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| /* SPDX-License-Identifier: GPL-2.0-only */
| /*
| * Copyright 2003-2004, Instant802 Networks, Inc.
| * Copyright 2006, Devicescape Software, Inc.
| */
|
| #ifndef AES_CCM_H
| #define AES_CCM_H
|
| #include "aead_api.h"
|
| #define CCM_AAD_LEN 32
|
| static inline struct crypto_aead *
| ieee80211_aes_key_setup_encrypt(const u8 key[], size_t key_len, size_t mic_len)
| {
| return aead_key_setup_encrypt("ccm(aes)", key, key_len, mic_len);
| }
|
| static inline int
| ieee80211_aes_ccm_encrypt(struct crypto_aead *tfm,
| u8 *b_0, u8 *aad, u8 *data,
| size_t data_len, u8 *mic)
| {
| return aead_encrypt(tfm, b_0, aad + 2,
| be16_to_cpup((__be16 *)aad),
| data, data_len, mic);
| }
|
| static inline int
| ieee80211_aes_ccm_decrypt(struct crypto_aead *tfm,
| u8 *b_0, u8 *aad, u8 *data,
| size_t data_len, u8 *mic)
| {
| return aead_decrypt(tfm, b_0, aad + 2,
| be16_to_cpup((__be16 *)aad),
| data, data_len, mic);
| }
|
| static inline void ieee80211_aes_key_free(struct crypto_aead *tfm)
| {
| return aead_key_free(tfm);
| }
|
| #endif /* AES_CCM_H */
|
|
