126results about How to "Reduced risk of tampering" patented technology

The invention discloses an asset transaction method and a system. The method comprises steps that an acquired first transaction request is signed by a consignment agency, the first transaction request after signature is sent to the block chain network established on the basis of the P2P network, the first transaction response data is constructed by an issuing mechanism on the basis of the first transaction request acquired from the block chain network, the first transaction response data is sent to the block chain network so that validity of the first transaction response data can be confirmed by a block chain node on the block chain network responsible for accounting, the first effective transaction response data is written in a block chain data block, the block chain data block is acquired by the consignment agency through the block chain network, and asset transaction with the issuing mechanism and the consignment agency is accomplished. Through the method, transaction steps between the issuing mechanism and the consignment agency can be reduced in a transaction process, risks of being tampered of the data can be reduced, asset transaction confirmation cost is reduced, and operation cost of the block chain network is further reduced.

The invention provides a trusted computing cryptogram platform suitable for a general computation platform of an electric system. The cryptogram platform comprises a trusted computing cryptogram module and a trusted software system, wherein the trusted computing cryptogram module comprises a trusted measurement root, a trusted storage root and a trusted report root and is a transferring starting point of a platform trust chain; and the trusted software system comprises a trusted computing cryptogram driving module, a measurement module and an auditing module and provides an interface which uses the trusted computing cryptogram platform for an operating system and application software. The trusted computing cryptogram module is the trusted root which provides trusted environment for the operation of the trusted computing cryptogram platform, and the trusted software system is a core for realizing the functions and the service of the trusted computing cryptogram platform and provides guarantee for the management of the trusted computing cryptogram platform. The trusted computing cryptogram platform can provide functions including static measurement, dynamic measurement, white lists, access control and the like for a business system, and manages the sources and the operation of the system software to guarantee that the software is trusted, recognizable and controllable.

The invention is applicable to the field of computer technology, and provides an intelligent contract bookkeeping method, a computer device and a readable storage medium. The method comprises the following steps: a user bookkeeping node constructs an intelligent contract calling transaction, and broadcasts the transaction throughout the network after signing; The bookkeeping node verifies the contract call transaction after receiving the contract call transaction, and stores the contract call transaction into the contract queue after the verification is passed; At the same time, the contract management server transfers out the contract corresponding to the transaction from the contract queue and executes the contract, generates the contract execution result, and creates the contract returnresult transaction according to the contract execution result and broadcasts after signing; The bookkeeping node performs transaction signature verification after receiving the contract return resulttransaction, stores the contract return result transaction into the queue to be packed after verification, updates the intelligent contract information of the block and broadcasts the block, triggersthe bookkeeping operation. The bookkeeping operation safety of the invention is good, and the intelligent contract can be more focused on the service of the service data, thereby improving the service efficiency.

The invention discloses a smart city system, and belongs to an Internet of things system. The system comprises a smart city information system, a smart city physical system and a smart city function system. The smart city information system comprises an object domain, a communication domain, a management domain, a service domain and a user domain; the smart city physical system comprises multiple Internet of things units, wherein each Internet of things unit comprises a sensor, an Internet of things intelligent gateway, a service provider management server and a user end; and the smart city function system comprises an object platform, a communication platform, a management platform, a service platform and a user platform. The integral smart city system provided by the invention is simple in structure and diversified in transmission modes, has great reference significance for arrangement of various modes in construction of a smart city, can be used as a system with different functions in a smart city design system, and is wide in application scope.

The invention discloses an Internet of things information system structure and relates to the Internet of things transmission technology field. The structure comprises a sensor system, a sensing network, a service provider equipment system, a common service facility system and a user terminal. The sensor system establishes a communication protocol with a service provider management facility system through the sensing network. The service provider management facility system establishes the communication protocol with the common service facility system. The common service facility system establishes the communication protocol with the user terminal. By using the Internet of things information system structure provided in the invention, the structure is simple, a transmission process is diversified, the structure is suitable for various kinds of Internet of things application systems and an application scope is wide.

Theinvention provides an asset certification authorization check method, system, an electronic device and computer readable storage medium. The asset certification authorization check method and system comprises a first asset certification production module, a first authorization certification production module, a first sending module, a first receiving module, a first verification module, a firstasset certification calculation module and a first asset certification module. Data transmission automation can be realized; and data manipulation risks can be reduced.

The invention discloses a blockchain-based DNS root data distribution method and system. The root data of a root node are obtained through a pre-established miner node in a root data distribution network, then the freshness of the obtained root data is compared with that of the root data of the latest block on a local blockchain, the root data are verified based on the blockchain technology, basedon the characteristics of the blockchain technology, if a large number of links need to be hijacked, it is necessary to tamper more than half of the miner node data, so that the difficulty is large,and a DNS root data distribution network is formed via various miner node networks in the blockchain technology to reduce the tampering risk of the data. Furthermore, zone data of the root node are verified by the blockchain technology to improve the security of the obtained root data, and the network fastness of root data distribution is achieved through a blockchain network.

The invention discloses a cloud distribution network cache content verification method and device, network, a storage medium and a computing device. The disclosed cloud distribution network cache content verification method comprises the following steps of generating first summary data on the basis of a cache content corresponding to a source station content; acquiring second summary data from a block chain; and verifying the consistency between the cache content and the source station content on the basis of the consistency between the first summary data and the second summary data, wherein the second summary data is generated based on the source station content. According to the technical scheme, the risk that data is tampered after a single centralized database is attacked is reduced.

The invention discloses an intelligent gas meter system with the remote locking function and relates to the technical field of Internet of things intelligent gas meters. The intelligent gas meter system comprises an intelligent gas meter sensing unit, an intelligent gas meter locking control unit, a sensing information communication system, a control information communication system and a gas company gas comprehensive management system. The intelligent gas meter sensing unit and the intelligent gas meter locking control unit are in communication with the gas company gas comprehensive management system through the sensing information communication system and the control information communication system respectively, and locking control over an intelligent gas meter is achieved. The intelligent gas meter system is simple in structure, the transmission process is diversified, information transmission is safer and more reliable, and responses to the locking function of the intelligent gas meter and control over the locking function of the intelligent gas meter can be effectively achieved.

The invention discloses an intelligent water meter system with remote locking function, and relates to the technical field of Internet of Things intelligent water meter. The intelligent water meter system with remote locking function comprises an intelligent water meter sensing unit, an intelligent water meter locking control unit, a sensing information communication system, a control information communication system and a water supply integrated management system of water supply company. The intelligent water meter sensing unit and the intelligent water meter locking control unit respectively build communication connection with the water supply integrated management system of water supply company through the sensing information communication system and the control information communication system; and locking control for the intelligent water meter is realized. The intelligent water meter system with remote locking function is simple in structure, has diversified transmission process, transmits information more safely and reliably, and can effectively realize response and control to the locking function of the intelligent water meter.

The invention provides a video stream processing method, device and equipment for a broadcast and TV cloud platform, and a medium, and belongs to the technical field of video processing. The method comprises the steps: dividing to-be-processed video stream data into a plurality of data blocks; selecting a part of the plurality of data blocks as to-be-encrypted data blocks according to a preset rule; encrypting each to-be-encrypted data block; performing distributed cloud storage of the encrypted data block and the unencrypted data blocks in the plurality of data blocks, wherein the storage sequence of the encrypted data blocks and unencrypted data blocks is different from a position sequence in the to-be-processed video stream data, so that in the open broadcast and TV cloud platform, thecriminals can read all the video stream data blocks stored on the cloud server, but cannot know which data blocks belong to the same file and in what order the data blocks are arranged to form file, thereby reducing the risk that a new media news video of the broadcast and TV cloud platform will be tampered.

The invention provides an update method, an update system and a security authentication device. After the security authentication device receives an update command, the device generates a certificate request by using a certificate renewal key preset in the security authentication device. After that, the device applies a certificate to a security authentication server by using the certificate request. Since the certificate request is generated based on the certificate renewal key preset in the security authentication device, the certificate request is encrypted in the security authentication device. Meanwhile, the security authentication device itself is capable of resisting attacks and avoiding the key leakage, so that the certificate request grenade by the security authentication device is higher in security. Therefore, the risk that the certificate request is tampered is lowered. As a result, the security of the update process is improved.

The invention discloses a data transmission method and device, and electronic equipment, and relates to the technical field of network security. The data transmission method comprises steps of based on a public key pair determined by a data receiver and a data sender through message negotiation, performing digital signature on the to-be-requested data in combination with a first private key and asecurity hash algorithm to obtain a first message abstract; packaging the first private key, the first message abstract, the to-be-requested data and the identification information of the data senderto generate an information request message; and sending the information request message to a data receiver, so that the data receiver verifies the integrity of the to-be-requested data based on the first private key and the first message abstract to ensure the original integrity in the data transmission process.

The invention relates to the technical field of software upgrading and discloses a method and a device of upgrading Web software. The method comprises the following steps of: at an upgrade server side: generating an upgrade sequence set by an original upgrade package; encrypting the original upgrade package and the upgrade sequence set to obtain an encrypted upgrade package and an encrypted upgrade sequence set; at a local service side: decrypting the encrypted upgrade package and the encrypted upgrade sequence set to obtain a decrypted upgrade package and a decrypted upgrade sequence set; comparing a file included in the decrypted upgrade package and file information in the decrypted upgrade sequence set; if not matched, stopping upgrading; and if matched successfully, upgrading according to an upgrade file. According to the method and the device, when data are transmitted, the encryption processing is carried out on the data, so that the risk of tampering the data is reduced; in addition, accuracy of the obtained upgrade file is judged, so that security of software upgrading is improved.

The embodiment of the invention discloses an identity verification method, device and equipment. According to the scheme, the method comprises the steps that identity verification information shown bya user is acquired, the identity verification information is generated according to information fed back by a third-party server in response to an identity identifier generation request carrying a user identity certificate, and identity recognition information of the user is acquired; and performing identity verification on the user according to the identity verification information and the identity recognition information to obtain a verification result.

The embodiment of the invention discloses a coupon data processing method, device and system and a storage medium, wherein, the method comprises the following steps: a user terminal obtains coupon data corresponding to a service event in a first block chain node; the coupon data is service data selected in a user account based on the service event; the user terminal obtains the coupon data corresponding to the service event in the first block chain node; the user terminal sends the service event and the coupon data to the service terminal based on the service server; the service terminal receives the service event and the coupon data sent by the user terminal; the service terminal obtains the data transfer information corresponding to the coupon data in the second block chain node, and obtains the attribute information corresponding to the coupon data based on the service server; the service terminal verifies the coupon data based on the data transfer information and attribute information, and executes the service event after the verification is passed. By adopting the invention, the risk that the coupon data and the attribute information are tampered with can be effectively reduced, and the security of the coupon data and the attribute information can be improved.

The invention provides a display result generation method, a display result generation system, a display result generation device, a computer readable storage medium and electronic equipment, and relates to the technical field of computers. The method comprises the steps of obtaining a first-class interaction data set corresponding to a display object; receiving a second-class interaction data setwhich is sent by the participant equipment and aims at the display object, and obtaining second-class evidence storage data corresponding to the display object from the blockchain network; performingcorrectness verification on the second-class interaction data set according to the second-class evidence storage data; and if the second-class interaction data set is correct, generating a display result corresponding to the display object according to the first-class interaction data set and the second-class interaction data set. It can be seen that the risk that the data is tampered can be reduced and the accuracy of the display result is ensured by implementing the technical scheme of the invention.

The invention relates to the technical field of block chains, in particular to an examination information evaluation method and device based on a block chain, equipment and a storage medium. The method comprises: collecting examination information of an examination terminal, and establishing a block according to the examination information; assigning an ID identifier to the block, recording data generated by the block according to the ID identifier, and calling an intelligent contract to carry out contract check on the data generated by the block; and obtaining an examination result in the block which passes contract examination, scoring the examination result, and broadcasting the scoring result to a target block which needs to obtain the scoring result. Through the block chain technology, the risk that the examination performance is tampered is reduced, the counterfeiting risk is reduced for workplace workers, education training and the like, and the social activity efficiency is improved.

The invention discloses an intelligent water meter system with a remote valve control function, and relates to the technical field of Internet-of-things intelligent water meters. The intelligent water meter system comprises an intelligent water meter sensing unit, an intelligent water meter valve control unit, a sensing information communication system, a control information communication system, and a water supply company water supply integrated management system. The intelligent water meter sensing unit and the intelligent water meter valve control unit are respectively in communication connection with the water supply company water supply integrated management system through the sensing information communication system and the control information communication system. Valve control of the intelligent water meter is realized. The intelligent water meter system has a simple structure. The transmission process is diverse. Information transmission is safer and more reliable. The intelligent water meter remote valve control function can be effectively responded to and controlled.

The invention discloses an intelligent gas meter system with a prepayment function and relates to the technical field of IOT (Internet of things) intelligent gas meters. The intelligent gas meter system comprises an intelligent gas meter sensing unit, an intelligent gas meter prepayment control unit, a sensing information communication system, a control information communication system and a gas-company gas integrated management system, wherein the intelligent gas meter sensing unit and the intelligent gas meter prepayment control unit establish communication connection with the gas-company gas integrated management system through the sensing information communication system and the control information communication system respectively; prepayment control of the intelligent gas meter is realized. The intelligent gas meter system is simple in structure, the transmission process is diversified, the information transmission is safer and more reliable, and response and control for the prepayment function of the intelligent gas meter can be effectively realized.

According to the data sharing method and device, the electronic equipment and the readable storage medium provided by the invention, the sharing request of the private data submitted by the first nodethrough the alliance chain is received, and the request of the sharing request is stored and recorded in the alliance chain distributed account book, so that the second node obtains the sharing request and responds to the sharing request; receiving private data uploaded by a second node, and writing the private data into a private data area of the alliance chain distributed account book in a block form; sending a data addition message to a first node, so that the first node downloads the private data from a private data area of the alliance chain distributed account book according to the dataaddition message; according to the embodiment of the invention, the sharing request and the private data are stored on the alliance chain distributed account book, so that the risk of being tamperedis reduced, the security is improved, the whole process is automated, and the efficiency is improved.

The invention discloses a device for assisting in realizing USB Key safety. The device is connected between a device for operating an on-line bank system and a USB Key and comprises an information receiving unit, a control unit and an information transferring unit, wherein the information receiving unit is used for receiving transaction data information sent by the on-line bank system; the controlunit is used for sending the transaction data information to the USB Key when confirming information of users is received; and the information transferring unit is used for receiving the transactiondata information after the USB Key carries out digital signing and returning the transaction data information to the on-line bank system. By using the device, the common USB Key can have the same safety property with the USB Key with a confirm key. Simultaneously, if the control unit can not normally receive the confirming information, only the device is replaced without changing , therefore, thecost is saved.

The invention discloses a lithium battery core and a manufacturing method. The lithium battery core comprises at least one positive electrode sheet, at least one negative electrode sheet and at least one diaphragm, wherein the positive electrode sheet comprises a positive current collector and a positive electrode active material, the positive current collector comprises a plurality of first small sheets which are parallel at intervals, the adjacent first small sheets are connected by bent blank areas, the positive electrode active material is coated on the side surface of the first small sheet, the negative electrode sheet comprises a negative current collector and a negative electrode active material, the negative current collector comprises a plurality of second small sheets which are parallel at intervals, the adjacent second small sheets are connected by bent blank areas, the diaphragm is bent in an S shape, and the first small sheets and the second small sheets are sequentially and alternately connected to the space formed after the diaphragms are bent and between the adjacent diaphragms, and are connected with the diaphragms. The manufacturing method comprises the steps of inserting, folding and combining. According to the invention, the electrode sheets are fixed, the short-circuit risk of the battery core is reduced, the production efficiency is improved, the lamination qualification rate can be effectively improved, and the production process is effectively simplified.

The invention discloses a network system access method and device, computer equipment and a readable storage medium, relates to the technical field of Internet, and aims to determine whether to starta write-in function for a terminal or not according to a terminal domain name of the terminal, reduce the risk that data in a network system is tampered, and effectively ensure the safety and high availability of the network system. The method comprises the steps that when an access request of a terminal is received, inquiring a terminal domain name of the terminal according to a terminal identifier of the terminal, and the terminal domain name indicates the access permission of the terminal to a network system; if the terminal domain name is an external network domain name, determining the current physical position of the terminal, selecting a target network system from at least one preset network system according to the physical position, and enabling the target geographic distance between the target network system and the physical position to meet the distance requirement; and closing a write-in function of the target network system, and accessing the terminal to the target networksystem.