto_free_aead(tfm);
|
|
|
+- return ERR_PTR(err);
|
|
|
+-}
|
|
|
+-
|
|
|
+-void ieee80211_aes_gcm_key_free(struct crypto_aead *tfm)
|
|
|
+-{
|
|
|
+- crypto_free_aead(tfm);
|
|
|
+-}
|
|
|
+--- a/net/mac80211/aes_gcm.h
|
|
|
++++ /dev/null
|
|
|
+@@ -1,22 +0,0 @@
|
|
|
+-/*
|
|
|
+- * Copyright 2014-2015, Qualcomm Atheros, 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.
|
|
|
+- */
|
|
|
+-
|
|
|
+-#ifndef AES_GCM_H
|
|
|
+-#define AES_GCM_H
|
|
|
+-
|
|
|
+-#include <linux/crypto.h>
|
|
|
+-
|
|
|
+-void ieee80211_aes_gcm_encrypt(struct crypto_aead *tfm, u8 *j_0, u8 *aad,
|
|
|
+- u8 *data, size_t data_len, u8 *mic);
|
|
|
+-int ieee80211_aes_gcm_decrypt(struct crypto_aead *tfm, u8 *j_0, u8 *aad,
|
|
|
+- u8 *data, size_t data_len, u8 *mic);
|
|
|
+-struct crypto_aead *ieee80211_aes_gcm_key_setup_encrypt(const u8 key[],
|
|
|
+- size_t key_len);
|
|
|
+-void ieee80211_aes_gcm_key_free(struct crypto_aead *tfm);
|
|
|
+-
|
|
|
+-#endif /* AES_GCM_H */
|
|
|
+--- a/net/mac80211/aes_gmac.c
|
|
|
++++ /dev/null
|
|
|
+@@ -1,84 +0,0 @@
|
|
|
+-/*
|
|
|
+- * AES-GMAC for IEEE 802.11 BIP-GMAC-128 and BIP-GMAC-256
|
|
|
+- * Copyright 2015, Qualcomm Atheros, 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/kernel.h>
|
|
|
+-#include <linux/types.h>
|
|
|
+-#include <linux/crypto.h>
|
|
|
+-#include <linux/err.h>
|
|
|
+-#include <crypto/aes.h>
|
|
|
+-
|
|
|
+-#include <net/mac80211.h>
|
|
|
+-#include "key.h"
|
|
|
+-#include "aes_gmac.h"
|
|
|
+-
|
|
|
+-#define GMAC_MIC_LEN 16
|
|
|
+-#define GMAC_NONCE_LEN 12
|
|
|
+-#define AAD_LEN 20
|
|
|
+-
|
|
|
+-int ieee80211_aes_gmac(struct crypto_aead *tfm, const u8 *aad, u8 *nonce,
|
|
|
+- const u8 *data, size_t data_len, u8 *mic)
|
|
|
+-{
|
|
|
+- struct scatterlist sg[3], ct[1];
|
|
|
+- char aead_req_data[sizeof(struct aead_request) +
|
|
|
+- crypto_aead_reqsize(tfm)]
|
|
|
+- __aligned(__alignof__(struct aead_request));
|
|
|
+- struct aead_request *aead_req = (void *)aead_req_data;
|
|
|
+- u8 zero[GMAC_MIC_LEN], iv[AES_BLOCK_SIZE];
|
|
|
+-
|
|
|
+- if (data_len < GMAC_MIC_LEN)
|
|
|
+- return -EINVAL;
|
|
|
+-
|
|
|
+- memset(aead_req, 0, sizeof(aead_req_data));
|
|
|
+-
|
|
|
+- memset(zero, 0, GMAC_MIC_LEN);
|
|
|
+- sg_init_table(sg, 3);
|
|
|
+- sg_set_buf(&sg[0], aad, AAD_LEN);
|
|
|
+- sg_set_buf(&sg[1], data, data_len - GMAC_MIC_LEN);
|
|
|
+- sg_set_buf(&sg[2], zero, GMAC_MIC_LEN);
|
|
|
+-
|
|
|
+- memcpy(iv, nonce, GMAC_NONCE_LEN);
|
|
|
+- memset(iv + GMAC_NONCE_LEN, 0, sizeof(iv) - GMAC_NONCE_LEN);
|
|
|
+- iv[AES_BLOCK_SIZE - 1] = 0x01;
|
|
|
+-
|
|
|
+- sg_init_table(ct, 1);
|
|
|
+- sg_set_buf(&ct[0], mic, GMAC_MIC_LEN);
|
|
|
+-
|
|
|
+- aead_request_set_tfm(aead_req, tfm);
|
|
|
+- aead_request_set_assoc(aead_req, sg, AAD_LEN + data_len);
|
|
|
+- aead_request_set_crypt(aead_req, NULL, ct, 0, iv);
|
|
|
+-
|
|
|
+- crypto_aead_encrypt(aead_req);
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-struct crypto_aead *ieee80211_aes_gmac_key_setup(const u8 key[],
|
|
|
+- size_t key_len)
|
|
|
+-{
|
|
|
+- struct crypto_aead *tfm;
|
|
|
+- int err;
|
|
|
+-
|
|
|
+- tfm = crypto_alloc_aead("gcm(aes)", 0, CRYPTO_ALG_ASYNC);
|
|
|
+- if (IS_ERR(tfm))
|
|
|
+- return tfm;
|
|
|
+-
|
|
|
+- err = crypto_aead_setkey(tfm, key, key_len);
|
|
|
+- if (!err)
|
|
|
+- return tfm;
|
|
|
+- if (!err)
|
|
|
+- err = crypto_aead_setauthsize(tfm, GMAC_MIC_LEN);
|
|
|
+-
|
|
|
+- crypto_free_aead(tfm);
|
|
|
+- return ERR_PTR(err);
|
|
|
+-}
|
|
|
+-
|
|
|
+-void ieee80211_aes_gmac_key_free(struct crypto_aead *tfm)
|
|
|
+-{
|
|
|
+- crypto_free_aead(tfm);
|
|
|
+-}
|
|
|
+--- a/net/mac80211/aes_gmac.h
|
|
|
++++ /dev/null
|
|
|
+@@ -1,20 +0,0 @@
|
|
|
+-/*
|
|
|
+- * Copyright 2015, Qualcomm Atheros, 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.
|
|
|
+- */
|
|
|
+-
|
|
|
+-#ifndef AES_GMAC_H
|
|
|
+-#define AES_GMAC_H
|
|
|
+-
|
|
|
+-#include <linux/crypto.h>
|
|
|
+-
|
|
|
+-struct crypto_aead *ieee80211_aes_gmac_key_setup(const u8 key[],
|
|
|
+- size_t key_len);
|
|
|
+-int ieee80211_aes_gmac(struct crypto_aead *tfm, const u8 *aad, u8 *nonce,
|
|
|
+- const u8 *data, size_t data_len, u8 *mic);
|
|
|
+-void ieee80211_aes_gmac_key_free(struct crypto_aead *tfm);
|
|
|
+-
|
|
|
+-#endif /* AES_GMAC_H */
|
|
|
+--- a/net/mac80211/cfg.c
|
|
|
++++ b/net/mac80211/cfg.c
|
|
|
+@@ -162,13 +162,8 @@ static int ieee80211_add_key(struct wiph
|
|
|
+ return -EINVAL;
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_CCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP_256:
|
|
|
+ case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+ case WLAN_CIPHER_SUITE_GCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP_256:
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
|
|
|
+@@ -353,7 +348,6 @@ static int ieee80211_get_key(struct wiph
|
|
|
+ params.seq_len = 6;
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_CCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP_256:
|
|
|
+ pn64 = atomic64_read(&key->u.ccmp.tx_pn);
|
|
|
+ seq[0] = pn64;
|
|
|
+ seq[1] = pn64 >> 8;
|
|
|
+@@ -365,35 +359,10 @@ static int ieee80211_get_key(struct wiph
|
|
|
+ params.seq_len = 6;
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
+ pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
|
|
|
+ seq[0] = pn64;
|
|
|
+ seq[1] = pn64 >> 8;
|
|
|
+ seq[2] = pn64 >> 16;
|
|
|
+- seq[3] = pn64 >> 24;
|
|
|
+- seq[4] = pn64 >> 32;
|
|
|
+- seq[5] = pn64 >> 40;
|
|
|
+- params.seq = seq;
|
|
|
+- params.seq_len = 6;
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+- pn64 = atomic64_read(&key->u.aes_gmac.tx_pn);
|
|
|
+- seq[0] = pn64;
|
|
|
+- seq[1] = pn64 >> 8;
|
|
|
+- seq[2] = pn64 >> 16;
|
|
|
+- seq[3] = pn64 >> 24;
|
|
|
+- seq[4] = pn64 >> 32;
|
|
|
+- seq[5] = pn64 >> 40;
|
|
|
+- params.seq = seq;
|
|
|
+- params.seq_len = 6;
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP_256:
|
|
|
+- pn64 = atomic64_read(&key->u.gcmp.tx_pn);
|
|
|
+- seq[0] = pn64;
|
|
|
+- seq[1] = pn64 >> 8;
|
|
|
+- seq[2] = pn64 >> 16;
|
|
|
+ seq[3] = pn64 >> 24;
|
|
|
+ seq[4] = pn64 >> 32;
|
|
|
+ seq[5] = pn64 >> 40;
|
|
|
+--- a/net/mac80211/debugfs_key.c
|
|
|
++++ b/net/mac80211/debugfs_key.c
|
|
|
+@@ -94,33 +94,17 @@ static ssize_t key_tx_spec_read(struct f
|
|
|
+ key->u.tkip.tx.iv16);
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_CCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP_256:
|
|
|
+ pn = atomic64_read(&key->u.ccmp.tx_pn);
|
|
|
+ len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
|
|
|
+ (u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24),
|
|
|
+ (u8)(pn >> 16), (u8)(pn >> 8), (u8)pn);
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
+ pn = atomic64_read(&key->u.aes_cmac.tx_pn);
|
|
|
+ len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
|
|
|
+ (u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24),
|
|
|
+ (u8)(pn >> 16), (u8)(pn >> 8), (u8)pn);
|
|
|
+ break;
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+- pn = atomic64_read(&key->u.aes_gmac.tx_pn);
|
|
|
+- len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
|
|
|
+- (u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24),
|
|
|
+- (u8)(pn >> 16), (u8)(pn >> 8), (u8)pn);
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP_256:
|
|
|
+- pn = atomic64_read(&key->u.gcmp.tx_pn);
|
|
|
+- len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
|
|
|
+- (u8)(pn >> 40), (u8)(pn >> 32), (u8)(pn >> 24),
|
|
|
+- (u8)(pn >> 16), (u8)(pn >> 8), (u8)pn);
|
|
|
+- break;
|
|
|
+ default:
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+@@ -150,7 +134,6 @@ static ssize_t key_rx_spec_read(struct f
|
|
|
+ len = p - buf;
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_CCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP_256:
|
|
|
+ for (i = 0; i < IEEE80211_NUM_TIDS + 1; i++) {
|
|
|
+ rpn = key->u.ccmp.rx_pn[i];
|
|
|
+ p += scnprintf(p, sizeof(buf)+buf-p,
|
|
|
+@@ -161,7 +144,6 @@ static ssize_t key_rx_spec_read(struct f
|
|
|
+ len = p - buf;
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
+ rpn = key->u.aes_cmac.rx_pn;
|
|
|
+ p += scnprintf(p, sizeof(buf)+buf-p,
|
|
|
+ "%02x%02x%02x%02x%02x%02x\n",
|
|
|
+@@ -169,26 +151,6 @@ static ssize_t key_rx_spec_read(struct f
|
|
|
+ rpn[3], rpn[4], rpn[5]);
|
|
|
+ len = p - buf;
|
|
|
+ break;
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+- rpn = key->u.aes_gmac.rx_pn;
|
|
|
+- p += scnprintf(p, sizeof(buf)+buf-p,
|
|
|
+- "%02x%02x%02x%02x%02x%02x\n",
|
|
|
+- rpn[0], rpn[1], rpn[2],
|
|
|
+- rpn[3], rpn[4], rpn[5]);
|
|
|
+- len = p - buf;
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP_256:
|
|
|
+- for (i = 0; i < IEEE80211_NUM_TIDS + 1; i++) {
|
|
|
+- rpn = key->u.gcmp.rx_pn[i];
|
|
|
+- p += scnprintf(p, sizeof(buf)+buf-p,
|
|
|
+- "%02x%02x%02x%02x%02x%02x\n",
|
|
|
+- rpn[0], rpn[1], rpn[2],
|
|
|
+- rpn[3], rpn[4], rpn[5]);
|
|
|
+- }
|
|
|
+- len = p - buf;
|
|
|
+- break;
|
|
|
+ default:
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+@@ -205,23 +167,12 @@ static ssize_t key_replays_read(struct f
|
|
|
+
|
|
|
+ switch (key->conf.cipher) {
|
|
|
+ case WLAN_CIPHER_SUITE_CCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP_256:
|
|
|
+ len = scnprintf(buf, sizeof(buf), "%u\n", key->u.ccmp.replays);
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
+ len = scnprintf(buf, sizeof(buf), "%u\n",
|
|
|
+ key->u.aes_cmac.replays);
|
|
|
+ break;
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+- len = scnprintf(buf, sizeof(buf), "%u\n",
|
|
|
+- key->u.aes_gmac.replays);
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP_256:
|
|
|
+- len = scnprintf(buf, sizeof(buf), "%u\n", key->u.gcmp.replays);
|
|
|
+- break;
|
|
|
+ default:
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+@@ -238,15 +189,9 @@ static ssize_t key_icverrors_read(struct
|
|
|
+
|
|
|
+ switch (key->conf.cipher) {
|
|
|
+ case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
+ len = scnprintf(buf, sizeof(buf), "%u\n",
|
|
|
+ key->u.aes_cmac.icverrors);
|
|
|
+ break;
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+- len = scnprintf(buf, sizeof(buf), "%u\n",
|
|
|
+- key->u.aes_gmac.icverrors);
|
|
|
+- break;
|
|
|
+ default:
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+--- a/net/mac80211/key.c
|
|
|
++++ b/net/mac80211/key.c
|
|
|
+@@ -24,8 +24,6 @@
|
|
|
+ #include "debugfs_key.h"
|
|
|
+ #include "aes_ccm.h"
|
|
|
+ #include "aes_cmac.h"
|
|
|
+-#include "aes_gmac.h"
|
|
|
+-#include "aes_gcm.h"
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+@@ -164,13 +162,7 @@ static int ieee80211_key_enable_hw_accel
|
|
|
+ case WLAN_CIPHER_SUITE_WEP104:
|
|
|
+ case WLAN_CIPHER_SUITE_TKIP:
|
|
|
+ case WLAN_CIPHER_SUITE_CCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP_256:
|
|
|
+ case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP_256:
|
|
|
+ /* all of these we can do in software - if driver can */
|
|
|
+ if (ret == 1)
|
|
|
+ return 0;
|
|
|
+@@ -394,26 +386,7 @@ ieee80211_key_alloc(u32 cipher, int idx,
|
|
|
+ * Initialize AES key state here as an optimization so that
|
|
|
+ * it does not need to be initialized for every packet.
|
|
|
+ */
|
|
|
+- key->u.ccmp.tfm = ieee80211_aes_key_setup_encrypt(
|
|
|
+- key_data, key_len, IEEE80211_CCMP_MIC_LEN);
|
|
|
+- if (IS_ERR(key->u.ccmp.tfm)) {
|
|
|
+- err = PTR_ERR(key->u.ccmp.tfm);
|
|
|
+- kfree(key);
|
|
|
+- return ERR_PTR(err);
|
|
|
+- }
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP_256:
|
|
|
+- key->conf.iv_len = IEEE80211_CCMP_256_HDR_LEN;
|
|
|
+- key->conf.icv_len = IEEE80211_CCMP_256_MIC_LEN;
|
|
|
+- for (i = 0; seq && i < IEEE80211_NUM_TIDS + 1; i++)
|
|
|
+- for (j = 0; j < IEEE80211_CCMP_256_PN_LEN; j++)
|
|
|
+- key->u.ccmp.rx_pn[i][j] =
|
|
|
+- seq[IEEE80211_CCMP_256_PN_LEN - j - 1];
|
|
|
+- /* Initialize AES key state here as an optimization so that
|
|
|
+- * it does not need to be initialized for every packet.
|
|
|
+- */
|
|
|
+- key->u.ccmp.tfm = ieee80211_aes_key_setup_encrypt(
|
|
|
+- key_data, key_len, IEEE80211_CCMP_256_MIC_LEN);
|
|
|
++ key->u.ccmp.tfm = ieee80211_aes_key_setup_encrypt(key_data);
|
|
|
+ if (IS_ERR(key->u.ccmp.tfm)) {
|
|
|
+ err = PTR_ERR(key->u.ccmp.tfm);
|
|
|
+ kfree(key);
|
|
|
+@@ -421,12 +394,8 @@ ieee80211_key_alloc(u32 cipher, int idx,
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
+ key->conf.iv_len = 0;
|
|
|
+- if (cipher == WLAN_CIPHER_SUITE_AES_CMAC)
|
|
|
+- key->conf.icv_len = sizeof(struct ieee80211_mmie);
|
|
|
+- else
|
|
|
+- key->conf.icv_len = sizeof(struct ieee80211_mmie_16);
|
|
|
++ key->conf.icv_len = sizeof(struct ieee80211_mmie);
|
|
|
+ if (seq)
|
|
|
+ for (j = 0; j < IEEE80211_CMAC_PN_LEN; j++)
|
|
|
+ key->u.aes_cmac.rx_pn[j] =
|
|
|
+@@ -436,51 +405,13 @@ ieee80211_key_alloc(u32 cipher, int idx,
|
|
|
+ * it does not need to be initialized for every packet.
|
|
|
+ */
|
|
|
+ key->u.aes_cmac.tfm =
|
|
|
+- ieee80211_aes_cmac_key_setup(key_data, key_len);
|
|
|
++ ieee80211_aes_cmac_key_setup(key_data);
|
|
|
+ if (IS_ERR(key->u.aes_cmac.tfm)) {
|
|
|
+ err = PTR_ERR(key->u.aes_cmac.tfm);
|
|
|
+ kfree(key);
|
|
|
+ return ERR_PTR(err);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+- key->conf.iv_len = 0;
|
|
|
+- key->conf.icv_len = sizeof(struct ieee80211_mmie_16);
|
|
|
+- if (seq)
|
|
|
+- for (j = 0; j < IEEE80211_GMAC_PN_LEN; j++)
|
|
|
+- key->u.aes_gmac.rx_pn[j] =
|
|
|
+- seq[IEEE80211_GMAC_PN_LEN - j - 1];
|
|
|
+- /* Initialize AES key state here as an optimization so that
|
|
|
+- * it does not need to be initialized for every packet.
|
|
|
+- */
|
|
|
+- key->u.aes_gmac.tfm =
|
|
|
+- ieee80211_aes_gmac_key_setup(key_data, key_len);
|
|
|
+- if (IS_ERR(key->u.aes_gmac.tfm)) {
|
|
|
+- err = PTR_ERR(key->u.aes_gmac.tfm);
|
|
|
+- kfree(key);
|
|
|
+- return ERR_PTR(err);
|
|
|
+- }
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP_256:
|
|
|
+- key->conf.iv_len = IEEE80211_GCMP_HDR_LEN;
|
|
|
+- key->conf.icv_len = IEEE80211_GCMP_MIC_LEN;
|
|
|
+- for (i = 0; seq && i < IEEE80211_NUM_TIDS + 1; i++)
|
|
|
+- for (j = 0; j < IEEE80211_GCMP_PN_LEN; j++)
|
|
|
+- key->u.gcmp.rx_pn[i][j] =
|
|
|
+- seq[IEEE80211_GCMP_PN_LEN - j - 1];
|
|
|
+- /* Initialize AES key state here as an optimization so that
|
|
|
+- * it does not need to be initialized for every packet.
|
|
|
+- */
|
|
|
+- key->u.gcmp.tfm = ieee80211_aes_gcm_key_setup_encrypt(key_data,
|
|
|
+- key_len);
|
|
|
+- if (IS_ERR(key->u.gcmp.tfm)) {
|
|
|
+- err = PTR_ERR(key->u.gcmp.tfm);
|
|
|
+- kfree(key);
|
|
|
+- return ERR_PTR(err);
|
|
|
+- }
|
|
|
+- break;
|
|
|
+ default:
|
|
|
+ if (cs) {
|
|
|
+ size_t len = (seq_len > MAX_PN_LEN) ?
|
|
|
+@@ -502,24 +433,10 @@ ieee80211_key_alloc(u32 cipher, int idx,
|
|
|
+
|
|
|
+ static void ieee80211_key_free_common(struct ieee80211_key *key)
|
|
|
+ {
|
|
|
+- switch (key->conf.cipher) {
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP_256:
|
|
|
++ if (key->conf.cipher == WLAN_CIPHER_SUITE_CCMP)
|
|
|
+ ieee80211_aes_key_free(key->u.ccmp.tfm);
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
++ if (key->conf.cipher == WLAN_CIPHER_SUITE_AES_CMAC)
|
|
|
+ ieee80211_aes_cmac_key_free(key->u.aes_cmac.tfm);
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+- ieee80211_aes_gmac_key_free(key->u.aes_gmac.tfm);
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP_256:
|
|
|
+- ieee80211_aes_gcm_key_free(key->u.gcmp.tfm);
|
|
|
+- break;
|
|
|
+- }
|
|
|
+ kzfree(key);
|
|
|
+ }
|
|
|
+
|
|
|
+@@ -826,7 +743,6 @@ void ieee80211_get_key_tx_seq(struct iee
|
|
|
+ seq->tkip.iv16 = key->u.tkip.tx.iv16;
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_CCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP_256:
|
|
|
+ pn64 = atomic64_read(&key->u.ccmp.tx_pn);
|
|
|
+ seq->ccmp.pn[5] = pn64;
|
|
|
+ seq->ccmp.pn[4] = pn64 >> 8;
|
|
|
+@@ -836,7 +752,6 @@ void ieee80211_get_key_tx_seq(struct iee
|
|
|
+ seq->ccmp.pn[0] = pn64 >> 40;
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
+ pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
|
|
|
+ seq->ccmp.pn[5] = pn64;
|
|
|
+ seq->ccmp.pn[4] = pn64 >> 8;
|
|
|
+@@ -845,26 +760,6 @@ void ieee80211_get_key_tx_seq(struct iee
|
|
|
+ seq->ccmp.pn[1] = pn64 >> 32;
|
|
|
+ seq->ccmp.pn[0] = pn64 >> 40;
|
|
|
+ break;
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+- pn64 = atomic64_read(&key->u.aes_gmac.tx_pn);
|
|
|
+- seq->ccmp.pn[5] = pn64;
|
|
|
+- seq->ccmp.pn[4] = pn64 >> 8;
|
|
|
+- seq->ccmp.pn[3] = pn64 >> 16;
|
|
|
+- seq->ccmp.pn[2] = pn64 >> 24;
|
|
|
+- seq->ccmp.pn[1] = pn64 >> 32;
|
|
|
+- seq->ccmp.pn[0] = pn64 >> 40;
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP_256:
|
|
|
+- pn64 = atomic64_read(&key->u.gcmp.tx_pn);
|
|
|
+- seq->gcmp.pn[5] = pn64;
|
|
|
+- seq->gcmp.pn[4] = pn64 >> 8;
|
|
|
+- seq->gcmp.pn[3] = pn64 >> 16;
|
|
|
+- seq->gcmp.pn[2] = pn64 >> 24;
|
|
|
+- seq->gcmp.pn[1] = pn64 >> 32;
|
|
|
+- seq->gcmp.pn[0] = pn64 >> 40;
|
|
|
+- break;
|
|
|
+ default:
|
|
|
+ WARN_ON(1);
|
|
|
+ }
|
|
|
+@@ -887,7 +782,6 @@ void ieee80211_get_key_rx_seq(struct iee
|
|
|
+ seq->tkip.iv16 = key->u.tkip.rx[tid].iv16;
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_CCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP_256:
|
|
|
+ if (WARN_ON(tid < -1 || tid >= IEEE80211_NUM_TIDS))
|
|
|
+ return;
|
|
|
+ if (tid < 0)
|
|
|
+@@ -897,29 +791,11 @@ void ieee80211_get_key_rx_seq(struct iee
|
|
|
+ memcpy(seq->ccmp.pn, pn, IEEE80211_CCMP_PN_LEN);
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
+ if (WARN_ON(tid != 0))
|
|
|
+ return;
|
|
|
+ pn = key->u.aes_cmac.rx_pn;
|
|
|
+ memcpy(seq->aes_cmac.pn, pn, IEEE80211_CMAC_PN_LEN);
|
|
|
+ break;
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+- if (WARN_ON(tid != 0))
|
|
|
+- return;
|
|
|
+- pn = key->u.aes_gmac.rx_pn;
|
|
|
+- memcpy(seq->aes_gmac.pn, pn, IEEE80211_GMAC_PN_LEN);
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP_256:
|
|
|
+- if (WARN_ON(tid < -1 || tid >= IEEE80211_NUM_TIDS))
|
|
|
+- return;
|
|
|
+- if (tid < 0)
|
|
|
+- pn = key->u.gcmp.rx_pn[IEEE80211_NUM_TIDS];
|
|
|
+- else
|
|
|
+- pn = key->u.gcmp.rx_pn[tid];
|
|
|
+- memcpy(seq->gcmp.pn, pn, IEEE80211_GCMP_PN_LEN);
|
|
|
+- break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ EXPORT_SYMBOL(ieee80211_get_key_rx_seq);
|
|
|
+@@ -938,7 +814,6 @@ void ieee80211_set_key_tx_seq(struct iee
|
|
|
+ key->u.tkip.tx.iv16 = seq->tkip.iv16;
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_CCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP_256:
|
|
|
+ pn64 = (u64)seq->ccmp.pn[5] |
|
|
|
+ ((u64)seq->ccmp.pn[4] << 8) |
|
|
|
+ ((u64)seq->ccmp.pn[3] << 16) |
|
|
|
+@@ -948,7 +823,6 @@ void ieee80211_set_key_tx_seq(struct iee
|
|
|
+ atomic64_set(&key->u.ccmp.tx_pn, pn64);
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
+ pn64 = (u64)seq->aes_cmac.pn[5] |
|
|
|
+ ((u64)seq->aes_cmac.pn[4] << 8) |
|
|
|
+ ((u64)seq->aes_cmac.pn[3] << 16) |
|
|
|
+@@ -957,26 +831,6 @@ void ieee80211_set_key_tx_seq(struct iee
|
|
|
+ ((u64)seq->aes_cmac.pn[0] << 40);
|
|
|
+ atomic64_set(&key->u.aes_cmac.tx_pn, pn64);
|
|
|
+ break;
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+- pn64 = (u64)seq->aes_gmac.pn[5] |
|
|
|
+- ((u64)seq->aes_gmac.pn[4] << 8) |
|
|
|
+- ((u64)seq->aes_gmac.pn[3] << 16) |
|
|
|
+- ((u64)seq->aes_gmac.pn[2] << 24) |
|
|
|
+- ((u64)seq->aes_gmac.pn[1] << 32) |
|
|
|
+- ((u64)seq->aes_gmac.pn[0] << 40);
|
|
|
+- atomic64_set(&key->u.aes_gmac.tx_pn, pn64);
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP_256:
|
|
|
+- pn64 = (u64)seq->gcmp.pn[5] |
|
|
|
+- ((u64)seq->gcmp.pn[4] << 8) |
|
|
|
+- ((u64)seq->gcmp.pn[3] << 16) |
|
|
|
+- ((u64)seq->gcmp.pn[2] << 24) |
|
|
|
+- ((u64)seq->gcmp.pn[1] << 32) |
|
|
|
+- ((u64)seq->gcmp.pn[0] << 40);
|
|
|
+- atomic64_set(&key->u.gcmp.tx_pn, pn64);
|
|
|
+- break;
|
|
|
+ default:
|
|
|
+ WARN_ON(1);
|
|
|
+ break;
|
|
|
+@@ -1000,7 +854,6 @@ void ieee80211_set_key_rx_seq(struct iee
|
|
|
+ key->u.tkip.rx[tid].iv16 = seq->tkip.iv16;
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_CCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP_256:
|
|
|
+ if (WARN_ON(tid < -1 || tid >= IEEE80211_NUM_TIDS))
|
|
|
+ return;
|
|
|
+ if (tid < 0)
|
|
|
+@@ -1010,29 +863,11 @@ void ieee80211_set_key_rx_seq(struct iee
|
|
|
+ memcpy(pn, seq->ccmp.pn, IEEE80211_CCMP_PN_LEN);
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
+ if (WARN_ON(tid != 0))
|
|
|
+ return;
|
|
|
+ pn = key->u.aes_cmac.rx_pn;
|
|
|
+ memcpy(pn, seq->aes_cmac.pn, IEEE80211_CMAC_PN_LEN);
|
|
|
+ break;
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+- if (WARN_ON(tid != 0))
|
|
|
+- return;
|
|
|
+- pn = key->u.aes_gmac.rx_pn;
|
|
|
+- memcpy(pn, seq->aes_gmac.pn, IEEE80211_GMAC_PN_LEN);
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP_256:
|
|
|
+- if (WARN_ON(tid < -1 || tid >= IEEE80211_NUM_TIDS))
|
|
|
+- return;
|
|
|
+- if (tid < 0)
|
|
|
+- pn = key->u.gcmp.rx_pn[IEEE80211_NUM_TIDS];
|
|
|
+- else
|
|
|
+- pn = key->u.gcmp.rx_pn[tid];
|
|
|
+- memcpy(pn, seq->gcmp.pn, IEEE80211_GCMP_PN_LEN);
|
|
|
+- break;
|
|
|
+ default:
|
|
|
+ WARN_ON(1);
|
|
|
+ break;
|
|
|
+--- a/net/mac80211/key.h
|
|
|
++++ b/net/mac80211/key.h
|
|
|
+@@ -84,7 +84,7 @@ struct ieee80211_key {
|
|
|
+ * Management frames.
|
|
|
+ */
|
|
|
+ u8 rx_pn[IEEE80211_NUM_TIDS + 1][IEEE80211_CCMP_PN_LEN];
|
|
|
+- struct crypto_aead *tfm;
|
|
|
++ struct crypto_cipher *tfm;
|
|
|
+ u32 replays; /* dot11RSNAStatsCCMPReplays */
|
|
|
+ } ccmp;
|
|
|
+ struct {
|
|
|
+@@ -95,24 +95,6 @@ struct ieee80211_key {
|
|
|
+ u32 icverrors; /* dot11RSNAStatsCMACICVErrors */
|
|
|
+ } aes_cmac;
|
|
|
+ struct {
|
|
|
+- atomic64_t tx_pn;
|
|
|
+- u8 rx_pn[IEEE80211_GMAC_PN_LEN];
|
|
|
+- struct crypto_aead *tfm;
|
|
|
+- u32 replays; /* dot11RSNAStatsCMACReplays */
|
|
|
+- u32 icverrors; /* dot11RSNAStatsCMACICVErrors */
|
|
|
+- } aes_gmac;
|
|
|
+- struct {
|
|
|
+- atomic64_t tx_pn;
|
|
|
+- /* Last received packet number. The first
|
|
|
+- * IEEE80211_NUM_TIDS counters are used with Data
|
|
|
+- * frames and the last counter is used with Robust
|
|
|
+- * Management frames.
|
|
|
+- */
|
|
|
+- u8 rx_pn[IEEE80211_NUM_TIDS + 1][IEEE80211_GCMP_PN_LEN];
|
|
|
+- struct crypto_aead *tfm;
|
|
|
+- u32 replays; /* dot11RSNAStatsGCMPReplays */
|
|
|
+- } gcmp;
|
|
|
+- struct {
|
|
|
+ /* generic cipher scheme */
|
|
|
+ u8 rx_pn[IEEE80211_NUM_TIDS + 1][MAX_PN_LEN];
|
|
|
+ } gen;
|
|
|
+--- a/net/mac80211/main.c
|
|
|
++++ b/net/mac80211/main.c
|
|
|
+@@ -666,15 +666,9 @@ static int ieee80211_init_cipher_suites(
|
|
|
+ WLAN_CIPHER_SUITE_WEP104,
|
|
|
+ WLAN_CIPHER_SUITE_TKIP,
|
|
|
+ WLAN_CIPHER_SUITE_CCMP,
|
|
|
+- WLAN_CIPHER_SUITE_CCMP_256,
|
|
|
+- WLAN_CIPHER_SUITE_GCMP,
|
|
|
+- WLAN_CIPHER_SUITE_GCMP_256,
|
|
|
+
|
|
|
+ /* keep last -- depends on hw flags! */
|
|
|
+- WLAN_CIPHER_SUITE_AES_CMAC,
|
|
|
+- WLAN_CIPHER_SUITE_BIP_CMAC_256,
|
|
|
+- WLAN_CIPHER_SUITE_BIP_GMAC_128,
|
|
|
+- WLAN_CIPHER_SUITE_BIP_GMAC_256,
|
|
|
++ WLAN_CIPHER_SUITE_AES_CMAC
|
|
|
+ };
|
|
|
+
|
|
|
+ if (local->hw.flags & IEEE80211_HW_SW_CRYPTO_CONTROL ||
|
|
|
+@@ -713,7 +707,7 @@ static int ieee80211_init_cipher_suites(
|
|
|
+ local->hw.wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
|
|
|
+
|
|
|
+ if (!have_mfp)
|
|
|
+- local->hw.wiphy->n_cipher_suites -= 4;
|
|
|
++ local->hw.wiphy->n_cipher_suites--;
|
|
|
+
|
|
|
+ if (!have_wep) {
|
|
|
+ local->hw.wiphy->cipher_suites += 2;
|
|
|
+@@ -730,42 +724,32 @@ static int ieee80211_init_cipher_suites(
|
|
|
+ /* Driver specifies cipher schemes only (but not cipher suites
|
|
|
+ * including the schemes)
|
|
|
+ *
|
|
|
+- * We start counting ciphers defined by schemes, TKIP, CCMP,
|
|
|
+- * CCMP-256, GCMP, and GCMP-256
|
|
|
++ * We start counting ciphers defined by schemes, TKIP and CCMP
|
|
|
+ */
|
|
|
+- n_suites = local->hw.n_cipher_schemes + 5;
|
|
|
++ n_suites = local->hw.n_cipher_schemes + 2;
|
|
|
+
|
|
|
+ /* check if we have WEP40 and WEP104 */
|
|
|
+ if (have_wep)
|
|
|
+ n_suites += 2;
|
|
|
+
|
|
|
+- /* check if we have AES_CMAC, BIP-CMAC-256, BIP-GMAC-128,
|
|
|
+- * BIP-GMAC-256
|
|
|
+- */
|
|
|
++ /* check if we have AES_CMAC */
|
|
|
+ if (have_mfp)
|
|
|
+- n_suites += 4;
|
|
|
++ n_suites++;
|
|
|
+
|
|
|
+ suites = kmalloc(sizeof(u32) * n_suites, GFP_KERNEL);
|
|
|
+ if (!suites)
|
|
|
+ return -ENOMEM;
|
|
|
+
|
|
|
+ suites[w++] = WLAN_CIPHER_SUITE_CCMP;
|
|
|
+- suites[w++] = WLAN_CIPHER_SUITE_CCMP_256;
|
|
|
+ suites[w++] = WLAN_CIPHER_SUITE_TKIP;
|
|
|
+- suites[w++] = WLAN_CIPHER_SUITE_GCMP;
|
|
|
+- suites[w++] = WLAN_CIPHER_SUITE_GCMP_256;
|
|
|
+
|
|
|
+ if (have_wep) {
|
|
|
+ suites[w++] = WLAN_CIPHER_SUITE_WEP40;
|
|
|
+ suites[w++] = WLAN_CIPHER_SUITE_WEP104;
|
|
|
+ }
|
|
|
+
|
|
|
+- if (have_mfp) {
|
|
|
++ if (have_mfp)
|
|
|
+ suites[w++] = WLAN_CIPHER_SUITE_AES_CMAC;
|
|
|
+- suites[w++] = WLAN_CIPHER_SUITE_BIP_CMAC_256;
|
|
|
+- suites[w++] = WLAN_CIPHER_SUITE_BIP_GMAC_128;
|
|
|
+- suites[w++] = WLAN_CIPHER_SUITE_BIP_GMAC_256;
|
|
|
+- }
|
|
|
+
|
|
|
+ for (r = 0; r < local->hw.n_cipher_schemes; r++)
|
|
|
+ suites[w++] = cs[r].cipher;
|
|
|
+--- a/net/mac80211/rx.c
|
|
|
++++ b/net/mac80211/rx.c
|
|
|
+@@ -647,7 +647,6 @@ static int ieee80211_get_mmie_keyidx(str
|
|
|
+ {
|
|
|
+ struct ieee80211_mgmt *hdr = (struct ieee80211_mgmt *) skb->data;
|
|
|
+ struct ieee80211_mmie *mmie;
|
|
|
+- struct ieee80211_mmie_16 *mmie16;
|
|
|
+
|
|
|
+ if (skb->len < 24 + sizeof(*mmie) || !is_multicast_ether_addr(hdr->da))
|
|
|
+ return -1;
|
|
|
+@@ -657,18 +656,11 @@ static int ieee80211_get_mmie_keyidx(str
|
|
|
+
|
|
|
+ mmie = (struct ieee80211_mmie *)
|
|
|
+ (skb->data + skb->len - sizeof(*mmie));
|
|
|
+- if (mmie->element_id == WLAN_EID_MMIE &&
|
|
|
+- mmie->length == sizeof(*mmie) - 2)
|
|
|
+- return le16_to_cpu(mmie->key_id);
|
|
|
+-
|
|
|
+- mmie16 = (struct ieee80211_mmie_16 *)
|
|
|
+- (skb->data + skb->len - sizeof(*mmie16));
|
|
|
+- if (skb->len >= 24 + sizeof(*mmie16) &&
|
|
|
+- mmie16->element_id == WLAN_EID_MMIE &&
|
|
|
+- mmie16->length == sizeof(*mmie16) - 2)
|
|
|
+- return le16_to_cpu(mmie16->key_id);
|
|
|
++ if (mmie->element_id != WLAN_EID_MMIE ||
|
|
|
++ mmie->length != sizeof(*mmie) - 2)
|
|
|
++ return -1;
|
|
|
+
|
|
|
+- return -1;
|
|
|
++ return le16_to_cpu(mmie->key_id);
|
|
|
+ }
|
|
|
+
|
|
|
+ static int iwl80211_get_cs_keyid(const struct ieee80211_cipher_scheme *cs,
|
|
|
+@@ -1658,27 +1650,11 @@ ieee80211_rx_h_decrypt(struct ieee80211_
|
|
|
+ result = ieee80211_crypto_tkip_decrypt(rx);
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_CCMP:
|
|
|
+- result = ieee80211_crypto_ccmp_decrypt(
|
|
|
+- rx, IEEE80211_CCMP_MIC_LEN);
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP_256:
|
|
|
+- result = ieee80211_crypto_ccmp_decrypt(
|
|
|
+- rx, IEEE80211_CCMP_256_MIC_LEN);
|
|
|
++ result = ieee80211_crypto_ccmp_decrypt(rx);
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+ result = ieee80211_crypto_aes_cmac_decrypt(rx);
|
|
|
+ break;
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
+- result = ieee80211_crypto_aes_cmac_256_decrypt(rx);
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+- result = ieee80211_crypto_aes_gmac_decrypt(rx);
|
|
|
+- break;
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP_256:
|
|
|
+- result = ieee80211_crypto_gcmp_decrypt(rx);
|
|
|
+- break;
|
|
|
+ default:
|
|
|
+ result = ieee80211_crypto_hw_decrypt(rx);
|
|
|
+ }
|
|
|
+@@ -1805,9 +1781,7 @@ ieee80211_rx_h_defragment(struct ieee802
|
|
|
+ /* This is the first fragment of a new frame. */
|
|
|
+ entry = ieee80211_reassemble_add(rx->sdata, frag, seq,
|
|
|
+ rx->seqno_idx, &(rx->skb));
|
|
|
+- if (rx->key &&
|
|
|
+- (rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP ||
|
|
|
+- rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP_256) &&
|
|
|
++ if (rx->key && rx->key->conf.cipher == WLAN_CIPHER_SUITE_CCMP &&
|
|
|
+ ieee80211_has_protected(fc)) {
|
|
|
+ int queue = rx->security_idx;
|
|
|
+ /* Store CCMP PN so that we can verify that the next
|
|
|
+@@ -1836,9 +1810,7 @@ ieee80211_rx_h_defragment(struct ieee802
|
|
|
+ int i;
|
|
|
+ u8 pn[IEEE80211_CCMP_PN_LEN], *rpn;
|
|
|
+ int queue;
|
|
|
+- if (!rx->key ||
|
|
|
+- (rx->key->conf.cipher != WLAN_CIPHER_SUITE_CCMP &&
|
|
|
+- rx->key->conf.cipher != WLAN_CIPHER_SUITE_CCMP_256))
|
|
|
++ if (!rx->key || rx->key->conf.cipher != WLAN_CIPHER_SUITE_CCMP)
|
|
|
+ return RX_DROP_UNUSABLE;
|
|
|
+ memcpy(pn, entry->last_pn, IEEE80211_CCMP_PN_LEN);
|
|
|
+ for (i = IEEE80211_CCMP_PN_LEN - 1; i >= 0; i--) {
|
|
|
+--- a/net/mac80211/tx.c
|
|
|
++++ b/net/mac80211/tx.c
|
|
|
+@@ -626,9 +626,6 @@ ieee80211_tx_h_select_key(struct ieee802
|
|
|
+ tx->key = NULL;
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_CCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP_256:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP_256:
|
|
|
+ if (!ieee80211_is_data_present(hdr->frame_control) &&
|
|
|
+ !ieee80211_use_mfp(hdr->frame_control, tx->sta,
|
|
|
+ tx->skb))
|
|
|
+@@ -639,9 +636,6 @@ ieee80211_tx_h_select_key(struct ieee802
|
|
|
+ ieee80211_is_mgmt(hdr->frame_control);
|
|
|
+ break;
|
|
|
+ case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+ if (!ieee80211_is_mgmt(hdr->frame_control))
|
|
|
+ tx->key = NULL;
|
|
|
+ break;
|
|
|
+@@ -1017,21 +1011,9 @@ ieee80211_tx_h_encrypt(struct ieee80211_
|
|
|
+ case WLAN_CIPHER_SUITE_TKIP:
|
|
|
+ return ieee80211_crypto_tkip_encrypt(tx);
|
|
|
+ case WLAN_CIPHER_SUITE_CCMP:
|
|
|
+- return ieee80211_crypto_ccmp_encrypt(
|
|
|
+- tx, IEEE80211_CCMP_MIC_LEN);
|
|
|
+- case WLAN_CIPHER_SUITE_CCMP_256:
|
|
|
+- return ieee80211_crypto_ccmp_encrypt(
|
|
|
+- tx, IEEE80211_CCMP_256_MIC_LEN);
|
|
|
++ return ieee80211_crypto_ccmp_encrypt(tx);
|
|
|
+ case WLAN_CIPHER_SUITE_AES_CMAC:
|
|
|
+ return ieee80211_crypto_aes_cmac_encrypt(tx);
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_CMAC_256:
|
|
|
+- return ieee80211_crypto_aes_cmac_256_encrypt(tx);
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_128:
|
|
|
+- case WLAN_CIPHER_SUITE_BIP_GMAC_256:
|
|
|
+- return ieee80211_crypto_aes_gmac_encrypt(tx);
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP:
|
|
|
+- case WLAN_CIPHER_SUITE_GCMP_256:
|
|
|
+- return ieee80211_crypto_gcmp_encrypt(tx);
|
|
|
+ default:
|
|
|
+ return ieee80211_crypto_hw_encrypt(tx);
|
|
|
+ }
|
|
|
+--- a/net/mac80211/wpa.c
|
|
|
++++ b/net/mac80211/wpa.c
|
|
|
+@@ -22,8 +22,6 @@
|
|
|
+ #include "tkip.h"
|
|
|
+ #include "aes_ccm.h"
|
|
|
+ #include "aes_cmac.h"
|
|
|
+-#include "aes_gmac.h"
|
|
|
+-#include "aes_gcm.h"
|
|
|
+ #include "wpa.h"
|
|
|
+
|
|
|
+ ieee80211_tx_result
|
|
|
+@@ -304,15 +302,22 @@ ieee80211_crypto_tkip_decrypt(struct iee
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+-static void ccmp_special_blocks(struct sk_buff *skb, u8 *pn, u8 *b_0, u8 *aad)
|
|
|
++static void ccmp_special_blocks(struct sk_buff *skb, u8 *pn, u8 *scratch,
|
|
|
++ int encrypted)
|
|
|
+ {
|
|
|
+ __le16 mask_fc;
|
|
|
+ int a4_included, mgmt;
|
|
|
+ u8 qos_tid;
|
|
|
+- u16 len_a;
|
|
|
++ u8 *b_0, *aad;
|
|
|
++ u16 data_len, len_a;
|
|
|
+ unsigned int hdrlen;
|
|
|
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
|
|
|
+
|
|
|
++ memset(scratch, 0, 6 * AES_BLOCK_SIZE);
|
|
|
++
|
|
|
++ b_0 = scratch + 3 * AES_BLOCK_SIZE;
|
|
|
++ aad = scratch + 4 * AES_BLOCK_SIZE;
|
|
|
++
|
|
|
+ /*
|
|
|
+ * Mask FC: zero subtype b4 b5 b6 (if not mgmt)
|
|
|
+ * Retry, PwrMgt, MoreData; set Protected
|
|
|
+@@ -334,21 +339,20 @@ static void ccmp_special_blocks(struct s
|
|
|
+ else
|
|
|
+ qos_tid = 0;
|
|
|
+
|
|
|
+- /* In CCM, the initial vectors (IV) used for CTR mode encryption and CBC
|
|
|
+- * mode authentication are not allowed to collide, yet both are derived
|
|
|
+- * from this vector b_0. We only set L := 1 here to indicate that the
|
|
|
+- * data size can be represented in (L+1) bytes. The CCM layer will take
|
|
|
+- * care of storing the data length in the top (L+1) bytes and setting
|
|
|
+- * and clearing the other bits as is required to derive the two IVs.
|
|
|
+- */
|
|
|
+- b_0[0] = 0x1;
|
|
|
++ data_len = skb->len - hdrlen - IEEE80211_CCMP_HDR_LEN;
|
|
|
++ if (encrypted)
|
|
|
++ data_len -= IEEE80211_CCMP_MIC_LEN;
|
|
|
+
|
|
|
++ /* First block, b_0 */
|
|
|
++ b_0[0] = 0x59; /* flags: Adata: 1, M: 011, L: 001 */
|
|
|
+ /* Nonce: Nonce Flags | A2 | PN
|
|
|
+ * Nonce Flags: Priority (b0..b3) | Management (b4) | Reserved (b5..b7)
|
|
|
+ */
|
|
|
+ b_0[1] = qos_tid | (mgmt << 4);
|
|
|
+ memcpy(&b_0[2], hdr->addr2, ETH_ALEN);
|
|
|
+ memcpy(&b_0[8], pn, IEEE80211_CCMP_PN_LEN);
|
|
|
++ /* l(m) */
|
|
|
++ put_unaligned_be16(data_len, &b_0[14]);
|
|
|
+
|
|
|
+ /* AAD (extra authenticate-only data) / masked 802.11 header
|
|
|
+ * FC | A1 | A2 | A3 | SC | [A4] | [QC] */
|
|
|
+@@ -395,8 +399,7 @@ static inline void ccmp_hdr2pn(u8 *pn, u
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+-static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb,
|
|
|
+- unsigned int mic_len)
|
|
|
++static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
|
|
|
+ {
|
|
|
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
|
|
|
+ struct ieee80211_key *key = tx->key;
|
|
|
+@@ -405,8 +408,7 @@ static int ccmp_encrypt_skb(struct ieee8
|
|
|
+ u8 *pos;
|
|
|
+ u8 pn[6];
|
|
|
+ u64 pn64;
|
|
|
+- u8 aad[2 * AES_BLOCK_SIZE];
|
|
|
+- u8 b_0[AES_BLOCK_SIZE];
|
|
|
++ u8 scratch[6 * AES_BLOCK_SIZE];
|
|
|
+
|
|
|
+ if (info->control.hw_key &&
|
|
|
+ !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV) &&
|
|
|
+@@ -427,7 +429,7 @@ static int ccmp_encrypt_skb(struct ieee8
|
|
|
+ if (info->control.hw_key)
|
|
|
+ tail = 0;
|
|
|
+ else
|
|
|
+- tail = mic_len;
|
|
|
++ tail = IEEE80211_CCMP_MIC_LEN;
|
|
|
+
|
|
|
+ if (WARN_ON(skb_tailroom(skb) < tail ||
|
|
|
+ skb_headroom(skb) < IEEE80211_CCMP_HDR_LEN))
|
|
|
+@@ -460,24 +462,23 @@ static int ccmp_encrypt_skb(struct ieee8
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ pos += IEEE80211_CCMP_HDR_LEN;
|
|
|
+- ccmp_special_blocks(skb, pn, b_0, aad);
|
|
|
+- ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, b_0, aad, pos, len,
|
|
|
+- skb_put(skb, mic_len), mic_len);
|
|
|
++ ccmp_special_blocks(skb, pn, scratch, 0);
|
|
|
++ ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, scratch, pos, len,
|
|
|
++ pos, skb_put(skb, IEEE80211_CCMP_MIC_LEN));
|
|
|
+
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ ieee80211_tx_result
|
|
|
+-ieee80211_crypto_ccmp_encrypt(struct ieee80211_tx_data *tx,
|
|
|
+- unsigned int mic_len)
|
|
|
++ieee80211_crypto_ccmp_encrypt(struct ieee80211_tx_data *tx)
|
|
|
+ {
|
|
|
+ struct sk_buff *skb;
|
|
|
+
|
|
|
+ ieee80211_tx_set_protected(tx);
|
|
|
+
|
|
|
+ skb_queue_walk(&tx->skbs, skb) {
|
|
|
+- if (ccmp_encrypt_skb(tx, skb, mic_len) < 0)
|
|
|
++ if (ccmp_encrypt_skb(tx, skb) < 0)
|
|
|
+ return TX_DROP;
|
|
|
+ }
|
|
|
+
|
|
|
+@@ -486,8 +487,7 @@ ieee80211_crypto_ccmp_encrypt(struct iee
|
|
|
+
|
|
|
+
|
|
|
+ ieee80211_rx_result
|
|
|
+-ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx,
|
|
|
+- unsigned int mic_len)
|
|
|
++ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx)
|
|
|
+ {
|
|
|
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
|
|
|
+ int hdrlen;
|
|
|
+@@ -504,7 +504,8 @@ ieee80211_crypto_ccmp_decrypt(struct iee
|
|
|
+ !ieee80211_is_robust_mgmt_frame(skb))
|
|
|
+ return RX_CONTINUE;
|
|
|
+
|
|
|
+- data_len = skb->len - hdrlen - IEEE80211_CCMP_HDR_LEN - mic_len;
|
|
|
++ data_len = skb->len - hdrlen - IEEE80211_CCMP_HDR_LEN -
|
|
|
++ IEEE80211_CCMP_MIC_LEN;
|
|
|
+ if (!rx->sta || data_len < 0)
|
|
|
+ return RX_DROP_UNUSABLE;
|
|
|
+
|
|
|
+@@ -526,23 +527,23 @@ ieee80211_crypto_ccmp_decrypt(struct iee
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!(status->flag & RX_FLAG_DECRYPTED)) {
|
|
|
+- u8 aad[2 * AES_BLOCK_SIZE];
|
|
|
+- u8 b_0[AES_BLOCK_SIZE];
|
|
|
++ u8 scratch[6 * AES_BLOCK_SIZE];
|
|
|
+ /* hardware didn't decrypt/verify MIC */
|
|
|
+- ccmp_special_blocks(skb, pn, b_0, aad);
|
|
|
++ ccmp_special_blocks(skb, pn, scratch, 1);
|
|
|
+
|
|
|
+ if (ieee80211_aes_ccm_decrypt(
|
|
|
+- key->u.ccmp.tfm, b_0, aad,
|
|
|
++ key->u.ccmp.tfm, scratch,
|
|
|
+ skb->data + hdrlen + IEEE80211_CCMP_HDR_LEN,
|
|
|
+ data_len,
|
|
|
+- skb->data + skb->len - mic_len, mic_len))
|
|
|
++ skb->data + skb->len - IEEE80211_CCMP_MIC_LEN,
|
|
|
++ skb->data + hdrlen + IEEE80211_CCMP_HDR_LEN))
|
|
|
+ return RX_DROP_UNUSABLE;
|
|
|
+ }
|
|
|
+
|
|
|
+ memcpy(key->u.ccmp.rx_pn[queue], pn, IEEE80211_CCMP_PN_LEN);
|
|
|
+
|
|
|
+ /* Remove CCMP header and MIC */
|
|
|
+- if (pskb_trim(skb, skb->len - mic_len))
|
|
|
++ if (pskb_trim(skb, skb->len - IEEE80211_CCMP_MIC_LEN))
|
|
|
+ return RX_DROP_UNUSABLE;
|
|
|
+ memmove(skb->data + IEEE80211_CCMP_HDR_LEN, skb->data, hdrlen);
|
|
|
+ skb_pull(skb, IEEE80211_CCMP_HDR_LEN);
|
|
|
+@@ -550,229 +551,6 @@ ieee80211_crypto_ccmp_decrypt(struct iee
|
|
|
+ return RX_CONTINUE;
|
|
|
+ }
|
|
|
+
|
|
|
+-static void gcmp_special_blocks(struct sk_buff *skb, u8 *pn, u8 *j_0, u8 *aad)
|
|
|
+-{
|
|
|
+- __le16 mask_fc;
|
|
|
+- u8 qos_tid;
|
|
|
+- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
|
|
|
+-
|
|
|
+- memcpy(j_0, hdr->addr2, ETH_ALEN);
|
|
|
+- memcpy(&j_0[ETH_ALEN], pn, IEEE80211_GCMP_PN_LEN);
|
|
|
+- j_0[13] = 0;
|
|
|
+- j_0[14] = 0;
|
|
|
+- j_0[AES_BLOCK_SIZE - 1] = 0x01;
|
|
|
+-
|
|
|
+- /* AAD (extra authenticate-only data) / masked 802.11 header
|
|
|
+- * FC | A1 | A2 | A3 | SC | [A4] | [QC]
|
|
|
+- */
|
|
|
+- put_unaligned_be16(ieee80211_hdrlen(hdr->frame_control) - 2, &aad[0]);
|
|
|
+- /* Mask FC: zero subtype b4 b5 b6 (if not mgmt)
|
|
|
+- * Retry, PwrMgt, MoreData; set Protected
|
|
|
+- */
|
|
|
+- mask_fc = hdr->frame_control;
|
|
|
+- mask_fc &= ~cpu_to_le16(IEEE80211_FCTL_RETRY |
|
|
|
+- IEEE80211_FCTL_PM | IEEE80211_FCTL_MOREDATA);
|
|
|
+- if (!ieee80211_is_mgmt(hdr->frame_control))
|
|
|
+- mask_fc &= ~cpu_to_le16(0x0070);
|
|
|
+- mask_fc |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
|
|
|
+-
|
|
|
+- put_unaligned(mask_fc, (__le16 *)&aad[2]);
|
|
|
+- memcpy(&aad[4], &hdr->addr1, 3 * ETH_ALEN);
|
|
|
+-
|
|
|
+- /* Mask Seq#, leave Frag# */
|
|
|
+- aad[22] = *((u8 *)&hdr->seq_ctrl) & 0x0f;
|
|
|
+- aad[23] = 0;
|
|
|
+-
|
|
|
+- if (ieee80211_is_data_qos(hdr->frame_control))
|
|
|
+- qos_tid = *ieee80211_get_qos_ctl(hdr) &
|
|
|
+- IEEE80211_QOS_CTL_TID_MASK;
|
|
|
+- else
|
|
|
+- qos_tid = 0;
|
|
|
+-
|
|
|
+- if (ieee80211_has_a4(hdr->frame_control)) {
|
|
|
+- memcpy(&aad[24], hdr->addr4, ETH_ALEN);
|
|
|
+- aad[30] = qos_tid;
|
|
|
+- aad[31] = 0;
|
|
|
+- } else {
|
|
|
+- memset(&aad[24], 0, ETH_ALEN + IEEE80211_QOS_CTL_LEN);
|
|
|
+- aad[24] = qos_tid;
|
|
|
+- }
|
|
|
+-}
|
|
|
+-
|
|
|
+-static inline void gcmp_pn2hdr(u8 *hdr, const u8 *pn, int key_id)
|
|
|
+-{
|
|
|
+- hdr[0] = pn[5];
|
|
|
+- hdr[1] = pn[4];
|
|
|
+- hdr[2] = 0;
|
|
|
+- hdr[3] = 0x20 | (key_id << 6);
|
|
|
+- hdr[4] = pn[3];
|
|
|
+- hdr[5] = pn[2];
|
|
|
+- hdr[6] = pn[1];
|
|
|
+- hdr[7] = pn[0];
|
|
|
+-}
|
|
|
+-
|
|
|
+-static inline void gcmp_hdr2pn(u8 *pn, const u8 *hdr)
|
|
|
+-{
|
|
|
+- pn[0] = hdr[7];
|
|
|
+- pn[1] = hdr[6];
|
|
|
+- pn[2] = hdr[5];
|
|
|
+- pn[3] = hdr[4];
|
|
|
+- pn[4] = hdr[1];
|
|
|
+- pn[5] = hdr[0];
|
|
|
+-}
|
|
|
+-
|
|
|
+-static int gcmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
|
|
|
+-{
|
|
|
+- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
|
|
|
+- struct ieee80211_key *key = tx->key;
|
|
|
+- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
|
|
|
+- int hdrlen, len, tail;
|
|
|
+- u8 *pos;
|
|
|
+- u8 pn[6];
|
|
|
+- u64 pn64;
|
|
|
+- u8 aad[2 * AES_BLOCK_SIZE];
|
|
|
+- u8 j_0[AES_BLOCK_SIZE];
|
|
|
+-
|
|
|
+- if (info->control.hw_key &&
|
|
|
+- !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV) &&
|
|
|
+- !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE) &&
|
|
|
+- !((info->control.hw_key->flags &
|
|
|
+- IEEE80211_KEY_FLAG_GENERATE_IV_MGMT) &&
|
|
|
+- ieee80211_is_mgmt(hdr->frame_control))) {
|
|
|
+- /* hwaccel has no need for preallocated room for GCMP
|
|
|
+- * header or MIC fields
|
|
|
+- */
|
|
|
+- return 0;
|
|
|
+- }
|
|
|
+-
|
|
|
+- hdrlen = ieee80211_hdrlen(hdr->frame_control);
|
|
|
+- len = skb->len - hdrlen;
|
|
|
+-
|
|
|
+- if (info->control.hw_key)
|
|
|
+- tail = 0;
|
|
|
+- else
|
|
|
+- tail = IEEE80211_GCMP_MIC_LEN;
|
|
|
+-
|
|
|
+- if (WARN_ON(skb_tailroom(skb) < tail ||
|
|
|
+- skb_headroom(skb) < IEEE80211_GCMP_HDR_LEN))
|
|
|
+- return -1;
|
|
|
+-
|
|
|
+- pos = skb_push(skb, IEEE80211_GCMP_HDR_LEN);
|
|
|
+- memmove(pos, pos + IEEE80211_GCMP_HDR_LEN, hdrlen);
|
|
|
+- skb_set_network_header(skb, skb_network_offset(skb) +
|
|
|
+- IEEE80211_GCMP_HDR_LEN);
|
|
|
+-
|
|
|
+- /* the HW only needs room for the IV, but not the actual IV */
|
|
|
+- if (info->control.hw_key &&
|
|
|
+- (info->control.hw_key->flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE))
|
|
|
+- return 0;
|
|
|
+-
|
|
|
+- hdr = (struct ieee80211_hdr *)pos;
|
|
|
+- pos += hdrlen;
|
|
|
+-
|
|
|
+- pn64 = atomic64_inc_return(&key->u.gcmp.tx_pn);
|
|
|
+-
|
|
|
+- pn[5] = pn64;
|
|
|
+- pn[4] = pn64 >> 8;
|
|
|
+- pn[3] = pn64 >> 16;
|
|
|
+- pn[2] = pn64 >> 24;
|
|
|
+- pn[1] = pn64 >> 32;
|
|
|
+- pn[0] = pn64 >> 40;
|
|
|
+-
|
|
|
+- gcmp_pn2hdr(pos, pn, key->conf.keyidx);
|
|
|
+-
|
|
|
+- /* hwaccel - with software GCMP header */
|
|
|
+- if (info->control.hw_key)
|
|
|
+- return 0;
|
|
|
+-
|
|
|
+- pos += IEEE80211_GCMP_HDR_LEN;
|
|
|
+- gcmp_special_blocks(skb, pn, j_0, aad);
|
|
|
+- ieee80211_aes_gcm_encrypt(key->u.gcmp.tfm, j_0, aad, pos, len,
|
|
|
+- skb_put(skb, IEEE80211_GCMP_MIC_LEN));
|
|
|
+-
|
|
|
+- return 0;
|
|
|
+-}
|
|
|
+-
|
|
|
+-ieee80211_tx_result
|
|
|
+-ieee80211_crypto_gcmp_encrypt(struct ieee80211_tx_data *tx)
|
|
|
+-{
|
|
|
+- struct sk_buff *skb;
|
|
|
+-
|
|
|
+- ieee80211_tx_set_protected(tx);
|
|
|
+-
|
|
|
+- skb_queue_walk(&tx->skbs, skb) {
|
|
|
+- if (gcmp_encrypt_skb(tx, skb) < 0)
|
|
|
+- return TX_DROP;
|
|
|
+- }
|
|
|
+-
|
|
|
+- return TX_CONTINUE;
|
|
|
+-}
|
|
|
+-
|
|
|
+-ieee80211_rx_result
|
|
|
+-ieee80211_crypto_gcmp_decrypt(struct ieee80211_rx_data *rx)
|
|
|
+-{
|
|
|
+- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
|
|
|
+- int hdrlen;
|
|
|
+- struct ieee80211_key *key = rx->key;
|
|
|
+- struct sk_buff *skb = rx->skb;
|
|
|
+- struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
|
|
|
+- u8 pn[IEEE80211_GCMP_PN_LEN];
|
|
|
+- int data_len;
|
|
|
+- int queue;
|
|
|
+-
|
|
|
+- hdrlen = ieee80211_hdrlen(hdr->frame_control);
|
|
|
+-
|
|
|
+- if (!ieee80211_is_data(hdr->frame_control) &&
|
|
|
+- !ieee80211_is_robust_mgmt_frame(skb))
|
|
|
+- return RX_CONTINUE;
|
|
|
+-
|
|
|
+- data_len = skb->len - hdrlen - IEEE80211_GCMP_HDR_LEN -
|
|
|
+- IEEE80211_GCMP_MIC_LEN;
|
|
|
+- if (!rx->sta || data_len < 0)
|
|
|
+- return RX_DROP_UNUSABLE;
|
|
|
+-
|
|
|
+- if (status->flag & RX_FLAG_DECRYPTED) {
|
|
|
+- if (!pskb_may_pull(rx->skb, hdrlen + IEEE80211_GCMP_HDR_LEN))
|
|
|
+- return RX_DROP_UNUSABLE;
|
|
|
+- } else {
|
|
|
+- if (skb_linearize(rx->skb))
|
|
|
+- return RX_DROP_UNUSABLE;
|
|
|
+- }
|
|
|
+-
|
|
|
+- gcmp_hdr2pn(pn, skb->data + hdrlen);
|
|
|
+-
|
|
|
+- queue = rx->security_idx;
|
|
|
+-
|
|
|
+- if (memcmp(pn, key->u.gcmp.rx_pn[queue], IEEE80211_GCMP_PN_LEN) <= 0) {
|
|
|
+- key->u.gcmp.replays++;
|
|
|
+- return RX_DROP_UNUSABLE;
|
|
|
+- }
|
|
|
+-
|
|
|
+- if (!(status->flag & RX_FLAG_DECRYPTED)) {
|
|
|
+- u8 aad[2 * AES_BLOCK_SIZE];
|
|
|
+- u8 j_0[AES_BLOCK_SIZE];
|
|
|
+- /* hardware didn't decrypt/verify MIC */
|
|
|
+- gcmp_special_blocks(skb, pn, j_0, aad);
|
|
|
+-
|
|
|
+- if (ieee80211_aes_gcm_decrypt(
|
|
|
+- key->u.gcmp.tfm, j_0, aad,
|
|
|
+- skb->data + hdrlen + IEEE80211_GCMP_HDR_LEN,
|
|
|
+- data_len,
|
|
|
+- skb->data + skb->len - IEEE80211_GCMP_MIC_LEN))
|
|
|
+- return RX_DROP_UNUSABLE;
|
|
|
+- }
|
|
|
+-
|
|
|
+- memcpy(key->u.gcmp.rx_pn[queue], pn, IEEE80211_GCMP_PN_LEN);
|
|
|
+-
|
|
|
+- /* Remove GCMP header and MIC */
|
|
|
+- if (pskb_trim(skb, skb->len - IEEE80211_GCMP_MIC_LEN))
|
|
|
+- return RX_DROP_UNUSABLE;
|
|
|
+- memmove(skb->data + IEEE80211_GCMP_HDR_LEN, skb->data, hdrlen);
|
|
|
+- skb_pull(skb, IEEE80211_GCMP_HDR_LEN);
|
|
|
+-
|
|
|
+- return RX_CONTINUE;
|
|
|
+-}
|
|
|
+-
|
|
|
+ static ieee80211_tx_result
|
|
|
+ ieee80211_crypto_cs_encrypt(struct ieee80211_tx_data *tx,
|
|
|
+ struct sk_buff *skb)
|
|
|
+@@ -956,48 +734,6 @@ ieee80211_crypto_aes_cmac_encrypt(struct
|
|
|
+ return TX_CONTINUE;
|
|
|
+ }
|
|
|
+
|
|
|
+-ieee80211_tx_result
|
|
|
+-ieee80211_crypto_aes_cmac_256_encrypt(struct ieee80211_tx_data *tx)
|
|
|
+-{
|
|
|
+- struct sk_buff *skb;
|
|
|
+- struct ieee80211_tx_info *info;
|
|
|
+- struct ieee80211_key *key = tx->key;
|
|
|
+- struct ieee80211_mmie_16 *mmie;
|
|
|
+- u8 aad[20];
|
|
|
+- u64 pn64;
|
|
|
+-
|
|
|
+- if (WARN_ON(skb_queue_len(&tx->skbs) != 1))
|
|
|
+- return TX_DROP;
|
|
|
+-
|
|
|
+- skb = skb_peek(&tx->skbs);
|
|
|
+-
|
|
|
+- info = IEEE80211_SKB_CB(skb);
|
|
|
+-
|
|
|
+- if (info->control.hw_key)
|
|
|
+- return TX_CONTINUE;
|
|
|
+-
|
|
|
+- if (WARN_ON(skb_tailroom(skb) < sizeof(*mmie)))
|
|
|
+- return TX_DROP;
|
|
|
+-
|
|
|
+- mmie = (struct ieee80211_mmie_16 *)skb_put(skb, sizeof(*mmie));
|
|
|
+- mmie->element_id = WLAN_EID_MMIE;
|
|
|
+- mmie->length = sizeof(*mmie) - 2;
|
|
|
+- mmie->key_id = cpu_to_le16(key->conf.keyidx);
|
|
|
+-
|
|
|
+- /* PN = PN + 1 */
|
|
|
+- pn64 = atomic64_inc_return(&key->u.aes_cmac.tx_pn);
|
|
|
+-
|
|
|
+- bip_ipn_set64(mmie->sequence_number, pn64);
|
|
|
+-
|
|
|
+- bip_aad(skb, aad);
|
|
|
+-
|
|
|
+- /* MIC = AES-256-CMAC(IGTK, AAD || Management Frame Body || MMIE, 128)
|
|
|
+- */
|
|
|
+- ieee80211_aes_cmac_256(key->u.aes_cmac.tfm, aad,
|
|
|
+- skb->data + 24, skb->len - 24, mmie->mic);
|
|
|
+-
|
|
|
+- return TX_CONTINUE;
|
|
|
+-}
|
|
|
+
|
|
|
+ ieee80211_rx_result
|
|
|
+ ieee80211_crypto_aes_cmac_decrypt(struct ieee80211_rx_data *rx)
|
|
|
+@@ -1045,160 +781,6 @@ ieee80211_crypto_aes_cmac_decrypt(struct
|
|
|
+
|
|
|
+ /* Remove MMIE */
|
|
|
+ skb_trim(skb, skb->len - sizeof(*mmie));
|
|
|
+-
|
|
|
+- return RX_CONTINUE;
|
|
|
+-}
|
|
|
+-
|
|
|
+-ieee80211_rx_result
|
|
|
+-ieee80211_crypto_aes_cmac_256_decrypt(struct ieee80211_rx_data *rx)
|
|
|
+-{
|
|
|
+- struct sk_buff *skb = rx->skb;
|
|
|
+- struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
|
|
|
+- struct ieee80211_key *key = rx->key;
|
|
|
+- struct ieee80211_mmie_16 *mmie;
|
|
|
+- u8 aad[20], mic[16], ipn[6];
|
|
|
+- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
|
|
|
+-
|
|
|
+- if (!ieee80211_is_mgmt(hdr->frame_control))
|
|
|
+- return RX_CONTINUE;
|
|
|
+-
|
|
|
+- /* management frames are already linear */
|
|
|
+-
|
|
|
+- if (skb->len < 24 + sizeof(*mmie))
|
|
|
+- return RX_DROP_UNUSABLE;
|
|
|
+-
|
|
|
+- mmie = (struct ieee80211_mmie_16 *)
|
|
|
+- (skb->data + skb->len - sizeof(*mmie));
|
|
|
+- if (mmie->element_id != WLAN_EID_MMIE ||
|
|
|
+- mmie->length != sizeof(*mmie) - 2)
|
|
|
+- return RX_DROP_UNUSABLE; /* Invalid MMIE */
|
|
|
+-
|
|
|
+- bip_ipn_swap(ipn, mmie->sequence_number);
|
|
|
+-
|
|
|
+- if (memcmp(ipn, key->u.aes_cmac.rx_pn, 6) <= 0) {
|
|
|
+- key->u.aes_cmac.replays++;
|
|
|
+- return RX_DROP_UNUSABLE;
|
|
|
+- }
|
|
|
+-
|
|
|
+- if (!(status->flag & RX_FLAG_DECRYPTED)) {
|
|
|
+- /* hardware didn't decrypt/verify MIC */
|
|
|
+- bip_aad(skb, aad);
|
|
|
+- ieee80211_aes_cmac_256(key->u.aes_cmac.tfm, aad,
|
|
|
+- skb->data + 24, skb->len - 24, mic);
|
|
|
+- if (memcmp(mic, mmie->mic, sizeof(mmie->mic)) != 0) {
|
|
|
+- key->u.aes_cmac.icverrors++;
|
|
|
+- return RX_DROP_UNUSABLE;
|
|
|
+- }
|
|
|
+- }
|
|
|
+-
|
|
|
+- memcpy(key->u.aes_cmac.rx_pn, ipn, 6);
|
|
|
+-
|
|
|
+- /* Remove MMIE */
|
|
|
+- skb_trim(skb, skb->len - sizeof(*mmie));
|
|
|
+-
|
|
|
+- return RX_CONTINUE;
|
|
|
+-}
|
|
|
+-
|
|
|
+-ieee80211_tx_result
|
|
|
+-ieee80211_crypto_aes_gmac_encrypt(struct ieee80211_tx_data *tx)
|
|
|
+-{
|
|
|
+- struct sk_buff *skb;
|
|
|
+- struct ieee80211_tx_info *info;
|
|
|
+- struct ieee80211_key *key = tx->key;
|
|
|
+- struct ieee80211_mmie_16 *mmie;
|
|
|
+- struct ieee80211_hdr *hdr;
|
|
|
+- u8 aad[20];
|
|
|
+- u64 pn64;
|
|
|
+- u8 nonce[12];
|
|
|
+-
|
|
|
+- if (WARN_ON(skb_queue_len(&tx->skbs) != 1))
|
|
|
+- return TX_DROP;
|
|
|
+-
|
|
|
+- skb = skb_peek(&tx->skbs);
|
|
|
+-
|
|
|
+- info = IEEE80211_SKB_CB(skb);
|
|
|
+-
|
|
|
+- if (info->control.hw_key)
|
|
|
+- return TX_CONTINUE;
|
|
|
+-
|
|
|
+- if (WARN_ON(skb_tailroom(skb) < sizeof(*mmie)))
|
|
|
+- return TX_DROP;
|
|
|
+-
|
|
|
+- mmie = (struct ieee80211_mmie_16 *)skb_put(skb, sizeof(*mmie));
|
|
|
+- mmie->element_id = WLAN_EID_MMIE;
|
|
|
+- mmie->length = sizeof(*mmie) - 2;
|
|
|
+- mmie->key_id = cpu_to_le16(key->conf.keyidx);
|
|
|
+-
|
|
|
+- /* PN = PN + 1 */
|
|
|
+- pn64 = atomic64_inc_return(&key->u.aes_gmac.tx_pn);
|
|
|
+-
|
|
|
+- bip_ipn_set64(mmie->sequence_number, pn64);
|
|
|
+-
|
|
|
+- bip_aad(skb, aad);
|
|
|
+-
|
|
|
+- hdr = (struct ieee80211_hdr *)skb->data;
|
|
|
+- memcpy(nonce, hdr->addr2, ETH_ALEN);
|
|
|
+- bip_ipn_swap(nonce + ETH_ALEN, mmie->sequence_number);
|
|
|
+-
|
|
|
+- /* MIC = AES-GMAC(IGTK, AAD || Management Frame Body || MMIE, 128) */
|
|
|
+- if (ieee80211_aes_gmac(key->u.aes_gmac.tfm, aad, nonce,
|
|
|
+- skb->data + 24, skb->len - 24, mmie->mic) < 0)
|
|
|
+- return TX_DROP;
|
|
|
+-
|
|
|
+- return TX_CONTINUE;
|
|
|
+-}
|
|
|
+-
|
|
|
+-ieee80211_rx_result
|
|
|
+-ieee80211_crypto_aes_gmac_decrypt(struct ieee80211_rx_data *rx)
|
|
|
+-{
|
|
|
+- struct sk_buff *skb = rx->skb;
|
|
|
+- struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
|
|
|
+- struct ieee80211_key *key = rx->key;
|
|
|
+- struct ieee80211_mmie_16 *mmie;
|
|
|
+- u8 aad[20], mic[16], ipn[6], nonce[12];
|
|
|
+- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
|
|
|
+-
|
|
|
+- if (!ieee80211_is_mgmt(hdr->frame_control))
|
|
|
+- return RX_CONTINUE;
|
|
|
+-
|
|
|
+- /* management frames are already linear */
|
|
|
+-
|
|
|
+- if (skb->len < 24 + sizeof(*mmie))
|
|
|
+- return RX_DROP_UNUSABLE;
|
|
|
+-
|
|
|
+- mmie = (struct ieee80211_mmie_16 *)
|
|
|
+- (skb->data + skb->len - sizeof(*mmie));
|
|
|
+- if (mmie->element_id != WLAN_EID_MMIE ||
|
|
|
+- mmie->length != sizeof(*mmie) - 2)
|
|
|
+- return RX_DROP_UNUSABLE; /* Invalid MMIE */
|
|
|
+-
|
|
|
+- bip_ipn_swap(ipn, mmie->sequence_number);
|
|
|
+-
|
|
|
+- if (memcmp(ipn, key->u.aes_gmac.rx_pn, 6) <= 0) {
|
|
|
+- key->u.aes_gmac.replays++;
|
|
|
+- return RX_DROP_UNUSABLE;
|
|
|
+- }
|
|
|
+-
|
|
|
+- if (!(status->flag & RX_FLAG_DECRYPTED)) {
|
|
|
+- /* hardware didn't decrypt/verify MIC */
|
|
|
+- bip_aad(skb, aad);
|
|
|
+-
|
|
|
+- memcpy(nonce, hdr->addr2, ETH_ALEN);
|
|
|
+- memcpy(nonce + ETH_ALEN, ipn, 6);
|
|
|
+-
|
|
|
+- if (ieee80211_aes_gmac(key->u.aes_gmac.tfm, aad, nonce,
|
|
|
+- skb->data + 24, skb->len - 24,
|
|
|
+- mic) < 0 ||
|
|
|
+- memcmp(mic, mmie->mic, sizeof(mmie->mic)) != 0) {
|
|
|
+- key->u.aes_gmac.icverrors++;
|
|
|
+- return RX_DROP_UNUSABLE;
|
|
|
+- }
|
|
|
+- }
|
|
|
+-
|
|
|
+- memcpy(key->u.aes_gmac.rx_pn, ipn, 6);
|
|
|
+-
|
|
|
+- /* Remove MMIE */
|
|
|
+- skb_trim(skb, skb->len - sizeof(*mmie));
|
|
|
+
|
|
|
+ return RX_CONTINUE;
|
|
|
+ }
|
|
|
+--- a/net/mac80211/wpa.h
|
|
|
++++ b/net/mac80211/wpa.h
|
|
|
+@@ -24,32 +24,17 @@ ieee80211_rx_result
|
|
|
+ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx);
|
|
|
+
|
|
|
+ ieee80211_tx_result
|
|
|
+-ieee80211_crypto_ccmp_encrypt(struct ieee80211_tx_data *tx,
|
|
|
+- unsigned int mic_len);
|
|
|
++ieee80211_crypto_ccmp_encrypt(struct ieee80211_tx_data *tx);
|
|
|
+ ieee80211_rx_result
|
|
|
+-ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx,
|
|
|
+- unsigned int mic_len);
|
|
|
++ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx);
|
|
|
+
|
|
|
+ ieee80211_tx_result
|
|
|
+ ieee80211_crypto_aes_cmac_encrypt(struct ieee80211_tx_data *tx);
|
|
|
+-ieee80211_tx_result
|
|
|
+-ieee80211_crypto_aes_cmac_256_encrypt(struct ieee80211_tx_data *tx);
|
|
|
+ ieee80211_rx_result
|
|
|
+ ieee80211_crypto_aes_cmac_decrypt(struct ieee80211_rx_data *rx);
|
|
|
+-ieee80211_rx_result
|
|
|
+-ieee80211_crypto_aes_cmac_256_decrypt(struct ieee80211_rx_data *rx);
|
|
|
+-ieee80211_tx_result
|
|
|
+-ieee80211_crypto_aes_gmac_encrypt(struct ieee80211_tx_data *tx);
|
|
|
+-ieee80211_rx_result
|
|
|
+-ieee80211_crypto_aes_gmac_decrypt(struct ieee80211_rx_data *rx);
|
|
|
+ ieee80211_tx_result
|
|
|
+ ieee80211_crypto_hw_encrypt(struct ieee80211_tx_data *tx);
|
|
|
+ ieee80211_rx_result
|
|
|
+ ieee80211_crypto_hw_decrypt(struct ieee80211_rx_data *rx);
|
|
|
+
|
|
|
+-ieee80211_tx_result
|
|
|
+-ieee80211_crypto_gcmp_encrypt(struct ieee80211_tx_data *tx);
|
|
|
+-ieee80211_rx_result
|
|
|
+-ieee80211_crypto_gcmp_decrypt(struct ieee80211_rx_data *rx);
|
|
|
+-
|
|
|
+ #endif /* WPA_H */
|