Cross Reference: /net/mac802154/llsec.c

Lines Matching refs:key
26 static void llsec_key_put(struct mac802154_llsec_key *key);
50 	struct ieee802154_llsec_key_entry *key, *kn;
68 	list_for_each_entry_safe(key, kn, &sec->table.keys, list) {
71 		mkey = container_of(key->key, struct mac802154_llsec_key, key);
72 		list_del(&key->list);
74 		kfree(key);
126 	struct mac802154_llsec_key *key;
129 	key = kzalloc(sizeof(*key), GFP_KERNEL);
130 	if (!key)
133 	kref_init(&key->ref);
134 	key->key = *template;
136 	BUILD_BUG_ON(ARRAY_SIZE(authsizes) != ARRAY_SIZE(key->tfm));
138 	for (i = 0; i < ARRAY_SIZE(key->tfm); i++) {
139 		key->tfm[i] = crypto_alloc_aead("ccm(aes)", 0,
141 		if (!key->tfm[i])
143 		if (crypto_aead_setkey(key->tfm[i], template->key,
146 		if (crypto_aead_setauthsize(key->tfm[i], authsizes[i]))
150 	key->tfm0 = crypto_alloc_blkcipher("ctr(aes)", 0, CRYPTO_ALG_ASYNC);
151 	if (!key->tfm0)
154 	if (crypto_blkcipher_setkey(key->tfm0, template->key,
158 	return key;
161 	crypto_free_blkcipher(key->tfm0);
163 	for (i = 0; i < ARRAY_SIZE(key->tfm); i++)
164 		if (key->tfm[i])
165 			crypto_free_aead(key->tfm[i]);
167 	kfree(key);
173 	struct mac802154_llsec_key *key;
176 	key = container_of(ref, struct mac802154_llsec_key, ref);
178 	for (i = 0; i < ARRAY_SIZE(key->tfm); i++)
179 		crypto_free_aead(key->tfm[i]);
181 	crypto_free_blkcipher(key->tfm0);
182 	kfree(key);
186 llsec_key_get(struct mac802154_llsec_key *key)
188 	kref_get(&key->ref);
189 	return key;
192 static void llsec_key_put(struct mac802154_llsec_key *key)
194 	kref_put(&key->ref, llsec_key_release);
223 			    const struct ieee802154_llsec_key *key)
228 	if (!(key->frame_types & (1 << IEEE802154_FC_TYPE_MAC_CMD)) &&
229 	    key->cmd_frame_ids)
236 		if (memcmp(pos->key->key, key->key,
240 		mkey = container_of(pos->key, struct mac802154_llsec_key, key);
242 		/* Don't allow multiple instances of the same AES key to have
246 		if (pos->key->frame_types != key->frame_types ||
247 		    pos->key->cmd_frame_ids != key->cmd_frame_ids)
258 		mkey = llsec_key_alloc(key);
266 	new->key = &mkey->key;
278 			    const struct ieee802154_llsec_key_id *key)
285 		mkey = container_of(pos->key, struct mac802154_llsec_key, key);
287 		if (llsec_key_id_equal(&pos->id, key)) {
320 	u32 key = llsec_dev_hash_short(short_addr, pan_id);
322 	hash_for_each_possible_rcu(sec->devices_short, dev, bucket_s, key) {
335 	u64 key = llsec_dev_hash_long(hwaddr);
337 	hash_for_each_possible_rcu(sec->devices_hw, dev, bucket_hw, key) {
418 		  const struct ieee802154_llsec_key_id *key)
423 		if (!llsec_key_id_equal(key, &devkey->key_id))
435 			       const struct ieee802154_llsec_device_key *key)
445 	if (llsec_devkey_find(dev, &key->key_id))
452 	devkey->devkey = *key;
459 			       const struct ieee802154_llsec_device_key *key)
469 	devkey = llsec_devkey_find(dev, &key->key_id);
566 	struct mac802154_llsec_key *key;
581 		if (!(key_entry->key->frame_types & BIT(hdr->fc.type)))
606 	key = container_of(key_entry->key, struct mac802154_llsec_key, key);
609 	return llsec_key_get(key);
630 			struct mac802154_llsec_key *key)
635 		.tfm = key->tfm0,
646 llsec_tfm_by_len(struct mac802154_llsec_key *key, int authlen)
650 	for (i = 0; i < ARRAY_SIZE(key->tfm); i++)
651 		if (crypto_aead_authsize(key->tfm[i]) == authlen)
652 			return key->tfm[i];
660 		      struct mac802154_llsec_key *key)
671 	req = aead_request_alloc(llsec_tfm_by_len(key, authlen), GFP_ATOMIC);
710 			    struct mac802154_llsec_key *key)
713 		return llsec_do_encrypt_unauth(skb, sec, hdr, key);
715 		return llsec_do_encrypt_auth(skb, sec, hdr, key);
722 	struct mac802154_llsec_key *key;
749 	key = llsec_lookup_key(sec, &hdr, &hdr.dest, NULL);
750 	if (!key) {
763 		llsec_key_put(key);
777 	rc = llsec_do_encrypt(skb, sec, &hdr, key);
778 	llsec_key_put(key);
803 		u32 key = llsec_dev_hash_short(devaddr.short_addr,
807 					   bucket_s, key) {
813 		u64 key = llsec_dev_hash_long(devaddr.extended_addr);
816 					   bucket_hw, key) {
847 			struct mac802154_llsec_key *key, __le64 dev_addr)
854 		.tfm = key->tfm0,
871 		      struct mac802154_llsec_key *key, __le64 dev_addr)
882 	req = aead_request_alloc(llsec_tfm_by_len(key, authlen), GFP_ATOMIC);
919 		 struct mac802154_llsec_key *key, __le64 dev_addr)
922 		return llsec_do_decrypt_unauth(skb, sec, hdr, key, dev_addr);
924 		return llsec_do_decrypt_auth(skb, sec, hdr, key, dev_addr);
999 	struct mac802154_llsec_key *key;
1023 	key = llsec_lookup_key(sec, &hdr, &hdr.source, &key_id);
1024 	if (!key) {
1062 	err = llsec_do_decrypt(skb, sec, &hdr, key, dev_addr);
1063 	llsec_key_put(key);
1067 	llsec_key_put(key);