CN117527282A - Electronic license plate and management method, management system and medium thereof - Google Patents
Electronic license plate and management method, management system and medium thereof Download PDFInfo
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- CN117527282A CN117527282A CN202210915173.0A CN202210915173A CN117527282A CN 117527282 A CN117527282 A CN 117527282A CN 202210915173 A CN202210915173 A CN 202210915173A CN 117527282 A CN117527282 A CN 117527282A
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- 238000007726 management method Methods 0.000 title abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 75
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 238000012795 verification Methods 0.000 claims abstract description 26
- 230000006854 communication Effects 0.000 claims description 142
- 238000004891 communication Methods 0.000 claims description 139
- 230000004044 response Effects 0.000 claims description 11
- 238000012790 confirmation Methods 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims description 3
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- 238000005516 engineering process Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
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- 102100029860 Suppressor of tumorigenicity 20 protein Human genes 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/18—Network architectures or network communication protocols for network security using different networks or channels, e.g. using out of band channels
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07758—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag
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Abstract
The application discloses electronic license plate and management method, management system, medium thereof, electronic license plate include control module and with the security module that control module is connected, the method includes: a transparent transmission channel is established between the control module and external equipment; the security module establishes a security channel between the transparent transmission channel and external equipment; the security module receives electronic license plate information based on the security channel. The electronic license plate provided by the embodiment of the application stores various secret keys in a mode of setting the security module, adopts various security verification modes during management and application, improves the security of the electronic license plate, and prevents the electronic license plate from being tampered and counterfeited in the data exchange process; the convenience of the electronic license plate in the handling process can be improved through the external equipment, and the service efficiency of the electronic license plate is improved; through the charge management system, the safety and convenience of charging are improved.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to an electronic license plate and a management method, a management system and a medium thereof.
Background
In recent years, electronic license plates are becoming more and more important, and along with the development and popularization of electronic identification, the national public security traffic departments also have higher and higher importance on the electronic license plates. The traffic department sets an automobile electronic identification and an electric vehicle electronic identification as an important identity feature of the automobile and the electric vehicle. The electronic identification of the automobile and the identification of the electric bicycle are realized based on RFID (Radio Frequency Identification) technology, and personalized information such as license plate numbers, sequences and the like is stored in the electronic identification.
However, the existing electronic license plate adopts an RFID electronic tag to store electronic license plate information, and due to the openness of a communication protocol, when the electronic license plate is communicated with a reading device, other people can easily eavesdrop on the communication content, and the eavesdrop information is utilized to falsify and tamper the electronic license plate.
In addition, in the prior art, the time consumption of the whole process for issuing the electronic license plate is long, and the process is complicated, which relates to a plurality of management departments, vehicle sellers and vehicle purchasers, so that how to efficiently and conveniently realize the electronic license plate service becomes the focus of attention of users.
Disclosure of Invention
In view of the foregoing drawbacks or shortcomings in the prior art, it is desirable to provide an electronic license plate, and a management method, a management system and a medium thereof, which can improve the security of the electronic license plate.
In a first aspect, the present application provides a method for managing an electronic license plate, where the electronic license plate includes a control module and a security module connected to the control module, and the method includes:
a transparent transmission channel is established between the control module and external equipment;
the security module establishes a security channel between the transparent transmission channel and external equipment;
the security module receives electronic license plate information based on the security channel.
Optionally, the transparent transmission channel is a radio frequency channel, and the transparent transmission channel is established between the control module and the external device, and the method includes:
the control module receives application verification information sent by the external equipment; the application verification information comprises equipment identification of external equipment;
and the control module establishes a radio frequency channel with the external equipment based on the application verification information.
Optionally, the security module establishes a security channel between the transparent transmission channel and an external device, and the method includes:
the security module receives handshake information sent by the external equipment based on the transparent transmission channel by taking the control module as a transparent transmission node;
the security module generates handshake response information based on the handshake information;
And the security module sends handshake response information to the external equipment based on the transparent channel so as to establish the security channel.
Optionally, the security module receives electronic license plate information based on the security channel, and the method includes:
the security module receives electronic license plate encryption information based on the security channel;
and the security module decrypts the electronic license plate encryption information to obtain the electronic license plate information.
In a second aspect, the present application provides an electronic license plate comprising a control module and a security module coupled to the control module, wherein,
the control module is used for establishing a transparent transmission channel with external equipment;
the security module is used for being based on a security channel between the transparent transmission channel and external equipment; and receiving electronic license plate information based on the secure channel.
In a third aspect, the present application provides a method for managing an electronic license plate,
the method is applied to an electronic license plate management system, the electronic license plate management system comprises a control module and a safety module which are connected with each other, and the method comprises the following steps:
the control module establishes communication connection with external equipment, and exchanges a ranging public key with the external equipment through the communication connection;
The security module stores a ranging secret key related to the communication connection and sends the ranging secret key to the control module so that the control module can send ranging encryption information to the external equipment based on the ranging secret key, wherein the ranging public key is used for decrypting the ranging secret key.
Optionally, the control module establishes communication connection with an external device, and the method includes:
the control module receives a ranging request signal based on Bluetooth communication connection;
the control module judges whether to range with the external equipment based on the received ranging request signal;
and the control module sends ranging confirmation information to the external equipment based on the Bluetooth communication connection when confirming that the ranging request signal meets a preset condition.
Optionally, the electronic license plate management system further includes a plurality of anchor points connected with the control module, and the method further includes:
and the security module stores a ranging secret key related to the communication connection and transmits the ranging secret key to the anchor point so that the anchor point can transmit ranging encryption information to the external equipment based on the ranging secret key.
Optionally, the method further comprises:
the safety module generates a first communication secret key based on the equipment identifier of the control module and transmits the first communication secret key to the control module, and the control module communicates with the safety module based on the first communication secret key;
The security module generates a second communication secret key based on the equipment identifier of the anchor point and transmits the second communication secret key to the anchor point through the control module, and the anchor point communicates with the control module based on the second communication secret key.
Optionally, the security module stores a ranging key associated with the communication connection, the method comprising:
the control module sends the information of the communication connection established at this time to the safety module based on the first communication secret key;
the security module generates a current ranging key based on the information of the communication connection established at the time and sends the current ranging key to the control module so that the control module receives the current ranging key based on the first communication key;
and/or the security module issues the security module to the anchor point through the control module; and enabling the anchor point to receive the current ranging key based on the second communication key.
Optionally, the ranging encryption information includes a time stamp and electronic license plate information, where the control module sends the ranging encryption information to the ranging device based on the ranging key, and includes:
the control module obtains the electronic license plate information from the security module based on the first communication secret key;
The control module obtains a time stamp and generates the ranging encryption information based on the ranging key;
the anchor point sends ranging encryption information to the ranging device based on the ranging key, comprising:
the control module obtains the electronic license plate information from the security module based on the first communication secret key;
the anchor point obtains the electronic license plate information from the control module based on the second communication key;
the anchor point generates the ranging encryption information based on the ranging key and a time stamp.
In a fourth aspect, the present application provides a system for managing an electronic license plate, including an electronic license plate, the electronic license plate including a control module and a security module connected to each other, wherein,
the control module is used for establishing communication connection with external equipment, exchanging a ranging public key with the control module through the communication connection, and sending ranging encryption information to the ranging equipment based on the ranging secret key;
the security module is used for generating the ranging secret key related to the communication connection and sending the ranging secret key to the control module, and the ranging secret key corresponds to the ranging public key.
Optionally, one or more anchor points connected with the control module are further included, and the anchor points are used for sending ranging encryption information to the ranging device based on the ranging key.
In a fifth aspect, the present application provides a computer readable storage medium storing a computer program for execution by a processor to implement a method as claimed in any one of the preceding claims.
The technical scheme provided by the embodiment of the application can comprise the following beneficial effects:
the electronic license plate provided by the embodiment of the application stores various secret keys in a mode of setting the security module, adopts various security verification modes during management and application, improves the security of the electronic license plate, and prevents the electronic license plate from being tampered and counterfeited in the data exchange process; the convenience of the electronic license plate in the handling process can be improved through the external equipment, and the service efficiency of the electronic license plate is improved; through the charge management system, the safety and convenience of charging are improved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
fig. 1 is a schematic structural diagram of an electronic license plate according to an embodiment of the present application;
fig. 2 is a flowchart of a method for managing an electronic license plate according to an embodiment of the present application;
FIG. 3 is a flowchart of another method for managing electronic license plates according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an electronic license plate management system according to an embodiment of the present application;
FIG. 5 is a flowchart of another method for managing electronic license plates according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an electronic license plate management system according to an embodiment of the present application;
fig. 7 is a flowchart of a method for managing an electronic license plate according to an embodiment of the present application;
fig. 8 is a flowchart of establishing a communication connection between an anchor point and a security module according to an embodiment of the present application;
fig. 9 is a flowchart of a method for managing an electronic license plate according to an embodiment of the present application;
FIG. 10 is a schematic structural diagram of another electronic license plate management system according to an embodiment of the present disclosure;
fig. 11 is a flowchart of another method for managing electronic license plates according to an embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The electronic license plate is based on the refinement and extension of the technology of passive radio frequency identification (RFID, radio Frequency Identification) of the Internet of things, the basic measure is to utilize the technical characteristics of high-precision identification, high-accuracy acquisition and high sensitivity of RFID, an electronic license plate tag is arranged on a motor vehicle, the RFID electronic license plate is used as a carrier of various information of the vehicle, and the data on the electronic license plate of each motor vehicle is read and written by being provided with authorized read-write equipment, so that the aim of management is fulfilled.
Referring to fig. 1 in detail, the present application provides an electronic license plate 10, which includes a control module 1 and a security module 2 connected with the control module 1.
The electronic license plate 10 in the present application mainly includes basic information of a vehicle, a license plate number, a vehicle identification number, a serial number of the electronic license plate 10, and the like, and may also include information such as annual inspection, insurance, environmental protection, and the like of the vehicle, which is not limited in this application. The electronic license plate 10 can adopt an RFID electronic tag based on an RFID technology, and the security module 2 is used as an information storage carrier, so that the security level is high, the implementation is convenient, the cost is low, and the implementation is quick.
The control module 1 uses an intelligent high-precision control chip singlechip as a core to coordinate the normal work of other modules. The control module 1 comprises an MCU, a storage unit, a radio frequency unit 11, a bluetooth unit 12, etc.
The security module 2 may be a device capable of receiving, processing and generating signals, such as a singlechip, an embedded chip, an FPGA, etc., and is used for encrypting and decrypting information; the security module 2 may of course also be a memory. The encryption and decryption may be a module or a circuit of hardware encryption, or may be a section of encryption program stored in a memory. The implementation of the security module 2 is not limited by the application.
Referring to fig. 2 in detail, the present application provides a method for managing an electronic license plate 10, where the method includes:
s01, a transparent transmission channel is established between the control module 1 and external equipment;
s02, the security module 2 establishes a security channel between the transparent transmission channel and external equipment;
s03, the security module 2 receives electronic license plate information based on the security channel.
It should be noted that, in the embodiment of the present application, transparent transmission refers to that in communication, no matter what the traffic content (transparent transmission data) is transmitted, only the content transmitted is responsible for being transmitted from the source address to the destination address, and no change is made to the traffic data content, which does not mean that the transparent transmission data is resolvable to the control module 1. The control module 1, as a transparent node, only needs to complete the transmission of the content and does not know the communication protocol between the secure channels.
In this embodiment, a two-factor handshake is adopted in the communication process between the electronic license plate 10 and the external device, and on one hand, the handshake is verified when the transparent transmission channel is established, and on the other hand, the handshake is verified when the security channel is established, as shown in fig. 3.
In this embodiment, the transparent transmission channel is a radio frequency channel, and the radio frequency channel is used for performing an initialization negotiation function of identity authentication between two communication parties before actual data transmission starts. S01, a transparent transmission channel is established between the control module 1 and external equipment, and the method comprises the following steps:
s101, the control module 1 receives application verification information sent by the external equipment; the application verification information comprises equipment identification of external equipment;
s102, the control module 1 establishes a radio frequency channel with the external equipment based on the application verification information.
The control module 1 comprises a radio frequency unit 11, and the radio frequency unit 11 is used for communicating radio frequency signals with external equipment. The radio frequency unit 11 may be used for receiving and transmitting radio frequency signals, and may include a transmitter for transmitting radio frequency signals and a receiver for receiving radio frequency signals. For example, the transmitter of the radio frequency unit 11 may send an uplink signal to an external device, and the receiver is configured to receive a downlink signal sent by the external device, and send the downlink signal to the control module 1 for processing.
In this embodiment, the external device may be the read-write device 300, and the downlink signal sent by the read-write device 300 to the radio frequency unit 11 may be generated according to the uplink signal sent by the radio frequency unit 11, or may be pushed to the radio frequency unit 11 after detecting that the signal of the external device is updated. The radio frequency unit 11 may send the message notification to the control unit for processing after receiving the message notification.
The read-write device 300 sends application verification information to the control module 1, where the application information includes an identifier of the read-write device 300 or an identifier of the cloud server 200, so that the control module 1 performs identity verification on the read-write device 300 after receiving the application verification information, and opens the authority of the read-write device 300 to perform read-write operation on the electronic license plate 10 according to the application information after the identity verification, establishes a radio frequency channel with the read-write device 300 through the control module 1, and returns feedback information passing based on the application verification information to the radio frequency reader-writer.
In this embodiment of the present application, the control device may also send application verification information to the read-write device 300, so that the external device verifies the electronic license plate 10, where the application verification information may be the vehicle identification number VIN, or may be a device factory number of the electronic license plate 10 device, and after mutual identity verification between the radio frequency device and the electronic license plate 10 hardware device, a radio frequency channel that can be communicated is established.
Specifically, in step S02 in the embodiment of the present application, the security module 2 establishes a security channel between the transparent channel and an external device, and the method includes:
s201, using the control module 1 as a transparent transmission node, and receiving handshake information sent by the external device by the security module 2 based on the transparent transmission channel;
s202, the security module 2 generates handshake response information based on the handshake information;
s203, the security module 2 sends handshake response information to the external device based on the transparent channel so as to establish the security channel.
In this embodiment, before the electronic license plate information is written into the security module 2, a handshake request is sent to the security module 2 through a radio frequency channel between the read-write device 300 and the control module 1 to verify the identity of the security module 2.
In this embodiment of the present application, the handshake information may include a set of random numbers for identity verification, the random numbers are digitally signed by a signature private key of the security module 2, handshake response information with digital signature information is obtained and sent to the cloud server 200, the handshake response information is checked by the cloud server 200 by using a signature public key corresponding to the signature private key, and if a signature checking condition is met, the security channel is activated, and the security module 2 enters a readable and writable state.
The key used by each electronic license plate 10 is unique, which will ensure that compromised keys do not expose the entire system. The key generation method is not limited in this application, and a plurality of different key generation methods in the prior art may be adopted. In this embodiment, when the electronic license plate 10 is initialized by the device, the signature key, the communication key, the ranging key, and the like may be written into the security module 2.
In the step S03 in the embodiment of the present application, the security module 2 receives electronic license plate information based on the security channel, and the method includes:
s301, the security module 2 receives encryption information of the electronic license plate 10 based on the security channel;
s302, the security module 2 decrypts the encrypted information of the electronic license plate 10 to obtain electronic license plate information.
The communication protocol of the secure channel is not limited in this application, and for example, a private network, an internal local area network, or the like may be used. By establishing a radio frequency channel which is mutually verified between the control module 1 and the read-write equipment 300, handshake information generated by the cloud server 200 can be sent to the security module 2, and handshake response information generated by the security module 2 can be sent to the cloud server 200; the electronic license plate information obtained by the cloud server 200 can be sent to the security module 2 through the independently generated security channel.
The secure module 2 and the cloud server 200 establish a secure channel, i.e. encrypted transmission using a symmetric key (GBA session key), and securely download the electronic license plate 10 to the secure module 2 via the established secure channel. In practical application, after the expiration date of the electronic license plate 10 (i.e. after expiration of the electronic license plate 10), the electronic license plate 10 is updated by the method described above.
In the embodiment of the application, the safety of writing the electronic license plate information is ensured through a plurality of verification modes, and on one hand, a radio frequency channel is established through verification of the read-write equipment 300; on the other hand, a handshake request of the cloud server 200 is sent through a radio frequency channel, and after verification, a security channel is established; on the other hand, the electronic license plate information is sent through the established security channel, so that clone and counterfeit labels are prevented, confidentiality of user information is realized, the security of the information of the electronic license plate 10 is improved, and the electronic license plate is prevented from being tampered or counterfeited.
Based on the same inventive concept, the present application provides an electronic license plate 10 comprising a control module 1 and a security module 2 connected to said control module 1, wherein,
the control module 1 is used for establishing a transparent transmission channel with external equipment;
the security module 2 is used for being based on a security channel between the transparent transmission channel and an external device; and receiving electronic license plate information based on the secure channel.
In one exemplary embodiment of the present application, a detailed description will be made below by way of example. The application provides a management method of an electronic license plate 10, which can realize that a cloud server 200 applies for electronic license plate information and issues the license plate information to the electronic license plate 10 through the cloud server 200, please refer to fig. 4-5, and the method comprises the following steps:
s110, the cloud server 200 obtains electronic license plate information corresponding to the vehicle information.
In this embodiment of the present application, the cloud server 200 may be provided by a vehicle enterprise, by performing on-line application, sharing, cancellation, modification, and use of the electronic license plate 10 services of the cloud server 200, specifically, by associating a vehicle factory identifier of a vehicle with an account identifier of a user, handshaking the user into a vehicle owner, and subsequently performing all services of the electronic license plate 10 through the account of the vehicle owner, the server of the account and a third party platform (e.g., a traffic management platform) are opened, and by implementing synchronous data with the third party platform to provide the electronic license plate 10 services of the electronic license plate 10 such as application, use, sharing, modification, cancellation, etc., further opening the server and the vehicle, and synchronizing electronic license plate information in real time, thereby improving convenience of the electronic license plate 10 in the processing, modification, and cancellation processes, and improving service efficiency of the electronic license plate 10.
In the present application, the vehicle information may include basic information of the vehicle, license plate number, vehicle identification number (Vehicle Identification Number, VIN) number, etc., and may also include information of annual inspection, insurance, environmental protection, etc. of the vehicle. Identity information of the user, such as identity cards, driver's license, etc., may also be included.
In the process of obtaining the electronic license plate information, a first experiment can be performed on vehicle information, user information and the like through the cloud server 200, application information is submitted to a third party platform after the verification is passed, the third party platform generates a corresponding electronic license plate 10 according to the information, a corresponding relation between the vehicle information and the electronic license plate 10 is established, and the electronic license plate information after the application is issued by the third party platform. In this application, the electronic license plate information mainly includes the serial number of the electronic license plate 10, and in other embodiments, other information related to the serial number of the electronic license plate 10 may also be included.
S111, the control module 1 establishes a radio frequency channel between the read-write equipment 300 and the equipment identifier;
s112, the control module 1 is used as a transparent node, and the cloud server 200 sends the handshake information to the security module 2 through the radio frequency channel;
S113, after receiving the handshake information, the security module 2 sends handshake response information to the cloud server 200 through a radio frequency channel;
s114, the cloud server 200 establishes a secure channel with the secure module 2 based on the handshake response information.
S115, the cloud server 200 encrypts and encapsulates the electronic license plate information to generate battery license plate encryption information;
s116, the cloud server 200 sends encrypted information of the electronic license plate 10 after encryption packaging through the secure channel;
s117, the security module 2 decrypts the encrypted information of the electronic license plate 10 after receiving the encrypted information, obtains the electronic license plate information and stores the electronic license plate information.
In this embodiment of the present application, the control module 1 may also communicate with the cloud server 200 through wireless communication, for example, the communication device may download file resources from a server through wireless communication, for example, may download an application program from the cloud server 200, after the communication device downloads a certain application program, if the file resources corresponding to the application program in the cloud server 200 are updated, the cloud server 200 may send a message notification of the resource update to the communication device through wireless communication, so as to remind the user to update the application program.
In the embodiment of the present application, the wireless communication manner may be a plurality of manners, for example, WIFI, radio frequency, bluetooth, etc., and in the embodiment of the present application, the wireless communication manner is described as an exemplary manner.
As shown in fig. 6-7, the present application provides an electronic license plate management system and a management method, which are applied to the electronic license plate management system, wherein the electronic license plate management system includes a control module and a security module that are connected with each other, and the method includes:
ST10, the control module establishes communication connection with external equipment, and exchanges a ranging public key with the external equipment through the communication connection;
ST20, the security module stores a ranging secret key related to the communication connection and sends the ranging secret key to the control module, so that the control module sends ranging encryption information to the external device based on the ranging secret key, wherein the ranging secret key corresponds to the ranging public key, and the ranging public key is used for decrypting the ranging secret key.
In some possible embodiments, the electronic license plate management system includes one or more anchor points 3, the method comprising:
ST31, the security module 2 generates a ranging key related to the communication connection and issues the ranging key to the anchor point 3.
ST32, the anchor point 3 transmits ranging encryption information to an external device (e.g., ranging device 500) based on the ranging key.
In this embodiment, the anchor point 3 may employ wireless technology such as Ultra Wide Band (UWB) technology to communicate information between the external device and the anchor point 3. The specifications for such UWB techniques are set forth in Institute of Electrical and Electronics Engineers (IEEE) 802.15.4a, which is a standard for specifying wireless physical layer (PHY) implementation of accurate distance determination, and are not repeated herein.
In some embodiments, anchor 3 may be referred to as UWB anchor 3. The present application is not limited thereto and the anchor point 3 may use other wireless technologies such as BLE, bluetooth technology with High Accuracy Distance Measurement (HADM), low power consumption. Different settings may be made depending on the application scenario or the vehicle. The anchor point 3 may have wireless technology and be implemented in software, circuitry (e.g., analog circuitry, mixed signal circuitry, memory circuitry, logic circuitry, processing circuitry), or a combination thereof.
It can be appreciated that the management system applied to the electronic license plate 10 in the present application may be applied to scenes such as parking lot charging, high-speed charging, and the like. In the embodiment of the present application, the external device may be a charging server 400, where the charging server 400 is configured to receive electronic license plate information and generate charging information based on the electronic license plate information. When the charging server 400 and the electronic license plate 10 perform information interaction, the information after multiple encryption is adopted, so that the information is prevented from being stolen and tampered in the information interaction process.
In the embodiment of the present application, the charging server 400 includes a bluetooth device with a communication function, where the bluetooth device includes bluetooth hardware matching information, and sends a communication request to a vehicle by sending a bluetooth broadcast packet with the matching information to surrounding vehicles; the bluetooth pairing process of the charging server 400 and the electronic license plate 10 on the vehicle is completed through a broadcasting channel of bluetooth.
In this embodiment, when the bluetooth unit 12 in the control module 1 receives the bluetooth broadcast signal, it determines whether the bluetooth signal field strength (RSSI) reaches a threshold, if so, establishes a bluetooth connection, and if not, refuses to establish the bluetooth connection.
In this embodiment, the Bluetooth unit 12 may have a transmitter and a receiver for implementing Bluetooth signal transmission and reception, respectively. In this embodiment, the bluetooth unit 12 may receive a bluetooth broadcast signal sent by an external device, and may also communicate by establishing a bluetooth link with the external device. The transmitter of the bluetooth unit 12 may send the uplink signal to the external device, and the receiver is configured to receive the downlink signal sent by the external device, and send the downlink signal to the control module 1 for processing.
Specifically, in the embodiment of the present application, for step ST10, the communication connection is a bluetooth communication connection, and the method further includes:
ST101, the control module 1 receives a ranging request signal based on the bluetooth communication connection;
ST102, the control module 1 determines whether to perform ranging with the external device based on the received ranging request signal;
ST103, when the control module 1 confirms that the ranging request signal meets the preset condition, ranging confirmation information is sent to external equipment based on the Bluetooth communication connection.
In an embodiment of the present application, the preset condition is that the ranging request signal is greater than a preset threshold. The method is not limited to preset conditions, and can be set differently according to different view scenes or application scenes. After bluetooth connection, on one hand, the ranging key can be interacted to prepare for subsequent exchange of ranging encryption information, and on the other hand, configuration of UWB information of the anchor point 3 and the ranging device 500 can be established.
After the electronic license plate 10 establishes a bluetooth connection with the charging server 400, the control module 1 needs to send configuration information (including information of link layer coding, channel setting, secret key, etc.) of the UWB anchor 3 to the charging server 400 through bluetooth, so as to prepare for the UWB ranging device 500 in the charging server 400. Meanwhile, the electronic license plate 10 sends UWB configuration information (including information of link layer code, channel setting, key, etc.) of the charging server 400 to the anchor point 3 through communication connection between the control module 1 and the anchor point 3.UWB information only in the same configuration can UWB anchor 3 accept UWB data frames from ranging device 500.
After receiving UWB configuration information of the other party, the charging server 400 and the anchor point 3 notify the ranging device 500 and the anchor point 3 to start ranging, and the charging server 400 receives ranging encryption information of the UWB data frame sent by the ranging device 500 and updates the current measured distance value in real time.
In the present application, the ranging encrypted information exchanged between the ranging device 500 and the anchor point 3 is encrypted communication information, so as to prevent information from being stolen and tampered in the communication process. The ranging public key in the encryption corresponding to the ranging encryption information has been exchanged in the bluetooth communication mode in step ST 10.
In this embodiment, a ranging request may be sent by a bluetooth broadcast mode, where the ranging request is used to request to obtain electronic license plate information, and after the bluetooth communication connection is established, the control module 1 replies the ranging request through the bluetooth communication connection, and only after the ranging request is confirmed, the electronic license plate 10 sends the electronic license plate information to the charging server 400.
The control module 1 stores a public key of external communication of the electronic license plate 10, the control module 1 is used for exchanging the public key, and the security module 2 is used as a storage carrier, wherein various secret keys (public keys) of external communication are stored.
In some possible embodiments, when the hardware device of the electronic license plate 10 leaves the factory, various keys of the user are written into the security module 2 for storage, and the public keys corresponding to the various private keys are stored in the control module 1.
It can be appreciated that in the embodiment of the present application, when the electronic license plate 10 leaves the factory, the vehicle identification number can be bound with the control module 1, and the control module 1 and the security module 2 are bound, so that the individual can be prevented from randomly replacing each component. The binding method can adopt any binding mode in the prior art, for example, the verification mode of each communication unit on the control module 1 is bound with the vehicle identification number, and various public keys of the control module 1 are bound with the equipment identification of the control module 1.
In an embodiment of the present application, as shown in fig. 8, the method further includes:
ST401, the security module 2 generates a first communication key based on the device identifier of the control module 1 and issues the first communication key to the control module 1, and the control module 1 communicates with the security module 2 based on the first communication key.
In this embodiment, the first communication key may be a communication key bound to a device identifier of the control module 1 or a vehicle identifier, and the security module 2 and the control module 1 may respectively grasp a public key or a private key, for example, the security module 2 sends electronic license plate information to the control module 1 based on the private key, and the control module 1 decrypts the information based on the public key.
In the embodiment of the application, the electronic license plate information of the vehicle stored by the security module 2 can only be read or rewritten under the verification of the secret key, so that the electronic license plate information can be effectively prevented from being imitated and tampered and can be used as the unique identity of each vehicle, the information of the electronic license plate 10 is ensured to be in one-to-one correspondence with the vehicle, the management is convenient, and the security of privacy protection of a vehicle owner is improved.
ST402, the security module 2 generates a second communication key based on the device identifier of the anchor point 3 and issues the second communication key to the anchor point 3 through the control module 1, and the anchor point 3 communicates with the control module 1 based on the second communication key.
In this embodiment of the present application, the security module 2 generates a communication key for communication between the anchor point 3 and the control module 1, and sends the communication key to the anchor point 3 and the control module 1 respectively, so as to implement communication information interaction between the anchor point 3 and the control module 1. By means of the communication key, it is ensured that the anchor point 3 is used as a component of the vehicle and is not tampered or falsified at will when communicating with the control module 1.
It should be noted that, in this embodiment of the present application, the identifier of the anchor point 3 is a CPU serial number inside the anchor point 3 device, an international mobile equipment identification number (International Mobile Equipment Identity, IMEI) of a communication module inside the anchor point 3 device, or an equipment identification number written by an equipment manufacturer, and a communication secret key based on the identifier of the anchor point 3 is generated by the security module 2, so that the anchor point 3 is prevented from being forged, and security is improved.
In the embodiment of the application, the anchor point 3 is bound with the control module 1, and if the anchor point 3 is updated, the anchor point 3 and the control module 1 need to be updated again at the cloud server 200 end for relation binding; similarly, the control module 1 needs to be replaced, and rebinding between the cloud server 200 and the security module 2 and the anchor point 3 is also needed. If the control module 1, the control module 1 or the anchor point 3 is replaced privately, normal communication between the control module 1 and the anchor point 3 is not possible, positioning service is not possible, or other application of the electronic license plate 10 is not possible, so that the electronic license plate 10 is almost impossible to be stolen by people.
The security module 2 is configured to generate a ranging key for exchanging ranging encryption information between the anchor point 3 and the external ranging device 500, and a ranging public key corresponding to the ranging key is set in the control module 1. By setting the distance measuring key, the vehicle can be ensured to be applied to various distance measuring systems, such as a charging management system, and communication information can not be intercepted in the communication process, so that the safety of the electronic license plate 10 is reduced.
Specifically, as shown in fig. 9, in step ST20, the security module 2 generates a ranging key related to the communication connection and issues the ranging key to the anchor point 3, and the method includes:
ST201, the control module 1 sends the information of the communication connection established at this time to the security module 2 based on the first communication key.
ST202, the security module 2 generates a current ranging key based on the information of the communication connection that is established this time, and sends the current ranging key to the control module 1, so that the control module 1 receives the current ranging key based on the first communication key. And/or
ST203, the security module issues the data to the anchor point 3 through the control module 1, so that the anchor point 3 receives the ranging key based on the second communication key. It can be understood that in the embodiment of the present application, the distance measurement communication between the anchor point and the distance measurement device is exemplified, but the present application is not limited thereto, and in different embodiments, the distance measurement communication function may also be implemented by other communication modes of the control module. In the embodiment of the present application, a manner of determining whether to perform ranging based on a bluetooth communication signal (ranging request signal) is illustrated, however, in different embodiments, ranging may be performed in other manners, which is not limited in this application.
In this embodiment of the application, to bluetooth communication connection can be the mode of many times connection, in order to improve the security to the charge, prevent that electronic license plate 10 from being stolen by the people, to control module 1 and external equipment in this application after establishing bluetooth communication at every turn, regenerate a current range finding secret key and issue anchor point 3 for this range finding management, this just has guaranteed electronic license plate 10 and is almost impossible to be stolen by the people, range finding encryption information also can not be tampered with at will.
In this embodiment, the ranging encryption information includes a time stamp and electronic license plate information.
In some possible embodiments, the control module sends ranging encryption information to the ranging device based on the ranging key, including:
ST311, the control module obtains the electronic license plate information from the security module based on the first communication secret key;
ST312, the control module obtains a time stamp and generates the ranging encryption information based on the ranging key.
In some possible embodiments, in step ST30, the anchor point 3 transmits ranging encryption information to the ranging device 500 based on the ranging key, including:
ST301, the control module 1 obtains the electronic license plate information from the security module 2 based on the first communication secret key;
ST302, the anchor point 3 obtains the electronic license plate information from the control module 1 based on the second communication secret key;
ST303, the anchor point 3 generates the ranging encryption information based on the ranging key and the time stamp.
In this embodiment, the charging server 400 receives the ranging encryption information through the ranging device 500, and the charging server 400 decrypts the ranging encryption information based on the ranging public key received through bluetooth and generates charging information based on the ranging encryption information.
In the present embodiment, the control module 1 and the toll server 400 may have synchronous clocks, and in ST, operations of clock synchronization may be performed when bluetooth communication of the control module 1 and the toll server 400 is established. The control module 1 determines a time stamp (i.e., departure time (ToD)) when the data packet is transmitted from the control module 1 to the charging server 400, and the charging server 400 determines a time stamp (i.e., arrival time (ToA)) when the data packet transmitted by the control module 1 is received by the charging server 400. ToD and ToA can be used to calculate the time of flight (ToF) of a data packet. It should be noted that, in the embodiment of the present application, the distance measuring actuator may perform distance measurement through the control module 1, and may also perform distance measurement through the charging server 400.
In the present application, the number of anchor points 3 on the vehicle is at least three. In a specific application, each anchor point 3 is arranged at a different position of the vehicle and is in communication connection with the control module 1, and the external device can be far away from the determined vehicle position through triangulation. In practical application, the number of the anchor points 3 can be determined according to specific requirements, and four anchor points 3 are taken as an example for illustration in the application, for example, four UWB anchor points 3 comprise left front, left rear, right front and right rear of the vehicle. The anchor point 3 may be located inside the vehicle, outside the vehicle, or both inside and outside the vehicle.
In the embodiment of the present application, the triangulation technique adopts a method of predicting the distance between the moving object and at least three reference points, and then determining the intersection point of the circles as the position of the moving object by generating three circles having the positions of the three reference points and the predicted three distances as radii. However, the present application is not limited thereto, and other technical methods for implementing ranging (range based) between the anchor point 3 and the ranging device 500 may be adopted in different embodiments, that is, the distance relationship between the coordinates of each reference point and the node to be positioned needs to be known, and the coordinates of the unknown node are obtained by establishing a distance relationship equation between the reference point and the node to be positioned by means of a mathematical equation, and further by calculating.
It will be appreciated that in the embodiments of the present application, the ranging manners among the anchor point 3, the control module 1 and the ranging device 500 are exemplarily described, and in other embodiments, the ranging may be implemented in other manners in the prior art. When the anchor point 3 communicates with the ranging device 500, it is only required to ensure that the ranging encryption information is the ranging encryption information encrypted by the ranging key of the security module 2 in the application. In addition, the communication mode and the communication information between the anchor point 3 and the control module 1 are not limited, so long as the communication information between the anchor point 3 and the control module 1 is encrypted by the communication key of the security module 2.
In this embodiment of the present application, the charging server 400 may establish bluetooth communication connection with the electronic license plate 10 at the charging entrance of the parking lot, and after receiving the ranging request through the anchor point 3, implement transmission of electronic license plate information, implement release, and the like. At the charging exit of the parking lot, the distance measurement encryption information interaction is further performed through the anchor point 3, and the charging fee is calculated at the charging server 400 and sent to the user.
In some embodiments, the charging server 400 may also provide the functions of binding license plate numbers by users, and realizing functions such as no-parking charging through functions such as payment treasures or WeChat payments or bank deposit card or bank credit card payment, rechargeable card recharging management, payment management, and fee settlement, cross-province and cross-city networking settlement, and the like.
Based on the same inventive concept, the application provides a management system of an electronic license plate 10, which comprises the electronic license plate 10 and a plurality of anchor points 3, wherein the electronic license plate 10 comprises a control module 1 and a safety module 2,
the control module 1 is used for establishing communication connection with external equipment, exchanging a ranging public key with the control module 1 through the communication connection, and sending ranging encryption information to the ranging equipment based on the ranging secret key;
The security module 2 is configured to generate the ranging key related to the communication connection and send the ranging key to the control module 1, where the ranging key corresponds to the ranging public key.
In one embodiment, one or more anchor points 3 connected to the control module are further included, the anchor points 3 for transmitting ranging encryption information to the ranging device 500 based on the ranging key.
In one exemplary embodiment of the present application, a detailed description will be made below by way of example. As shown in fig. 10-11, the present application provides a system and a method for managing electronic license plates, which can implement charging management of a charging server 400 through an electronic license plate 10, where the method includes:
ST111, the charging server 400 broadcasts a communication request through bluetooth;
ST112, the control module 1 establishes a bluetooth communication connection with the charging server 400 based on the received bluetooth broadcast communication request;
ST113, the charging server 400 establishes a bluetooth communication connection with the control module 1, and exchanges a ranging public key with the control module 1 through the communication connection;
ST114, the charging server 400 transmits a ranging request signal to the control module 1 through a bluetooth communication connection;
ST115, when the control module 1 confirms that the ranging request signal of the charging server 400 is greater than a preset threshold, transmitting ranging confirmation information to the charging server 400 based on the bluetooth communication connection;
ST116, the control module 1 refuses to establish bluetooth communication connection with the charging server 400 when confirming that the bluetooth broadcast signal of the charging server 400 is not greater than a preset threshold.
ST117, the security module 2 generates a ranging key associated with the current communication connection based on the current communication connection established by the control module 1 and the charging server 400, and issues the ranging key to the control module 1.
ST118, the control module 1 takes out the electronic license plate information from the security module 2 based on the first communication key, and sends the electronic license plate information to the anchor point 3 based on the second communication key.
ST119, the anchor point 3 receives the electronic license plate information based on the second communication key, generates the ranging encryption information based on the ranging key and the time stamp, and sends the ranging encryption information to the ranging device 500.
ST120 and charging server 400 receive and decrypt the ranging encryption information based on the ranging public key, and generate the ranging encryption information.
ST121 and charging server 400 determine whether or not a charging condition is satisfied based on the ranging encryption information, and generate charging information when the charging condition is satisfied.
Based on the same inventive concept, the present application provides a computer readable storage medium storing a computer program to be executed by a processor to implement the method of any one of the above.
Those of ordinary skill in the art will appreciate that all or a portion of the steps of the various methods of the above embodiments may be implemented by a program to instruct associated hardware, the program may be stored in a computer readable storage medium including Read Only Memory (ROM), random access Memory (Random Access Memory, RAM), programmable Read Only Memory (Programmable Read Only Memory, PROM), erasable programmable Read Only Memory (Erasable Programmable Read Only Memory, EPROM), one-time programmable Read Only Memory (Onetime Programmable Read Only Memory, OTPROM), electrically erasable rewritable Read Only Memory (Electrically Erasable Programmable Read Only Memory, EEPROM), compact disc Read Only Memory (CompactDisc Read Only Memory, CD ROM) or other optical disc Memory, magnetic disk Memory, magnetic tape Memory, or any other medium capable of being used to carry or store data that is readable by a computer.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present application.
It should be understood that for the term "and/or" that may appear herein, it is merely one association relationship that describes an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a alone, B alone, and both a and B; for the term "/and" that may appear herein, which is descriptive of another associative object relationship, it means that there may be two relationships, e.g., a/and B, it may be expressed that: a alone, a alone and B alone; in addition, for the character "/" that may appear herein, it is generally indicated that the context associated object is an "or" relationship.
It will be understood that when an element is referred to herein as being "connected," "connected," or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. In contrast, when an element is referred to herein as being "directly connected" or "directly coupled" to another element, it means that there are no intervening elements present. In addition, other words used to describe relationships between elements (e.g., "between … …" pair "directly between … …", "adjacent" pair "directly adjacent", etc.) should be interpreted in a similar manner.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," "including" and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, and do not preclude the presence or addition of one or more other features, quantities, steps, operations, elements, components, and/or groups thereof.
The present invention has been described in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the embodiments described. Those skilled in the art will appreciate that many variations and modifications are possible in light of the teachings of the invention, which variations and modifications are within the scope of the invention as claimed.
Claims (14)
1. The method for managing the electronic license plate is characterized by comprising a control module and a safety module connected with the control module, and the method comprises the following steps:
A transparent transmission channel is established between the control module and external equipment;
the security module establishes a security channel between the transparent transmission channel and external equipment;
the security module receives electronic license plate information based on the security channel.
2. The method of claim 1, wherein the transparent channel is a radio frequency channel, and wherein the transparent channel is established between the control module and an external device, the method comprising:
the control module receives application verification information sent by the external equipment; the application verification information comprises equipment identification of external equipment;
and the control module establishes a radio frequency channel with the external equipment based on the application verification information.
3. The method of claim 1, wherein the security module establishes a secure channel between the pass-through channel and an external device, the method comprising:
the security module receives handshake information sent by the external equipment based on the transparent transmission channel by taking the control module as a transparent transmission node;
the security module generates handshake response information based on the handshake information;
and the security module sends handshake response information to the external equipment based on the transparent channel so as to establish the security channel.
4. The method of claim 1, wherein the security module receives electronic license plate information based on the secure channel, the method comprising:
the security module receives electronic license plate encryption information based on the security channel;
and the security module decrypts the electronic license plate encryption information to obtain the electronic license plate information.
5. An electronic license plate is characterized by comprising a control module and a safety module connected with the control module, wherein,
the control module is used for establishing a transparent transmission channel with external equipment;
the security module is used for being based on a security channel between the transparent transmission channel and external equipment; and receiving electronic license plate information based on the secure channel.
6. The method is characterized by being applied to an electronic license plate management system, wherein the electronic license plate management system comprises a control module and a safety module which are connected with each other, and the method comprises the following steps:
the control module establishes communication connection with external equipment, and exchanges a ranging public key with the external equipment through the communication connection;
the security module stores a ranging secret key related to the communication connection and sends the ranging secret key to the control module so that the control module can send ranging encryption information to the external equipment based on the ranging secret key, wherein the ranging secret key corresponds to the ranging public key.
7. The method of claim 6, wherein the control module establishes a communication connection with an external device, the method comprising:
the control module receives a ranging request signal based on Bluetooth communication connection;
the control module judges whether to range with the external equipment based on the received ranging request signal;
and the control module sends ranging confirmation information to the external equipment based on the Bluetooth communication connection when confirming that the ranging request signal meets a preset condition.
8. The method of claim 6, wherein the electronic license plate management system further comprises a plurality of anchor points coupled to the control module, the method further comprising:
and the security module generates a ranging secret key related to the communication connection and transmits the ranging secret key to the anchor point so that the anchor point can transmit ranging encryption information to the external equipment based on the ranging secret key.
9. The method of claim 8, wherein the method further comprises:
the safety module generates a first communication secret key based on the equipment identifier of the control module and transmits the first communication secret key to the control module, and the control module communicates with the safety module based on the first communication secret key;
The security module generates a second communication secret key based on the equipment identifier of the anchor point and transmits the second communication secret key to the anchor point through the control module, and the anchor point communicates with the control module based on the second communication secret key.
10. The method of claim 9, wherein the security module stores a ranging key associated with the communication connection, the method comprising:
the control module sends the information of the communication connection established at this time to the safety module based on the first communication secret key;
the security module generates a current ranging key based on the information of the communication connection established at the time and sends the current ranging key to the control module so that the control module receives the current ranging key based on the first communication key;
and/or the security module issues the message to the anchor point through the control module, so that the anchor point receives the current ranging key based on the second communication key.
11. The method of claim 9, wherein the ranging encryption information comprises a time stamp and electronic license plate information, wherein the control module sends ranging encryption information to a ranging device based on a ranging key, comprising:
The control module obtains the electronic license plate information from the security module based on the first communication secret key;
the control module obtains a time stamp and generates the ranging encryption information based on the ranging key;
the anchor point sends ranging encryption information to the ranging device based on the ranging key, comprising:
the control module obtains the electronic license plate information from the security module based on the first communication secret key;
the anchor point obtains the electronic license plate information from the control module based on the second communication key;
the anchor point generates the ranging encryption information based on the ranging key and a time stamp.
12. The management system of the electronic license plate is characterized by comprising the electronic license plate, wherein the electronic license plate comprises a control module and a safety module which are connected with each other,
the control module is used for establishing communication connection with external equipment, exchanging a ranging public key with the control module through the communication connection, and sending ranging encryption information to the ranging equipment based on the ranging secret key;
the security module is used for generating the ranging secret key related to the communication connection and sending the ranging secret key to the control module, and the ranging public key is used for decrypting the ranging secret key.
13. The electronic license plate management system of claim 12, further comprising one or more anchor points coupled to the control module, the anchor points configured to transmit ranging encryption information to a ranging device based on a ranging key.
14. A computer readable storage medium, characterized in that the computer readable storage medium stores a computer program, which is executed by a processor to implement the method of any one of claims 1-4 or the method of any one of claims 6-11.
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| CN202210915173.0A CN117527282A (en) | 2022-07-29 | 2022-07-29 | Electronic license plate and management method, management system and medium thereof |
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