diff options
Diffstat (limited to 'net/ieee80211/ieee80211_crypt_ccmp.c')
-rw-r--r-- | net/ieee80211/ieee80211_crypt_ccmp.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/net/ieee80211/ieee80211_crypt_ccmp.c b/net/ieee80211/ieee80211_crypt_ccmp.c index 098c66846339..35aa3426c3fa 100644 --- a/net/ieee80211/ieee80211_crypt_ccmp.c +++ b/net/ieee80211/ieee80211_crypt_ccmp.c | |||
@@ -9,6 +9,7 @@ | |||
9 | * more details. | 9 | * more details. |
10 | */ | 10 | */ |
11 | 11 | ||
12 | #include <linux/err.h> | ||
12 | #include <linux/module.h> | 13 | #include <linux/module.h> |
13 | #include <linux/init.h> | 14 | #include <linux/init.h> |
14 | #include <linux/slab.h> | 15 | #include <linux/slab.h> |
@@ -48,7 +49,7 @@ struct ieee80211_ccmp_data { | |||
48 | 49 | ||
49 | int key_idx; | 50 | int key_idx; |
50 | 51 | ||
51 | struct crypto_tfm *tfm; | 52 | struct crypto_cipher *tfm; |
52 | 53 | ||
53 | /* scratch buffers for virt_to_page() (crypto API) */ | 54 | /* scratch buffers for virt_to_page() (crypto API) */ |
54 | u8 tx_b0[AES_BLOCK_LEN], tx_b[AES_BLOCK_LEN], | 55 | u8 tx_b0[AES_BLOCK_LEN], tx_b[AES_BLOCK_LEN], |
@@ -56,20 +57,10 @@ struct ieee80211_ccmp_data { | |||
56 | u8 rx_b0[AES_BLOCK_LEN], rx_b[AES_BLOCK_LEN], rx_a[AES_BLOCK_LEN]; | 57 | u8 rx_b0[AES_BLOCK_LEN], rx_b[AES_BLOCK_LEN], rx_a[AES_BLOCK_LEN]; |
57 | }; | 58 | }; |
58 | 59 | ||
59 | static void ieee80211_ccmp_aes_encrypt(struct crypto_tfm *tfm, | 60 | static inline void ieee80211_ccmp_aes_encrypt(struct crypto_cipher *tfm, |
60 | const u8 pt[16], u8 ct[16]) | 61 | const u8 pt[16], u8 ct[16]) |
61 | { | 62 | { |
62 | struct scatterlist src, dst; | 63 | crypto_cipher_encrypt_one(tfm, ct, pt); |
63 | |||
64 | src.page = virt_to_page(pt); | ||
65 | src.offset = offset_in_page(pt); | ||
66 | src.length = AES_BLOCK_LEN; | ||
67 | |||
68 | dst.page = virt_to_page(ct); | ||
69 | dst.offset = offset_in_page(ct); | ||
70 | dst.length = AES_BLOCK_LEN; | ||
71 | |||
72 | crypto_cipher_encrypt(tfm, &dst, &src, AES_BLOCK_LEN); | ||
73 | } | 64 | } |
74 | 65 | ||
75 | static void *ieee80211_ccmp_init(int key_idx) | 66 | static void *ieee80211_ccmp_init(int key_idx) |
@@ -81,10 +72,11 @@ static void *ieee80211_ccmp_init(int key_idx) | |||
81 | goto fail; | 72 | goto fail; |
82 | priv->key_idx = key_idx; | 73 | priv->key_idx = key_idx; |
83 | 74 | ||
84 | priv->tfm = crypto_alloc_tfm("aes", 0); | 75 | priv->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC); |
85 | if (priv->tfm == NULL) { | 76 | if (IS_ERR(priv->tfm)) { |
86 | printk(KERN_DEBUG "ieee80211_crypt_ccmp: could not allocate " | 77 | printk(KERN_DEBUG "ieee80211_crypt_ccmp: could not allocate " |
87 | "crypto API aes\n"); | 78 | "crypto API aes\n"); |
79 | priv->tfm = NULL; | ||
88 | goto fail; | 80 | goto fail; |
89 | } | 81 | } |
90 | 82 | ||
@@ -93,7 +85,7 @@ static void *ieee80211_ccmp_init(int key_idx) | |||
93 | fail: | 85 | fail: |
94 | if (priv) { | 86 | if (priv) { |
95 | if (priv->tfm) | 87 | if (priv->tfm) |
96 | crypto_free_tfm(priv->tfm); | 88 | crypto_free_cipher(priv->tfm); |
97 | kfree(priv); | 89 | kfree(priv); |
98 | } | 90 | } |
99 | 91 | ||
@@ -104,7 +96,7 @@ static void ieee80211_ccmp_deinit(void *priv) | |||
104 | { | 96 | { |
105 | struct ieee80211_ccmp_data *_priv = priv; | 97 | struct ieee80211_ccmp_data *_priv = priv; |
106 | if (_priv && _priv->tfm) | 98 | if (_priv && _priv->tfm) |
107 | crypto_free_tfm(_priv->tfm); | 99 | crypto_free_cipher(_priv->tfm); |
108 | kfree(priv); | 100 | kfree(priv); |
109 | } | 101 | } |
110 | 102 | ||
@@ -115,7 +107,7 @@ static inline void xor_block(u8 * b, u8 * a, size_t len) | |||
115 | b[i] ^= a[i]; | 107 | b[i] ^= a[i]; |
116 | } | 108 | } |
117 | 109 | ||
118 | static void ccmp_init_blocks(struct crypto_tfm *tfm, | 110 | static void ccmp_init_blocks(struct crypto_cipher *tfm, |
119 | struct ieee80211_hdr_4addr *hdr, | 111 | struct ieee80211_hdr_4addr *hdr, |
120 | u8 * pn, size_t dlen, u8 * b0, u8 * auth, u8 * s0) | 112 | u8 * pn, size_t dlen, u8 * b0, u8 * auth, u8 * s0) |
121 | { | 113 | { |
@@ -398,7 +390,7 @@ static int ieee80211_ccmp_set_key(void *key, int len, u8 * seq, void *priv) | |||
398 | { | 390 | { |
399 | struct ieee80211_ccmp_data *data = priv; | 391 | struct ieee80211_ccmp_data *data = priv; |
400 | int keyidx; | 392 | int keyidx; |
401 | struct crypto_tfm *tfm = data->tfm; | 393 | struct crypto_cipher *tfm = data->tfm; |
402 | 394 | ||
403 | keyidx = data->key_idx; | 395 | keyidx = data->key_idx; |
404 | memset(data, 0, sizeof(*data)); | 396 | memset(data, 0, sizeof(*data)); |