CN106503995A - A kind of data sharing method, source node, destination node and system - Google Patents
A kind of data sharing method, source node, destination node and system Download PDFInfo
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- CN106503995A CN106503995A CN201611019273.6A CN201611019273A CN106503995A CN 106503995 A CN106503995 A CN 106503995A CN 201611019273 A CN201611019273 A CN 201611019273A CN 106503995 A CN106503995 A CN 106503995A
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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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
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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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/389—Keeping log of transactions for guaranteeing non-repudiation of a transaction
Abstract
This application provides a kind of data sharing method, source node, destination node and system, wherein, method includes：Source node obtains transaction data from locally stored sensitive data, calculate the summary info of transaction data, summary info is published in block catenary system, so that the transfer action information of block catenary system storage summary info and record transaction data, ephemeral data transmission channel is set up with destination node, transaction data is sent to destination node by ephemeral data transmission channel；Destination node obtains the summary info that source node is issued from block catenary system, the transaction data that source node sends is received by the ephemeral data transmission channel between source node, whether the transaction data that checking is received is consistent with the summary info for getting, transfer object information is issued to block catenary system, so that block catenary system records the transfer object information of transaction data.The application is applied to sharing for a large amount of sensitive datas, it is possible to increase the safety of data transfer.
Description
Technical field
The application belongs to Information Sharing Technology field, more particularly to a kind of based on the data sharing method of block chain technology,
Source node, destination node and system.
Background technology
Data information sharing of the prior art is generally realized by the Internet, but the Internet is realized that information data is shared and deposited
In fully transparent property, only open to part of nodes (terminal) situation of local data is not suitable for, and the safe of data message is obtained
Less than guarantee.
The technical scheme that using block chain network store each node globally shared data is occurred in that at present.For at one section
The sensitive local data of a node is served only in time, if stored it in block chain by existing method, there is occupancy
Space is more, the low defect of storage efficiency, if a certain node serve in block chain network is broken, all in block chain network
All there is the risk being missed in data.Another block chain network amount of storage is limited, is not also suitable for the shared of big data quantity information.
Content of the invention
The application offer is a kind of based on the data sharing method of block chain technology, source node, destination node and system, is used for
There is the defect that data safety cannot be guaranteed, block chain shared data in the mode for solving the Internet shared data in prior art
Mode be not suitable for the data that the big data of data volume and degree of safety have high demands.
In order to solve above-mentioned technical problem, a technical scheme of the application is a kind of data sharing method of offer, it is adaptable to
Source node, including：Transaction data is obtained from locally stored sensitive data, calculates the summary info of transaction data, will summary
Information is published in block catenary system, so that the transfer action letter of block catenary system storage summary info and record transaction data
Breath；
Ephemeral data transmission channel is set up with destination node, transaction data is sent by the ephemeral data transmission channel
To destination node.
The application also provides a kind of source node of data sharing, including：Memory module, for storing sensitive data；
First acquisition module, for obtaining transaction data from memory module；
Computing module, for calculating the summary info of transaction data, summary info is published in block catenary system, so that
Block catenary system storage summary info and the transfer action information of record transaction data；
Sending module, for setting up ephemeral data transmission channel with destination node, by transaction data by the nonce
Send to destination node according to transmission channel.
Another technical scheme of the application is a kind of data sharing method of offer, it is adaptable to destination node side, including：From block
Catenary system obtains the summary info that source node is issued, and the summary info is calculated according to transaction data and obtained；
The transaction data that source node sends is received by the ephemeral data transmission channel between source node；
Whether the transaction data that checking is received is consistent with the summary info for getting, if unanimously, to block linkwork
System issues transfer successful information, if it is inconsistent, transfer failure information is issued to block catenary system, so that block catenary system note
The transfer object information of record transaction data.
The application also provides a kind of destination node of data sharing, including：Second acquisition module, for from the block chain
Summary info is obtained in system；
Receiver module, for receiving the number of deals that source node sends by the ephemeral data transmission channel between source node
According to；
Authentication module, whether consistent with the summary info for getting for verifying the transaction data for receiving, if unanimously,
Then transfer successful information is issued to block catenary system, if it is inconsistent, transfer failure information is issued to block catenary system, so that
Block catenary system records the transfer object information of transaction data.
The application yet another aspect is a kind of data sharing method of offer, it is adaptable to block catenary system, including：Storage source
The summary info of the transaction data that node is issued；
The transfer action information of record transaction data；
The transaction data transfer object information of record destination node feedback.
The application also provides a kind of block catenary system of data sharing, including：Memory module, for storing source node issue
Transaction data summary info；
First logging modle, for recording the transfer action information of transaction data；
Second logging modle, for recording the transaction data transfer object information of destination node feedback.
The application yet another aspect is a kind of data sharing system of offer, including：Source node in above-mentioned technical proposal,
Destination node and block catenary system.
The application using block catenary system and locally stored combine by the way of, it is adaptable to a large amount of sensitive datas are shared,
So that transaction data is overall not fully open on block catenary system, plucking for store transaction data on block catenary system, is only used for
Information is wanted, the transfer related information of transaction data is recorded, it is possible to increase the safety of data transfer.
Description of the drawings
For the technical scheme being illustrated more clearly that in the embodiment of the present application, below will be to making needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present application, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the data sharing method flow chart that the embodiment of the present application is described from source node side；
Fig. 2 is the data sharing method flow chart that the embodiment of the present application is described from destination node side；
Fig. 3 is the data sharing method flow chart that the embodiment of the present application is described from block catenary system side；
Structural representations of the Fig. 4 for the source node of the embodiment of the present application；
Structural representations of the Fig. 5 for the destination node of the embodiment of the present application；
Block catenary system structural representations of the Fig. 6 for the embodiment of the present application；
Structural representations of the Fig. 7 for the data sharing system of the embodiment of the present application.
Specific embodiment
In order that the technical characterstic of the application and effect become apparent from, below in conjunction with the accompanying drawings the technical scheme of the application is done
Further illustrate, the instantiation that the application also can have other different being illustrated or implement, any those skilled in the art
The equivalents that does within the scope of the claims belong to the protection category of the application.
In the description of this specification, reference term " one embodiment ", " specific embodiment ", " some enforcements
The description of example ", " such as ", " example ", " specific example " or " some examples " etc. means with reference to the embodiment or example description
Specific features, structure, material or feature are contained at least one embodiment or example of the application.In this manual,
Identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.And, the specific features of description, knot
Structure, material or feature can be combined in any one or more embodiments or example in an appropriate manner.Each embodiment
In the step of be related to order be used for the enforcement for schematically illustrating the application, sequence of steps therein is not construed as limiting, can be as needed
Appropriately adjust.
Source node described herein and destination node can be integrated into a terminal unit, such as computer, server etc., make to connect
Enter.Multiple block chain nodes are may include in block catenary system,
Correspond to source node and destination node respectively, with the interaction being responsible in block chain network, the such as storage of transaction data, carry block chain
Node can be server or computer.
As shown in figure 1, Fig. 1 is the data sharing method that the embodiment of the present application is described from source node side.In the present embodiment, will
Sensitive data is stored in local storage, and only the summary info of transaction data is published in block catenary system, it is adaptable to a large amount of
Sensitive data is shared, while improving the safety of data transfer.Specifically, including：
Step 101：Transaction data is obtained from locally stored sensitive data, calculates the summary info of transaction data, will
Summary info is published in block catenary system, so that the transfer action of block catenary system storage summary info and record transaction data
Information.
Specifically, transaction data transfer action information described herein is, for example, to record source node ID (address) and target
Node ID (address).
Sensitive data described herein can be to be not easy to the private data to other nodes sharings, such as the archives of party member
Data, house data etc., can also be the larger data of data volume, such as big document, picture or video etc., and the application is to sensitive number
According to specifically why not limiting.Transaction data is that source node is actively sent to the information of destination node or the number of destination node request
According to, be locally stored sensitive data part or all.
Summary info at least includes：The outline information of transaction data and the unique mark calculated according to transaction data.With
As a example by party affairs system transfer party member's data, outline information can be party member work unit, unit address, party member's name etc., outline
Information is easy to destination node tentatively to judge whether the transaction data content for receiving is correct.Unique mark can according to transaction data
Calculated cryptographic Hash, the cryptographic Hash that different transaction data are calculated are different, even if only changing a byte, also result in Kazakhstan
Uncommon worth fundamental change, so, by cryptographic Hash, destination node can just judge whether the transaction data for receiving is tampered
Or forge, concrete judge process will be illustrated in subsequent embodiment, no longer be described in detail herein.
When being embodied as, in order to ensure the safety of summary info, the private key that it is also possible to use source node enters to summary data
Row encryption.
Step 102：Ephemeral data transmission channel is set up with destination node, transaction data is transmitted by the ephemeral data
Passage is sent to destination node.
Ephemeral data transmission channel described herein can be set up using the such as technology such as SOCKET, FTP, MQ, this
Application is not limited to the mode of specifically setting up of ephemeral data transmission channel.
Further, for the transaction data that the data volume that need not be maintained secrecy is big, can be directly logical by ephemeral data transmission
Road is transmitted.For the private data of need for confidentiality, it is necessary first to make other side's public key transmit random key, then using random
Encrypted transaction data is sent to destination node by key encrypting transactions data.
Further, for the transaction data that data volume is little, easily use force the method for cracking, anti-by summary info
Calculate transaction data, in order to solve the problem, in one embodiment of the application, step 101 calculate transaction data summary info it
Front also include following processing procedure：
Judge the data volume of transaction data whether less than predetermined threshold.If judged result is no, transaction data is calculated
Summary info；If the determination result is YES, then increase additional information in transaction data to update transaction data.Friendship after by renewal
Easily data are sent to destination node by ephemeral data transmission channel.
Specifically, additional information can be random sequence number, can also use description information, the photo letter of transaction data
Breath etc., why not the application is specifically limited to additional information.
In the present embodiment, by increasing additional information in the little transaction data of data volume so that Transaction Information inverse becomes
Into impossible.
As shown in Fig. 2 data sharing methods from destination node side description of the Fig. 2 for the embodiment of the present application.Destination node
Whether the summary info checking transaction data according to getting from block catenary system shifts successfully, and transfer result is published to block
In catenary system, destination node denial is prevented from, coordinates source node to be applied to the big transmission of transaction data of data volume, and can guarantee that
The safety of transaction data.Specifically, including：
Step 201：The summary info that source node is issued is obtained from block catenary system.
Step 202：The transaction data that source node sends is received by the ephemeral data transmission channel between source node.
Step 203：Whether the transaction data that checking is received is consistent with the summary info for getting, if unanimously, to
Block catenary system issues transfer successful information, if it is inconsistent, transfer failure information is issued to block catenary system, so that block
Catenary system records the transfer object information of transaction data.
Further, the transaction data for the receiving mistake whether consistent with the summary info for getting is verified in step 203
Journey includes：
Calculate the summary info of the transaction data for receiving；
The summary info is verified with whether the summary info for getting is identical, if identical, is issued to block catenary system
Transfer successful information, if it is different, then issue transfer failure information to block catenary system.
As shown in figure 3, data sharing methods from block catenary system side description of the Fig. 3 for the embodiment of the present application.Block chain
Sensitive data is not stored in system, the relevant information of store transaction data is only used for, and can be applied to the sensitive number of big data quantity
According to share, improve data transfer safety.Specifically, including：
Step 301：The summary info of the transaction data that storage source node is issued.
Step 302：The transfer action information of record transaction data.Such as it is source node ID and destination node ID.
Step 303：The transaction data transfer object information of record destination node feedback.
Information when being embodied as, in the form recording step 302 of data available list and step 303.
The data sharing method that the application is provided using block catenary system and locally stored combine by the way of, it is adaptable to big
Measure sharing for sensitive data so that transaction data is overall not fully open on block catenary system, only uses on block catenary system
In the summary info of store transaction data, the transfer related information of transaction data is recorded, it is possible to increase the safety of data transfer.
Based on same inventive concept, a kind of source node of data sharing, destination node in the embodiment of the present application, is additionally provided
And block catenary system, the source node, destination node and block catenary system can by logic circuit realize run in computer,
Or the function of each part is realized in the way of functional module by software, run in computer, specifically：
As shown in figure 4, source nodes of the Fig. 4 for the data sharing of the embodiment of the present application.Including：
Memory module 401, for storing sensitive data.
First acquisition module 402, for obtaining transaction data from memory module.
Computing module 403, for calculating the summary info of transaction data, summary info is published in block catenary system,
So that the transfer action information of block catenary system storage summary info and record transaction data.
Sending module 404, for setting up ephemeral data transmission channel with destination node, by transaction data by described interim
Data transmission channel is sent to destination node.
In order to ensure the safety of the less transaction data of data volume, in one embodiment of the application, source node also includes：Pluck
Sorting module is wanted, for judging the data volume of transaction data whether less than predetermined threshold.If judged result is no, transaction is calculated
The summary info of data；If the determination result is YES, then increase additional information in transaction data to update transaction data, send mould
The transaction data of renewal is sent to destination node by block 404.
As shown in figure 5, destination nodes of the Fig. 5 for the data sharing of the embodiment of the present application.Specifically, the destination node bag
Include：
Second acquisition module 501, for obtaining summary info from the block catenary system.
Receiver module 502, for receiving the friendship that source node sends by the ephemeral data transmission channel between source node
Easy data.
Authentication module 503, whether consistent with the summary info for getting for verifying the transaction data for receiving, if one
Cause, then transfer successful information is issued to block catenary system, if it is inconsistent, transfer failure information is issued to block catenary system,
So that block catenary system records the transfer object information of transaction data.
Further, the processing procedure of authentication module 503 is：Calculate the summary info of the transaction data for receiving；Checking
Whether the summary info is identical with the summary info for getting, if identical, issues transfer successful information to block catenary system,
If it is different, then issuing transfer failure information to block catenary system.
As shown in fig. 6, block catenary systems of the Fig. 6 for the data sharing of the embodiment of the present application.The block catenary system includes：
Memory module 601, for storing the summary info of the transaction data of source node issue.
First logging modle 602, for recording the transfer action information of transaction data.
Second logging modle 603, for recording the transaction data transfer object information of destination node feedback.
In one embodiment of the application, as shown in fig. 7, the source node, destination node and block linkwork described in above-described embodiment
System combines the data sharing system to be formed.Communication process between each several part is no longer gone to live in the household of one's in-laws on getting married herein referring to above-described embodiment
State.
The data sharing system that the application is provided using block catenary system and locally stored combine by the way of, it is adaptable to big
Measure sharing for sensitive data so that transaction data is overall not fully open on block catenary system, only uses on block catenary system
In the summary info of store transaction data, the transfer related information of transaction data is recorded, it is possible to increase the safety of data transfer.
In order to become apparent from illustrate technical scheme, below between party committee node A and party committee node B shift party member's data
As a example by be described in detail, party committee node A can actively to party committee's node B transfer party member's data, or the demand according to party committee node B
Transfer party member's data, the address information of party committee node B known to party committee node A.Specifically, party member's data sharing process is：
Step 1：Party committee node A obtains party member's data to be transferred from local storage, according to the party member to be transferred
Material computation cryptographic Hash, generates outline information and obtains party member's data summary, and party member's data summary is published to block catenary system
In.
Step 2：Block catenary system stores party member's data summary, and " party committee node A is to party committee node B transfer party members for record
The event of data ".
Step 3：Party committee node A and party committee node B sets up ephemeral data transmission channel.
Step 4：For data volume is more than predetermined threshold, and the party member's data to be transferred that need not be maintained secrecy, saved by party committee
Point A is sent directly to party committee node B by ephemeral data transmission channel；For data volume is more than predetermined threshold, need for confidentiality
Party member's data to be transferred, transmitted by ephemeral data after the random key encryption sent using party committee node B by party committee node A
Passage is sent to party committee node B；For data volume is less than predetermined threshold, and the party member's data to be transferred that need not be maintained secrecy, by
After party committee node A increases additional information on party member's data base to be transferred, sent to party committee by ephemeral data transmission channel
Node B；For data volume is less than predetermined threshold, and party member's data to be transferred of need for confidentiality, by party committee node A to be transferred
Increase additional information on party member's data base, after the random key encryption for then sending using party committee node B, pass through ephemeral data
Transmission channel is sent to party committee node B.
Step 5：Party member's data that Node-B receiver party committee of party committee node A sends, obtains corresponding party from block catenary system
Member's data summary, whether with the party member data summary that obtain consistent, if unanimously, close and face if verifying the party member's data for receiving
When data transmission channel, meanwhile, issue to block catenary system and " complete the thing that party committee node A shifts party member's data to party committee node B
Part ", further, the owner of the party member's data shifted in said process is also revised as party committee node B by block catenary system.
The application using block catenary system and locally stored combine by the way of, it is adaptable to a large amount of sensitive datas are shared,
So that transaction data is overall not fully open on block catenary system, plucking for store transaction data on block catenary system, is only used for
Information is wanted, the transfer related information of transaction data is recorded, it is possible to increase the safety of data transfer.
Those skilled in the art are it should be appreciated that embodiments herein can be provided as method, system or computer program
Product.Therefore, the application can adopt complete hardware embodiment, complete software embodiment or with reference to software and hardware in terms of reality
Apply the form of example.And, the application can be adopted in one or more computers for wherein including computer usable program code
The upper computer program that implements of usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) is produced
The form of product.
The application is flow process of the reference according to the method, equipment (system) and computer program of the embodiment of the present application
Figure and/or block diagram are describing.It should be understood that can be by computer program instructions flowchart and/or each stream in block diagram
Journey and/or the combination of square frame and flow chart and/or the flow process in block diagram and/or square frame.These computer programs can be provided
Instruct the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of specifying in present one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory is produced to be included referring to
Make the manufacture of device, the command device realize in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or
The function of specifying in multiple square frames.
These computer program instructions can be also loaded in computer or other programmable data processing devices so that in meter
Series of operation steps is executed on calculation machine or other programmable devices to produce computer implemented process, so as in computer or
The instruction executed on other programmable devices is provided for realization in one flow process of flow chart or multiple flow processs and/or block diagram one
The step of function of specifying in individual square frame or multiple square frames.
The above is merely to illustrate the technical scheme of the application, any those of ordinary skill in the art can without prejudice to
Spirit herein and under the scope of, above-described embodiment is modified and is changed.Therefore, the rights protection scope of the application should be regarded
Right is defined.
Claims (12)
1. a kind of data sharing method, it is characterised in that include：
Transaction data is obtained from locally stored sensitive data, calculates the summary info of transaction data, summary info is issued
To in block catenary system, so that the transfer action information of block catenary system storage summary info and record transaction data；
Ephemeral data transmission channel is set up with destination node, transaction data is sent to mesh by the ephemeral data transmission channel
Mark node.
2. data sharing method as claimed in claim 1, it is characterised in that the summary info includes the outline of transaction data
Information and the unique mark calculated according to transaction data.
3. data sharing method as claimed in claim 1, it is characterised in that also wrap before the summary info for calculating transaction data
Include：
Judge the data volume of transaction data whether less than predetermined threshold；
If judged result is no, the summary info of transaction data is calculated；If the determination result is YES, then increase in transaction data
Additional information is updating transaction data.
4. a kind of source node of data sharing, it is characterised in that include：
Memory module, for storing sensitive data；
First acquisition module, for obtaining transaction data from memory module；
Computing module, for calculating the summary info of transaction data, summary info is published in block catenary system, so that block
Catenary system storage summary info and the transfer action information of record transaction data；
Sending module, for setting up ephemeral data transmission channel with destination node, transaction data is passed by the ephemeral data
Defeated passage is sent to destination node.
5. source node as claimed in claim 4, it is characterised in that the source node also includes sorting module of making a summary, for sentencing
Whether the data volume of disconnected transaction data is less than predetermined threshold；
If judged result is no, the summary info of transaction data is calculated；If the determination result is YES, then increase in transaction data
Additional information is updating transaction data.
6. a kind of data sharing method, it is characterised in that include：
The summary info that source node is issued is obtained from block catenary system；
The transaction data that source node sends is received by the ephemeral data transmission channel between source node；
Whether the transaction data that checking is received is consistent with the summary info for getting, if unanimously, sends out to block catenary system
Cloth shifts successful information, if it is inconsistent, transfer failure information is issued to block catenary system, so that block catenary system record is handed over
The transfer object information of easy data.
7. data sharing method as claimed in claim 6, it is characterised in that transaction data that checking is received with get
The whether consistent process of summary info includes：
Calculate the summary info of the transaction data for receiving；
The summary info is verified with whether the summary info for getting is identical, if identical, transfer is issued to block catenary system
Successful information, if it is different, then issue transfer failure information to block catenary system.
8. a kind of destination node of data sharing, it is characterised in that include：
Second acquisition module, for obtaining summary info from the block catenary system；
Receiver module, for receiving the transaction data that source node sends by the ephemeral data transmission channel between source node；
Authentication module, whether consistent with the summary info for getting for verifying the transaction data for receiving, if unanimously, to
Block catenary system issues transfer successful information, if it is inconsistent, transfer failure information is issued to block catenary system, so that block
Catenary system records the transfer object information of transaction data.
9. destination node as claimed in claim 8, it is characterised in that the authentication module specifically for,
Calculate the summary info of the transaction data for receiving；The summary info is verified with whether the summary info for getting is identical,
If identical, transfer successful information is issued to block catenary system, if it is different, then issue transfer to block catenary system unsuccessfully believing
Breath.
10. a kind of data sharing method, it is characterised in that suitable for block catenary system, including：
The summary info of the transaction data that storage source node is issued；
The transfer action information of record transaction data；
The transaction data transfer object information of record destination node feedback.
The block catenary system of 11. a kind of data sharings, it is characterised in that include：
Memory module, for storing the summary info of the transaction data of source node issue；
First logging modle, for recording the transfer action information of transaction data；
Second logging modle, for recording the transaction data transfer object information of destination node feedback.
12. a kind of data sharing systems, it is characterised in that include：Source node described in claim 4 or 5, claim 8 or 9
Block catenary system described in described destination node and claim 11.
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| CN107730225A (en) * | 2017-10-24 | 2018-02-23 | 广东工业大学 | A kind of big data method of commerce, system, equipment and computer-readable storage medium |
| CN108345685A (en) * | 2018-03-07 | 2018-07-31 | 物数（上海）信息科技有限公司 | More granularity data processing methods, system, equipment and storage medium under block chain |
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