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Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
44 lines
1013 B
C
44 lines
1013 B
C
/* 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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