264results about How to "Not easy to tamper with" patented technology

An embodiment of the invention provides a block chain based business data tracing method, device and system and storage equipment. The method includes: receiving a tracing request which comprises a business data feature identifier; matching the business data feature identifier in a block chain of a local business node to acquire corresponding summary information, wherein the summary information refers to information generated by each business node on the basis of business data and / or aiming at operating information of the business data; extracting feature information corresponding to the business data feature identifier from the summary information so as to accurately learn where the business data comes from and goes to according to the feature information, so that management of a whole life cycle of the business data is facilitated.

The invention discloses a certificate false-proof verification method base on an identification authentication technology; a picture, words, a stamp, a signature and bioinformation of the certificate are processed to generate a file; a CPK identification private key based on identification authentication can be used to carry out digital signature and encrypt the file, and a cryptograph containing the digital signature is recorded on the certificate through a two dimension code; in certificate identification, a CPK identification public key based on identification authentication is used to carry out label verification, and the certificate information can be restored after the label verification is done so as to carry out comparison verification; if the cryptograph is over large, the cryptograph can be cut into more than two sub files respectively generating a two dimension code, and the two dimension codes can be decoded so as to splice into a complete cryptograph. A CPK identification public key for label verification can be obtained by local calculation, so connecting to a CA data base is not needed for signature verification and decoding the cryptograph; a smart phone, a laptop or a notebook computer can be used to realize verification in an offline mode; certificate detail information can be obtained through connecting to the internet so as to carry out certificate authentication, thereby completing false-proof and verification of the certificate.

The invention proposes a wireless Mesh network identity authentication method based on blockchain. The method comprises the following steps: registering with a trusted third party certification authority by a user and obtaining a digital certificate; adding a registered user to a wireless Mesh network as a user node, selecting a certain number of distributed verification nodes, broadcasting the digital certificate to the verification nodes and storing the digital certificate on the blockchain of the verification nodes; broadcasting information stored on the own blockchain of each verificationnode to all user nodes; encrypting and transmitting information between the user nodes through a public key system; after the transaction is completed, broadcasting HASH values of transaction data tothe distributed verification nodes by the user nodes; adding timestamps to the HASH values by each distributed verification node, obtaining transaction information, and saving the transaction information on the blockchain of each distributed verification node. According to the wireless Mesh network identity authentication method based on the blockchain provided by the invention, the digital certificate and the transaction information are stored on the blockchain, so that information leakage and Internet fraud are effectively solved, and the data security is guaranteed.

The invention provides a role access control system based on a block chain smart contract. According to RBAC rule setting, the role access control system based on the block chain smart contract is logically divided into a data layer, an access control layer and a presentation layer, and the role access control system based on the block chain smart contract is divided into a user module, a role module and an authority module according to function modules. The invention further provides a role access control method. Contract deployment, administrator initialization and role and authority configuration need to be completed before the access control system is used; and then, the user can perform login, a manager can do works such as audit and role distribution. The role access control method comprises the following steps: 1, deploying an intelligent contract of a role access control system based on a block chain intelligent contract in a block chain system; 2, configuring permission and roles; 3, the user registering an account; 4, auditing user registration; 5, the administrator allocating roles to the users; and 6, the user logging in and accesses the system by using the secret key.

The invention discloses an internet e-commerce financing management method and system based on a block chain, and the method comprises the steps: building an internet e-commerce financing alliance chain of each bank and an e-commerce platform, and enabling the internet e-commerce financing alliance chain to store enterprise transaction data and credit data; According to the data stored in the internet e-commerce financing alliance chain, creating a credit model of the enterprise; And based on the enterprise transaction data in the Internet e-commerce financing alliance chain and the credit model of the enterprise, financing the enterprise to realize financing management of the enterprise. According to the invention, the multi-party trust problem in a supply chain financial scene is solved,and the credit risk is effectively reduced.

The embodiment of the invention relates to a digital certificate verification method and device, computer equipment and a storage medium. The method comprises the following steps: a verification request for verifying a target digital certificate is received; a target transaction record corresponding to the target digital certificate is acquired from a block chain, wherein the target digital certificate is stored in the block chain by serving as a transaction resource; a target account type corresponding to the target transaction record is acquired, wherein different account types correspond todifferent certificate operation states; and a verification result corresponding to the target digital certificate is determined according to the target account type. According to the method, the network security can be improved.

The invention discloses an anti-counterfeiting source tracing system based on a block chain. The system comprises the following functional modules: (1) a verification code generation module which is used for generating the unique verification code of the product; (2) a verification information storage module which stores verification information in the block chain; (3) a verification code readingmodule which reads external anti-counterfeiting information and identifies the corresponding verification code; (4) a verification code verification module which decodes and identifies the verification code; and (5) a commodity information output module which reads product information out of a database after successful matching. The unified and secure anti-counterfeiting verification mode is provided through the block chain technology and can be additive to the existing external anti-counterfeiting means so that the multistep anti-counterfeiting verification process can be simplified and the cost for anti-counterfeiting verification can be saved. New technical support is adopted so that more product information can be provided on the basis of the original anti-counterfeiting information, and the buyer of the commodity is enabled to participate in the source tracing process of the commodity and get more recognition from the commodity buying process.

The invention provides a digital asset evidence storage method based on a blockchain. The method comprises the following steps: enabling a user to verify a node and log in; encrypting the original file; selecting nodes which are active and have few times of going wrong in the IPFS system as evidence storage nodes; distributing file fragments to the selected evidence storage node, and returning a corresponding Hash value by the IPFS system; calling an intelligent contract, and storing metadata of the file and fingerprint data obtained by performing Hash function calculation after encryption into a blockchain; screening out a main node for accounting through a PoA consensus algorithm, wherein the main node is responsible for generating blocks and packaging transaction data, and then broadcasting and synchronizing; and when authentication is needed, authorizing the authentication mechanism to access the original file and historical data stored in the blockchain, and verifying whether thedata is modified or not. According to the evidence storage method, the evidence storage file is stored based on the blockchain by utilizing the blockchain technology, meanwhile, bloating of the blockchain is avoided, the confidentiality of the uploaded file is guaranteed, and evidence collection is easier and more direct.

The invention is applicable to the technical field of information security, and provides a test information recording system and a test information recording method based on a block chain. The systemcomprises a management server, a plurality of test information recording nodes and a plurality of vehicle-mounted terminals. The management server and the examination information record node adopt theunion chain way to establish the chain, and form the block chain network; The management server is used for establishing the creation block; The vehicle terminal obtains the examination information;as the examination information record node records the examination information, an Examination Information Recording Request is initiated, transaction unique identification number is obtained,, the test information and a transaction unique identification number are packaged to form transaction data, if the transaction data is selected as the bookkeeping node, the transaction data is packaged according to the block data structure to generate a block, the generated block is broadcast to the rest of the examination information recording nodes, and the generated block is added at the end of the existing block chain. The invention enhances the safety of the examination information recording system.

The invention relates to a blockchain-based method for inter-multi-terminal message communication, a terminal and a storage medium. The method comprises the steps that: when performing message communication, a producer terminal encrypts both the message plaintext and the key by using a predetermined encryption method, and uploads the encrypted message plaintext and the key to the blockchain; and the consumer terminal, by adopting a blockchain polling mode or a blockchain event monitoring mode, first decrypts the encrypted key, and then decrypts the encrypted message plaintext with the key, thereby performing message communication. The invention is capable of effectively guaranteeing the message communication process and the confidentiality of the message plaintext.

Adata processing methodis implemented in a system including a processor. The system receives a request for transferring amount from an initiating user client, where the request includes an initiating user identification and target information. The system obtainsa target user identification and an allotted amount of the target user identification based on the received request, wherein the allotted amount is smaller than or equal to a total amount corresponding to the target information. The systemencapsulates the target information and the allotted amount in a dialog message, and sending the dialog message to a message window of a target user client corresponding to the target user identification. The systemreceives a confirmation request from the target user for confirming the dialog message on the message window of the target user client, then subtracts a corresponding amount from a first account and adds the corresponding amount to a second account.

The invention discloses a secure broadband access method, a secure broadband access authentication method, a secure broadband access device, a secure broadband access authentication device and a secure broadband access system. The secure broadband access method comprises the following steps: performing private key signature process on user broadband account information read from a chip memory, wherein the user broadband account information comprises a user name and a password; coding the user broadband account information through the private key signature process and a user personal digital certificate read from the chip memory respectively; organizing the coded user broadband account information and the coded user personal digital certificate to form authentication information, and sending the authentication information to an access authentication system so that the access authentication system authenticates the authentication information; and under the condition that the authentication information passes the authentication of the access authentication system, receiving login success message sent by the access authentication system. The invention improves the security of the authentication information in the transmission process.

The invention discloses a method, a device and a system for processing a payment transaction and is used to improve the safety level of an electronic payment. The method comprises the following steps: a third party payment platform receives a payment transaction request sent by a third party payment client; the third payment platform confirms first payment transaction information which corresponds to first payment labeling information carried in the payment transaction request according to a corresponding relation between the preserved payment transaction information and the payment labeling information; the third party payment platform sends the first payment transaction information to the third party payment client and enables the third party payment platform to carry out a payment processing according to the first payment transaction information.

The invention relates to the technical field of cargo management, in particular to a cargo management method based on a block chain technology, comprising the following steps: connecting with each service system, reading transaction request information and service progress information; performing Judging according to the predefined business rules, classifying the business, processing the business,and recording on the block chain; Listening to the result information to be fed back in the processing result recorded by the block chain, and feeding the result information to each business system.The invention can efficiently and clearly record and manage various state information of the goods, and is convenient for subsequent inquiry at the same time.

The invention discloses an image data encryption method and system and an image data decryption method and system. The encryption method includes the steps of conducting data grouping on image data to be transmitted, conducting pseudorandom reassembling on the grouped image data, and conducting encryption on the reassembled image data to obtain cryptograph data. The decryption method includes the steps of obtaining the cryptograph data, conducting decryption on the cryptograph data through a decryption key corresponding to an encryption end to form plaintext data, conducting reverse pseudorandom reassembling on the plaintext data to form multiple sets of data according to the grouping rule of the encryption end and the pseudorandom reassembly rule, and conducting splitting and re-ranking on the multiple sets of data to form the image data. According to the image data encryption method and system and the image data decryption method and system, the difficulty in illegally reading images for the eavesdropping part can be increased, and the image data can not be easily read or tampered.

The invention is applicable to the technical field of information security, and provides an electronic passenger ticket storage system based on block chains and an electronic passenger ticket storagemethod. The system comprises a management server, a plurality of accounting nodes and a plurality of ticket selling nodes. a plurality of accounting nodes includes a firds accounting node and other accounting nodes; The management server and the bookkeeping node adopt the federation chain mode to establish the block chain network; The management server is used for establishing the creation block;The ticket selling node generates the electronic ticket by packaging the information of the flight, the digital signature of the ticket selling node and the public key of the ticket selling node, executes the intelligent contract, calls the storage interface, and publishes the electronic ticket to the block chain network through the data transmission module. The first bookkeeping node receives theelectronic ticket on the block chain network, stores the electronic ticket in the block body of the new block, obtains the current time, adds the current time to the block head of the new block, andpublishes the new block to the block chain network. The invention enhances the security of the electronic passenger ticket storage system.

The invention provides a trust chain construction method and apparatus. The method comprises the steps of marking out a security storage space for an ARM processor and storing hardware information as a root of trust in the security storage space; starting a TPM (Trusted Platform Module) based on the root of trust, performing a power-on self-test, and determining that the TPM is available; by utilizing the TPM, measuring codes and data of an initialization module of an EFI (Extensible Firmware Interface) and a server from a power-on stage to an operating guide stage; verifying whether the codes and the data of the initialization module of the EFI and the server from the power-on stage to the operating guide stage are complete or not, and if yes, loading the codes and the data of the initialization module of the EFI and the server from the power-on stage to the operating guide stage; measuring drive files and device files in a drive execution environment and a drive program by utilizing the codes of the initialization module of the EFI and the server from the power-on stage to the operating guide stage; and verifying the completeness of the drive files and the device files. According to the scheme provided by the method and apparatus, the credibility of the root of trust is effectively improved.

The invention discloses a traceability system based on a block chain, and relates to the technical field of blockchain and information traceability. The system comprises an alliance chain management module, a block chain browser module, a traceability code generation module, an information storage module, an information reading module, a caching module, a commodity information reading module and an SDK module, and the alliance chain management module can manage and maintain block chain nodes and newly add consensus nodes for key link manufacturers on a supply chain in the block chain. According to the traceability system based on a block chain, the information security Tamper-resistant properties of the block chain are utilized;, the information can be protected from being stolen and tampered; the product information can be kept transparent and public in front of consumers; the credibility of the traditional traceability system is improved, the anti-counterfeiting traceability system can adapt to the existing external traceability means on the market, the anti-counterfeiting traceability work of the original product is supplemented and updated, and multiple anti-counterfeiting processes adopted by manufacturers are simplified, so that the labor and financial cost of the work is reduced.

The invention discloses an access control authority identification method and device. The method and device are used for an access control terminal. The method comprises, through a private key in a key pair produced in a SAM card, carrying out signing on a first random number transmitted by a user card and verifying a digital certificate and a signature of the user card through a certification authority root certificate in the SAM card. The private key cannot be read and the certification authority root certificate is not easily tampered so that access control system safety is improved.

The embodiment of the invention relates to the technical field of block chain, and provides a block chain drug management and control method, a device, a computer readable medium and an electronic device. The block chain drug management and control method comprises the following steps of: constructing a block chain network according to a plurality of information nodes obtained by tracing a whole process of a drug; Automatically identifying potential risks of medicines for the plurality of information nodes in the block chain network based on a negative feedback checking method, and obtaining arisk level; If it is recognized that the risk level of the drug at any link reaches the reminder rule, a reminder message is generated. The technical proposal of the embodiment of the invention can upload the data of each information node generated by the drug whole process tracking to the block chain, so as to protect the privacy of the drug whole process tracking and other related information stored in the block chain, so as to be traceable and difficult to tamper.

The invention relates to a video file piracy detection method and system. The invention discloses a video file piracy detection method and system based on a block chain technology. The method comprises the following steps: a genuine video file is collected to a central authentication server; The central authentication server splits the genuine video file into sequence framing data, samples the sequence framing data to obtain component hash of the sampled sequence framing data, and links the component hash and ownership information together; And the to-be-verified video file is uploaded to theauthentication center server. And splitting, sampling and storing are carried out on the component hash of the video file to be verified, and the component hash is compared with the component hash ofthe genuine video file to obtain whether the video file is a genuine video or not. The integrity of the file can be confirmed; The result on the block chain is not easily tampered and traceable, the to-be-detected video file is quickly sampled and compared, and whether the to-be-detected video file is a genuine can be detected by comparing the to-be-detected video file with a genuine video file, so that the ownership right of the video file is protected.

The invention relates to a goods warehousing system based on an intelligent contract. The output end of a login module is electrically connected with the input end of an information interaction module; the output end of the information interaction module is electrically connected with the input end of the intelligent contract module and the input end of the blockchain storage module, the output end of the intelligent contract module is electrically connected with the input end of the monitoring module and the input end of the blockchain storage module, and the output end of the monitoring module is electrically connected with the input end of the blockchain storage module; the login module is used for a user to log in the system and generate a key; the information interaction module receives the information of the secret key; wherein the intelligent contract module is used for users to publish information and obtain browsing authority, the intelligent contract module is used for generating contracts from cooperation information and quotation information confirmed by both parties and transferring accounts, the monitoring module is used for visually managing goods and generating visual goods data, and the block chain storage module is used for storing the cooperation information, the quotation information, the visual goods data and the contracts.

The invention relates to the technical field of data storage, in particular to a data storage method and device based on a block chain, equipment and a storage medium. The data storage method based onthe block chain comprises the following steps: obtaining transaction data of any client, generating a transaction data packet, carrying out statistics on the data volume in the transaction data packet, and creating a block corresponding to the client according to a statistical result; obtaining to-be-stored transaction data of at least one client, and generating a to-be-stored transaction data sequence from the to-be-stored transaction data according to the generated time sequence; extracting an identifier of a client carried in the to-be-stored transaction data, and writing the to-be-storedtransaction data sequence into a block corresponding to the client according to the identifier of the client; And endowing each block with a key value, and writing the to-be-stored transaction data inthe block into a key value database according to the key value. According to the technical scheme, the data storage efficiency is improved, the data is not easily tampered, and the source of the datacan be quickly and effectively found when the historical data is traced.

The embodiment of the invention relates to the technical field of information, and provides an intelligent building management method and device, a medium and an electronic device. The method comprises the steps: collecting the position information, health information and environment information of personnel in an intelligent building, and carrying out the video monitoring; comparing the health information of the personnel in the intelligent building with a preset health standard, and predicting whether a health safety risk exists or not; comparing the environment information of the intelligent building with a preset environment standard, and predicting whether an environment safety risk exists or not; analyzing abnormal behaviors in the intelligent building according to video monitoring;and when at least one of the health safety risk, the environment safety risk and the abnormal behavior exists, sending risk prompt information in combination with the position information. According to the embodiment of the invention, the position information, the health information and the environment information of the personnel in the intelligent building are compared with the standard, the health of the personnel and the safety risk existing in the environment are predicted, and early warning information is given in time according to the prediction result.

The embodiment of the invention provides a traceability system and method. The method comprises the steps that if a server receives login operation from terminals, the server authenticates users and sends pass instructions to the corresponding terminals after the users are authenticated successfully, thereby allowing the users to carry out follow-up operation; the server allocates corresponding information codes or traceability codes and sending the information codes or traceability codes to corresponding printing devices, wherein a mapping relationship is formed between the information codesand the traceability codes; the printing devices print the corresponding information codes and traceability codes; network camera devices play corresponding operation demands, thereby prompting the users of accurate operation for carrying out current steps; the network camera devices photograph scene videos of the corresponding current steps; the network camera devices screen the photographed videos and add corresponding labels to the screened videos, thereby forming video traceability information, wherein an association relationship is formed between the labels, and the information codes andthe traceability codes, and the video traceability information and text traceability information corresponding to the labels and the information codes are checked through the traceability codes.

The embodiment of the invention relates to the technical field of information, and provides a health information management method and device, a medium and electronic equipment. The health informationmanagement method comprises the steps that in a preset monitoring period, based on historical health information, personalized health indicator ranges in different time periods in a day of a user arecounted; according to the personalized health indicator ranges and a preset conventional health indicator range, the current health information of the user is used for predicting the health state ofthe user; by combining the position information of the user and targeting the environmental monitoring information of the position information, the occurrence probability of an emergency event is predicted; according to the health state of the user and the occurrence probability of the emergency event, a health warning message is generated. According to the embodiment, favorable guarantees are provided for the sharing and management of the health information of the user and emergency event in an intelligent sensing Internet in a home environment.

The invention is applicable to the technical field of information security, and provides an air monitoring data storage system and a storage method based on a block chain. The system comprises a management server, a plurality of air monitoring data recording nodes and a plurality of air monitors used for air monitoring. The management server and the air monitoring data record node adopt the unionchain way to establish the chain, the block chain network; the management server is used for establishing the creation block; the air monitor packages the air monitoring information, the digital signature of the air monitor and the public key of the air monitor to generate air monitoring data packets, and then distributes the air monitoring data packets to the block chain network through the wireless data transmission module. The first air monitoring data recording node receives the air monitoring data packet, stores the air monitoring data in the block body of the new block, obtains the current time, adds the current time to the block head of the new block, and publishes the new block to the block chain network. The first air monitoring data recording node receives the air monitoring datapacket, stores the air monitoring data in the block body of the new block, obtains the current time, adds the current time to the block head of the new block, and issues the new block to the block chain network. The invention enhances the safety of the air monitoring data storage system.

The invention discloses a method and system for making a WeChat H5 web page. The method mainly includes the steps of establishing a network data connection between a web server and an editing terminal; loading basic production data to the editing terminal; setting the compression ratio of the data according to the network state of the editing terminal; according to user's choices, obtaining production data for editing the WeChat H5 page by a storage unit of the editing terminal and / or a storage unit of the web server; generating the WeChat H5 page according to the acquired production data, user operations and set rules; uploading the above WeChat H5 page to the web server for storing or publishing according to the user operations. In the process of editing, data transmission between the editing terminal and the web server is all compressed so as to reduce the occupation of communication resources by the data transmission, and in the process of compression, data is encrypted to prevent third party tampering, so that the data transmission in the whole process of editing is faster, and the method and system for making the WeChat H5 web page are suitable for use at mobile terminals.