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