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_gcm.h (1013B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright 2014-2015, Qualcomm Atheros, Inc.
      4 */
      5
      6#ifndef AES_GCM_H
      7#define AES_GCM_H
      8
      9#include "aead_api.h"
     10
     11#define GCM_AAD_LEN	32
     12
     13static inline int ieee80211_aes_gcm_encrypt(struct crypto_aead *tfm,
     14					    u8 *j_0, u8 *aad,  u8 *data,
     15					    size_t data_len, u8 *mic)
     16{
     17	return aead_encrypt(tfm, j_0, aad + 2,
     18			    be16_to_cpup((__be16 *)aad),
     19			    data, data_len, mic);
     20}
     21
     22static inline int ieee80211_aes_gcm_decrypt(struct crypto_aead *tfm,
     23					    u8 *j_0, u8 *aad, u8 *data,
     24					    size_t data_len, u8 *mic)
     25{
     26	return aead_decrypt(tfm, j_0, aad + 2,
     27			    be16_to_cpup((__be16 *)aad),
     28			    data, data_len, mic);
     29}
     30
     31static inline struct crypto_aead *
     32ieee80211_aes_gcm_key_setup_encrypt(const u8 key[], size_t key_len)
     33{
     34	return aead_key_setup_encrypt("gcm(aes)", key,
     35				      key_len, IEEE80211_GCMP_MIC_LEN);
     36}
     37
     38static inline void ieee80211_aes_gcm_key_free(struct crypto_aead *tfm)
     39{
     40	return aead_key_free(tfm);
     41}
     42
     43#endif /* AES_GCM_H */