CN115056747A - Pluggable vehicle-mounted control device, vehicle control system and vehicle control method - Google Patents
Pluggable vehicle-mounted control device, vehicle control system and vehicle control method Download PDFInfo
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- CN115056747A CN115056747A CN202011173912.0A CN202011173912A CN115056747A CN 115056747 A CN115056747 A CN 115056747A CN 202011173912 A CN202011173912 A CN 202011173912A CN 115056747 A CN115056747 A CN 115056747A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
- B60R25/245—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user where the antenna reception area plays a role
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
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Abstract
A pluggable vehicle-mounted control device, a vehicle control system and a vehicle control method applying the vehicle-mounted control device, the on-board control system is applied to a plurality of vehicles respectively comprising on-board automatic diagnosis system interfaces, and includes a server storing a plurality of binding information and connected to a communication network, a plurality of mobile device terminals connected to the server terminals via the communication network, respectively, and a plurality of vehicle-mounted control devices detachably mounted on the interfaces of the vehicle-mounted automatic diagnostic system, respectively generating a first seed code and a second seed code via the server and one of the vehicle-mounted control devices, and the first seed code and the second seed code are delivered to the servo end, one of the vehicle-mounted control devices and one of the mobile equipment ends for three-party interactive verification so as to enhance the safety of executing the function starting instruction.
Description
Technical Field
The present invention relates to a vehicle-mounted control device, and more particularly, to a pluggable vehicle-mounted control device, a vehicle control system using the vehicle-mounted control device, and a vehicle control method.
Background
Referring to fig. 1, a vehicle control system based on bluetooth technology and cloud verification technology includes a mobile device 11, a server 14 in signal connection with the mobile device 11, a door lock control device 13 applied to a vehicle (not shown), and an on-board device 12 electrically connected to the door lock control device 13.
The mobile device 11 has a mobile phone processor 111 that needs to install a vehicle control application program, a mobile phone positioning module 112 for obtaining a mobile terminal position signal positioned by a Global Positioning System (GPS), a first bluetooth communication chipset 113, and a first network communication chipset 114, and the mobile device 11 can perform wireless communication with the server 14 and the vehicle-mounted device 12 via the vehicle control application program.
The vehicle-mounted device 12 has a vehicle microprocessor 121, a vehicle positioning module 122 for obtaining a vehicle position signal located by a Global Positioning System (GPS), a second bluetooth communication chipset 123 for matching and connecting the first bluetooth communication chipset 113, and a second network communication chipset 124 for signal connection with the first network communication chipset 114 via a communication network.
When the vehicle-mounted device is used, the mobile device 11 needs to be bound with the vehicle-mounted device 12 in advance, and transmits the mobile end position signal and the vehicle position signal to the server 14 in real time, the vehicle microprocessor 121 transmits a bluetooth connection confirmation signal in real time by detecting the bluetooth connection condition, when a user wants to unlock the door lock control device 13 through the mobile device 11, the server 14 transmits an unlocking signal to the server 14 through the vehicle control application program, the server 14 can know whether the first bluetooth communication chipset 113 and the second bluetooth communication chipset 123 are bluetooth connected through the bluetooth connection confirmation signal to judge whether the user is located by the vehicle, and when the server 14 judges that the first bluetooth communication chipset 113 and the second bluetooth communication chipset 123 are bluetooth connected, the server transmits an unlocking instruction corresponding to the unlocking signal to the vehicle-mounted device 12, the door lock control device 13 is unlocked and the door of the vehicle is opened. The conventional vehicle control system determines whether to unlock or not simply by the positions of the mobile device 11 and the in-vehicle device 12, and thus has a safety concern.
Disclosure of Invention
The invention aims to provide a pluggable vehicle-mounted control device, a vehicle control system and a vehicle control method which can overcome the defects in the background art.
The pluggable vehicle-mounted control device is applied to a mobile equipment end comprising a mobile end short-range communication unit, a servo end in signal connection with the mobile equipment end through a communication network, and a vehicle comprising a vehicle-mounted automatic diagnosis system interface. The vehicle-mounted control device comprises a vehicle-mounted automatic diagnosis system interface which can be inserted and pulled out and is arranged on the vehicle-mounted automatic diagnosis system interface of the vehicle, a vehicle-mounted end short-range communication unit which is connected with the mobile equipment end signal through receiving and sending short-range wireless signals, a vehicle-mounted end network communication unit which is connected with the servo end signal through the communication network, and a vehicle-mounted end control unit, wherein the vehicle-mounted end control unit is electrically connected with the vehicle-mounted end short-range communication unit, the vehicle-mounted end network communication unit and the vehicle-mounted automatic diagnosis system interface. The vehicle-mounted end control unit receives a background awakening command transmitted by the servo end through the vehicle-mounted end network communication unit, then converts the low power consumption state into an execution state, generates a background awakening confirmation signal indicating that the vehicle-mounted control device is in the execution state, and transmits the background awakening confirmation signal to the servo end through the vehicle-mounted end network communication unit, so that the servo end generates and transmits first seed code information containing a first seed code to the mobile equipment end and the vehicle-mounted control device; after the vehicle-mounted end network communication unit receives the first seed code information from the servo end, the vehicle-mounted end control unit calculates and obtains a first local secret key according to the first seed code contained in the first seed code information; after the vehicle-mounted end short-range communication unit receives a short-range awakening command transmitted by the mobile equipment end through the mobile end short-range communication unit, the vehicle-mounted end control unit is switched to the execution state from the low power consumption state, generates a short-range awakening confirmation signal indicating that the vehicle-mounted control device is in the execution state, and transmits the short-range awakening confirmation signal to the mobile equipment end through the vehicle-mounted end short-range communication unit, so that the mobile equipment end generates and transmits a second seed code request signal to the vehicle-mounted control device through the mobile end short-range communication unit; after the vehicle-mounted end short-range communication unit receives the second seed code request signal transmitted by the mobile equipment end through the mobile end short-range communication unit, the vehicle-mounted end control unit generates second seed code information containing a second seed code, and transmits the second seed code information to the mobile equipment end through the vehicle-mounted end short-range communication unit, so that the mobile equipment end obtains and transmits a second external secret key to the vehicle-mounted control device according to the second seed code; the vehicle-mounted terminal control unit calculates and obtains a second local secret key according to the second seed code; receiving, at the vehicle-side network communication unit, first encrypted information from the server side and including a function opening instruction indicating a vehicle function to be opened, and a first external key from the server side and obtained by the server side through calculation according to the first seed code, and after receiving the second external key from the mobile device side through the vehicle-side short-range communication unit, comparing the first local key with the first external key, and comparing the second local key with the second external key, respectively; and when the vehicle-mounted end control unit judges that the first local secret key is the same as the first external secret key and the second local secret key is the same as the second external secret key, decrypting the first encrypted information and acquiring the function starting instruction so as to request the vehicle to execute the vehicle function to be started by the function starting instruction.
According to the pluggable vehicle-mounted control device, the first seed code information further comprises a first time parameter indicating the valid period of the first seed code; after the vehicle-mounted end control unit receives the first seed code information from the servo end through the vehicle-mounted end network communication unit, whether the first seed code information is overdue and invalid is judged according to the first time parameter, and when the vehicle-mounted end control unit judges that the first seed code information is not overdue, the vehicle-mounted end control unit calculates and obtains the first local secret key according to the first seed code.
The vehicle control system comprises a servo end, a plurality of mobile equipment ends and a plurality of vehicle-mounted control devices, wherein the servo end stores binding information and is connected to a communication network, and each binding information comprises a mobile equipment identification code and a vehicle-mounted system identification code; the mobile equipment terminals respectively correspond to the mobile equipment identification codes, and each mobile equipment terminal is in signal connection with the server terminal through the communication network; the vehicle-mounted control devices respectively correspond to the vehicle-mounted system identification codes, can be plugged in and pulled out and are respectively arranged on the vehicle-mounted automatic diagnosis system interface, and each vehicle-mounted control device is in signal connection with the servo end through the communication network and can perform short-range data transmission with the bound mobile equipment end according to the binding information; the server generates and transmits a background wake-up command to one corresponding vehicle-mounted control device after receiving a first seed code request signal from one of the mobile equipment terminals; after receiving the background awakening command, one of the vehicle-mounted control devices is switched from a low power consumption state to an execution state, and generates and transmits a background awakening confirmation signal indicating that one of the vehicle-mounted control devices is in the execution state to the servo end; after receiving the background awakening confirmation signal, the servo terminal generates and transmits first seed code information containing a first seed code to one of the mobile equipment terminals and one of the vehicle-mounted control devices, and obtains a first external secret key according to the first seed code; after receiving the first seed code information, one of the vehicle-mounted control devices obtains a first local secret key according to the first seed code contained in the first seed code information; after receiving a short-range wake-up command from one of the mobile device terminals, one of the vehicle-mounted control devices transitions from the low-power state to the execution state and transmits a short-range wake-up confirmation signal indicating that one of the vehicle-mounted control devices is in the execution state to one of the mobile device terminals; after receiving the short-range awakening confirmation signal, one mobile equipment end generates and transmits a second seed code request signal to one vehicle-mounted control device; after receiving the second seed code request signal, one of the vehicle-mounted control devices generates and transmits second seed code information containing a second seed code to one of the mobile equipment terminals; after receiving the second seed code information, the mobile equipment terminal obtains and transmits a second external key to one of the vehicle-mounted control devices according to the second seed code; the vehicle-mounted control device obtains a second local secret key according to the second seed code; after receiving first encryption information which is from the servo terminal and contains a function starting instruction indicating a vehicle function to be started, the first external secret key from the servo terminal and the second external secret key from one of the mobile equipment terminals, one of the vehicle-mounted control devices respectively compares the first local secret key with the first external secret key and compares the second local secret key with the second external secret key; and when one of the vehicle-mounted control devices judges that the first local secret key is the same as the first external secret key and the second local secret key is the same as the second external secret key, decrypting the first encrypted information and acquiring the function starting instruction so as to request the vehicle to execute the vehicle function to be started by the function starting instruction.
In the vehicle control system of the present invention, the first sub-code request signal includes a mobile terminal identification code corresponding to one of the mobile device terminals, and the server determines whether the mobile terminal identification code corresponding to one of the mobile device terminals is the same as any one of the mobile device identification codes; and when the servo terminal judges that one of the mobile terminal identification codes is the same as one of the mobile equipment identification codes, generating and transmitting the background awakening command to a corresponding one of the vehicle-mounted control devices.
In the vehicle control system of the present invention, the second seed code information further includes a second time parameter indicating a valid period of the second seed code, and after receiving the second seed code information from one of the vehicle-mounted control devices, one of the mobile device terminals determines whether the second seed code information is expired and expired according to the second time parameter, and when one of the mobile device terminals determines that the second seed code information is not expired, the second external key is calculated and obtained according to the second seed code.
The invention relates to a vehicle control method, which runs through a vehicle control system, wherein the vehicle control system comprises a plurality of mobile equipment ends, a plurality of vehicle-mounted control devices correspondingly mounted on a plurality of vehicles, and a servo end in signal connection with one of the mobile equipment ends and one of the vehicle-mounted control devices through a communication network, each mobile equipment end comprises a mobile end short-range communication unit, one of the mobile equipment ends performs short-range data transmission with one of the vehicle-mounted control devices through the mobile end short-range communication unit, and the vehicle control method comprises the following steps: (A) after receiving a background wake-up command transmitted from the server, one of the vehicle-mounted control devices is switched from a low-power consumption state to an execution state, and generates and transmits a background wake-up confirmation signal indicating that one of the vehicle-mounted control devices is in the execution state to the server, so that the server generates and transmits first seed code information including a first seed code to one of the mobile equipment terminals and one of the vehicle-mounted control devices; (B) after receiving the first seed code information from the servo end, one of the vehicle-mounted control devices calculates and obtains a first local secret key according to the first seed code contained in the first seed code information; (C) after receiving a short-range wake-up command from one of the mobile device terminals, one of the onboard control devices transitions from the low-power state to the execution state and transmits a short-range wake-up confirmation signal indicating that one of the onboard control devices is in the execution state to one of the mobile device terminals, so that one of the mobile device terminals generates and transmits a second seed code request signal to one of the onboard control devices; (D) after receiving the second seed code request signal from one of the mobile device terminals, one of the vehicle-mounted control devices generates and transmits second seed code information including a second seed code to one of the mobile device terminals, so that one of the mobile device terminals obtains and transmits a second external secret key to one of the vehicle-mounted control devices according to the second seed code; (E) one of the vehicle-mounted control devices obtains a second local secret key according to the second seed code; (F) after receiving first encryption information which is from the servo terminal and contains a function starting instruction indicating a vehicle function to be started, a first external secret key which is from the servo terminal and is obtained by the servo terminal through calculation according to the first seed code, and a second external secret key which is from one of the mobile equipment terminals, one of the vehicle-mounted control devices respectively compares the first local secret key with the first external secret key, and the second local secret key with the second external secret key; and (G) when one of the vehicle-mounted control devices judges that the first local secret key is the same as the first external secret key and the second local secret key is the same as the second external secret key, decrypting the first encrypted information and acquiring the function starting instruction so as to request the vehicle to execute the vehicle function to be started by the function starting instruction.
In the vehicle control method of the present invention, the server is further in signal connection with the mobile device and the vehicle-mounted control device through the communication network, the server stores a plurality of pieces of binding information corresponding to the mobile device, each piece of binding information includes a mobile device identification code and a vehicle-mounted system identification code, and the mobile device identification codes respectively correspond to the vehicle-mounted system identification codes, and the vehicle control method further includes, before step (a), the following steps: (H) after receiving a first seed code request signal from one of the mobile device terminals, the server determines whether the mobile terminal identification code corresponding to one of the mobile device terminals is the same as any one of the mobile device identification codes because the first seed code request signal includes a mobile terminal identification code corresponding to one of the mobile device terminals; and (I) when the servo terminal judges that the mobile terminal identification code corresponding to one of the mobile equipment terminals is the same as one of the mobile equipment identification codes, generating and transmitting the background awakening command to the corresponding one of the vehicle-mounted control devices.
In the vehicle control method according to the present invention, in step (D), after receiving the second seed code request signal, one of the vehicle-mounted control devices generates and transmits the second seed code information to one of the mobile device terminals, and the second seed code information further includes a second time parameter indicating an expiration date of the second seed code.
In the vehicle control method of the present invention, in step (D), after receiving the second seed code request signal from one of the mobile device terminals, one of the vehicle-mounted control apparatuses generates and transmits the second seed code information to one of the mobile device terminals, so that one of the mobile device terminals calculates and obtains the second external key according to the second seed code, and transmits the second external key to one of the vehicle-mounted control apparatuses, and generates a second reception deadline corresponding to the validity deadline of the second seed code; after receiving the second external key from one of the mobile equipment terminals, one of the vehicle-mounted control devices judges whether the second external key is expired or not according to the second receiving period; and (F-2) when one of the vehicle-mounted control devices judges that the second external key is not expired according to the second receiving deadline, comparing the first local key with the first external key, and comparing the second local key with the second external key respectively.
The invention has the beneficial effects that: the invention relates to a vehicle-mounted control device, a vehicle control system and a vehicle control method, wherein a first seed code and a second seed code are respectively generated by a servo terminal and one vehicle-mounted control device, the first seed code and the second seed code are sent to the servo terminal, one vehicle-mounted control device and one mobile equipment terminal for three-party interactive verification, and after the three-party interactive verification is successful, one vehicle-mounted control device executes a function opening instruction transmitted by one mobile equipment terminal so as to strengthen the safety of the vehicle for executing the function opening instruction.
Drawings
Other features and effects of the present invention will become apparent from the following detailed description of the embodiments with reference to the accompanying drawings, in which:
FIG. 1 is a functional block diagram of a prior art vehicle control system;
FIG. 2 is a functional block diagram of one embodiment of a vehicle control system of the present invention;
fig. 3, 4 and 5 are flow charts for describing the control method of the embodiment.
Detailed Description
Referring to fig. 2, an embodiment of the vehicle control system of the present invention is applied to a plurality of vehicles 8, the vehicle control system includes a plurality of mobile device terminals 2, a plurality of vehicle-mounted control devices 3, and a server terminal 4, each vehicle 8 includes a vehicle-mounted automatic diagnostic system interface 81, a vehicle bus module 82 in signal connection with the vehicle-mounted automatic diagnostic system interface 81, and a vehicle body control unit 83 for controlling the electrical system of the vehicle 8 and in signal connection with the vehicle bus module 82. In this embodiment, for simplicity, the mobile device end 2, the vehicle-mounted control apparatus 3, and the vehicle 8 are taken as two examples, and one of the mobile device end 2, the vehicle-mounted control apparatus 3, and the vehicle 8 is used for description.
One of the mobile device terminals 2 includes a mobile terminal short-range communication unit 21, a mobile terminal network communication unit 22, a mobile terminal processing unit 23, and a mobile terminal positioning unit 24. In this embodiment, one of the mobile device terminals 2 is a smart phone, and the mobile-terminal short-range communication unit 21 may be a Bluetooth chip Module (Bluetooth Module) or a near field communication Module (NFC Module) built in one of the mobile device terminals 2, so as to implement short-range wireless data transmission and reception. The mobile network communication unit 22 is a multi-bit cellular network chipset, and is connected to a communication network 200 through a corresponding base station to implement data transmission and reception. The mobile terminal processing unit 23 stores a mobile terminal identification code for distinguishing and identifying the mobile device terminal 2. The mobile terminal positioning unit 24 obtains a position signal indicating a current position of one of the mobile device terminals 2 through a Global Positioning System (GPS) reception, and a user can install a vehicle control application program for accessing the server terminal 4 through the communication network 200 through one of the mobile device terminals 2 and send a function opening instruction for indicating a vehicle function to be opened through the vehicle control application program. It should be noted that the components selected for use by the mobile-side short-range communication unit 21, the mobile-side network communication unit 22, and the mobile-side positioning unit 24 are not limited thereto.
One of the vehicle-mounted control devices 3 includes a vehicle-mounted automatic diagnosis system interface 31, a vehicle-mounted short-range communication unit 32, a vehicle-mounted network communication unit 33 for signal connection between the mobile device end 2 and the vehicle-mounted control device 3, and a vehicle-mounted control unit 34 electrically connected to the vehicle-mounted network communication unit 33, the vehicle-mounted short-range communication unit 32, and the vehicle-mounted automatic diagnosis system interface 31. The vehicle-mounted end control unit 34 stores a vehicle-mounted end identification code, and the vehicle-mounted end identification code is matched with the vehicle 8 electrically connected with the vehicle-mounted end control unit 34 and is used for identifying the vehicle 8 electrically connected with the vehicle-mounted end control unit 34. The vehicle-mounted automatic diagnostic system interface 31 can be inserted into and removed from the vehicle-mounted automatic diagnostic system interface 81, the vehicle-mounted short-range communication unit 32 can be a Bluetooth chip Module (Bluetooth Module) or a near field communication Module (NFC Module) to realize short-range wireless data transmission and reception, the mobile terminal network communication unit 22 is a multi-bit cellular network chipset and is connected to the internet through a corresponding base station, but it should be noted that the components selected by the vehicle-mounted short-range communication unit 32 and the vehicle-mounted short-range communication unit 33 are not limited thereto.
The server 4 comprises a server network communication unit 41 connected to the communication network 200, a server storage unit 42 storing a plurality of binding information corresponding to the mobile device 2, and a server processing unit 43 electrically connected to the server network communication unit 41 and the server storage unit 42, wherein each binding information comprises a mobile device identification code and a vehicle-mounted system identification code. In this embodiment, the server 4 is a network host (host) having a network connection function, the Mobile end Identification code stored in the Mobile end processing unit 23 and the Mobile device Identification code in the binding information are both International Mobile Equipment Identification (IMEI), and the Vehicle-mounted end Identification code stored in the Vehicle-mounted end control unit 34 and the Vehicle-mounted system Identification code in the binding information are both Vehicle Identifiers (VIN), but not limited thereto.
The following description will be made by performing a vehicle control method according to the present embodiment to describe operation details among one of the mobile device terminals 2, one of the onboard control devices 3, and the server terminal 4, where the vehicle control method includes a first seed verification program, a second seed verification program, and a comparison program.
Referring to FIG. 2 and FIG. 3, the first seed-verify programming includes steps 501-515.
In step 501, a first seed code request signal including the mobile terminal identification code and the location signal obtained by the mobile terminal positioning unit 24 are generated by the mobile terminal processing unit 23 of one of the mobile device terminals 2, and are transmitted to the server terminal 4 through the mobile terminal network communication unit 22.
In step 502, after receiving a first seed code request signal from one of the mobile device terminals 2 and including one of the mobile device terminal identifiers, the server processing unit 43 of the server 4 determines whether a mobile device terminal identifier corresponding to one of the mobile device terminals 2 is the same as any one of the mobile device identifiers included in the binding information. In addition, in another application aspect, such as a car rental service, after receiving the first seed code request signal and the location signal, the server 4 selects one of the car control devices 3 that is closer to one of the mobile device terminals 2 in the car control device 3 according to the location signal, and simultaneously binds and stores one of the mobile terminal identification codes corresponding to the selected one of the mobile device terminals 2 and the car identification code corresponding to one of the car control devices 3 as new binding information in real time, and performs step 504, thereby achieving the effect of facilitating the user to rent the closer car 8.
In step 503, when the server processing unit 43 determines that one of the mobile end identification codes is not the same as any of the mobile device identification codes, it means that one of the mobile device ends 2 has not provided one of the mobile end identification codes to the server 4 to establish a binding relationship with any corresponding one of the mobile device ends 2, so that the server cannot continue to use the mobile device, or returns to step 501.
In step 504, when the server processing unit 43 determines that one of the mobile terminal identification codes is the same as any one of the mobile device identification codes, a background wake-up command is generated, and the background wake-up command is transmitted to a corresponding one of the vehicle-mounted control devices 3 through the server network communication unit 41.
In step 505, after receiving the background wake-up command from the server 4 via the vehicle-side network communication unit 33 of one of the vehicle-mounted control devices 3, the vehicle-mounted-side control unit 34 of one of the vehicle-mounted control devices 3 switches from a low power consumption state to an execution state, generates a background wake-up confirmation signal indicating that one of the vehicle-mounted control devices 3 is in the execution state, and transmits the background wake-up confirmation signal to the server 4 via the vehicle-side network communication unit 33 of one of the vehicle-mounted control devices 3. When one of the vehicle-mounted control devices 3 is in a low power consumption state, the vehicle-mounted end control unit 34 is periodically started, and the corresponding battery voltage and the position signal of the vehicle 8 are confirmed when the vehicle-mounted end control unit 34 is started; when one of the vehicle-mounted control devices 3 is in the execution state, the vehicle-mounted control device is kept started and obtains signals received by the vehicle-mounted network communication unit 33 and the vehicle-mounted short-range communication unit 32 in one of the vehicle-mounted control devices 3, and in addition, after receiving a background wake-up command transmitted from the server 4, the vehicle-mounted control unit 34 is convenient for the execution state to be recovered to the low power consumption state after a waiting period, if other signals are not received within the waiting period.
In step 506, after receiving the background wake-up confirmation signal through the server-side network communication unit 41, the server-side processing unit 43 generates a first seed code information, and transmits the first seed code information to one of the mobile device terminals 2 and one of the vehicle-mounted control devices 3 through the server-side network communication unit 41, wherein the first seed code information includes a first seed code and a first time parameter indicating an expiration date of the first seed code. In the present embodiment, the first seed code is generated by a pseudo random number generator (pseudo random number generator), but not limited thereto.
In step 507, after receiving the first seed code information from the server 4 through the vehicle-mounted-side network communication unit 33 of one of the vehicle-mounted control devices 3, the vehicle-mounted-side control unit 34 of one of the vehicle-mounted control devices 3 obtains a first local key through a key encryption algorithm according to the first seed code included in the first seed code information. In this embodiment, the key Encryption algorithm may adopt an Advanced Encryption Standard (Advanced Encryption Standard), but is not limited thereto. Moreover, the vehicle-mounted-end control unit 34 may also determine whether the first seed code information expires and becomes invalid according to a first time parameter, and when the vehicle-mounted-end control unit 34 determines that the first seed code information does not expire, the vehicle-mounted-end control unit 34 calculates and obtains the first local key according to the first seed code.
In step 508, after receiving the first seed code information from the server 4 through the mobile-end network communication unit 22, the mobile-end processing unit 23 of one of the mobile device ends 2 can determine the current time for sending the first seed code information and the valid period of the first seed code according to the first time parameter, wherein the mobile-end processing unit 23 of one of the mobile device ends 2 adds the current time for sending the first seed code information to the valid period and compares the current time with the current time for receiving, so as to determine whether the first seed code information is invalid due to expiration, but the method for determining the invalid method is not limited thereto.
In step 509, when the mobile-end processing unit 23 of one of the mobile device ends 2 determines that the first seed code information is invalid due to expiration, that is, it indicates that one of the mobile device ends 2 fails to receive the first seed code information in time, so that one of the mobile device ends 2 does not end the first seed verification programming according to the first seed code information feedback data, or performs step 501 again.
In step 510, when the mobile-side processing unit 23 of one of the mobile apparatus side 2 determines that the first seed code information reception is still within the valid period of the first seed code according to the first time parameter, the first seed code included in the first seed code information is retrieved, and encrypts the first seed code and the function opening instruction indicating the vehicle function to be opened into second encrypted information through an existing data encryption and decryption algorithm, transmits the second encrypted information to the server 4, wherein the function starting instruction is a vehicle function selected by the user to operate one of the mobile equipment terminals 2, the function activation command may be defined as releasing the locked state of the vehicle 8, activating a cool air conditioner mounted on the vehicle 8, or performing a related function.
In step 511, after the server-side processing unit 43 transmits the first seed code information to one of the mobile device 2 and one of the vehicle-mounted control devices 3 via the server-side network communication unit 41, a first reception period corresponding to the validity period of the first seed code is generated, and the server-side processing unit 43 separately counts the time according to the first reception period and determines whether the second encrypted information is invalid due to the reception failure within the first reception period.
In step 512, after the server processing unit 43 has not received the second encryption information returned by one of the mobile device peers 2 through the server network communication unit 41 after the first receiving deadline, that is, when one of the mobile device peers 2 fails to return the second encryption information in time, the server processing unit ends the first seed verification programming or returns an error message indicating that the second encryption information is invalid to one of the mobile device peers 2, so that one of the mobile device peers 2 executes step 501 again.
In step 513, when the server processing unit 43 receives the second encrypted message returned by one of the mobile device terminals 2 through the server network communication unit 41 within the first receiving deadline, the first seed code and the function opening command are decrypted by the existing data encryption and decryption algorithm.
In step 514, the servo processing unit 43 applies the first seed code to the key encryption algorithm to obtain a first external key.
In step 515, the servo-processing unit 43 encrypts the function-on command and the on-board system identifier matching one of the on-board control devices 3 into a first encrypted message by using the existing data encryption and decryption algorithm, and transmits the first encrypted message and the first external key to one of the on-board control devices 3.
Referring to FIG. 2 and FIG. 4, the second seed-verify programming includes steps 601-609.
In step 601, the mobile end processing unit 23 and the mobile end short-range communication unit 21 of one of the mobile device ends 2 continuously detect whether there is a matchable vehicle-mounted end short-range communication unit 32 in one of the vehicle-mounted control devices 3 in the effective range, and when the mobile end short-range communication unit 21 detects that the effective range includes the vehicle-mounted end short-range communication unit 32, the mobile end short-range communication unit is in signal connection with the vehicle-mounted end short-range communication unit 32 through a wireless signal, and transmits a short-range wake-up command. In this embodiment, the short-range data transmission between the mobile-end short-range communication unit 21 and the vehicle-end short-range communication unit 32 is implemented by using Bluetooth 5.0(Bluetooth 5.0), which is a wireless communication standard.
In step 602, after receiving the short-range wake-up command from one of the mobile device terminals 2 via the vehicle-side short-range communication unit 32, the vehicle-side control unit 34 of one of the vehicle-mounted control apparatuses 3 transitions from the low power consumption state to the execution state, and transmits a short-range wake-up confirmation signal indicating that one of the vehicle-mounted control apparatuses 3 is in the execution state to one of the mobile device terminals 2.
In step 603, after receiving the short-range wake-up confirmation signal via the short-range communication unit 21, the mobile-end processing unit 23 of one of the mobile device ends 2 generates a second seed code request signal, and transmits the second seed code request signal to one of the vehicle-mounted control devices 3 via the short-range communication unit 21 of the mobile device end.
In step 604, a second seed code information is generated by the vehicle-side control unit 34 of one of the vehicle-side control devices 3 after receiving the second seed code request signal via the vehicle-side short-range communication unit 32, and is transmitted to one of the mobile device sides 2 via the vehicle-side short-range communication unit 32, wherein the second seed code information includes a second seed code and a second time parameter indicating the validity period of the second seed code. The vehicle-mounted-side control unit 34 obtains a second local key through the key encryption algorithm according to the second seed code, in this embodiment, the second seed code is generated by a plurality of pseudo-random generators, but not limited thereto.
In step 605, after receiving the second seed code information from one of the onboard control devices 3 via the mobile-end short-range communication unit 21, one of the mobile device ends 2 may determine the current time when the second seed code information is sent and the valid period of the second seed code according to the second time parameter by the mobile-end processing unit 23 of one of the mobile device ends 2, and one of the mobile device ends 2 adds the current time when the second seed code information is sent and totals the valid period and compares the current time with the current time when the second seed code information is received, so as to determine whether the second seed code information is invalid due to expiration.
In step 606, when the mobile-end processing unit 23 of one of the mobile device ends 2 determines that the second seed code information is invalid due to expiration, that is, it indicates that one of the mobile device ends 2 fails to receive the second seed code information in time, so that one of the mobile device ends 2 does not end the second seed verification programming according to the second seed code information return data, or performs step 601 again.
In step 607, when the mobile-end processing unit 23 of one of the mobile device ends 2 determines that the second seed code information reception is still within the valid period of the second seed code according to the second time parameter, a second external key is obtained according to the second seed code, and the second external key is transmitted to one of the vehicle-mounted control apparatuses 3 through the mobile-end short-range communication unit 21 of one of the mobile device ends 2.
In step 608, after the vehicle-side control unit 34 of one of the vehicle-side control devices 3 transmits the second seed code information to one of the mobile device terminals 2 via the vehicle-side short-range communication unit 32 of one of the vehicle-side control devices 3, a second receiving period corresponding to the valid period of the second seed code is generated, and the vehicle-side control unit 34 separately counts time according to the second receiving period and determines whether the second external key is invalid due to being received within the second receiving period.
In step 609, after the second receiving deadline, the vehicle-side control unit 34 of one of the vehicle-side control apparatuses 3 still does not receive the second external key returned by one of the mobile device sides 2 via the vehicle-side short-range communication unit 32 of one of the vehicle-side control apparatuses 3, that is, it indicates that one of the mobile device sides 2 fails to return the second external key in time, and the second seed verification programming is ended.
Referring to FIG. 2 and FIG. 5, the comparison programming includes steps 701-711.
In step 701, following step 515 of fig. 3, after the vehicle-side control unit 34 of one of the vehicle-side control devices 3 receives the first encryption information and the first external key from the server 4 via the vehicle-side network communication unit 33 of one of the vehicle-side control devices 3, the first local key and the first external key are compared to determine whether they are the same.
In step 702, when the on-board-side control unit 34 of one of the on-board control apparatuses 3 determines that the first local key is different from the first external key, the on-board-side control unit 34 of one of the on-board control apparatuses 3 cancels the decryption of the first encrypted information, ends the comparison programming, generates a first error message indicating that the first local key is different from the first external key, and transmits the first error message to the server side 4 and one of the mobile device sides 2 via the on-board-side network communication unit 33 of one of the on-board control apparatuses 3, so that one of the mobile device sides 2 re-executes step 501.
In step 703, when the vehicle-mounted-end control unit 34 of one of the vehicle-mounted control apparatuses 3 determines that the first local key is the same as the first external key, the vehicle-mounted-end control unit 34 decrypts the first encrypted information to obtain the function opening instruction and a vehicle-mounted-end identification code to be compared.
In step 704, it is determined whether the vehicle-mounted-end identification code to be compared obtained by decryption in step 703 is the same as the vehicle-mounted-end identification code stored in one of the vehicle-mounted control apparatuses 3 through the vehicle-mounted-end control unit 34 of one of the vehicle-mounted control apparatuses 3.
In step 705, when the vehicle-mounted-end control unit 34 of one of the vehicle-mounted control devices 3 determines that the vehicle-mounted-end identification code to be compared is different from the vehicle-mounted-end identification code stored in one of the vehicle-mounted control devices 3, the comparison programming is ended, and a second error message indicating that the vehicle-mounted-end identification code to be compared is different from the vehicle-mounted-end identification code stored in one of the vehicle-mounted control devices 3 is generated, and the vehicle-mounted-end network communication unit 33 of one of the vehicle-mounted control devices 3 transmits the second error message to the server 4 and one of the mobile device terminals 2, so that one of the mobile device terminals 2 re-executes step 501.
In step 706, continuing to step 608 of fig. 4, when the vehicle-side control unit 34 of one of the vehicle-side control apparatuses 3 receives the second external key returned by one of the mobile device terminals 2 via the vehicle-side short-range communication unit 32 of one of the vehicle-side control apparatuses 3 within the second receiving period, the second local key and the second external key are compared.
In step 707, when the on-board-side control unit 34 of one of the on-board control apparatuses 3 determines that the second local key is different from the second external key, the comparison programming is ended, and a third error message indicating that the second local key is different from the second external key is generated, and the third error message is transmitted to one of the mobile device terminals 2 via the on-board-side short-range communication unit 32 of one of the on-board control apparatuses 3, so that one of the mobile device terminals 2 executes step 601 again.
In step 708, when the on-board-side control unit 34 of one of the on-board control devices 3 determines that the following conditions are met, (a) the first local key is the same as the first external key; (II) the vehicle-mounted terminal identification code to be compared is the same as the vehicle-mounted terminal identification code stored in one of the vehicle-mounted control devices 3; and (iii) the second local key is the same as the second external key; the on-board control unit 34 of one of the on-board control devices 3 transmits the function activation command and the on-board identification code to be compared to the vehicle 8 electrically connected to one of the on-board control devices 3. In this embodiment, the vehicle BUS Module 82 is a Controller Area Network (CAN BUS), the vehicle Body Control unit 83 is a vehicle Body Controller (Body Control Module, BCM), and the vehicle Body Control unit 83 in the vehicle 8 CAN receive the function opening instruction and the identification code of the vehicle-mounted terminal to be compared through the vehicle BUS Module 82.
In step 709, the body control unit 83 of the vehicle 8 electrically connected to one of the onboard control devices 3 compares the onboard identification code of the vehicle 8 with the onboard identification code to be compared after receiving the function opening command and the onboard identification code to be compared.
In step 710, when the body control unit 83 determines that the vehicle-mounted identification code to be compared is different from the vehicle-mounted identification code stored in the memory thereof, the comparison programming is ended.
In step 711, when the vehicle body control unit 83 determines that the vehicle-mounted terminal identification code to be compared is the same as the vehicle-mounted terminal identification code of itself, the vehicle 8 executes the vehicle function to be started by the function starting instruction according to the received function starting instruction.
In summary, according to the vehicle-mounted control device, the vehicle control system and the vehicle control method of the present invention, the servo terminal 4 and one of the vehicle-mounted control devices 3 respectively generate the first seed code and the second seed code, and the first seed code and the second seed code are sent to the servo terminal 4, one of the vehicle-mounted control devices 3, and one of the mobile device terminals 2 for three-party interactive verification, after the three-party interactive verification is successful, one of the vehicle-mounted control devices 3 executes the function opening instruction sent by one of the mobile device terminals 2, so as to enhance the safety of the vehicle 8 executing the function opening instruction, and thus the object of the present invention is indeed achieved.
Claims (9)
1. A pluggable vehicle-mounted control device is applied to a mobile equipment terminal containing a mobile terminal short-range communication unit, a servo terminal connected with the mobile equipment terminal through a communication network, and a vehicle containing a vehicle-mounted automatic diagnosis system interface, and is characterized in that: the vehicle-mounted control device comprises a vehicle-mounted automatic diagnosis system interface which can be inserted into and pulled out of the vehicle-mounted automatic diagnosis system interface of the vehicle, a vehicle-mounted end short-range communication unit which is connected with the mobile equipment end signal through a short-range wireless receiving and sending signal, a vehicle-mounted end network communication unit which is connected with the servo end signal through the communication network, and a vehicle-mounted end control unit which is electrically connected with the vehicle-mounted end short-range communication unit, the vehicle-mounted end network communication unit and the vehicle-mounted automatic diagnosis system interface, wherein after receiving a background awakening command transmitted from the servo end through the vehicle-mounted end network communication unit, the vehicle-mounted end control unit is converted from a low power consumption state to an execution state and generates a background awakening signal indicating that the vehicle-mounted control device is in the execution state, and transmitting the background wake-up confirmation signal to the server through the vehicle-mounted end network communication unit, so that the server generates and transmits first seed code information including a first seed code to the mobile equipment end and the vehicle-mounted control device, after the vehicle-mounted end network communication unit receives the first seed code information from the server, the vehicle-mounted end control unit calculates and obtains a first local secret key according to the first seed code included in the first seed code information, and after the vehicle-mounted end short-range communication unit receives a short-range wake-up command transmitted by the mobile end through the mobile end short-range communication unit from the mobile equipment end, the vehicle-mounted end control unit switches from the low-power consumption state to the execution state and generates a short-range wake-up confirmation signal indicating that the vehicle-mounted control device is in the execution state, and transmitting the short-range wake-up confirmation signal to the mobile equipment terminal through the vehicle-mounted terminal short-range communication unit, so that the mobile equipment terminal generates and transmits a second seed code request signal to the vehicle-mounted control device through the mobile terminal short-range communication unit, after the vehicle-mounted terminal short-range communication unit receives the second seed code request signal transmitted from the mobile equipment terminal through the mobile terminal short-range communication unit, the vehicle-mounted terminal control unit generates second seed code information containing a second seed code, and transmits the second seed code information to the mobile equipment terminal through the vehicle-mounted terminal short-range communication unit, so that the mobile equipment terminal obtains and transmits a second external key to the vehicle-mounted control device according to the second seed code, and the vehicle-mounted terminal control unit calculates and obtains a second local key according to the second seed code, receiving first encryption information which comes from the servo terminal and contains a function starting instruction indicating a vehicle function to be started and a first external secret key which comes from the servo terminal and is obtained by the servo terminal according to the first seed code calculation at the vehicle-mounted terminal network communication unit, and after receiving the second external secret key from the mobile equipment end through the vehicle-mounted end short-range communication unit, the vehicle-mounted terminal control unit respectively compares the first local secret key with the first external secret key and the second local secret key with the second external secret key, when the vehicle-mounted end control unit judges that the first local secret key is the same as the first external secret key and the second local secret key is the same as the second external secret key, and decrypting the first encrypted information and capturing the function starting instruction to request the vehicle to execute the vehicle function to be started by the function starting instruction.
2. The pluggable vehicle-mounted control device according to claim 1, characterized in that: the first seed code information further comprises a first time parameter indicating the validity period of the first seed code; after the vehicle-mounted end control unit receives the first seed code information from the servo end through the vehicle-mounted end network communication unit, whether the first seed code information is expired and is invalid is judged according to the first time parameter, and when the vehicle-mounted end control unit judges that the first seed code information is not expired, the vehicle-mounted end control unit calculates and obtains the first local secret key according to the first seed code.
3. A vehicle control system is applied to a plurality of vehicles, and each vehicle comprises an on-board automatic diagnosis system interface, and is characterized in that: the vehicle control system comprises a servo end, a plurality of mobile equipment ends and a plurality of vehicle-mounted control devices, wherein the servo end stores binding information and is connected to a communication network, each binding information comprises a mobile equipment identification code and a vehicle-mounted system identification code, the mobile equipment ends respectively correspond to the mobile equipment identification codes, each mobile equipment end is in signal connection with the servo end through the communication network, the vehicle-mounted control devices respectively correspond to the vehicle-mounted system identification codes and can be plugged in and pulled out and respectively installed on a vehicle-mounted automatic diagnosis system interface, each vehicle-mounted control device is in signal connection with the servo end through the communication network and can perform short-range data transmission with the bound mobile equipment ends according to the binding information; the server generates and transmits a background wake-up command to one of the corresponding vehicle-mounted control devices after receiving a first seed code request signal from one of the mobile device terminals, wherein one of the vehicle-mounted control devices is switched from a low-power consumption state to an execution state after receiving the background wake-up command, generates and transmits a background wake-up confirmation signal indicating that one of the vehicle-mounted control devices is in the execution state to the server, generates and transmits first seed code information including a first seed code to one of the mobile device terminals and one of the vehicle-mounted control devices after receiving the background wake-up confirmation signal, and obtains a first external key according to the first seed code, wherein one of the vehicle-mounted control devices obtains a first local key according to the first seed code included in the first seed code information after receiving the first seed code information, wherein one of the onboard control devices transitions from the low power consumption state to the execution state upon receiving a short-range wake-up command from one of the mobile device terminals and transmits a short-range wake-up acknowledge signal indicating that one of the onboard control devices is in the execution state to one of the mobile device terminals, wherein one of the mobile device terminals generates and transmits a second seed code request signal to one of the onboard control devices upon receiving the short-range wake-up acknowledge signal, wherein one of the onboard control devices generates and transmits second seed code information including a second seed code to one of the mobile device terminals upon receiving the second seed code request signal, wherein one of the mobile device terminals obtains and transmits a second external key to one of the onboard control devices according to the second seed code information upon receiving the second seed code information, wherein one of the onboard control devices obtains a second local key according to the second seed code, wherein after receiving first encryption information from the server and including a function opening instruction indicating a vehicle function to be opened, the first external key from the server, and the second external key from one of the mobile device ends, one of the onboard control devices compares the first local key with the first external key, and the second local key with the second external key, respectively, and when one of the onboard control devices determines that the first local key is the same as the first external key and the second local key is the same as the second external key, decrypts the first encryption information and retrieves the function opening instruction, so as to request the vehicle to execute the vehicle function to be started by the function starting instruction.
4. The vehicle control system according to claim 3, characterized in that: the first sub-code request signal comprises a mobile terminal identification code corresponding to one of the mobile equipment terminals, and the server determines whether the mobile terminal identification code corresponding to one of the mobile equipment terminals is the same as any one of the mobile equipment identification codes; and when the servo terminal judges that one of the mobile terminal identification codes is the same as one of the mobile equipment identification codes, generating and transmitting the background awakening command to a corresponding one of the vehicle-mounted control devices.
5. The vehicle control system according to claim 3, characterized in that: the second seed code information further includes a second time parameter indicating a valid period of the second seed code, and after receiving the second seed code information from one of the onboard control devices, one of the mobile device terminals determines whether the second seed code information is expired and expired according to the second time parameter, and when one of the mobile device terminals determines that the second seed code information is not expired, the mobile device terminal calculates and obtains the second external key according to the second seed code.
6. A vehicle control method operated by a vehicle control system, characterized by: the vehicle control system comprises a plurality of mobile equipment terminals, a plurality of vehicle-mounted control devices correspondingly installed on a plurality of vehicles, and a server terminal in signal connection with one of the mobile equipment terminals and one of the vehicle-mounted control devices through a communication network, wherein each mobile equipment terminal comprises a mobile terminal short-range communication unit, one of the mobile equipment terminals performs short-range data transmission with one of the vehicle-mounted control devices through the mobile terminal short-range communication unit, and the vehicle control method comprises the following steps:
(A) after receiving a background wake-up command transmitted from the server, one of the vehicle-mounted control devices is switched from a low-power consumption state to an execution state, and generates and transmits a background wake-up confirmation signal indicating that one of the vehicle-mounted control devices is in the execution state to the server, so that the server generates and transmits first seed code information including a first seed code to one of the mobile equipment terminals and one of the vehicle-mounted control devices;
(B) after the first seed code information from the servo terminal is received, one of the vehicle-mounted control devices calculates and obtains a first local secret key according to the first seed code contained in the first seed code information;
(C) after receiving a short-range wake-up command from one of the mobile device terminals, one of the onboard control devices transitions from the low-power state to the execution state and transmits a short-range wake-up confirmation signal indicating that one of the onboard control devices is in the execution state to one of the mobile device terminals, so that one of the mobile device terminals generates and transmits a second seed code request signal to one of the onboard control devices;
(D) after receiving the second seed code request signal from one of the mobile device terminals, one of the vehicle-mounted control devices generates and transmits second seed code information including a second seed code to one of the mobile device terminals, so that one of the mobile device terminals obtains and transmits a second external secret key to one of the vehicle-mounted control devices according to the second seed code;
(E) one of the vehicle-mounted control devices obtains a second local secret key according to the second seed code;
(F) after receiving first encryption information which is from the servo terminal and contains a function starting instruction indicating a vehicle function to be started, a first external secret key which is from the servo terminal and is obtained by the servo terminal through calculation according to the first seed code, and a second external secret key which is from one of the mobile equipment terminals, one of the vehicle-mounted control devices respectively compares the first local secret key with the first external secret key, and the second local secret key with the second external secret key; and
(G) and when one of the vehicle-mounted control devices judges that the first local secret key is the same as the first external secret key and the second local secret key is the same as the second external secret key, decrypting the first encrypted information and acquiring the function starting instruction so as to request the vehicle to execute the vehicle function to be started by the function starting instruction.
7. The vehicle control method according to claim 6, characterized in that: the server is connected with the mobile equipment terminal and the vehicle-mounted control device through the communication network, the server stores a plurality of binding information corresponding to the mobile equipment terminal, each binding information comprises a mobile equipment identification code and a vehicle-mounted system identification code, the mobile equipment identification codes respectively correspond to the vehicle-mounted system identification codes, and the vehicle control method further comprises the following steps before the step (A):
(H) after receiving a first seed code request signal from one of the mobile device terminals, the server determines whether the mobile terminal identification code corresponding to one of the mobile device terminals is the same as any one of the mobile device identification codes because the first seed code request signal includes a mobile terminal identification code corresponding to one of the mobile device terminals; and
(I) and when the servo terminal judges that the mobile terminal identification code corresponding to one of the mobile equipment terminals is the same as one of the mobile equipment identification codes, generating and transmitting the background awakening command to one of the corresponding vehicle-mounted control devices.
8. The vehicle control method according to claim 6, characterized in that: in step (D), after receiving the second seed code request signal, one of the onboard control devices generates and transmits the second seed code information to one of the mobile device sides, and the second seed code information further includes a second time parameter indicating a valid period of the second seed code.
9. The vehicle control method according to claim 8, characterized in that: in step (D), after receiving the second seed code request signal from one of the mobile device terminals, one of the onboard control apparatuses generates and transmits the second seed code information to one of the mobile device terminals, so that one of the mobile device terminals calculates and obtains the second external secret key according to the second seed code, transmits the second external secret key to one of the onboard control apparatuses, and generates a second receiving period corresponding to the valid period of the second seed code; the step (F) includes the steps of:
(F-1) after receiving the second external key from one of the mobile device sides, one of the in-vehicle control apparatuses determining whether the second external key is expired according to the second reception deadline; and
(F-2) when one of the vehicle-mounted control devices judges that the second external secret key is not expired according to the second receiving deadline, comparing the first local secret key with the first external secret key, and comparing the second local secret key with the second external secret key.
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