CN109241753A - A kind of data sharing method and system based on block chain - Google Patents
A kind of data sharing method and system based on block chain Download PDFInfo
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- CN109241753A CN109241753A CN201810903924.0A CN201810903924A CN109241753A CN 109241753 A CN109241753 A CN 109241753A CN 201810903924 A CN201810903924 A CN 201810903924A CN 109241753 A CN109241753 A CN 109241753A
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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
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
- G06F21/6227—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database where protection concerns the structure of data, e.g. records, types, queries
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Abstract
The invention discloses the data sharing method and system of a kind of block chain, data manufacturer obtains service interface by client；Available data is uploaded to access server according to regulation format by data manufacturer by way of text；Suitable access control is arranged by client in data manufacturer；Query service device passes through unified port controlling visitor identity and receives data inquiry request；Query service device sends data inquiry request to all access servers parallel；By timestamp, data directory, access authority and block chain is written to the operation note of corresponding data in access server.Using the present invention program, the improvement of following aspect can be obtained: 1. data ownership: the system can provide traceable path, can effectively crack data and really weigh problem.2. the quality of data: formulating data standard, and improve the quality of data by common recognition verifying.3. data safety: ensureing data safety and privacy with a variety of encryption technologies.4. the high-throughput of data trade: using loosely coupled design.
Description
Technical field
The present invention relates to the data sharing methods and system of a kind of block chain, belong to block chain technology.
Background technique
With the development of internet, block chain technology receives significant attention.Block chain is Distributed Storage, point-to-point
The new application mode of the computer technologies such as transmission, common recognition mechanism, Encryption Algorithm.The server of each enterprise can be with alliance
Mode establishes block chain alliance, to realize mutual data sharing, reaches company interest maximization.Traditional block chain number
There are following problems according to shared:
(1) data ownership, can not clear definition.
How to define the ownership of data is not a nothing the matter, technology, business and the method being related between each user
The various aspects such as rule.In the case where cloud on the title is clear, the main body for possessing data does not have power that data sharing is gone out, otherwise can band
Carry out the interests loss of itself.If data property right can not be protected, data, which are once sold, will face by infinite copy to the wind sold
Danger, the market value of data also die-off because of unlimited supply amount.
(2) data quality standard is different, very different.
The each have their own format of the data of separate sources, there is also very big difference for quality.On the one hand, even if same format
Data, it is also possible to there is semantic and weights and measures difference.On the other hand, initial data has gaps and omissions and mistake place, it is also possible to
A large amount of invalid and junk datas are mixed with, or even the participant having can be to data " mixing sand ".Some means must be used to carry out data
Cleaning, be not otherwise available.
(3) data safety, privacy and abuse can not ensure.
Problem of data safety is the core for ensureing data ownership.Data are collected and use without supplier agreement,
Data black market is even flowed into, will cause the chain reaction in terms of user security, enterprise security even national security.But present data
The phenomenon that being used and abused privately is very universal, this causes many data subjects to participate in the wish of data circulation not in turn
By force.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of data based on block chain
Sharing method and system provide traceable path by block chain for data.Based on block chain of the invention, on each block
Transaction Information, which is together in series, is formed complete transaction details bill, and the ins and outs of every transaction are very clear, if people
Have a question to the data on some block, historical transaction record can be recalled and judge whether the data correct, to the data
It is true and false to be identified.The present invention, the common recognition mechanism for only in the movement using data needing that there is decentralization, and data itself
Without being verified on full chain；The access that data are stored and traded is separated in this way, so that being not required to when storage it is to be understood that data
Operational elements substantially increase storage efficiency, increase handling capacity.
Technical solution: to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of data sharing method based on block chain, includes the following steps:
Step A: data manufacturer obtains service interface by client；
Step B: data are uploaded to access server according to regulation format by data manufacturer by way of text；
Step C: data manufacturer is accessed priority assignation by client；
Step D: query service device passes through unified port controlling range permission and generates data inquiry request；
Step E: query service device sends data inquiry request to all access servers parallel；
Step F: access server feeds back encryption data to query service device；
Step G: block chain is written in timestamp, data directory, data operating record by access server.
Specifically, in the step A, service interface is uniform rules, and service interface need to authorize after could access.
Specifically, service interface provides block chain registration information and private key in the step A.
Specifically, client is added using number if data manufacturer does not use digital encryption algorithm to generate private key
Close algorithm generates a private key, the corresponding public key of each private key；If data manufacturer generates one using digital encryption algorithm
A private key, then client obtains corresponding public key according to the digital encryption algorithm.
Specifically, the legitimacy that client uploads data to data manufacturer is verified in the step B, if legal,
Then access server will be uploaded after data encryption；Access server store data into database and by the unique designation of data and
Summary info is stored in block chain.
Specifically, the prescribed form of data should be provided according to the needs of application about the data in the step B
Comprehensive information, including public key, signature, data, timestamp.
Specifically, block catenary system has the characteristic that can not distort, in the step G, individually definition has one in block chain
Block data storage area, for record the timestamps of data, index, access authority and operation note (increasing including data, delete, change,
Look into equal operation notes).
A kind of data-sharing systems based on block chain, including client, access server, database, block chain and look into
Ask server；
Initial data is uploaded to access service according to regulation format by client by the client, data manufacturer
Device, while the setting of the access authority of data is uploaded into access server；
Valid data is sent to database by the access server, and the data snapshot of valid data, access authority are set
It sets and is sent to block chain with operation note；Meanwhile access server extracts significant figure according to data inquiry request from database
According to and encrypt, to query service device feed back encryption data；
The database stores valid data, the open unique identification and summary info of data is fed back to access service
Device receives the data inquiry request of access server and returns to result；
The block chain stores the data snapshot and operation note of valid data, and control inquiry is arranged according to access authority
The access authority of server, the permission of back services revene lookup request；
The query service device sends data query to access server according to the permission of service verification inquiry request and asks
It asks, the encryption data of decryption access server feedback.
Specifically, including public key in the data inquiry request that the query service device is sent to access server；Access clothes
Business device encrypts valid data using public key；Query service device uses the corresponding private key pair encryption data of data inquiry request
It is decrypted.
Specifically, access server registration information on query service device, gives query service device certain access
Permission, query service device is according to access authority from unified port controlling visitor identity.
The utility model has the advantages that the data sharing method and system of block chain provided by the invention have such as compared with the existing technology
Lower advantage:
1, data ownership: the system can provide traceable path, can effectively crack data and really weigh problem.The system logarithm
According to being registered, authenticated, it is thus identified that source, ownership, the right to use and the circulation path of big data assets make transaction record saturating
It is bright, traceable and approved by the whole network.Each Transaction Information is stringed together, complete transaction details inventory, every friendship are formed
Easy the ins and outs are very clear, transparent.The system is that data are more secure when being circulated as assets, helps to allow data
Really realize capitalization.
2, the quality of data: data standard is formulated, and the quality of data is improved by common recognition verifying.The system infuses data
There is specific call format when volume and certification, so as to the semanteme and weights and measures of explicit data, on the one hand can unify single
On the other hand the data standard of chain can be realized when multi-source data is merged and quickly clearly interpret.Meanwhile the system
Data traceability mechanism can improve the confidence level of data, and data is allowed to obtain prestige.In many ways it can check same data source, or even pass through
Evaluation is given to show data validity that they think.The system makes the quality of data obtain unprecedented strong trust back
Book also ensures the correctness of data analysis result and the effect of data mining.
3, data safety and privacy data safety: are ensured with a variety of encryption technologies.It is placed on after data are hashed processing
On database；It not only can guarantee the privacy of data by private key, but also authorized organization can be shared to；During data are uniformly stored in
In the system of the heart, the reference of data and summary info are stored in block chain network.The system is not accessing initial data
In the case of carry out data analysis, the privacy of data can not only be protected, but also can safely share.
4, the high-throughput of data trade: loosely coupled design is used.The raising of scalability.To improve handling capacity, this is
System separates data storage and common recognition.Because only that the common recognition mechanism for using the movement of data needing that there is decentralization,
And data itself are not necessarily to be verified on full chain.
Detailed description of the invention
Fig. 1 is the data-sharing systems structural block diagram of the invention based on block chain；
Fig. 2 is the data sharing method timing diagram of the invention based on block chain.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
As shown in Figure 1 be a kind of data-sharing systems based on block chain, including client, access server, database,
Block chain and query service device；
Initial data is uploaded to access service according to regulation format by client by the client, data manufacturer
Device, while the setting of the access authority of data is uploaded into access server.
Valid data is sent to database by the access server, and the data snapshot of valid data, access authority are set
It sets and is sent to block chain with operation note；Meanwhile access server extracts significant figure according to data inquiry request from database
According to and encrypt, to query service device feed back encryption data；Access server encrypts valid data using public key；
The database stores valid data, the open unique identification and summary info of data is fed back to access service
Device receives the data inquiry request of access server and returns to result；
The block chain stores the data snapshot and operation note of valid data, and control inquiry is arranged according to access authority
The access authority of server, the permission of back services revene lookup request.
The query service device sends data query to access server according to the permission of service verification inquiry request and asks
It asks, the encryption data of decryption access server feedback.In the data inquiry request that query service device is sent to access server, packet
Containing public key；Query service device is decrypted using the corresponding private key pair encryption data of data inquiry request.
Access server registration information on query service device is given query service device certain access authority, is looked into
Server is ask according to access authority from unified port controlling visitor identity.
As shown in Fig. 2, being the data sharing method timing diagram based on block chain, include the following steps:
Step A: data manufacturer obtains service interface by client；Service interface is uniform rules, and service interface
It could be accessed after need to authorizing；Service interface provides block chain registration information and private key.If data manufacturer does not use number
Encryption Algorithm generates private key, then client generates a private key, the corresponding public key of each private key using digital encryption algorithm；Such as
Fruit data manufacturer generates a private key using digital encryption algorithm, then client is according to the digital encryption algorithm, obtains pair
The public key answered.
Step B: data are uploaded to access server according to regulation format by data manufacturer by way of text；Data
Prescribed form according to the needs of application, the comprehensive information about the data, including public key, signature, data, time should be provided
Stamp；The legitimacy that client uploads data to data manufacturer is verified, and if legal, is then uploaded storage after data encryption and is connect
Enter server；Access server stores data into database and the unique designation of data and summary info is stored in block chain
In.
Step C: certain access control is arranged by client by data manufacturer；
Step D: query service device passes through unified port controlling visitor identity and generates data inquiry request；
Step E: query service device sends data inquiry request to all access servers parallel；
Step F: access server feeds back encryption data to query service device；
Step G: block is written in timestamp, data directory, access authority setting, data operating record by access server；
Individually definition has one piece of data storage area in block chain, and the timestamp, index, access authority for recording data are arranged and operation
Record.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of data sharing method based on block chain, characterized by the following steps:
Step A: data manufacturer obtains service interface by client；
Step B: data are uploaded to access server according to regulation format by data manufacturer by way of text；
Step C: data manufacturer is accessed priority assignation by client；
Step D: query service device passes through unified port controlling access authority and generates data inquiry request；
Step E: query service device sends data inquiry request to all access servers parallel；
Step F: access server feeds back encryption data to query service device；
Step G: block chain is written in timestamp, data directory, data operating record by access server.
2. the data sharing method according to claim 1 based on block chain, it is characterised in that: in the step A, service
Interface is uniform rules, and service interface need to authorize after could access.
3. the data sharing method according to claim 1 based on block chain, it is characterised in that: in the step A, clothes
Business interface provides block chain registration information and private key.
4. the data sharing method according to claim 3 based on block chain, it is characterised in that: if data manufacturer does not have
Have and generate private key using digital encryption algorithm, then client generates a private key using digital encryption algorithm, and each private key is corresponding
One public key；If data manufacturer generates a private key using digital encryption algorithm, client is calculated according to the digital encryption
Method obtains corresponding public key.
5. the data sharing method according to claim 1 based on block chain, it is characterised in that: in the step B, visitor
The legitimacy that family end uploads data to data manufacturer is verified, and if legal, then will upload access server after data encryption；
Access server stores data into database and the unique designation of data and summary info is stored in block chain.
6. the data sharing method according to claim 1 based on block chain, it is characterised in that: in the step B, number
According to prescribed form, including public key, signature, data, timestamp.
7. the data sharing method according to claim 1 based on block chain, it is characterised in that: in the step G, area
Individually definition has one piece of data storage area in block chain, for recording timestamp, index, access authority and the operation note of data.
8. a kind of data-sharing systems based on block chain, it is characterised in that: including client, access server, database, area
Block chain and query service device；
Initial data is uploaded to access server according to regulation format by client by the client, data manufacturer, together
When the setting of the access authority of data uploaded into access server；
Valid data is sent to database by the access server, by the data snapshot of valid data, access authority setting and
Operation note is sent to block chain；Meanwhile access server is according to data inquiry request, extracted valid data is simultaneously from database
Encryption feeds back encryption data to query service device；
The database stores valid data, the open unique identification and summary info of data is fed back to access server, connect
It receives the data inquiry request of access server and returns to result；
The block chain stores the data snapshot and operation note of valid data, and control query service is arranged according to access authority
The access authority of device, the permission of back services revene lookup request；
The query service device sends data inquiry request, solution to access server according to the permission of service verification inquiry request
Touch the encryption data into server feedback.
9. the data-sharing systems according to claim 1 based on block chain, it is characterised in that: the query service device to
It include public key in the data inquiry request that access server is sent；Access server encrypts valid data using public key；
Query service device is decrypted using the corresponding private key pair encryption data of data inquiry request.
10. the data-sharing systems according to claim 1 based on block chain, it is characterised in that: the access server
The registration information on query service device gives query service device certain access authority, and query service device passes through unified port control
Access authority processed.
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Cited By (19)
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| CN110109930A (en) * | 2019-05-15 | 2019-08-09 | 山东省计算中心（国家超级计算济南中心） | Government data storage, querying method and system based on block chain duplex structure |
| CN110111501A (en) * | 2019-05-15 | 2019-08-09 | 北京亿实筑业技术开发有限公司 | Mobile house manages platform |
| CN110149379A (en) * | 2019-05-06 | 2019-08-20 | 山东公链信息科技有限公司 | A kind of more former chain handling capacity extended methods based on layer logic |
| CN110233900A (en) * | 2019-06-19 | 2019-09-13 | 四川长虹电器股份有限公司 | Service Sharing Management system, client and method based on block chain |
| CN110266681A (en) * | 2019-06-17 | 2019-09-20 | 西安纸贵互联网科技有限公司 | Data safe processing system and data safety processing method based on block chain |
| CN110275916A (en) * | 2019-05-23 | 2019-09-24 | 阿里巴巴集团控股有限公司 | Storage method, system, device and the equipment of data operating record |
| CN110427767A (en) * | 2019-08-08 | 2019-11-08 | 北京阿尔山区块链联盟科技有限公司 | Assets recurrence authorization method and device |
| CN110457955A (en) * | 2019-08-08 | 2019-11-15 | 北京芯际科技有限公司 | A kind of big data processing method based on block chain |
| CN110505210A (en) * | 2019-07-22 | 2019-11-26 | 福建智恒优水科技有限公司 | A kind of smart home data assets method for secure transactions and device based on block chain |
| CN110519227A (en) * | 2019-07-22 | 2019-11-29 | 福建智恒优水科技有限公司 | A kind of smart home data tamper resistant method and device based on block chain |
| CN110516469A (en) * | 2019-07-31 | 2019-11-29 | 苏州白杨软件有限公司 | A kind of anti-hacking methods in shared big data application scenarios based on block chain |
| CN110991391A (en) * | 2019-09-17 | 2020-04-10 | 腾讯科技（深圳）有限公司 | Information processing method and device based on block chain network |
| CN111259438A (en) * | 2020-01-13 | 2020-06-09 | 北京工业大学 | Internet of things data tracing method based on block chain |
| CN111460330A (en) * | 2020-03-30 | 2020-07-28 | 腾讯科技（深圳）有限公司 | Data processing method, device, equipment and storage medium |
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| CN110275916A (en) * | 2019-05-23 | 2019-09-24 | 阿里巴巴集团控股有限公司 | Storage method, system, device and the equipment of data operating record |
| US11204933B2 (en) | 2019-05-23 | 2021-12-21 | Advanced New Technologies Co., Ltd. | Data manipulation record storage method, system, apparatus, and device |
| CN110266681A (en) * | 2019-06-17 | 2019-09-20 | 西安纸贵互联网科技有限公司 | Data safe processing system and data safety processing method based on block chain |
| CN110266681B (en) * | 2019-06-17 | 2021-05-07 | 西安纸贵互联网科技有限公司 | Data security processing system and data security processing method based on block chain |
| CN110233900A (en) * | 2019-06-19 | 2019-09-13 | 四川长虹电器股份有限公司 | Service Sharing Management system, client and method based on block chain |
| CN110519227B (en) * | 2019-07-22 | 2022-04-05 | 福建智恒优水科技有限公司 | Intelligent household data tamper-proofing method and device based on block chain |
| CN110519227A (en) * | 2019-07-22 | 2019-11-29 | 福建智恒优水科技有限公司 | A kind of smart home data tamper resistant method and device based on block chain |
| CN110505210A (en) * | 2019-07-22 | 2019-11-26 | 福建智恒优水科技有限公司 | A kind of smart home data assets method for secure transactions and device based on block chain |
| CN110516469A (en) * | 2019-07-31 | 2019-11-29 | 苏州白杨软件有限公司 | A kind of anti-hacking methods in shared big data application scenarios based on block chain |
| CN110516469B (en) * | 2019-07-31 | 2023-05-26 | 苏州白杨软件有限公司 | Anti-hacking method in shared big data application scene based on block chain |
| CN110457955A (en) * | 2019-08-08 | 2019-11-15 | 北京芯际科技有限公司 | A kind of big data processing method based on block chain |
| CN110427767A (en) * | 2019-08-08 | 2019-11-08 | 北京阿尔山区块链联盟科技有限公司 | Assets recurrence authorization method and device |
| CN110991391A (en) * | 2019-09-17 | 2020-04-10 | 腾讯科技（深圳）有限公司 | Information processing method and device based on block chain network |
| CN110991391B (en) * | 2019-09-17 | 2021-06-29 | 腾讯科技（深圳）有限公司 | Information processing method and device based on block chain network |
| CN111259438A (en) * | 2020-01-13 | 2020-06-09 | 北京工业大学 | Internet of things data tracing method based on block chain |
| CN111460330A (en) * | 2020-03-30 | 2020-07-28 | 腾讯科技（深圳）有限公司 | Data processing method, device, equipment and storage medium |
| CN111767551A (en) * | 2020-05-13 | 2020-10-13 | 北京信息科技大学 | Browsing permission control method and system based on block chain |
| CN112134834B (en) * | 2020-05-19 | 2021-05-25 | 北京天德科技有限公司 | Data lake system architecture based on block chain |
| CN112134834A (en) * | 2020-05-19 | 2020-12-25 | 北京天德科技有限公司 | Data lake system architecture based on block chain |
| CN112818401A (en) * | 2021-02-19 | 2021-05-18 | 云南达远软件有限公司 | Block chain health file management system |
| CN113114761A (en) * | 2021-04-12 | 2021-07-13 | 中共陕西省委党校 | Data sharing exchange excitation system and method based on distributed service |
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