TWI649701B - Vehicle-mounted device and secure communication method - Google Patents

Abstract

An in-vehicle device includes: a memory for storing a plurality of instructions; and a processor for loading the instructions to perform the steps of: paging a mobile terminal having a wireless communication function, causing at least one to have wireless communication The functioning mobile terminal sends a pairing request to the in-vehicle device when scanning the page; sending an inquiry message to the mobile terminal to query the pairing mode, each pairing mode having a preset pairing password and The in-vehicle system opened in the pairing mode; determining whether the pairing password sent by the mobile terminal is a preset pairing password corresponding to the selected pairing mode; if so, establishing a wireless communication connection with the mobile terminal, thereby allowing the The mobile terminal accesses the in-vehicle system that is open in the selected pairing mode.

Description

Vehicle-mounted device and vehicle safety interaction method

The present invention relates to an in-vehicle device and an in-vehicle secure interaction method applied to the in-vehicle device.

After the vehicle is sent for repair, how to ensure personal privacy and security issues is getting more and more attention. At present, when troubleshooting a vehicle, the maintenance personnel usually need to remove the specific components of the vehicle and connect the diagnostic device via the controller area network (CAN) bus to the diagnostic diagnostic system. . Although this method keeps the vehicle closed during the maintenance process to ensure safety, the disassembly process may result in excessive maintenance time and damage during disassembly and assembly.

In view of the above, it is necessary to provide an in-vehicle security interaction method applied to an in-vehicle device, which can solve the above problems.

In addition, it is also necessary to provide an in-vehicle device.

The present invention provides an in-vehicle device capable of communicating with at least one in-vehicle system, the in-vehicle device comprising: a memory for storing a plurality of instructions; and a processor for loading the instructions to perform the following steps: Placing a mobile terminal having a wireless communication function within a valid range, so that at least one mobile terminal having a wireless communication function transmits a pairing request to the in-vehicle device when scanning the page; when the in-vehicle device receives Sending, by the pairing request, an inquiry message to the mobile terminal to query the mobile terminal for pairing mode, so that the mobile terminal selects one of the pairing modes and sends a pairing password, wherein each pairing mode Having a corresponding preset pairing password; determining whether the pairing password sent by the mobile terminal is a preset pairing password corresponding to the selected pairing mode; and when the pairing password sent by the mobile terminal is the selected pairing Establishing a wireless communication connection with the mobile terminal when the mode corresponds to a preset pairing password, thereby allowing the Pairing mode mobile terminal by means of the vehicle being open to access the selected vehicle system.

The present invention also provides an in-vehicle security interaction method, which is applied to an in-vehicle device capable of communicating with at least one in-vehicle system, the method of in-vehicle security interaction comprising: paging a mobile having a wireless communication function within an effective range The terminal, when the mobile terminal having the wireless communication function scans the page, sends a pairing request to the in-vehicle device; when the in-vehicle device receives the pairing request, sends the pairing request to the mobile terminal Inquiring information to query the pairing mode in which the mobile terminal performs pairing, so that the mobile terminal selects one of the pairing modes and sends a pairing password, wherein each pairing mode has a corresponding preset pairing password; determining the movement Whether the pairing password sent by the terminal is a preset pairing password corresponding to the pairing mode selected by the terminal; and when the pairing password sent by the mobile terminal is a preset pairing password corresponding to the selected pairing mode, The mobile terminal establishes a wireless communication connection, thereby allowing the mobile terminal to use the vehicle-mounted device Asked pairing mode selected by an open in-vehicle systems.

In the embodiment of the present invention, the in-vehicle device inquires the pairing mode in advance, and when the pairing password provided by the mobile terminal matches the pairing mode, the wireless communication connection is established to open the corresponding in-vehicle system in the pairing mode. Different in-vehicle systems that are readable by different pairing modes are different, thereby improving the security of data interaction between the in-vehicle device and the mobile terminal by the above-mentioned hierarchical matching mechanism, and further eliminating the disassembly of the interior components, Connections such as CAN busbars and diagnostics help reduce the time required for repairs and avoid disassembly.

1 illustrates an in-vehicle device 1 in accordance with a preferred embodiment of the present invention that is capable of wirelessly communicating with a mobile terminal 2. The vehicle-mounted device 1 is mounted in a vehicle (not shown), and the vehicle-mounted device 1 can also perform wired or wireless communication with a vehicle computer (not shown) in the vehicle. The vehicle can be broadly interpreted to include any suitable motor vehicle, vessel, all terrain vehicle, aircraft, or any other similar device. The mobile terminal 2 can be a portable electronic device such as a smart phone, a tablet computer, or a multimedia player.

The in-vehicle system installed in the vehicle computer includes an in-vehicle information system and an in-vehicle multimedia system. The vehicle information system includes an electronic instrument, an intelligent transportation system (ITS), a global positioning system (GPS), a computer network communication system, a vehicle short-range wireless communication system, a state monitoring and fault diagnosis system, and the like. The in-vehicle multimedia system is mainly an entertainment device such as an audio device and a car video player.

The vehicle-mounted device 1 includes a memory 10 and a processor 20. The memory 10 is used to store an in-vehicle secure interaction system 100. The in-vehicle secure interaction system 100 includes one or more program modules consisting of code. The processor 20 is configured to load and execute various program modules of the in-vehicle secure interaction system 100.

In the embodiment, the in-vehicle security interaction system 100 includes a wireless communication module 101, an inquiry module 102, an authentication module 103, and an execution module 104. The specific functions of each program module will be described below with reference to FIG.

Referring to FIG. 2, a preferred embodiment of the present invention provides an in-vehicle security interaction method, which includes the following steps:

Step S21: The wireless communication module 101 pages the mobile terminal 2 having the wireless communication function within the effective range, so that at least one mobile terminal 2 having the wireless communication function can scan the page to the The in-vehicle device 1 transmits a pairing request. In this embodiment, the wireless communication module 101 uses end-to-end technology for communication. Preferably, the wireless communication module 101 uses LTE-Direct technology for communication.

Step S22: When the in-vehicle device 1 receives the pairing request, the inquiry module 102 sends an inquiry message to the mobile terminal 2 to inquire the pairing mode of the pairing by the mobile terminal 2, so that the The mobile terminal 2 selects one of the pairing modes as needed and transmits the required pairing password. The pairing mode includes a vehicle owner mode, a depot mode, and a passenger mode. Each pairing mode has a preset pairing passcode and an onboard system that is open in the pairing mode. The correspondence between each pairing mode, the preset pairing password, and the in-vehicle system opened in the pairing mode is stored in the memory.

Referring to FIG. 3, in the embodiment, the query information is used to control the mobile terminal 2 to display a user operation interface 200. The user operation interface 200 is configured to display a first option 201, a second option 202, and a third option 203 corresponding to the owner mode, the depot mode, and the passenger mode, respectively, for the user to perform select. When the user selects one of the first option 201, the second option 202, and the third option 203, the corresponding pairing mode is selected.

Step S23: The authentication module 103 determines whether the pairing password sent by the mobile terminal 2 is a preset pairing password corresponding to the selected pairing mode, and if yes, proceeds to step S24; otherwise, returns to step S22.

Step S24: The execution module 104 establishes a wireless communication connection (such as an LTE-Direct connection) with the mobile terminal 2, thereby allowing the mobile terminal 2 to be opened by the in-vehicle device 1 in the selected pairing mode. Onboard system.

Wherein, when the user of the mobile terminal 2 is the owner of the vehicle, the user can select the owner mode by the mobile terminal 2. The preset pairing password corresponding to the owner mode includes a vehicle owner password. The in-vehicle system that is open in the vehicle owner mode includes an in-vehicle information system and a vehicle-mounted multimedia system, so that a user of the mobile terminal 2 can read the in-vehicle information system and the in-vehicle multimedia system by the in-vehicle device 1 Perform an access action to understand the status of the vehicle and the services for uploading or downloading the in-vehicle multimedia system.

When the user of the mobile terminal 2 is a maintenance person, the user can select the depot mode by the mobile terminal 2. The preset pairing password corresponding to the depot mode includes the original password of the vehicle and the owner authorization code. The in-vehicle system that is open in the depot mode is only an in-vehicle information system, so that the user of the mobile terminal 2 can access the in-vehicle information system by the in-vehicle device 1 to achieve vehicle maintenance. demand.

When the user of the mobile terminal 2 is a passenger of the vehicle, the user can select the passenger mode by the mobile terminal 2. The preset pairing password corresponding to the passenger mode includes a passenger password. The in-vehicle system that is open in the passenger mode is only an in-vehicle multimedia system, so that the user of the mobile terminal 2 can read the in-vehicle multimedia system by the in-vehicle device 1 to provide in-vehicle multimedia services to passengers.

In the present invention, the in-vehicle device 1 inquires of the pairing mode in advance, and when the pairing password provided by the mobile terminal 2 matches the pairing mode, the connection is established to open the corresponding in-vehicle system in the pairing mode. The readable in-vehicle system is different in different pairing modes, so that the security of data interaction between the in-vehicle device 1 and the mobile terminal 2 is improved by the above-described hierarchical matching mechanism. In addition, the removal of the interior parts, the connection of the CAN bus and the diagnostics are eliminated, which helps to reduce the time required for maintenance and to avoid disassembly and damage.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to be limiting. Although the present invention has been described in detail with reference to the preferred embodiments thereof, those skilled in the art Modifications or equivalents are not to be construed as a departure from the spirit and scope of the invention.

1‧‧‧Vehicle device

2‧‧‧Mobile terminal

10‧‧‧ memory

20‧‧‧ processor

100‧‧‧Car Safety Interactive System

101‧‧‧Wireless communication module

102‧‧‧Inquiry Module

103‧‧‧Certificate Module

104‧‧‧Execution module

200‧‧‧User interface

201‧‧‧ first option

202‧‧‧Second option

203‧‧‧ third option

1 is a block diagram of a module of an in-vehicle device according to a preferred embodiment of the present invention.

2 is a flow chart of a method for vehicle safety interaction in a preferred embodiment of the present invention.

FIG. 3 is a schematic diagram of a user operation interface displayed in the vehicle safety interaction method shown in FIG. 2. FIG.

no

Claims (10)

An in-vehicle device capable of communicating with at least one in-vehicle system, the in-vehicle device comprising: a memory for storing a plurality of instructions; and a processor for loading the instructions to perform the following steps: Placing a mobile terminal having a wireless communication function, so that at least one mobile terminal having a wireless communication function transmits a pairing request to the in-vehicle device when scanning the page; when the in-vehicle device receives the pairing Sending, upon request, an inquiry message to the mobile terminal to query the mobile terminal for pairing mode, so that the mobile terminal selects one of the pairing modes and sends a pairing password, wherein each pairing mode has a pre- Setting a pairing password and an in-vehicle system that is open in the pairing mode; determining whether the pairing password sent by the mobile terminal is a preset pairing password corresponding to the selected pairing mode; and when the pairing sent by the mobile terminal When the password is a preset pairing password corresponding to the selected pairing mode, the mobile terminal establishes no Communication link, thereby allowing the mobile terminal by the vehicle-mounted device pairing mode access by the selected open-vehicle system. The in-vehicle device of claim 1, wherein the in-vehicle device communicates using LTE-Direct technology. The vehicle-mounted device according to claim 1, wherein the pairing mode includes a vehicle owner mode, a vehicle factory mode, and a passenger mode, and the vehicle-mounted system opened in the vehicle owner mode includes an in-vehicle information system and an in-vehicle multimedia system, The in-vehicle system opened in the depot mode is only an in-vehicle information system, and the in-vehicle system opened in the passenger mode is only an in-vehicle multimedia system. The vehicle-mounted device of claim 3, wherein the preset pairing password corresponding to the owner mode includes a vehicle owner password, and the preset pairing password corresponding to the vehicle factory mode includes a vehicle original password and a vehicle owner authorization code. The preset pairing password corresponding to the passenger mode includes a passenger password. The in-vehicle device of claim 3, wherein the query information is used to control the mobile terminal to display a user operation interface, and the user operation interface is configured to display a first option, a second An option and a third option respectively correspond to the owner mode, the depot mode, and the passenger mode. An in-vehicle safety interaction method is applied to an in-vehicle device capable of communicating with at least one in-vehicle system, the in-vehicle security interaction method comprising: paging a mobile terminal having a wireless communication function within an effective range, so that at least a mobile terminal having a wireless communication function transmits a pairing request to the in-vehicle device when scanning the page; and when the in-vehicle device receives the pairing request, sending an inquiry message to the mobile terminal, Inquiring the pairing mode in which the mobile terminal performs pairing, causing the mobile terminal to select one of the pairing modes and send a pairing password, wherein each pairing mode has a preset pairing password and the vehicle that is open in the pairing mode a system: determining whether the pairing password sent by the mobile terminal is a preset pairing password corresponding to the selected pairing mode; and when the pairing password sent by the mobile terminal is a preset pairing corresponding to the pairing mode selected by the mobile terminal a password, establishing a wireless communication connection with the mobile terminal to allow the movement The terminal accesses the in-vehicle system opened in the selected pairing mode by the in-vehicle device. The in-vehicle security interaction method according to claim 6, wherein the in-vehicle device uses LTE-Direct technology for communication. The vehicle safety interaction method according to claim 6, wherein the pairing mode includes a vehicle owner mode, a depot mode, and a passenger mode, and the in-vehicle system opened in the vehicle owner mode includes an in-vehicle information system and a vehicle-mounted multimedia system. The in-vehicle system opened in the depot mode is only an in-vehicle information system, and the in-vehicle system opened in the passenger mode is only an in-vehicle multimedia system. The vehicle safety interaction method of claim 8, wherein the preset pairing password corresponding to the owner mode includes a vehicle owner password, and the preset pairing password corresponding to the vehicle factory mode includes a vehicle original password and a vehicle owner authorization. The code, the preset pairing password corresponding to the passenger mode includes a passenger password. The vehicular security interaction method of claim 8, wherein the query information is used to control the mobile terminal to display a user operation interface, and the user operation interface is configured to display a first option, The second option and a third option respectively correspond to the owner mode, the depot mode, and the passenger mode.