CN111861688B - Electronic tax registration method and system based on blockchain - Google Patents
Electronic tax registration method and system based on blockchain Download PDFInfo
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- CN111861688B CN111861688B CN202010537991.2A CN202010537991A CN111861688B CN 111861688 B CN111861688 B CN 111861688B CN 202010537991 A CN202010537991 A CN 202010537991A CN 111861688 B CN111861688 B CN 111861688B
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Abstract
The invention discloses a block chain-based electronic tax registration method and a block chain-based electronic tax registration system. The technical scheme of the invention not only can open the data intercommunication between the business end and the tax end, but also solves the problems of difficult data acquisition, untimely data security risk and management faced by the traditional electronic tax registration.
Description
Technical Field
The invention relates to the technical field of computers, in particular to an electronic tax registration method and system based on blockchain.
Background
The electronic tax registration is the product of the information age, after the business or the individual is registered in the business department, the business license is acquired, a unique social credit code is acquired, then related data such as the business license, legal documents and the like are carried to the tax department to register as tax payers, the industries, the operating range and the like of the business are registered, deposit accounts and financial accounting systems are recorded, tax identification is completed, the general tax payer identification of value added tax is completed, and then tax liability is fulfilled.
The current electronic tax registration acquires tax payer registration basic information by manually collecting and calling an industrial and commercial interface, if industrial and commercial data are changed, the tax payer needs to go to a tax department for one time after the industrial and commercial transaction is changed, otherwise, the data of the two parties are inconsistent, and the subsequent business transaction is possibly influenced. The main reason is that the databases on two sides are independent, and the data cannot be shared in real time. In this way, there may be a risk of data synchronization, resulting in tax administration loopholes, bringing tax losses to the country. To sum up, the existing electronic tax registration has the following problems:
1. the business and tax data are not shared, and related information is required to be acquired through manual input during tax registration;
2. the data changes on two sides cannot be synchronized to the other side, so that similar data of the two sides are inconsistent;
3. registration needs to be performed in two systems in sequence to complete registration to become a tax payer.
Disclosure of Invention
The embodiment of the invention provides an electronic tax registration method and system based on a blockchain, which can be used for communicating data between a business end and a tax end, and solves the problems of difficult data acquisition and untimely data security risk and management faced by the traditional electronic tax registration.
The embodiment of the invention provides an electronic tax registration method based on a blockchain, which is suitable for an electronic tax registration system, wherein the tax information inquiry system comprises the following steps: the system comprises a user side, a tax office side, an industrial and commercial office side, a blockchain system and a blockchain network; the user side, the tax bureau side and the business bureau side are respectively connected with the blockchain system through the blockchain network;
the user side initiates an electronic tax registration request to the tax office side, so that the tax office side generates a first private key of the user side on the blockchain system according to the electronic tax registration request, and generates a corresponding first public key and a first query address according to the first private key;
the tax office side initiates an industrial and commercial data query request to the industrial and commercial office side so that the industrial and commercial office side generates a second private key of the tax office side on the blockchain system according to the industrial and commercial data query request, and generates a corresponding second public key and a second query address according to the second private key;
the business office encrypts the business data corresponding to the user side according to the second public key to obtain second encrypted data, and places the second encrypted data on the second query address;
the tax bureau side invokes and decrypts the second encrypted data according to the second private key and the second query address returned by the business bureau side, generates tax registration data, encrypts the tax registration data according to the first public key, obtains first encrypted data, and places the first encrypted data on the first query address;
and the user side invokes and decrypts the first encrypted data according to the first private key and the first query address returned by the tax bureau side to obtain the tax registration data.
Further, the tax bureau side generates a first private key of the user side on the blockchain system according to the electronic tax registration request, and generates a corresponding first public key and a first query address according to the first private key, specifically:
the tax bureau side 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;
the first public key is embedded into the first lookup address when the first lookup address is generated.
Further, the business office generates a second private key of the tax office on the blockchain system according to the business data query request, and generates a corresponding second public key and a second query address according to the second private key, specifically:
the business office side generates the second private key according to a random algorithm and generates the second public key according to an elliptic algorithm by the second private key;
the second public key is embedded into the second lookup address when the second lookup address is generated.
Further, the business office encrypts the business data corresponding to the user side according to the second public key to obtain second encrypted data, and places the second encrypted data on the second query address, which specifically includes:
the business office end converts the business data to be input into electronic information and encrypts the electronic information through the generated second random code;
the business office encrypts the second random code according to the second public key;
the business office end places second encrypted data on the second query address; wherein the second encrypted data includes the encrypted electronic information and the encrypted second random code.
Further, the tax office side invokes and decrypts the second encrypted data according to the second private key and the second query address returned by the business office side, and generates tax registration data, which specifically includes:
the tax bureau side invokes the second encrypted data according to the second query address, decrypts the encrypted second random code according to the second private key, and decrypts the encrypted electronic information according to the obtained second random code, thereby obtaining the industrial and commercial data;
and the tax bureau side checks the electronic tax registration of the user side in combination with the business data according to the electronic tax registration request to generate corresponding tax registration data.
Further, the tax bureau encrypts the tax registration data according to the first public key to obtain first encrypted data, and places the first encrypted data on the first query address, specifically:
the tax bureau encrypts the tax registration data through the generated first random code to generate encrypted tax registration data;
the tax bureau encrypts the first random code according to the first public key;
the tax bureau side places the first encrypted data on the first query address; wherein the first encrypted data includes the encrypted tax registration data and the encrypted first random code.
Further, the user side invokes and decrypts the first encrypted data according to the first private key and the first query address returned by the tax bureau side, and then obtains the tax registration data, specifically:
the user receives a first private key and a first query address returned by the tax bureau;
the user side invokes the first encrypted data according to the first query address, decrypts the encrypted first random code according to the first private key, and decrypts the encrypted tax registration data according to the obtained first random code, thereby obtaining the tax registration data.
Correspondingly, the embodiment of the invention correspondingly provides an electronic tax registration system based on a blockchain, and the tax information inquiry system comprises: the system comprises a user side, a tax office side, an industrial and commercial office side, a blockchain system and a blockchain network; the user side, the tax bureau side and the business bureau side are respectively connected with the blockchain system through the blockchain network;
the electronic tax registration system performs the blockchain-based electronic tax registration method according to the present invention.
Further, the blockchain system comprises blockchain nodes which are gradually increased in a chain generation mode, and the blockchain nodes are connected in a chain type;
the blockchain node is used for publishing related information interacted by the user side, the business office side and the tax office side and data information of each adjacent node in at least one target adjacent node to the blockchain network.
Further, the blockchain network node includes: user node, tax bureau node, business bureau node, response node and information identification node;
the user node is used for the user terminal to perform information interaction on the blockchain system;
the tax bureau node is used for enabling the tax bureau side to conduct information interaction on the blockchain system;
the business office node is used for the business office side to perform information interaction on the block chain system;
the response node is used for feeding back information sent by the tax bureau node to the user node;
the information identification node is used for converting the information of the user node and the tax bureau node so that the user side and the tax bureau side can identify the information of each other.
Compared with the prior art, the electronic tax registration method and system based on the blockchain disclosed by the embodiment of the invention have the advantages that the worker and the business office end and the tax office end are opened on the blockchain, when the enterprise is used for tax registration, the worker and business data are not required to be additionally acquired, the worker and business office end uploads related worker and business data, and after the tax office end performs audit on the electronic tax registration, the corresponding tax registration data are uploaded on the blockchain system for the user side to check. Therefore, the technical scheme of the invention can open the data intercommunication between the business end and the tax end, and solve the problems of difficult data acquisition, untimely data security risk and management faced by the traditional electronic tax registration.
Drawings
FIG. 1 is a schematic diagram illustrating the architecture of one embodiment of a blockchain-based electronic tax registration system provided by the present invention;
FIG. 2 is a flow chart of one embodiment of a blockchain-based electronic tax registration method provided by the invention. .
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to FIG. 1, FIG. 1 is a schematic diagram of one embodiment of a blockchain-based electronic tax registration system provided by the present invention. As shown in fig. 1, the system includes: the system comprises a user side 1, a tax bureau side 2, an industrial and commercial bureau side 3, a blockchain system 4 and a blockchain network 5. The user side 1, the tax bureau side 2 and the business bureau side 3 are respectively connected with the blockchain system 4 through a blockchain network 5.
In this embodiment, the blockchain system 4 includes blockchain nodes that are progressively increased by way of chaining, and the blockchain nodes are connected in a chain. The blockchain node is used for publishing related information interacted by the user side 1, the tax bureau side 2 and the business bureau side 3 and data information of each adjacent node in at least one target adjacent node to the blockchain network. The data information includes key information and address information.
In this embodiment, the blockchain network node includes: user nodes, tax bureau nodes, business bureau nodes, response nodes and information identification nodes.
The user node is used for the user terminal 1 to perform information interaction on the block chain system 4; the tax bureau node is used for the tax bureau side 2 to perform information interaction on the blockchain system 4; the business office node is used for the business office end 3 to perform information interaction on the block chain system 4; the response node is used for feeding back information sent by the tax bureau node to the user node; the information identifying node is used for converting the information of the user node and the tax bureau node, so that the user side 1 and the tax bureau side 2 can identify the information of each other.
In this embodiment, each user terminal 1 registers its own account number on the blockchain system 4 to generate a corresponding user node, and meanwhile, the tax office terminal 2 and the business office terminal 3 also have account numbers and tax office nodes on the blockchain system 4. The blockchain system 4 can facilitate data interaction on the blockchain system 3 by arranging the response node and the information identification node without corresponding information response and identification by the user side 1 and the tax bureau side 2, so that the data response speed and the transmission speed are improved, the performance requirements on hardware equipment are reduced, and the expansibility of the scheme is improved.
As an example of this embodiment, the blockchain system 4 also includes a blockchain bottom platform. The blockchain bottom layer platform is any one of a platform adopting Hyperledger blockchain technology or an Ethernet blockchain bottom layer platform.
As an example of this embodiment, a platform employing Hyperledger blockchain technology may be, but is not limited to, a super ledger technology platform that is open to the Linux foundation.
Accordingly, under the structure of the electronic tax registration system of the present embodiment, referring to the blockchain-based electronic tax registration method shown in fig. 2, the method includes the steps of:
step 201: the user side initiates an electronic tax registration request to the tax office side so that the tax office side generates a first private key of the user side on the blockchain system according to the electronic tax registration request, and generates a corresponding first public key and a first query address according to the first private key.
In this embodiment, step 201 specifically includes: the user side initiates an electronic tax registration request to the tax bureau side, and after receiving the request, the tax bureau side generates a first private key according to a random algorithm and generates a first public key according to an elliptic algorithm from the first private key; the first public key is embedded into the first lookup address as the first lookup address is generated on the blockchain.
In more detail, the tax office randomly selects 256 digits and selects a random entropy source for the selected data according to the SHA256 algorithm. If the first private key is made to display a 64-bit number, hexadecimal identification is used, and if the first private key is made to display a private key with bitcoin, dumpprivkey identification is used. And generating a first public key from the first private key according to the following formula: k=k×g. Where K is the private key, G is the discrete constant point, and K is the public key. And finally, forming a query address required by the user side according to the public key, wherein the query address A=RIPEMD 160 (SHA 256 (K)), wherein K is the public key, and the query address A is formed into a 20-byte address through the Base 58.
Step 202: the tax office initiates an industrial and commercial data query request to the industrial and commercial office, so that the industrial and commercial office generates a second private key of the tax office on the blockchain system according to the industrial and commercial data query request, and generates a corresponding second public key and a second query address according to the second private key.
In this embodiment, step 202 specifically includes: the business office side generates a second private key according to a random algorithm, and generates a second public key according to an elliptic algorithm by the second private key; the second public key is embedded into the second lookup address as the second lookup address is generated on the blockchain. The key and address generation method of this step can be referred to as the generation method of this step 201.
Step 203: and the business office encrypts the business data corresponding to the user end according to the second public key to obtain second encrypted data, and places the second encrypted data on a second query address.
In this embodiment, step 203 specifically includes:
the business office end converts the business data to be recorded into electronic information, encrypts the electronic information through the generated second random code, and obtains encrypted electronic information;
the business office encrypts the second random code according to the second public key to obtain an encrypted second random code;
the business office end places the second encrypted data on a second query address; wherein the second encrypted data includes the encrypted electronic information and the encrypted second random code.
Step 204: the tax bureau side calls and decrypts the second encrypted data according to the second private key and the second query address returned by the business bureau side, generates tax registration data, encrypts the tax registration data according to the first public key, obtains first encrypted data, and places the first encrypted data on the first query address.
In this embodiment, after the business office generates the key and the address, the business office sends the second key and the second query address to the tax office for storage by the tax office.
In this embodiment, step 204 specifically includes:
the tax bureau side invokes second encrypted data according to the second query address, decrypts the encrypted second random code according to the second private key, and decrypts the encrypted electronic information according to the obtained second random code, so as to obtain industrial and commercial data;
the tax bureau side checks the electronic tax registration of the user side according to the electronic tax registration request and combines the business data to generate corresponding tax registration data;
the tax bureau encrypts tax registration data through the generated first random code to generate encrypted tax registration data;
the tax bureau encrypts the first random code according to the first public key to obtain an encrypted first random code;
the tax bureau side places the first encrypted data on a first inquiry address; wherein the first encrypted data includes encrypted tax registration data, and an encrypted first random code.
Step 205: and the user calls and decrypts the first encrypted data according to the first private key and the first query address returned by the tax bureau side, and then obtains tax registration data.
In this embodiment, the tax-paying user side stores the received first private key and the first query address
In this embodiment, step 205 specifically includes: the user side invokes the first encrypted data according to the first query address, decrypts the encrypted first random code according to the first private key, and decrypts the encrypted tax registration data according to the obtained first random code, thereby obtaining the tax registration data.
In this embodiment, the user side may perform the inquiry of the electronic tax registration through the first inquiry address, and record all the past records on the blockchain, so as to implement tracing.
As an example of this embodiment, the business office may also initiate a tax data query request to the tax office, so that the tax office generates a third private key of the business office on the blockchain system according to the tax data query request, and generates a corresponding third public key and a third query address on the blockchain according to the third private key. And the tax bureau side returns a third private key and a third query address to the business bureau side. And the tax bureau encrypts tax data required by the business bureau side according to the third public key to obtain third encrypted data, and places the third encrypted data on a third query address. And the business office side invokes the third encrypted data according to the third query address, decrypts the third encrypted data according to the third private key, and obtains the tax data required by the business office side, thereby completing tax data query and interaction.
In this example, the alliance chain established by the business office and the tax office has advantages over the public blockchain in terms of efficiency and flexibility, and is mainly represented by the following points:
first, transaction costs are cheaper. The transaction only needs to be verified by several trusted high-power nodes without full network validation.
Secondly, the nodes can be well connected, faults can be quickly repaired by manual intervention, and the block time is reduced by using a consensus algorithm, so that the transaction is completed more quickly.
And thirdly, the reading authority is limited, so that better privacy protection can be provided.
Fourth, the community or company running the private blockchain can easily modify the rules of the blockchain, restore transactions, etc., if desired.
In summary, the invention can effectively solve the problems of difficult data acquisition and untimely data security risk and management faced by the traditional electronic tax registration, and has the advantages of high mutual credibility, non-falsification of data, traceability of data, interconnection and intercommunication, distributed storage, decentralization and the like, and can be effectively applied to tax information inquiry service, and the invention is mainly characterized in that:
1. confirming the unique digital identity of the tax payer through a key technology in a block chain;
2. through an encryption algorithm in the blockchain, the tax information data content is ensured not to be revealed and illegally utilized;
3. a safe and reliable mutual trust channel is provided through a block chain, so that the problem of data island is solved;
4. the authenticity and the integrity of tax information data are ensured through the data non-falsifiable characteristic of the blockchain;
5. the requirements of business supervision and examination are met through the data traceability characteristic of the block chain;
6. and through the data of the blockchain, the fusion of the business and tax registration data is realized, and the operation of tax payers is reduced.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (8)
1. An electronic tax registration method based on a blockchain, wherein the electronic tax registration method is applicable to an electronic tax registration system, and the electronic tax registration system comprises: the system comprises a user side, a tax office side, an industrial and commercial office side, a blockchain system and a blockchain network; the user side, the tax bureau side and the business bureau side are respectively connected with the blockchain system through the blockchain network;
the user side initiates an electronic tax registration request to the tax office side, so that the tax office side generates a first private key of the user side on the blockchain system according to the electronic tax registration request, and generates a corresponding first public key and a first query address according to the first private key;
the tax office side initiates an industrial and commercial data query request to the industrial and commercial office side so that the industrial and commercial office side generates a second private key of the tax office side on the blockchain system according to the industrial and commercial data query request, and generates a corresponding second public key and a second query address according to the second private key;
the business office encrypts the business data corresponding to the user side according to the second public key to obtain second encrypted data, and places the second encrypted data on the second query address;
the tax bureau side invokes and decrypts the second encrypted data according to the second private key and the second query address returned by the business bureau side, generates tax registration data, encrypts the tax registration data according to the first public key, obtains first encrypted data, and places the first encrypted data on the first query address;
the user side obtains the tax registration data after retrieving and decrypting the first encrypted data according to a first private key and a first query address returned by the tax bureau side;
the business office encrypts the business data corresponding to the user side according to the second public key to obtain second encrypted data, and places the second encrypted data on the second query address, specifically:
the business office end converts the business data to be input into electronic information and encrypts the electronic information through the generated second random code;
the business office encrypts the second random code according to the second public key;
the business office end places second encrypted data on the second query address; the second encrypted data comprises encrypted electronic information and an encrypted second random code;
the tax bureau encrypts the tax registration data according to the first public key to obtain first encrypted data, and places the first encrypted data on the first query address, specifically:
the tax bureau encrypts the tax registration data through the generated first random code to generate encrypted tax registration data;
the tax bureau encrypts the first random code according to the first public key;
the tax bureau side places the first encrypted data on the first query address; wherein the first encrypted data includes the encrypted tax registration data and the encrypted first random code.
2. The blockchain-based electronic tax registration method of claim 1, wherein the generating, by the tax bureau side, the first private key of the user side on the blockchain system according to the electronic tax registration request, and generating, by the tax bureau side, the corresponding first public key and first query address according to the first private key, is specifically:
the tax bureau side 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;
the first public key is embedded into the first lookup address when the first lookup address is generated.
3. The blockchain-based electronic tax registration method of claim 1, wherein the generating, by the business office side, the second private key of the tax office side on the blockchain system according to the business data query request, and generating the corresponding second public key and the second query address according to the second private key, specifically comprises:
the business office side generates the second private key according to a random algorithm and generates the second public key according to an elliptic algorithm by the second private key;
the second public key is embedded into the second lookup address when the second lookup address is generated.
4. The blockchain-based electronic tax registration method of claim 1, wherein the tax office side invokes and decrypts the second encrypted data according to a second private key and a second query address returned by the business office side to generate tax registration data, and specifically comprises:
the tax bureau side invokes the second encrypted data according to the second query address, decrypts the encrypted second random code according to the second private key, and decrypts the encrypted electronic information according to the obtained second random code, thereby obtaining the industrial and commercial data;
and the tax bureau side checks the electronic tax registration of the user side in combination with the business data according to the electronic tax registration request to generate corresponding tax registration data.
5. The blockchain-based electronic tax registration method as in claim 1, wherein the step of obtaining the tax registration data after the user side invokes and decrypts the first encrypted data according to the first private key and the first query address returned by the tax bureau side is specific to:
the user receives a first private key and a first query address returned by the tax bureau;
the user side invokes the first encrypted data according to the first query address, decrypts the encrypted first random code according to the first private key, and decrypts the encrypted tax registration data according to the obtained first random code, thereby obtaining the tax registration data.
6. A blockchain-based electronic tax registration system, the electronic tax registration system comprising: the system comprises a user side, a tax office side, an industrial and commercial office side, a blockchain system and a blockchain network; the user side, the tax bureau side and the business bureau side are respectively connected with the blockchain system through the blockchain network;
the electronic tax registration system performs the blockchain-based electronic tax registration method of any of claims 1 to 5.
7. The blockchain-based electronic tax registration system of claim 6, wherein the blockchain system includes blockchain nodes that progressively increase in a chain-generated manner, and wherein the blockchain nodes are connected in a chain;
the blockchain node is used for publishing related information interacted by the user side, the business office side and the tax office side and data information of each adjacent node in at least one target adjacent node to the blockchain network.
8. The blockchain-based electronic tax registration system of claim 7, wherein the blockchain network node includes: user node, tax bureau node, business bureau node, response node and information identification node;
the user node is used for the user terminal to perform information interaction on the blockchain system;
the tax bureau node is used for enabling the tax bureau side to conduct information interaction on the blockchain system;
the business office node is used for the business office side to perform information interaction on the block chain system;
the response node is used for feeding back information sent by the tax bureau node to the user node;
the information identification node is used for converting the information of the user node and the tax bureau node so that the user side and the tax bureau side can identify the information of each other.
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| CN110990883A (en) * | 2019-11-22 | 2020-04-10 | 金蝶软件（中国）有限公司 | Data access method, data access device, computer-readable storage medium and computer equipment |
| CN111241592A (en) * | 2019-12-30 | 2020-06-05 | 航天信息股份有限公司 | Business registration method and system based on block chain technology |
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