CN108600199A - A kind of transmission method and system of the Audit data based on block chain - Google Patents
A kind of transmission method and system of the Audit data based on block chain Download PDFInfo
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- CN108600199A CN108600199A CN201810305930.6A CN201810305930A CN108600199A CN 108600199 A CN108600199 A CN 108600199A CN 201810305930 A CN201810305930 A CN 201810305930A CN 108600199 A CN108600199 A CN 108600199A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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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
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/045—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply hybrid encryption, i.e. combination of symmetric and asymmetric encryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
Abstract
The present invention provides a kind of transmission methods and system of the Audit data based on block chain, the request of data message that identification (RNC-ID) analytic module sends the request of data node received parses, obtain target data mark, and when locally not storing target data, is identified according to target data and request of data message is sent to data publication node；Data publication node is encrypted target data using the public key of request of data node, obtain the encryption data packet of target data, it is signed to the encryption data packet of target data using the private key of data publication node, and the encryption data packet for the target data for carrying signature is sent to request of data node；Request of data node verifies the signature of the encryption data packet of target data using the public key of the data publication node, after being verified, the encryption data packet of target data is decrypted using the private key of request of data node, target data is obtained, the safe and reliable transmission of Audit data is realized.
Description
Technical field
The present invention relates to block chain technical fields, more particularly to a kind of transmission of the Audit data based on block chain
Method and system.
Background technology
The credibility of data is always the emphasis that audit process is concerned about, directly affects the confidence level of auditing result.Tradition
Field audit is that accounting information in the past period is exercised supervision and checked.Due to being lagged on the time so that bookkeeper person
In the presence of the possibility for illegally modifying or distorting book of accounts, thus there are the risks of business activities information distortion.The audit time is upper stagnant
Afterwards but also supervision department fails to find, by the unlawful practice of supervision unit, supervision function to be caused to lack in time.With setting about
Work is done account and is replaced by financial software so that historic change occurs for the form of expression of accounting data, and electronic data becomes audit core
The main body looked into.Electronic data is easy to will not leave behind after distorting and distorting and distorts trace, this to audit compared with papery data
Personnel are difficult to find, there are the risks of account information inaccuracy；Once electronic data passes through after careful illegal modifications, auditor
Member can not restore the electronic data of modification, to obtain authentic and valid Audit data.
Therefore, the auditing method of account electronic accounting is either done by hand, although by expending a large amount of manpower, object
Reason ensures that Audit data is credible to greatest extent.But there are still the feelings of data inaccuracy in the transmission process of Audit data
Condition.
Invention content
In view of this, the present invention provides a kind of transmission method and system of the Audit data based on block chain, realizes and examine
The safe and reliable transmission counted.
In order to achieve the above-mentioned object of the invention, specific technical solution provided by the invention is as follows：
A kind of transmission method of the Audit data based on block chain, the method includes：
The request of data message that identification (RNC-ID) analytic module sends the request of data node received parses, and obtains target
Data Identification, and when locally not storing target data, sent the request of data message according to target data mark
To data publication node；
The data publication node is encrypted target data using the public key of the request of data node, obtains target
The encryption data packet of data signs to the encryption data packet of target data using the private key of the data publication node, and
The encryption data packet for the target data for carrying signature is sent to the request of data node；
The request of data node is using the public key of the data publication node to the label of the encryption data packet of target data
Name is verified, and after being verified, is carried out to the encryption data packet of target data using the private key of the request of data node
Decryption, obtains target data.
Preferably, the target data mark includes naming system, prefix field and suffix field；The prefix field table
Show that the corresponding data publication node address of the target data, the suffix field are that the target data is sent out in corresponding data
Unique mark on cloth node.
Preferably, the request of data message sent to the request of data node received in the identification (RNC-ID) analytic module carries out
Before parsing, the method further includes：
System level mark in publicly-owned chain is backuped to local by mark synchronization module, and the system in alliance's chain is each
The multistage mark of node backups to local.
Preferably, the request of data message sent to the request of data node received in the identification (RNC-ID) analytic module carries out
Parsing, obtaining target data mark further includes later：
The identification (RNC-ID) analytic module judges that whether to be stored with target data corresponding for local according to target data mark
Data publication address of node；
If so, sending the corresponding data publication address of node of target data to the request of data node；
It is identified request of data message hair according to the target data if it is not, triggering executes the identification (RNC-ID) analytic module
It send to data publication node.
Preferably, the identification (RNC-ID) analytic module identifies according to the target data request of data message being sent to number
According to publisher node, including：
The identification (RNC-ID) analytic module judges that the target data identifies whether to identify for level one data；
If so, the identification (RNC-ID) analytic module obtains data publication node address corresponding with target data mark, and
The request of data message is forwarded to the data publication node；
If it is not, the identification (RNC-ID) analytic module is with obtaining the first forwarding destination node corresponding with target data mark
Location, and the request of data message is forwarded to the first forwarding destination node；
Whether the first forwarding destination node judges the first forwarding destination node according to target data mark
Corresponding data publication node is identified for the target data；
If not the target data identifies corresponding data publication node, the first forwarding destination node obtains and institute
Target data mark corresponding second forwarding destination node address is stated, and the request of data message is forwarded to described second turn
Destination node is sent out, corresponding data publication node is identified until the request of data message is forwarded to the target data.
Preferably, the encryption data packet for the target data for carrying signature is sent to the number by the data publication node
According to requesting node, including：
The encryption data packet for the target data for carrying signature is sent to Data Verification module by the data publication node；
The Data Verification module is using the public key of the data publication node to the label of the encryption data packet of target data
Name is verified；
After being verified, the Data Verification module judges locally whether be stored with mesh according to target data mark
Mark the corresponding request of data address of node of data；
If so, the encryption data packet for the target data for carrying signature is forwarded to request of data by the Data Verification module
Node；
If it is not, the Data Verification module is with obtaining the first passback destination node corresponding with target data mark
Location, and the encryption data packet for the target data for carrying signature is forwarded to the first passback destination node；
The first passback destination node uses the public key of the data publication node to the encryption data packet of target data
Signature verified；
After being verified, the first passback destination node judges first passback according to target data mark
Whether destination node is that the target data identifies corresponding request of data node；
If not the target data identifies corresponding request of data node, the first passback destination node obtains and institute
Target data mark corresponding second passback destination node address is stated, and the encryption data packet of the target data of signature will be carried
It is forwarded to the second passback destination node, until the encryption data packet for carrying the target data of signature is forwarded to the mesh
Mark the corresponding request of data node of Data Identification.
Preferably, the data publication node is encrypted target data using the public key of the request of data node,
The encryption data packet of target data is obtained, the encryption data packet of target data is carried out using the private key of the data publication node
Signature, including：
The data publication node uses the public key of the request of data node according to predetermined encryption algorithm, to target data
It is encrypted, obtains the ciphertext of target data；
According to the ciphertext of Preset Transfer agreement and target data, the encryption data packet of target data is built；
Obtain the private key of the data publication node, and according to the predetermined encryption algorithm and the data publication node
Private key signs to the encryption data packet of target data.
A kind of Transmission system of the Audit data based on block chain, including：Identification (RNC-ID) analytic module, request of data node sum number
According to publisher node；
The identification (RNC-ID) analytic module, the request of data message for being sent to the request of data node received carry out
Parsing obtains target data mark, and when locally not storing target data, is identified the data according to the target data
Request message is sent to the data publication node；
The data publication node is obtained for target data to be encrypted using the public key of the request of data node
To the encryption data packet of target data, the encryption data packet of target data is signed using the private key of the data publication node
Name, and the encryption data packet for the target data for carrying signature is sent to the request of data node；
The request of data node, for the public key using the data publication node to the encryption data packet of target data
Signature verified, after being verified, using the private key of the request of data node to the encryption data packet of target data
It is decrypted, obtains target data.
Preferably, the system also includes：
Synchronization module is identified, for the system level mark in publicly-owned chain to be backuped to local, and will be in alliance's chain
The multistage mark of each node of uniting backups to local.
Preferably, the identification (RNC-ID) analytic module judges locally whether be stored with target data according to target data mark
Corresponding data publication address of node；
If so, sending the corresponding data publication address of node of target data to the request of data node；
It is identified request of data message hair according to the target data if it is not, triggering executes the identification (RNC-ID) analytic module
It send to data publication node.
Compared with the existing technology, beneficial effects of the present invention are as follows：
The transmission method and system of a kind of Audit data based on block chain disclosed by the invention, application block chain technology are real
The transmission of existing Audit data, passes through the data publication address of node of target data mark location target data, identification (RNC-ID) analytic mould
The request of data message that block sends the request of data node received parses, and obtains target data mark, and when local
When not storing target data, is identified according to the target data and the request of data message is sent to data publication node, and
Data are encrypted and decrypted respectively by using the public and private key of each node, signature verification, Audit data can be disclosed and be deposited
It is placed on block chain chain and is utilized by malicious third parties without concern of data, to realize the safe and reliable biography of Audit data
It is defeated.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of transmission method flow chart of the Audit data based on block chain disclosed by the embodiments of the present invention；
Fig. 2 is a kind of method that the request of data message is sent to data publication node disclosed by the embodiments of the present invention
Flow chart；
Fig. 3 is the schematic diagram of a scenario of level-one identification (RNC-ID) analytic disclosed by the embodiments of the present invention；
Fig. 4 is the schematic diagram of a scenario of multistage identification (RNC-ID) analytic disclosed by the embodiments of the present invention；
Fig. 5 is a kind of Transmission system structural schematic diagram of the Audit data based on block chain disclosed by the embodiments of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, present embodiment discloses a kind of transmission method of the Audit data based on block chain, specifically include with
Lower step：
S101：The request of data message that identification (RNC-ID) analytic module sends the request of data node received parses, and obtains
It identifies to target data, and when locally not storing target data, is identified the request of data report according to the target data
Text is sent to data publication node；
Before carrying out Audit data transmission, first have to auditing system being registered on publicly-owned chain, publicly-owned chain is to owner
Open, when auditing system is registered on publicly-owned chain, auditing system obtains a pair of public and private key and level-one mark；Then, it is based on
Fabric frameworks and level-one mark structure alliance chain, alliance's chain open portion of tissue mechanism, and alliance's chain includes multiple nodes,
There can be level division between multiple nodes, can also include that multiple two levels identify such as under level-one mark, multiple three-level marks
Know, etc.；Multiple nodes may be same layer in alliance's chain, and each node has the two level mark under level-one mark.
The target data is the Audit data being stored on block chain, target data mark include naming system,
Prefix field and suffix field；The prefix field indicates the corresponding data publication node address of the target data, after described
Asyllabia section is unique mark of the target data on corresponding data publication node.Naming system, prefix field and suffix
Field three parts are separated with slash, are divided into two parts in prefix with decimal point, and format is [BTC_BLOCK_SN] [BTC_
TRANS_INDEX], wherein [BTC_BLOCK_SN] is the number of the block where auditing system from the registration record on publicly-owned chain
Serial number, [BTC_TRANS_INDEX] be registration record of the auditing system on block chain where block in specific storage
The Arabic numerals of position are numbered, block chain can not tamper ensure that Data Identification can not tamper.Suffix [DSS] by
Auditing system is optional and voluntarily provides, and independently ensures uniqueness, so that it is determined that the specific data content mark corresponding to the mark.
It should be noted that the request of data report sent to the request of data node received in the identification (RNC-ID) analytic module
Before text is parsed, the method further includes：
System level mark in publicly-owned chain is backuped to local by mark synchronization module, and the system in alliance's chain is each
The multistage mark of node backups to local.
Local subsequently identify target data convenient for identification (RNC-ID) analytic module is backuped to the mark of each node to parse.
It should also be noted that, the mark of identification (RNC-ID) analytic module parsing may be the mark of a certain target data, it is also possible to
For the mark of a certain sensor.
It parses, obtains in the request of data message that the identification (RNC-ID) analytic module sends the request of data node received
Further include after to target data mark：
The identification (RNC-ID) analytic module judges that whether to be stored with target data corresponding for local according to target data mark
Data publication address of node；
If so, sending the corresponding data publication address of node of target data to the request of data node；
It is identified request of data message hair according to the target data if it is not, triggering executes the identification (RNC-ID) analytic module
It send to data publication node.
The request of data message is sent referring to Fig. 2, the identification (RNC-ID) analytic module is identified according to the target data
To data publication node, including：
S201：The identification (RNC-ID) analytic module judges that the target data identifies whether to identify for level one data；
If so, executing S202, S202：The identification (RNC-ID) analytic module obtains data hair corresponding with target data mark
Cloth node address, and the request of data message is forwarded to the data publication node；
If it is not, executing S203, S203：The identification (RNC-ID) analytic module obtains first turn corresponding with target data mark
Destination node address is sent out, and the request of data message is forwarded to the first forwarding destination node；
S204：The first forwarding destination node judges the first forwarding destination node according to target data mark
Whether it is that the target data identifies corresponding data publication node；
If the target data identifies corresponding data publication node and executes S205, S205：By the request of data report
Text is forwarded to the first forwarding destination node；
If not the target data identifies corresponding data publication node and executes S206, S206：The first forwarding mesh
Node obtain corresponding with target data mark second and forward destination node address, and by the request of data message turn
It is sent to the second forwarding destination node, corresponding number is identified until the request of data message is forwarded to the target data
According to publisher node.
Specifically, please referring to Fig. 3 and Fig. 4, Fig. 3 is the schematic diagram of a scenario that identification (RNC-ID) analytic module carries out level-one identification (RNC-ID) analytic,
Fig. 4 is the schematic diagram of a scenario of multistage identification (RNC-ID) analytic.User request of data node input target data mark, number where client
Request of data is initiated after target data mark packing is obtained request of data message according to requesting node.If local be not present number of targets
Destination address is forwarded according to then being obtained in alliance's chain query, and by data message forwarding to the address, the corresponding node in the address is sentenced
Disconnected target data identifies whether to arrived afterbody, and repeated resolution is after finding required data, backtracking.
S102：The data publication node is encrypted target data using the public key of the request of data node, obtains
To the encryption data packet of target data, the encryption data packet of target data is signed using the private key of the data publication node
Name, and the encryption data packet for the target data for carrying signature is sent to the request of data node；
It should be noted that each node has the public private key pair for belonging to itself, each node that can pass through interrogation zone
Block chain obtains the public key of other nodes, but cannot obtain the private key of other nodes.
Specifically, the data publication node uses the public key of the request of data node according to predetermined encryption algorithm, it is right
Target data is encrypted, and obtains the ciphertext of target data；
According to the ciphertext of Preset Transfer agreement and target data, the encryption data packet of target data is built；
Obtain the private key of the data publication node, and according to the predetermined encryption algorithm and the data publication node
Private key signs to the encryption data packet of target data.
Predetermined encryption algorithm can be any one Encryption Algorithm, such as RSA Algorithm etc..
It signs for the encryption data packet of target data, ensures that target data is not tampered in transmission process, ensure
Target data is from the horse's mouth.
S103：The request of data node uses the public key of the data publication node to the encryption data packet of target data
Signature verified, after being verified, using the private key of the request of data node to the encryption data packet of target data
It is decrypted, obtains target data.
The encryption data packet for the target data for carrying signature is sent to the request of data by the data publication node
Node, including：
The encryption data packet for the target data for carrying signature is sent to Data Verification module by the data publication node；
The Data Verification module is using the public key of the data publication node to the label of the encryption data packet of target data
Name is verified；
After being verified, the Data Verification module judges locally whether be stored with mesh according to target data mark
Mark the corresponding request of data address of node of data；
If so, the encryption data packet for the target data for carrying signature is forwarded to request of data by the Data Verification module
Node；
If it is not, the Data Verification module is with obtaining the first passback destination node corresponding with target data mark
Location, and the encryption data packet for the target data for carrying signature is forwarded to the first passback destination node；
The first passback destination node uses the public key of the data publication node to the encryption data packet of target data
Signature verified；
After being verified, the first passback destination node judges first passback according to target data mark
Whether destination node is that the target data identifies corresponding request of data node；
If not the target data identifies corresponding request of data node, the first passback destination node obtains and institute
Target data mark corresponding second passback destination node address is stated, and the encryption data packet of the target data of signature will be carried
It is forwarded to the second passback destination node, until the encryption data packet for carrying the target data of signature is forwarded to the mesh
Mark the corresponding request of data node of Data Identification.
It is understood that in the passback process of target data, destination node and request of data node are each returned
It is required for verifying the signature of target data, the reliability in verification target data source is verified, caches and continue
Otherwise processing passback downwards abandons the encryption data packet of target data.
In the passback process of target data, only request of data node has permission the encryption data of decryption target data
Packet, that is, the encryption data packet of target data can be decrypted by the private key of request of data node, other nodes are not due to having
There are the private key of request of data node, no permission that the encryption data packet of target data is decrypted, ensures that target data is passing
Safety during defeated.
A kind of transmission method of the Audit data based on block chain disclosed in the present embodiment, application block chain technology, which is realized, to be examined
The transmission counted passes through the data publication address of node of target data mark location target data, identification (RNC-ID) analytic module pair
The request of data message that the request of data node received is sent is parsed, and obtains target data mark, and ought not deposit locally
When storing up target data, is identified according to the target data and the request of data message is sent to data publication node, and passed through
Data are encrypted and decrypted respectively using the public and private key of each node, signature verification, Audit data can be disclosed and is stored in
It is utilized by malicious third parties without concern of data on block chain chain, to realize the safe and reliable transmission of Audit data.
Based on a kind of transmission method of the Audit data based on block chain disclosed in above-described embodiment, referring to Fig. 5, this reality
It applies example correspondence and discloses a kind of Transmission system of the Audit data based on block chain, including：Identification (RNC-ID) analytic module 501, data are asked
Ask node 502 and data publisher node 503；
The identification (RNC-ID) analytic module 501, the request of data report for being sent to the request of data node 502 received
Text is parsed, and is obtained target data mark, and when locally not storing target data, is identified institute according to the target data
It states request of data message and is sent to the data publication node 503；
The data publication node 503, for being added to target data using the public key of the request of data node 502
It is close, the encryption data packet of target data is obtained, using the private key of the data publication node 503 to the encryption data of target data
Packet is signed, and the encryption data packet for the target data for carrying signature is sent to the request of data node 502；
The request of data node 502, the encryption for the public key using the data publication node 503 to target data
The signature of data packet is verified, after being verified, the encryption using the private key of the request of data node to target data
Data packet is decrypted, and obtains target data.
Preferably, the system also includes：
Synchronization module is identified, for the system level mark in publicly-owned chain to be backuped to local, and will be in alliance's chain
The multistage mark of each node of uniting backups to local.
Preferably, the identification (RNC-ID) analytic module judges locally whether be stored with target data according to target data mark
Corresponding data publication address of node；
If so, sending the corresponding data publication address of node of target data to the request of data node；
It is identified request of data message hair according to the target data if it is not, triggering executes the identification (RNC-ID) analytic module
It send to data publication node.
A kind of Transmission system of the Audit data based on block chain disclosed in the present embodiment, application block chain technology, which is realized, to be examined
The transmission counted passes through the data publication address of node of target data mark location target data, identification (RNC-ID) analytic module pair
The request of data message that the request of data node received is sent is parsed, and obtains target data mark, and ought not deposit locally
When storing up target data, is identified according to the target data and the request of data message is sent to data publication node, and passed through
Data are encrypted and decrypted respectively using the public and private key of each node, signature verification, Audit data can be disclosed and is stored in
It is utilized by malicious third parties without concern of data on block chain chain, to realize the safe and reliable transmission of Audit data.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of transmission method of the Audit data based on block chain, which is characterized in that the method includes：
The request of data message that identification (RNC-ID) analytic module sends the request of data node received parses, and obtains target data
Mark, and when locally not storing target data, identified according to the target data and the request of data message is sent to number
According to publisher node；
The data publication node is encrypted target data using the public key of the request of data node, obtains target data
Encryption data packet, signed to the encryption data packet of target data using the private key of the data publication node, and will take
The encryption data packet of target data with signature is sent to the request of data node；
The request of data node using the data publication node public key to the signature of the encryption data packet of target data into
Row verification, after being verified, is decrypted the encryption data packet of target data using the private key of the request of data node,
Obtain target data.
2. according to the method described in claim 1, it is characterized in that, target data mark includes naming system, preceding asyllabia
Section and suffix field；The prefix field indicates the corresponding data publication node address of the target data, the suffix field
For unique mark of the target data on corresponding data publication node.
3. according to the method described in claim 1, it is characterized in that, in the identification (RNC-ID) analytic module to the request of data that receives
Before the request of data message that node is sent is parsed, the method further includes：
System level mark in publicly-owned chain is backuped to local by mark synchronization module, and by each node of system in alliance's chain
Multistage mark backup to local.
4. according to the method described in claim 1, it is characterized in that, in the identification (RNC-ID) analytic module to the request of data that receives
The request of data message that node is sent is parsed, and is obtained target data mark and is further included later：
The identification (RNC-ID) analytic module judges locally whether be stored with the corresponding data of target data according to target data mark
The address of publisher node；
If so, sending the corresponding data publication address of node of target data to the request of data node；
The request of data message is sent to according to target data mark if it is not, triggering executes the identification (RNC-ID) analytic module
Data publication node.
5. according to the method described in claim 1, it is characterized in that, the identification (RNC-ID) analytic module is identified according to the target data
The request of data message is sent to data publication node, including：
The identification (RNC-ID) analytic module judges that the target data identifies whether to identify for level one data；
If so, the identification (RNC-ID) analytic module obtains data publication node address corresponding with target data mark, and by institute
It states request of data message and is forwarded to the data publication node；
If it is not, the identification (RNC-ID) analytic module obtains the first forwarding destination node corresponding with target data mark address, and
The request of data message is forwarded to the first forwarding destination node；
The first forwarding destination node judges whether the first forwarding destination node is institute according to target data mark
It states target data and identifies corresponding data publication node；
If not the target data identifies corresponding data publication node, the first forwarding destination node obtains and the mesh
Data Identification corresponding second forwarding destination node address is marked, and the request of data message is forwarded to the second forwarding mesh
Node, identify corresponding data publication node until the request of data message is forwarded to the target data.
6. according to the method described in claim 1, it is characterized in that, the data publication node will carry the number of targets of signature
According to encryption data packet be sent to the request of data node, including：
The encryption data packet for the target data for carrying signature is sent to Data Verification module by the data publication node；
The Data Verification module using the data publication node public key to the signature of the encryption data packet of target data into
Row verification；
After being verified, the Data Verification module judges locally whether be stored with number of targets according to target data mark
According to corresponding request of data address of node；
If so, the encryption data packet for the target data for carrying signature is forwarded to request of data section by the Data Verification module
Point；
If it is not, the Data Verification module obtains the first passback destination node corresponding with target data mark address, and
The encryption data packet for the target data for carrying signature is forwarded to the first passback destination node；
The first passback destination node is using the public key of the data publication node to the label of the encryption data packet of target data
Name is verified；
After being verified, the first passback destination node judges the first passback purpose according to target data mark
Whether node is that the target data identifies corresponding request of data node；
If not the target data identifies corresponding request of data node, the first passback destination node obtains and the mesh
Data Identification corresponding second passback destination node address is marked, and the encryption data packet forwarding of the target data of signature will be carried
Destination node is returned to described second, until the encryption data packet for carrying the target data of signature is forwarded to the number of targets
According to the corresponding request of data node of mark.
7. according to the method described in claim 1, it is characterized in that, the data publication node uses the request of data node
Public key target data is encrypted, obtain the encryption data packet of target data, use the private key of the data publication node
It signs to the encryption data packet of target data, including：
The data publication node uses the public key of the request of data node according to predetermined encryption algorithm, is carried out to target data
Encryption, obtains the ciphertext of target data；
According to the ciphertext of Preset Transfer agreement and target data, the encryption data packet of target data is built；
The private key of the data publication node is obtained, and according to the private key of the predetermined encryption algorithm and the data publication node
It signs to the encryption data packet of target data.
8. a kind of Transmission system of the Audit data based on block chain, which is characterized in that including：Identification (RNC-ID) analytic module, data are asked
Ask node and data publisher node；
The identification (RNC-ID) analytic module, the request of data message for being sent to the request of data node received solve
Analysis obtains target data mark, and when locally not storing target data, is identified according to the target data and ask the data
Message is asked to be sent to the data publication node；
The data publication node obtains mesh for target data to be encrypted using the public key of the request of data node
The encryption data packet for marking data, signs to the encryption data packet of target data using the private key of the data publication node,
And the encryption data packet for the target data for carrying signature is sent to the request of data node；
The request of data node, for the public key using the data publication node to the label of the encryption data packet of target data
Name is verified, and after being verified, is carried out to the encryption data packet of target data using the private key of the request of data node
Decryption, obtains target data.
9. system according to claim 8, which is characterized in that the system also includes：
Synchronization module is identified, for the system level mark in publicly-owned chain to be backuped to local, and the system in alliance's chain is every
The multistage mark of a node backups to local.
10. system according to claim 8, which is characterized in that
The identification (RNC-ID) analytic module is additionally operable to judge that the local target data that whether is stored with corresponds to according to target data mark
Data publication address of node；
If so, sending the corresponding data publication address of node of target data to the request of data node；
The request of data message is sent to according to target data mark if it is not, triggering executes the identification (RNC-ID) analytic module
Data publication node.
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