CN114205109A - Internet of vehicles information management method and chip - Google Patents
Internet of vehicles information management method and chip Download PDFInfo
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- CN114205109A CN114205109A CN202111165470.XA CN202111165470A CN114205109A CN 114205109 A CN114205109 A CN 114205109A CN 202111165470 A CN202111165470 A CN 202111165470A CN 114205109 A CN114205109 A CN 114205109A
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- H—ELECTRICITY
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- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
- H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
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Abstract
The application relates to a vehicle networking information management method and a chip, wherein the chip comprises the following steps: a data storage unit that stores target data of a vehicle; the uplink module is used for calling target data in a preset time period in the data storage unit under the condition of obtaining uplink permission information, carrying out encryption operation by combining the location information and the time information of the target data in the preset time period, and uploading an encryption result to the block chain so as to solidify the target data in the preset time period to the block chain; the target data in the preset time period to be linked are stored through the chip for managing the Internet of vehicles information, the target data in the preset time period are combined through the link module built in the chip to generate the place information and the time information of the target data in the preset time period to carry out encryption operation, and then the encryption operation result is uploaded to the block chain so as to solidify the target data in the preset time period to the block chain, so that the data are prevented from being tampered before link.
Description
Technical Field
The invention belongs to the technical field of block chains, and particularly relates to a vehicle networking information management method and a chip.
Background
The block chain is a distributed account book technology, a distributed account book is trustfully and collectively maintained through de-centering, a plurality of nodes participate in the distributed account book collectively, and data cannot be tampered and a calculation result is credible through distributed storage and distributed calculation, so that a distributed database system is formed.
In addition, with the development of new energy, automatic driving, artificial intelligence and advanced sensor technology, the automobile realizes intelligent information exchange with people, vehicles, roads and the like through a vehicle-mounted sensing system and an information terminal, so that the vehicle has intelligent environment sensing capability, can automatically analyze the running safety and dangerous states of the vehicle, and can reach the destination according to the intention of people. With the improvement of the intelligent degree of the automobile, a large amount of data generated in the operation process of the automobile can be widely applied to the aspects of accident responsibility confirmation, accident-related insurance loss and compensation, accident site personnel and vehicle treatment, maintenance of accident vehicles and the like. Due to the fact that a plurality of mechanisms of vehicle manufacturers, traffic management, insurance and vehicle maintenance are involved, the integrity and the invariability of data need to be ensured in the processes of data maintenance, authentication, security and custody. Therefore, the data sharing, automobile management, accident handling, insurance claim settlement and other aspects of the vehicle networking information can be completed based on the block chain.
However, the prior art can guarantee that the data cannot be tampered after being linked, but cannot guarantee the reliability and the authenticity before being linked.
Disclosure of Invention
Based on this, it is necessary to provide a method and a chip for managing car networking information, where the chip for managing car networking information stores target data to be linked, and a linking module built in the chip combines the target data in a preset time period to generate location information and time information of the target data in the preset time period for encryption operation, and then uploads the encryption operation result to a block chain to solidify the target data in the preset time period to the block chain, so that the target data in the preset time period is prevented from being tampered before linking, and the target data in the preset time period is ensured to be always in an original state.
The invention provides a chip for vehicle networking information management, wherein the corresponding relation between a vehicle unique identification code VIN and a chip ID is stored in a block chain, and the chip comprises:
a data storage unit that stores target data of the vehicle, wherein the target data includes: driver behavior data, driving environment data and vehicle running state data;
and the uplink module is used for calling the target data in the preset time in the data storage unit under the condition of obtaining uplink permission information, carrying out encryption operation by combining the place information and the time information for generating the target data in the preset time, and uploading an encryption result to the block chain so as to solidify the target data in the preset time period to the block chain.
Optionally, the uplink module includes:
a data transmission unit;
the scheduling unit is used for calling the target data in the preset time period from the data storage unit and carrying out encryption operation by combining the place information and the time information of the target data in the preset time period to obtain a corresponding data abstract;
and the intelligent contract running unit is used for uploading the data abstract to a block chain through the data transmission unit under the condition of acquiring the uplink permission information so as to solidify the target data in the preset time period to the block chain.
Optionally, the intelligent contract running unit is specifically configured to: broadcasting the data abstract to a block chain node through the data transmission unit;
selecting a winner node from the block link points based on a consensus algorithm;
and writing the data abstract into a block chain through the winning node so as to solidify target data in a preset time period corresponding to the data abstract on the block chain.
Optionally, the intelligent contract running unit is further configured to: sending a query request to the block chain to search the data abstract of the uplink corresponding to the VIN and the chip ID;
the scheduling unit is further configured to call target data in a preset time period before the uplink in the data storage unit based on the VIN and the chip ID, perform encryption operation by combining location information and time information of the target data in the preset time period, and compare the encrypted data with the data abstract of the uplink to determine whether the target data in the preset time period before the uplink is in an original state, so as to complete target data verification before and after the uplink.
Optionally, under the condition that it is determined that the data digest obtained by encrypting the target data in the preset time period before the uplink and the location information and the time information for generating the target data in the preset time period is the same as the data digest already uplink, it is determined that the target data in the preset time period before the uplink is in the original state.
Optionally, the uplink module further includes:
the encryption operation unit is used for carrying out encryption operation on the target data in the preset time period and the location information and the time information for generating the target data in the preset time period under the control of the scheduling unit to obtain a corresponding data abstract;
and the positioning system unit is used for acquiring the position information and the time information when the target data in the preset time period are generated, and uploading the position information and the time information when the target data in the preset time period are generated to the encryption operation unit for encryption under the control of the scheduling unit.
Optionally, the encryption operation algorithm includes any one or more of the following items: asymmetric encryption, symmetric encryption, or hash calculation (SHA256, SHA512, MD 5).
Optionally, the uplink module further includes:
the data acquisition unit is used for acquiring and uploading the target data to the data storage unit;
and/or the data screening unit is used for screening the data in the data storage unit based on a preset screening rule to obtain the target data;
and/or an intelligent algorithm unit for calculating a data baseline and a user behavior model for analyzing and predicting the abnormal event based on the target data.
The invention provides a vehicle networking information management method, which is characterized in that the method is applied to a chip for vehicle networking information management, and the corresponding relation between VIN and chip ID is stored in a block chain, wherein the method comprises the following steps:
under the condition of obtaining uplink permission information, calling corresponding target data from target data obtained after screening based on a preset screening rule according to a preset time period, and carrying out encryption operation by combining location information and time information of the target data generated in the preset time period to obtain corresponding data digests, wherein the target data comprises: driver behavior data, driving environment data and vehicle running state data;
broadcasting the data summary to block link points;
based on a consensus algorithm, a winner node is selected from the block link points, and the data summary is written into the block chain through the winner node, so that the data summary is solidified onto the block chain.
Optionally, after completing the uplink, the method further includes:
inquiring locally pre-stored target data in a preset time period before uplink based on the VIN and the chip ID, and comparing the target data with the data abstract of the uplink after carrying out encryption operation by combining the place information and the time information of the target data in the preset time period;
and under the condition that the uplink state and the target data are identical, judging that the target data in the preset time period before the uplink is in the original state so as to finish the target data verification in the preset time period before and after the uplink.
A third aspect of the present invention provides a terminal device, comprising a processor and a memory; the memory is used for storing computer instructions, and the processor is used for operating the computer instructions stored by the memory so as to realize the Internet of vehicles information management method.
A fourth aspect of the present invention provides a computer-readable storage medium storing one or more programs, the one or more programs being executable by one or more processors to implement the above-described car networking information management method.
The invention has the following beneficial effects: storing target data to be subjected to chain loading through the chip for vehicle networking information management, combining the target data in a preset time period through a chain loading module arranged in the chip to generate place information and time information of the target data in the preset time period to carry out encryption operation, and uploading an encryption operation result to a block chain to solidify the target data in the preset time period to the block chain, so that the target data in the preset time period is prevented from being tampered before chain loading, and the target data in the preset time period is ensured to be in an original state all the time; therefore, the target data in the preset time period can be widely applied to the aspects of accident responsibility confirmation, accident-related insurance damage and compensation, accident site personnel and vehicle treatment, accident vehicle maintenance and the like; and the data integrity which are required by a plurality of mechanisms of vehicle manufacturers, traffic management, insurance and vehicle maintenance in the processes of data maintenance, authentication, security and custody are ensured.
Drawings
FIG. 1 is a schematic diagram of a chip for vehicle networking information management in one embodiment;
FIG. 2 is a diagram of an application environment of a method for managing Internet of vehicles information according to another embodiment;
FIG. 3 is a schematic flow chart of a vehicle networking information management method according to another embodiment;
fig. 4 is an internal configuration diagram of a terminal device in another embodiment.
In fig. 1, 101, a data storage unit; 201. a data transmission unit; 202. an intelligent contract operation unit; 203. a scheduling unit; 204. a data screening unit; 205. a data acquisition unit; 206. a positioning system unit; 207. and (4) an intelligent algorithm unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
FIG. 1 is a schematic diagram of a chip for vehicle networking information management in one embodiment;
FIG. 2 is a diagram of an application environment of a method for managing Internet of vehicles information according to another embodiment; FIG. 3 is a schematic flow chart of a vehicle networking information management method according to another embodiment; fig. 4 is an internal configuration diagram of a terminal device in another embodiment.
As can be seen from fig. 1 to 4, the present embodiment discloses a chip for vehicle networking information management, wherein a correspondence between a vehicle unique identification code VIN and a chip ID is stored in a block chain, and the chip includes: a data storage unit 101 that stores target data of the vehicle, wherein the target data includes: driver behavior data, driving environment data and vehicle running state data; the uplink module is configured to, under the condition that uplink permission information is acquired, call target data in the data storage unit 101 within a preset time period, perform encryption operation in combination with location information and time information for generating the target data within the preset time period, and upload an encryption result to a block chain to solidify the target data within the preset time period to the block chain.
In this way, the target data to be linked is stored by the chip for managing the internet of vehicles information, the target data in the preset time period is combined by the link module arranged in the chip to generate the site information and the time information of the target data in the preset time period for encryption operation, and then the encryption operation result is uploaded to the block chain so as to solidify the target data in the preset time period to the block chain, so that the target data in the preset time period is prevented from being tampered before the link, and the target data in the preset time period is ensured to be always in the original state; therefore, the target data in the preset time period can be widely applied to the aspects of accident responsibility confirmation, accident-related insurance damage and compensation, accident site personnel and vehicle treatment, accident vehicle maintenance and the like; and the data integrity which are required by a plurality of mechanisms of vehicle manufacturers, traffic management, insurance and vehicle maintenance in the processes of data maintenance, authentication, security and custody are ensured.
Specifically, as can be seen from fig. 1 to 4, another embodiment discloses a chip for vehicle networking information management, wherein a correspondence relationship between the vehicle unique identification code VIN and the chip ID is stored in a block chain, in another embodiment, a manufacturer writes vehicle information into the chip when a vehicle leaves a factory, and writes the correspondence relationship between the vehicle unique identification code VIN and the chip ID information into the block chain. Specifically, the vehicle information includes, but is not limited to, static information, which is written to the chip by the manufacturer at the time of factory shipment, and the static information includes, but is not limited to: vehicle brand, engine number, vehicle system, vehicle type, vehicle body color, displacement, power, wheelbase, axle count, date of delivery, front track, rear track, and total mass. Also, the chip ID is used to uniquely identify the chip.
Further, the chip includes: in this embodiment, the data storage unit 101 stores target data of the vehicle, where the target data includes: driver behavior data, driving environment data and vehicle running state data;
moreover, the uplink module is configured to, under the condition that the uplink permission information is acquired, invoke the target data in the data storage unit 101 within the preset time period, perform encryption operation in combination with the location information and the time information that generate the target data within the preset time period, and upload the encryption result to the block chain to solidify the target data within the preset time period to the block chain.
It should be noted that, in another embodiment, the target data in the preset time period referred to herein and retrieved from the data storage unit 101 and applied to the encryption operation may be data in any specified time period or a plurality of any specified times, and the duration of the specified time period is not limited herein, and may even be a time point, such as: 2.00 am; or 2.00am-3.00 am; or 2.00am and 3.00 am; or 2.00am-3.00am and 4.00am-5.00 am.
In another embodiment, the encryption result uploaded to the block chain forms a unique correspondence with the VIN and the chip ID.
In another embodiment, the target data in the preset time period, the location information for generating the target data in the preset time period, and the time information may be stored in the data storage unit 101, and the three form a unique correspondence relationship.
It is noted that the data storage unit 101 stores dynamic information and the static information, wherein the dynamic information includes, but is not limited to, the target data. In addition, the data storage unit 101 may be an exemplary on-chip storage device, which includes but is not limited to: volatile memory and non-volatile memory NVM.
In another embodiment, the uplink module includes: the system comprises a data transmission unit 201, a scheduling unit 203 and an intelligent contract running unit 202, wherein the data transmission unit 201 is used for transmitting data in a chip to a block chain or a backup node through an external wireless/wired network connection.
The scheduling unit 203 is configured to call the target data in the preset time period from the data storage unit 101, and perform encryption operation by combining the location information and the time information of the target data in the preset time period to obtain a corresponding data digest;
furthermore, the scheduling unit 203 is used for managing the scheduling of data among the data acquisition unit 205, the data storage unit 101, the intelligent algorithm unit 207 and the intelligent contract execution unit 202.
The intelligent contract operating unit 202 is configured to, in a case that the uplink permission information is acquired, upload the data summary to a block chain through the data transmission unit 201, so as to solidify the target data within the preset time period to the block chain.
In particular, a smart contract is a computer protocol intended to propagate, verify, or execute contracts in an informational manner that can be represented as a computer program that runs exactly on a blockchain. The intelligent contract unit processes and transmits the collected target data in the preset time period, the location information and the time information for generating the target data in the preset time period by operating the intelligent contract code, and the characteristics of the block chain technology ensure that the data is stored, read and executed in the whole process, so that the data is transparent, traceable and not falsifiable.
In another embodiment, the intelligent contract running unit 202 is specifically configured to: broadcasting the data summary to a blockchain node through the data transmission unit 201; selecting a winner node from the block link points based on a consensus algorithm; and writing the data abstract into a block chain through the winning node so as to solidify target data in a preset time period corresponding to the data abstract on the block chain.
Specifically, during data uplink, a data uplink request is sent to the intelligent contract operating unit 202 through the scheduling unit 203, and the intelligent contract operating unit 202 sends an inquiry request to the block chain to search for data records corresponding to the VIN and the chip ID; if the record is found in the block chain, the intelligent contract returns confirmation information, otherwise, error information is prompted; the scheduling unit 203 extracts target data within a preset time period from the data storage unit 101, performs encryption operation by combining location information and time information for generating the target data within the preset time period, broadcasts the operation result (data summary) to each node in the block chain through the data transmission unit 201, selects a winner node based on a consensus algorithm, and uploads the operation result (data summary) to the block chain through the data transmission unit 201 so as to solidify the target data within the preset time period to the block chain.
After finishing the data chaining, if the data on the data chaining needs to be verified, an inquiry request can be sent to the block chain through the intelligent contract running unit 202 so as to call the data abstract of the data on the data chaining corresponding to the VIN and the chip ID; then, based on the VIN and the chip ID, the scheduling unit 203 calls the target data in the preset time period before the uplink in the data storage unit 101, performs encryption operation by combining the location information and the time information of the target data in the preset time period, and compares the encrypted data with the data abstract of the uplink to determine whether the target data in the preset time period before the uplink is in an original state, so as to complete target data verification in the preset time period before and after the uplink; in addition, under the condition that it is determined that the data digest obtained by encrypting the target data in the preset time period before the uplink and the location information and the time information for generating the target data in the preset time period is the same as the data digest of the uplink, it may be determined that the target data in the preset time period before the uplink remains in the original state.
In another embodiment, the uplink module further comprises: an encryption operation unit and a positioning system unit 206, wherein the encryption operation unit is configured to perform encryption operation on the target data in the preset time period and the location information and the time information for generating the target data in the preset time period under the control of the scheduling unit 203 to obtain a corresponding data digest; the positioning system unit 206 is configured to acquire position information and time information when the target data in the preset time period is generated, and upload the position information and the time information when the target data in the preset time period is generated to the encryption operation unit for encryption under the control of the scheduling unit 203.
Specifically, the encryption operation unit is used for encryption and decryption related operations in a data transmission process, an intelligent contract operation process and a workload certification process. Including but not limited to: asymmetric encryption, symmetric encryption, hash calculations (SHA256, SHA512, MD5, etc.);
and the positioning system unit 206 can be connected with the Beidou or the GPS, and obtains the geographic position and the clock information of the current vehicle from the positioning system chip, wherein the information can be used for marking the time information and the place information generated by the target data in the preset time period uploaded to the block chain.
Of course, in this embodiment, the cryptographic unit and/or the positioning system unit 206 is in parallel relationship with the uplink module, that is: the chip includes the encryption operation unit and/or the system-on-chip unit, and a data storage unit 101.
Wherein the cryptographic operation algorithm comprises any one or more of: asymmetric encryption, symmetric encryption, or hash calculation (SHA256, SHA512, MD 5). Such as: and performing hash calculation on the target data in a preset time period and the location information and the time information for generating the target data in the preset time period to obtain the data abstract.
In another embodiment, the uplink module further comprises: a data acquisition unit 205, and/or a data screening unit 204, and/or an intelligent algorithm unit 207.
The data acquisition unit 205 is configured to acquire and upload target data in the preset time period to the data storage unit 101; the data screening unit 204 is configured to screen the data in the data storage unit 101 based on a preset screening rule to obtain target data in the preset time period; the intelligent algorithm unit is used to calculate a data baseline and a user behavior model for analyzing and predicting abnormal events based on data (any target data stored in the data storage unit 101).
In this embodiment, the data acquisition unit 205, and/or the data filtering unit 204, and/or the intelligent algorithm unit 207 may also be configured to be in a parallel relationship with the uplink module, that is: the chip comprises a data storage unit 101, and a data acquisition unit 205 and/or a data screening unit 204 and/or an intelligent algorithm unit 207.
Specifically, the intelligent algorithm unit 207 may generate a data baseline and a user behavior model according to the driver behavior data, the driving environment data, and the vehicle operating state data, and may predict an abnormal situation according to model analysis, so the intelligent algorithm unit 207 may be used to predict an abnormal situation of the vehicle.
The data collected by the data collection module are divided into: driver behavior data, driving environment data, vehicle operating state data; the acquisition mode is divided into active and passive modes and is realized by an active acquisition unit and a passive detection unit; active acquisition is driven by specific events: such as driving abnormity, dangerous environment, fault early warning, accident occurrence and the like; passive detection is performed by the system sending data to the module at a predetermined time period. The collected data can be divided into lightweight data and global data. The collected data is stored in the data storage unit 101.
The data screening unit 204 selects the element data from the data storage unit 101 according to a preset data screening policy (the preset screening rule) to perform data solidification according to the preset data screening policy, wherein the policy meets the business requirements of insurance, car credit, traffic accident responsibility confirmation, product responsibility confirmation, operation behavior, repair record, software upgrade, and the like. The data screened by the module is subjected to Hash calculation by an encryption operation module to generate a data abstract, and the data abstract is stored in a block chain. By using the data screening unit 204 to screen the data in the data storage unit 101 instead of selecting all the data, the problems of excessive data size, cost and storage safety can be solved.
In addition, in the above embodiments, the data storage unit 101, the data transmission unit 201, the intelligent contract execution unit 202, the scheduling unit 203, the intelligent algorithm unit 207, the positioning system unit 206, the data acquisition unit 205, the data screening unit 204, and the encryption operation unit are all connected by a bus.
In another embodiment, a vehicle networking information management method is provided, which can be applied to the application environment shown in fig. 2. Wherein the terminal 102 communicates with the server 104 via a network. Under the condition of obtaining the uplink permission information, the terminal 102 calls corresponding target data from the target data obtained after screening based on the preset screening rule according to a preset time period, and performs encryption operation by combining the location information and the time information of the target data generated in the preset time period to obtain a corresponding data abstract; wherein the target data in the preset time period comprises: driver behavior data, driving environment data and vehicle running state data; and transmitting the data summary to the server 104, the server 104 broadcasting the data summary to the block link points, selecting a winner node from the block link points based on a consensus algorithm, and writing the data summary into the block chain through the winner node to solidify the data summary onto the block chain. The terminal 102 may be, but not limited to, various personal computers, notebook computers, smart phones, tablet computers, and portable wearable devices, and the server 104 may be implemented by an independent server or a server cluster formed by a plurality of servers.
In this way, the target data to be linked is stored by the chip for managing the internet of vehicles information, the target data in the preset time period is combined by the link module arranged in the chip to generate the site information and the time information of the target data in the preset time period for encryption operation, and then the encryption operation result is uploaded to the block chain so as to solidify the target data in the preset time period to the block chain, so that the target data in the preset time period is prevented from being tampered before the link, and the target data in the preset time period is ensured to be always in the original state; therefore, the target data in the preset time period can be widely applied to the aspects of accident responsibility confirmation, accident-related insurance damage and compensation, accident site personnel and vehicle treatment, accident vehicle maintenance and the like; and the data integrity which are required by a plurality of mechanisms of vehicle manufacturers, traffic management, insurance and vehicle maintenance in the processes of data maintenance, authentication, security and custody are ensured.
Specifically, as shown in fig. 3, a method for managing information of a vehicle networking system is disclosed, where the method is applied to the chip for managing information of a vehicle networking system, and a correspondence between a VIN and a chip ID is stored in a block chain, and the method includes:
step S301: under the condition of obtaining the uplink permission information, calling corresponding target data from the target data obtained after screening based on a preset screening rule according to a preset time period, and carrying out encryption operation by combining the location information and the time information of the target data generated in the preset time period to obtain a corresponding data abstract;
specifically, the chip for internet of vehicles information management screens data stored in the data storage unit 101 through the data screening unit 204 based on a preset data screening policy to obtain target data, where the target data meets business needs such as insurance, car credit, traffic accident responsibility confirmation, product responsibility confirmation, operation behavior, repair records, and software upgrade; then, under the condition of obtaining the uplink permission information, the scheduling unit 203 calls the target data within the preset time period, and then the encryption operation unit performs the encryption operation based on the target data within the preset time period and the location information and the time information uploaded by the positioning system unit 206 and used for generating the target data within the preset time period, so as to obtain the corresponding data digest.
In this embodiment, the data screening unit 204 screens the data in the data storage unit 101, instead of selecting all the data, so as to solve the problems of excessive data size, cost and storage security.
Wherein, the above target data all include: driver behavior data, driving environment data and vehicle running state data;
step S302: broadcasting the data summary to block link points;
step S303: based on a consensus algorithm, a winner node is selected from the block link points, and the data summary is written into the block chain through the winner node, so that the data summary is solidified onto the block chain.
Specifically, the intelligent contract running unit 202 broadcasts the data summary to the blockchain nodes through the data transmission unit 201; selecting a winner node from the block link points based on a consensus algorithm; and writing the data abstract into a block chain through the winning node so as to solidify target data in a preset time period corresponding to the data abstract on the block chain.
In another embodiment, after completing the data uplink, a data verification phase may be performed, and the method further includes:
step S304: inquiring target data in a preset time period before the uplink, which are prestored locally based on the VIN and the chip ID, and comparing the target data with the data abstract of the uplink after carrying out encryption operation by combining the place information and the time information of the target data in the preset time period;
step S305: and under the condition that the uplink state and the target data are identical, judging that the target data in the preset time period before the uplink is in the original state so as to finish the target data verification in the preset time period before and after the uplink.
Specifically, the intelligent contract running unit 202 sends a query request to the blockchain to search for the uplink data digest corresponding to the VIN and the chip ID; the scheduling unit 203 calls target data in a preset time period before the uplink in the data storage unit 101 based on the VIN and the chip ID, performs encryption operation by combining location information and time information of the target data in the preset time period, and compares the encrypted data with the data abstract of the uplink to determine whether the target data in the preset time period before the uplink is in an original state, so as to complete target data verification in the preset time period before and after the uplink.
In this regard, the chip for internet of vehicles information management screens data stored in the data storage unit 101 by the data screening unit 204 based on a preset data screening policy to obtain target data that meets the business needs of insurance, car credit, traffic accident responsibility confirmation, product responsibility confirmation, operation behavior, repair record, software upgrade, and the like; then, under the condition of obtaining the uplink permission information, the scheduling unit 203 calls the target data within the preset time period, and then the encryption operation unit performs the encryption operation based on the target data within the preset time period and the location information and the time information uploaded by the positioning system unit 206 and used for generating the target data within the preset time period, so as to obtain the corresponding data digest.
In another embodiment, the car networking information management method comprises the following steps:
step S401 of registering
1. When the automobile leaves a factory, a manufacturer writes automobile information into a chip;
2. the manufacturer writes the corresponding relation between the automobile (VIN vehicle identification code) and the chip ID information into a block chain;
step S402, identity authentication
1. The scheduling unit 203 sends a data uplink request to the intelligent contract running unit 202;
2. the intelligent contract running unit 202 sends a query request to the block chain, and searches for data records corresponding to the VIN and the chip ID;
3. if the record is found in the block chain, the intelligent contract returns confirmation information, otherwise, error information is prompted;
4. the scheduling unit 203 extracts the required data from the storage unit, and broadcasts the data to each node in the block chain through the data transmission unit 201 (i.e. the following data is solidified);
step S403, data acquisition
1. The data acquisition unit 205 monitors the daily operation of the automobile equipment and the driving behavior of the user;
2. the scheduling unit 203 transmits the data to the intelligent algorithm unit 207, and generates a data baseline and a user behavior model;
3. the intelligent algorithm unit 207 analyzes and predicts abnormal events according to data baselines, user behavior models and driving environments (such as congestion conditions, climate, time, visibility and the like), and switches data collection from a lightweight mode to a global mode;
4. the scheduling unit 203 extracts data to be stored from the data received by the data acquisition unit 205 and transmits the data to the storage unit;
step S404, data solidification
1. The data screening unit 204 meets the business requirements of insurance, vehicle credit, traffic accident responsibility confirmation, product responsibility confirmation, operation behavior, repair records, software upgrading and the like based on a preset data screening strategy, screens element data to perform data solidification instead of selecting all data, and solves the problems of overlarge data amount, cost and storage safety;
2. when data needs to be linked up, the scheduling unit 203 extracts target data in a preset time period from the storage unit and transmits the target data to the encryption operation unit, stores the position and time data obtained from the positioning system unit 206, and performs hash calculation on the position and time data (the position information and the time information for generating the target data in the preset time period) and the target data in the preset time period to be linked up together to generate a data summary;
3. the intelligent contract running unit 202 broadcasts the data abstract to the blockchain nodes through the data transmission unit 201;
4. selecting a winner node by the block link points according to a consensus algorithm, recording data into the block chain, and fixing the data on the block chain after confirmation is obtained;
step S405, when a third party needs to extract verification data:
1. extracting target data in a corresponding preset time period and position and time data during data generation from in-chip storage equipment;
2. performing Hash calculation again on the data to obtain a data abstract;
3. inquiring the block chain to obtain an uploaded data abstract;
4. and comparing the data digests, and if the data digests are the same, indicating that the target data in the preset time period keeps the original state and is not tampered.
In this regard, the chip for internet of vehicles information management screens data stored in the data storage unit 101 by the data screening unit 204 based on a preset data screening policy to obtain target data that meets the business needs of insurance, car credit, traffic accident responsibility confirmation, product responsibility confirmation, operation behavior, repair record, software upgrade, and the like; then, under the condition of obtaining the uplink permission information, the scheduling unit 203 calls the target data within the preset time period, and then the encryption operation unit performs the encryption operation based on the target data within the preset time period and the location information and the time information uploaded by the positioning system unit 206 and used for generating the target data within the preset time period, so as to obtain the corresponding data digest.
In another embodiment, a terminal device is provided, which may be a server, and its internal structure diagram may be as shown in fig. 4. The terminal device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the terminal device is configured to provide computing and control capabilities. The memory of the terminal equipment comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The database of the terminal device is used for storing relevant data. The network interface of the terminal device is used for connecting and communicating with an external terminal through a network. The computer program is executed by a processor to implement a vehicle networking information management method.
Those skilled in the art will appreciate that the structure shown in fig. 4 is a block diagram of only a portion of the structure associated with the present application, and does not constitute a limitation on the terminal device to which the present application applies, and that a particular terminal device may include more or less components than those shown, or combine certain components, or have a different arrangement of components. In addition, the terms and implementation principles related to this embodiment may specifically refer to a method for managing information of the internet of vehicles in the embodiment of the present invention, and are not described herein again.
In another embodiment, a computer-readable storage medium is provided, on which a computer program is stored, which when executed by a processor implements a vehicle networking information management method as described above.
The terms and implementation principles related to a computer-readable storage medium in this embodiment may specifically refer to a method for managing information of a vehicle networking in the embodiment of the present invention, and are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and Rambus dynamic RAM.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A chip for vehicle networking information management is characterized in that the corresponding relation between a vehicle unique identification code (VIN) and a chip ID is stored in a block chain, and the chip comprises:
a data storage unit that stores target data of the vehicle, wherein the target data includes: driver behavior data, driving environment data and vehicle running state data;
and the uplink module is used for calling the target data in the preset time in the data storage unit under the condition of obtaining uplink permission information, carrying out encryption operation by combining the place information and the time information for generating the target data in the preset time, and uploading an encryption result to the block chain so as to solidify the target data in the preset time period to the block chain.
2. The chip of claim 1, wherein the uplink module comprises:
a data transmission unit;
the scheduling unit is used for calling the target data in the preset time period from the data storage unit and carrying out encryption operation by combining the place information and the time information of the target data in the preset time period to obtain a corresponding data abstract;
and the intelligent contract running unit is used for uploading the data abstract to a block chain through the data transmission unit under the condition of acquiring the uplink permission information so as to solidify the target data in the preset time period to the block chain.
3. The chip of claim 2, wherein the smart contract execution unit is specifically configured to: broadcasting the data abstract to a block chain node through the data transmission unit;
selecting a winner node from the block link points based on a consensus algorithm;
and writing the data abstract into a block chain through the winning node so as to solidify target data in a preset time period corresponding to the data abstract on the block chain.
4. The chip of claim 2, wherein the smart contract execution unit is further configured to: sending a query request to the block chain to search the data abstract of the uplink corresponding to the VIN and the chip ID;
the scheduling unit is further configured to call target data in a preset time period before the uplink in the data storage unit based on the VIN and the chip ID, perform encryption operation by combining location information and time information of the target data in the preset time period, and compare the encrypted data with the data abstract of the uplink to determine whether the target data in the preset time period before the uplink is in an original state, so as to complete target data verification before and after the uplink.
5. The chip according to claim 4, wherein in case that it is determined that a data digest obtained by encrypting target data in a preset time period before uplink and location information and time information for generating the target data in the preset time period is the same as a data digest of uplink, it is determined that the target data in the preset time period before uplink remains in an original state.
6. The chip of any one of claims 4 to 5, wherein the uplink module further comprises:
the encryption operation unit is used for carrying out encryption operation on the target data in the preset time period and the location information and the time information for generating the target data in the preset time period under the control of the scheduling unit to obtain a corresponding data abstract;
and the positioning system unit is used for acquiring the position information and the time information when the target data in the preset time period are generated, and uploading the position information and the time information when the target data in the preset time period are generated to the encryption operation unit for encryption under the control of the scheduling unit.
7. The chip of claim 6, wherein the cryptographic algorithm comprises any one or more of: asymmetric encryption, symmetric encryption, hash calculation.
8. The chip of claim 1, wherein the uplink module further comprises:
the data acquisition unit is used for acquiring and uploading the target data to the data storage unit;
and/or the data screening unit is used for screening the data in the data storage unit based on a preset screening rule to obtain the target data;
and/or an intelligent algorithm unit for calculating a data baseline and a user behavior model for analyzing and predicting the abnormal event based on the target data.
9. A vehicle networking information management method is applied to a chip for vehicle networking information management, and the corresponding relation between VIN and chip ID is stored in a block chain, and the method comprises the following steps:
under the condition of obtaining uplink permission information, calling corresponding target data from target data obtained after screening based on a preset screening rule according to a preset time period, and carrying out encryption operation by combining location information and time information of the target data generated in the preset time period to obtain corresponding data digests, wherein the target data comprises: driver behavior data, driving environment data and vehicle running state data;
broadcasting the data summary to block link points;
based on a consensus algorithm, a winner node is selected from the block link points, and the data summary is written into the block chain through the winner node, so that the data summary is solidified onto the block chain.
10. The method of claim 9, wherein after completing winding, the method further comprises:
based on VIN and chip ID, inquiring locally pre-stored target data in a preset time period before uplink, and comparing the target data with the data abstract of the uplink after carrying out encryption operation by combining the location information and the time information of the target data in the preset time period;
and under the condition that the uplink state and the target data are identical, judging that the target data in the preset time period before the uplink is in the original state so as to finish the target data verification in the preset time period before and after the uplink.
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