[linux-2.6-block.git] / net / mac80211 / aes_ccm.h

/* 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 */
Commit	Line	Data
d2912cb1	1	/* SPDX-License-Identifier: GPL-2.0-only */
f0706e82 JB	2	/*
	3	* Copyright 2003-2004, Instant802 Networks, Inc.
	4	* Copyright 2006, Devicescape Software, Inc.
f0706e82 JB	5	*/
	6
	7	#ifndef AES_CCM_H
	8	#define AES_CCM_H
	9
4133da73	10	#include "aead_api.h"
f0706e82	11
f4a067f9 AB	12	#define CCM_AAD_LEN 32
f4a067f9 AB	13
4133da73 XG	14	static inline struct crypto_aead *
	15	ieee80211_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
	20	static inline int
	21	ieee80211_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
	30	static inline int
	31	ieee80211_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
	40	static inline void ieee80211_aes_key_free(struct crypto_aead *tfm)
	41	{
	42	return aead_key_free(tfm);
	43	}
f0706e82 JB	44
f0706e82 JB	45	#endif /* AES_CCM_H */