linux/net/mac80211/aes_ccm.h
Thomas Gleixner d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
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>
2019-06-19 17:09:55 +02:00

46 lines
1.0 KiB
C

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