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Add secure connection for just works in provisioning app for bluedroid 

This MR adds support of secure connection, encryption flags to characteristics and bonding with Just Work as association model

[BLE Provisioning] Added secure connection pairing support to unified provisioning framework.
pull/6828/head
Rahul Tank 2021-03-24 16:02:19 +05:30 zatwierdzone przez bot
rodzic b9efd5d8dd
commit 105497f861
2 zmienionych plików z 19 dodań i 1 usunięć
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17
components/protocomm/src/simple_ble/simple_ble.c
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@ -62,6 +62,9 @@ static void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param
esp_ble_gap_start_advertising(&g_ble_cfg_p->adv_params);
}
break;
case ESP_GAP_BLE_SEC_REQ_EVT:
esp_ble_gap_security_rsp(param->ble_security.ble_req.bd_addr, true);
break;
default:
break;
}
@ -272,6 +275,20 @@ esp_err_t simple_ble_start(simple_ble_cfg_t *cfg)
ESP_LOGE(TAG, "set local MTU failed, error code = 0x%x", local_mtu_ret);
}
ESP_LOGD(TAG, "Free mem at end of simple_ble_init %d", esp_get_free_heap_size());
/* 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_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;
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_SET_INIT_KEY, &init_key, sizeof(uint8_t));
esp_ble_gap_set_security_param(ESP_BLE_SM_SET_RSP_KEY, &rsp_key, sizeof(uint8_t));
return ESP_OK;
}

3
components/protocomm/src/transports/protocomm_ble.c
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@ -393,7 +393,8 @@ static ssize_t populate_gatt_db(esp_gatts_attr_db_t **gatt_db_generated)
(*gatt_db_generated)[i].att_desc.value = (uint8_t *) &character_prop_read_write;
} else if (i % 3 == 2) {
/* Characteristic Value */
(*gatt_db_generated)[i].att_desc.perm = ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE;
(*gatt_db_generated)[i].att_desc.perm = ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE | \
ESP_GATT_PERM_READ_ENCRYPTED | ESP_GATT_PERM_WRITE_ENCRYPTED;
(*gatt_db_generated)[i].att_desc.uuid_length = ESP_UUID_LEN_128;
(*gatt_db_generated)[i].att_desc.uuid_p = protoble_internal->g_nu_lookup[i / 3].uuid128;
(*gatt_db_generated)[i].att_desc.max_length = CHAR_VAL_LEN_MAX;