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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /net/mac80211/aes_ccm.c
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'net/mac80211/aes_ccm.c')
-rw-r--r--net/mac80211/aes_ccm.c33
1 files changed, 15 insertions, 18 deletions
diff --git a/net/mac80211/aes_ccm.c b/net/mac80211/aes_ccm.c
index 208df7c0b..7663c28ba 100644
--- a/net/mac80211/aes_ccm.c
+++ b/net/mac80211/aes_ccm.c
@@ -11,9 +11,8 @@
#include <linux/kernel.h>
#include <linux/types.h>
-#include <linux/crypto.h>
#include <linux/err.h>
-#include <crypto/aes.h>
+#include <crypto/aead.h>
#include <net/mac80211.h>
#include "key.h"
@@ -23,7 +22,7 @@ void ieee80211_aes_ccm_encrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
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)]
@@ -32,15 +31,14 @@ void ieee80211_aes_ccm_encrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
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);
+ 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);
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);
+ 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);
}
@@ -49,7 +47,7 @@ int ieee80211_aes_ccm_decrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
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));
@@ -60,15 +58,14 @@ int ieee80211_aes_ccm_decrypt(struct crypto_aead *tfm, u8 *b_0, u8 *aad,
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);
+ 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);
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);
+ aead_request_set_crypt(aead_req, sg, sg, data_len + mic_len, b_0);
+ aead_request_set_ad(aead_req, sg[0].length);
return crypto_aead_decrypt(aead_req);
}