CN108550226B - Keyless sharing automobile system based on block chain technology and construction method thereof - Google Patents
Keyless sharing automobile system based on block chain technology and construction method thereof Download PDFInfo
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- CN108550226B CN108550226B CN201810346439.8A CN201810346439A CN108550226B CN 108550226 B CN108550226 B CN 108550226B CN 201810346439 A CN201810346439 A CN 201810346439A CN 108550226 B CN108550226 B CN 108550226B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/0042—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for hiring of objects
- G07F17/0057—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for hiring of objects for the hiring or rent of vehicles, e.g. cars, bicycles or wheelchairs
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- G—PHYSICS
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/22—Payment schemes or models
- G06Q20/28—Pre-payment schemes, e.g. "pay before"
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0645—Rental transactions; Leasing transactions
Abstract
The invention discloses a keyless sharing automobile system based on a block chain technology and a construction method thereof, wherein the system comprises an application layer, a block chain layer, a data storage layer and a physical layer; the application layer comprises a user management module, an automobile management module and an order management module; the block chain layer consists of a plurality of connected blocks and comprises an intelligent contract template used for executing user information registration and order contract terms; the data storage layer is used for storing user information, automobile information and order information, and hash values and storage positions of original data of the three kinds of information are stored by the block chain layer; the physical layer comprises a mobile terminal and an automobile terminal, the user sends an unlocking request through the mobile terminal, the automobile terminal comprises an automobile networking system and an automobile intelligent lock, the automobile intelligent lock is used for unlocking, and the automobile networking system is used for recording and uploading driving data. The system enables the vehicle owner and the vehicle renter to complete the issuing and receiving of the order through the intelligent contract without the participation of a third party, and reduces the transaction cost.
Description
Technical Field
The invention relates to the technical field of network space security, in particular to a keyless sharing automobile system based on a block chain technology and a construction method thereof.
Background
Today, effective management of the use of transportation assets is one of the biggest challenges facing modern cities, and one way to address this problem is to use a shared economy mode to reduce the number of cars by making better use of existing cars. Notably, the average time utilization for a car is 5%, so encouraging users to share their cars with others may help reduce the number of city cars. This can be achieved by a keyless start car sharing system. The user can rent the car provided by the car owner at a certain place in the city, obtain the right of use of the car by receiving the digital key, and pay according to the driving time and distance. Keyless-go car sharing systems may provide a relatively inexpensive and more flexible choice for users who occasionally need a car, as compared to traditional car rental companies.
However, the existing keyless-start automobile sharing system has the following defects and safety: the traditional intelligent networked automobile is in a rapid development stage, more and more vehicles without physical keys exist, and the safety management aiming at the digital keys also has great potential safety hazards; privacy: the traditional keyless automobile has great privacy disclosure problems (identity privacy and location privacy) due to real-time interaction with a manufacturer (or a service provider); availability: the traditional keyless-start automobile sharing system is based on centralized service, and has the problem of single-point failure, once the sharing system has irresistible failure, the service is unavailable, and the vehicle of the whole system cannot be driven.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a keyless sharing automobile system based on a block chain technology, the system enables an automobile owner and an automobile renter to carry out direct transaction without a third-party platform, an authorized user can use an automobile without a physical secret key, the transaction cost of the user is effectively reduced, and user data is stored in an encryption mode through a block chain layer, so that the confidentiality, the non-tampering property and the traceability of the data are ensured, and the privacy safety of the user is protected.
The invention also aims to provide a construction method of the keyless sharing automobile system based on the block chain technology.
The purpose of the invention can be realized by the following technical scheme:
a keyless sharing automobile system based on a block chain technology comprises an application layer, a block chain layer, a data storage layer and a physical layer;
the application layer comprises a user management module, an automobile management module and an order management module which are respectively used for managing user information, automobile information and order information;
the block chain layer consists of a plurality of connected blocks, wherein the connected blocks comprise an intelligent contract template used for executing user information registration and order contract terms;
the data storage layer is used for storing user information, automobile information and order information, wherein the hash values and the storage positions of the three kinds of information original data are stored by the block chain layer;
the physical layer comprises a mobile terminal and an automobile terminal, the user sends an unlocking request through the mobile terminal, the automobile terminal comprises an automobile networking system and an automobile intelligent lock, the automobile intelligent lock is used for unlocking, and the automobile networking system is used for recording and uploading driving data.
Further, the user management module is used for managing user information, including storing user personal information and a user private key, checking a user reputation value, generating a public key through an asymmetric encryption algorithm, storing a public key hash value as a user identifier, and providing a user registration contract interface for a user; the automobile management module is used for managing automobile information, and comprises basic information of owned vehicles and an automobile binding contract interface provided for a user; the order management module is used for order management, including checking, issuing, receiving and canceling orders, storing personal historical orders and providing an order contract interface for users.
Further, the intelligent contract template comprises a user registration contract, an automobile binding contract, a user reputation contract and an order contract; wherein the user registration contract comprises user personal information and a user identification; the automobile binding contract is used for associating the user with all automobiles of the user, and comprises an automobile ownership protocol, automobile basic information and an affiliated user identifier; the user reputation contract comprises a user reputation value, the user reputation value can be disclosed in an order issued by a user and serves as a reference condition, wherein the user reputation value can be increased when vehicles are returned regularly and are not damaged, and the user reputation value can be reduced when vehicles are returned irregularly and are damaged; the order contract is used for issuing and receiving keyless sharing automobile renting orders and comprises an initiator credit value, an order amount, automobile renting time, an automobile renting place, an automobile model and an order state, after a renter issues a renting request order, the order amount is locked through a third-party platform of the block chain layer, the order amount comprises an order rent and an order deposit, unlocking is carried out until the order time limit, if the automobile owner matches the order within the order effective time, the order amount is transferred to an automobile owner account through the order contract and is declared to be endowed with the automobile use right of the renter, and the automobile use right is recovered after the automobile renting time is up.
Further, the user information, the automobile information and the order information are stored in a data storage layer after being encrypted by adopting a public key encryption algorithm, and the summary data of the user information, the automobile information and the order information are stored in a block chain layer and comprise the hash value and the storage position of the original data information.
Furthermore, the physical layer comprises a mobile terminal and an automobile terminal, the user sends an unlocking request through the mobile terminal, the automobile terminal comprises an automobile networking system and an automobile intelligent lock, the automobile intelligent lock receives the automobile unlocking request, the block chain layer is accessed through the automobile networking system, the intelligent contract is checked to determine whether the automobile is unlocked, and the automobile networking system is used for recording and uploading driving data.
The other purpose of the invention can be realized by the following technical scheme:
a method for constructing a keyless sharing automobile system based on a block chain technology, the method comprising the steps of:
the method comprises the following steps that a vehicle owner and a renter complete personal information registration based on an intelligent contract at an application layer, the vehicle owner needs to bind all vehicles, the application layer sends the compiled intelligent contract to a block chain layer, all nodes of the block chain layer confirm the intelligent contract, user information and vehicle information are stored in a data storage layer in an encrypted mode after the intelligent contract is completed, and a hash value and a storage position of the intelligent contract are stored at the block chain layer;
a user issues an order according to an intelligent contract, the order content comprises order amount, automobile renting time, a vehicle using place and an automobile model, the order amount comprises order rent and order deposit, locking is carried out through a third-party platform of the block chain layer, unlocking is carried out until the order time limit, and if an owner matches the order within the order effective time, the automobile using right is given to a renter through the intelligent contract;
after obtaining the use right of the vehicle, a renter sends an unlocking request by using a mobile terminal, wherein the unlocking request comprises a renter user identifier and an unlocking vehicle identifier, the unlocking request is received by a vehicle intelligent lock in a Bluetooth or flow mode, an intelligent contract of a block chain layer is accessed by a vehicle networking system, and the renter is unlocked if the fact that the renter has the use right of the vehicle is detected;
in the process of driving the automobile by a renter, the automobile networking system uploads automobile data in real time, information is stored in the data storage layer in an encrypted mode, and a user can use the mobile terminal to check the information in real time;
after the automobile renting time is reached, the intelligent contract checks the automobile state, if the automobile is in a stop state, the automobile use right of a renter is automatically withdrawn, and the amount of the order is transferred to an automobile owner account; if the automobile is in a driving state, temporarily not revoking the automobile use right of the renter, and deducting corresponding money from the order deposit until the renter stops using the automobile;
after the order fulfillment is completed, the user reputation contract will update the user reputation value, wherein regular vehicle returns, non-damaged vehicles can increase the user reputation value, and unscheduled vehicle returns, damaged vehicles will decrease the user reputation value.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the keyless sharing automobile system based on the block chain technology enables an automobile owner and an automobile renter to automatically complete the issuing and receiving of orders through an intelligent contract without the participation of a third party, and transaction cost is reduced; meanwhile, the shared automobile verifies the automobile use right, and a user can use the automobile without a physical secret key, so that the complex processing flow is reduced; in addition, the system is based on a block chain network, a centralized database is not needed, and single-point faults are avoided; and the private data is stored in the data storage layer in an encryption mode, and the hash value of the private data is stored in the block chain layer, so that the confidentiality and the integrity of the data are ensured.
Drawings
Fig. 1 is a block chain technology-based architecture diagram of a keyless sharing automotive system according to an embodiment of the invention.
Fig. 2 is a physical layer entity diagram of a keyless sharing automotive system based on a block chain technique according to an embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
Example (b):
the embodiment provides a keyless sharing automobile system based on the block chain technology, and the hierarchical architecture diagram of the system is shown in fig. 1 and comprises an application layer, a block chain layer, a data storage layer and a physical layer;
the application layer comprises a user management module, an automobile management module and an order management module which are respectively used for managing user information, automobile information and order information; in the application layer, a user can edit or check user information, including user personal basic information and a user private key, and generate a user identifier, wherein a public key is generated through an elliptic curve encryption algorithm, and a public key hash value is used as the user identifier; the automobile information can be managed and checked, and the automobile information comprises owned automobile information, rented automobile information and driving data; orders can be edited and viewed, including order requirements and order status.
The block chain layer consists of a plurality of connected blocks, wherein the connected blocks comprise an intelligent contract template used for executing user information registration and order contract terms; the block chain layer belongs to the middle layer, and any platform supporting intelligent combination can be selected as a block chain platform. For example, an ether house is used as a block chain platform, the ether house can establish and release a new generation of distributed application platform, write in of an intelligent contract in a programming mode is supported, an application layer sends the compiled intelligent contract to a block chain layer, the node confirms the effectiveness of the intelligent contract, if the confirmation is passed, the intelligent contract is written into a block chain data layer, metadata information is written into the block chain layer, detailed data is written into a lower data storage layer, and the block chain layer ensures the consistency of information stored by all nodes based on a consensus mechanism provided by the ether house platform.
The data storage layer is used for storing user information, automobile information and order information, wherein the hash values and the storage positions of the three kinds of information original data are stored by the block chain layer; the user information, the automobile information and the order information are encrypted by adopting a public key encryption algorithm and then stored in a data storage layer, and the summary data of the user information, the automobile information and the order information are stored in a block chain layer and comprise the hash value and the storage position of the original data information.
The physical layer entity diagram is shown in fig. 2 and comprises a mobile terminal and an automobile terminal, and a user sends an unlocking request through the mobile terminal and checks driving data; the automobile terminal comprises an automobile networking system and an automobile intelligent lock and is used for receiving and responding to an unlocking request, and recording and uploading driving data. Specifically, the user sends the request of unblanking through mobile terminal, and car intelligence lock receives with the car request of unblanking, through car networking system access block chain layer, checks intelligent contract and decides whether unblank, and car networking system is used for the record and the upload of driving data simultaneously.
The intelligent contract template comprises a user registration contract, an automobile binding contract, a user reputation contract and an order contract; the user registration contract comprises user personal information (optionally disclosing the personal information) and a user identifier, wherein the user identifier is a user public key hash value; the automobile binding contract is used for associating the user with all automobiles of the user, and comprises an automobile ownership protocol, automobile basic information and an affiliated user identifier; the user reputation contract comprises a user reputation value, the user reputation value can be disclosed in an order issued by a user and serves as a reference condition, wherein the user reputation value can be increased when vehicles are returned regularly and are not damaged, and the user reputation value can be reduced when vehicles are returned irregularly and are damaged; the order contract is used for issuing and receiving keyless sharing automobile renting orders and comprises an initiator credit value, an order amount, automobile renting time, an automobile renting place, an automobile model and an order state, after a renter issues a renting request order, the order amount is locked through a third-party platform of the block chain layer, the order amount comprises an order rent and an order deposit, unlocking is carried out until the order time limit, if the automobile owner matches the order within the order effective time, the order amount is transferred to an automobile owner account through the order contract and is declared to be endowed with the automobile use right of the renter, and the automobile use right is recovered after the automobile renting time is up.
The construction method of the keyless sharing automobile system based on the block chain technology comprises the following steps:
the method comprises the following steps that a vehicle owner and a renter complete personal information registration based on an intelligent contract at an application layer, the vehicle owner needs to bind all vehicles, the application layer sends the compiled intelligent contract to a block chain layer, all nodes of the block chain layer confirm the intelligent contract, user information and vehicle information are stored in a data storage layer in an encrypted mode after the intelligent contract is completed, and a hash value and a storage position of the intelligent contract are stored at the block chain layer;
a user issues an order according to an intelligent contract, the order content comprises order amount, automobile renting time, a vehicle using place and an automobile model, the order amount comprises order rent and order deposit, locking is carried out through a third-party platform of the block chain layer, unlocking is carried out until the order time limit, and if an owner matches the order within the order effective time, the automobile using right is given to a renter through the intelligent contract;
after obtaining the use right of the vehicle, a renter sends an unlocking request by using a mobile terminal, wherein the unlocking request comprises a renter user identifier and an unlocking vehicle identifier, the unlocking request is received by a vehicle intelligent lock in a Bluetooth or flow mode, an intelligent contract of a block chain layer is accessed by a vehicle networking system, and the renter is unlocked if the fact that the renter has the use right of the vehicle is detected;
in the process of driving the automobile by a renter, the automobile networking system uploads automobile data in real time, information is stored in the data storage layer in an encrypted mode, and a user can use the mobile terminal to check the information in real time;
after the automobile renting time is reached, the intelligent contract checks the automobile state, if the automobile is in a stop state, the automobile use right of a renter is automatically withdrawn, and the amount of the order is transferred to an automobile owner account; if the automobile is in a driving state, temporarily not revoking the automobile use right of the renter, and deducting corresponding money from the order deposit until the renter stops using the automobile;
after the order fulfillment is completed, the user reputation contract will update the user reputation value, wherein regular vehicle returns, non-damaged vehicles can increase the user reputation value, and unscheduled vehicle returns, damaged vehicles will decrease the user reputation value.
The above description is only for the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept within the scope of the present invention, which is disclosed by the present invention, and the equivalent or change thereof belongs to the protection scope of the present invention.
Claims (5)
1. A keyless sharing automobile system based on a block chain technology is characterized in that: the system comprises an application layer, a block chain layer, a data storage layer and a physical layer;
the application layer comprises a user management module, an automobile management module and an order management module which are respectively used for managing user information, automobile information and order information;
the block chain layer consists of a plurality of connected blocks, wherein the connected blocks comprise an intelligent contract template used for executing user information registration and order contract terms; the intelligent contract template comprises a user registration contract, an automobile binding contract, a user reputation contract and an order contract; wherein the user registration contract comprises user personal information and a user identification; the automobile binding contract is used for associating the user with all automobiles of the user, and comprises an automobile ownership protocol, automobile basic information and an affiliated user identifier; the user reputation contract comprises a user reputation value, the user reputation value can be disclosed in an order issued by a user and serves as a reference condition, wherein the user reputation value can be increased when vehicles are returned regularly and are not damaged, and the user reputation value can be reduced when vehicles are returned irregularly and are damaged; the order contract is used for issuing and receiving keyless sharing automobile renting orders and comprises an initiator credit value, an order amount, automobile renting time, an automobile renting place, an automobile model and an order state, after a renter issues a renting request order, the order amount is locked through a third-party platform of the block chain layer, the order amount comprises an order rent and an order deposit, unlocking is carried out until the order time limit, if the automobile owner matches the order within the order effective time, the order amount is transferred to an automobile owner account through the order contract and is declared to be endowed with the automobile use right of the renter, and the automobile use right is recovered after the automobile renting time is up;
the data storage layer is used for storing user information, automobile information and order information, wherein the hash values and the storage positions of the three kinds of information original data are stored by the block chain layer;
the physical layer comprises a mobile terminal and an automobile terminal, the user sends an unlocking request through the mobile terminal, the automobile terminal comprises an automobile networking system and an automobile intelligent lock, the automobile intelligent lock is used for unlocking, and the automobile networking system is used for recording and uploading driving data.
2. The keyless sharing vehicle system according to claim 1, wherein: the user management module is used for managing user information, and comprises the steps of storing user personal information and a user private key, checking a user reputation value, generating a public key through an asymmetric encryption algorithm, storing a public key hash value as a user identifier, and providing a user registration contract interface for a user; the automobile management module is used for managing automobile information, and comprises basic information of owned vehicles and an automobile binding contract interface provided for a user; the order management module is used for order management, including checking, issuing, receiving and canceling orders, storing personal historical orders and providing an order contract interface for users.
3. The keyless sharing vehicle system according to claim 1, wherein: the user information, the automobile information and the order information are encrypted by adopting a public key encryption algorithm and then stored in a data storage layer, and the summary data of the user information, the automobile information and the order information are stored in a block chain layer and comprise the hash value and the storage position of the original data information.
4. The keyless sharing vehicle system according to claim 1, wherein: the physical layer comprises a mobile terminal and an automobile terminal, a user sends an unlocking request through the mobile terminal, the automobile terminal comprises an automobile networking system and an automobile intelligent lock, the automobile intelligent lock receives the automobile unlocking request, the automobile intelligent lock accesses the block chain layer through the automobile networking system, whether unlocking is determined by an intelligent check contract, and the automobile networking system is used for recording and uploading driving data.
5. The method for implementing the key-free shared automobile system based on the block chain technology in any one of claims 1-4, wherein the method comprises the following steps:
the method comprises the following steps that a vehicle owner and a renter complete personal information registration based on an intelligent contract at an application layer, the vehicle owner needs to bind all vehicles, the application layer sends the compiled intelligent contract to a block chain layer, all nodes of the block chain layer confirm the intelligent contract, user information and vehicle information are stored in a data storage layer in an encrypted mode after the intelligent contract is completed, and a hash value and a storage position of the intelligent contract are stored at the block chain layer;
a user issues an order according to an intelligent contract, the order content comprises order amount, automobile renting time, a vehicle using place and an automobile model, the order amount comprises order rent and order deposit, locking is carried out through a third-party platform of the block chain layer, unlocking is carried out until the order time limit, and if an owner matches the order within the order effective time, the automobile using right is given to a renter through the intelligent contract;
after obtaining the use right of the vehicle, a renter sends an unlocking request by using a mobile terminal, wherein the unlocking request comprises a renter user identifier and an unlocking vehicle identifier, the unlocking request is received by a vehicle intelligent lock in a Bluetooth or flow mode, an intelligent contract of a block chain layer is accessed by a vehicle networking system, and the renter is unlocked if the fact that the renter has the use right of the vehicle is detected;
in the process of driving the automobile by a renter, the automobile networking system uploads automobile data in real time, information is stored in the data storage layer in an encrypted mode, and a user can use the mobile terminal to check the information in real time;
after the automobile renting time is reached, the intelligent contract checks the automobile state, if the automobile is in a stop state, the automobile use right of a renter is automatically withdrawn, and the amount of the order is transferred to an automobile owner account; if the automobile is in a driving state, temporarily not revoking the automobile use right of the renter, and deducting corresponding money from the order deposit until the renter stops using the automobile;
after the order fulfillment is completed, the user reputation contract will update the user reputation value, wherein regular vehicle returns, non-damaged vehicles can increase the user reputation value, and unscheduled vehicle returns, damaged vehicles will decrease the user reputation value.
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