zephyr/net/bluetooth/smp.h

132 lines
4.0 KiB
C

/**
* @file smp.h
* Security Manager Protocol implementation header
*/
/*
* 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.
*/
struct bt_smp_hdr {
uint8_t code;
} __packed;
#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
struct bt_smp_pairing {
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;
} __packed;
#define BT_SMP_CMD_PAIRING_CONFIRM 0x03
struct bt_smp_pairing_confirm {
uint8_t val[16];
} __packed;
#define BT_SMP_CMD_PAIRING_RANDOM 0x04
struct bt_smp_pairing_random {
uint8_t val[16];
} __packed;
#define BT_SMP_CMD_PAIRING_FAIL 0x05
struct bt_smp_pairing_fail {
uint8_t reason;
} __packed;
#define BT_SMP_CMD_ENCRYPT_INFO 0x06
struct bt_smp_encrypt_info {
uint8_t ltk[16];
} __packed;
#define BT_SMP_CMD_MASTER_IDENT 0x07
struct bt_smp_master_ident {
uint16_t ediv;
uint64_t rand;
} __packed;
#define BT_SMP_CMD_IDENT_INFO 0x08
struct bt_smp_ident_info {
uint8_t irk[16];
} __packed;
#define BT_SMP_CMD_IDENT_ADDR_INFO 0x09
struct bt_smp_ident_addr_info {
bt_addr_le_t addr;
} __packed;
bool bt_smp_irk_matches(const uint8_t irk[16], const bt_addr_t *addr);
void bt_smp_init();