CN112581097A - Responsibility tracing method based on block chain - Google Patents
Responsibility tracing method based on block chain Download PDFInfo
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- CN112581097A CN112581097A CN202011555689.6A CN202011555689A CN112581097A CN 112581097 A CN112581097 A CN 112581097A CN 202011555689 A CN202011555689 A CN 202011555689A CN 112581097 A CN112581097 A CN 112581097A
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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
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
- G06Q10/103—Workflow collaboration or project management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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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
- G06F21/602—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
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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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
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
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Abstract
The invention discloses a block chain-based responsibility tracing method, which uses digital certificates of both parties to sign data of a key process of an algorithm connecting party and a service issuing party and calculates check hash through a block chain technology. And then deposited on the blockchain. Because each node of the block chain is respectively under a plurality of systems of the receiving party, the issuing party and the crowdsourcing platform, data cannot be tampered, the characteristics of the block chain such as consensus algorithm, non-tampering and the like are adopted, the credibility problem of the data is well solved, and the safety and the information transparency of the transactions of both parties of the transaction are ensured. The invention adopts the smart design of the intelligent contract, can utilize a reasonable data structure, not only meets the business requirements, but also can ensure the simplicity and the safety of the data. The invention increases credibility and constraint of business means, and changes the business means into realization through a block chain technology, thereby greatly simplifying the business process of the crowdsourcing platform and reducing the development difficulty and cost.
Description
Technical Field
The invention belongs to the field of block chains, and particularly relates to a responsibility tracing method based on a block chain.
Background
The traditional crowdsourcing platform solves the problem that people cannot find people and cannot find people, but the authority and credibility of the online platform are difficult to guarantee, which directly leads to a plurality of disputes. The traditional solution at present is to solve the online supervision problem manually by optimizing the service flow, increasing the admission threshold and the like, but with half the effort. Crowdsourcing platforms, in general, suffer from this problem. The present invention solves the problems that exist at present and is applicable to similar scenes.
As a crowdsourcing platform, a sender and an acquirer are involved. Both parties need to communicate the task progress in the business and ensure the successful achievement of the transaction. And this process is not free from many disputes and uncontrollable factors, such as how to guarantee the benefits of both parties? How to ensure the quality of the completion? How to safely deliver the design drawing? The handling of the problems is very troublesome, and disputes appear in the later period, so that a complete historical record is difficult to trace the responsibility.
The scheme adopted by the mainstream crowdsourcing platform at present is as follows: when the task is performed to a plurality of time nodes of 10%, 20%. and the like, constraint is performed through related means such as feedback and guarantee fund of the task. And recording related service data by adopting a traditional centralized database. And related means such as customer service and after-sale are added. The service flow is abnormally complex, the database is tampered by a system administrator in the traditional centralization process, the vulnerability still exists, the responsibility tracing still cannot be credible, and the data cannot be safe.
The above related measures increase the system development cost, the later operation and maintenance cost and the use cost of customers. The client generally has complicated reaction process, opaque information and low reliability.
Based on the problems, the responsibility tracing method based on the block chain comes from the beginning.
Disclosure of Invention
The invention aims to overcome the defects and provide a responsibility tracing method based on a block chain, so that the safety and the convenience are ensured, and meanwhile, the operation and maintenance cost can be greatly reduced.
In order to achieve the above object, the present invention comprises the steps of:
s1, the order issuing user and the order receiving user access the control system, and the control system distributes uniform time stamps to the order issuing user and the order receiving user;
s2, the control system opens server nodes for the order sending user and the order receiving user, and deploys response contract codes;
s3, the control system configures block chain related certificate for single user and single user, and configures block chain service gateway;
s4, the control system registers block chain ID for single user and single user, and generates corresponding public key and private key;
s5, at the key node of the business, sending the data and the authentication information to the control system, the control system signing through the corresponding private key, and storing the certificate on the chain;
and S6, the party receiving the data transmits the data to the block chain gateway, and hash check is carried out on the chain.
In S1, the timestamp is a timestamp of the national center.
In S1, the issuing user and the receiving user access the control system through the oauth2.0 protocol-based technology.
The order sending user and the order receiving user access the control system through the account and the password.
In S2, the issuing user determines the issued service and downloads the node access certificate and the specification.
In S4, the private key is used for signature and the public key is used for encryption.
And when responsibility pursuit is carried out, all data signed by the private key in the block chain are searched.
Compared with the prior art, the invention uses the digital certificates of both parties to sign the data of the key process of the business of the order receiving party and the order sending party by using the algorithm through the block chain technology and calculates the check hash. And then deposited on the blockchain. Because each node of the block chain is respectively under a plurality of systems of the receiving party, the issuing party and the crowdsourcing platform, data cannot be tampered, the characteristics of the block chain such as consensus algorithm, non-tampering and the like are adopted, the credibility problem of the data is well solved, and the safety and the information transparency of the transactions of both parties of the transaction are ensured. The invention adopts the smart design of the intelligent contract, can utilize a reasonable data structure, not only meets the business requirements, but also can ensure the simplicity and the safety of the data. The invention increases credibility and constraint of business means, and changes the business means into realization through a block chain technology, thereby greatly simplifying the business process of the crowdsourcing platform and reducing the development difficulty and cost.
Drawings
FIG. 1 is a flow chart of the present invention certificate checking service;
FIG. 2 is a schematic view of the tracing flow of the present invention;
FIG. 3 is a network topology diagram of a federation chain system in an embodiment of the present invention;
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, the present invention comprises the steps of:
s1, the order issuing user and the order receiving user access the control system, and the control system distributes uniform time stamps to the order issuing user and the order receiving user;
s2, the control system opens server nodes for the order sending user and the order receiving user, and deploys response contract codes;
s3, the control system configures block chain related certificate for single user and single user, and configures block chain service gateway;
s4, the control system registers block chain ID for single user and single user, and generates corresponding public key and private key;
s5, at the key node of the business, sending the data and the authentication information to the control system, the control system signing through the corresponding private key, and storing the certificate on the chain;
and S6, the party receiving the data transmits the data to the block chain gateway, and hash check is carried out on the chain.
Example (b):
referring to fig. 1, 2 and 3, the present invention comprises the following steps:
step A, firstly, a first party (an issuer) and a second party (an acquirer) log in a client system of a virtual design (a crowdsourcing platform) hospital, and the system is linked with a timestamp of a national time service center;
the user inputs an account number and a password or calls a verification technology carried by the mobile phone, such as: fingerprint identification module, iris identification, etc., using OAuth2.0 protocol-based technology to log in the system. Then the system automatically calls http:// www.ntsc.ac.cn (the website of the national time service center at present), and the current website time can be obtained after URL connection is established;
and step B, logging in a BSN portal website https:// www.bsnbase.com/establishing responsibility tracing service by the crowdsourcing platform, selecting server nodes for the first party and the second party to be opened, and deploying response contract codes. And finding the published service among the participating services, and downloading the node access certificate and the description after the participation.
And step C, downloading the SDK project in the BSN website, packaging and then putting the SDK project into a system of the user, configuring related certificates and developing BSN gateway services.
And D, respectively calling the identity IDs on the registration chains of the BSN gateways for the first party and the second party by a virtual design institute (crowdsourcing platform). The ID format is: the four parts of did: chain-id: bs-specific-string. colon partition represent: following the DID specification, the method name field of the fixed character "DID", the WeIdentity DID specification is fixed as "weid", the chain ID for routing to different chain networks, e.g. there may be multiple blockchains using WeIdentity at the same time, this field can be used as identification information for routing to a specific blockchain, the last representation is generated based on the underlying blockchain platform, representing the address of the Entity on the chain, ensuring network uniqueness.
And step E, generating public and private key pairs for each party while generating the on-chain identities. The private key is used for signing and the public key is used for encryption.
And step F, at the key service node, generating a check hash on the data, then signing by using a private key, and then sending the data to a contract through a gateway interface for chain certificate storage.
And G, the party receiving the data can transmit the data to the BSN gateway and carry out hash check on the chain.
And step H, the responsibility tracing and the positioning can be carried out in the dispute. The method comprises the following steps:
and time line tracing is carried out, transaction data, submitted task information, time and the like of all time of a service can be displayed in full, data with a signature in historical data can be positioned, and due to the fact that the data are encrypted and signed, the data are synchronously stored in each node by using a consensus algorithm in a alliance chain, cannot be tampered, and can be subjected to hash verification, so that both parties cannot be repudiated.
And (4) item tracing, namely, the related transaction data can be displayed and traced aiming at a certain item, and then the responsibility can be clearly determined.
The building, operation and maintenance of the alliance chain adopt block chain network basic service, and safety and convenience are guaranteed. Meanwhile, the operation and maintenance cost can be greatly reduced. Compared with a traditional centralized database, the distributed blockchain storage can ensure the safety of data.
Through chain link storage of personnel information, money amount, time, delivery results and the like of key steps in the crowdsourcing process, the original complex business process can be simplified, the use experience of a user is improved, and meanwhile the cost of a development system is reduced.
Claims (7)
1. A responsibility tracing method based on a block chain is characterized by comprising the following steps:
s1, the order issuing user and the order receiving user access the control system, and the control system distributes uniform time stamps to the order issuing user and the order receiving user;
s2, the control system opens server nodes for the order sending user and the order receiving user, and deploys response contract codes;
s3, the control system configures the block chain related certificate for the issuing user and the receiving user, and configures the block chain service gateway;
s4, the control system registers block chain ID for single user and single user, and generates corresponding public key and private key;
s5, at the key node of the business, sending the data and the authentication information to the control system, the control system signing through the corresponding private key, and storing the certificate on the chain;
and S6, the party receiving the data transmits the data to the block chain gateway, and hash check is carried out on the chain.
2. The block chain-based responsibility tracing method according to claim 1, wherein in the step S1, the timestamp is a timestamp of a national time service center.
3. The block chain based responsibility tracing method of claim 1, wherein in S1, the issuing user and the receiving user access the control system through the oauth2.0 protocol based technology.
4. The block chain-based responsibility tracing method according to claim 1 or 3, wherein the issuing user and the receiving user access the control system through an account and a password.
5. The block chain based responsibility tracing method of claim 1, wherein in S2, the issuing user determines the issued service and downloads the node access certificate and the specification.
6. The block chain-based responsibility tracing method of claim 1, wherein in S4, the private key is used for signature and the public key is used for encryption.
7. The block chain-based responsibility tracing method according to claim 1, wherein all data signed by a private key in the block chain is searched when responsibility tracing is performed.
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Cited By (1)
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| CN115601051A (en) * | 2022-09-14 | 2023-01-13 | 公诚管理咨询有限公司（Cn） | Credible engineering construction tracing method and system |
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