CN107222482A - A kind of data management system and method based on compound block chain network - Google Patents
A kind of data management system and method based on compound block chain network Download PDFInfo
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- CN107222482A CN107222482A CN201710414503.7A CN201710414503A CN107222482A CN 107222482 A CN107222482 A CN 107222482A CN 201710414503 A CN201710414503 A CN 201710414503A CN 107222482 A CN107222482 A CN 107222482A
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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
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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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
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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
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
- H04L63/105—Multiple levels of security
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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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0863—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving passwords or one-time passwords
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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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
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- General Engineering & Computer Science (AREA)
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Abstract
The present invention relates to a kind of data management system and method based on compound block chain network, wherein, the system includes one-level block chain network and at least one two grades of block chain network；Two grades of block chain networks include multiple interconnections from node server, two grades of block chain networks set the host node server in a host node server, all two grades of block chains networkings to be interconnected to constitute one-level block chain networking all from node server.The present invention ensures integrality, authenticity and the standardization of data by the examination ＆ verification signature verification of combined multi-stage block chain network, the security of data is ensured by graded encryption, multiple authorization, to detailed data and classified index data be classified the structure design of storage by block chain technology and combined multi-stage network, make data interconnection intercommunication, exchange it is more smooth and can audit trail, improve data retrieval, using and sharing efficiency.
Description
Technical field
The present invention relates to data management field, more particularly to a kind of data management system based on compound block chain network and
Method.
Background technology
With making constant progress for society, the collection of various data and shared more and more important, at present, data should
With, share the problem of having following with processing method：
1. data processing mode lacks the audit trail of standardization, data are easily leaked or are tampered.
2. each independent between different data centers, information data exchanges not smooth, inefficiency.
3. traditional data center's pattern faces ever-increasing magnanimity big data information source server process utilization ratio
Low, data storage is disperseed, and integrality, authenticity, security are poor.
4. data center O＆M cost is high, data processing method and standard disunity, the retrieval of platform data, using and altogether
The serviceability enjoyed is poor.
The content of the invention
The present invention manages the above mentioned problem existed for existing data, and there is provided a kind of data based on compound block chain network
Management system and method, can solve the problem that data integrity, authenticity, security and can audit trail, make data system standardization,
Realization is interconnected, improve data retrieval, using and sharing efficiency.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of data management based on compound block chain network
System, including one-level block chain network and at least one two grades of block chain network；
Two grades of block chain networks include multiple interconnections from node server, two grades of block chain networks exist
All host node servers set from node server in a host node server, all two grades of block chains networkings
It is interconnected to constitute one-level block chain networking；
It is described to receive the gathered data that data collection station is uploaded from node server, and the gathered data is packaged into
Multiple data blocks, are signed and the first encryption to the multiple data block, will be passed through at signature and the first encryption
The multiple data block of reason is sent to and the host node server being connected from node server；
The host node server, it is right for carrying out signature verification to the multiple data block, and after being verified
The multiple data block carries out the second encryption, using block chain technology by described through the multiple of the second encryption
Data block distributed storage is all from node server what is be connected with the host node server.
The beneficial effects of the invention are as follows：The complete of data is ensured by the examination ＆ verification signature verification of combined multi-stage block chain network
Property, authenticity and standardization, the security of data is ensured by graded encryption, multiple authorization, by block chain technology and
Combined multi-stage network structure design, make data interconnection intercommunication, exchange it is more smooth and can audit trail, improve the inspection of data
Rope, using and sharing efficiency.
For achieving the above object, the present invention also provides a kind of data management system reality based on compound block chain network
The method of existing data management, comprises the following steps：
Step 1, data collection station gathered data, and gathered data is uploaded to what is be connected with the data collection station
From node server；
Step 2, the gathered data uploaded from node server reception data collection station, and the gathered data is packed
Into multiple data blocks, the multiple data block is signed and the first encryption, will be by signature and the first encryption
The multiple data block of processing is sent to and the host node server being connected from node server；
Step 3, host node server carry out signature verification to the multiple data block, and after being verified, to institute
State multiple data blocks and carry out the second encryption, using block chain technology by the multiple number through the second encryption
Be connected with the host node server all from node server are stored according to block distributed.
The beneficial effects of the invention are as follows：The complete of data is ensured by the examination ＆ verification signature verification of combined multi-stage block chain network
Property, authenticity and standardization, the security of data is ensured by graded encryption, multiple authorization, by block chain technology and
Combined multi-stage network structure design, make data interconnection intercommunication, exchange it is more smooth and can audit trail, improve the inspection of data
Rope, using and sharing efficiency.
The advantage of additional aspects of the present invention will be set forth in part in the description, and will partly become from the following description
Substantially, or by present invention practice recognize.
Brief description of the drawings
Fig. 1 is the structural framing figure of two grades of block chain networks provided in an embodiment of the present invention；
Fig. 2 is the structural framing figure of one-level block chain network provided in an embodiment of the present invention；
Fig. 3 is a kind of structural frames of the data management system based on compound block chain network provided in an embodiment of the present invention
Figure；
Fig. 4 is a kind of flow chart of the data managing method based on compound block chain network provided in an embodiment of the present invention；
Fig. 5 is step 2 in a kind of data managing method based on compound block chain network provided in an embodiment of the present invention
Flow chart；
Fig. 6 is step 3 in a kind of data managing method based on compound block chain network provided in an embodiment of the present invention
Flow chart.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Fig. 1 and Fig. 2 is in a kind of data management system based on compound block chain network provided in an embodiment of the present invention
The structural framing figure of two grades of block chain networks and one-level block chain network, as depicted in figs. 1 and 2, the system include one-level block
Chain network and at least one two grades of block chain network；
Two grades of block chain networks include multiple interconnections from node server, two grades of block chain networks exist
All host node servers set from node server in a host node server, all two grades of block chains networkings
It is interconnected to constitute one-level block chain networking；
It is described to receive the gathered data that data collection station is uploaded from node server, and the gathered data is packaged into
Multiple data blocks, are signed and the first encryption to the multiple data block, will be passed through at signature and the first encryption
The multiple data block of reason is sent to and the host node server being connected from node server；
The host node server, it is right for carrying out signature verification to the multiple data block, and after being verified
The multiple data block carries out the second encryption, using block chain technology by described through the multiple of the second encryption
Data block distributed storage is all from node server what is be connected with the host node server.
Specifically, by taking medical data as an example, several inside single medical institutions of two grades of block chain networks are from node
Server interconnects composition, and each medical institutions set a host node server, the host node service of all medical institutions
Device, which interconnects, constitutes one-level block chain network.Data collection station refers to the terminal computer for being distributed in each section office of hospital, various inspections
Instrument, Intelligent monitoring device, kiosks and the Internet service of link platform are looked into, each data collection station enters data
Uploaded to after row classification and standardization in two grades of block chain networks from node server, should from node server with this from section
The data of classifying in detail of all data collection stations upload of point server connection are packaged into several blocks, also, should be from section
The data examination ＆ verification signature generation module of point server is entered to the integrality and authenticity for classifying data in detail at every fixed time
Row examination ＆ verification, audits errorless one examination ＆ verification signature of rear generation, examination ＆ verification is signed and is sent to after the block data of encryption
These block datas after host node server authentication examination ＆ verification signature passes through, then are entered by two grades of block chain network host node servers
Row encryption, then using block chain technologies broadcast to all two-level nodes, and block data distributed storage with the main section
It is all above node server that point server is connected.
A kind of data management system based on compound block chain network provided in above-described embodiment, passes through combined multi-stage area
The examination ＆ verification signature verification of block chain network ensures integrality, authenticity and the standardization of data, passes through graded encryption, multiple authorized party
Formula ensures the security of data, is designed by block chain technology and combined multi-stage network structure, makes data interconnection intercommunication, exchanges more
Plus it is smooth and can audit trail, improve data retrieval, using and sharing efficiency.
Alternatively, as in one embodiment of the present of invention, host node server is additionally operable to from by the second encryption
Extracting data classified index data, and the classified index data are packaged into multiple data directory blocks, to described many
Individual data index area block carries out the 3rd encryption, stores multiple data directory blocks Jing Guo the 3rd encryption, and by institute
State multiple data directory blocks by the 3rd encryption and arrived using the storage of block chain technology and connected with the host node server
All host node servers connect.
Specifically, in this embodiment, each host node server synchrodata block in this grade of block chain network
Meanwhile, from synchronous data block extract the classified index data comprising classification, keyword, catalogue of making a summary etc. be packaged into it is some
Individual data index area block is simultaneously encrypted, and data directory block is then stored in the every of one-level block chain network using block chain technology
Above one host node server.
A kind of data management system based on compound block chain network provided in above-described embodiment, by extracting classification rope
Argument evidence, it is possible to increase the efficiency of data access, in addition, by packing and encryption to classified index data, having ensured data
Security.
Alternatively, as in one embodiment of the present of invention, Fig. 3 is provided in an embodiment of the present invention a kind of based on recombination region
The structured flowchart of the data management system of block chain network, as shown in figure 3, on the basis of embodiment illustrated in fig. 1, it is described from node
Server includes packetization module, examination ＆ verification signature generation module, the first data transmission blocks, the first data memory module, first close
Key generation module and first key memory module；
Packetization module is used for the gathered data for receiving data collection station upload, and the gathered data is packaged into multiple
Data block；
Auditing signature generation module is used to generate examination ＆ verification signature, and using the examination ＆ verification signature to the multiple data block
Signed；
First key generation module is used to generate the first encryption key and the first decruption key using the first AES, and
Using first encryption key to carrying out the first encryption by the multiple data block of signature；
First key memory module is used to store first decruption key, and first decruption key is used to visit in data
Key authorization is carried out when asking；
First data transmission blocks be used for will by signature and the first encryption the multiple data block send to
With the host node server being connected from node server；
First data memory module is used to store the multiple data block Jing Guo the second encryption.
Specifically, the data gathered by data collection station upload to two grades of block chain networks from node server and beaten
It is bundled into after data block and a pair of secret keys is generated using AES from node server by this first encrypts the data block, decrypts
Key storage encloses this from node server, then at this and is sent to two grades of blocks from the data examination ＆ verification signature of node server
Chain network host node server.
Alternatively, in this embodiment, as shown in figure 3, host node server includes examination ＆ verification signature verification module, the second number
According to memory module, the second data transmission blocks, the second key production module, the second cipher key storage block, the 3rd key generation mould
Block, the 3rd cipher key storage block, database connection module, classified index data management module and data interface module；
The examination ＆ verification signature verification module is used to carry out signature verification to the multiple data blocks sent from node server；
Second key production module is used to generate the second encryption key using the second AES and the second decryption is close
Key, and the second encryption is carried out to the multiple data block by checking using second encryption key；
Second cipher key storage block is used to store second decruption key, and second decruption key is used in number
Key authorization is carried out according to when accessing；
Second data memory module is used to store the multiple data block Jing Guo the second encryption；
Second data transmission blocks are used to send the multiple data block Jing Guo the second encryption
It is all from node server to what is be connected with the host node server；
The database connection module, for connecting second data memory module and the classified index data management
Module；
The classified index data management module is used for from the extracting data classified index number Jing Guo the second encryption
According to, and the classified index data are packaged into multiple data directory blocks, store multiple data Jing Guo the 3rd encryption
Block is indexed, and multiple data directory blocks Jing Guo the 3rd encryption are broadcast to and host node server company
All host node servers connect；
3rd key production module is used to generate the 3rd encryption key using the 3rd AES and the 3rd decryption is close
Key, and the 3rd encryption is carried out to the classified index data using the 3rd encryption key；
3rd cipher key storage block is used to store the 3rd decruption key, and the 3rd decruption key is used in number
Key authorization is carried out according to when accessing；
The data interface module is used to provide data-interface for data access.
Specifically, in this embodiment, host node server is to the examination ＆ verification label of the data block sent from node server
Name is verified, it is ensured that data it is complete it is errorless after a pair of secret keys is generated using AES again data is encrypted for second, decrypt
Key storage is on host node server, and the data of second of encryption are covered timestamp by host node server, then data field
Block is all from node server by being broadcast to two grades of block chain networks, is obtaining other from data field after node server confirmation
Block joins end to end successively in chronological order, real-time update, it is sub-category be stored in it is all from node server, so, by
Using examination ＆ verification signature verification and double-encryption processing when in the range of two grades of block chain networks to data storage, number can be effectively protected
According to integrality, authenticity, standardization and security.
Divide in addition, the online host node server of two grades of block chains extracts the synchronous data message of two grades of block chain networks
Class index data is simultaneously packaged into after block and generates a pair of secret keys using AES, and classified index data block is encrypted, decryption
Key storage is on host node server, and the data directory block of encryption is covered timestamp by host node server, then adding
Close data directory block is broadcast to all nodes of one-level block chain network, after the confirmation of other host node servers, on time
Between order join end to end successively, real-time update, according to index classification storage arrive all one-level block chain network host node servers
In, so constitute the encrypted indexes data network of all one-level block chains, it is ensured that be easy to retrieve and search while data safety.
In a kind of data management system based on compound block chain network provided in above-described embodiment, one-level area is being accessed
, it is necessary to which the key authorization ability gain access of host node server, each accessing during the classified index data of block chain network
The double descrambling key of the relevant two-level network of host node server is needed during the data of data collection station collection and from node
Triple key authorizations could obtain related access rights to the decruption key of server altogether, make data not only safe, complete but also be easy to inspection
Rope, using with it is shared.
Alternatively, in this embodiment, the first AES, the second AES and the 3rd AES are different non-
Symmetric key encryption algorithm..
Specifically, one-level, two grades of block chain networks and graded encryption mode can be calculated using different Asymmetric Elliptic encryptions
Method, formation is not interfere with each other, two separate cryptographic block chain networks, each master being overlapped mutually in two-stage block chain network
Node server designs relative program, and two block chain databases are effectively connected, and forms interconnecting for data.
Above in association with Fig. 1, Fig. 2 and Fig. 3, one kind according to embodiments of the present invention is described in detail and is based on compound block link network
The data management system of network, with reference to Fig. 4, Fig. 5 and Fig. 6, is described in detail one kind according to embodiments of the present invention and is based on being combined
The data managing method of block chain network.
Fig. 4 provides a kind of data managing method based on compound block chain network for the present invention, as shown in figure 4, this method
Comprise the following steps：
410th, data collection station gathered data, and gathered data is uploaded to be connected with the data collection station from
Node server；
420th, the gathered data that data collection station is uploaded is received from node server, and the gathered data is packaged into
Multiple data blocks, are signed and the first encryption to the multiple data block, will be passed through at signature and the first encryption
The multiple data block of reason is sent to and the host node server being connected from node server；
430th, host node server carries out signature verification to the multiple data block, and after being verified, to described
Multiple data blocks carry out the second encryption, using block chain technology by the multiple data through the second encryption
It is block distributed to be stored in be connected with the host node server all from node server.
Specifically, by taking medical data as an example, several inside single medical institutions of two grades of block chain networks are from node
Server interconnects composition, and each medical institutions set a host node server, the host node service of all medical institutions
Device, which interconnects, constitutes one-level block chain network.Data collection station refers to the terminal computer for being distributed in each section office of hospital, various inspections
Instrument, Intelligent monitoring device, kiosks and the Internet service of link platform are looked into, each data collection station enters data
Uploaded to after row classification and standardization in two grades of block chain networks from node server, should from node server with this from section
The data of classifying in detail of all data collection stations upload of point server connection are packaged into several blocks, also, should be from section
The data examination ＆ verification signature generation module of point server is entered to the integrality and authenticity for classifying data in detail at every fixed time
Row examination ＆ verification, audits errorless one examination ＆ verification signature of rear generation, examination ＆ verification is signed and is sent to after the block data of encryption
These block datas after host node server authentication examination ＆ verification signature passes through, then are entered by two grades of block chain network host node servers
Row encryption, then using block chain technologies broadcast to all two-level nodes, and block data distributed storage with the main section
It is all above node server that point server is connected.
A kind of data managing method based on compound block chain network provided in above-described embodiment, passes through combined multi-stage area
The examination ＆ verification signature verification of block chain network ensures integrality, authenticity and the standardization of data, passes through graded encryption, multiple authorized party
Formula ensures the security of data, is designed by block chain technology and combined multi-stage network structure, makes data interconnection intercommunication, exchanges more
Plus it is smooth and can audit trail, improve data retrieval, using and sharing efficiency.
Alternatively, as in one embodiment of the present of invention, this method also includes：Step 440, host node server are from warp
The extracting data classified index data of the second encryption are crossed, and the classified index data are packaged into multiple data directories
Block, the 3rd encryption is carried out to the multiple data directory block, stores multiple data ropes Jing Guo the 3rd encryption
Draw block, and multiple data directory blocks Jing Guo the 3rd encryption are arrived and the master using the storage of block chain technology
All host node servers of node server connection.
Specifically, in this embodiment, each host node server synchrodata block in this grade of block chain network
Meanwhile, from synchronous data block extract the classified index data comprising classification, keyword, catalogue of making a summary etc. be packaged into it is some
Individual data index area block is simultaneously encrypted, and data directory block is then stored in the every of one-level block chain network using block chain technology
Above one host node server.
A kind of data management system based on compound block chain network provided in above-described embodiment, by extracting classification rope
Argument evidence, it is possible to increase the efficiency of data access, in addition, by packing and encryption to classified index data, improving data
Security.
Alternatively, as in one embodiment of the present of invention, as shown in figure 5, on the basis of embodiment illustrated in fig. 4, walking
Rapid 420 specifically include：
510th, the gathered data that data collection station is uploaded is received from node server, and the gathered data is packaged into
Multiple data blocks；
520th, from node server generation examination ＆ verification signature, and the multiple data block is carried out using the examination ＆ verification signature
Signature；
530th, the first encryption key and the first decruption key are generated from node server using the first AES, and utilized
First encryption key by the multiple data block of signature to carrying out the first encryption；
540th, first decruption key is stored from node server, first decruption key is used in data access
Carry out key authorization；
550th, from node server by by signature and the first encryption the multiple data block send to institute
State the host node server connected from node server；
560th, the multiple data block of the storage Jing Guo the second encryption.
Specifically, the data gathered by data collection station upload to two grades of block chain networks from node server and beaten
It is bundled into after data block and a pair of secret keys is generated using AES from node server by this first encrypts the data block, decrypts
Key storage encloses this from node server, then at this and is sent to two grades of blocks from the data examination ＆ verification signature of node server
Chain network host node server.
Alternatively, in this embodiment, as shown in fig. 6, on the basis of embodiment illustrated in fig. 5, step 430 is specifically wrapped
Include：
610th, host node server is verified to the multiple data blocks sent from node server；
620th, host node server generates the second encryption key and the second decruption key using the second AES, and utilizes
Second encryption key carries out the second encryption to the data by checking；
630th, the second decruption key described in host node server storage, second decruption key is carried out in data access
Key authorization；
640th, data of the host node server storage Jing Guo secondary encryption, and the data Jing Guo secondary encryption are sent
It is all from node server to what is be connected with the host node server；
650th, host node server is from the extracting data classified index data Jing Guo secondary encryption, and by the classification rope
Argument evidence is packaged into multiple data directory blocks；
660th, host node server generates the 3rd encryption key and the 3rd decruption key using the 3rd AES, and utilizes
3rd encryption key carries out the 3rd encryption to the multiple data directory block；
670th, the 3rd decruption key described in host node server storage, the 3rd decruption key is carried out in data access
Key authorization；
680th, multiple data directory blocks of the host node server storage Jing Guo the 3rd encryption, and pass through by described
Multiple data directory blocks of three encryptions are all to what is be connected with the host node server using block chain technologies broadcast
Host node server.
Specifically, in this embodiment, host node server is to the examination ＆ verification label of the data block sent from node server
Name is verified, it is ensured that data it is complete it is errorless after a pair of secret keys is generated using AES again data is encrypted for second, decrypt
Key storage is on host node server, and the data of second of encryption are covered timestamp by host node server, then data field
Block is all from node server by being broadcast to two grades of block chain networks, is obtaining other from data field after node server confirmation
Block joins end to end successively in chronological order, real-time update, it is sub-category be stored in it is all from node server, so, by
Using examination ＆ verification signature verification and double-encryption processing when in the range of two grades of block chain networks to data storage, number can be effectively protected
According to integrality, authenticity, standardization and security.
Divide in addition, the online host node server of two grades of block chains extracts the synchronous data message of two grades of block chain networks
Class index data is simultaneously packaged into after block and generates a pair of secret keys using AES, and classified index data block is encrypted, decryption
Key storage is on host node server, and the data directory block of encryption is covered timestamp by host node server, then adding
Close data directory block is broadcast to all nodes of one-level block chain network, after the confirmation of other host node servers, on time
Between order join end to end successively, real-time update, according to index classification storage arrive all one-level block chain network host node servers
In, so constitute the encrypted indexes data network of all one-level block chains, it is ensured that be easy to retrieve and search while data safety.
In a kind of data managing method based on compound block chain network provided in above-described embodiment, one-level area is being accessed
, it is necessary to which the key authorization ability gain access of host node server, each accessing during the classified index data of block chain network
The double descrambling key of the relevant two-level network of host node server is needed during the data of data collection station collection and from node
Triple key authorizations could obtain related access rights to the decruption key of server altogether, make data not only safe, complete but also be easy to inspection
Rope, using with it is shared.
Alternatively, in this embodiment, first AES, the second AES and the 3rd AES are different
Asymmetric-key encryption algorithm.
Specifically, one-level, two grades of block chain networks and graded encryption mode can be calculated using different Asymmetric Elliptic encryptions
Method, formation is not interfere with each other, two separate cryptographic block chain networks, each master being overlapped mutually in two-stage block chain network
Node server designs relative program, and two block chain databases are effectively connected, and forms interconnecting for data.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of data management system based on compound block chain network, it is characterised in that including one-level block chain network and extremely
Few two grades of block chain networks；
Two grades of block chain networks include multiple interconnections from node server, two grades of block chain networks are all
Set the host node server in a host node server, all two grades of block chains networkings mutual from node server
Connect and compose one-level block chain networking；
It is described to receive the gathered data that data collection station is uploaded from node server, and the gathered data is packaged into multiple
Data block, is signed and the first encryption to the multiple data block, by by signature and the first encryption
The multiple data block is sent to and the host node server being connected from node server；
The host node server, for carrying out signature verification to the multiple data block, and after being verified, to described
Multiple data blocks carry out the second encryption, using block chain technology by the multiple data through the second encryption
It is block distributed to be stored in be connected with the host node server all from node server.
2. system according to claim 1, it is characterised in that the host node server is additionally operable to encrypt from by second
The extracting data classified index data of processing, and the classified index data are packaged into multiple data directory blocks, to institute
State multiple data directory blocks and carry out the 3rd encryption, store multiple data directory blocks Jing Guo the 3rd encryption, and
Multiple data directory blocks Jing Guo the 3rd encryption are arrived and the host node service using the storage of block chain technology
All host node servers of device connection.
3. system according to claim 2, it is characterised in that described to include packetization module, examination ＆ verification label from node server
Name generation module, the first data transmission blocks, the first data memory module, first key generation module and first key storage mould
Block；
The packetization module, for receiving the gathered data of data collection station upload, and the gathered data is packaged into many
Individual data block；
The examination ＆ verification signature generation module, for generating examination ＆ verification signature, and using the examination ＆ verification signature to the multiple data field
Block is signed；
The first key generation module, for generating the first encryption key and the first decruption key using the first AES,
And using first encryption key to carrying out the first encryption by the multiple data block of signature；
The first key memory module, for storing first decruption key, first decruption key is used in data
Key authorization is carried out during access；
First data transmission blocks, for will by signature and the first encryption the multiple data block send to
With the host node server being connected from node server；
First data memory module, for storing the multiple data block Jing Guo the second encryption.
4. system according to claim 3, it is characterised in that the host node server includes examination ＆ verification signature verification mould
It is block, the second data memory module, the second data transmission blocks, the second key production module, the second cipher key storage block, the 3rd close
Key generation module, the 3rd cipher key storage block, database connection module, classified index data management module and data-interface mould
Block；
The examination ＆ verification signature verification module, for carrying out signature verification to the multiple data blocks sent from node server；
Second key production module, for generating the second encryption key and the second decruption key using the second AES,
And the second encryption is carried out to the multiple data block by checking using second encryption key；
Second cipher key storage block, for storing second decruption key, second decruption key is used in data
Key authorization is carried out during access；
Second data memory module, for storing the multiple data block Jing Guo the second encryption；
Second data transmission blocks, for by the multiple data block Jing Guo the second encryption be sent to
It is all from node server that the host node server is connected；
The database connection module, for connecting second data memory module and the classified index data management mould
Block；
The classified index data management module, for from the extracting data classified index data Jing Guo the second encryption,
And the classified index data are packaged into multiple data directory blocks, store multiple data directories Jing Guo the 3rd encryption
Block, and multiple data directory blocks Jing Guo the 3rd encryption are broadcast to what is be connected with the host node server
All host node servers；
3rd key production module, for generating the 3rd encryption key and the 3rd decruption key using the 3rd AES,
And the 3rd encryption is carried out to the classified index data using the 3rd encryption key；
3rd cipher key storage block, for storing the 3rd decruption key, the 3rd decruption key is used in data
Key authorization is carried out during access；
The data interface module, for providing data-interface for data access.
5. system according to claim 4, it is characterised in that first AES, the second AES and the 3rd
AES is different asymmetric-key encryption algorithms.
6. the data management system based on compound block chain network described in a kind of utilization claim any one of 1-5 realizes data
The method of management, it is characterised in that comprise the following steps：
Step 1, data collection station gathered data, and gathered data is uploaded to be connected with the data collection station from section
Point server；
Step 2, the gathered data that data collection station is uploaded is received from node server, and the gathered data is packaged into many
Individual data block, is signed and the first encryption to the multiple data block, will be by signature and the first encryption
The multiple data block be sent to and the host node server being connected from node server；
Step 3, host node server carry out signature verification to the multiple data block, and after being verified, to described many
Individual data block carries out the second encryption, using block chain technology by the multiple data field through the second encryption
Block distributed storage is all from node server what is be connected with the host node server.
7. method according to claim 6, it is characterised in that also include：
Host node server is from the extracting data classified index data Jing Guo the second encryption, and by the classified index number
According to multiple data directory blocks are packaged into, the 3rd encryption is carried out to the multiple data directory block, storage passes through the 3rd
Multiple data directory blocks of encryption, and multiple data directory blocks Jing Guo the 3rd encryption are utilized into block
All host node servers being connected with the host node server are arrived in the storage of chain technology.
8. method according to claim 7, it is characterised in that the step 2 is specifically included：
Step 2.1, the gathered data uploaded from node server reception data collection station, and the gathered data is packaged into
Multiple data blocks；
Step 2.2, from node server generation examination ＆ verification signature, and using it is described examination ＆ verification signature to the multiple data block progress
Signature；
Step 2.3, from node server using the first AES the first encryption key and the first decruption key are generated, and utilized
First encryption key by the multiple data block of signature to carrying out the first encryption；
Step 2.4, first decruption key is stored from node server, first decruption key is used in data access
Carry out key authorization；
Step 2.5, from node server by by signature and the first encryption the multiple data block send to institute
State the host node server connected from node server；
The multiple data block of step 2.6, storage Jing Guo the second encryption.
9. method according to claim 8, it is characterised in that the step 3 is specifically included：
Step 3.1, host node server are verified to the multiple data blocks sent from node server；
Step 3.2, host node server generate the second encryption key and the second decruption key using the second AES, and utilize
Second encryption key carries out the second encryption to the data by checking；
Second decruption key described in step 3.3, host node server storage, second decruption key is carried out in data access
Key authorization；
The data of step 3.4, host node server storage Jing Guo secondary encryption, and the data Jing Guo secondary encryption are sent
It is all from node server to what is be connected with the host node server；
Step 3.5, host node server are from the extracting data classified index data Jing Guo secondary encryption, and by the classification rope
Argument evidence is packaged into multiple data directory blocks；
Step 3.6, host node server generate the 3rd encryption key and the 3rd decruption key using the 3rd AES, and utilize
3rd encryption key carries out the 3rd encryption to the multiple data directory block；
3rd decruption key described in step 3.7, host node server storage, the 3rd decruption key is carried out in data access
Key authorization；
The multiple data directory blocks of step 3.8, host node server storage Jing Guo the 3rd encryption, and pass through by described
Multiple data directory blocks of three encryptions are broadcast to all host node servers being connected with the host node server.
10. method according to claim 8 or claim 9, it is characterised in that first AES, the second AES and
3rd AES is different asymmetric-key encryption algorithms.
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