CN111898991A - Block chain-based official seal management method and system - Google Patents
Block chain-based official seal management method and system Download PDFInfo
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
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Abstract
The invention provides a block chain-based official seal management method and system, and relates to the field of block chains. A block chain-based official seal management method comprises the steps of verifying first user and company information; the first user specifies a corporate user; a first user uploads a contract file to a block chain storage server; storing the hash value of the contract file subjected to the digital signature on a block chain; a first user designates a company to be stamped; after the seal company confirms the contract document, the contract document is approved and the approval is digitally signed. The block chain technology is combined, timeliness is achieved, the notarization platform can timely notarize data, the problems that the signing and authenticating process of the current online contract is complex, the preparation materials are large in amount and the time is long are solved, the contract authenticating efficiency is improved, and the block chain technology is safer and more reliable. The invention also provides a block chain-based official seal management system which comprises a verification module, a first designation module, an uploading module, a storage module, a second designation module and a signature module.
Description
Technical Field
The invention relates to the field of block chains, in particular to a block chain-based official seal management method and system.
Background
The official seal refers to a seal used by organs, groups, enterprises and institutions. Since the procedure of handling the engraved seal is not uniformly regulated by the police department, the procedures of the engraved seal are regulated differently by the police authorities in various regions. The procedures are different according to different types of engraved seals.
In the prior art, official seals are generally kept by a specially-assigned person, if seal application is needed, the official seals need to be queued to a specified place for processing seal after seal application and authorization are obtained, the efficiency is low, in addition, whether the official seals are covered privately or not and the number of covered official seals cannot be confirmed, so that the management is inconvenient.
The current contract authentication generally adopts a face-to-face notarization process, needs related departments to handle notarization services, has the disadvantages of complicated procedures, low processing efficiency, higher cost, difficult notarization acquisition of each department and the like, and has a blank period of right confirmation when the notarization application is completed in the stage of the notarization handling, thereby giving lawbreakers the opportunity to infringe.
Disclosure of Invention
The invention aims to provide a block chain-based official seal management method, which can be combined with a block chain technology, has timeliness, can enable an official seal platform to timely obtain official seal data, solves the problems of complicated authentication process, more preparation materials, long time consumption and the like of current online contract signing, improves contract authentication efficiency, and is safer and more reliable.
Another object of the present invention is to provide a block chain-based official seal management system, which can operate a block chain-based official seal management method.
The embodiment of the invention is realized by the following steps:
in a first aspect, an embodiment of the present application provides a block chain-based official seal management method, which includes the following steps of verifying first user and company information; the first user specifies a corporate user; a first user uploads a contract file to a block chain storage server; storing the hash value of the contract file subjected to the digital signature on a block chain; a first user designates a company to be stamped; after the seal company confirms the contract document, the contract document is approved and the approval is digitally signed.
In some embodiments of the present invention, the verifying the first user and the company information further comprises creating a respective key pair and address for each user entering the system by using the blockchain official seal system.
In some embodiments of the present invention, the above further comprises encrypting the private key by AES and storing locally.
In some embodiments of the present invention, before verifying the first user and company information, the method further includes binding the user mobile phone number with the user address through the mobile phone number and the mobile phone verification code provided by the user.
In some embodiments of the present invention, the verifying the first user and the company information includes the first user logging in the blockchain official seal system and providing the name and the identity information of the first user.
In some embodiments of the present invention, the method further includes verifying the name and the identity information through the API, and if the verification is successful, binding the name and the identity information with the legal address.
In some embodiments of the present invention, the method further includes obtaining company information owned by the legal person through the API, comparing the company information with company information newly provided by the legal person, and if the company information is successfully provided by the legal person, binding the company information with the address of the legal person.
In some embodiments of the present invention, the company to be sealed uploads the contract document signed by both sides to the decentralized document storage system, writes the hash value of the document into the block chain through the digital signature, and seals the block chain with a timestamp.
In a second aspect, an embodiment of the present application provides a block chain-based official seal management system, which includes a verification module, configured to verify first user and company information; the first appointing module is used for appointing a company user by a first user; the uploading module is used for the first user to upload the contract file to the block chain storage server; the storage module is used for storing the hash value of the contract file subjected to the digital signature on the block chain; the second appoints the module, is used for the first user appoints the firm to be stamped; and the signature module is used for representing approval after the contract document is confirmed by the company to be stamped and digitally signing the approval.
In some embodiments of the invention, the above includes at least one memory for storing computer instructions; at least one processor in communication with the memory, wherein the at least one processor, when executing the computer instructions, causes the system to perform: the device comprises a verification module, a first designation module, an uploading module, a storage module, a second designation module and a signature module.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
by combining the block chain technology, the storage mode that the operation is irreversible and the information cannot be tampered is carried out through the cloud end of the underlying block chain, a public and safe operation account book is maintained, the block chain technology has timeliness, the notarization platform can timely notarization data can be obtained, the problems that the current online contract signing authentication process is complex, the number of prepared materials is large, the cost time is long and the like are solved, the contract authentication efficiency is improved, and the method is safer and more reliable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram illustrating steps of a block chain-based official seal management method according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating detailed steps of a block chain-based official seal management method according to an embodiment of the present invention;
fig. 3 is a schematic block chain-based official seal management system module according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the individual features of the embodiments can be combined with one another without conflict.
Example 1
Referring to fig. 1, fig. 1 is a schematic diagram illustrating steps of a block chain-based official seal management method according to an embodiment of the present invention, as follows:
step S100, verifying the information of the first user and the company;
specifically, the first user is a user using a blockchain official seal system, and includes a legal person and a company employee, and the company information is information of a company corresponding to the first user.
In some embodiments, the blockchain official seal system starts to verify information of a user entering the system, where the verified information may be corporate information, corporate employee information, basic information of a company, and the like, for example, to confirm real information of the user, such as an individual, a name to be verified, an identification number, a mailbox, a mobile phone number, and the like, and to set a necessary verification item according to actual conditions. For example, a company needs to verify the name of the company, corporate information (real-name living body verification), organization codes, contact information, an authorizer, and the like, and necessary verification items are set according to actual conditions.
Step S110, the first user designates a company user;
specifically, the company user designates some mobile phone numbers bound in the blockchain official seal system for the first user through the blockchain official seal system, which indicates that the user who owns the mobile phone numbers generates an association relationship with the company of the first user. The first user and the user with the stamping authority in the company user can stamp the same.
Step S120, the first user uploads a contract file to a block chain storage server;
specifically, the first user uploads an electronic contract file which needs to be digitally signed to the blockchain storage server.
In some embodiments, a corporate legal person uploads an electronic contract document that needs to be digitally signed to a blockchain storage server; and uploading the electronic contract file needing to be digitally signed to the blockchain storage server by the company staff.
Step S130, storing the hash value of the contract file subjected to the digital signature on a block chain;
specifically, the first user stores the hash value of the electronic contract file which needs to be digitally signed on the block chain after the digital signature.
In some embodiments, the first user performs a hash operation on the electronic contract document to be digitally signed to obtain a hash value, stamps a timestamp, extracts the document digest, the real information of a signer, the latitude and longitude of the stamp and other information, and embeds the extracted information into the block chain by generating a random number.
Step S140, the first user designates a company to be sealed;
in some embodiments, the first user sends the electronic contract document with the electronic official seal (digital signature) added to the company to be sealed, and the electronic contract document is always stored in the blockchain storage server.
Step S150, the company to be sealed confirms the contract document and then shows approval and digitally signs the approval.
In some embodiments, after receiving a message that a first user has finished stamping an electronic contract file with an electronic official seal (digital signature), a company to be stamped continues to stamp its own electronic official seal (digital signature) on the file after the company to be stamped has been subjected to living body authentication to obtain a corresponding right, and confirms that the electronic contract file is correct, and after having stamped the electronic official seal (digital signature), sends the file with the electronic official seal finished by both parties to the first user, and at the same time, performs hash operation on the electronic contract file with the electronic official seal (digital signature) stamped by both parties to obtain a hash value, and stamps a time stamp, extracts the file digest, the true information of signers of both parties, the latitude and longitude information of the stamps stamped by both parties, and embeds the hash value into a block chain by generating a random number. The first user may also set to send a copy of the file to the other party, who may store it on their own for internal or personal administration.
Example 2
Referring to fig. 2, fig. 2 is a detailed step diagram of a block chain-based official seal management method according to an embodiment of the present invention, as follows:
step 200, the block chain common seal system creates a respective key pair and address for each user entering;
specifically, whenever a new user enters the blockchain official seal system, the blockchain official seal system creates a key pair and an address for the new user, wherein the key pair is a key pair in asymmetric cryptography and comprises a private key and a public key.
Step 210, encrypting the private key by AES and storing the private key locally;
in some embodiments, the blockchain official seal system prompts the new user to enter a string of random characters as a password before the private key is saved, the random characters may or may not be word number limited, e.g., 4 bits, 6 bits, or no limit; either alphanumeric or pure alphanumeric, such as "123456", "zxc 123", "zxcvbnm", etc.; and encrypting the private key by combining a symmetric encryption algorithm AES. The encrypted private key may be stored in the user's local browser.
Step 220, binding the mobile phone number of the user with the user address through the mobile phone number and the mobile phone verification code provided by the user;
specifically, the blockchain official seal system binds the mobile phone number of the new user and the address of the new user through the mobile phone number and the mobile phone verification code provided by the new user.
Step 230, the first user logs in the blockchain official seal system and provides the name and identity information of the first user;
in some embodiments, an enterprise legal person logs in to the blockchain official seal system and provides the legal person's name and identity information; the company staff logs in the block chain official seal system and provides the name and identity information of the staff.
Step 240, verifying the name and the identity information through the API, and binding the name and the identity information with the legal address if the verification is successful;
specifically, the blockchain official seal system uses the API provided by the airy cloud to verify the name and identification number. If successful, the blockchain official seal system will bind the name and identification number with the address of the legal person.
In some embodiments, the block chain official seal system uses an API provided by the airy cloud to verify the name and the identification number of the user a, the output result is that the verification is successful, and after the API is successfully called, besides returning data, the block chain official seal system also includes a personal status code, and the processing is successful and returns 2XX, at this time, the block chain official seal system binds the name and the identification number of the user a with a pre-stored legal person address, for example, the legal person address is "XX XXX number in XXX area of XX city".
Step 250, obtaining company information owned by a legal person through API, and comparing the company information with company information newly provided by the legal person;
specifically, the company information owned by the legal person is acquired through the API, and is compared with the company information provided by the legal person, if the comparison is successful, the step S260 is performed, and if the comparison is unsuccessful, the step S270 is performed
Step 260, binding the company information with the legal address;
specifically, the newly provided company information is bound with a pre-stored legal person address, and uploaded to the block chain storage server.
Step 270, reporting an error;
in some embodiments, if the API does not call successfully, an error code is returned. The server error code is 5XX, indicating that the service is not available, and the client error code is 4XX, indicating that the service has failed. In this case, the service type errors generally include a parameter error, a signature error, a request mode error, or a traffic class error limited by a flow control.
Step 280, the first user designates a corporate user;
specifically, the company user designates some mobile phone numbers bound in the blockchain official seal system for the first user through the blockchain official seal system, which indicates that the user who owns the mobile phone numbers generates an association relationship with the company of the first user.
specifically, the first user uploads an electronic contract file which needs to be digitally signed to the blockchain storage server.
In some embodiments, a corporate legal person uploads an electronic contract document that needs to be digitally signed to a blockchain storage server; and uploading the electronic contract file needing to be digitally signed to the blockchain storage server by the company staff.
Step 300, storing the hash value of the contract file subjected to the digital signature on a block chain;
specifically, the first user stores the hash value of the electronic contract file which needs to be digitally signed on the block chain after the digital signature.
In some embodiments, the first user performs a hash operation on the electronic contract document to be digitally signed to obtain a hash value, stamps a timestamp, extracts the document digest, the real information of a signer, the latitude and longitude of the stamp and other information, and embeds the extracted information into the block chain by generating a random number.
Step 310, a first user designates a company to be sealed;
in some embodiments, the first user sends the electronic contract document with the electronic official seal (digital signature) added to the company to be sealed, and the electronic contract document is always stored in the blockchain storage server.
Step 320, after the seal company confirms the contract document, the contract document is approved and the approval is digitally signed;
in some embodiments, after receiving a message that a first user has finished stamping an electronic contract file with an electronic official seal (digital signature), a company to be stamped continues to stamp its own electronic official seal (digital signature) on the file after the company to be stamped has been subjected to living body authentication to obtain a corresponding right, and confirms that the electronic contract file is correct, and after having stamped the electronic official seal (digital signature), sends the file with the electronic official seal finished by both parties to the first user, and at the same time, performs hash operation on the electronic contract file with the electronic official seal (digital signature) stamped by both parties to obtain a hash value, and stamps a time stamp, extracts the file digest, the true information of signers of both parties, the latitude and longitude information of the stamps stamped by both parties, and embeds the hash value into a block chain by generating a random number. The first user may also set to send a copy of the file to the other party, who may store it on their own for internal or personal administration.
specifically, the company to be sealed uploads the contract file which is sealed by both sides to the decentralized file storage system, writes the hash value of the file into the block chain through digital signature, and seals the block chain with a timestamp. The hash value may be generated using a variety of algorithms. Including SHA-1, SHA256, and BLAKE2, among others.
Example 3
Referring to fig. 3, fig. 3 is a schematic diagram of a block chain-based official seal management system module according to an embodiment of the present invention, which includes a verification module for verifying information of a first user and a company; the first appointing module is used for appointing a company user by a first user; the uploading module is used for the first user to upload the contract file to the block chain storage server; the storage module is used for storing the hash value of the contract file subjected to the digital signature on the block chain; the second appoints the module, is used for the first user appoints the firm to be stamped; and the signature module is used for representing approval after the contract document is confirmed by the company to be stamped and digitally signing the approval.
Also included are a memory, a processor, and a communication interface, which are electrically connected, directly or indirectly, to each other to enable transmission or interaction of data. For example, the components may be electrically connected to each other via one or more communication buses or signal lines. The memory may be used to store software programs and modules, and the processor may execute various functional applications and data processing by executing the software programs and modules stored in the memory. The communication interface may be used for communicating signaling or data with other node devices.
The Memory may be, but is not limited to, a Random Access Memory (RAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Read-Only Memory (EPROM), an electrically Erasable Read-Only Memory (EEPROM), and the like.
The processor may be an integrated circuit chip having signal processing capabilities. The processor 102 may be a general-purpose processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In summary, according to the official seal management method and system based on the block chain provided by the embodiment of the application, by combining the block chain technology, the storage mode that the operation is irreversible and the information cannot be falsified is performed through the bottom layer block chain cloud, so that a public and safe operation account book is facilitated to be maintained.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A block chain-based official seal management method is characterized by comprising the following steps:
verifying the first user and company information;
the first user specifies a corporate user;
a first user uploads a contract file to a block chain storage server;
storing the hash value of the contract file subjected to the digital signature on a block chain;
a first user designates a company to be stamped;
after the seal company confirms the contract document, the contract document is approved and the approval is digitally signed.
2. The block chain-based official seal management method according to claim 1, further comprising, before said verifying the first user and company information:
the blockchain official seal system creates a separate key pair and address for each user that enters.
3. The block chain-based official seal management method according to claim 2, further comprising:
the private key is encrypted by AES and stored locally.
4. The block chain-based official seal management method according to claim 1, further comprising, before said verifying the first user and company information:
and binding the mobile phone number of the user with the user address through the mobile phone number and the mobile phone verification code provided by the user.
5. The block chain-based official seal management method according to claim 1, wherein verifying the first user and company information comprises:
the first user logs in the blockchain official seal system and provides the name and identity information of the first user.
6. The block chain-based official seal management method according to claim 5, further comprising:
and verifying the name and the identity information through the API, and binding the name and the identity information with the legal address if the verification is successful.
7. The block chain-based official seal management method according to claim 6, further comprising:
and acquiring company information owned by the legal person through the API, comparing the company information with the company information newly provided by the legal person, and binding the company information with the address of the legal person if the company information is successful.
8. The block chain-based official seal management method according to claim 1, wherein said company to be stamped, after confirming the contract document, represents approval and digitally signs the approval, comprises:
and uploading the contract file signed by the two parties to a decentralized file storage system by the company to be signed, writing the hash value of the file into the block chain through digital signature, and stamping a time stamp.
9. A block chain-based official seal management system, comprising:
the verification module is used for verifying the information of the first user and the company;
the first appointing module is used for appointing a company user by a first user;
the uploading module is used for the first user to upload the contract file to the block chain storage server;
the storage module is used for storing the hash value of the contract file subjected to the digital signature on the block chain;
the second appoints the module, is used for the first user appoints the firm to be stamped;
and the signature module is used for representing approval after the contract document is confirmed by the company to be stamped and digitally signing the approval.
10. The block chain-based official seal management system according to claim 9, comprising:
at least one memory for storing computer instructions;
at least one processor in communication with the memory, wherein the at least one processor, when executing the computer instructions, causes the system to perform: the device comprises a verification module, a first designation module, an uploading module, a storage module, a second designation module and a signature module.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112508564A (en) * | 2020-12-01 | 2021-03-16 | 浙商银行股份有限公司 | Block chain based seal use management method, electronic equipment and storage medium |
| CN112668989A (en) * | 2020-12-11 | 2021-04-16 | 浙江数秦科技有限公司 | Electronic contract signing method based on block chain technology |
| CN113411184A (en) * | 2021-05-31 | 2021-09-17 | 胡金钱 | Integrated management terminal device and integrated management method |
| CN113469657A (en) * | 2021-07-12 | 2021-10-01 | 支付宝(杭州)信息技术有限公司 | Block chain-based physical seal using method and device and electronic equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110287732A (en) * | 2019-05-15 | 2019-09-27 | 杭州趣链科技有限公司 | One kind depositing card method based on block chain electronic contract |
-
2020
- 2020-08-03 CN CN202010768638.5A patent/CN111898991A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110287732A (en) * | 2019-05-15 | 2019-09-27 | 杭州趣链科技有限公司 | One kind depositing card method based on block chain electronic contract |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112508564A (en) * | 2020-12-01 | 2021-03-16 | 浙商银行股份有限公司 | Block chain based seal use management method, electronic equipment and storage medium |
| CN112508564B (en) * | 2020-12-01 | 2024-04-16 | 浙商银行股份有限公司 | Seal use management method based on block chain, electronic equipment and storage medium |
| CN112668989A (en) * | 2020-12-11 | 2021-04-16 | 浙江数秦科技有限公司 | Electronic contract signing method based on block chain technology |
| CN112668989B (en) * | 2020-12-11 | 2024-04-16 | 浙江数秦科技有限公司 | Electronic contract signing method based on blockchain technology |
| CN113411184A (en) * | 2021-05-31 | 2021-09-17 | 胡金钱 | Integrated management terminal device and integrated management method |
| CN113411184B (en) * | 2021-05-31 | 2022-06-14 | 胡金钱 | Integrated management terminal device and integrated management method |
| WO2022252983A1 (en) * | 2021-05-31 | 2022-12-08 | 胡金钱 | Integrated management terminal apparatus and integrated management method |
| CN113469657A (en) * | 2021-07-12 | 2021-10-01 | 支付宝(杭州)信息技术有限公司 | Block chain-based physical seal using method and device and electronic equipment |
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