CN109359485A - Invoice data shared system and method based on block chain - Google Patents
Invoice data shared system and method based on block chain Download PDFInfo
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Abstract
This application involves a kind of invoice data shared systems and method based on block chain.The system includes: multiple node devices and the first verifying node device, wherein: and the corresponding first node equipment of seller enterprise and second node equipment corresponding with purchaser enterprise generate seller invoice data storage request and buyer invoice data storage request according to respective private key and invoice data to be stored respectively, and are sent to the first verifying node device；After first verifying node device obtains seller invoice data storage request and buyer invoice request of data, request is stored to seller invoice data respectively according to corresponding public key and buyer invoice data storage request is decrypted, obtain the first invoice data and the second invoice data, when the first invoice data and the second invoice data match, block data is generated according to the first invoice data or the second invoice data, and block data is written in block chain.The application is based on block chain technology and realizes that invoice data is shared.
Description
Technical field
This application involves block chain technical field, more particularly to it is a kind of based on the invoice data shared system of block chain with
And method.
Background technique
Currently, invoice data is uniformly stored in third-party institution's server, such as the database of the tax bureau works as credit
When mechanism authenticated to the invoice data of enterprise, confirm business standing, credit agency needs by the third party tax bureau
Authorization obtain true and reliable invoice data, be just achieved credit process.With being continuously increased for invoice data, to third
The performance requirement of square authority server is higher, and due to the insecurity factor of third-party institution's server, cause invoice data to hold
It is subject to distort, it is difficult to ensure safety, authenticity and the reliability of invoice data.
Summary of the invention
Based on this, it is necessary to for above-mentioned invoice data be uniformly to be stored in third-party institution's server, it is difficult to ensure hair
The technical issues of safety of ticket data, authenticity and reliability, provides a kind of shared system of the invoice data based on block chain
System and method.
A kind of invoice data shared system based on block chain, the invoice data shared system include and seller enterprise
Corresponding first node equipment, second node equipment corresponding with purchaser enterprise and the first verifying node device, in which:
The first node equipment, for according to the private key of the first node equipment and invoice data to be stored generation
Seller invoice data storage request, and seller invoice data storage request is sent to the first verifying node device；
The second node equipment, for according to the private key of the second node equipment and invoice data to be stored generation
Buyer invoice data storage request, and the buyer invoice data storage request is sent to the first verifying node device；
The first verifying node device, for obtaining the seller invoice data storage request and the buyer invoice
Request of data；Seller invoice data storage request is decrypted according to the public key of the first node equipment and obtains the first invoice
Data are decrypted buyer invoice data storage request according to the public key of the second node equipment and obtain the second invoice number
According to；When first invoice data and second invoice data match, according to first invoice data or described the
Two invoice datas generate block data, and the block data is written in block chain.
The first verifying node device is used in one of the embodiments:
Obtain the first identifier information of the first node equipment and the second identifier information of the second node equipment；
The identification information of block data is generated according to the first identifier information and the second identifier information；
Header information is generated according to the identification information and the identification information of a upper block data, is tested according to described first
The private key for demonstrate,proving node device carries out encryption generation area block information to first invoice data or second invoice data；
The block data is generated according to the header information and the block body information.
The invoice data shared system based on block chain further includes that the second verifying node is set in one of the embodiments,
It is standby；
The first verifying node device is used for according to the first identifier information, the second identifier information and described
The private key of first verifying node device generates the corresponding signing messages of the block data, and the signing messages is sent to institute
It states in the second verifying node device；
The second verifying node device carries out signature authentication to the signing messages for obtaining the signing messages；
When the second verifying node device passes through the signature authentication of the signing messages, the first verifying node
The block data is written in block chain by equipment.
The invoice data shared system based on block chain further includes third node device in one of the embodiments,；
The third node device is for sending inquiry request to the first node equipment and the first verifying section
Point device；
The first node equipment is also used to get the inquiry request, sends inquiry response according to the inquiry request
It requests to the first verifying node device, wherein the inquiry response request includes the first mark of the first node equipment
Know information；
The first verifying node device is also used to obtain the inquiry request and inquiry response request, according to institute
It states inquiry request and inquiry response request sends the public key and the first identifier that described first verifies node device
Information is to the third node device；
The third node device is searched in block chain and the first node equipment according to the first identifier information
Relevant block data, and the block body information of block data is solved according to the public key of the first verifying node device
It is close, obtain invoice data relevant to the first node equipment.
A kind of invoice data sharing method based on block chain, Ying Yu based in the invoice data shared system of block chain,
The described method includes:
Receive the seller invoice data storage request that first node equipment is sent and the buyer that second node equipment is sent
Invoice data storage request；Wherein, the seller invoice data storage request is by the first node equipment according to described first
The private key of node device and invoice data to be stored generate；The buyer invoice data storage request is set by the second node
It is standby to be generated according to the private key of the second node equipment and invoice data to be stored；
Seller invoice data storage request is decrypted according to the public key of the first node equipment and obtains the first invoice
Data are decrypted buyer invoice data storage request according to the public key of the second node equipment and obtain the second invoice number
According to；
If first invoice data matches with second invoice data, according to first invoice data or institute
It states the second invoice data and generates block data, and the block data is written in block chain.
The block data includes header information and block body information in one of the embodiments,；
Described the step of block data is generated according to first invoice data or second invoice data, comprising:
Obtain the first identifier information of the first node equipment and the second identifier information of the second node equipment；
The identification information of block data is generated according to the first identifier information and the second identifier information；
Header information is generated according to the identification information and the identification information of a upper block data, is tested according to described first
The private key for demonstrate,proving node device carries out encryption generation area block information to first invoice data or second invoice data；
The block data is generated according to the header information and the block body information.
In one of the embodiments, before the step block data being written in block chain, comprising:
Private key according to the first identifier information, the second identifier information and the first verifying node device is raw
At the corresponding signing messages of the block data；
The step block data being written in block chain, comprising:
The signing messages is sent to the second verifying node device, wherein the signing messages is used to indicate described
Two verifying node devices carry out signature authentication to the signing messages；
If signature authentication passes through, the block data is written in block chain.
In one of the embodiments, the method also includes:
Obtain the inquiry request that third node device is sent and the inquiry response that the first verifying node device is sent
Request；Wherein, the inquiry response request includes the first identifier information of the first verifying node device；
According to the inquiry request and the inquiry response request send it is described first verifying node device public key with
And the first identifier information is to the third node device；The first identifier information is used to indicate the third node device
Search relevant to first node equipment block data, the described first public key for verifying node device is used to indicate described the
The block body information of block data is decrypted in three node devices, obtains invoice number relevant to the first node equipment
According to.
Above-mentioned invoice data shared system, method based on block chain, passes through the node device and pin of purchaser enterprise
The node device of seller initiates buyer invoice data storage request and seller invoice according to same invoice data to be stored respectively
Data storage request is sold, the invoice data in buyer invoice data storage request is in the matching by the first verifying node device
After verifying, the first verifying node device generates block data according to invoice data to be stored and stores into block chain, realizes and divides
Cloth is recorded, and each enterprise corresponds to a node in block chain, and shared account book is realized between node, effectively avoids invoice data
It is tampered, improves safety, authenticity and the reliability of invoice data.
Detailed description of the invention
Fig. 1 is the application scenario diagram of the invoice data shared system based on block chain in one embodiment；
Fig. 2 is the structural block diagram of the invoice data shared system based on block chain in one embodiment；
Fig. 3 is the structural block diagram of the invoice data shared system based on block chain in another embodiment；
Fig. 4 is the flow diagram of the invoice data sharing method based on block chain in another embodiment；
Fig. 5 is the internal structure chart of computer equipment in one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
It should be noted that term involved in the embodiment of the present invention " first/second/third " be only distinguish it is similar
Object does not represent the particular sorted for object, it is possible to understand that ground, " first/second/third " can be mutual in the case where permission
Specific sequence or precedence are changed, so that the embodiment of the present invention described herein can be in addition to illustrating herein or describing
Those of other than sequence implement.For example, term involved in the embodiment of the present invention " first node equipment ", " second node is set
It is standby " and " third node device " be used only for different node device in difference block chain.
Invoice data shared system provided by the present application based on block chain can be applied to application ring as shown in Figure 1
In border.Wherein, each enterprise UE terminal 102 passes through network with node device 104 corresponding in block catenary system by network
It is communicated, further includes verifying node device 106 in block catenary system, node device 104 and verifying node device 106 exist respectively
The copy of block chain is locally stored, distributed storage is realized in decentralization between multiple node devices.
Specifically, the invoice data generated after trading between different enterprises, seller enterprise UE terminal 102a and pin
Invoice data to be stored is sent to corresponding node device 104, seller enterprise respectively by seller's enterprise UE terminal 102b
The corresponding node device 104a of industry generates seller invoice data storage request according to invoice data, by issuing to block chain network
The mode of " transaction " (Transaction), which is realized to block chain, is written invoice data, meanwhile, the corresponding node of purchaser enterprise is set
Standby 104b generates buyer invoice data storage request according to invoice data, real by way of issuing " transaction " to block chain network
Invoice data now is written to block chain, wherein include the identification information of enterprise customer in invoice data storage request, to prove to look forward to
The identity of industry user；Seller invoice data storage request and buyer invoice data storage request are verified node device 106 and test
After card passes through and receives, invoice data is recorded into the new block of generation by verifying node device 106, is then published to block link network
Invoice data is stored in block chain by network, realization.Wherein, verifying node device 106, which can be, executes common recognition competition mechanism
Block chain node device；Enterprise UE terminal 102 can be, but not limited to be various personal computers, laptop, plate electricity
The equipment such as brain, node device 104 and verifying node device 106 can be formed with the either multiple servers of independent server
Server cluster realize.
Block chain in the embodiment of the present application can be alliance's block chain, i.e., is not that any one terminal all has to the block
Chain carries out the permission of data read operation, storage operation, and only has specified terminal just to have and carry out data reading to the block chain
It takes, the operating right of data storage, guarantees that data storage is the true of Information Security in the block chain and data with this
Property.
In one embodiment, described as shown in Fig. 2, providing a kind of invoice data shared system based on block chain
Invoice data shared system includes and the corresponding first node equipment 201 of seller enterprise, corresponding with purchaser enterprise second
Node device 202 and the first verifying node device 203, in which:
First node equipment 201, for generating the seller according to the private key of first node equipment and invoice data to be stored
Invoice data storage request, and seller invoice data storage request is sent to the first verifying node device 203；
Second node equipment 202, for generating buyer according to the private key of second node equipment and invoice data to be stored
Invoice data storage request, and buyer invoice data storage request is sent to the first verifying node device 203；
First verifying node device 203, for obtaining seller invoice data storage request and buyer invoice request of data；
Seller invoice data storage request is decrypted according to the public key of first node equipment 201 and obtains the first invoice data, according to
The public key of second node equipment 201 is decrypted buyer invoice data storage request and obtains the second invoice data；When the first hair
When ticket data and the second invoice data match, block data is generated according to the first invoice data or the second invoice data, and will
Block data is written in block chain.
The invoice data shared system based on block chain provided in the present embodiment has multiple node devices, in Fig. 2 only
It shows in this invoice data, and the corresponding first node equipment 201 of seller enterprise, the second section corresponding with purchaser enterprise
Point device.Invoice data to be stored is generated after the completion of transaction between seller enterprise and purchaser enterprise, seller enterprise is corresponding
First node equipment 201 is somebody's turn to do invoice data to be stored according to the key pair of itself and is encrypted, and seller invoice data storage is generated
Request, and seller invoice data storage request is broadcasted to the first verifying node device 203 by block chain network, likewise,
The corresponding second node equipment 202 of purchaser enterprise is encrypted according to the key pair invoice data to be stored of itself, and generation is bought
Square invoice data storage request, and seller invoice data storage request is broadcasted by block chain network and is set to the first verifying node
Standby 203；First verifying node device 203, which receives, to be sold, after buyer invoice data storage request, according to first node equipment 201
Public key and second node equipment 201 public key respectively to seller invoice data store request and buyer invoice request of data
It is decrypted, obtains the first invoice data and the second invoice data, match in the first invoice data and the second invoice data
When, the first verifying node device 203 generates block data according to the first invoice data or the second invoice data, and by block data
It is written in block chain, invoice data to be stored is saved in block chain by realization.
Specifically, invoice data generally includes invoice type, invoice codes, purchaser's company information, seller enterprise letter
Multiple data fields such as breath, Amount in Total；First invoice data matches when matching with the second invoice data can refer to first
Each data field in invoice data is equal to each other with each data field in the second invoice data.By to first node
The invoice data that equipment 201 and second node equipment 202 issue is verified, and the invoice data of write-in block chain is effectively avoided
It malfunctions and prevents the false invoice data of personal forgery, improve the validity and reliability of invoice data in block chain.
The above-mentioned invoice data shared system based on block chain passes through the node device of purchaser enterprise and seller
Node device initiates buyer invoice data storage request according to same invoice data to be stored respectively and seller invoice data is deposited
Storage request, seller invoice data store the invoice data in request and buyer invoice data storage request by the first verifying
After the matching verifying of node device, the first verifying node device generates block data according to invoice data to be stored and stores to area
In block chain, distributed record is realized, each enterprise corresponds to a node in block chain, shared account book is realized between node, is had
Effect avoids invoice data from being tampered, and improves safety, authenticity and the reliability of invoice data.
In one embodiment, the first verifying node device 203 is used to obtain the first identifier information of first node equipment
And the second identifier information of second node equipment；Block data is generated according to first identifier information and second identifier information
Identification information；Header information is generated according to identification information and the identification information of a upper block data, according to the first verifying node
The private key of equipment carries out encryption generation area block information to the first invoice data or the second invoice data；According to header information and
Block body information generates block data.
In the present embodiment, identification information is the unique identification number for being used to indicate corresponding node equipment, can be the node
Public key, IP address, duty paragraph of corresponding enterprise of equipment etc..Block data generally includes header information and block body information；Head
The identification information of identification information and a upper block in portion's information including this block data, so that multiple block datas form chain
Item constitutes block chain；Wherein, identification information is to be marked by the first verifying node device 203 according to first identifier information and second
Know what information generated, in subsequent progress invoice data inquiry, the node device for initiating inquiry request can be according to enterprise to be checked
The identification information of the corresponding node device of industry, search block chain in each block data header data, thus obtain with it is to be checked
The corresponding invoice data of enterprise is ask, the process of inquiry invoice data can be effectively simplified, saves the communication resource；And block body information
Storage invoice data is treated according to the private key of itself by the first verifying node device 203 and carries out encryption generation, to invoice data
It is encrypted, although each node device on block chain can read encryption invoice data, can not know tool
The invoice data content of body, avoids the leakage of invoice data.
In one embodiment, it as shown in figure 3, providing a kind of invoice data shared system based on block chain, is based on
The invoice data shared system of block chain further includes the second verifying node device 204；First verifying node device 203 is used for basis
The private key of first identifier information, second identifier information and the first verifying node device generates the corresponding A.L.S. of block data
Breath, and signing messages is sent in the second verifying node device 204；Second verifying node device 204 is for obtaining A.L.S.
Breath carries out signature authentication to signing messages；When the second verifying node device 204 passes through the signature authentication of signing messages, the
Block data is written in block chain by one verifying node device 203.
The present embodiment is realized before block data write-in block chain, verifies node device 204 to newly-generated by second
Block data carries out secondary verifying, recognizes by the way that the private key progress of identification information and the first verifying equipment to node device is secondary
Card realizes that the enterprise customer generated to invoice data, verifying equipment carry out authentication, avoids illegal node device generation area
Block number evidence is further ensured that the safety of block chain and invoice data.Specifically, the first verifying 203 seller of node device hair
Ticket data storage request and buyer invoice request of data generate block data when, according to the identification information of first node equipment,
The private key information of the identification information of second node equipment and the first verifying node device itself generates the A.L.S. of block data
Breath；After second verifying node device 204 of block chain receives the signing messages of block data, sign to the signing messages
Certification, if signature authentication passes through, block data is written in block chain with more new block by the first verifying node device 203
Chain.
In one embodiment, the invoice data shared system based on block chain further includes third node device；Third section
Point device is for sending inquiry request to first node equipment 201 and the first verifying node device 203；First node equipment
201 are also used to get inquiry request, send inquiry response according to inquiry request and request to the first verifying node device 203,
In, inquiry response request includes the first identifier information of first node equipment；First verifying node device 203, which is also used to obtain, to be looked into
Request and inquiry response request are ask, the first verifying node device 203 is sent according to inquiry request and inquiry response request
Public key and first identifier information are to third node device；Third node device is searched in block chain according to first identifier information
Block data relevant to first node equipment 201, and according to the public key of the first verifying node device 203 to the area of block data
Block information is decrypted, and obtains invoice data relevant to first node equipment 201.
The present embodiment realizes the process of third party enterprise or mechanism inquiry invoice data；Third party enterprise or mechanism look into
When asking the invoice data of a certain enterprise to be checked, the corresponding third node device of third party enterprise or mechanism passes through block link network
Network is requested to the corresponding node device broadcast query of the first verifying node device and enterprise to be checked；If enterprise to be checked is agreed to
Third party enterprise or mechanism obtain its invoice data, then node device sends inquiry response and ask after receiving inquiry request
It asks to the first verifying node device；After first verifying node device receives inquiry request and the request of corresponding inquiry response,
The identification information of the corresponding node device of public key and enterprise to be checked of itself is returned to third node device, third node is set
It is standby according to the identification information of first node equipment is searched in block chain with the identification information of each block data, acquisition with it is to be checked
The relevant block data of the corresponding node device of enterprise is ask, and is carried out according to block body information of the public key of acquisition to block data
Decryption obtains the relevant invoice data of corresponding to enterprise to be checked node device, that is, obtains the invoice data of enterprise to be checked.
Invoice data is stored according to block chain technology, realizes that each node can directly acquire invoice data in block chain, effectively simplify
The process of invoice data is obtained, saves the communication resource, while may insure the safety and traceability of invoice data.
In one embodiment, as shown in figure 4, a kind of invoice data sharing method based on block chain is provided, with this
Method Ying Yu is based on the first verifying node device in the invoice data shared system of block chain, comprising the following steps:
Step S310: the seller invoice data storage request and second node equipment hair that first node equipment is sent are received
The buyer invoice data storage request sent；Wherein, seller invoice data storage request is by first node equipment according to first node
The private key of equipment and invoice data to be stored generate；Buyer invoice data storage request is by second node equipment according to the second section
The private key of point device and invoice data to be stored generate；
Step S320: acquisition first is decrypted to seller invoice data storage request according to the public key of first node equipment
Invoice data is decrypted buyer invoice data storage request according to the public key of second node equipment and obtains the second invoice number
According to；
Step S330: if the first invoice data matches with the second invoice data, according to the first invoice data or second
Invoice data generates block data, and block data is written in block chain.
In the present embodiment, the first verifying node device receives seller invoice data storage request and buyer invoice data
After storage request, seller invoice data is stored respectively according to the public key of first node equipment and the public key of second node equipment
Request and buyer invoice request of data are decrypted, and the first invoice data and the second invoice data are obtained, described first
When invoice data and second invoice data match, the first verifying node device is according to first invoice data or described
Second invoice data generates block data, and the block data is written in block chain, and realization will invoice data be stored
It is saved in block chain.
Specifically, invoice data generally includes invoice type, invoice codes, purchaser's company information, seller enterprise letter
Multiple data fields such as breath, Amount in Total；First invoice data matches when matching with the second invoice data can refer to first
Each data field in invoice data is equal to each other with each data field in the second invoice data.By to first node
The invoice data that equipment and second node equipment issue is verified, effectively avoid the invoice data error of write-in block chain with
And the false invoice data of personal forgery is prevented, improve the validity and reliability of invoice data in block chain.
The above-mentioned invoice data sharing method based on block chain passes through the node device of purchaser enterprise and seller
Node device initiates buyer invoice data storage request according to same invoice data to be stored respectively and seller invoice data is deposited
Storage request, sell, the invoice data in buyer invoice data storage request by first verifying node device matching verifying after,
First verifying node device generates block data according to invoice data to be stored and stores into block chain, realizes distributed note
It carries, each enterprise corresponds to a node in block chain, and shared account book is realized between node, effectively invoice data is avoided to be usurped
Change, improves safety, authenticity and the reliability of invoice data.
In one embodiment, block data includes header information and block body information；According to the first invoice data or
Second invoice data generates the step of block data, comprising: obtains the first identifier information and the second section of first node equipment
The second identifier information of point device；The identification information of block data is generated according to first identifier information and second identifier information；
Header information is generated according to identification information and the identification information of a upper block data, according to the private key of the first verifying node device
It treats the first invoice data or the second invoice data carries out encryption generation area block information；Believed according to header information and block body
Breath generates block data.
In the present embodiment, identification information is the unique identification number for being used to indicate corresponding node equipment, can be the node
Public key, IP address, duty paragraph of corresponding enterprise of equipment etc..Block data generally includes header information and block body information；Head
The identification information of identification information and a upper block in portion's information including this block data, so that multiple block datas form chain
Item constitutes block chain；Wherein, identification information is to be believed by the first verifying node device according to first identifier information and second identifier
What breath generated, in subsequent progress invoice data inquiry, the node device for initiating inquiry request can be according to enterprise pair to be checked
The identification information for the node device answered searches the header data of each block data in block chain, to obtain and enterprise to be checked
The corresponding invoice data of industry can effectively simplify the process of inquiry invoice data, save the communication resource；And block body information is by
One verifying node device treats storage invoice data according to private key and carries out encryption generation, encrypts to invoice data, although
Each node device on block chain can read encryption invoice data, but can not know in specific invoice data
Hold, avoids the leakage of invoice data.
In one embodiment, block data is written to before the step in block chain, comprising: believed according to first identifier
The private key of breath, second identifier information and the first verifying node device generates the corresponding signing messages of block data；By block counts
According to the step being written in block chain, comprising: signing messages is sent to the second verifying node device, wherein signing messages is used
Node device is verified in instruction second, and signature authentication is carried out to signing messages；If signature authentication passes through, block data is written to
In block chain.
The present embodiment is realized before block data write-in block chain, verifies node device to newly-generated block by second
Data carry out secondary verifying, carry out re-authentication by the private key of identification information and the first verifying equipment to node device,
It realizes that the business account generated to invoice data, verifying equipment carry out authentication, illegal node device is avoided to generate block
Data are further ensured that the safety of block chain and invoice data.
In one embodiment, method further include: obtain the inquiry request and the first verifying that third node device is sent
The inquiry response request that node device is sent；Wherein, inquiry response request includes the first identifier letter of the first verifying node device
Breath；The public key and first identifier information for sending the first verifying node device according to inquiry request and inquiry response request are to the
Three node devices；First identifier information is used to indicate third node device and searches block data relevant to first node equipment,
The public key of first verifying node device is used to indicate third node device and the block body information of block data is decrypted, and obtains
Invoice data relevant to first node equipment.
The present embodiment realizes the process of third party enterprise or mechanism inquiry invoice data, is stored and is sent out according to block chain technology
Ticket data realizes that each node can directly acquire invoice data in block chain, effectively simplifies the process for obtaining invoice data, section
The about communication resource, while may insure the safety and traceability of invoice data.
It should be understood that although each step in the flow chart of Fig. 2 is successively shown according to the instruction of arrow, this
A little steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly state otherwise herein, these steps
It executes there is no the limitation of stringent sequence, these steps can execute in other order.Moreover, at least part in Fig. 2
Step may include that perhaps these sub-steps of multiple stages or stage are executed in synchronization to multiple sub-steps
It completes, but can execute at different times, the execution sequence in these sub-steps or stage, which is also not necessarily, successively to be carried out,
But it can be executed in turn or alternately at least part of the sub-step or stage of other steps or other steps.
In one embodiment, a kind of computer equipment is provided, which can be server, internal junction
Composition can be as shown in Figure 5.The computer equipment include by system bus connect processor, memory, network interface and
Database.Wherein, the processor of the computer equipment is for providing calculating and control ability.The memory packet of the computer equipment
Include non-volatile memory medium, built-in storage.The non-volatile memory medium is stored with operating system, computer program and data
Library.The built-in storage provides environment for the operation of operating system and computer program in non-volatile memory medium.The calculating
The database of machine equipment is used for memory block data.The network interface of the computer equipment is used to pass through network with external terminal
Connection communication.To realize a kind of invoice data sharing method side based on block chain when the computer program is executed by processor
Method.
It will be understood by those skilled in the art that structure shown in Fig. 5, only part relevant to application scheme is tied
The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme, specific computer equipment
It may include perhaps combining certain components or with different component layouts than more or fewer components as shown in the figure.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein,
To any reference of memory, storage, database or other media used in each embodiment provided herein,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (8)
1. a kind of invoice data shared system based on block chain, which is characterized in that the invoice data shared system include with
The corresponding first node equipment of seller enterprise, second node equipment corresponding with purchaser enterprise and the first verifying node are set
It is standby, in which:
The first node equipment, for generating the seller according to the private key of the first node equipment and invoice data to be stored
Invoice data storage request, and seller invoice data storage request is sent to the first verifying node device；
The second node equipment, for generating buyer according to the private key of the second node equipment and invoice data to be stored
Invoice data storage request, and the buyer invoice data storage request is sent to the first verifying node device；
The first verifying node device, for obtaining the seller invoice data storage request and the buyer invoice data
Request；Seller invoice data storage request is decrypted according to the public key of the first node equipment and obtains the first invoice number
According to, according to the public key of the second node equipment to buyer invoice data storage request be decrypted obtain the second invoice data；
When first invoice data and second invoice data match, according to first invoice data or described the
Two invoice datas generate block data, and the block data is written in block chain.
2. system according to claim 1, which is characterized in that the first verifying node device is used for:
Obtain the first identifier information of the first node equipment and the second identifier information of the second node equipment；
The identification information of block data is generated according to the first identifier information and the second identifier information；
Header information is generated according to the identification information and the identification information of a upper block data, is saved according to first verifying
The private key of point device carries out encryption generation area block information to first invoice data or second invoice data；
The block data is generated according to the header information and the block body information.
3. system according to claim 1, which is characterized in that further include the second verifying node device；
The first verifying node device is used for according to the first identifier information, the second identifier information and described first
The private key for verifying node device generates the corresponding signing messages of the block data, and the signing messages is sent to described the
In two verifying node devices；
The second verifying node device carries out signature authentication to the signing messages for obtaining the signing messages；
When the second verifying node device passes through the signature authentication of the signing messages, the first verifying node device
The block data is written in block chain.
4. system according to claim 2, which is characterized in that further include third node device；
The third node device is set for sending inquiry request to the first node equipment and the first verifying node
It is standby；
The first node equipment is also used to get the inquiry request, sends inquiry response request according to the inquiry request
To the first verifying node device, wherein the inquiry response request includes that the first identifier of the first node equipment is believed
Breath；
The first verifying node device is also used to obtain the inquiry request and inquiry response request, is looked into according to described
It askes request and inquiry response request sends the public key and the first identifier information that described first verifies node device
To the third node device；
The third node device is searched in block chain related to the first node equipment according to the first identifier information
Block data, and according to it is described first verifying node device public key the block body information of block data is decrypted, obtain
To invoice data relevant to the first node equipment.
5. a kind of invoice data sharing method based on block chain, which is characterized in that invoice data of the Ying Yu based on block chain is total
It enjoys in system, which comprises
Receive the seller invoice data storage request that first node equipment is sent and the buyer invoice that second node equipment is sent
Data storage request；Wherein, the seller invoice data storage request is by the first node equipment according to the first node
The private key of equipment and invoice data to be stored generate；The buyer invoice data storage request is by the second node equipment root
It is generated according to the private key of the second node equipment and invoice data to be stored；
Seller invoice data storage request is decrypted according to the public key of the first node equipment and obtains the first invoice data,
Buyer invoice data storage request is decrypted according to the public key of the second node equipment and obtains the second invoice data；
If first invoice data matches with second invoice data, according to first invoice data or described
Two invoice datas generate block data, and the block data is written in block chain.
6. according to the method described in claim 5, it is characterized in that, the block data includes header information and block body letter
Breath；
Described the step of block data is generated according to first invoice data or second invoice data, comprising:
Obtain the first identifier information of the first node equipment and the second identifier information of the second node equipment；
The identification information of block data is generated according to the first identifier information and the second identifier information；
Header information is generated according to the identification information and the identification information of a upper block data, is saved according to first verifying
The private key of point device carries out encryption generation area block information to first invoice data or second invoice data；
The block data is generated according to the header information and the block body information.
7. according to the method described in claim 6, it is characterized in that, the step block data being written in block chain
Before rapid, comprising:
Institute is generated according to the private key of the first identifier information, the second identifier information and the first verifying node device
State the corresponding signing messages of block data；
The step block data being written in block chain, comprising:
The signing messages is sent to the second verifying node device, wherein the signing messages is used to indicate described second and tests
It demonstrate,proves node device and signature authentication is carried out to the signing messages；
If signature authentication passes through, the block data is written in block chain.
8. according to the method described in claim 6, it is characterized in that, the method also includes:
Obtain the inquiry request that third node device is sent and the inquiry response request that the first verifying node device is sent；
Wherein, the inquiry response request includes the first identifier information of the first verifying node device；
Public key and the institute of the first verifying node device are sent according to the inquiry request and inquiry response request
First identifier information is stated to the third node device；The first identifier information is used to indicate the third node device and searches
The public key of block data relevant to the first node equipment, the first verifying node device is used to indicate the third section
The block body information of block data is decrypted in point device, obtains invoice data relevant to the first node equipment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811087272.4A CN109359485A (en) | 2018-09-18 | 2018-09-18 | Invoice data shared system and method based on block chain |
| PCT/CN2018/124901 WO2020057002A1 (en) | 2018-09-18 | 2018-12-28 | Invoice data sharing system and method based on blockchain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811087272.4A CN109359485A (en) | 2018-09-18 | 2018-09-18 | Invoice data shared system and method based on block chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109359485A true CN109359485A (en) | 2019-02-19 |
Family
ID=65351195
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811087272.4A Pending CN109359485A (en) | 2018-09-18 | 2018-09-18 | Invoice data shared system and method based on block chain |
Country Status (2)
| Country | Link |
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| CN (1) | CN109359485A (en) |
| WO (1) | WO2020057002A1 (en) |
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