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Component/bt: support OOB in SMP

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This commit is contained in:
zhiweijian 2018-10-16 17:56:07 +08:00 committed by bot
parent 7c29a39d6f
commit 4e81705ca2
14 changed files with 197 additions and 6 deletions
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23
components/bt/bluedroid/api/esp_gap_ble_api.c
View file

@ -598,6 +598,29 @@ esp_err_t esp_ble_get_bond_device_list(int *dev_num, esp_ble_bond_dev_t *dev_lis
return (ret == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
esp_err_t esp_ble_oob_req_reply(esp_bd_addr_t bd_addr, uint8_t *TK, uint8_t len)
{
if(len != ESP_BT_OCTET16_LEN) {
return ESP_ERR_INVALID_ARG;
}
btc_msg_t msg;
btc_ble_gap_args_t arg;
ESP_BLUEDROID_STATUS_CHECK(ESP_BLUEDROID_STATUS_ENABLED);
msg.sig = BTC_SIG_API_CALL;
msg.pid = BTC_PID_GAP_BLE;
msg.act = BTC_GAP_BLE_OOB_REQ_REPLY_EVT;
memcpy(arg.oob_req_reply.bd_addr, bd_addr, ESP_BD_ADDR_LEN);
arg.oob_req_reply.len = len;
arg.oob_req_reply.p_value = TK;
return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gap_args_t), btc_gap_ble_arg_deep_copy)
== BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}
#endif /* #if (SMP_INCLUDED == TRUE) */
esp_err_t esp_ble_gap_disconnect(esp_bd_addr_t remote_device)

19
components/bt/bluedroid/api/include/api/esp_gap_ble_api.h
View file

@ -54,6 +54,7 @@ typedef uint8_t esp_ble_key_type_t;
#define ESP_LE_AUTH_NO_BOND 0x00 /*!< 0*/ /* relate to BTM_LE_AUTH_NO_BOND in stack/btm_api.h */
#define ESP_LE_AUTH_BOND 0x01 /*!< 1 << 0 */ /* relate to BTM_LE_AUTH_BOND in stack/btm_api.h */
#define ESP_LE_AUTH_REQ_MITM (1 << 2) /*!< 1 << 2 */ /* relate to BTM_LE_AUTH_REQ_MITM in stack/btm_api.h */
#define ESP_LE_AUTH_REQ_BOND_MITM (ESP_LE_AUTH_BOND | ESP_LE_AUTH_REQ_MITM)/*!< 0101*/
#define ESP_LE_AUTH_REQ_SC_ONLY (1 << 3) /*!< 1 << 3 */ /* relate to BTM_LE_AUTH_REQ_SC_ONLY in stack/btm_api.h */
#define ESP_LE_AUTH_REQ_SC_BOND (ESP_LE_AUTH_BOND | ESP_LE_AUTH_REQ_SC_ONLY) /*!< 1001 */ /* relate to BTM_LE_AUTH_REQ_SC_BOND in stack/btm_api.h */
#define ESP_LE_AUTH_REQ_SC_MITM (ESP_LE_AUTH_REQ_MITM | ESP_LE_AUTH_REQ_SC_ONLY) /*!< 1100 */ /* relate to BTM_LE_AUTH_REQ_SC_MITM in stack/btm_api.h */
@ -63,6 +64,9 @@ typedef uint8_t esp_ble_auth_req_t; /*!< combination of the above bit
#define ESP_BLE_ONLY_ACCEPT_SPECIFIED_AUTH_DISABLE 0
#define ESP_BLE_ONLY_ACCEPT_SPECIFIED_AUTH_ENABLE 1
#define ESP_BLE_OOB_DISABLE 0
#define ESP_BLE_OOB_ENABLE 1
/* relate to BTM_IO_CAP_xxx in stack/btm_api.h */
#define ESP_IO_CAP_OUT 0 /*!< DisplayOnly */ /* relate to BTM_IO_CAP_OUT in stack/btm_api.h */
#define ESP_IO_CAP_IO 1 /*!< DisplayYesNo */ /* relate to BTM_IO_CAP_IO in stack/btm_api.h */
@ -270,6 +274,7 @@ typedef enum {
ESP_BLE_SM_SET_STATIC_PASSKEY,
ESP_BLE_SM_CLEAR_STATIC_PASSKEY,
ESP_BLE_SM_ONLY_ACCEPT_SPECIFIED_SEC_AUTH,
ESP_BLE_SM_OOB_SUPPORT,
ESP_BLE_SM_MAX_PARAM,
} esp_ble_sm_param_t;
@ -1116,6 +1121,20 @@ int esp_ble_get_bond_device_num(void);
*/
esp_err_t esp_ble_get_bond_device_list(int *dev_num, esp_ble_bond_dev_t *dev_list);
/**
* @brief This function is called to provide the OOB data for
* SMP in response to ESP_GAP_BLE_OOB_REQ_EVT
*
* @param[in] bd_addr: BD address of the peer device.
* @param[in] TK: TK value, the TK value shall be a 128-bit random number
* @param[in] len: length of tk, should always be 128-bit
*
* @return - ESP_OK : success
* - other : failed
*
*/
esp_err_t esp_ble_oob_req_reply(esp_bd_addr_t bd_addr, uint8_t *TK, uint8_t len);
#endif /* #if (SMP_INCLUDED == TRUE) */
/**

15
components/bt/bluedroid/bta/dm/bta_dm_act.c
View file

@ -1150,6 +1150,21 @@ void bta_dm_loc_oob(tBTA_DM_MSG *p_data)
BTM_ReadLocalOobData();
}
/*******************************************************************************
**
** Function bta_dm_oob_reply
**
** Description This function is called to provide the OOB data for
** SMP in response to BLE OOB request.
**
** Returns void
**
*******************************************************************************/
void bta_dm_oob_reply(tBTA_DM_MSG *p_data)
{
BTM_BleOobDataReply(p_data->oob_reply.bd_addr, BTM_SUCCESS, p_data->oob_reply.len, p_data->oob_reply.value);
}
/*******************************************************************************
**
** Function bta_dm_ci_io_req_act

30
components/bt/bluedroid/bta/dm/bta_dm_api.c
View file

@ -510,6 +510,36 @@ void BTA_DmLocalOob(void)
bta_sys_sendmsg(p_msg);
}
}
/*******************************************************************************
**
** Function BTA_DmOobReply
**
** This function is called to provide the OOB data for
** SMP in response to BTM_LE_OOB_REQ_EVT
**
** Parameters: bd_addr - Address of the peer device
** len - length of simple pairing Randomizer C
** p_value - simple pairing Randomizer C.
**
** Returns void
**
*******************************************************************************/
void BTA_DmOobReply(BD_ADDR bd_addr, UINT8 len, UINT8 *p_value)
{
tBTA_DM_API_OOB_REPLY *p_msg;
if ((p_msg = (tBTA_DM_API_OOB_REPLY *) osi_malloc(sizeof(tBTA_DM_API_OOB_REPLY))) != NULL) {
p_msg->hdr.event = BTA_DM_API_OOB_REPLY_EVT;
if(p_value == NULL || len > BT_OCTET16_LEN) {
return;
}
memcpy(p_msg->bd_addr, bd_addr, BD_ADDR_LEN);
p_msg->len = len;
memcpy(p_msg->value, p_value, len);
bta_sys_sendmsg(p_msg);
}
}
#endif /* BTM_OOB_INCLUDED */
/*******************************************************************************
**

23
components/bt/bluedroid/bta/dm/bta_dm_co.c
View file

@ -35,6 +35,9 @@
#define BTM_BLE_ONLY_ACCEPT_SPECIFIED_SEC_AUTH_DISABLE 0
#define BTM_BLE_ONLY_ACCEPT_SPECIFIED_SEC_AUTH_ENABLE 1
#define BTM_BLE_OOB_DISABLE 0
#define BTM_BLE_OOB_ENABLE 1
tBTE_APPL_CFG bte_appl_cfg = {
#if SMP_INCLUDED == TRUE
BTA_LE_AUTH_REQ_SC_MITM_BOND, // Authentication requirements
@ -45,7 +48,8 @@ tBTE_APPL_CFG bte_appl_cfg = {
BTM_BLE_INITIATOR_KEY_SIZE,
BTM_BLE_RESPONDER_KEY_SIZE,
BTM_BLE_MAX_KEY_SIZE,
BTM_BLE_ONLY_ACCEPT_SPECIFIED_SEC_AUTH_DISABLE
BTM_BLE_ONLY_ACCEPT_SPECIFIED_SEC_AUTH_DISABLE,
BTM_BLE_OOB_DISABLE,
};
#endif
@ -338,12 +342,16 @@ void bta_dm_co_ble_io_req(BD_ADDR bd_addr, tBTA_IO_CAP *p_io_cap,
* If the answer can not be obtained right away,
* set *p_oob_data to BTA_OOB_UNKNOWN and call bta_dm_ci_io_req() when the answer is available */
*p_oob_data = FALSE;
*p_oob_data = bte_appl_cfg.oob_support;
/* *p_auth_req by default is FALSE for devices with NoInputNoOutput; TRUE for other devices. */
*p_auth_req = bte_appl_cfg.ble_auth_req | (bte_appl_cfg.ble_auth_req & BTA_LE_AUTH_REQ_MITM) | ((*p_auth_req) & BTA_LE_AUTH_REQ_MITM);
if (*p_oob_data == BTM_BLE_OOB_ENABLE) {
*p_auth_req = (*p_auth_req)&(~BTA_LE_AUTH_REQ_SC_ONLY);
}
if (bte_appl_cfg.ble_io_cap <= 4) {
*p_io_cap = bte_appl_cfg.ble_io_cap;
}
@ -433,5 +441,16 @@ UINT8 bta_dm_co_ble_get_auth_req(void)
return 0;
}
void bta_dm_co_ble_oob_support(UINT8 enable)
{
#if (SMP_INCLUDED == TRUE)
if (enable) {
bte_appl_cfg.oob_support = BTM_BLE_OOB_ENABLE;
} else {
bte_appl_cfg.oob_support = BTM_BLE_OOB_DISABLE;
}
#endif ///SMP_INCLUDED == TRUE
}
#endif

1
components/bt/bluedroid/bta/dm/bta_dm_main.c
View file

@ -82,6 +82,7 @@ const tBTA_DM_ACTION bta_dm_action[BTA_DM_MAX_EVT] = {
#endif ///SMP_INCLUDED == TRUE
#if (BTM_OOB_INCLUDED == TRUE && SMP_INCLUDED == TRUE)
bta_dm_loc_oob, /* BTA_DM_API_LOC_OOB_EVT */
bta_dm_oob_reply, /* BTA_DM_API_OOB_REPLY_EVT */
bta_dm_ci_io_req_act, /* BTA_DM_CI_IO_REQ_EVT */
bta_dm_ci_rmt_oob_act, /* BTA_DM_CI_RMT_OOB_EVT */
#endif /* BTM_OOB_INCLUDED */

11
components/bt/bluedroid/bta/dm/include/bta_dm_int.h
View file

@ -79,6 +79,7 @@ enum {
#endif ///SMP_INCLUDED == TRUE
#if (BTM_OOB_INCLUDED == TRUE && SMP_INCLUDED == TRUE)
BTA_DM_API_LOC_OOB_EVT,
BTA_DM_API_OOB_REPLY_EVT,
BTA_DM_CI_IO_REQ_EVT,
BTA_DM_CI_RMT_OOB_EVT,
#endif /* BTM_OOB_INCLUDED */
@ -298,6 +299,14 @@ typedef struct {
BT_HDR hdr;
} tBTA_DM_API_LOC_OOB;
/* data type for BTA_DM_API_OOB_REPLY_EVT */
typedef struct {
BT_HDR hdr;
BD_ADDR bd_addr;
UINT8 len;
UINT8 value[BT_OCTET16_LEN];
} tBTA_DM_API_OOB_REPLY;
/* data type for BTA_DM_API_CONFIRM_EVT */
typedef struct {
BT_HDR hdr;
@ -779,6 +788,7 @@ typedef union {
tBTA_DM_API_PIN_REPLY pin_reply;
tBTA_DM_API_LOC_OOB loc_oob;
tBTA_DM_API_OOB_REPLY oob_reply;
tBTA_DM_API_CONFIRM confirm;
tBTA_DM_API_KEY_REQ key_req;
tBTA_DM_CI_IO_REQ ci_io_req;
@ -1266,6 +1276,7 @@ extern void bta_dm_confirm(tBTA_DM_MSG *p_data);
extern void bta_dm_key_req(tBTA_DM_MSG *p_data);
#if (BTM_OOB_INCLUDED == TRUE)
extern void bta_dm_loc_oob(tBTA_DM_MSG *p_data);
extern void bta_dm_oob_reply(tBTA_DM_MSG *p_data);
extern void bta_dm_ci_io_req_act(tBTA_DM_MSG *p_data);
extern void bta_dm_ci_rmt_oob_act(tBTA_DM_MSG *p_data);
#endif /* BTM_OOB_INCLUDED */

16
components/bt/bluedroid/bta/include/bta/bta_api.h
View file

@ -1611,6 +1611,22 @@ extern void BTA_DmPinReply(BD_ADDR bd_addr, BOOLEAN accept, UINT8 pin_len,
**
*******************************************************************************/
extern void BTA_DmLocalOob(void);
/*******************************************************************************
**
** Function BTA_DmOobReply
**
** This function is called to provide the OOB data for
** SMP in response to BTM_LE_OOB_REQ_EVT
**
** Parameters: bd_addr - Address of the peer device
** len - length of simple pairing Randomizer C
** p_value - simple pairing Randomizer C.
**
** Returns void
**
*******************************************************************************/
extern void BTA_DmOobReply(BD_ADDR bd_addr, UINT8 len, UINT8 *p_value);
#endif /* BTM_OOB_INCLUDED */
/*******************************************************************************

2
components/bt/bluedroid/bta/include/bta/bta_dm_co.h
View file

@ -210,4 +210,6 @@ extern void bta_dm_co_ble_set_accept_auth_enable(UINT8 enable);
extern UINT8 bta_dm_co_ble_get_accept_auth_enable(void);
extern UINT8 bta_dm_co_ble_get_auth_req(void);
extern void bta_dm_co_ble_oob_support(UINT8 enable);
#endif

31
components/bt/bluedroid/btc/profile/std/gap/btc_gap_ble.c
View file

@ -931,6 +931,21 @@ void btc_gap_ble_arg_deep_copy(btc_msg_t *msg, void *p_dest, void *p_src)
}
break;
}
case BTC_GAP_BLE_OOB_REQ_REPLY_EVT: {
btc_ble_gap_args_t *src = (btc_ble_gap_args_t *)p_src;
btc_ble_gap_args_t *dst = (btc_ble_gap_args_t *) p_dest;
uint8_t length = 0;
if (src->oob_req_reply.p_value) {
length = dst->oob_req_reply.len;
dst->oob_req_reply.p_value = osi_malloc(length);
if (dst->oob_req_reply.p_value != NULL) {
memcpy(dst->oob_req_reply.p_value, src->oob_req_reply.p_value, length);
} else {
BTC_TRACE_ERROR("%s %d no mem\n",__func__, msg->act);
}
}
break;
}
default:
BTC_TRACE_ERROR("Unhandled deep copy %d\n", msg->act);
break;
@ -986,6 +1001,13 @@ void btc_gap_ble_arg_deep_free(btc_msg_t *msg)
}
break;
}
case BTC_GAP_BLE_OOB_REQ_REPLY_EVT: {
uint8_t *value = ((btc_ble_gap_args_t *)msg->arg)->oob_req_reply.p_value;
if (value) {
osi_free(value);
}
break;
}
default:
BTC_TRACE_DEBUG("Unhandled deep free %d\n", msg->act);
break;
@ -1144,6 +1166,12 @@ void btc_gap_ble_call_handler(btc_msg_t *msg)
bta_dm_co_ble_set_accept_auth_enable(enable);
break;
}
case ESP_BLE_SM_OOB_SUPPORT: {
uint8_t enable = 0;
STREAM_TO_UINT8(enable, value);
bta_dm_co_ble_oob_support(enable);
break;
}
default:
break;
}
@ -1174,6 +1202,9 @@ void btc_gap_ble_call_handler(btc_msg_t *msg)
BTA_DmRemoveDevice(bd_addr, BT_TRANSPORT_LE);
break;
}
case BTC_GAP_BLE_OOB_REQ_REPLY_EVT:
BTA_DmOobReply(arg->oob_req_reply.bd_addr, arg->oob_req_reply.len, arg->oob_req_reply.p_value);
break;
#endif ///SMP_INCLUDED == TRUE
case BTC_GAP_BLE_DISCONNECT_EVT:
btc_ble_disconnect(arg->disconnect.remote_device);

7
components/bt/bluedroid/btc/profile/std/include/btc_gap_ble.h
View file

@ -46,6 +46,7 @@ typedef enum {
BTC_GAP_BLE_CONFIRM_REPLY_EVT,
BTC_GAP_BLE_DISCONNECT_EVT,
BTC_GAP_BLE_REMOVE_BOND_DEV_EVT,
BTC_GAP_BLE_OOB_REQ_REPLY_EVT,
} btc_gap_ble_act_t;
/* btc_ble_gap_args_t */
@ -144,6 +145,12 @@ typedef union {
esp_bd_addr_t bd_addr;
bool accept;
} enc_comfirm_replay;
//BTC_GAP_BLE_OOB_DATA_REPLY_EVT
struct oob_req_reply_args {
esp_bd_addr_t bd_addr;
uint8_t len;
uint8_t *p_value;
} oob_req_reply;
//BTC_GAP_BLE_DISCONNECT_EVT
struct disconnect_args {
esp_bd_addr_t remote_device;

1
components/bt/bluedroid/common/include/common/bte_appl.h
View file

@ -32,6 +32,7 @@ typedef struct {
UINT8 ble_resp_key;
UINT8 ble_max_key_size;
UINT8 ble_accept_auth_enable;
UINT8 oob_support;
#endif
} tBTE_APPL_CFG;

12
examples/bluetooth/gatt_security_client/main/example_ble_sec_gattc_demo.c
View file

@ -139,6 +139,9 @@ static char *esp_auth_req_to_str(esp_ble_auth_req_t auth_req)
case ESP_LE_AUTH_REQ_MITM:
auth_str = "ESP_LE_AUTH_REQ_MITM";
break;
case ESP_LE_AUTH_REQ_BOND_MITM:
auth_str = "ESP_LE_AUTH_REQ_BOND_MITM";
break;
case ESP_LE_AUTH_REQ_SC_ONLY:
auth_str = "ESP_LE_AUTH_REQ_SC_ONLY";
break;
@ -384,9 +387,12 @@ static void esp_gap_cb(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *par
//esp_ble_passkey_reply(gl_profile_tab[PROFILE_A_APP_ID].remote_bda, true, 0x00);
ESP_LOGI(GATTC_TAG, "ESP_GAP_BLE_PASSKEY_REQ_EVT");
break;
case ESP_GAP_BLE_OOB_REQ_EVT: /* OOB request event */
case ESP_GAP_BLE_OOB_REQ_EVT: {
ESP_LOGI(GATTC_TAG, "ESP_GAP_BLE_OOB_REQ_EVT");
uint8_t tk[16] = {1}; //If you paired with OOB, both devices need to use the same tk
esp_ble_oob_req_reply(param->ble_security.ble_req.bd_addr, tk, sizeof(tk));
break;
}
case ESP_GAP_BLE_LOCAL_IR_EVT: /* BLE local IR event */
ESP_LOGI(GATTC_TAG, "ESP_GAP_BLE_LOCAL_IR_EVT");
break;
@ -563,14 +569,16 @@ void app_main()
}
/* set the security iocap & auth_req & key size & init key response key parameters to the stack*/
esp_ble_auth_req_t auth_req = ESP_LE_AUTH_BOND; //bonding with peer device after authentication
esp_ble_auth_req_t auth_req = ESP_LE_AUTH_REQ_SC_MITM_BOND; //bonding with peer device after authentication
esp_ble_io_cap_t iocap = ESP_IO_CAP_NONE; //set the IO capability to No output No input
uint8_t key_size = 16; //the key size should be 7~16 bytes
uint8_t init_key = ESP_BLE_ENC_KEY_MASK | ESP_BLE_ID_KEY_MASK;
uint8_t rsp_key = ESP_BLE_ENC_KEY_MASK | ESP_BLE_ID_KEY_MASK;
uint8_t oob_support = ESP_BLE_OOB_DISABLE;
esp_ble_gap_set_security_param(ESP_BLE_SM_AUTHEN_REQ_MODE, &auth_req, sizeof(uint8_t));
esp_ble_gap_set_security_param(ESP_BLE_SM_IOCAP_MODE, &iocap, sizeof(uint8_t));
esp_ble_gap_set_security_param(ESP_BLE_SM_MAX_KEY_SIZE, &key_size, sizeof(uint8_t));
esp_ble_gap_set_security_param(ESP_BLE_SM_OOB_SUPPORT, &oob_support, sizeof(uint8_t));
/* If your BLE device act as a Slave, the init_key means you hope which types of key of the master should distribut to you,
and the response key means which key you can distribut to the Master;
If your BLE device act as a master, the response key means you hope which types of key of the slave should distribut to you,

12
examples/bluetooth/gatt_security_server/main/example_ble_sec_gatts_demo.c
View file

@ -240,6 +240,9 @@ static char *esp_auth_req_to_str(esp_ble_auth_req_t auth_req)
case ESP_LE_AUTH_REQ_MITM:
auth_str = "ESP_LE_AUTH_REQ_MITM";
break;
case ESP_LE_AUTH_REQ_BOND_MITM:
auth_str = "ESP_LE_AUTH_REQ_BOND_MITM";
break;
case ESP_LE_AUTH_REQ_SC_ONLY:
auth_str = "ESP_LE_AUTH_REQ_SC_ONLY";
break;
@ -318,9 +321,12 @@ static void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GAP_BLE_PASSKEY_REQ_EVT");
//esp_ble_passkey_reply(heart_rate_profile_tab[HEART_PROFILE_APP_IDX].remote_bda, true, 0x00);
break;
case ESP_GAP_BLE_OOB_REQ_EVT: /* OOB request event */
case ESP_GAP_BLE_OOB_REQ_EVT: {
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GAP_BLE_OOB_REQ_EVT");
uint8_t tk[16] = {1}; //If you paired with OOB, both devices need to use the same tk
esp_ble_oob_req_reply(param->ble_security.ble_req.bd_addr, tk, sizeof(tk));
break;
}
case ESP_GAP_BLE_LOCAL_IR_EVT: /* BLE local IR event */
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GAP_BLE_LOCAL_IR_EVT");
break;
@ -553,7 +559,7 @@ void app_main()
}
/* set the security iocap & auth_req & key size & init key response key parameters to the stack*/
esp_ble_auth_req_t auth_req = ESP_LE_AUTH_BOND; //bonding with peer device after authentication
esp_ble_auth_req_t auth_req = ESP_LE_AUTH_REQ_SC_MITM_BOND; //bonding with peer device after authentication
esp_ble_io_cap_t iocap = ESP_IO_CAP_NONE; //set the IO capability to No output No input
uint8_t key_size = 16; //the key size should be 7~16 bytes
uint8_t init_key = ESP_BLE_ENC_KEY_MASK | ESP_BLE_ID_KEY_MASK;
@ -561,11 +567,13 @@ void app_main()
//set static passkey
uint32_t passkey = 123456;
uint8_t auth_option = ESP_BLE_ONLY_ACCEPT_SPECIFIED_AUTH_DISABLE;
uint8_t oob_support = ESP_BLE_OOB_DISABLE;
esp_ble_gap_set_security_param(ESP_BLE_SM_SET_STATIC_PASSKEY, &passkey, sizeof(uint32_t));
esp_ble_gap_set_security_param(ESP_BLE_SM_AUTHEN_REQ_MODE, &auth_req, sizeof(uint8_t));
esp_ble_gap_set_security_param(ESP_BLE_SM_IOCAP_MODE, &iocap, sizeof(uint8_t));
esp_ble_gap_set_security_param(ESP_BLE_SM_MAX_KEY_SIZE, &key_size, sizeof(uint8_t));
esp_ble_gap_set_security_param(ESP_BLE_SM_ONLY_ACCEPT_SPECIFIED_SEC_AUTH, &auth_option, sizeof(uint8_t));
esp_ble_gap_set_security_param(ESP_BLE_SM_OOB_SUPPORT, &oob_support, sizeof(uint8_t));
/* If your BLE device act as a Slave, the init_key means you hope which types of key of the master should distribut to you,
and the response key means which key you can distribut to the Master;
If your BLE device act as a master, the response key means you hope which types of key of the slave should distribut to you,