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incubator-nuttx/wireless/bluetooth/bt_smp.h

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/****************************************************************************
* wireless/bluetooth/bt_smp.h
* Security Manager Protocol implementation.
*
* 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.
*
****************************************************************************/
#ifndef __WIRELESS_BLUETOOTH_BT_SMP_H
#define __WIRELESS_BLUETOOTH_BT_SMP_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "bt_conn.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define BT_SMP_ERR_PASSKEY_ENTRY_FAILED 0x01
#define BT_SMP_ERR_OOB_NOT_AVAIL 0x02
#define BT_SMP_ERR_AUTH_REQUIREMENTS 0x03
#define BT_SMP_ERR_CONFIRM_FAILED 0x04
#define BT_SMP_ERR_PAIRING_NOTSUPP 0x05
#define BT_SMP_ERR_ENC_KEY_SIZE 0x06
#define BT_SMP_ERR_CMD_NOTSUPP 0x07
#define BT_SMP_ERR_UNSPECIFIED 0x08
#define BT_SMP_ERR_REPEATED_ATTEMPTS 0x09
#define BT_SMP_ERR_INVALID_PARAMS 0x0a
#define BT_SMP_ERR_DHKEY_CHECK_FAILED 0x0b
#define BT_SMP_ERR_NUMERIC_COMP_FAILED 0x0c
#define BT_SMP_ERR_BREDR_PAIRING_IN_PROGRESS 0x0d
#define BT_SMP_ERR_CROSS_TRANSP_NOT_ALLOWED 0x0e
#define BT_SMP_IO_DISPLAY_ONLY 0x00
#define BT_SMP_IO_DISPLAY_YESNO 0x01
#define BT_SMP_IO_KEYBOARD_ONLY 0x02
#define BT_SMP_IO_NO_INPUT_OUTPUT 0x03
#define BT_SMP_IO_KEYBOARD_DISPLAY 0x04
#define BT_SMP_OOB_NOT_PRESENT 0x00
#define BT_SMP_OOB_PRESENT 0x01
#define BT_SMP_MIN_ENC_KEY_SIZE 16
#define BT_SMP_MAX_ENC_KEY_SIZE 16
#define BT_SMP_DIST_ENC_KEY 0x01
#define BT_SMP_DIST_ID_KEY 0x02
#define BT_SMP_DIST_SIGN 0x04
#define BT_SMP_DIST_LINK_KEY 0x08
#define BT_SMP_DIST_MASK 0x0f
#define BT_SMP_AUTH_NONE 0x00
#define BT_SMP_AUTH_BONDING 0x01
#define BT_SMP_AUTH_MITM 0x04
#define BT_SMP_AUTH_SC 0x08
#define BT_SMP_AUTH_KEYPRESS 0x10
#define BT_SMP_AUTH_MASK 0x1f
#define BT_SMP_CMD_PAIRING_REQ 0x01
#define BT_SMP_CMD_PAIRING_RSP 0x02
#define BT_SMP_CMD_PAIRING_CONFIRM 0x03
#define BT_SMP_CMD_PAIRING_RANDOM 0x04
#define BT_SMP_CMD_PAIRING_FAIL 0x05
#define BT_SMP_CMD_ENCRYPT_INFO 0x06
#define BT_SMP_CMD_MASTER_IDENT 0x07
#define BT_SMP_CMD_IDENT_INFO 0x08
#define BT_SMP_CMD_IDENT_ADDR_INFO 0x09
#define BT_SMP_CMD_SECURITY_REQUEST 0x0b
/****************************************************************************
* Public Types
****************************************************************************/
begin_packed_struct struct bt_smp_hdr_s
{
uint8_t code;
} end_packed_struct;
begin_packed_struct struct bt_smp_pairing_s
{
uint8_t io_capability;
uint8_t oob_flag;
uint8_t auth_req;
uint8_t max_key_size;
uint8_t init_key_dist;
uint8_t resp_key_dist;
} end_packed_struct;
begin_packed_struct struct bt_smp_pairing_confirm_s
{
uint8_t val[16];
} end_packed_struct;
begin_packed_struct struct bt_smp_pairing_random_s
{
uint8_t val[16];
} end_packed_struct;
begin_packed_struct struct bt_smp_pairing_fail_s
{
uint8_t reason;
} end_packed_struct;
begin_packed_struct struct bt_smp_encrypt_info_s
{
uint8_t ltk[16];
} end_packed_struct;
begin_packed_struct struct bt_smp_master_ident_s
{
uint16_t ediv;
uint64_t rand;
} end_packed_struct;
begin_packed_struct struct bt_smp_ident_info_s
{
uint8_t irk[16];
} end_packed_struct;
begin_packed_struct struct bt_smp_ident_addr_info_s
{
bt_addr_le_t addr;
} end_packed_struct;
begin_packed_struct struct bt_smp_security_request_s
{
uint8_t auth_req;
} end_packed_struct;
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
bool bt_smp_irk_matches(FAR const uint8_t irk[16],
FAR const bt_addr_t *addr);
int bt_smp_send_pairing_req(FAR struct bt_conn_s *conn);
int bt_smp_send_security_req(FAR struct bt_conn_s *conn);
int bt_smp_initialize(void);
#endif /* __WIRELESS_BLUETOOTH_BT_SMP_H */
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