1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
| /* SPDX-License-Identifier: GPL-2.0-only */
| /*
| * Copyright 2014-2015, Qualcomm Atheros, Inc.
| */
|
| #ifndef AES_GCM_H
| #define AES_GCM_H
|
| #include "aead_api.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)
| {
| 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)
| {
| return aead_decrypt(tfm, j_0, aad + 2,
| be16_to_cpup((__be16 *)aad),
| data, data_len, mic);
| }
|
| 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);
| }
|
| static inline void ieee80211_aes_gcm_key_free(struct crypto_aead *tfm)
| {
| return aead_key_free(tfm);
| }
|
| #endif /* AES_GCM_H */
|
|