+--- 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
+- select BPAUTO_CRYPTO_CCM
+- depends on CRYPTO_GCM
+ depends on CRC32
+ ---help---
+ This option enables the hardware independent IEEE 802.11
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
-@@ -15,9 +15,7 @@ mac80211-y := \
+@@ -16,9 +16,7 @@ mac80211-y := \
michael.o \
tkip.o \
aes_ccm.o \
cfg.o \
ethtool.o \
rx.o \
---- a/net/mac80211/aes_gcm.h
-+++ b/net/mac80211/aes_gcm.h
-@@ -11,12 +11,28 @@
-
- #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);
-+static inline void
-+ieee80211_aes_gcm_encrypt(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 -EOPNOTSUPP;
-+}
-+
-+static inline struct crypto_aead *
-+ieee80211_aes_gcm_key_setup_encrypt(const u8 key[], size_t key_len)
-+{
-+ return NULL;
-+}
-+
-+static inline void
-+ieee80211_aes_gcm_key_free(struct crypto_aead *tfm)
-+{
-+}
-
- #endif /* AES_GCM_H */
---- a/net/mac80211/aes_gmac.h
-+++ b/net/mac80211/aes_gmac.h
-@@ -11,10 +11,22 @@
-
- #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);
-+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/aes_ccm.c
+++ b/net/mac80211/aes_ccm.c
-@@ -19,86 +19,126 @@
+@@ -13,89 +13,132 @@
+ #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"
u8 *data, size_t data_len, u8 *mic,
size_t mic_len)
{
-- struct scatterlist assoc, pt, ct[2];
+- struct scatterlist sg[3];
+ 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;
-+
+
+- 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;
+ 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);
-+
+
+- memset(aead_req, 0, sizeof(aead_req_data));
+ /* 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;
-+
+
+- 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, mic_len);
+ /* Authentication followed by encryption */
+ for (i = 0; i < blen; i++)
+ b[i] ^= pos[i];
+ crypto_cipher_encrypt_one(tfm, b, b);
-+
+
+- 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);
+ b_0[14] = (j >> 8) & 0xff;
+ b_0[15] = j & 0xff;
+ crypto_cipher_encrypt_one(tfm, e, b_0);
+ *cpos++ = *pos++ ^ e[i];
+ }
-- 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, 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, b_0);
--
- crypto_aead_encrypt(aead_req);
+ for (i = 0; i < mic_len; i++)
+ mic[i] = b[i] ^ s_0[i];
u8 *data, size_t data_len, u8 *mic,
size_t mic_len)
{
-- struct scatterlist assoc, pt, ct[2];
+- struct scatterlist sg[3];
- 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, 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 + mic_len, b_0);
+ 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];
-+
+
+- if (data_len == 0)
+- return -EINVAL;
+ 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);
-+
+
+- memset(aead_req, 0, sizeof(aead_req_data));
+ /* 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;
-+
+
+- 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, mic_len);
+ /* Decryption followed by authentication */
+ b_0[14] = (j >> 8) & 0xff;
+ b_0[15] = j & 0xff;
+ }
+ crypto_cipher_encrypt_one(tfm, a, a);
+ }
-+
+
+- 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);
+ for (i = 0; i < mic_len; i++) {
+ if ((mic[i] ^ s_0[i]) != a[i])
+ return -1;
{
- struct crypto_aead *tfm;
- int err;
-+ struct crypto_cipher *tfm;
-
+-
- tfm = crypto_alloc_aead("ccm(aes)", 0, CRYPTO_ALG_ASYNC);
- if (IS_ERR(tfm))
- return tfm;
--
++ struct crypto_cipher *tfm;
+
- err = crypto_aead_setkey(tfm, key, key_len);
- if (err)
- goto free_aead;
- crypto_free_aead(tfm);
+ crypto_free_cipher(tfm);
}
+--- a/net/mac80211/aes_ccm.h
++++ b/net/mac80211/aes_ccm.h
+@@ -12,15 +12,15 @@
+
+ #include <linux/crypto.h>
+
+-struct crypto_aead *ieee80211_aes_key_setup_encrypt(const u8 key[],
+- size_t key_len,
+- size_t mic_len);
+-void ieee80211_aes_ccm_encrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
++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_aead *tfm, u8 *b_0, u8 *aad,
++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_aead *tfm);
++void ieee80211_aes_key_free(struct crypto_cipher *tfm);
+
+ #endif /* AES_CCM_H */
+--- a/net/mac80211/aes_gcm.h
++++ b/net/mac80211/aes_gcm.h
+@@ -11,12 +11,28 @@
+
+ #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);
++static inline void
++ieee80211_aes_gcm_encrypt(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 -EOPNOTSUPP;
++}
++
++static inline struct crypto_aead *
++ieee80211_aes_gcm_key_setup_encrypt(const u8 key[], size_t key_len)
++{
++ return NULL;
++}
++
++static inline void
++ieee80211_aes_gcm_key_free(struct crypto_aead *tfm)
++{
++}
+
+ #endif /* AES_GCM_H */
+--- a/net/mac80211/aes_gmac.h
++++ b/net/mac80211/aes_gmac.h
+@@ -11,10 +11,22 @@
+
+ #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);
++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
-@@ -84,7 +84,7 @@ struct ieee80211_key {
+@@ -88,7 +88,7 @@ struct ieee80211_key {
* Management frames.
*/
u8 rx_pn[IEEE80211_NUM_TIDS + 1][IEEE80211_CCMP_PN_LEN];
ieee80211_aes_ccm_encrypt(key->u.ccmp.tfm, b_0, aad, pos, len,
skb_put(skb, mic_len), mic_len);
-@@ -531,7 +528,7 @@ ieee80211_crypto_ccmp_decrypt(struct iee
+@@ -537,7 +534,7 @@ ieee80211_crypto_ccmp_decrypt(struct iee
u8 aad[2 * AES_BLOCK_SIZE];
u8 b_0[AES_BLOCK_SIZE];
/* hardware didn't decrypt/verify MIC */
if (ieee80211_aes_ccm_decrypt(
key->u.ccmp.tfm, b_0, aad,
---- a/net/mac80211/aes_ccm.h
-+++ b/net/mac80211/aes_ccm.h
-@@ -12,15 +12,15 @@
-
- #include <linux/crypto.h>
-
--struct crypto_aead *ieee80211_aes_key_setup_encrypt(const u8 key[],
-- size_t key_len,
-- size_t mic_len);
--void ieee80211_aes_ccm_encrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
-+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_aead *tfm, u8 *b_0, u8 *aad,
-+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_aead *tfm);
-+void ieee80211_aes_key_free(struct crypto_cipher *tfm);
-
- #endif /* AES_CCM_H */
---- 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
-- select BPAUTO_CRYPTO_CCM
-- depends on CRYPTO_GCM
- depends on CRC32
- select BPAUTO_AVERAGE
- ---help---
projects / openwrt / openwrt.git / blobdiff