CN109345240B - Electronic business license application system and method based on block chain - Google Patents
Electronic business license application system and method based on block chain Download PDFInfo
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- CN109345240B CN109345240B CN201811071023.6A CN201811071023A CN109345240B CN 109345240 B CN109345240 B CN 109345240B CN 201811071023 A CN201811071023 A CN 201811071023A CN 109345240 B CN109345240 B CN 109345240B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3825—Use of electronic signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/18—Legal services; Handling legal documents
- G06Q50/188—Electronic negotiation
Abstract
The invention discloses an electronic business license application system and method based on a block chain, which comprises an electronic business license block chain identity registration process, a block chain identity verification process, a declared material block chain signing process, an electronic declared material verification and approval process, an inter-enterprise contract signing process, a contract signing verification and re-signing process, wherein the electronic business license block chain identity registration process comprises the following steps: the enterprise enters a block chain client to generate a registered identity public key and a registered identity private key in a block chain, the block chain client signs the signature information A by using the private key and then forms signature information B together with the public key and the plaintext of the electronic business license information, and the signature information B is stored in the block chain. The invention is convenient for government approval departments, market subjects, third-party organs and the like to carry out high-credibility, low-cost and high-efficiency business transaction and administrative approval, and has great popularization value.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to an electronic business license application system and method based on a block chain.
Background
The electronic business license is a legal principal identity electronic certificate which is introduced by the national market supervision and administration bureau and takes the bureau as a trust origin, and the legal effectiveness of the electronic business license is equal to that of a paper business license. The electronic business license is generated by all levels of registration and approval authorities and a central office electronic business license platform in a unified way.
The invention provides an electronic business license application system and method based on a block chain, which can solve the problems of signature and evidence storage at relatively low cost.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a block chain electronic license application method.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electronic business license application system and method based on block chain includes the following steps,
s1, registration process of block chain identity of electronic business license: an enterprise enters a block chain client to generate a registered identity public key and a private key in a block chain, a signature interface of an electronic business license is called to sign the public key to form signature information A, the block chain client signs the signature information A by using the private key and then signs together with the public key and an electronic business license information plaintext to form signature information B, and the signature information B is stored in the block chain and serves as a certificate and legal evidence of the electronic identity of the enterprise in the block chain;
s2, checking the identity of the blockchain: the verifying party obtains the signature information A, the block chain public key of the verified enterprise and the signature information B, the enterprise public key is used for verifying the signature content, and if the verification fails, the verification fails; if the verification is successful, calling an electronic business license verification interface to verify the signature information A, if the verification is successful, the identity verification is successful, and the block chain identity is confirmed as the enterprise; if the block chain identity fails, the block chain identity is not verified;
s3, the signing flow of the declaration material block chain: the block chain client calls an electronic business license interface, and signs the file to be signed to form signature information C; signing the signature information C together with the clear text of the electronic business license information of the enterprise and the public key of the block chain identity again by using the private key of the block chain of the enterprise to form signature information D1, and storing the signature information D1 into the block chain; the signed file and the signature information C, D1 are submitted to an examination and approval department for examination and verification to complete the application;
s4, the process of electronic declaration of material checking and approval is as follows: the auditor blockchain client receives the declaration material and the signature information C, D1 submitted by the enterprise, the blockchain client calls the corresponding signature information D1 stored in the blockchain, signature verification is carried out by using the public key of the signed enterprise, and the audit verification is stopped if the signature fails; if the verification is successful, the electronic business license verification interface is called to verify the signature information C, if the verification is failed, the verification fails, and the process is ended; if the verification is successful, the verification is passed, and then the content verification is carried out; after the auditor examines, the auditor considers that the auditor can approve the auditor, the private key of the local gateway in the block chain is used for carrying out electronic signature on the declaration material, the signature information C, D1 and the public key of the local gateway to form signature information D2, the signature information D2 is stored in the block chain, and the examination and approval process is finished;
s5, contract signing flow among enterprises: the enterprise calls an electronic business license signature interface from contract electronic plaintext needing to be signed with each party of the contract to sign the plaintext to form signature information E1, and the block chain client signs the signature information E1 together with the contract plaintext to be signed and the public keys of the relevant parties to form signature information F1 by using the private key of the enterprise block chain; the signature information F1 is stored in the block chain, and simultaneously the signature information E1 and F1, the contract plaintext and the public keys of all parties are sent to the next contracting party;
s6, contract signing verification and re-signing process: after receiving a contract plaintext, the signature information E1 and F1 and the public keys of all parties, the block chain client of the contract receiver verifies the signature F1 by using the public key of the signing party, verifies the signature information E1 by calling an electronic business license interface, and terminates the verification if the verification fails; if the contract plaintext and the signature information F1 are signed correctly, an electronic business license interface is called to obtain signature information E2, a private key of the identity of the recipient blockchain is used for signing the signature information E2 together with the contract plaintext to be signed and the public keys of the relevant parties to form signature information F2, and the signature information F2 is stored in the blockchain; if the method is the last signing party, the contract signing is completed and the contract formally takes effect; if not, the signature information E2 and F2, the contract plaintext and the public keys of the parties are sent to the next subscriber, and the process is repeated.
Preferably, in S1, the signature information B is stored in the block chain as a certificate and legal evidence of the electronic identity of the enterprise in the block chain.
Preferably, in S6, after the contract recipient blockchain client receives the contract plaintext, the signature information E1, F1, E2, F2 and the public keys of the parties, if E1, F1, E2, and F2 are repeatedly entered, E2 and F2 are regarded as E1 and F1.
Compared with the prior art, the invention has the beneficial effects that: the information such as evidence of electronic signing and data signing is stored in a block chain mode, the problems of certificate storage, legal dispute and the like generated in the application process of the electronic business license are solved at extremely low cost, high-reliability, low-cost and high-efficiency business transaction and administrative examination and approval of government examination and approval departments, market bodies, third-party organs and the like are facilitated, and the method has very high popularization value.
Drawings
Fig. 1 is a block chain identity registration flowchart of an electronic business license application system and method based on a block chain according to the present invention;
FIG. 2 is a block chain identity verification flowchart of an electronic license application system and method based on a block chain according to the present invention;
FIG. 3 is a block chain signing flow chart of declared material for a block chain based electronic license application system and method of the present invention;
FIG. 4 is a block chain based electronic business license application system and method for an electronic declaration material verification approval flowchart;
FIG. 5 is a flow chart of the inter-enterprise contract signing process of the system and method for block chain based electronic license application;
fig. 6 is a flow chart of contract signing verification and re-signing for the block chain based electronic business license application system and method of 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.
Referring to fig. 1-6, an electronic business license application system and method based on a block chain includes the following steps,
s1, registration process of block chain identity of electronic business license: an enterprise enters a block chain client to generate a registered identity public key and a private key in a block chain, a signature interface of an electronic business license is called to sign the public key to form signature information A, the block chain client signs the signature information A by using the private key and then signs together with the public key and a plaintext of the electronic business license information to form signature information B, and the signature information B is stored in the block chain;
s2, checking the identity of the blockchain: the verifying party obtains the signature information A, the block chain public key of the verified enterprise and the signature information B, the enterprise public key is used for verifying the signature content, and if the verification fails, the verification fails; if the verification is successful, calling an electronic business license verification interface to verify the signature information A, if the verification is successful, the identity verification is successful, and the block chain identity is confirmed as the enterprise; if the block chain identity fails, the block chain identity is not verified;
s3, the signing flow of the declaration material block chain: the block chain client calls an electronic business license interface, and signs the file to be signed to form signature information C; signing the signature information C together with the clear text of the electronic business license information of the enterprise and the public key of the block chain identity again by using the private key of the block chain of the enterprise to form signature information D1, and storing the signature information D1 into the block chain; the signed file and the signature information C, D1 are submitted to an examination and approval department for examination and verification to complete the application;
s4, the process of electronic declaration of material checking and approval is as follows: the auditor blockchain client receives the declaration material and the signature information C, D1 submitted by the enterprise, the blockchain client calls the corresponding signature information D1 stored in the blockchain, signature verification is carried out by using the public key of the signed enterprise, and the audit verification is stopped if the signature fails; if the verification is successful, the electronic business license verification interface is called to verify the signature information C, if the verification is failed, the verification fails, and the process is ended; if the verification is successful, the verification is passed, and then the content verification is carried out; after the auditor examines, the auditor considers that the auditor can approve the auditor, the private key of the local gateway in the block chain is used for carrying out electronic signature on the declaration material, the signature information C, D1 and the public key of the local gateway to form signature information D2, the signature information D2 is stored in the block chain, and the examination and approval process is finished;
s5, contract signing flow among enterprises: the enterprise calls an electronic business license signature interface from contract electronic plaintext needing to be signed with each party of the contract to sign the plaintext to form signature information E1, and the block chain client signs the signature information E1 together with the contract plaintext to be signed and the public keys of the relevant parties to form signature information F1 by using the private key of the enterprise block chain; the signature information F1 is stored in the block chain, and simultaneously the signature information E1 and F1, the contract plaintext and the public keys of all parties are sent to the next contracting party;
s6, contract signing verification and re-signing process: after receiving a contract plaintext, the signature information E1 and F1 and the public keys of all parties, the block chain client of the contract receiver verifies the signature F1 by using the public key of the signing party, verifies the signature information E1 by calling an electronic business license interface, and terminates the verification if the verification fails; if the contract plaintext and the signature information F1 are signed correctly, an electronic business license interface is called to obtain signature information E2, a private key of the identity of the recipient blockchain is used for signing the signature information E2 together with the contract plaintext to be signed and the public keys of the relevant parties to form signature information F2, and the signature information F2 is stored in the blockchain; if the method is the last signing party, the contract signing is completed and the contract formally takes effect; if not, the signature information E2 and F2, the contract plaintext and the public keys of the parties are sent to the next subscriber, and the process is repeated.
In this embodiment, in S1, the signature information B is stored in the block chain and used as a certificate and legal evidence of the electronic identity of the enterprise in the block chain.
In this embodiment, in S6, after the contract recipient blockchain client receives the contract plaintext, the signature information E1, F1, E2, F2 and the public keys of the parties, if E1, F1, E2, and F2 are repeatedly entered, E2 and F2 are regarded as E1 and F1.
When the system is used, information such as evidences of electronic signing and data signing is stored in a block chain mode, the problems of evidence storage, legal dispute and the like generated in the application process of the electronic business license are solved at extremely low cost, and the system is convenient for high-credibility, low-cost and high-efficiency business transaction and administrative examination and approval of government examination and approval departments, market subjects, third-party organs and the like and has very high popularization value.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. A block chain based electronic business license application method is characterized by comprising the following steps,
s1, registration process of block chain identity of electronic business license: an enterprise enters a block chain client to generate a registered identity public key and a private key in a block chain, a signature interface of an electronic business license is called to sign the public key to form signature information A, the block chain client signs the signature information A by using the private key and then signs together with the public key and a plaintext of the electronic business license information to form signature information B, and the signature information B is stored in the block chain;
s2, checking the identity of the blockchain: the verifying party obtains the signature information A, the block chain public key of the verified enterprise and the signature information B, the enterprise public key is used for verifying the signature content, and if the verification fails, the verification fails; if the verification is successful, calling an electronic business license verification interface to verify the signature information A, if the verification is successful, the identity verification is successful, and the block chain identity is confirmed as the enterprise; if the block chain identity fails, the block chain identity is not verified;
s3, the signing flow of the declaration material block chain: the block chain client calls an electronic business license interface, and signs the file to be signed to form signature information C; signing the signature information C together with the clear text of the electronic business license information of the enterprise and the public key of the block chain identity again by using the private key of the block chain of the enterprise to form signature information D1, and storing the signature information D1 into the block chain; the signed file and the signature information C, D1 are submitted to an examination and approval department for examination and verification to complete the application;
s4, the process of electronic declaration of material checking and approval is as follows: the auditor blockchain client receives the declaration material and the signature information C, D1 submitted by the enterprise, the blockchain client calls the corresponding signature information D1 stored in the blockchain, signature verification is carried out by using the public key of the signed enterprise, and the audit verification is stopped if the signature fails; if the verification is successful, the electronic business license verification interface is called to verify the signature information C, if the verification is failed, the verification fails, and the process is ended; if the verification is successful, the verification is passed, and then the content verification is carried out; after the auditor examines, the auditor considers that the auditor can approve the auditor, the private key of the local gateway in the block chain is used for carrying out electronic signature on the declaration material, the signature information C, D1 and the public key of the local gateway to form signature information D2, the signature information D2 is stored in the block chain, and the examination and approval process is finished;
s5, contract signing flow among enterprises: the enterprise calls an electronic business license signature interface from contract electronic plaintext needing to be signed with each party of the contract to sign the plaintext to form signature information E1, and the block chain client signs the signature information E1 together with the contract plaintext to be signed and the public keys of the relevant parties to form signature information F1 by using the private key of the enterprise block chain; the signature information F1 is stored in the block chain, and simultaneously the signature information E1 and F1, the contract plaintext and the public keys of all parties are sent to the next contracting party;
s6, contract signing verification and re-signing process: after receiving a contract plaintext, the signature information E1 and F1 and the public keys of all parties, the block chain client of the contract receiver verifies the signature F1 by using the public key of the signing party, verifies the signature information E1 by calling an electronic business license interface, and terminates the verification if the verification fails; if the contract plaintext and the signature information F1 are signed correctly, an electronic business license interface is called to obtain signature information E2, a private key of the identity of the recipient blockchain is used for signing the signature information E2 together with the contract plaintext to be signed and the public keys of the relevant parties to form signature information F2, and the signature information F2 is stored in the blockchain; if the method is the last signing party, the contract signing is completed and the contract formally takes effect; if not, the signature information E2 and F2, the contract plaintext and the public keys of the parties are sent to the next subscriber, and the process is repeated.
2. The method for applying block chain-based electronic business licenses of claim 1, wherein in S1, the signature information B is stored in the block chain as a certificate and legal evidence of the electronic identity of the enterprise in the block chain.
3. The method as claimed in claim 1, wherein in S6, after the contract recipient blockchain client receives the contract plaintext, the signature information E1, F1, E2, F2 and the public keys of each party, E2 and F2 are regarded as E1 and F1 if E1 and F1 are repeated with E2 and F2.
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| CN111080295B (en) * | 2019-12-04 | 2024-04-09 | 腾讯科技（深圳）有限公司 | Electronic contract processing method and device based on blockchain |
| 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 |
| CN111541549B (en) * | 2020-05-06 | 2022-01-14 | 深圳天玑数据有限公司 | Block chain based information transfer method, device, equipment and storage medium |
| CN112001701A (en) * | 2020-08-24 | 2020-11-27 | 北京海益同展信息科技有限公司 | Method and apparatus for managing business license |
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| CN114792270B (en) * | 2022-06-27 | 2022-09-23 | 浙江数秦科技有限公司 | Loan contract online signing system based on block chain |
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