zephyr/net/bluetooth/keys.h

82 lines
2.7 KiB
C

/* keys.h - Bluetooth key handling */
/*
* Copyright (c) 2015 Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1) Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2) Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3) Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
enum {
BT_KEYS_SLAVE_LTK = (1 << 0),
BT_KEYS_IRK = (1 << 1),
BT_KEYS_LTK = (1 << 2),
BT_KEYS_LOCAL_CSRK = (1 << 3),
BT_KEYS_REMOTE_CSRK = (1 << 4),
BT_KEYS_ALL = (BT_KEYS_SLAVE_LTK | BT_KEYS_IRK | \
BT_KEYS_LTK | BT_KEYS_LOCAL_CSRK | \
BT_KEYS_REMOTE_CSRK),
};
struct bt_ltk {
uint64_t rand;
uint16_t ediv;
uint8_t val[16];
struct bt_keys *next;
};
struct bt_irk {
uint8_t val[16];
bt_addr_t rpa;
struct bt_keys *next;
};
struct bt_csrk {
uint8_t val[16];
uint32_t cnt;
struct bt_keys *next;
};
struct bt_keys {
bt_addr_le_t addr;
int keys;
struct bt_ltk slave_ltk;
struct bt_ltk ltk;
struct bt_irk irk;
struct bt_csrk local_csrk;
struct bt_csrk remote_csrk;
};
struct bt_keys *bt_keys_get_addr(const bt_addr_le_t *addr);
struct bt_keys *bt_keys_get_type(int type, const bt_addr_le_t *addr);
void bt_keys_add_type(struct bt_keys *keys, int type);
void bt_keys_clear(struct bt_keys *keys, int type);
struct bt_keys *bt_keys_find(int type, const bt_addr_le_t *addr);
struct bt_keys *bt_keys_find_irk(const bt_addr_le_t *addr);
struct bt_keys *bt_keys_find_addr(const bt_addr_le_t *addr);