1 /* SPDX-License-Identifier: GPL-2.0-only */ 1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* 2 /*
3 * Copyright 2003-2004, Instant802 Networks, I 3 * Copyright 2003-2004, Instant802 Networks, Inc.
4 * Copyright 2006, Devicescape Software, Inc. 4 * Copyright 2006, Devicescape Software, Inc.
5 */ 5 */
6 6
7 #ifndef AES_CCM_H 7 #ifndef AES_CCM_H
8 #define AES_CCM_H 8 #define AES_CCM_H
9 9
10 #include "aead_api.h" 10 #include "aead_api.h"
11 11
12 #define CCM_AAD_LEN 32 12 #define CCM_AAD_LEN 32
13 13
14 static inline struct crypto_aead * 14 static inline struct crypto_aead *
15 ieee80211_aes_key_setup_encrypt(const u8 key[] 15 ieee80211_aes_key_setup_encrypt(const u8 key[], size_t key_len, size_t mic_len)
16 { 16 {
17 return aead_key_setup_encrypt("ccm(aes 17 return aead_key_setup_encrypt("ccm(aes)", key, key_len, mic_len);
18 } 18 }
19 19
20 static inline int 20 static inline int
21 ieee80211_aes_ccm_encrypt(struct crypto_aead * 21 ieee80211_aes_ccm_encrypt(struct crypto_aead *tfm,
22 u8 *b_0, u8 *aad, u8 22 u8 *b_0, u8 *aad, u8 *data,
23 size_t data_len, u8 23 size_t data_len, u8 *mic)
24 { 24 {
25 return aead_encrypt(tfm, b_0, aad + 2, 25 return aead_encrypt(tfm, b_0, aad + 2,
26 be16_to_cpup((__be 26 be16_to_cpup((__be16 *)aad),
27 data, data_len, mi 27 data, data_len, mic);
28 } 28 }
29 29
30 static inline int 30 static inline int
31 ieee80211_aes_ccm_decrypt(struct crypto_aead * 31 ieee80211_aes_ccm_decrypt(struct crypto_aead *tfm,
32 u8 *b_0, u8 *aad, u8 32 u8 *b_0, u8 *aad, u8 *data,
33 size_t data_len, u8 33 size_t data_len, u8 *mic)
34 { 34 {
35 return aead_decrypt(tfm, b_0, aad + 2, 35 return aead_decrypt(tfm, b_0, aad + 2,
36 be16_to_cpup((__be 36 be16_to_cpup((__be16 *)aad),
37 data, data_len, mi 37 data, data_len, mic);
38 } 38 }
39 39
40 static inline void ieee80211_aes_key_free(stru 40 static inline void ieee80211_aes_key_free(struct crypto_aead *tfm)
41 { 41 {
42 return aead_key_free(tfm); 42 return aead_key_free(tfm);
43 } 43 }
44 44
45 #endif /* AES_CCM_H */ 45 #endif /* AES_CCM_H */
46 46
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.