linux/net/mac80211/fils_aead.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * FILS AEAD for (Re)Association Request/Response frames
 * Copyright 2016, Qualcomm Atheros, Inc.
 */

#include <crypto/aes.h>
#include <crypto/hash.h>
#include <crypto/skcipher.h>
#include <crypto/utils.h>

#include "ieee80211_i.h"
#include "aes_cmac.h"
#include "fils_aead.h"

static void gf_mulx(u8 *pad)
{ … }

static int aes_s2v(struct crypto_shash *tfm,
		   size_t num_elem, const u8 *addr[], size_t len[], u8 *v)
{ … }

/* Note: addr[] and len[] needs to have one extra slot at the end. */
static int aes_siv_encrypt(const u8 *key, size_t key_len,
			   const u8 *plain, size_t plain_len,
			   size_t num_elem, const u8 *addr[],
			   size_t len[], u8 *out)
{ … }

/* Note: addr[] and len[] needs to have one extra slot at the end. */
static int aes_siv_decrypt(const u8 *key, size_t key_len,
			   const u8 *iv_crypt, size_t iv_c_len,
			   size_t num_elem, const u8 *addr[], size_t len[],
			   u8 *out)
{ … }

int fils_encrypt_assoc_req(struct sk_buff *skb,
			   struct ieee80211_mgd_assoc_data *assoc_data)
{ … }

int fils_decrypt_assoc_resp(struct ieee80211_sub_if_data *sdata,
			    u8 *frame, size_t *frame_len,
			    struct ieee80211_mgd_assoc_data *assoc_data)
{ … }