180 lines
6.3 KiB
C
180 lines
6.3 KiB
C
/****************************************************************************
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* wireless/bluetooth/bt_smp.h
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* Security Manager Protocol implementation.
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*
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* Copyright (C) 2018 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Ported from the Intel/Zephyr arduino101_firmware_source-v1.tar package
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* where the code was released with a compatible 3-clause BSD license:
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*
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* Copyright (c) 2016, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __WIRELESS_BLUETOOTH_BT_SMP_H
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#define __WIRELESS_BLUETOOTH_BT_SMP_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include "bt_conn.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define BT_SMP_ERR_PASSKEY_ENTRY_FAILED 0x01
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#define BT_SMP_ERR_OOB_NOT_AVAIL 0x02
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#define BT_SMP_ERR_AUTH_REQUIREMENTS 0x03
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#define BT_SMP_ERR_CONFIRM_FAILED 0x04
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#define BT_SMP_ERR_PAIRING_NOTSUPP 0x05
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#define BT_SMP_ERR_ENC_KEY_SIZE 0x06
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#define BT_SMP_ERR_CMD_NOTSUPP 0x07
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#define BT_SMP_ERR_UNSPECIFIED 0x08
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#define BT_SMP_ERR_REPEATED_ATTEMPTS 0x09
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#define BT_SMP_ERR_INVALID_PARAMS 0x0a
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#define BT_SMP_ERR_DHKEY_CHECK_FAILED 0x0b
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#define BT_SMP_ERR_NUMERIC_COMP_FAILED 0x0c
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#define BT_SMP_ERR_BREDR_PAIRING_IN_PROGRESS 0x0d
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#define BT_SMP_ERR_CROSS_TRANSP_NOT_ALLOWED 0x0e
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#define BT_SMP_IO_DISPLAY_ONLY 0x00
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#define BT_SMP_IO_DISPLAY_YESNO 0x01
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#define BT_SMP_IO_KEYBOARD_ONLY 0x02
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#define BT_SMP_IO_NO_INPUT_OUTPUT 0x03
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#define BT_SMP_IO_KEYBOARD_DISPLAY 0x04
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#define BT_SMP_OOB_NOT_PRESENT 0x00
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#define BT_SMP_OOB_PRESENT 0x01
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#define BT_SMP_MIN_ENC_KEY_SIZE 16
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#define BT_SMP_MAX_ENC_KEY_SIZE 16
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#define BT_SMP_DIST_ENC_KEY 0x01
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#define BT_SMP_DIST_ID_KEY 0x02
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#define BT_SMP_DIST_SIGN 0x04
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#define BT_SMP_DIST_LINK_KEY 0x08
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#define BT_SMP_DIST_MASK 0x0f
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#define BT_SMP_AUTH_NONE 0x00
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#define BT_SMP_AUTH_BONDING 0x01
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#define BT_SMP_AUTH_MITM 0x04
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#define BT_SMP_AUTH_SC 0x08
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#define BT_SMP_AUTH_KEYPRESS 0x10
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#define BT_SMP_AUTH_MASK 0x1f
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#define BT_SMP_CMD_PAIRING_REQ 0x01
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#define BT_SMP_CMD_PAIRING_RSP 0x02
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#define BT_SMP_CMD_PAIRING_CONFIRM 0x03
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#define BT_SMP_CMD_PAIRING_RANDOM 0x04
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#define BT_SMP_CMD_PAIRING_FAIL 0x05
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#define BT_SMP_CMD_ENCRYPT_INFO 0x06
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#define BT_SMP_CMD_MASTER_IDENT 0x07
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#define BT_SMP_CMD_IDENT_INFO 0x08
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#define BT_SMP_CMD_IDENT_ADDR_INFO 0x09
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#define BT_SMP_CMD_SECURITY_REQUEST 0x0b
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/****************************************************************************
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* Public Types
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****************************************************************************/
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begin_packed_struct struct bt_smp_hdr_s
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{
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uint8_t code;
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} end_packed_struct;
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begin_packed_struct struct bt_smp_pairing_s
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{
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uint8_t io_capability;
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uint8_t oob_flag;
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uint8_t auth_req;
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uint8_t max_key_size;
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uint8_t init_key_dist;
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uint8_t resp_key_dist;
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} end_packed_struct;
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begin_packed_struct struct bt_smp_pairing_confirm_s
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{
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uint8_t val[16];
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} end_packed_struct;
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begin_packed_struct struct bt_smp_pairing_random_s
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{
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uint8_t val[16];
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} end_packed_struct;
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begin_packed_struct struct bt_smp_pairing_fail_s
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{
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uint8_t reason;
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} end_packed_struct;
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begin_packed_struct struct bt_smp_encrypt_info_s
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{
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uint8_t ltk[16];
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} end_packed_struct;
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begin_packed_struct struct bt_smp_master_ident_s
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{
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uint16_t ediv;
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uint64_t rand;
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} end_packed_struct;
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begin_packed_struct struct bt_smp_ident_info_s
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{
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uint8_t irk[16];
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} end_packed_struct;
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begin_packed_struct struct bt_smp_ident_addr_info_s
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{
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bt_addr_le_t addr;
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} end_packed_struct;
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begin_packed_struct struct bt_smp_security_request_s
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{
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uint8_t auth_req;
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} end_packed_struct;
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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bool bt_smp_irk_matches(FAR const uint8_t irk[16], FAR const bt_addr_t *addr);
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int bt_smp_send_pairing_req(FAR struct bt_conn_s *conn);
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int bt_smp_send_security_req(FAR struct bt_conn_s *conn);
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int bt_smp_initialize(void);
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#endif /* __WIRELESS_BLUETOOTH_BT_SMP_H */
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