1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright 2003-2004, Instant802 Networks, Inc.
4 * Copyright 2006, Devicescape Software, Inc.
12 #define CCM_AAD_LEN 32
14 static inline struct crypto_aead *
15 ieee80211_aes_key_setup_encrypt(const u8 key[], size_t key_len, size_t mic_len)
17 return aead_key_setup_encrypt("ccm(aes)", key, key_len, mic_len);
21 ieee80211_aes_ccm_encrypt(struct crypto_aead *tfm,
22 u8 *b_0, u8 *aad, u8 *data,
23 size_t data_len, u8 *mic)
25 return aead_encrypt(tfm, b_0, aad + 2,
26 be16_to_cpup((__be16 *)aad),
31 ieee80211_aes_ccm_decrypt(struct crypto_aead *tfm,
32 u8 *b_0, u8 *aad, u8 *data,
33 size_t data_len, u8 *mic)
35 return aead_decrypt(tfm, b_0, aad + 2,
36 be16_to_cpup((__be16 *)aad),
40 static inline void ieee80211_aes_key_free(struct crypto_aead *tfm)
42 return aead_key_free(tfm);
45 #endif /* AES_CCM_H */