CN114969786A - Block chain-based insurance function data processing method, node and system - Google Patents
Block chain-based insurance function data processing method, node and system Download PDFInfo
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Abstract
The invention relates to the technical field of electronic guarantee, and particularly discloses a block chain-based insurance data processing system, which comprises: the trading platform is used for issuing project bid information and is divided into product bid, service bid and engineering bid, and the trading platform is connected with a first node of a block chain center; the project library module is used for pulling bidding projects and marking section information from the trading platform every day at regular time and storing the bidding projects and the marking section information into a local project library; the system comprises an enterprise information exchange module, a module management module and a module management module, wherein an enterprise is registered as an electronic guarantee letter platform user through the enterprise information exchange module, and the enterprise information exchange module is connected with a second node of a block chain center; the electronic guarantee letter module is used for an enterprise to select a bidding target section to be bid and submit an electronic guarantee letter application, and the electronic guarantee letter module is connected with a third node in the block chain center; the encryption module is used for receiving information of a first node, a second node and a third node in the center of the block chain.
Description
Technical Field
The invention relates to the technical field of electronic insurance, in particular to a block chain-based insurance data processing method, a node and a system.
Background
The block chain is a chain formed by blocks. Each block holds certain information, which are linked in a chain according to a respective generated time sequence. This chain is maintained in all servers, and as long as one server can work in the entire system, the entire blockchain is secure. These servers, referred to as nodes in the blockchain system, provide storage space and computational support for the entire blockchain system. If the information in the block chain is to be modified, more than half of the nodes must be authenticated and the information in all the nodes must be modified, and the nodes are usually held in different hands of different subjects, so that the information in the block chain is extremely difficult to tamper with. Compared with the traditional network, the block chain has two core characteristics: data is difficult to tamper with and decentralized. An electronic guaranty is a product of information era, and like a paper insurance, a bank, an insurance company, a guaranty company or other guarantors opens an electronic guaranty certificate to beneficiaries on request of the policyholder, so that the guarantors fulfill certain payment or economic compensation responsibility within a certain amount of money and a certain time limit when the applicant fails to fulfill his or her responsibility or obligation according to the agreement between both parties.
The Chinese patent CN114155093A discloses an electronic insurance letter full-process management and risk management and control system based on a block chain, which comprises a block chain intelligent contract, an electronic insurance letter management platform and a credit risk evaluation module; the method comprises the steps that a user sends an application request to an electronic insurance policy management platform through a block chain intelligent contract, and after receiving the application request, the electronic insurance policy management platform calls a credit risk evaluation module to verify the identity of the corresponding user and judges whether the application request is within the credit risk safety level or not; and then returning the request which passes the credit risk assessment to the insurance letter issuing module, wherein the insurance letter issuing module is used for analyzing the received insurance application request and sequentially auditing and verifying the insurance application request according to the risk coefficient.
According to the scheme, the electronic insurance letter is encrypted and then distributed to the storage address specified by the electronic insurance letter management platform in the specified transmission mode, so that the electronic insurance letter is prevented from being tampered, but the storage mode is only common enterprise-level storage, and even if encryption processing is carried out, the electronic insurance letter is easy to be broken by hackers and is easy to be tampered.
Disclosure of Invention
The invention provides a block chain-based insurance data processing system which can make data difficult to be tampered.
In order to solve the technical problem, the present application provides the following technical solutions:
a block chain based functional data processing system, comprising,
the trading platform is used for issuing project bid information comprising product bid, service bid and engineering bid, and is connected with a first node of a block chain center;
the project library module is used for pulling project bid information from the trading platform regularly every day;
the enterprise information exchange module is used for enabling a user to register as an electronic insurance guarantee platform user, and the enterprise information exchange module is connected with a second node of the block chain center;
the electronic security guarantee module is used for an enterprise to submit electronic security guarantee application information and is connected with a third node in the center of the block chain;
the encryption module is used for receiving information of a first node, a second node and a third node of a block chain center, enabling the received information to be subjected to Hash encryption to obtain first encryption information, second encryption information, third encryption information, a first key, a second key and a third key, uploading all encryption information to the block chain center, and distributing the first key, the second key and the third key to the internal control of each node;
the system comprises a block chain center, a key acquisition unit and a block chain management unit, wherein the block chain center is used for receiving and storing encrypted information, and each node of the block chain center can input data obtained by the key and write, read and look up the information;
the basic scheme principle and the beneficial effects are as follows: the transaction platform, the electronic security function module and the enterprise information exchange module are connected to a node of a block chain center, the transaction platform carries out Hash encryption on received information through an encryption module to generate first encryption information and a first secret key and transmits the first encryption information and the first secret key to the electronic security function platform, the first encryption information comprises mark section information selected by an enterprise, the enterprise submits an electronic security function application through the enterprise information exchange module, the encryption module carries out Hash encryption on the electronic security function application to generate second encryption information and a second secret key, the electronic security function module receives the first encryption information, the first secret key, the second encryption information and the second secret key, opens the electronic security function application through inputting the second secret key and refers to the electronic security function application information, checks the mark section information selected by the enterprise through inputting the first secret key, and judges whether the enterprise information and the mark section information selected by the enterprise are valid or not, after the validity is confirmed, the enterprise confirms the charging standard, and the electronic guarantee function module generates third encryption information and a third key, wherein the third encryption information comprises the electronic contract content and the charging standard; and the enterprise information exchange module receives the third encrypted information and the third key, consults the electronic contract and the charging standard by inputting the third key, signs the electronic contract and pays the security fee on line after confirming that the information is correct, and then generates the electronic security letter.
The invention effectively prevents the information from being tampered by carrying out hash encryption on the information of each node through the encryption module, and the electronic insurance policy platform information, the enterprise information and the key information of the transaction platform are respectively stored on three different nodes of the block chain, so that the information tampering to be integrally carried out is difficult, and the safety of the signing of the electronic insurance policy and the security of the transaction process are ensured.
Further, the center of the block chain is a dedicated chain, and only authorized nodes can write, read and refer information. Because the insurance data relates to the fields of insurance and finance, the writing-in and reading authorities of all nodes can be collected and internally controlled by adopting a special chain, only authorized nodes have the authority to look up the data on the chain, and the authorized nodes have unique and safe keys, so that the privacy guarantee and the safety are higher.
And further, the system also comprises an authorization module, wherein the authorization module is used for auditing the identity information of each node user. The authorization module is arranged to verify the identity information of the user so as to judge whether the user is reliable or not and avoid information stealing.
Further, the key generated by the encryption module through hash encryption can be divided into a public key and a private key, the public key is issued to be visible to all node users, the public key is used for encrypting information, and the private key is used for decrypting information. The public key and the private key are arranged to further strengthen the confidentiality degree of the information transmission process.
Further, when the enterprise registers as the user of the electronic insurance premium platform through the enterprise information exchange module, enterprise information, a business license, legal information and contact information need to be submitted. Whether the enterprise meets the requirement of applying for the electronic guarantee letter can be preliminarily judged according to the related information submitted by the enterprise.
Further, the system also comprises a mobile terminal module, and enterprises can submit electronic insurance coverage applications through the mobile terminal module. Set up and remove the end module and can make the enterprise more convenient when carrying out the application of electron letter, be favorable to improving work efficiency.
Further, in the insurance data processing method based on the block chain, the transaction platform, the electronic insurance policy module and the enterprise information exchange module are connected to a node of the block chain center;
the transaction platform carries out Hash encryption on the received information through an encryption module to generate first encryption information and a first secret key, and transmits the first encryption information and the first secret key to the electronic guarantee letter platform, wherein the first encryption information comprises mark section information selected by enterprises;
an enterprise submits an electronic insurance letter application through an enterprise information exchange module, and an encryption module carries out Hash encryption on the electronic insurance letter application to generate second encryption information and a second secret key;
the electronic guarantee letter module receives the first encryption information, the first key, the second encryption information and the second key, opens the electronic guarantee letter application and refers to the electronic guarantee letter application information by inputting the second key, checks the mark section information selected by the enterprise by inputting the first key, judges whether the enterprise information and the mark section information selected by the enterprise are valid, and confirms the charging standard by the enterprise after determining that the enterprise is valid; the electronic guarantee letter module generates third encrypted information and a third key, wherein the third encrypted information comprises electronic contract content and charging standard;
and the enterprise information exchange module receives the third encrypted information and the third key, consults the electronic contract and the charging standard by inputting the third key, signs the electronic contract and pays the security fee on line after confirming that the information is correct, and then generates the electronic security letter.
And one stroke, including the block chain central node, the block chain central node at least includes the first node, the second node and the third node, sets up at least three nodes and encrypts the nodes, can effectively prevent information from being tampered with.
Drawings
Fig. 1 is a logic block diagram of a first embodiment of a block chain-based insurance data system according to the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
example one
The insurance letter data processing system based on the block chain comprises a trading platform, wherein the trading platform is used for issuing project bid and tender information and is divided into product bid, service bid and engineering bid, and the trading platform is connected with a first node in the center of the block chain; the system also comprises an item library module, wherein the item library module is used for pulling the bidding items and the marking section information from the trading platform every day at regular time and storing the bidding items and the marking section information into a local item library; the enterprise information exchange module is used for registering an enterprise as an electronic insurance guarantee platform user, and the enterprise information exchange module is connected with a second node of the block chain center; the electronic guarantee letter module is used for the enterprise to select the bidding target section to be bid and submit the electronic guarantee letter application, and the electronic guarantee letter module is connected with a third node in the block chain center; the encryption module is used for receiving information of a first node, a second node and a third node of a blockchain center, enabling the received information to be subjected to Hash encryption to obtain first encrypted information, second encrypted information, third encrypted information, a first key, a second key and a third key, uploading all the encrypted information to the blockchain center, distributing the first key, the second key and the third key to each node for internal control, dividing the keys generated by the encryption module through Hash encryption into a public key and a private key, issuing the public key to be visible to all node users, using the public key for encrypting the information, using the private key for decrypting the information, setting the secrecy degree of the public key and the private key for further enhancing the information transmission process, adopting an SHA-256 algorithm as the encryption module of the system, compared with a 128-bit MD4 algorithm, an MD5 algorithm and a 160-bit SHA-1 algorithm, adopting more-bit output of the SHA-256 algorithm means greater difficulty in decryption, the safety is higher.
When an enterprise registers as an electronic security insurance platform user, enterprise information, a business license, legal information and contact information need to be submitted, the system can preliminarily judge whether the enterprise meets the requirement of applying for the electronic security insurance according to relevant information submitted by the enterprise, the system also comprises a mobile terminal module, the enterprise can submit an electronic security insurance application through the mobile terminal module, the mobile terminal module is arranged to enable the enterprise to be more convenient and fast in applying for the electronic security insurance, the work efficiency is improved, importantly, the mobile terminal module can realize face recognition, living body detection and mobile phone shield enhancement of transaction safety, and a block chain center node of the system at least comprises a first node, a second node and a third node, at least three nodes are arranged and encrypted, and the information can be effectively prevented from being tampered.
The system comprises a block chain center, a key acquisition unit and a block chain management unit, wherein the block chain center is used for receiving and storing encrypted information, and each node of the block chain center can input data obtained by the key and write, read and look up the information; the block chain center of the system adopts distributed data storage, the distributed storage technology cuts data and stores the data in different computers, and the data security is further ensured.
The system execution process comprises the following steps:
s1, connecting the trading platform, the electronic guarantee letter module and the enterprise information exchange module to a node of a block chain center;
s2, the transaction platform carries out hash encryption on the received information through an encryption module to generate first encryption information and a first key, and transmits the first encryption information and the first key to the electronic guarantee letter platform, wherein the first encryption information comprises mark segment information selected by enterprises;
s3, the enterprise submits an electronic insurance application through the enterprise information exchange module, and the encryption module performs hash encryption on the electronic insurance application to generate second encryption information and a second key;
s4, the electronic guarantee letter module receives the first encryption information, the first key, the second encryption information and the second key, opens the electronic guarantee letter application by inputting the second key and consults the electronic guarantee letter application information, checks the mark section information selected by the enterprise by inputting the first key, judges whether the enterprise information and the mark section information selected by the enterprise are valid, and confirms the charging standard by the enterprise after determining that the information and the mark section information are valid; the electronic bond module generates third encryption information and a third key, wherein the third encryption information comprises electronic contract content and charging standard;
and S5, the enterprise information exchange module receives the third encrypted information and the third key, consults the electronic contract and the charging standard by inputting the third key, signs the electronic contract and pays the guarantee fee on line after confirming that the information is correct, and then generates the electronic guarantee letter.
The specific implementation process comprises the following steps: firstly, a transaction platform, an electronic security guarantee module and an enterprise information communication module are accessed to a node of a block chain center, the transaction platform carries out Hash encryption on received information through an encryption module to generate first encryption information and a first secret key and transmits the first encryption information and the first secret key to the electronic security guarantee platform, the first encryption information comprises mark section information selected by enterprises, the enterprises submit electronic security guarantee applications through the enterprise information communication module, the encryption module carries out Hash encryption on the electronic security guarantee applications to generate second encryption information and a second secret key, the electronic security guarantee module receives the first encryption information, the first secret key, the second encryption information and the second secret key, opens the electronic security guarantee applications and consults the electronic security guarantee application information through inputting the second secret key, checks the mark section information selected by the enterprises through inputting the first secret key, and judges whether the enterprise information and the mark section information selected by the enterprises are effective, after the validity is determined, the enterprise confirms the charging standard, and then the electronic security function module generates third encryption information and a third key, wherein the third encryption information comprises the content of the electronic contract and the charging standard; and the enterprise information exchange module receives the third encrypted information and the third key, consults the electronic contract and the charging standard by inputting the third key, signs the electronic contract and pays the security fee on line after confirming that the information is correct, and then generates the electronic security letter.
The information of each node is subjected to Hash encryption through the encryption module, so that the information is effectively prevented from being tampered, and the electronic insurance policy platform information, the enterprise information and the key information of the transaction platform are respectively stored on three different nodes of the block chain, so that the information tampering to be integrally carried out is difficult, and the safety of the electronic insurance policy signing and transaction process is ensured; meanwhile, the key generated by the encryption module can be divided into a public key and a private key, the public key is issued to be visible to all node users, the public key is used for encrypting information, and the private key is used for decrypting the information, so that the information confidentiality degree is further enhanced.
Example two
The difference between the present embodiment and the first embodiment is that the present embodiment further includes: MAC/IP address positioning module and prompting module
The MAC/IP address positioning module is used for recording an MAC address and an IP address when an enterprise account logs in an electronic security system, setting the MAC address and the IP address which are logged in for the first time as a common MAC address and a common IP address, comparing the MAC address and the IP address which are logged in for a subsequent enterprise account with the common MAC address and the IP address, and if the two MAC addresses are consistent and the two IP addresses are different, indicating that the enterprise IP address is tampered to generate prompt information I; if the two MAC addresses are not consistent and the two IP addresses are the same, the enterprise MAC address is embezzled, and prompt information II is generated; if the two MAC addresses and the two IP addresses are not consistent and the stealing risk is extremely high, generating a prompt message III; and if the two MAC addresses and the two IP addresses are consistent, entering a normal approval process.
The prompting module is used for receiving the prompting information received by the MAC/IP address positioning module, if the prompting information I is received, a first prompting short message is sent to the enterprise, the first prompting short message comprises a solving way, and the solving way is to reset the proxy setting of the intelligent terminal or change the dynamic IP of the intelligent terminal into the static IP; if the second prompt message is received, sending a second prompt message to the enterprise, wherein the second prompt message comprises a risk removal network address, and after the risk removal network address is received and the operation of pressing the address information by the user for a long time is received, removing the risk and normally entering an approval process; and if the third prompt message is received, sending a third prompt message to the enterprise, wherein the third prompt message comprises early warning information and a one-key alarm network address, the early warning information prompts that the risk of stealing the MAC address and the IP address of the enterprise is extremely high, and an alarm call can be made by pressing the one-key alarm network address.
The method can further improve the safety of the enterprise account, and set various prompt short messages to guide the enterprise user to process different conditions, so that the user experience can be effectively improved under the condition of ensuring the safety of the enterprise account.
The above are merely examples of the present invention, and the present invention is not limited to the field related to this embodiment, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art can know all the common technical knowledge in the technical field before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the scheme, and some typical known structures or known methods should not become barriers to the implementation of the present invention by those skilled in the art in light of the teaching provided in the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. A block chain-based insurance data processing system is characterized by comprising:
the trading platform is used for issuing project bid information and is divided into product bid, service bid and engineering bid, and the trading platform is connected with a first node of a block chain center;
the project library module is used for pulling project bid information from the trading platform regularly every day;
the system comprises an enterprise information exchange module, a module management module and a module management module, wherein an enterprise is registered as an electronic guarantee letter platform user through the enterprise information exchange module, and the enterprise information exchange module is connected with a second node of a block chain center;
the electronic security guarantee module is used for an enterprise to submit electronic security guarantee application information and is connected with a third node in the center of the block chain;
the encryption module is used for receiving information of a first node, a second node and a third node of a block chain center, enabling the received information to be subjected to Hash encryption to obtain first encryption information, second encryption information, third encryption information, a first key, a second key and a third key, uploading all encryption information to the block chain center, and distributing the first key, the second key and the third key to the internal control of each node;
and each node of the block chain center can input data obtained by the key through the key, and write, read and look up the information.
2. The blockchain-based insurance data processing system of claim 1 wherein the blockchain center is a private chain to which authorized nodes can write, read and review information.
3. The block chain-based insurance data processing system of claim 1, further comprising an authorization module for auditing identity information of respective node users.
4. The blockchain-based insurance data processing system according to claim 1, wherein the key generated by the encryption module through hash encryption is divided into a public key and a private key, the public key is visible to all node users, the public key is used for encrypting information, and the private key is used for decrypting information.
5. The system according to claim 1, further comprising a node update module, connected to each node, for obtaining an update request and information update content when node information needs to be updated.
6. The block chain based insurance data processing system of claim 1, wherein the enterprise registered as an electronic insurance platform user through the enterprise information exchange module is required to submit enterprise information, a business license, corporate information and contact information.
7. The blockchain-based insurance data processing system of claim 1, further comprising a mobile-side module through which an enterprise can submit an electronic insurance application.
8. The insurance data processing method based on the block chain is characterized in that a transaction platform, an electronic insurance policy module and an enterprise information exchange module are connected to a node of a block chain center;
the transaction platform carries out Hash encryption on the received information through an encryption module to generate first encryption information and a first secret key, and transmits the first encryption information and the first secret key to the electronic guarantee letter platform, wherein the first encryption information comprises mark section information selected by an enterprise;
an enterprise submits an electronic insurance application through an enterprise information exchange module, and an encryption module carries out Hash encryption on the electronic insurance application to generate second encryption information and a second secret key;
the electronic guarantee letter module receives the first encryption information, the first key, the second encryption information and the second key, opens the electronic guarantee letter application and refers to the electronic guarantee letter application information by inputting the second key, checks the mark section information selected by the enterprise by inputting the first key, judges whether the enterprise information and the mark section information selected by the enterprise are valid, and confirms the charging standard by the enterprise after determining that the enterprise is valid; the electronic bond insurance function module generates third encryption information and a third key, wherein the third encryption information comprises electronic contract content and charging standard;
and the enterprise information exchange module receives the third encrypted information and the third key, consults the electronic contract and the charging standard by inputting the third key, signs the electronic contract and pays the security fee on line after confirming that the information is correct, and then generates the electronic security letter.
9. A node based on blockchain insurance data, characterized by being connected to the transaction platform, the electronic vouching insurance module and the enterprise information exchange module of claim 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210590126.3A CN114969786A (en) | 2022-05-26 | 2022-05-26 | Block chain-based insurance function data processing method, node and system |
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| CN202210590126.3A CN114969786A (en) | 2022-05-26 | 2022-05-26 | Block chain-based insurance function data processing method, node and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117474546A (en) * | 2023-12-28 | 2024-01-30 | 深圳蔓延科技有限公司 | Electronic letter protection anti-counterfeiting method based on block chain and electronic device |
| WO2024066043A1 (en) * | 2022-09-27 | 2024-04-04 | 深圳先进技术研究院 | Electronic letter-of-guarantee management method and apparatus based on double-layer blockchain |
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2022
- 2022-05-26 CN CN202210590126.3A patent/CN114969786A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066043A1 (en) * | 2022-09-27 | 2024-04-04 | 深圳先进技术研究院 | Electronic letter-of-guarantee management method and apparatus based on double-layer blockchain |
| CN117474546A (en) * | 2023-12-28 | 2024-01-30 | 深圳蔓延科技有限公司 | Electronic letter protection anti-counterfeiting method based on block chain and electronic device |
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