CN108922012A - The invoice checking method of raw information is not revealed based on block chain technology - Google Patents
The invoice checking method of raw information is not revealed based on block chain technology Download PDFInfo
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- CN108922012A CN108922012A CN201810757523.9A CN201810757523A CN108922012A CN 108922012 A CN108922012 A CN 108922012A CN 201810757523 A CN201810757523 A CN 201810757523A CN 108922012 A CN108922012 A CN 108922012A
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- characteristic value
- unique address
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/004—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using digital security elements, e.g. information coded on a magnetic thread or strip
- G07D7/0047—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using digital security elements, e.g. information coded on a magnetic thread or strip using checkcodes, e.g. coded numbers derived from serial number and denomination
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/20—Testing patterns thereon
- G07D7/202—Testing patterns thereon using pattern matching
- G07D7/206—Matching template patterns
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Computer Security & Cryptography (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
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Abstract
The application provides a kind of invoice checking method for not revealing raw information based on block chain technology, and step includes:S1 defines invoice template, establishes invoice template library；Invoice is carried out invoice data templating according to corresponding invoice template by S2；The invoice characteristic of S3 calculation template；S4 invoice information cochain；S5 verifies invoice information.By the present invention in that being inquired with the public information in block chain, to verify the true and false of invoice, the line verification inquiry of invoice content is realized.And invoice can be inquired and cancel, rush the relevant operations such as red.It is able to verify that the entire change histories an of invoice.
Description
Technical field
The present invention relates to field of computer technology and property tax invoice field, and in particular to one kind is not let out based on block chain technology
Reveal the invoice checking method of raw information.
Background technique
Invoice is entity and individual in purchasing and selling commodities, offer or receives to issue, take in service and other business activities
The bank settlement voucher obtained.In the economic development in China, a kind of voucher of the invoice as economy is that enterprises and individuals' economy is living
Indispensable part in dynamic.Again because the economic performance of invoice, some lawbreakers make and sell false invoice for economic interests.
In the financial accounting of enterprise, unit is kept accounts with invoice and charges to cost, determines profit with this.If what is received is false invoice
Tax office carries out that the departmental cost expense will be rejected when tax payment evaluation or inspection, and enterprise is caused to pay an overdue tax.And it can be according to specific
Situation catchs a packet.Even if not being false invoice, if encounter draw a bill by enterprise rush it is red when, drawing a bill can also lose
Go its effect.So requiring the true and false of examination invoice in many scenes.Invoice inquiry refers to through invoice codes, invoice number
The necessary invoice informations such as code, date of making out an invoice determine that invoice whether there is and the method for true from false of bills.
Currently, China's invoice carries out each province possession principle, each province's invoice checks website dispersion, and classification item is different, defeated
Enter, output interface is inconsistent and fishing fraudulent website emerges one after another.If the relevant content of invoice can be inquired directly, can make
At enterprise or the leakage of private information of unit, the relevant leakage of data of national property tax will also result in.So current invoice is checked
The methods of website, generally requires the various key messages of input invoice, and require installation website certificate.Such as State General Taxation Administration
Invoice checks https://inv-veri.chinatax.gov.cn/.
The block chain technology generated since 2008, is also referred to as distributed account book technology, is a kind of interconnection netting index
According to library technology, its main feature is that it is decentralization, open and clear, allow everyone to each may participate in data-base recording and inquiry.It is solving to believe
In terms of ceasing authenticity, information query aspects have certain advantage.Using the relevant technology of block chain, if it is possible to solve invoice
Privacy problem, it will there is preferable very practical value in terms of invoice examination.
Summary of the invention
The object of the invention is to inconvenient to use in order to make up existing inquiring technology, and privacy of user aspect can be revealed
Information the disadvantages of, provide it is a kind of solves the problems, such as examination using block chain technology, and protect the method for checking information privacy.It should
Method can be used for private chain, alliance's chain, and public chain needs to control the mechanism of data cochain for different types of chain.No matter using
Which kind of block chain technology will not reveal the real information of invoice, and user of service can easily be allowed quickly to check invoice letter
The true and false of breath.This approach includes the following steps：
S1, invoice template is defined, establishes invoice template library；Invoice template according to the different formats and version definition of invoice not
Same invoice template, the corresponding template identification of each invoice template, each invoice template at least need to include unique identification mark
Will, invoice content and invoice diacritics field：
Unique identification mark is the unique designation of every invoice, is combined and constituted by invoice codes and invoice number；
Invoice content：Including at least date of making out an invoice, check code, purchaser's title, seller title and invoice amount；
Invoice diacritics：For distinguishing invoice property；
S2, invoice is subjected to invoice data templating according to corresponding invoice template；
S3, according to Templated invoice data, use the first Encryption Algorithm raw unique identification mark in invoice template
At invoice unique address, invoice characteristic value is generated using the second Encryption Algorithm to the invoice content in invoice template；
S4, by invoice unique address, template identification, invoice diacritics, current time, invoice characteristic value and it is associated with invoice
Unique address is packaged as invoice uplink communications, and invoice uplink communications are written to block chain；Wherein：Current time is to be packaged invoice
The time of uplink communications；
Association invoice unique address is the invoice unique address with the invoice associated invoice, by using association invoice
Unique address is by relevant invoice informational linkage to together；
S5, invoice information is verified；
Invoice data templating is carried out using the invoice template in the invoice template library to the invoice that needs are verified, is used
First Encryption Algorithm calculates invoice unique address；The invoice information on public chain is retrieved by invoice unique address, if do not had
It retrieves, prompts the non-cochain of invoice information；Add when retrieving invoice unique address, then to the invoice that needs are verified using second
Close algorithm calculates invoice characteristic value, the invoice characteristic value calculated and the invoice characteristic value saved on chain is compared, such as
Fruit is identical, thinks that invoice information is effective, thinks that invoice information is invalid if not identical.
Preferably, in step s 2：First Encryption Algorithm is double SHA256 hash algorithms；Second Encryption Algorithm is SHA256
Hash algorithm.
Preferably, in step 3：Invoice unique address is invoice Hash Round Robin data partition, association invoice unique address is association hair
Ticket Hash Round Robin data partition；Invoice property is divided into blue word invoice, credit note and voided check.
Preferably, in step s3,：The invoice diacritics of blue word invoice are set as 0001, the association hair of blue word invoice
Ticket Hash Round Robin data partition is 0, is not contacted with the generation of other invoices.The invoice diacritics of credit note are set as -0002, are associated with invoice
Hash Round Robin data partition is the Hash Round Robin data partition that red blue word invoice is rushed for it.The invoice diacritics of voided check are set as -0001, cancel
Invoice is associated with invoice Hash Round Robin data partition as the Hash Round Robin data partition of its blue word invoice cancelled.
Preferably, the format of invoice includes at least VAT invoice in step sl, motor vehicle sells uniform invoice,
Carrying trade VAT invoice, value-added tax electronics common invoice, value-added tax common invoice, increases value-added tax common invoice
It is worth tax electronics common invoice and used car sells uniform invoice.
Preferably, it is characterised in that multidimensional characteristic value can store the hair of each dimension using Merkel tree in step S2
Ticket characteristic value.
By the present invention in that being inquired with the public information in block chain, to verify the true and false of invoice, invoice content is realized
Line verification inquiry.And invoice can be inquired and cancel, rush the relevant operations such as red.It is able to verify that the entire variation an of invoice is gone through
History.These public informations will not expose the various sensitive informations in invoice simultaneously, not will cause the correlation of supply and marketing both sides in invoice
Information will not reveal the revenue data of country.
Detailed description of the invention
Fig. 1 is template definition schematic diagram of the invention；
Fig. 2 is that invoice information of the invention is converted into invoice characteristic value process schematic；
Fig. 3 is the specific example figure that blue word invoice information of the invention is converted into invoice characteristic value process；
Fig. 4 is the cochain flow chart of invoice characteristic of the invention；
Fig. 5 is that invoice of the invention checks flow chart.
Specific embodiment
Illustrate embodiment of the present invention with reference to the accompanying drawings, but the present invention is not limited to this.Illustrate below
Embodiment structural element can suitablely when combination.In addition, there is also do not use a part of structural element.
S1, invoice template is defined, establishes invoice template library.
Purpose by using invoice template is the data standard that specification extracts invoice characteristic value, by using different moulds
Plate is compatible with the invoice informations of various formats.Invoice template is carried out generally according to the two dimensions of the different formats and version of invoice
Definition.Template that generally can be different according to the format different definition of invoice, such as：VAT invoice, motor vehicle sale
Uniform invoice, carrying trade VAT invoice, value-added tax common invoice, value-added tax electronics common invoice, value-added tax are general
Logical invoice (volume ticket), value-added tax electronics common invoice (pass cost), used car sale uniform invoice etc..For same format invoice
The different times version of type also defines different invoice templates.Each invoice template corresponds to a template identification to be used to
Identify invoice template.The template identification of invoice template is made of invoice format and invoice version in the application, such as value-added tax is general
2005 editions invoice templates of logical invoice, invoice mark are defined as 1000.2005；The first edition invoice mould of value-added tax electronic invoice
Plate, invoice mark are defined as 2000.0000.Template identification is usually formulated by the mechanism for data cochain of having the right jointly, is invoice mould
The unique identification of plate.
Shown in Fig. 1, in the present invention when can be according to the different format of invoice and the difference of the same format invoice file
Phase version establishes invoice template.The reference axis of Fig. 1 respectively represents the mark that template is distinguished from both direction, and first direction is
Different layout files, second direction are same format, different editions.Such as from format come distinguished VAT invoice,
Motor vehicle sale uniform invoice, carrying trade VAT invoice, value-added tax common invoice, value-added tax electronics are commonly sent out
The invoices point such as ticket, value-added tax common invoice (volume ticket), value-added tax electronics common invoice (pass cost), used car sale uniform invoice
Class.Distinguish that classify including each invoice include the first edition, the versions such as 2015 editions again from version.Fig. 1 is only exemplary, version
It is can have multiple versions, it is not limited to two.
Each invoice template at least needs to include three unique identification mark, invoice content and invoice diacritics fields：
Unique identification mark：It is the unique designation of every invoice, generally adds invoice number to constitute by invoice codes；
Invoice content：Generally at least by date of making out an invoice, check code, purchaser's title, seller title, invoice amount group
At；
Invoice diacritics：For distinguishing invoice property, invoice property is generally divided into blue word invoice, credit note and calcellation
Invoice.
S2, invoice data is subjected to invoice data templating according to corresponding invoice template；
According to the format and version of invoice, corresponding invoice template is selected, is uniquely known from being obtained in invoice in invoice template
Not Biao Zhi, invoice content and invoice diacritics；
The invoice characteristic value of S3, calculation template.
Invoice characteristic value can be one-dimensional characteristic value, be also possible to multidimensional characteristic value.Multidimensional characteristic value can expose more
Invoice raw information can be directed to the authentication information requirement to be done, to determine the dimension for the invoice characteristic value to be saved.
Multidimensional characteristic value can store the invoice characteristic value of each dimension using Merkel tree.
According to Templated invoice data, hair is generated using the first Encryption Algorithm to the unique identification mark in invoice template
Ticket unique address, and the invoice content in invoice template is generated into invoice characteristic value using the second Encryption Algorithm.Generate invoice only
First Encryption Algorithm of one address and the second Encryption Algorithm for generating invoice characteristic value can be identical, be also possible to difference
's.First Encryption Algorithm and the preferred hash algorithm of the second Encryption Algorithm.
Shown in Fig. 2, the first Encryption Algorithm is calculated using double SHA256 Encryption Algorithm, the second Encryption Algorithm using SHA256 encryption
Method extracts the initial data in invoice according to invoice template.According to unique identification mark, i.e. invoice codes add invoice number
Code generates invoice unique address using double SHA256 Encryption Algorithm, i.e. SHA256 (SHA256 (unique identification mark)) generates hair
Ticket unique address, due to using hash algorithm, also referred to as invoice Hash Round Robin data partition.Using SHA256 Encryption Algorithm by invoice
Invoice content in template generates invoice characteristic value.Invoice content, generally by date of making out an invoice, check code, purchaser's title, sale
Square title, invoice amount composition.
S4, invoice information cochain；
Invoice uplink communications include invoice unique address, template identification, invoice diacritics, current time, invoice spy
Value indicative be associated with invoice unique address, by invoice uplink communications carry out data uplink operation.Current time is according to data structure
It is required that being packaged the time of invoice uplink communications；Association invoice unique address is that the invoice of invoice associated with the invoice is unique
Address, by using association invoice unique address by relevant invoice informational linkage to together.
Hash Encryption Algorithm is used in the present embodiment, therefore invoice unique address is invoice Hash Round Robin data partition, association invoice
Unique address is association invoice Hash Round Robin data partition, and invoice diacritics are divided into blue word invoice, credit note and work according to invoice property
Useless invoice.
The cochain of S41, blue word invoice information
Blue word invoice calculates invoice Hash Round Robin data partition by unique identification mark, and by invoice Hash Round Robin data partition, Template Information,
Invoice diacritics, current date, invoice characteristic value carry out data uplink operation with invoice Hash Round Robin data partition is associated with.Wherein blue word hair
The invoice diacritics of ticket are set as 0001, and the association invoice Hash Round Robin data partition of blue word invoice is 0, do not generate connection with other invoices
System.
The cochain of the information of S42, credit note
Credit note calculates invoice Hash Round Robin data partition by unique identification mark, and by invoice Hash Round Robin data partition, Template Information,
Invoice diacritics, current date, invoice characteristic value carry out data uplink operation with invoice Hash Round Robin data partition is associated with.Wherein, The Scarlet Letter
The invoice diacritics of invoice are set as -0002, and association invoice Hash Round Robin data partition is the Hash Round Robin data partition that red blue word invoice is rushed for it.
The cochain of S43, voided check information
If blue word invoice information cochain, but would need the calcellation that will draw a bill.Voided check passes through unique identification mark
Will calculates invoice Hash Round Robin data partition, and by invoice Hash Round Robin data partition, Template Information, invoice diacritics, current date, invoice feature
Value carries out data uplink operation with invoice Hash Round Robin data partition is associated with.The invoice diacritics of voided check are -0001, voided check
Invoice Hash Round Robin data partition is associated with as the Hash Round Robin data partition of its blue word invoice cancelled.
Fig. 4 is the specific example figure that a blue word invoice information is converted into invoice characteristic value process, includes invoice
The value of specific value and uplink data in template.
S5, invoice information is verified；
The application only verifies invoice information, to the identification work of invoice true and false itself also using mentioning in traditional approach
The invoice information anti-counterfeit measures of confession, such as：Angular color change annulus fiber, papermaking anti-counterfeiting line, anti-forgery ink color are wiped variable, dedicated
Special-shaped number, composite information are anti-fake.
The invoice use verify to needs and identical template in step S1 carry out invoice data templating to invoice, adopt
Invoice unique address is calculated with the first Encryption Algorithm；The relevant information above public chain is retrieved by invoice unique address, if
It does not retrieve, prompts the non-cochain of invoice information；When retrieving invoice unique address, then to the invoice verified of needs using the
Two Encryption Algorithm calculate invoice characteristic value, and the invoice characteristic value saved on the invoice characteristic value calculated and chain is done pair
Than if the same thinking that invoice information is effective, thinking that invoice information is invalid if not identical.
By invoice unique address be associated with invoice unique address, can retrieve correlation associated by an invoice hair
Ticket.Such as blue word invoice relevant to credit note can be also retrieved according to association invoice unique address.
It is hash algorithm that Fig. 5, which is the first Encryption Algorithm, when invoice unique address is invoice Hash Round Robin data partition, to invoice information into
The flow chart of row verifying.
The present invention is also applied to the relevant certificate inquiry such as academic inquiry, voucher inquiry, authentication challenge field.It can be with
Very good solution information checks the true and false, with the scene for preventing the demands such as information leakage.If necessary to whether just detect multiple numerical value
Really, the storage of multidimensional invoice eigenvalue structure and inspection data can be used.
Finally it should be noted that：Above-described embodiments are merely to illustrate the technical scheme, rather than to it
Limitation；Although the present invention is described in detail referring to the foregoing embodiments, those skilled in the art should understand that：
It can still modify to technical solution documented by previous embodiment, or to part of or all technical features into
Row equivalent replacement；And these modifications or substitutions, it does not separate the essence of the corresponding technical solution various embodiments of the present invention technical side
The range of case.
Claims (6)
1. a kind of invoice checking method for not revealing raw information based on block chain technology, which is characterized in that specific step is as follows:
S1, invoice template is defined, establishes invoice template library；Invoice template is different with version definition according to the different formats of invoice
Invoice template, the corresponding template identification of each invoice template, each invoice template at least need to include unique identification mark, hair
Ticket content and invoice diacritics field：
Unique identification mark is the unique designation of every invoice；
Invoice content：Including at least date of making out an invoice, check code, purchaser's title, seller title and invoice amount；
Invoice diacritics：For distinguishing invoice property；
S2, invoice is subjected to invoice data templating according to corresponding invoice template；
S3, according to Templated invoice data, hair is generated using the first Encryption Algorithm to the unique identification mark in invoice template
Ticket unique address generates invoice characteristic value using the second Encryption Algorithm to the invoice content in invoice template；
S4, by invoice unique address, template identification, invoice diacritics, current time, invoice characteristic value and to be associated with invoice unique
Address is packaged as invoice uplink communications, and invoice uplink communications are written to block chain；Wherein：Current time is to be packaged on invoice
The time of chain information；
Association invoice unique address is the invoice unique address with the invoice associated invoice, unique by using association invoice
Address is by relevant invoice informational linkage to together；
S5, invoice information is verified；
Invoice data templating is carried out using the invoice template in the invoice template library to the invoice that needs are verified, using first
Encryption Algorithm calculates invoice unique address；The invoice information on public chain is retrieved by invoice unique address, if do not retrieved
It arrives, prompts the non-cochain of invoice information；It is calculated when retrieving invoice unique address, then to invoice content using the second Encryption Algorithm
The invoice characteristic value calculated and the invoice characteristic value saved on chain are compared, are if the same thought by invoice characteristic value
Invoice information is effective, thinks that invoice information is invalid if not identical.
2. the invoice checking method according to claim 1 for not revealed raw information based on block chain technology, feature are existed
In in step S2：
First Encryption Algorithm is double SHA256 hash algorithms；Second Encryption Algorithm is SHA256 hash algorithm.
3. the invoice checking method according to claim 2 for not revealed raw information based on block chain technology, feature are existed
In in step 3：
Invoice unique address is invoice Hash Round Robin data partition, association invoice unique address is association invoice Hash Round Robin data partition；
Invoice property is divided into blue word invoice, credit note and voided check.
4. the invoice checking method according to claim 3 for not revealed raw information based on block chain technology, feature are existed
In, in step S3,：
The invoice diacritics of blue word invoice are set as 0001, and the association invoice Hash Round Robin data partition of blue word invoice is 0, do not send out with other
Ticket generates connection；
The invoice diacritics of credit note are set as -0002, and association invoice Hash Round Robin data partition is that red blue word invoice is rushed for it
Hash Round Robin data partition；
The invoice diacritics of voided check are set as -0001, the indigo plant that the association invoice Hash Round Robin data partition of voided check cancels for it
The Hash Round Robin data partition of word invoice.
5. the invoice checking method according to claim 1 for not revealed raw information based on block chain technology, feature are existed
In in step S1：
It is dedicated that the format of invoice includes at least VAT invoice, motor vehicle sale uniform invoice, carrying trade value-added tax
Invoice, value-added tax common invoice, value-added tax electronics common invoice, value-added tax common invoice, value-added tax electronics common invoice and two
Handcart sells uniform invoice.
6. the invoice checking method according to claim 1 for not revealed raw information based on block chain technology, feature are existed
In in step S2：
The invoice characteristic value is one-dimensional characteristic value or multidimensional characteristic value；The multidimensional characteristic value can using Merkel tree come
Store the invoice characteristic value of each dimension.
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| CN201810757523.9A CN108922012B (en) | 2018-07-11 | 2018-07-11 | Invoice checking method without leakage of original information based on block chain technology |
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| CN201810757523.9A CN108922012B (en) | 2018-07-11 | 2018-07-11 | Invoice checking method without leakage of original information based on block chain technology |
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