| /* |
| * Copyright 2014-2015, Qualcomm Atheros, 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_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 */ |
