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43 lines
1013 B
43 lines
1013 B
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright 2014-2015, Qualcomm Atheros, Inc. |
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*/ |
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#ifndef AES_GCM_H |
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#define AES_GCM_H |
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#include "aead_api.h" |
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#define GCM_AAD_LEN 32 |
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static inline int ieee80211_aes_gcm_encrypt(struct crypto_aead *tfm, |
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u8 *j_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, j_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 ieee80211_aes_gcm_decrypt(struct crypto_aead *tfm, |
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u8 *j_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, j_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 struct crypto_aead * |
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ieee80211_aes_gcm_key_setup_encrypt(const u8 key[], size_t key_len) |
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{ |
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return aead_key_setup_encrypt("gcm(aes)", key, |
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key_len, IEEE80211_GCMP_MIC_LEN); |
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} |
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static inline void ieee80211_aes_gcm_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_GCM_H */
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