CN111882410A - Tax information query method and system based on block chain - Google Patents
Tax information query method and system based on block chain Download PDFInfo
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- CN111882410A CN111882410A CN202010536932.3A CN202010536932A CN111882410A CN 111882410 A CN111882410 A CN 111882410A CN 202010536932 A CN202010536932 A CN 202010536932A CN 111882410 A CN111882410 A CN 111882410A
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/10—Tax strategies
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
Abstract
The invention discloses a method and a system for inquiring tax information based on a block chain, wherein the method comprises the steps that a tax payment user side initiates a tax payment information inquiry registration request so that a tax administration side generates a first private key according to the registration request; the tax payment user side encrypts financial and newspaper data to be input according to the stored first public key, places the encrypted data on a corresponding tax administration side address so that the tax administration side can decrypt the encrypted data according to the first private key, then verifies the decrypted data to generate tax information data corresponding to the tax payment user side, and places the encrypted tax information data on an inquiry address; and the tax payment user side inquires the encrypted tax information data according to the inquiry address, and decrypts the encrypted tax information data according to the stored first private key to obtain the tax information data. The technical scheme of the invention not only can solve the problem of slow data query of the traditional tax query system, but also can improve the data security and the mutual credibility between tax authorities and enterprises.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a tax information query method and system based on a block chain.
Background
The core content of the electronic tax belongs to electronic tax declaration. The electronic tax declaration comprises two parts of electronic declaration and electronic tax payment. The electronic declaration means that the taxpayer directly transmits declaration data to the tax authority through an internet communication network by using corresponding tax declaration tools such as a computer and the like so as to complete the whole process of tax declaration. The electronic declaration realizes the electronic information exchange between the taxpayer and the tax authority by means of the application of advanced network technology. The electronic tax payment refers to the process of tax payment settlement and explanation among taxpayers, tax authorities, banks and national banks through computer networks. In this link, the tax authority transfers tax directly from the bank account or special account of the taxpayer to finish the payment of tax.
The inventor finds that the following technical problems exist in the prior art in the process of implementing the invention: the types of taxpayers are generally divided into enterprises and individuals, and most of the cases are that enterprises replace individuals to make tax information declaration. The query information of the existing tax bureau system is influenced by factors such as query complexity, query data size and the like, so that the system bears overlarge load within the same time range of the taxpayer, the efficiency of the taxpayer is influenced, and the user satisfaction is low. In actual operation, after tax payment information is declared for an individual, the enterprise must inquire the tax payment information of each employee, and the inquiry of the tax administration system is in a point-to-point inquiry mode. When an enterprise inquires, the identity of the enterprise needs to be continuously switched, the CA of the taxpayer needs to be repeatedly plugged and pulled, and the account number of the taxpayer needs to be continuously switched to inquire. When the number of enterprise queries is large, omission is prone to occur, a unified multi-user service handling state list is not available, and experience of enterprise users is poor.
Disclosure of Invention
The embodiment of the invention provides a tax information query method and system based on a block chain, which can not only solve the problem of slow data query of the traditional tax query system, but also improve the data security and the mutual credibility between tax authorities and enterprises.
The embodiment of the invention provides a tax information query method based on a block chain, which is suitable for a tax information query system, and the tax information query system comprises: tax payment user end, tax office end, block chain system and block chain network; the tax payment user terminal and the tax bureau terminal are respectively connected with the block chain system through the block chain network;
the tax payment user terminal initiates a tax payment information query registration request to the tax administration terminal, so that the tax administration terminal can query the registration request according to the tax payment information, generate a first private key of the tax payment user terminal on the block chain system, and generate a corresponding first public key and a corresponding query address according to the first private key;
the tax payment user side receives and stores the first private key, the first public key and the query address through the block chain network;
the tax payment user side encrypts financial and newspaper data to be input according to a stored first public key, places the encrypted data on a corresponding tax administration address in the block chain system so that the tax administration side can obtain the encrypted data on the tax administration address, decrypts the data according to the first private key, verifies the decrypted data to generate tax information data corresponding to the tax payment user side, and places the encrypted tax information data on the query address;
and the tax payment user side inquires the encrypted tax information data according to the inquiry address, and decrypts the encrypted tax information data according to the stored first private key to acquire the tax information data.
Further, the tax office queries the registration request according to the tax information, generates a first private key of the tax client on the block chain system, and generates a corresponding first public key and a query address according to the first private key specifically as follows:
the tax bureau terminal generates the first private key according to a random algorithm and generates the first public key from the first private key according to an elliptic algorithm;
embedding the first public key into the query address when generating the query address.
Further, the tax payment user side encrypts financial and newspaper data to be entered according to the stored first public key, and places the encrypted data on a corresponding tax office address in the block chain system, specifically:
the tax payment user side converts financial and newspaper data to be input into electronic information in a PDF format, and encrypts the electronic information through a first random code;
the tax payment user side encrypts the first random code according to the first public key;
the tax payment user side places the encrypted data on a corresponding tax office address in the block chain system; the encrypted data comprises encrypted electronic information and an encrypted first random code.
Further, the tax office obtains the encrypted data from the address of the tax office, and after decrypting the data according to the first private key, verifies the decrypted data to generate tax information data corresponding to the tax payment user terminal, and then places the encrypted tax information data on the inquiry address, specifically:
the tax bureau terminal acquires the encrypted data, decrypts the encrypted first random code according to a first public key to obtain the first random code, and decrypts the encrypted electronic information through the first random code;
the tax bureau side verifies the electronic information and generates tax information data corresponding to the tax payment user side;
the tax bureau terminal encrypts the tax information data sequentially through the generated second random code and the first public key to obtain the encrypted tax information data, and then places the encrypted tax information data on the inquiry address.
Further, the tax payment user side decrypts the encrypted tax information data according to the stored first private key to obtain the tax information data, and the method specifically comprises the following steps:
the tax payment user side decrypts the encrypted tax information data according to the first private key to obtain a second random code, and then performs secondary decryption according to the second random code to obtain the tax information data.
Correspondingly, the embodiment of the invention correspondingly provides a tax information inquiry system based on a block chain, which is characterized by comprising the following steps: tax payment user end, tax office end, block chain system and block chain network; the tax payment user terminal and the tax bureau terminal are respectively connected with the block chain system through the block chain network;
the tax information inquiry system executes the block chain-based tax information inquiry method.
Further, the block chain system comprises block chain link points which are gradually increased in a chain generation manner, and the block chain nodes are connected in a chain manner;
the block chain nodes are used for issuing the related information of the interaction between the tax payment user side and the tax administration side and the data information of each adjacent node in at least one target adjacent node to the block chain network.
Further, the blockchain network node comprises: the tax payment system comprises tax payment user nodes, tax bureau nodes, response nodes and information identification nodes;
the tax payment user node is used for the tax payment user side to perform information interaction on the block chain system;
the tax bureau node is used for information interaction of the tax bureau end on the block chain system;
the response node is used for feeding back information sent to the tax payment user node by the tax bureau node;
the information identification node is used for converting the information of the tax payment user node and the tax bureau node, so that the tax payment user end and the tax bureau end can identify the information of each other.
Further, the blockchain system further includes: a block chain bottom platform;
the block chain bottom platform is any one of a platform adopting a Hyperlegger block chain technology or an Ethengfang block chain bottom platform.
Further, the platform adopting the Hyperleader block chain technology is a Linux fund foundation open-source hyper account book technology platform.
Compared with the prior art, the block chain-based tax information query method and system disclosed by the embodiment of the invention have the advantages that tax payment user terminals and tax administration terminals are opened on the block chain, each enterprise corresponds to one tax payment user terminal, the declaration information can be uniformly declared to the tax administration terminals, the uniform query can be realized during the query, the multiple login and repeated login are not needed, and the tax payment declaration efficiency and the enterprise user experience are improved. And the authenticity and traceability of tax information data can be ensured through the data non-tamper property of the block chain technology, and the requirements of business supervision and examination are met.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a block chain-based tax information query system according to the present invention;
FIG. 2 is a flowchart illustrating an embodiment of a block chain-based tax information query method according to the present invention;
FIG. 3 is a schematic diagram of the overall architecture provided by the present invention;
FIG. 4 is a schematic structural diagram of a tax administration client applying for data query registration from a tax administration end according to the present invention;
FIG. 5 is a schematic diagram of a structure of enterprise upload data provided by the present invention;
FIG. 6 is a schematic diagram of a structure of an enterprise tax data query provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a block chain-based tax information query system provided by the present invention. As shown in fig. 1, the system includes: tax client 1, tax bureau 2, block chain system 3 and block chain network 4. The tax payment user end 1 and the tax bureau end 2 are respectively connected with the block chain system 3 through the block chain network 4.
In the present embodiment, the block chain system 3 includes block link points that are gradually increased in a chain-generating manner, and the block link points are connected in a chain manner. The block chain nodes are used for issuing the related information of the interaction between the tax payment user terminal 1 and the tax administration terminal 2 and the data information of each adjacent node in at least one target adjacent node to the block chain network. The data information includes key information and address information.
In this embodiment, the blockchain network node includes: the tax payment system comprises tax payment user nodes, tax bureau nodes, response nodes and information identification nodes.
The tax payment user node is used for the tax payment user end 1 to perform information interaction on the block chain system 3; the tax bureau node is used for the tax bureau end 2 to perform information interaction on the block chain system 3; the response node is used for feeding back information sent by the tax bureau node to the tax payment user node; the information identification node is used for converting the information of the tax payment user node and the tax bureau node, so that the tax payment user end 1 and the tax bureau end 2 can identify the information of each other.
In this embodiment, each tax client 1 registers its account in the block chain system 3 to generate a corresponding tax client node, and the tax office 2 also has an account and a tax office node in the block chain system 3. The block chain system 3 can facilitate data interaction on the block chain system 3 by setting the response node and the information identification node, and does not need the tax payment user terminal 1 and the tax administration terminal 2 to perform corresponding information response and identification, thereby improving the data transmission speed, reducing the performance requirement on hardware equipment and improving the expansibility of the scheme.
As an example of the embodiment, the blockchain system 3 further includes a blockchain underlying platform. The block chain bottom platform is any one of a platform adopting a Hyperlegger block chain technology or an Ethengfang block chain bottom platform.
As an example of this embodiment, the platform using the hyperlegger blockchain technology may be, but is not limited to, a hyper ledger technology platform that opens a source for the Linux foundation.
Correspondingly, under the structure of the query system of this embodiment, referring to the method for querying tax information based on a block chain shown in fig. 2, the method includes the following steps:
step 201: the tax payment user terminal initiates a tax payment information query registration request to the tax administration terminal, so that the tax administration terminal can query the registration request according to the tax payment information, generate a first private key of the tax payment user terminal on the block chain system, and generate a corresponding first public key and a query address according to the first private key.
In this embodiment, step 201 specifically includes: the tax payment user side initiates a tax payment information inquiry and registration request to the block chain system, and the tax administration side generates a first private key according to a random algorithm and generates a first public key from the first private key according to an elliptic algorithm after receiving the request; when a query address is generated on the blockchain, the first public key is embedded into the query address.
In more detail, the tax administration side randomly selects 256 digits and selects a random entropy source according to the SHA256 algorithm for the selected data. If the first private key is made to display 64-bit numbers, a hexadecimal mark is adopted, and if the first private key is made to display the private key by using bitcoin, a dumpprivkey mark is adopted. And generating a first public key by the first private key according to the following formula: k ═ K × G. Where K is the private key, G is a discrete constant point, and K is the public key. Finally, the inquiry address required by the tax payment user side is formed according to the public key, wherein the inquiry address A is RIPEMD160(SHA256(K)), K is the public key, and the inquiry address A is formed into a 20-byte address through Base 58.
Step 202: the tax payment user side receives and stores the first private key, the first public key and the query address through the block chain network.
In this embodiment, the tax client stores the received first private key, the first public key and the query address.
Step 203: the tax payment user side encrypts financial and newspaper data to be input according to the stored first public key, places the encrypted data on a corresponding tax office address in the block chain system so that the tax office can obtain the encrypted data on the tax office address, verifies the decrypted data to generate tax information data corresponding to the tax payment user side after decrypting according to the first private key, and places the encrypted tax information data on an inquiry address.
In this embodiment, step 203 specifically includes:
step 2031: the tax payment user side converts the financial and newspaper data to be input into the electronic information in the PDF format, and encrypts the electronic information through the first random code.
Step 2032: the tax client encrypts the first random code according to the first public key.
Step 2033: the tax payment user side places the encrypted data on a corresponding tax office address in the block chain system; the encrypted data comprises encrypted electronic information and an encrypted first random code.
Step 2034: the tax bureau terminal obtains the encrypted data, decrypts the encrypted first random code according to the first public key to obtain a first random code, and decrypts the encrypted electronic information through the first random code.
Step 2035: and the tax bureau side checks the electronic information and generates tax information data corresponding to the tax payment user side.
Step 2036: and the tax bureau terminal encrypts the tax information data sequentially through the generated second random code and the first public key to obtain the encrypted tax information data, and then places the encrypted tax information data on the inquiry address.
In this embodiment, the financial instrument data to be entered may include, but is not limited to: financial and newspaper data, invoice data, and the like. In addition, the input financial report data are input to a plurality of taxpayers, if an enterprise inputs the financial report data corresponding to all employees at one time, then the tax administration side audits the financial report data at one time, the accounts of the taxpayers do not need to be logged in for multiple times, time is saved, and tax efficiency is improved. Meanwhile, aiming at the safety problem, the taxpayer needs to authorize the enterprise in advance to meet the requirement of one-time input, so that illegal or abnormal input is avoided.
Step 204: the tax payment user side inquires the encrypted tax information data according to the inquiry address, and then decrypts the encrypted tax information data according to the stored first private key to obtain the tax information data.
In this embodiment, step 204 specifically includes: the tax payment user side decrypts the encrypted tax information data according to the first private key to obtain a second random code, and then performs secondary decryption according to the second random code to obtain the tax information data. The encryption and decryption processes are similar to the processes of uploading data by the tax payment user side and calling data by the tax bureau side. The tax payment user side can inquire the tax information data through the inquiry address, and all past records are recorded on the block chain, so that the tracking can be realized. In addition, when the tax payment user side is an enterprise, the enterprise can declare and inquire all the employees only through one-time operation, the login load of the system is reduced, and the inquiry speed is increased.
For better illustration of the working principle and system architecture of the present invention, reference may be made, without limitation, to fig. 3 to 6. Wherein, fig. 3 is a schematic diagram of the overall structure operation provided by the present invention. Fig. 4 is a schematic structural diagram of a tax payment user applying for data query registration from a tax administration side according to the present invention. Fig. 5 is a schematic structural diagram of enterprise upload data provided by the present invention. FIG. 6 is a schematic diagram of a structure of an enterprise tax data query provided by the present invention.
In summary, the present invention can effectively solve the problems of data security risk and management in slow authorization, transmission and query of the traditional tax information query system, and the present invention has the advantages of high mutual reliability, data non-falsification, data traceability, interconnection, distributed storage, decentralization, etc., and can be effectively applied to the tax information query service, which is mainly embodied in the following points:
1. confirming the unique digital identity of the taxpayer through a secret key technology in a block chain;
2. the tax information data content is ensured not to be leaked and illegally utilized through an encryption algorithm in the block chain;
3. a safe and reliable mutual trust channel is provided through a block chain, and the problem of data islands is solved;
4. the authenticity and the integrity of the tax information data are ensured through the data non-tampering characteristic of the block chain;
5. the requirements of service supervision and examination are met through the data traceability characteristic of the block chain;
6. files on the block chain are stored in a distributed mode, the single-point problem is avoided, and data are guaranteed not to be lost forever.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A tax information inquiry method based on a block chain is characterized in that the inquiry method is suitable for a tax information inquiry system, and the tax information inquiry system comprises: tax payment user end, tax office end, block chain system and block chain network; the tax payment user terminal and the tax bureau terminal are respectively connected with the block chain system through the block chain network;
the tax payment user terminal initiates a tax payment information query registration request to the tax administration terminal, so that the tax administration terminal can query the registration request according to the tax payment information, generate a first private key of the tax payment user terminal on the block chain system, and generate a corresponding first public key and a corresponding query address according to the first private key;
the tax payment user side receives and stores the first private key, the first public key and the query address through the block chain network;
the tax payment user side encrypts financial and newspaper data to be input according to a stored first public key, places the encrypted data on a corresponding tax administration address in the block chain system so that the tax administration side can obtain the encrypted data on the tax administration address, decrypts the data according to the first private key, verifies the decrypted data to generate tax information data corresponding to the tax payment user side, and places the encrypted tax information data on the query address;
and the tax payment user side inquires the encrypted tax information data according to the inquiry address, and decrypts the encrypted tax information data according to the stored first private key to acquire the tax information data.
2. The block chain-based tax information inquiry method according to claim 1, wherein the tax office side inquires a registration request according to the tax information, generates a first private key of the tax client side on the block chain system, and generates a corresponding first public key and an inquiry address according to the first private key, specifically:
the tax bureau terminal generates the first private key according to a random algorithm and generates the first public key from the first private key according to an elliptic algorithm;
embedding the first public key into the query address when generating the query address.
3. A method according to claim 1, wherein the tax payment user side encrypts the financial and newspaper data to be entered according to the stored first public key, and places the encrypted data on a corresponding tax office address in the blockchain system, specifically:
the tax payment user side converts financial and newspaper data to be input into electronic information in a PDF format, and encrypts the electronic information through a first random code;
the tax payment user side encrypts the first random code according to the first public key;
the tax payment user side places the encrypted data on a corresponding tax office address in the block chain system; the encrypted data comprises encrypted electronic information and an encrypted first random code.
4. A tax information inquiry method according to claim 3, wherein the tax office obtains the encrypted data from the address of the tax office, decrypts the encrypted data according to the first private key, verifies the decrypted data to generate tax information data corresponding to the tax client, and places the encrypted tax information data on the inquiry address, specifically:
the tax bureau terminal acquires the encrypted data, decrypts the encrypted first random code according to a first public key to obtain the first random code, and decrypts the encrypted electronic information through the first random code;
the tax bureau side verifies the electronic information and generates tax information data corresponding to the tax payment user side;
the tax bureau terminal encrypts the tax information data sequentially through the generated second random code and the first public key to obtain the encrypted tax information data, and then places the encrypted tax information data on the inquiry address.
5. The block chain-based tax information inquiry method according to claim 4, wherein the tax payment user side decrypts the encrypted tax information data according to the stored first private key to obtain the tax information data, specifically:
the tax payment user side decrypts the encrypted tax information data according to the first private key to obtain a second random code, and then performs secondary decryption according to the second random code to obtain the tax information data.
6. A tax information inquiry system based on block chains is characterized in that the tax information inquiry system comprises: tax payment user end, tax office end, block chain system and block chain network; the tax payment user terminal and the tax bureau terminal are respectively connected with the block chain system through the block chain network;
the tax information inquiry system executes the block chain-based tax information inquiry method according to any one of claims 1 to 5.
7. A block chain based tax information inquiry system according to claim 6, wherein the block chain system comprises a gradual increase of block chain nodes in a chain manner, and the block chain nodes are connected in a chain manner;
the block chain nodes are used for issuing the related information of the interaction between the tax payment user side and the tax administration side and the data information of each adjacent node in at least one target adjacent node to the block chain network.
8. The tax information system according to claim 7, wherein the blockchain network node comprises: the tax payment system comprises tax payment user nodes, tax bureau nodes, response nodes and information identification nodes;
the tax payment user node is used for the tax payment user side to perform information interaction on the block chain system;
the tax bureau node is used for information interaction of the tax bureau end on the block chain system;
the response node is used for feeding back information sent to the tax payment user node by the tax bureau node;
the information identification node is used for converting the information of the tax payment user node and the tax bureau node, so that the tax payment user end and the tax bureau end can identify the information of each other.
9. The tax information system according to claim 8, wherein the blockchain system further comprises: a block chain bottom platform;
the block chain bottom platform is any one of a platform adopting a Hyperlegger block chain technology or an Ethengfang block chain bottom platform.
10. The tax information inquiry system according to claim 9, wherein the platform using Hyperledger blockchain technology is a Linux foundation open-source hyper ledger technology platform.
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| CN112529674A (en) * | 2020-12-17 | 2021-03-19 | 神州数码信息系统有限公司 | Tax data service method and system adopting block chain |
| CN113434893A (en) * | 2021-07-19 | 2021-09-24 | 首都医科大学宣武医院 | Consultation service providing method and system for protecting user privacy |
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| CN112381634A (en) * | 2020-11-20 | 2021-02-19 | 湖南智慧政务区块链科技有限公司 | Tax statistics and settlement method, device, equipment and storage medium |
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