+++ /dev/null
---- a/net/mac80211/Makefile
-+++ b/net/mac80211/Makefile
-@@ -6,7 +6,6 @@ mac80211-y := \
- driver-ops.o \
- sta_info.o \
- wep.o \
-- aead_api.o \
- wpa.o \
- scan.o offchannel.o \
- ht.o agg-tx.o agg-rx.o \
-@@ -16,8 +15,8 @@ mac80211-y := \
- rate.o \
- michael.o \
- tkip.o \
-+ aes_ccm.o \
- aes_cmac.o \
-- aes_gmac.o \
- fils_aead.o \
- cfg.o \
- ethtool.o \
---- a/net/mac80211/aead_api.c
-+++ /dev/null
-@@ -1,115 +0,0 @@
--/*
-- * Copyright 2003-2004, Instant802 Networks, Inc.
-- * Copyright 2005-2006, Devicescape Software, Inc.
-- * Copyright 2014-2015, Qualcomm Atheros, Inc.
-- *
-- * Rewrite: Copyright (C) 2013 Linaro Ltd <ard.biesheuvel@linaro.org>
-- *
-- * 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/err.h>
--#include <linux/scatterlist.h>
--#include <crypto/aead.h>
--
--#include "aead_api.h"
--
--int aead_encrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad, size_t aad_len,
-- u8 *data, size_t data_len, u8 *mic)
--{
-- size_t mic_len = crypto_aead_authsize(tfm);
-- struct scatterlist sg[3];
-- struct aead_request *aead_req;
-- int reqsize = sizeof(*aead_req) + crypto_aead_reqsize(tfm);
-- u8 *__aad;
--
-- aead_req = kzalloc(reqsize + aad_len, GFP_ATOMIC);
-- if (!aead_req)
-- return -ENOMEM;
--
-- __aad = (u8 *)aead_req + reqsize;
-- memcpy(__aad, aad, aad_len);
--
-- sg_init_table(sg, 3);
-- sg_set_buf(&sg[0], __aad, aad_len);
-- sg_set_buf(&sg[1], data, data_len);
-- sg_set_buf(&sg[2], mic, mic_len);
--
-- aead_request_set_tfm(aead_req, tfm);
-- aead_request_set_crypt(aead_req, sg, sg, data_len, b_0);
-- aead_request_set_ad(aead_req, sg[0].length);
--
-- crypto_aead_encrypt(aead_req);
-- kzfree(aead_req);
--
-- return 0;
--}
--
--int aead_decrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad, size_t aad_len,
-- u8 *data, size_t data_len, u8 *mic)
--{
-- size_t mic_len = crypto_aead_authsize(tfm);
-- struct scatterlist sg[3];
-- struct aead_request *aead_req;
-- int reqsize = sizeof(*aead_req) + crypto_aead_reqsize(tfm);
-- u8 *__aad;
-- int err;
--
-- if (data_len == 0)
-- return -EINVAL;
--
-- aead_req = kzalloc(reqsize + aad_len, GFP_ATOMIC);
-- if (!aead_req)
-- return -ENOMEM;
--
-- __aad = (u8 *)aead_req + reqsize;
-- memcpy(__aad, aad, aad_len);
--
-- sg_init_table(sg, 3);
-- sg_set_buf(&sg[0], __aad, aad_len);
-- sg_set_buf(&sg[1], data, data_len);
-- sg_set_buf(&sg[2], mic, mic_len);
--
-- aead_request_set_tfm(aead_req, tfm);
-- aead_request_set_crypt(aead_req, sg, sg, data_len + mic_len, b_0);
-- aead_request_set_ad(aead_req, sg[0].length);
--
-- err = crypto_aead_decrypt(aead_req);
-- kzfree(aead_req);
--
-- return err;
--}
--
--struct crypto_aead *
--aead_key_setup_encrypt(const char *alg, const u8 key[],
-- size_t key_len, size_t mic_len)
--{
-- struct crypto_aead *tfm;
-- int err;
--
-- tfm = crypto_alloc_aead(alg, 0, CRYPTO_ALG_ASYNC);
-- if (IS_ERR(tfm))
-- return tfm;
--
-- err = crypto_aead_setkey(tfm, key, key_len);
-- if (err)
-- goto free_aead;
-- err = crypto_aead_setauthsize(tfm, mic_len);
-- if (err)
-- goto free_aead;
--
-- return tfm;
--
--free_aead:
-- crypto_free_aead(tfm);
-- return ERR_PTR(err);
--}
--
--void aead_key_free(struct crypto_aead *tfm)
--{
-- crypto_free_aead(tfm);
--}
---- a/net/mac80211/aead_api.h
-+++ /dev/null
-@@ -1,27 +0,0 @@
--/*
-- * 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 _AEAD_API_H
--#define _AEAD_API_H
--
--#include <crypto/aead.h>
--#include <linux/crypto.h>
--
--struct crypto_aead *
--aead_key_setup_encrypt(const char *alg, const u8 key[],
-- size_t key_len, size_t mic_len);
--
--int aead_encrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
-- size_t aad_len, u8 *data,
-- size_t data_len, u8 *mic);
--
--int aead_decrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
-- size_t aad_len, u8 *data,
-- size_t data_len, u8 *mic);
--
--void aead_key_free(struct crypto_aead *tfm);
--
--#endif /* _AEAD_API_H */
---- a/net/mac80211/aes_ccm.h
-+++ b/net/mac80211/aes_ccm.h
-@@ -10,39 +10,17 @@
- #ifndef AES_CCM_H
- #define AES_CCM_H
-
--#include "aead_api.h"
-+#include <linux/crypto.h>
-
--#define CCM_AAD_LEN 32
--
--static inline struct crypto_aead *
--ieee80211_aes_key_setup_encrypt(const u8 key[], size_t key_len, size_t mic_len)
--{
-- return aead_key_setup_encrypt("ccm(aes)", key, key_len, mic_len);
--}
--
--static inline int
--ieee80211_aes_ccm_encrypt(struct crypto_aead *tfm,
-- u8 *b_0, u8 *aad, u8 *data,
-- size_t data_len, u8 *mic)
--{
-- return aead_encrypt(tfm, b_0, aad + 2,
-- be16_to_cpup((__be16 *)aad),
-- data, data_len, mic);
--}
--
--static inline int
--ieee80211_aes_ccm_decrypt(struct crypto_aead *tfm,
-- u8 *b_0, u8 *aad, u8 *data,
-- size_t data_len, u8 *mic)
--{
-- return aead_decrypt(tfm, b_0, aad + 2,
-- be16_to_cpup((__be16 *)aad),
-- data, data_len, mic);
--}
--
--static inline void ieee80211_aes_key_free(struct crypto_aead *tfm)
--{
-- return aead_key_free(tfm);
--}
-+struct crypto_cipher *ieee80211_aes_key_setup_encrypt(const u8 key[],
-+ size_t key_len,
-+ size_t mic_len);
-+void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *b_0, u8 *aad,
-+ u8 *data, size_t data_len, u8 *mic,
-+ size_t mic_len);
-+int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *b_0, u8 *aad,
-+ u8 *data, size_t data_len, u8 *mic,
-+ size_t mic_len);
-+void ieee80211_aes_key_free(struct crypto_cipher *tfm);
-
- #endif /* AES_CCM_H */
---- /dev/null
-+++ b/net/mac80211/aes_gcm.c
-@@ -0,0 +1,109 @@
-+/*
-+ * 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/err.h>
-+#include <crypto/aead.h>
-+
-+#include <net/mac80211.h>
-+#include "key.h"
-+#include "aes_gcm.h"
-+
-+int ieee80211_aes_gcm_encrypt(struct crypto_aead *tfm, u8 *j_0, u8 *aad,
-+ u8 *data, size_t data_len, u8 *mic)
-+{
-+ struct scatterlist sg[3];
-+ struct aead_request *aead_req;
-+ int reqsize = sizeof(*aead_req) + crypto_aead_reqsize(tfm);
-+ u8 *__aad;
-+
-+ aead_req = kzalloc(reqsize + GCM_AAD_LEN, GFP_ATOMIC);
-+ if (!aead_req)
-+ return -ENOMEM;
-+
-+ __aad = (u8 *)aead_req + reqsize;
-+ memcpy(__aad, aad, GCM_AAD_LEN);
-+
-+ sg_init_table(sg, 3);
-+ sg_set_buf(&sg[0], &__aad[2], be16_to_cpup((__be16 *)__aad));
-+ sg_set_buf(&sg[1], data, data_len);
-+ sg_set_buf(&sg[2], mic, IEEE80211_GCMP_MIC_LEN);
-+
-+ aead_request_set_tfm(aead_req, tfm);
-+ aead_request_set_crypt(aead_req, sg, sg, data_len, j_0);
-+ aead_request_set_ad(aead_req, sg[0].length);
-+
-+ crypto_aead_encrypt(aead_req);
-+ kzfree(aead_req);
-+ return 0;
-+}
-+
-+int ieee80211_aes_gcm_decrypt(struct crypto_aead *tfm, u8 *j_0, u8 *aad,
-+ u8 *data, size_t data_len, u8 *mic)
-+{
-+ struct scatterlist sg[3];
-+ struct aead_request *aead_req;
-+ int reqsize = sizeof(*aead_req) + crypto_aead_reqsize(tfm);
-+ u8 *__aad;
-+ int err;
-+
-+ if (data_len == 0)
-+ return -EINVAL;
-+
-+ aead_req = kzalloc(reqsize + GCM_AAD_LEN, GFP_ATOMIC);
-+ if (!aead_req)
-+ return -ENOMEM;
-+
-+ __aad = (u8 *)aead_req + reqsize;
-+ memcpy(__aad, aad, GCM_AAD_LEN);
-+
-+ sg_init_table(sg, 3);
-+ sg_set_buf(&sg[0], &__aad[2], be16_to_cpup((__be16 *)__aad));
-+ sg_set_buf(&sg[1], data, data_len);
-+ sg_set_buf(&sg[2], mic, IEEE80211_GCMP_MIC_LEN);
-+
-+ aead_request_set_tfm(aead_req, tfm);
-+ aead_request_set_crypt(aead_req, sg, sg,
-+ data_len + IEEE80211_GCMP_MIC_LEN, j_0);
-+ aead_request_set_ad(aead_req, sg[0].length);
-+
-+ err = crypto_aead_decrypt(aead_req);
-+ kzfree(aead_req);
-+
-+ return err;
-+}
-+
-+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)
-+ goto free_aead;
-+ err = crypto_aead_setauthsize(tfm, IEEE80211_GCMP_MIC_LEN);
-+ if (err)
-+ goto free_aead;
-+
-+ return tfm;
-+
-+free_aead:
-+ 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
-+++ b/net/mac80211/aes_gcm.h
-@@ -9,38 +9,30 @@
- #ifndef AES_GCM_H
- #define AES_GCM_H
-
--#include "aead_api.h"
-+#include <linux/crypto.h>
-
--#define GCM_AAD_LEN 32
--
--static inline int ieee80211_aes_gcm_encrypt(struct crypto_aead *tfm,
-- u8 *j_0, u8 *aad, u8 *data,
-- size_t data_len, u8 *mic)
-+static inline void
-+ieee80211_aes_gcm_encrypt(struct crypto_aead *tfm, u8 *j_0, u8 *aad,
-+ u8 *data, size_t data_len, u8 *mic)
- {
-- return aead_encrypt(tfm, j_0, aad + 2,
-- be16_to_cpup((__be16 *)aad),
-- data, data_len, mic);
- }
-
--static inline int ieee80211_aes_gcm_decrypt(struct crypto_aead *tfm,
-- u8 *j_0, u8 *aad, u8 *data,
-- size_t data_len, u8 *mic)
-+static inline int
-+ieee80211_aes_gcm_decrypt(struct crypto_aead *tfm, u8 *j_0, u8 *aad,
-+ u8 *data, size_t data_len, u8 *mic)
- {
-- return aead_decrypt(tfm, j_0, aad + 2,
-- be16_to_cpup((__be16 *)aad),
-- data, data_len, mic);
-+ return -EOPNOTSUPP;
- }
-
- static inline struct crypto_aead *
- ieee80211_aes_gcm_key_setup_encrypt(const u8 key[], size_t key_len)
- {
-- return aead_key_setup_encrypt("gcm(aes)", key,
-- key_len, IEEE80211_GCMP_MIC_LEN);
-+ return NULL;
- }
-
--static inline void ieee80211_aes_gcm_key_free(struct crypto_aead *tfm)
-+static inline void
-+ieee80211_aes_gcm_key_free(struct crypto_aead *tfm)
- {
-- return aead_key_free(tfm);
- }
-
- #endif /* AES_GCM_H */
---- a/net/mac80211/wpa.c
-+++ b/net/mac80211/wpa.c
-@@ -306,7 +306,8 @@ 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 *b_0, u8 *aad,
-+ u16 data_len)
- {
- __le16 mask_fc;
- int a4_included, mgmt;
-@@ -336,14 +337,8 @@ 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;
-+ /* 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)
-@@ -351,6 +346,8 @@ static void ccmp_special_blocks(struct s
- 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] */
-@@ -407,7 +404,7 @@ static int ccmp_encrypt_skb(struct ieee8
- u8 *pos;
- u8 pn[6];
- u64 pn64;
-- u8 aad[CCM_AAD_LEN];
-+ u8 aad[2 * AES_BLOCK_SIZE];
- u8 b_0[AES_BLOCK_SIZE];
-
- if (info->control.hw_key &&
-@@ -462,9 +459,11 @@ static int ccmp_encrypt_skb(struct ieee8
- return 0;
-
- pos += IEEE80211_CCMP_HDR_LEN;
-- ccmp_special_blocks(skb, pn, b_0, aad);
-- return ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, b_0, aad, pos, len,
-- skb_put(skb, mic_len));
-+ ccmp_special_blocks(skb, pn, b_0, aad, len);
-+ ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, b_0, aad, pos, len,
-+ skb_put(skb, mic_len), mic_len);
-+
-+ return 0;
- }
-
-
-@@ -537,13 +536,13 @@ ieee80211_crypto_ccmp_decrypt(struct iee
- u8 aad[2 * AES_BLOCK_SIZE];
- u8 b_0[AES_BLOCK_SIZE];
- /* hardware didn't decrypt/verify MIC */
-- ccmp_special_blocks(skb, pn, b_0, aad);
-+ ccmp_special_blocks(skb, pn, b_0, aad, data_len);
-
- if (ieee80211_aes_ccm_decrypt(
- key->u.ccmp.tfm, b_0, aad,
- skb->data + hdrlen + IEEE80211_CCMP_HDR_LEN,
- data_len,
-- skb->data + skb->len - mic_len))
-+ skb->data + skb->len - mic_len, mic_len))
- return RX_DROP_UNUSABLE;
- }
-
-@@ -639,7 +638,7 @@ static int gcmp_encrypt_skb(struct ieee8
- u8 *pos;
- u8 pn[6];
- u64 pn64;
-- u8 aad[GCM_AAD_LEN];
-+ u8 aad[2 * AES_BLOCK_SIZE];
- u8 j_0[AES_BLOCK_SIZE];
-
- if (info->control.hw_key &&
-@@ -696,8 +695,10 @@ static int gcmp_encrypt_skb(struct ieee8
-
- pos += IEEE80211_GCMP_HDR_LEN;
- gcmp_special_blocks(skb, pn, j_0, aad);
-- return ieee80211_aes_gcm_encrypt(key->u.gcmp.tfm, j_0, aad, pos, len,
-- skb_put(skb, IEEE80211_GCMP_MIC_LEN));
-+ 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
-@@ -1121,9 +1122,9 @@ ieee80211_crypto_aes_gmac_encrypt(struct
- struct ieee80211_key *key = tx->key;
- struct ieee80211_mmie_16 *mmie;
- struct ieee80211_hdr *hdr;
-- u8 aad[GMAC_AAD_LEN];
-+ u8 aad[20];
- u64 pn64;
-- u8 nonce[GMAC_NONCE_LEN];
-+ u8 nonce[12];
-
- if (WARN_ON(skb_queue_len(&tx->skbs) != 1))
- return TX_DROP;
-@@ -1169,7 +1170,7 @@ ieee80211_crypto_aes_gmac_decrypt(struct
- struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
- struct ieee80211_key *key = rx->key;
- struct ieee80211_mmie_16 *mmie;
-- u8 aad[GMAC_AAD_LEN], mic[GMAC_MIC_LEN], ipn[6], nonce[GMAC_NONCE_LEN];
-+ 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))
---- /dev/null
-+++ b/net/mac80211/aes_ccm.c
-@@ -0,0 +1,144 @@
-+/*
-+ * Copyright 2003-2004, Instant802 Networks, Inc.
-+ * Copyright 2005-2006, Devicescape Software, Inc.
-+ *
-+ * Rewrite: Copyright (C) 2013 Linaro Ltd <ard.biesheuvel@linaro.org>
-+ *
-+ * 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/err.h>
-+#include <crypto/aead.h>
-+#include <crypto/aes.h>
-+
-+#include <net/mac80211.h>
-+#include "key.h"
-+#include "aes_ccm.h"
-+
-+static void aes_ccm_prepare(struct crypto_cipher *tfm, u8 *b_0, u8 *aad, u8 *s_0,
-+ u8 *a, u8 *b)
-+{
-+ int i;
-+
-+ crypto_cipher_encrypt_one(tfm, b, b_0);
-+
-+ /* Extra Authenticate-only data (always two AES blocks) */
-+ for (i = 0; i < AES_BLOCK_SIZE; i++)
-+ aad[i] ^= b[i];
-+ crypto_cipher_encrypt_one(tfm, b, aad);
-+
-+ aad += AES_BLOCK_SIZE;
-+
-+ for (i = 0; i < AES_BLOCK_SIZE; i++)
-+ aad[i] ^= b[i];
-+ crypto_cipher_encrypt_one(tfm, a, aad);
-+
-+ /* Mask out bits from auth-only-b_0 */
-+ b_0[0] &= 0x07;
-+
-+ /* S_0 is used to encrypt T (= MIC) */
-+ b_0[14] = 0;
-+ b_0[15] = 0;
-+ crypto_cipher_encrypt_one(tfm, s_0, b_0);
-+}
-+
-+
-+void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *b_0, u8 *aad,
-+ u8 *data, size_t data_len, u8 *mic,
-+ size_t mic_len)
-+{
-+ int i, j, last_len, num_blocks;
-+ u8 b[AES_BLOCK_SIZE];
-+ u8 s_0[AES_BLOCK_SIZE];
-+ u8 e[AES_BLOCK_SIZE];
-+ u8 *pos, *cpos;
-+
-+ num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_SIZE);
-+ last_len = data_len % AES_BLOCK_SIZE;
-+ aes_ccm_prepare(tfm, b_0, aad, s_0, b, b);
-+
-+ /* Process payload blocks */
-+ pos = data;
-+ cpos = data;
-+ for (j = 1; j <= num_blocks; j++) {
-+ int blen = (j == num_blocks && last_len) ?
-+ last_len : AES_BLOCK_SIZE;
-+
-+ /* Authentication followed by encryption */
-+ for (i = 0; i < blen; i++)
-+ b[i] ^= pos[i];
-+ crypto_cipher_encrypt_one(tfm, b, b);
-+
-+ b_0[14] = (j >> 8) & 0xff;
-+ b_0[15] = j & 0xff;
-+ crypto_cipher_encrypt_one(tfm, e, b_0);
-+ for (i = 0; i < blen; i++)
-+ *cpos++ = *pos++ ^ e[i];
-+ }
-+
-+ for (i = 0; i < mic_len; i++)
-+ mic[i] = b[i] ^ s_0[i];
-+}
-+
-+int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *b_0, u8 *aad,
-+ u8 *data, size_t data_len, u8 *mic,
-+ size_t mic_len)
-+{
-+ int i, j, last_len, num_blocks;
-+ u8 *pos, *cpos;
-+ u8 a[AES_BLOCK_SIZE];
-+ u8 b[AES_BLOCK_SIZE];
-+ u8 s_0[AES_BLOCK_SIZE];
-+
-+ num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_SIZE);
-+ last_len = data_len % AES_BLOCK_SIZE;
-+ aes_ccm_prepare(tfm, b_0, aad, s_0, a, b);
-+
-+ /* Process payload blocks */
-+ cpos = data;
-+ pos = data;
-+ for (j = 1; j <= num_blocks; j++) {
-+ int blen = (j == num_blocks && last_len) ?
-+ last_len : AES_BLOCK_SIZE;
-+
-+ /* Decryption followed by authentication */
-+ b_0[14] = (j >> 8) & 0xff;
-+ b_0[15] = j & 0xff;
-+ crypto_cipher_encrypt_one(tfm, b, b_0);
-+ for (i = 0; i < blen; i++) {
-+ *pos = *cpos++ ^ b[i];
-+ a[i] ^= *pos++;
-+ }
-+ crypto_cipher_encrypt_one(tfm, a, a);
-+ }
-+
-+ for (i = 0; i < mic_len; i++) {
-+ if ((mic[i] ^ s_0[i]) != a[i])
-+ return -1;
-+ }
-+
-+ return 0;
-+}
-+
-+struct crypto_cipher *ieee80211_aes_key_setup_encrypt(const u8 key[],
-+ size_t key_len,
-+ size_t mic_len)
-+{
-+ struct crypto_cipher *tfm;
-+
-+ tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
-+ if (!IS_ERR(tfm))
-+ crypto_cipher_setkey(tfm, key, key_len);
-+
-+ return tfm;
-+}
-+
-+
-+void ieee80211_aes_key_free(struct crypto_cipher *tfm)
-+{
-+ crypto_free_cipher(tfm);
-+}
---- a/net/mac80211/Kconfig
-+++ b/net/mac80211/Kconfig
-@@ -5,8 +5,6 @@ config MAC80211
- depends on CRYPTO
- depends on CRYPTO_ARC4
- depends on CRYPTO_AES
-- depends on CRYPTO_CCM
-- depends on CRYPTO_GCM
- depends on CRYPTO_CMAC
- depends on CRC32
- ---help---
---- a/net/mac80211/aes_gmac.h
-+++ b/net/mac80211/aes_gmac.h
-@@ -15,10 +15,22 @@
- #define GMAC_MIC_LEN 16
- #define GMAC_NONCE_LEN 12
-
--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);
-+static inline struct crypto_aead *
-+ieee80211_aes_gmac_key_setup(const u8 key[], size_t key_len)
-+{
-+ return NULL;
-+}
-+
-+static inline int
-+ieee80211_aes_gmac(struct crypto_aead *tfm, const u8 *aad, u8 *nonce,
-+ const u8 *data, size_t data_len, u8 *mic)
-+{
-+ return -EOPNOTSUPP;
-+}
-+
-+static inline void
-+ieee80211_aes_gmac_key_free(struct crypto_aead *tfm)
-+{
-+}
-
- #endif /* AES_GMAC_H */
---- a/net/mac80211/key.h
-+++ b/net/mac80211/key.h
-@@ -88,7 +88,7 @@ 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 {
projects / openwrt / openwrt.git / blobdiff