CN109413174B - Cross-department marine data sharing method based on block chain - Google Patents
Cross-department marine data sharing method based on block chain Download PDFInfo
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- CN109413174B CN109413174B CN201811216686.2A CN201811216686A CN109413174B CN 109413174 B CN109413174 B CN 109413174B CN 201811216686 A CN201811216686 A CN 201811216686A CN 109413174 B CN109413174 B CN 109413174B
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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
- H04L67/104—Peer-to-peer [P2P] networks
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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
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- 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
- H04L9/3247—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 involving digital signatures
Abstract
The invention discloses a block chain-based cross-department marine data sharing method, which comprises the following steps: generating an intelligent contract according to a multi-party user negotiation agreement, and determining a consensus node; deploying the intelligent contracts into a P2P network of the blockchain through the consensus nodes; receiving a data processing request of any marine data department, authenticating and verifying data requested by the data request, and generating a sharing form; wherein any one of the marine data departments is affiliated with one of the multi-party users; storing the shared form into a block chain account book and diffusing; carrying out whole-network consensus on the shared form, and transmitting the shared form to the whole network to generate a shared total form; and performing cross-department marine data sharing based on the sharing total form. The invention adopts distributed computing nodes and accounts book based on block chain, and mainly solves the problems of feasibility and safety of sharing mass data of cross-department.
Description
Technical Field
The invention belongs to the technical field of intelligent oceans, and particularly relates to a block chain-based cross-department ocean data sharing method.
Background
The intelligent ocean engineering is an organic combination of ocean industrialization and ocean informatization, and the industrial big data and internet big data technology is used to realize ocean resource sharing and ocean activity cooperation, mine new requirements, create new value and achieve the purpose of intelligent ocean. In the construction of "smart oceans" projects, a large amount of oceanic environment, target and activity data will be generated. The deep mining of the data is carried out, so that the application service capability is further formed, the value-added circulation of the data assets is the core value of the whole project, and the prerequisite of the deep mining is the opening and sharing of mass data under the condition that ownership is protected.
As the ocean economic activity in China is increasing day by day, the problems of data islanding, data opening and the like exist in the sharing circulation of cross-department ocean data, and therefore higher requirements are put forward for the safety of an ocean information system. Conventional data storage relies on a centralized system, may present a risk of data tampering, and is costly in both economy and time required for maintenance.
Disclosure of Invention
The technical problem of the invention is solved: the method overcomes the defects of the prior art, provides a block chain-based cross-department ocean data sharing method, adopts distributed computing nodes and accounts book based on the block chain, and mainly solves the problems of cross-department mass data sharing feasibility and safety.
In order to solve the technical problem, the invention discloses a block chain-based cross-department marine data sharing method, which comprises the following steps:
generating an intelligent contract according to a multi-party user negotiation agreement, and determining a consensus node;
deploying the intelligent contracts into a P2P network of the blockchain through the consensus nodes;
receiving a data processing request of any marine data department, authenticating and verifying data requested by the data request, and generating a sharing form; wherein any one of the marine data departments is affiliated with one of the multi-party users;
storing the shared form into a block chain account book and diffusing; wherein the shared form has a unique identifier in a block chain ledger book;
carrying out whole-network consensus on the shared form, and transmitting the shared form to the whole network to generate a shared total form;
and performing cross-department marine data sharing based on the sharing total form.
In the above block chain-based cross-department marine data sharing method, the intelligent contract includes: an authority contract; wherein, the authority contract comprises: public keys and private keys which are respectively and correspondingly mastered by each ocean data department.
In the above block chain-based cross-department marine data sharing method, the receiving a data processing request of any marine data department, authenticating and verifying data requested by the data request, and generating a sharing form includes:
receiving a data processing request of a current marine data department;
performing identity authentication and verification on an object requested to be processed by the data processing request;
and after the identity authentication and verification pass, carrying out digital signature according to a private key which is correspondingly matched with the current marine data department under the authority contract to generate a sharing form.
In the above block chain-based cross-department marine data sharing method, the storing and diffusing the shared form into the block chain book includes:
storing the data details corresponding to the shared form into a block chain account book;
the current block chain returns the unique identification recorded on the chain by the shared form;
and diffusing the data details corresponding to the shared form into a marine data department in the whole blockchain through a P2P network in the current blockchain.
In the block chain-based cross-department marine data sharing method, the method further includes:
and verifying other ocean data departments on the block chain, and feeding back verification information to any ocean data department by using a digital signature so as to make a decision by any ocean data department according to the fed-back verification information.
In the block chain-based cross-department marine data sharing method, the method further includes:
when receiving data sharing requests of other ocean data departments, performing information verification through a multi-center distributed system;
and after the verification is passed, sharing the data requested by the data sharing request to other marine data departments.
In the above block chain-based cross-department marine data sharing method, the intelligent contract includes: the contract is paid.
In the block chain-based cross-department marine data sharing method, the method further includes:
and when other marine data departments receive the data requested by the data sharing request, carrying out token payment to any marine data department according to a payment contract under the intelligent contract.
The invention has the following advantages:
(1) the invention discloses a block chain-based cross-department marine data sharing method, which adopts distributed computing nodes and accounts book based on block chains to mainly solve the problems of feasibility and safety of cross-department mass data sharing.
(2) The invention discloses a block chain-based cross-department marine data sharing method, which can quickly share data, and meanwhile, the data can be traceable, can not be tampered and forged, so that real-time and safe sharing of a large amount of marine data is realized.
(3) The invention discloses a block chain-based cross-department marine data sharing method, which can enable each participating department node to collaboratively finish data verification and storage, and the data generated and updated by using a distributed node consensus algorithm also has the advantages of non-revocable property, non-repudiation property and non-tamper property.
(4) The invention discloses a block chain-based cross-department marine data sharing method, which achieves a decentralized, sequential data, collective maintenance, programmable and safe and credible multi-center system through a distributed account book, and improves the dispersed and independent single centers into a unified multi-center with multi-party participation, thereby improving the trust transfer efficiency and reducing the transaction cost.
Drawings
FIG. 1 is a flowchart illustrating steps of a block chain-based cross-department marine data sharing method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a transaction for ocean data sharing according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, a flowchart illustrating steps of a block chain-based cross-department marine data sharing method according to an embodiment of the present invention is shown. Referring to fig. 2, a transaction diagram of ocean data sharing in an embodiment of the present invention is shown. In this embodiment, the method for sharing cross-department marine data based on a blockchain includes:
In this embodiment, an intelligent contract is generated according to a multi-party negotiation agreement, that is: and converting the agreement established by the common negotiation of all marine data departments of the participated project into the commitment of a machine language.
For example: each department commonly agrees on an agreement according to the needs, promises and stipulates the rights and obligations of both parties, and converts the agreement into machine language. Through the common acceptance of all departments, participating all the departments master the private key to carry out signature, protecting the right and obligation of the departments and ensuring the effectiveness of contracts. And all participating departments select consensus nodes.
And step 102, deploying the intelligent contract into a P2P network of the block chain through the consensus node.
Preferably, as previously mentioned, the smart contracts may include: a contract for rights. Wherein, the authority contract comprises: public keys and private keys which are respectively and correspondingly mastered by each ocean data department are used for protecting respective authority. Wherein any marine data department is affiliated to one of the multi-party users.
In this embodiment, the step 103 may be specifically implemented as follows: receiving a data processing request of any current marine data department; performing identity authentication and verification on an object requested to be processed by the data processing request; and after the identity authentication and verification pass, carrying out digital signature according to a private key which is correspondingly matched with any current marine data department under the authority contract, and generating a sharing form.
For example, when the marine data department a performs data addition and deletion on a volunteer ship, the organization (marine data department a) terminal can be logged in, the identity of the volunteer ship is authenticated and verified, a private key is used for signing, a sharing form is generated, corresponding data details are stored in a block chain account book, the block chain returns a unique identifier recorded on the chain, and finally, the data records are diffused to other marine data departments in the whole chain through a P2P network in the chain.
And step 104, storing the shared list into a block chain account book and diffusing.
In this embodiment, as described above, the data details corresponding to the shared form may be stored in the blockchain account book; the current block chain returns the unique identification recorded on the chain by the shared form; and diffusing the data details corresponding to the shared form into a marine data department in the whole blockchain through a P2P network in the current blockchain. Wherein each shared form has a unique identifier in the blockchain ledger.
And 105, performing total network consensus on the shared form, and transmitting the shared form to the total network to generate a shared total form.
And step 106, performing cross-department marine data sharing based on the sharing total form.
In a preferred embodiment of the present invention, the block chain-based cross-department marine data sharing method may further include: and verifying other ocean data departments on the block chain, feeding back verification information to any ocean data department by using a digital signature, avoiding re-recording information, feeding back incomplete information and disclosing wrong information so as to make a decision by any ocean data department according to the fed-back verification information.
In a preferred embodiment of the present invention, the block chain-based cross-department marine data sharing method may further include: when receiving data sharing requests of other ocean data departments, performing information verification through a multi-center distributed system; and after the verification is passed, sharing the data requested by the data sharing request to other marine data departments.
In a preferred embodiment of the present invention, the smart contract may further include: the contract is paid. And when other marine data departments receive the data requested by the data sharing request, carrying out token payment to any marine data department according to a payment contract under the intelligent contract.
The embodiments in the present description are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above description is only for the best mode of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Those skilled in the art will appreciate that the invention may be practiced without these specific details.
Claims (5)
1. A block chain-based cross-department ocean data sharing method is characterized by comprising the following steps:
generating an intelligent contract according to a multi-party user negotiation agreement, and determining a consensus node; wherein, the intelligent contract is: a commitment in a machine language of agreed conversion made by a common negotiation by all marine data departments of the participating projects; all ocean data departments negotiate and establish an agreement which passes the common recognition of all departments; the intelligent contract comprises: a rights contract, the rights contract comprising: public keys and private keys which are respectively and correspondingly mastered by each ocean data department are used for protecting respective authority; any marine data department belongs to one of the multi-party users;
deploying the intelligent contracts into a P2P network of the blockchain through the consensus nodes;
receiving a data processing request of any marine data department, authenticating and verifying the data requested by the data processing request, and generating a sharing form; the method comprises the following steps: receiving a data processing request of a current marine data department; performing identity authentication and verification on an object requested to be processed by the data processing request; after the identity authentication and verification pass, carrying out digital signature according to a private key which is correspondingly matched with the current marine data department under an authority contract to generate a sharing form;
storing the shared form into a block chain account book and diffusing; the method comprises the following steps: storing the data details corresponding to the shared form into a block chain account book; the current block chain returns the unique identification recorded on the chain by the shared form; diffusing the data details corresponding to the shared form into a marine data department in the whole blockchain through a P2P network in the current blockchain;
carrying out whole-network consensus on the shared form, and transmitting the shared form to the whole network to generate a shared total form;
and performing cross-department marine data sharing based on the sharing total form.
2. The blockchain-based cross-department marine data sharing method according to claim 1, further comprising:
and verifying other ocean data departments on the block chain, and feeding back verification information to any ocean data department by using a digital signature so as to make a decision by any ocean data department according to the fed-back verification information.
3. The blockchain-based cross-department marine data sharing method according to claim 1, further comprising:
when receiving data sharing requests of other ocean data departments, performing information verification through a multi-center distributed system;
and after the verification is passed, sharing the data requested by the data sharing request to other marine data departments.
4. The blockchain-based cross-department marine data sharing method of claim 1, wherein the intelligent contract further comprises: the contract is paid.
5. The blockchain-based cross-department marine data sharing method according to claim 4, further comprising:
and when other marine data departments receive the data requested by the data sharing request, carrying out token payment to any marine data department according to a payment contract under the intelligent contract.
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| CN110069475B (en) * | 2019-04-25 | 2021-04-20 | 中国科学院信息工程研究所 | Manufacturing industry cross-data entity tracing method based on block chain multi-party self-maintenance |
| CN110492988B (en) * | 2019-07-03 | 2020-07-21 | 特斯联（北京）科技有限公司 | Multi-path parallel multiplexing big data system and processing method thereof |
| CN112448923B (en) * | 2019-08-30 | 2022-09-06 | 中国移动通信有限公司研究院 | Information sharing method, device, system, electronic device and storage medium |
| CN110990408B (en) * | 2019-12-02 | 2023-09-19 | 中国银行股份有限公司 | Business information collaboration method based on block chain, business system and alliance chain |
| CN111262936A (en) * | 2020-01-16 | 2020-06-09 | 天津大学 | Block chain-based ocean big data sharing method |
| CN111932250A (en) * | 2020-06-08 | 2020-11-13 | 国网浙江省电力有限公司台州供电公司 | Method for realizing power grid information sharing based on block chain technology |
| CN112149162A (en) * | 2020-09-03 | 2020-12-29 | 长江水利委员会长江科学院 | Watershed hydrology and water environment data safety sharing transaction system based on block chain |
| CN112187900B (en) * | 2020-09-18 | 2022-03-01 | 中国科学院计算技术研究所 | DNS data updating method and system based on block chain shared cache |
| CN112788527B (en) * | 2021-01-07 | 2021-09-21 | 厦门大学 | Underwater sound cooperative network multi-mobile equipment identity verification method based on block chain technology |
| CN113205322A (en) * | 2021-06-08 | 2021-08-03 | 张晶 | Audit result data sharing method and system based on block chain |
| CN114281891A (en) * | 2021-12-06 | 2022-04-05 | 清华大学 | Industrial data sharing system |
| CN116260655B (en) * | 2023-05-06 | 2023-07-25 | 杭州瀚陆信息技术有限公司 | Deep sea robot data transmission method and system |
| CN117235188B (en) * | 2023-11-15 | 2024-01-30 | 成都三合力通科技有限公司 | Data universe sharing system and method based on alliance computing |
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