| /* |
| * Copyright 2003-2004, Instant802 Networks, Inc. |
| * Copyright 2006, Devicescape Software, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #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 */ |