CN112733168A - Driving data sharing method and system, storage medium and vehicle-mounted terminal - Google Patents
Driving data sharing method and system, storage medium and vehicle-mounted terminal Download PDFInfo
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- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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Abstract
The invention provides a method and a system for sharing driving data, a storage medium and a vehicle-mounted terminal, which comprise the following steps: acquiring running data of a vehicle, and carrying out local encryption and storage; acquiring a driving privacy calculation algorithm sent by the server, decrypting the encrypted driving data, calculating driving privacy information according to the driving data obtained by decryption and the driving privacy calculation algorithm, and generating certification information; and uploading the driving privacy information and the certification information to a third-party system, so that the third-party system can verify the certification information and the driving privacy information on the server. The driving data sharing method, the driving data sharing system, the storage medium and the driving data of the vehicle-mounted terminal are only stored locally in the vehicle-mounted terminal, and the privacy characteristics of the driving data are provided for a third party to use by a user.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a driving data sharing method, a driving data sharing system, a storage medium and a vehicle-mounted terminal.
Background
The internet of vehicles, namely the internet of things of vehicles, takes a running vehicle as an information perception object, and realizes network connection between vehicles, people, roads or service platforms by means of a new generation of information communication technology, namely, the vehicle internal network, the inter-vehicle network and the vehicle-mounted mobile internet are fused. The intelligent traffic management system has the advantages that the state information of the vehicle is sensed by using a sensing technology, intelligent management of traffic, intelligent decision of traffic information service and intelligent control of the vehicle are realized by means of a wireless communication network and a modern intelligent information processing technology, so that the overall intelligent driving level of the vehicle is improved, safe, comfortable, intelligent and efficient driving feeling and traffic service are provided for users, meanwhile, the traffic operation efficiency is improved, and the intelligent level of social traffic service is improved.
The vehicle-mounted terminal performs positioning and navigation by utilizing a vehicle-mounted GPS (global positioning system) to be matched with an electronic map, can know the exact position of the vehicle at any time and any place when the vehicle is driven, and can conveniently and accurately tell a driver the shortest or fastest route to a destination. Currently, in-vehicle terminals have been widely used in vehicles. At present, with the rapid development of technologies, a vehicle-mounted terminal develops many functions such as multimedia, broadcasting, searching, wireless communication, and the like, so that an intelligent service can be provided for a user.
Therefore, the rapid development of the internet of vehicles and the vehicle-mounted terminal realizes the rapid acquisition of the driving data of the user, such as position information, driving routes, driving habits and the like. By analyzing the driving data, a lot of information related to individual privacy can be obtained. For example, a home address and a unit address of a user can be inferred from position information for one time period; the sudden stop and sudden start information, overspeed information, turning speed information and the like of the user can be obtained from the driving habit information, so that the probability of traffic violation and traffic accident of the user can be judged, and an information basis is provided for insurance company to evaluate premium.
However, the existing driving data acquisition mode, transmission mode and storage mode all have certain risk of information leakage, which is not beneficial to protecting the privacy of users.
Disclosure of Invention
In view of the above-described drawbacks of the prior art, it is an object of the present invention to provide a travel data sharing method, system, storage medium, and in-vehicle terminal, where travel data is stored locally only in the in-vehicle terminal, and privacy characteristics of the travel data are provided by a user for use by a third party.
In order to achieve the above and other related objects, the present invention provides a driving data sharing method applied to a vehicle-mounted terminal, including the steps of: acquiring running data of a vehicle, and carrying out local encryption and storage; acquiring a driving privacy calculation algorithm sent by the server, decrypting the encrypted driving data, calculating driving privacy information according to the driving data obtained by decryption and the driving privacy calculation algorithm, and generating certification information; and uploading the driving privacy information and the certification information to a third-party system, so that the third-party system can verify the certification information and the driving privacy information on the server.
In an embodiment of the present invention, the method further includes obtaining the license storage information of the driving data and uploading the license storage information to a server; when the driving privacy information is calculated, firstly, the decrypted driving data is verified based on the evidence storing information provided by the server, and the driving privacy information is calculated only when the decrypted driving data is consistent with the evidence storing information.
In an embodiment of the present invention, the obtained driving privacy calculation algorithm includes a driving privacy calculation formula and a certification key for generating the certification information; the attestation information is generated by a zero-knowledge attestation algorithm.
In an embodiment of the present invention, the driving data includes one or more combinations of driving position information, driving speed information and driving route information.
Correspondingly, the invention provides a driving data sharing system, which is applied to a vehicle-mounted terminal and comprises a storage module, a calculation module and an uploading module;
the storage module is used for acquiring the driving data of the vehicle and carrying out local encryption storage;
the calculation module is used for acquiring the driving privacy calculation algorithm sent by the server, decrypting the encrypted driving data, calculating driving privacy information according to the driving data obtained by decryption and the driving privacy calculation algorithm, and generating certification information;
the uploading module is used for uploading the driving privacy information and the certification information to a third-party system so that the third-party system can verify the certification information and the driving privacy information on the server.
The present invention provides a storage medium on which a computer program is stored, which program, when executed by a processor, implements the above-described travel data sharing method.
The present invention provides a vehicle-mounted terminal, including: a processor and a memory;
the memory is used for storing a computer program;
the processor is configured to execute the computer program stored in the memory, so that the vehicle-mounted terminal executes the driving data sharing method.
Finally, the invention provides a driving data sharing system, which comprises the vehicle-mounted terminal, a server and a third-party system;
the third-party system is used for sending a driving privacy request to the server, receiving driving privacy information and certification information sent by the vehicle-mounted terminal, and verifying the driving privacy information on the server based on the certification information;
and the server is used for generating a driving privacy calculation algorithm according to the driving privacy request, sending the driving privacy calculation algorithm to the vehicle-mounted terminal, and verifying the driving privacy information and the certification information sent by the third-party system.
In an embodiment of the present invention, the driving privacy calculation algorithm includes a driving privacy calculation formula, a certification key for generating the certification information, and a verification key for verifying the certification information.
In an embodiment of the present invention, the server is further configured to receive the license information sent by the vehicle-mounted terminal, and return the license information to the vehicle-mounted terminal according to a request of the vehicle-mounted terminal, so that the vehicle-mounted terminal determines whether the decrypted driving data is consistent with the license information, and calculates the driving privacy information only when the driving data is consistent with the license information.
As described above, the driving data sharing method, the driving data sharing system, the storage medium and the vehicle-mounted terminal according to the present invention have the following advantageous effects:
(1) the driving data is only stored in the vehicle-mounted terminal in a local encryption manner and is not stored in any server, so that the risk of leakage of the driving data is greatly reduced;
(2) on the premise that the third-party system does not acquire the driving data, the privacy characteristics of the driving data are provided to the third-party system by the user, so that the driving data can be effectively used, and the normal operation of the service is ensured;
(3) the intelligent degree is high, and the user experience is greatly improved.
Drawings
FIG. 1 is a flowchart illustrating a driving data sharing method according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a driving data sharing system according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a vehicle-mounted terminal according to an embodiment of the invention;
fig. 4 is a schematic structural diagram of a driving data sharing system according to another embodiment of the invention.
Description of the element reference numerals
21 memory module
22 calculation module
23 upload module
31 processor
32 memory
41 vehicle-mounted terminal
42 server
43 third party system
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
The driving data sharing method, the driving data sharing system, the storage medium and the driving data of the vehicle-mounted terminal are only stored in the vehicle-mounted terminal in a local encryption mode, uploading of a server is not needed, and the driving privacy data are provided to a third-party system by a user according to personal wishes, so that the safety of the driving data can be guaranteed, reasonable use of the driving data can be effectively achieved, and the driving data sharing method and the driving data sharing system have high practicability.
As shown in fig. 1, in an embodiment, the driving data sharing method of the present invention is applied to a vehicle-mounted terminal, and includes the following steps:
and step S1, acquiring the running data of the vehicle, and carrying out local encryption and storage.
Specifically, when the vehicle is running, the in-vehicle terminal collects running data such as running position information, running speed information, running route information, and the like, through various sensors provided on the vehicle. Meanwhile, the vehicle-mounted terminal encrypts the driving data in an asymmetric encryption mode and stores the encrypted driving data in the local. The data can be stored in a U disk or a USB hard disk. Particularly, if the local storage space is insufficient, the user can also perform data backup through an external hard disk. Meanwhile, when the driving data is encrypted, the public key is used for encryption, and the private key is provided for a user so as to be convenient for decryption when needed subsequently.
Step S2, the driving privacy calculation algorithm transmitted from the server is acquired and the encrypted driving data is decrypted, and driving privacy information is calculated based on the driving data obtained by decryption and the driving privacy calculation algorithm, and certification information is generated.
Specifically, when a third-party system such as an insurance system and traffic management needs to acquire user travel-related privacy information, a travel privacy request containing the travel privacy information is sent to a server. And the server generates a corresponding driving privacy calculation algorithm according to the driving privacy request and provides the driving privacy calculation algorithm to the vehicle-mounted terminal. The vehicle-mounted terminal decrypts the encrypted driving data according to a private key, calculates the driving privacy information of the user according to the driving privacy calculation algorithm and the decrypted driving data, and generates the certification information of the driving privacy information by adopting a zero-knowledge certification algorithm. Preferably, the driving privacy calculation algorithm includes a driving privacy calculation formula, a Proving Key (PK) that generates the certification information, and a Verification Key (VK) that verifies the certification information. And the server sends the driving privacy calculation formula and the certification key for generating the certification information to the vehicle-mounted terminal, and locally stores the verification key for verifying the certification information so as to facilitate subsequent use.
In an embodiment of the present invention, the driving privacy calculation formula may be described in the form of R1CS (Rank-1 consensus System), the privacy calculation formula is an expression F containing public input x and secret input w, and zero knowledge proof may prove and verify a statement in the form of "given a public expression F and a public input x, i know a secret input w, so that F (x, w) is true", for example, "given an inequality 33a3-7b2+3>0, b is a public parameter, i know a certain number a so that an inequality is true".
And step S3, uploading the driving privacy information and the certification information to a third-party system, so that the third-party system can verify the certification information and the driving privacy information on the server.
Specifically, the vehicle-mounted terminal sends the driving privacy information and the certification information to the third-party system in a wireless mode. And the third-party system sends the driving privacy information and the certification information to the server, and verifies the driving privacy information and the certification information through the verification key for verifying the certification information so as to judge the authenticity of the driving privacy information and facilitate the adoption of real driving privacy information for service processing.
In an embodiment of the present invention, a compact non-interactive zero-knowledge proof (zk-SNARKs) is adopted to verify the proof information and the driving privacy information. The zk-SNARKs are evidence structures, so that certain information can be proved to be possessed under the condition of not revealing confidential information, certain preset conditions can be met, and meanwhile, no interaction is needed between a prover and a verifier.
In an embodiment of the present invention, the driving data sharing method further includes obtaining the license storage information of the driving data and uploading the license storage information to a server; when the driving privacy information is calculated, firstly, the decrypted driving data is verified based on the evidence storing information provided by the server, and the driving privacy information is calculated only when the decrypted driving data is consistent with the evidence storing information. Specifically, in order to further ensure the accuracy of the driving data adopted by the invention, the evidence storing information of the driving data is also required to be collected and uploaded to the server. Preferably, the authentication information adopts any irreversible calculation method, such as SHA256 Hash, MD5, and the like. When the vehicle-mounted terminal needs to calculate the driving privacy information, firstly acquiring the certificate storing information from the server, then verifying and decrypting the obtained driving data based on the certificate storing information, and calculating the driving privacy information if the certificate storing information and the driving data are consistent; and if the two are not consistent, stopping the calculation of the driving privacy data.
As shown in fig. 2, in an embodiment, the driving data sharing system of the present invention is applied to a vehicle-mounted terminal, and includes a storage module 21, a calculation module 22 and an upload module 23.
The storage module 21 is configured to obtain the driving data of the vehicle, and perform local encryption storage.
The calculation module 22 is connected to the storage module 21, and configured to acquire the driving privacy calculation algorithm sent by the server, decrypt the encrypted driving data, calculate driving privacy information according to the driving data obtained by decryption and the driving privacy calculation algorithm, and generate certification information.
The uploading module 23 is connected to the calculating module 22, and is configured to upload the driving privacy information and the certification information to a third-party system, so that the third-party system can verify the certification information and the driving privacy information on the server.
The structures and principles of the storage module 21, the calculation module 22 and the uploading module 23 correspond to the steps in the driving data sharing method one by one, and therefore are not described herein again.
It should be noted that the division of the modules of the above apparatus is only a logical division, and the actual implementation may be wholly or partially integrated into one physical entity, or may be physically separated. And the modules can be realized in a form that all software is called by the processing element, or in a form that all the modules are realized in a form that all the modules are called by the processing element, or in a form that part of the modules are called by the hardware. For example: the x module can be a separately established processing element, and can also be integrated in a certain chip of the device. In addition, the x-module may be stored in the memory of the apparatus in the form of program codes, and may be called by a certain processing element of the apparatus to execute the functions of the x-module. Other modules are implemented similarly. All or part of the modules can be integrated together or can be independently realized. The processing element described herein may be an integrated circuit having signal processing capabilities. In implementation, each step of the above method or each module above may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in the form of software. These above modules may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuits (ASICs), one or more microprocessors (DSPs), one or more Field Programmable Gate Arrays (FPGAs), and the like. When a module is implemented in the form of a Processing element scheduler code, the Processing element may be a general-purpose processor, such as a Central Processing Unit (CPU) or other processor capable of calling program code. These modules may be integrated together and implemented in the form of a System-on-a-chip (SOC).
The storage medium of the present invention stores thereon a computer program that realizes the above-described travel data sharing method when executed by a processor. Preferably, the storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic disk, U-disk, memory card, or optical disk.
As shown in fig. 3, in an embodiment, the vehicle-mounted terminal of the present invention includes: a processor 31 and a memory 32.
The memory 32 is used for storing computer programs.
The memory 32 includes: various media that can store program codes, such as ROM, RAM, magnetic disk, U-disk, memory card, or optical disk.
The processor 31 is connected to the memory 32, and is configured to execute the computer program stored in the memory 32, so that the vehicle-mounted terminal executes the driving data sharing method.
Preferably, the Processor 31 may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; the Integrated Circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, or discrete hardware components.
As shown in fig. 4, in an embodiment, the driving data sharing system of the present invention includes the vehicle-mounted terminal 41, the server 42 and the third party system 43.
The third-party system 43 is connected to the vehicle-mounted terminal 41 and the server 42, and configured to send a driving privacy request to the server 42, receive driving privacy information and certification information sent by the vehicle-mounted terminal 41, and verify the driving privacy information on the server 43 based on the certification information.
The server 42 is connected to the vehicle-mounted terminal 41 and the third-party system 43, and is configured to generate a driving privacy calculation algorithm according to the driving privacy request, send the driving privacy calculation algorithm to the vehicle-mounted terminal 41, and verify driving privacy information and certification information sent by the third-party system.
Specifically, when the third-party system 43 such as an insurance system, traffic management, or the like needs to acquire the user travel-related privacy information, a travel privacy request containing the travel privacy information is transmitted to the server 42. The server 42 generates a corresponding driving privacy calculation algorithm according to the driving privacy request, and provides the driving privacy calculation algorithm to the vehicle-mounted terminal 41. The vehicle-mounted terminal 41 first decrypts the encrypted travel data according to the private key, then calculates the travel privacy information of the user according to the travel privacy calculation algorithm and the decrypted travel data, and generates the certification information of the travel privacy information by using the zero-knowledge certification algorithm, and provides the certification information to the third-party system 43. The third-party system 43 may perform validity verification on the server for the received driving privacy information and certification information.
In an embodiment of the present invention, the server 42 is further configured to receive the certificate information sent by the vehicle-mounted terminal 41, and return the certificate information to the vehicle-mounted terminal according to a request of the vehicle-mounted terminal 41, so that the vehicle-mounted terminal 41 determines whether the decrypted driving data is consistent with the certificate information, and calculates the driving privacy information only when the driving data is consistent with the certificate information.
The driving data sharing method according to the present invention is further described below with reference to specific embodiments.
In this embodiment, the third party system is an automobile insurance business system. The insurance company provides specific logic of the driving privacy calculation formula, such as whether the owner has overspeed, the range of the number of sudden stops (for example, whether the number is more than 50), the range of the number of sudden turns (for example, whether the number is more than 30), the range of the number of unbelted driving (for example, whether the number is more than 10) and the like in the last year. The server generates a formula and parameters required for calculating the driving privacy information according to the logic. When a user buys insurance business, the vehicle-mounted terminal uses locally-stored exercise data to calculate the running privacy information to obtain the running privacy information and the certification information, and sends the running privacy information and the certification information to an insurance company. And the insurance company sends the driving privacy information and the certification information to the server for verification, and after the verification is correct, subsequent business operations such as premium estimation and the like are carried out according to the driving privacy information.
In conclusion, the driving data sharing method, the driving data sharing system, the storage medium and the driving data of the vehicle-mounted terminal are only stored in the vehicle-mounted terminal in a local encryption manner and are not stored in any server, so that the risk of driving data leakage is greatly reduced; on the premise that the third-party system does not acquire the driving data, the privacy characteristics of the driving data are provided to the third-party system by the user, so that the driving data can be effectively used, and the normal operation of the service is ensured; the intelligent degree is high, and the user experience is greatly improved. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A driving data sharing method is applied to a vehicle-mounted terminal and is characterized in that: the method comprises the following steps:
acquiring running data of a vehicle, and carrying out local encryption and storage;
acquiring a driving privacy calculation algorithm sent by the server, decrypting the encrypted driving data, calculating driving privacy information according to the driving data obtained by decryption and the driving privacy calculation algorithm, and generating certification information;
and uploading the driving privacy information and the certification information to a third-party system, so that the third-party system can verify the certification information and the driving privacy information on the server.
2. The travel data sharing method according to claim 1, characterized in that: obtaining the evidence storing information of the driving data and uploading the evidence storing information to a server; when the driving privacy information is calculated, firstly, the decrypted driving data is verified based on the evidence storing information provided by the server, and the driving privacy information is calculated only when the decrypted driving data is consistent with the evidence storing information.
3. The travel data sharing method according to claim 1, characterized in that: the obtained driving privacy calculation algorithm comprises a driving privacy calculation formula and a certification key for generating the certification information; the attestation information is generated by a zero-knowledge attestation algorithm.
4. The travel data sharing method according to claim 1, characterized in that: the driving data includes one or more combinations of driving position information, driving speed information, and driving route information.
5. The utility model provides a system is shared to data of traveling, is applied to vehicle-mounted terminal, its characterized in that: the device comprises a storage module, a calculation module and an uploading module;
the storage module is used for acquiring the driving data of the vehicle and carrying out local encryption storage;
the calculation module is used for acquiring the driving privacy calculation algorithm sent by the server, decrypting the encrypted driving data, calculating driving privacy information according to the driving data obtained by decryption and the driving privacy calculation algorithm, and generating certification information;
the uploading module is used for uploading the driving privacy information and the certification information to a third-party system so that the third-party system can verify the certification information and the driving privacy information on the server.
6. A storage medium on which a computer program is stored, characterized in that the program, when executed by a processor, implements the travel data sharing method according to any one of claims 1 to 4.
7. A vehicle-mounted terminal characterized by comprising: a processor and a memory;
the memory is used for storing a computer program;
the processor is configured to execute the computer program stored in the memory to cause the in-vehicle terminal to execute the travel data sharing method according to any one of claims 1 to 4.
8. A travel data sharing system characterized in that: comprising the in-vehicle terminal, the server, and the third-party system of claim 7;
the third-party system is used for sending a driving privacy request to the server, receiving driving privacy information and certification information sent by the vehicle-mounted terminal, and verifying the driving privacy information on the server based on the certification information;
and the server is used for generating a driving privacy calculation algorithm according to the driving privacy request, sending the driving privacy calculation algorithm to the vehicle-mounted terminal, and verifying the driving privacy information and the certification information sent by the third-party system.
9. The travel data sharing system according to claim 8, wherein: the driving privacy calculation algorithm includes a driving privacy calculation formula, a certification key for generating the certification information, and a verification key for verifying the certification information.
10. The travel data sharing system according to claim 8, wherein: the server is also used for receiving the certificate storing information sent by the vehicle-mounted terminal, returning the certificate storing information to the vehicle-mounted terminal according to the request of the vehicle-mounted terminal, so that the vehicle-mounted terminal judges whether the decrypted driving data is consistent with the certificate storing information or not, and calculates the driving privacy information only when the decrypted driving data is consistent with the certificate storing information.
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| CN116390063A (en) * | 2023-05-18 | 2023-07-04 | 北京集度科技有限公司 | Data processing method, privacy analysis system, device and vehicle |
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| CN112086097A (en) * | 2020-07-29 | 2020-12-15 | 广东美的白色家电技术创新中心有限公司 | Instruction response method of voice terminal, electronic device and computer storage medium |
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