cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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aes_ccm.h (1028B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright 2003-2004, Instant802 Networks, Inc.
      4 * Copyright 2006, Devicescape Software, Inc.
      5 */
      6
      7#ifndef AES_CCM_H
      8#define AES_CCM_H
      9
     10#include "aead_api.h"
     11
     12#define CCM_AAD_LEN	32
     13
     14static inline struct crypto_aead *
     15ieee80211_aes_key_setup_encrypt(const u8 key[], size_t key_len, size_t mic_len)
     16{
     17	return aead_key_setup_encrypt("ccm(aes)", key, key_len, mic_len);
     18}
     19
     20static inline int
     21ieee80211_aes_ccm_encrypt(struct crypto_aead *tfm,
     22			  u8 *b_0, u8 *aad, u8 *data,
     23			  size_t data_len, u8 *mic)
     24{
     25	return aead_encrypt(tfm, b_0, aad + 2,
     26			    be16_to_cpup((__be16 *)aad),
     27			    data, data_len, mic);
     28}
     29
     30static inline int
     31ieee80211_aes_ccm_decrypt(struct crypto_aead *tfm,
     32			  u8 *b_0, u8 *aad, u8 *data,
     33			  size_t data_len, u8 *mic)
     34{
     35	return aead_decrypt(tfm, b_0, aad + 2,
     36			    be16_to_cpup((__be16 *)aad),
     37			    data, data_len, mic);
     38}
     39
     40static inline void ieee80211_aes_key_free(struct crypto_aead *tfm)
     41{
     42	return aead_key_free(tfm);
     43}
     44
     45#endif /* AES_CCM_H */