CN112055357B

CN112055357B - Block chain-based trusted security high-performance intelligent network link networking cooperation method

Info

Publication number: CN112055357B
Application number: CN202010971684.5A
Authority: CN
Inventors: 陶勇刚; 原良晓; 李强; 赵怀柏; 还斌; 沈峰
Original assignee: Shanghai Seari Intelligent System Co Ltd
Current assignee: Shanghai Seari Intelligent System Co Ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2024-05-03
Anticipated expiration: 2040-09-16
Also published as: CN112055357A

Abstract

The purpose of the invention is that: the efficient and safe point-to-point service network is established by using the block chain, so that the complete decentralization is realized, and the point-to-point service network can realize self-organization and self-optimization. The high-reliability high-safety high-performance intelligent networking dynamic networking collaboration method based on the blockchain has the characteristics of blockchain, point-to-point, dynamic networking and quick interaction, and the method has the advantages of high reliability, high safety, traceability and high performance based on a dynamic key exchange technology. The invention establishes a high-reliability and high-safety control network by using a blockchain technology, and key information of each node in the network records the blockchain, thereby achieving the purposes of non-repudiation and supporting the chasing. And the sensitive information in the network must be encrypted by the public key of the receiving node and brought into the signature of the sending node, so that the information security and the anti-falsification and anti-repudiation are ensured.

Description

Block chain-based trusted security high-performance intelligent network link networking cooperation method

Technical Field

The invention relates to a block chain-based high-reliability high-safety high-performance intelligent network link dynamic networking cooperation method.

Background

Blockchain involves many scientific and technical problems such as mathematics, cryptography, internet and computer programming, and is a distributed shared ledger and database. The blockchain has the characteristics of decentralization, non-falsification, whole-course trace, traceability, collective maintenance, disclosure transparency and the like. These features ensure the "honest" and "transparent" of the blockchain, laying a foundation for creating trust for the blockchain. The application scene with rich blockchain is basically based on the blockchain, so that the problem of information asymmetry can be solved, and collaborative trust and consistent actions among a plurality of subjects are realized. Blockchains are novel application modes of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanisms, encryption algorithms, and the like.

An ad hoc network is a network combining mobile communication and a computer network, the information exchange of the network adopts a packet switching mechanism in the computer network, a user terminal is a portable terminal which can move, and each user terminal in the ad hoc network has two functions of a router and a host. As a host, the terminal needs to run various user-oriented applications such as an editor, a browser, etc.; as a router, the terminal needs to run a corresponding routing protocol, and completes the forwarding and routing maintenance work of the data packet according to the routing policy and the routing table, so that the node is required to realize a proper routing protocol. The goal of the ad hoc network routing protocol is to be fast, accurate and efficient, requiring that the routing information be found accurately available in as short a time as possible, and being able to adapt to rapid changes in network topology, while reducing the extra delay introduced and maintaining the control information of the route, reducing the overhead of the routing protocol, so as to meet the limitations in terms of computing power, storage space, power supply, etc. of the mobile terminal.

The block chain and the ad hoc network technology are combined, so that the advantages of the block chain and the ad hoc network technology can be exerted, but related technical schemes are disclosed. The invention patent application with publication number CN109802993A disclosed in 20190524 provides a method for building a alliance chain system based on supply chain ecology, which comprises an alliance block chain network and an auxiliary service network of the alliance block chain network; the main body corresponding to the alliance block chain system node comprises an industry chain main body, an external resource provider and a supervision organization; the alliance block chain adopts a consensus mechanism of a supply chain ecological application scene; the alliance block chain auxiliary service network adopts point-to-point peer distributed deployment, node dynamic networking and channel subscription mechanism and virus-like immune algorithm to realize data consistency between network users; the system realizes complete peer-to-peer deployment and distribution among the main bodies, can meet various business secrets and privacy protection strategies, can safely exchange transaction data and push information among different main bodies, and can realize full-network distributed accounting and common witness supply chain ecological alliance blockchain systems when necessary. Although the patent application relates to some techniques of blockchain and ad hoc network technologies, the essence of the patent application is that there is only one blockchain network, and the blockchain and the ad hoc network technologies are not effectively combined.

Disclosure of Invention

The purpose of the invention is that: the efficient and safe point-to-point service network is established by using the block chain, so that the complete decentralization is realized, and the point-to-point service network can realize self-organization and self-optimization.

In order to achieve the above purpose, the technical scheme of the invention is to provide a trusted security high-performance intelligent network link networking cooperation method based on block chains, which is characterized by comprising the following steps:

Step 1: sending an intelligent equipment terminal and a registration request of the user to a blockchain public network, wherein the blockchain public network generates account information, equipment information, a blockchain private key, a blockchain public key and a blockchain digital certificate for the user and the intelligent equipment terminal associated with the user, the blockchain public network uniquely identifies the intelligent equipment terminal through the blockchain public key, the account information at least comprises a unique user ID matched with the current user, and the equipment information at least comprises a unique equipment ID matched with the current intelligent equipment terminal, longitude and latitude information of the current intelligent equipment terminal and communication quality information of the current intelligent equipment terminal;

the blockchain public network binds the account information and the equipment ID, associates the account information, the equipment information and the blockchain public key, and then files the account information, the equipment information and the blockchain public key;

The method comprises the steps that a block chain public network feeds account information, a block chain private key and a block chain digital certificate back to a current user and a current intelligent device terminal at least, binding of the account information of the current user and the current intelligent device terminal is achieved, the current intelligent device terminal is registered as a legal node of the block chain public network, and the current intelligent device terminal achieves data interaction with the block chain public network through a block chain client;

step 2: the legal node registers functional services with the blockchain public network, wherein the functional services comprise public services called through the blockchain public network and special services called through a real-time point-to-point service network, and the method comprises the following steps of:

step 201: binding each function service matched with the function with the current intelligent equipment terminal according to the function which can be realized by the current intelligent equipment terminal;

step 202: if the current intelligent equipment terminal is registered as a legal node of the block chain public network, entering a step 203, otherwise, entering the step 203 after registering as the legal node of the block chain public network according to the step 1;

Step 203: the current legal node sends a registration service request to the blockchain public network, wherein the registration service request at least comprises functional service request data, a digital signature generated by the current legal node by using a blockchain private key and a blockchain digital certificate, and the functional service request data at least comprises functional service information;

Step 204: the blockchain public network obtains a blockchain public key uploaded by a current legal node by using a blockchain digital certificate, matches the blockchain public key with a blockchain public key stored in the blockchain public network and corresponding to the current legal node, refuses the current registration service request if the matching fails, and enters step 205 if the matching is successful;

Step 205: the block chain public network decrypts the digital signature by using the block chain public key to obtain abstract information, matches the abstract information with abstract information generated by the block chain public network by using the received registration service request, refuses the current registration service request if the matching fails, and completes the registration of the functional service bound with the current legal node on the block chain public network according to the registration service request data if the matching succeeds;

Step 3: every legal node updates longitude and latitude information of every fixed time period T ₁, and the method comprises the following steps:

Step 301: the method comprises the steps that a current legal node sends a device information update request to a block chain public network, wherein the device information update request comprises device information update request data, a digital signature generated by the current legal node by using a block chain private key and a block chain digital certificate, and the device information update request data at least comprises longitude and latitude information of the current legal node at the current moment;

step 302: the blockchain public network obtains a blockchain public key uploaded by a current legal node by using a blockchain digital certificate, matches the blockchain public key with a blockchain public key stored in the blockchain public network and corresponding to the current legal node, refuses the current equipment information update request if the matching fails, and enters step 303 if the matching is successful;

Step 303: decrypting the digital signature by using the block chain public key to obtain abstract information, matching the abstract information with abstract information generated by the block chain public network by using the received equipment information updating request, rejecting the current equipment information updating request if the matching fails, and updating the longitude and latitude information in the stored equipment information according to the longitude and latitude information in the equipment information updating request data if the matching succeeds, thereby completing the on-chain updating of the longitude and latitude information of the current legal node;

Step 4: each legal node inquires the functional services registered on the blockchain public network by other nodes through the blockchain public network;

Step 5: the legal node can complete the call of public service in the queried functional service once through the public network, or can complete the subscription of public service in the queried functional service through the public network, the legal node providing service for the current legal node is defined as a legal service node, and the legal service node provides public service for the current legal node and charges;

Step 6: at least K legal nodes in M legal nodes connected on the same physical network adopt an ad hoc network technology to form a real-time point-to-point service network, M is more than or equal to K is more than or equal to 1, the real-time point-to-point service network is a business dynamic network, all legal nodes in the business dynamic network can realize real-time efficient safe interconnection and mutual trust, and each other provides special service and charging, and the method comprises the following steps:

Step 601: any one legal node is used as a service dynamic network to register with the block chain public network, or at least two legal nodes positioned in the same physical network form a service dynamic network based on the ad hoc network technology to register with the block chain public network, comprising the following steps:

step 6011: any legal node in the service dynamic network sends a service dynamic network registration request to the blockchain public network, wherein the service dynamic network registration request comprises service dynamic network information, a digital signature generated by the current legal node by using a blockchain private key and a blockchain digital certificate, and the service dynamic network information at least comprises physical link information of a physical network where the current service dynamic network is located, an address of the current service dynamic network, information of all legal nodes forming the current service dynamic network, longitude and latitude information of the current service dynamic network and communication quality information of the current service dynamic network, and the address and the longitude and latitude information of the current service dynamic network are generated according to the address and the longitude and latitude information of all legal nodes in the service dynamic network;

step 6012: the blockchain public network obtains a blockchain public key uploaded by a current legal node by using a blockchain digital certificate, if the obtaining fails, the current service dynamic network registration request is refused, if the obtaining is successful, the blockchain public key is matched with a blockchain public key stored in the blockchain public network and corresponding to the current legal node, if the matching fails, the current service dynamic network registration request is refused, and if the matching is successful, the step 6013 is entered;

Step 6013: decrypting the digital signature by using the blockchain public key to obtain abstract information, matching the abstract information with abstract information generated by the blockchain public network by using the received service dynamic network registration request, rejecting the current service dynamic network registration request if the matching fails, obtaining service information of all registered functional services corresponding to the information of all legal nodes in the service dynamic network information if the matching is successful, and storing the service information and the service dynamic network information in a linking way;

Step 602: the registered service dynamic network makes corresponding dynamic network public keys, dynamic network private keys and dynamic network digital certificates for all legal nodes forming the service dynamic network, and feeds back the dynamic network private keys and the dynamic network digital certificates to the corresponding legal nodes;

Legal nodes in the registered service dynamic network register service to the service dynamic network, the service dynamic network queries service information of the service to be registered on a blockchain public network in a chain manner, judges whether the service to be registered has completed registration on the blockchain public network, if so, completes service registration of the service dynamic network, and if the service to be registered has not been registered on the blockchain public network, refuses the registration;

the registered service dynamic network recalculates the longitude and latitude information of the current service dynamic network by using the longitude and latitude information of each legal node in the updated service dynamic network every fixed time period T ₁, and any legal node in the service dynamic network completes the updating of the longitude and latitude information in the corresponding service dynamic network information on the blockchain public network according to the same method from step 301 to step 303;

Step 603: the legal node to be networked sends a business dynamic network longitude and latitude query request to the blockchain public network, wherein the business dynamic network longitude and latitude query request comprises longitude and latitude information of the legal node to be networked, a digital signature generated by the legal node to be networked by using a blockchain private key and a blockchain digital certificate;

Step 604: the blockchain public network obtains a blockchain public key uploaded by a legal node to be networked by using a blockchain digital certificate, if the obtaining fails, the request for inquiring the longitude and latitude of the current service dynamic network is refused, if the obtaining succeeds, the blockchain public key is matched with a blockchain public key stored in the blockchain public network and corresponding to the current legal node, if the matching fails, the request for inquiring the longitude and latitude of the current service dynamic network is refused, and if the matching succeeds, the step 605 is entered;

Step 605: decrypting the digital signature by using the blockchain public key to obtain abstract information, matching the abstract information with abstract information generated by the blockchain public network by using the received business dynamic network longitude and latitude inquiry request, rejecting the current business dynamic network longitude and latitude inquiry request if the matching fails, and obtaining service information and business dynamic network information of the J business dynamic networks by using J business dynamic networks with the closest longitude and latitude information distance from the longitude and latitude information in the current business dynamic network longitude and latitude inquiry request if the matching is successful;

Step 606: according to the physical network where legal nodes to be networked are located, obtaining L business dynamic networks which are located in the same physical network with the legal nodes to be networked according to the physical link information in the business dynamic network information, and further selecting P business dynamic networks with higher communication quality from the L business dynamic networks according to the communication quality information in the business dynamic network information;

step 607: the legal node to be networked randomly selects a service dynamic network with matched service information from P service dynamic networks as a target service dynamic network according to the service requirement to be obtained;

Step 608: the legal node to be networked sends a networking request to a target service dynamic network, wherein the networking request at least comprises a blockchain public key of the legal node to be networked, the target service dynamic network inquires whether a blockchain public key matched with the blockchain public key in the networking request exists on a blockchain public network, if the matched blockchain public key is obtained, the step 609 is entered, otherwise, the target service dynamic network refuses the current networking request;

step 609: the target service dynamic network responds to a networking request, legal nodes to be networked join the target service dynamic network, after the networking is completed with the existing legal nodes in the target service dynamic network, the information of all legal nodes in the service dynamic network information of the current service dynamic network and corresponding service information are updated on the chain, and the target service dynamic network updates the corresponding service dynamic network information on the chain after the address and the longitude and latitude information of the service dynamic network are obtained again according to the longitude and latitude and the address of all updated legal nodes at the current moment;

Step 6010: after the legal node joins the target service dynamic network, the service dynamic network makes a corresponding dynamic network public key, a dynamic network private key and a dynamic network digital certificate for the newly joined legal node, and the dynamic network private key and the dynamic network digital certificate are fed back to the newly joined legal node;

After joining the target business dynamic network, the legal node registers the service to the business dynamic network, the business dynamic network queries the service information of the service to be registered on the blockchain public network in a chain manner, judges whether the service to be registered has completed registration on the blockchain public network, if so, completes the service registration of the business dynamic network, and if the service to be registered has not been registered on the blockchain public network, refuses the registration;

Step 6011: each legal node in the business dynamic network can call the function service registered in the business dynamic network; the legal node can call the service when needed or subscribe the service, so that the legal node serving as a service provider can call the functional service at fixed time intervals T ₂ and feed back data to the legal node serving as a service user.

When a function service is called, a legal node serving as a service user and a legal node serving as a service provider perform point-to-point data interaction, the legal node serving as the service user is defined as a service using node, and the legal node serving as the service provider is defined as a service providing node, and the data interaction comprises the following steps:

Step 60111: the service using node sends a data request to the service providing node, wherein the data request comprises data request information, a digital signature generated by the service using node by using a dynamic network private key and a dynamic network digital certificate of the service using node;

step 60112: after receiving the data request, the service providing node decrypts the dynamic network digital certificate by using the dynamic network digital certificate public key provided by the service dynamic network, if the decryption fails, the current data request is refused, and if the decryption is successful, the step 60113 is entered;

step 60113: the service providing node obtains a dynamic network public key through decrypting the dynamic network digital certificate, decrypts the digital signature in the data request by using the dynamic network public key, refuses the current data request if decryption fails, and enters step 60114 if decryption succeeds;

Step 60114: the service providing node matches the summary information obtained by decrypting the digital signature with the summary information generated by the service providing node itself by using the received data request, if the matching fails, the current data request is refused, if the matching is successful, the step 60115 is entered;

Step 60115: the service providing node responds to the data request, generates feedback data after calling corresponding functional service, generates feedback information which is fed back to the service using node according to the feedback data, wherein the feedback information comprises the feedback data, a digital signature generated by the service providing node by utilizing a dynamic network private key and a dynamic network digital certificate of the service providing node, the service providing node charges the provided service, and the digital currency received from the current service using node is stored into a corresponding wallet through a blockchain private key and a blockchain public key of the current service providing node;

Step 60116: after receiving the feedback information, the service using node decrypts the dynamic network digital certificate by using the dynamic network digital certificate public key provided by the service dynamic network, if the decryption fails, the current feedback information is discarded, and if the decryption is successful, the step 60117 is entered;

step 60117: the service using node obtains a dynamic network public key through decrypting the dynamic network digital certificate, decrypts the digital signature in the feedback information by using the dynamic network public key, discards the current feedback information if decryption fails, and enters step 60118 if decryption succeeds;

Step 60118: the service using node matches the abstract information obtained by decrypting the digital signature with the abstract information generated by the service using node by utilizing the received feedback information, if the matching fails, the current feedback information is abandoned, and if the matching is successful, the feedback data in the feedback information is received, so that a service calling process is completed;

Step 6012: counting the communication quality in the current time period T ₃ every fixed time period T ₃ after the service dynamic network is updated, and correspondingly updating the communication quality information in the corresponding service dynamic network information on the blockchain public network by adopting the same method as that of the steps 301 to 303;

each service providing node in the service dynamic network generates summary information by utilizing all communication data interacted with the service using node in the current time period T ₄ every fixed time period T ₄,T₂≤T₄≤T₃, the service providing node further encrypts the summary information by utilizing a blockchain private key to generate a digital signature, and each service providing node uploads all communication data interacted with the service using node in the current time period T ₄ and the corresponding digital signature to the blockchain public network for uplink storage so as to catch up with the duty;

Step 6013: each legal node in the service dynamic network calculates the distance between the longitude and latitude of the current legal node at the current moment and the longitude and latitude information of the current service dynamic network every fixed time period T ₅, and if the distance is larger than a preset threshold value, the current legal node is disconnected from the current service dynamic network, and step 6014 is performed;

Each legal node in the service dynamic network is disconnected from the current service dynamic network every a fixed time period T ₆, and steps 6014 and T ₆≥T₃ are carried out;

Step 6014: the dynamic network public key, the dynamic network private key and the dynamic network digital certificate of the current legal node are all invalid, the current legal node returns to step 603 to carry out the network reorganization, and the current business dynamic network updates the corresponding business dynamic network information and the service information on the chain;

after the current service dynamic network is broken up, returning to step 601 to re-network.

Preferably, the step 1 includes the steps of:

Step 101: the user sends a user registration request to the blockchain public network, wherein the user registration request at least comprises user information, after the blockchain public network receives the user registration request, the user information contained in the user registration request is matched with the stored account information in the blockchain public network, if the matching is successful, the registration request of the current user registration request is refused, if the matching is failed, account information is generated for the current user according to the user information, the account information at least comprises a unique user ID matched with the current user, and the blockchain public network feeds back the account information to the user;

step 102: a user sends a device registration request to a blockchain public network by using account information on a current intelligent device terminal, wherein the device registration request at least comprises a unique device ID matched with the current intelligent device terminal, current longitude and latitude information of the current intelligent device terminal and current communication quality information;

step 103: after receiving the equipment registration request, the blockchain public network matches the equipment ID contained in the equipment registration request with the equipment ID stored in the blockchain public network, if the matching is successful, the current equipment registration request is refused, and if the matching is failed, the step 104 is entered;

Step 104: the method comprises the steps that a block chain public network generates at least equipment information, a block chain private key, a block chain public key and a block chain digital certificate for a current intelligent equipment terminal, wherein the block chain public network uniquely identifies the intelligent equipment terminal through the block chain public key, and the equipment information at least comprises equipment ID, longitude and latitude information of the current intelligent equipment terminal and communication quality information of the current intelligent equipment terminal;

Step 105: the public network of the block chain binds account information of the current user with the device ID, and links the account information, the device information and the public key of the block chain to the chain for archiving, meanwhile, the public network of the block chain feeds back the private key of the block chain and the digital certificate of the block chain to the terminal of the current intelligent device, and the terminal of the current intelligent device is registered as a legal node of the public network of the block chain when binding the account information of the current user.

Preferably, the step 1 includes the steps of:

step 101: the method comprises the steps that a current intelligent equipment terminal sends an equipment registration request to a blockchain public network, wherein the equipment registration request at least comprises a unique equipment ID matched with the current intelligent equipment terminal, current longitude and latitude information of the current intelligent equipment terminal and communication quality information;

Step 102: after receiving the equipment registration request, the blockchain public network matches the equipment ID contained in the equipment registration request with the equipment ID stored in the blockchain public network, if the matching is successful, the registration request of the current intelligent equipment terminal is refused, and if the matching is failed, the step 103 is entered;

Step 103: the method comprises the steps that a block chain public network generates equipment information, a block chain private key, a block chain public key and a block chain digital certificate for a current intelligent equipment terminal, wherein the block chain public network uniquely identifies the intelligent equipment terminal corresponding to the block chain public key through the block chain public key, and the equipment information at least comprises equipment ID, longitude and latitude information of the current intelligent equipment terminal and communication quality information of the current intelligent equipment terminal;

Step 104: archiving the equipment information and the blockchain public key Guan Lianru, and simultaneously, feeding back the blockchain private key and the blockchain digital certificate to the current intelligent equipment terminal by the blockchain public network, wherein the current intelligent equipment terminal is registered as a legal node of the blockchain public network, and the current intelligent equipment terminal realizes data interaction with the blockchain public network through a blockchain client;

step 105: the user sends a user registration request to the blockchain public network, wherein the user registration request at least comprises user information and a device ID of an intelligent device terminal which is selected by the user to be bound, after the blockchain public network receives the user registration request, the user information contained in the user registration request is matched with account information stored in the blockchain public network, if the matching is successful, the registration request of the current user registration request is refused, and if the matching is failed, the step 106 is entered;

Step 106: matching the device ID contained in the user registration request with the device ID stored in the blockchain public network, rejecting the registration request of the current intelligent device terminal if the matching fails, and entering step 107 if the matching is successful;

Step 107: generating account information for the current user according to the user information, wherein the account information at least comprises a unique user ID matched with the current user, and after binding the account information with the current equipment ID, the blockchain public network links the account information, the equipment information corresponding to the current equipment ID and the blockchain public key and then files the account information;

Step 108: and the blockchain public network feeds account information back to the user, so that the account information of the current user is bound with the current intelligent equipment terminal registered as a legal node.

Preferably, the step 1 includes the steps of:

Step 101: after inputting user information on a current intelligent equipment terminal, a user sends a registration request to a blockchain public network, wherein the registration request at least comprises the user information, a unique equipment ID matched with the current intelligent equipment terminal, the current longitude and latitude information of the current intelligent equipment terminal and communication quality information;

step 102: after the blockchain public network receives the registration request, matching the equipment ID contained in the registration request with the equipment ID stored in the blockchain public network, if the matching is successful, rejecting the current registration request, and if the matching is failed, entering step 103;

Step 103: the blockchain public network matches the user information contained in the user registration request with the account information stored in the blockchain public network, if the matching is successful, the current registration request is refused, and if the matching is failed, the step 104 is entered;

Step 104: the block chain public network generates account information for the current user according to the user information, wherein the account information at least comprises a unique user ID matched with the current user; meanwhile, the block chain public network generates at least equipment information, a block chain private key, a block chain public key and a block chain digital certificate for the current intelligent equipment terminal, wherein the block chain public network uniquely identifies the intelligent equipment terminal corresponding to the block chain public key through the block chain public key, and the equipment information at least comprises equipment ID, longitude and latitude information of the current intelligent equipment terminal and communication quality information of the current intelligent equipment terminal;

Step 105: after binding account information with the current equipment ID, the blockchain public network associates the account information, the equipment information and the blockchain public key and then files the account information, the equipment information and the blockchain public key;

Step 106: and the current intelligent equipment terminal realizes data interaction with the blockchain public network through the blockchain client.

Preferably, the step 4 includes the steps of:

step 401: the current legal node sends a service query request to the blockchain public network, wherein the service query request comprises service information of the functional service to be queried, a digital signature generated by the current legal node by using a blockchain private key and a blockchain digital certificate;

step 402: the blockchain public network obtains a blockchain public key uploaded by a current legal node by using a blockchain digital certificate, matches the blockchain public key with a blockchain public key stored in the blockchain public network and corresponding to the current legal node, refuses the current service inquiry request if the matching fails, and enters step 403 if the matching is successful;

step 403: decrypting the digital signature by using the blockchain public key to obtain abstract information, matching the abstract information with abstract information generated by the blockchain public network by using the received service inquiry request, rejecting the current service inquiry request if the matching fails, and searching registered service matched with the service inquiry request on the chain according to the service information contained in the service inquiry request if the matching succeeds;

Step 404: and defining all legal nodes corresponding to the registered services queried by the block chain public network on the chain as legal service nodes, and feeding back the queried service information of the registered services, the device information of the legal service nodes and the block chain public key to the current legal nodes by the block chain public network.

Preferably, in the step 5, the legal node completes one call to the public service in the queried functional services through the public network, including the following steps:

Step 5a01: after the current legal node queries the equipment information and the blockchain public key of all legal service nodes providing the required functional service by using the query flow described in the steps 401 to 404, calculating the distance between the longitude and latitude of each legal service node and the current legal node according to the longitude and latitude information contained in the equipment information, selecting N legal service nodes with the shortest distance from the equipment information, and selecting the legal service node with the best communication quality from the N legal service nodes as the current legal service node according to the communication quality information contained in the equipment information to obtain the blockchain public key of the current legal service node;

step 5a02: the current legal node sends a function service call request to the current legal service node obtained in the step 5A01, wherein the function service call request comprises function service call request data, a digital signature generated by the current legal node by using a blockchain private key and a blockchain digital certificate;

Step 5a03: after the current legal service node obtains the function service call request, decrypting the blockchain digital certificate in the function service call request by utilizing the blockchain digital certificate public key given by the blockchain public network, if the decryption is successful, entering step 5A04, and if the decryption is failed, rejecting the current function service call request;

Step 5a04: after obtaining the blockchain public key of the current legal node through decrypting the blockchain digital certificate, the current legal service node decrypts the digital signature, if the decryption is successful, the step 5A05 is entered, and if the decryption is failed, the current function service calling request is refused;

step 5a05: the current legal service node matches the abstract information obtained by decryption in the step 5A04 with the abstract information generated by the current legal service node by using the function service call request, if the matching is successful, the step 5A06 is entered, and if the matching is failed, the current function service call request is refused;

step 5a06: the current legal service node generates corresponding feedback data after calling related functional services according to the functional service calling request data in the functional service calling request, and generates feedback information according to the feedback data, wherein the feedback information comprises the feedback data, a digital signature generated by the current legal service node by using a blockchain private key and a blockchain digital certificate;

Step 5a07: the current legal service node feeds back feedback information to the current legal node, the current legal service node charges the provided service, and digital currency received from the current legal node is stored into a corresponding wallet through a block chain private key and a block chain public key of the current legal service node;

Step 5a08: after the current legal node obtains the feedback information, decrypting the blockchain digital certificate in the feedback information by using a blockchain digital certificate public key given by the blockchain public network, if the decryption is successful, entering a step 5A09, and if the decryption is failed, discarding the current feedback information;

Step 5a09: after the current legal node obtains the blockchain public key of the current legal service node through decrypting the blockchain digital certificate, decrypting the digital signature in the feedback information, if the decryption is successful, entering step 5A010, and if the decryption is failed, discarding the current feedback information;

step 5a010: the current legal node matches the abstract information obtained by decryption in the step 5A09 with the abstract information generated by the current legal node by using feedback information, if the matching is successful, the step 5A011 is entered, and if the matching is failed, the current feedback information is abandoned;

Step 5a011: the current legal node obtains feedback data and completes one-time call of the function service;

Step 5a012: the current legal node evaluates the data communication quality with the current legal service node, generates communication quality information capable of reflecting the good or bad communication quality according to the evaluated conclusion, and updates the communication quality information in the equipment information of the current legal service node in the block chain public network by adopting the same method as that of the steps 301 to 303;

Meanwhile, the current legal service node generates summary information from all communication data interacted with the current legal node, and after the summary information is further encrypted by using a blockchain private key to generate a digital signature, all communication data and the corresponding digital signature are uploaded to a blockchain public network together for uplink storage, so that the responsibility tracking is facilitated.

Preferably, in the step 5, the legal node completing the subscription to the public service in the queried functional services through the public network includes the following steps:

Step 5B01: after the current legal node queries the equipment information and the blockchain public key of all legal service nodes providing the required functional service by using the query flow described in the steps 401 to 404, calculating the distance between the longitude and latitude of each legal service node and the current legal node according to the longitude and latitude information contained in the equipment information, selecting N legal service nodes with the shortest distance from the equipment information, and selecting the legal service node with the best communication quality from the N legal service nodes as the current legal service node according to the communication quality information contained in the equipment information to obtain the account information and the blockchain public key of the current legal service node;

Step 5B02: the current legal node sends a function service subscription request to the current legal service node obtained in the step 5B01, wherein the function service subscription request comprises function service subscription request data, a digital signature generated by the current legal node by using a blockchain private key and a blockchain digital certificate;

Step 5B03: after the current legal service node obtains the function service subscription request, decrypting the blockchain digital certificate in the function service call request by utilizing the blockchain digital certificate public key given by the blockchain public network, if the decryption is successful, entering a step 5B04, and if the decryption is failed, rejecting the current function service subscription request;

Step 5B04: after obtaining the blockchain public key of the current legal node through decrypting the blockchain digital certificate, the current legal service node decrypts the digital signature, if the decryption is successful, the step 5B05 is entered, and if the decryption is failed, the current function service subscription request is refused;

Step 5B05: the current legal service node matches the abstract information obtained by decryption in the step 5B04 with the abstract information generated by the current legal service node by using the function service call request, if the matching is successful, the step 5B06 is entered, and if the matching is failed, the current function service subscription request is refused;

Step 5B06: the current legal service node responds to the current function service subscription request, related function service is called at regular intervals T ₂ according to function service subscription request data in the function service subscription request, related information is fed back to the current legal node, the current legal service node is called each time to charge the provided service, digital currency received from the current legal node is stored into a corresponding wallet through a blockchain private key and a blockchain public key of the current legal service node, and the current legal service node feeds back longitude and latitude information of the current legal service node to the current legal node at regular intervals T ₁, and T ₁<T₂;

Calculating the distance between the current legal node and the current legal service node by using the longitude and latitude of the current legal node and the longitude and latitude information fed back by the current legal service node at regular time intervals T ₁, and if the distance exceeds a preset threshold value, entering a step 5B07;

Step 5B07: canceling the connection between the current legal node and the current legal service node, evaluating the data communication quality with the current legal service node, generating communication quality information capable of reflecting the good or bad communication quality according to the evaluated conclusion, and carrying out on-chain updating on the communication quality information in the equipment information of the current legal service node in the block chain public network by adopting the same method as the steps 301 to 303;

step 5B08: the current legal node re-queries the device information and the blockchain public key of all legal service nodes providing the required functional service by using the query flow described in steps 401 to 404, and returns to step 5B01.

Preferably, in step 5B06, after the current legal service node responds to the function service subscription request, feeding back the relevant information to the current legal node specifically includes the following steps:

Step A01: the current legal service node generates feedback information according to the feedback data, wherein the feedback information comprises the feedback data, a digital signature generated by the current legal service node by using a blockchain private key and a blockchain digital certificate;

Step A02: the current legal service node feeds back feedback information to the current legal node;

Step A03: after the current legal node obtains the feedback information, decrypting the blockchain digital certificate in the feedback information by utilizing a blockchain digital certificate public key given by the blockchain public network, if the decryption is successful, entering a step A04, and if the decryption is failed, discarding the current feedback information;

Step A04: after the current legal node obtains the blockchain public key of the current legal service node through decrypting the blockchain digital certificate, decrypting the digital signature in the feedback information, if the decryption is successful, entering a step A05, and if the decryption is failed, discarding the current feedback information;

step A05: the current legal node matches the abstract information obtained by decryption in the step A04 with the abstract information generated by the current legal node by using feedback information, if the matching is successful, the step A06 is entered, and if the matching is failed, the current feedback information is abandoned;

step A06: and the current legal node obtains feedback data and finishes one-time call of the function service.

Preferably, in step 5B06, the current legal service node feeding back its longitude and latitude information to the current legal node includes the following steps:

Step B01: the current legal service node generates longitude and latitude feedback information according to the longitude and latitude information of the current legal service node, wherein the longitude and latitude feedback information comprises the longitude and latitude information of the current legal service node, a digital signature generated by the current legal service node by using a blockchain private key and a blockchain digital certificate;

Step B02: the current legal service node feeds back longitude and latitude feedback information to the current legal node;

step B03: after the current legal node obtains the latitude and longitude feedback information, decrypting the blockchain digital certificate in the latitude and longitude feedback information by using a blockchain digital certificate public key given by a blockchain public network, if the decryption is successful, entering a step B04, and if the decryption is failed, discarding the current latitude feedback information;

step B04: after the current legal node obtains the blockchain public key of the current legal service node through decrypting the blockchain digital certificate, decrypting the digital signature in the latitude feedback information, if the decryption is successful, entering a step B05, and if the decryption is failed, discarding the current latitude feedback information;

Step B05: b06, if the matching is successful, the current legal node enters into the step B04, if the matching is failed, the current feedback information is abandoned;

Step B06: the current legal node obtains the longitude and latitude information updated by the current legal service node.

Preferably, in step 6011, the service dynamic network information in the service dynamic network registration request sent to the blockchain public network includes a communication frequency band and a network system of a current service dynamic network;

in step 6013, after receiving the registration request of the current service dynamic network, the blockchain public network dynamically adjusts the network mode according to the communication frequency band and the network system, so as to enter the service dynamic network of different communication frequency bands and network systems.

The intelligent network dynamic networking collaboration technology based on the blockchain has the characteristics of blockchain, point-to-point, dynamic networking and quick interaction, and the intelligent network dynamic networking collaboration technology based on the blockchain has the advantages of high reliability, high safety, traceability and high performance. The invention establishes a high-reliability and high-safety control network by using a blockchain technology, and key information of each node in the network records the blockchain, thereby achieving the purposes of non-repudiation and supporting the chasing. The sensitive information in the network must be encrypted by the public key of the receiving node and brought into the signature of the sending node, the receiving node must verify that the information is from the trusted node according to the sending node and the signature, and through the bidirectional verification mechanism, the information security and the anti-falsification and anti-repudiation are ensured. The invention can be realized through a block chain: public key broadcast querying mechanism, device and device function service self-registration mechanism, service querying function and service subscription function.

Meanwhile, each node in the network realizes quick networking based on dynamic evaluation of communication quality, forms a small center (cerebellum) and establishes a quick feedback network. By using the fast feedback network, the nodes in the network can realize fast, real-time and safe information interaction and can perform high-precision division work cooperation. The key interaction information of the quick feedback network is added with signature and then is uplink to be used as the basis of responsibility, charging and the like. The fast feedback network has strict regional attribute and strong position correlation, and the nodes query and join the nearby fast feedback network by using the position information such as longitude and latitude, thereby ensuring nearby networking and achieving the purpose of fast interaction. The fast feedback network is a moving network, each moving network has a unique address, and the address may have ineffectiveness. The dynamic network is strictly a service dynamic network built on a physical dynamic network, a plurality of service networks can exist in one physical dynamic network, the physical networking of the dynamic network is ensured by 5G communication, and the service networks can be formally added only when the physical network and the node authentication pass, so that the safety, the traceability and the high efficiency are ensured.

In the invention, all legal nodes can register service and provide service to the outside. There are two ways to invoke the service, one through the public network and one through the dynamic network, all legal nodes can invoke other node services. The service binds with the device and the device binds the account, thereby achieving a person's responsibility.

Furthermore, in the invention, the public network can dynamically adjust the network mode by utilizing public network public information, thereby entering private networks with different communication frequency bands and different network systems. By adopting the scheme, the public network can be added with a plurality of private networks adopting different communication frequency bands and different network systems, so that all the private networks can enjoy and provide services at the same time.

Drawings

FIG. 1 is a flow chart of registration and device binding in the present invention;

Fig. 2 is a flow chart of a dynamic network for joining a service by a device according to the present invention.

Detailed Description

The application will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present application, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.

The invention provides a reliable safe high-performance intelligent network dynamic networking cooperation method based on a block chain, which is based on a block chain public network, a block chain client and an intelligent equipment terminal (possibly equipment such as MEC, road side equipment, car machine, mobile phone terminal and the like), and comprises the following steps:

The public network of the block chain feeds back account information, a private key of the block chain and a digital certificate of the block chain to the current user and the current intelligent equipment terminal at least, so that the account information of the current user and the current intelligent equipment terminal are bound, the current intelligent equipment terminal is registered as a legal node of the public network of the block chain, and the current intelligent equipment terminal realizes data interaction with the public network of the block chain through the client of the block chain.

In step 1, all intelligent equipment terminals must have own private keys and public keys, and the equipment is uniquely identified through the public keys, so that equipment admission control, responsibility-pursuing basis and the like are performed.

The registration of the intelligent device terminal and the user on the blockchain public network and the binding of the intelligent device terminal and the user can be realized by any one of the following three modes:

mode one) the step 1 comprises the following steps:

Mode two) the step 1 includes the following steps:

Mode three) the step 1 includes the following steps:

Step 205: the blockchain public network decrypts the digital signature by using the blockchain public key to obtain abstract information, matches the abstract information with abstract information generated by the blockchain public network by using the received registration service request, refuses the current registration service request if the matching fails, and completes the registration of the functional service bound with the current legal node on the blockchain public network according to the registration service request data if the matching succeeds.

Step 303: decrypting the digital signature by using the public key of the block chain to obtain abstract information, matching the abstract information with abstract information generated by the public network of the block chain by using the received equipment information updating request, rejecting the current equipment information updating request if the matching fails, and updating the longitude and latitude information in the stored equipment information according to the longitude and latitude information in the equipment information updating request data if the matching succeeds, thereby completing the on-chain updating of the longitude and latitude information of the current legal node.

Step 4: each legal node inquires the functional service registered on the blockchain public network by other nodes through the blockchain public network, and the method comprises the following steps:

Step 5: the legal node can complete the call of public service in the queried functional service once through the public network, or can complete the subscription of public service in the queried functional service through the public network, the legal node providing service for the current legal node is defined as a legal service node, and the legal service node provides public service for the current legal node and charges.

In step 5, the legal node completes one call of public service in the queried functional service through the public network, and the method comprises the following steps:

In step 5, the legal node completing the subscription of the public service in the queried functional service through the public network comprises the following steps:

In step 5B06, after the current legal service node responds to the function service subscription request, feeding back relevant information to the current legal node specifically includes the following steps:

Step A06: the current legal node obtains feedback data and completes one-time call of the function service;

in step 5B06, the current legal service node feeding back its longitude and latitude information to the current legal node includes the following steps:

step B06: the current legal node obtains longitude and latitude information updated by the current legal service node;

Step 601: any legal node is registered as a service dynamic network to the block chain public network, so that in the invention, one device can be a service dynamic network, thus ensuring that nearby legal nodes can be added into the service dynamic network; or at least two legal nodes located in the same physical network form a service dynamic network based on an ad hoc network technology (for example, a 5G ad hoc network technology can be adopted) to register with a blockchain public network;

Step 601 specifically includes the steps of:

Step 6011: any legal node in the service dynamic network sends a service dynamic network registration request to the blockchain public network, wherein the service dynamic network registration request comprises service dynamic network information, a digital signature generated by the current legal node by using a blockchain private key and a blockchain digital certificate, the service dynamic network information at least comprises physical link information of a physical network where the current service dynamic network is located, an address of the current service dynamic network, information of all legal nodes forming the current service dynamic network, longitude and latitude information of the current service dynamic network, communication quality information of the current service dynamic network, a communication frequency band of the current service dynamic network and a network system of the current service dynamic network, and the address and the longitude and latitude information of the current service dynamic network are generated according to the address and the longitude and latitude information of all legal nodes in the service dynamic network;

Step 6013: decrypting the digital signature by using the blockchain public key to obtain abstract information, matching the abstract information with abstract information generated by the blockchain public network by using the received service dynamic network registration request, rejecting the current service dynamic network registration request if the matching fails, obtaining service information of all registered functional services corresponding to the information of all legal nodes in the service dynamic network information if the matching is successful, and storing the service information and the service dynamic network information in a linking way; meanwhile, in the invention, the block chain public network receives the dynamic adjustment of the network mode according to the communication frequency band and the network mode, so as to enter the service dynamic network of different communication frequency bands and network modes (the existing 5G modulation technology can be adopted), and the block chain public network can be simultaneously added into the service dynamic networks of a plurality of different communication frequency bands and network modes, so that each service dynamic network can simultaneously enjoy and provide service;

In the invention, the legal node can dynamically join the nearby service dynamic network (for example, access to the network through key information such as private key, public key, certificate, etc.) after carrying out on-chain verification by using the public key. After the legal node joins the service dynamic network, it can realize: dynamically subscribing services provided by legal nodes in a service dynamic network, and verifying by utilizing a public key block chain; the service dynamic network judges the identity of legal nodes on line; subscribing and pushing the message; the message between two legal nodes in the service dynamic network directly pushes the response; the off-line of legal nodes in the service dynamic network specifically comprises the following steps:

Claims

1. The trusted security high-performance intelligent network linkage dynamic networking cooperation method based on the blockchain is characterized by comprising the following steps of:

Step 6011: each legal node in the business dynamic network can call the function service registered in the business dynamic network; the legal node can call the service when needed, and can subscribe the service, so that the legal node serving as a service provider can call the functional service at a fixed time interval T ₂ and feed back data to the legal node serving as a service user;

2. The method for intelligent network linkage networking collaboration based on the trusted security and high performance of the blockchain as claimed in claim 1, wherein the step 1 comprises the following steps:

3. The method for intelligent network linkage networking collaboration based on the trusted security and high performance of the blockchain as claimed in claim 1, wherein the step 1 comprises the following steps:

4. The method for intelligent network linkage networking collaboration based on the trusted security and high performance of the blockchain as claimed in claim 1, wherein the step 1 comprises the following steps:

5. The method for intelligent network linkage networking collaboration based on the trusted security and high performance of the blockchain as claimed in claim 1, wherein the step 4 comprises the following steps:

6. The method for intelligent network linkage networking collaboration based on the trusted security and high performance of the blockchain as claimed in claim 5, wherein in the step 5, the legal node completes one call of the public service in the queried functional service through the public network, and the method comprises the following steps:

7. The method for intelligent network linkage networking collaboration based on the trusted security and high performance of the blockchain as claimed in claim 6, wherein in the step 5, the legal node completes the subscription of the public service in the queried functional service through the public network, comprising the following steps:

8. The method for intelligent network dynamic networking collaboration based on the trusted security and high performance of the blockchain as claimed in claim 7, wherein in step 5B06, after the current legal service node responds to the function service subscription request, the feedback of the relevant information to the current legal node specifically comprises the following steps:

9. The method for intelligent network linkage networking collaboration of trusted security and high performance based on blockchain as claimed in claim 7, wherein in step 5B06, the current legal service node feeds back the longitude and latitude information of itself to the current legal node comprises the following steps:

10. The method for intelligent network linkage networking collaboration of trusted security and high performance based on blockchain as claimed in claim 1, wherein in step 6011, the service dynamic network information in the service dynamic network registration request sent to the blockchain public network includes a communication frequency band and a network system of a current service dynamic network;