incubator-nuttx/wireless/bluetooth/bt_keys.h

109 lines
3.8 KiB
C

/****************************************************************************
* wireless/bluetooth/bt_keys.h
* Bluetooth key handling
*
* Copyright (C) 2018 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Ported from the Intel/Zephyr arduino101_firmware_source-v1.tar package
* where the code was released with a compatible 3-clause BSD license:
*
* Copyright (c) 2016, Intel Corporation
* All rights reserved.
*
* 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 the copyright holder 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Public Types
****************************************************************************/
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_s
{
uint64_t rand;
uint16_t ediv;
uint8_t val[16];
FAR struct bt_keys_s *next;
};
struct bt_irk_s
{
uint8_t val[16];
bt_addr_t rpa;
FAR struct bt_keys_s *next;
};
struct bt_csrk_s
{
uint8_t val[16];
uint32_t cnt;
FAR struct bt_keys_s *next;
};
struct bt_keys_s
{
bt_addr_le_t addr;
int keys;
struct bt_ltk_s slave_ltk;
struct bt_ltk_s ltk;
struct bt_irk_s irk;
struct bt_csrk_s local_csrk;
struct bt_csrk_s remote_csrk;
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
FAR struct bt_keys_s *bt_keys_get_addr(FAR const bt_addr_le_t *addr);
FAR struct bt_keys_s *bt_keys_get_type(int type,
FAR const bt_addr_le_t *addr);
void bt_keys_add_type(FAR struct bt_keys_s *keys, int type);
void bt_keys_clear(FAR struct bt_keys_s *keys, int type);
FAR struct bt_keys_s *bt_keys_find(int type, FAR const bt_addr_le_t *addr);
FAR struct bt_keys_s *bt_keys_find_irk(FAR const bt_addr_le_t *addr);