33results about How to "Guaranteed storage security" patented technology

The invention discloses a cloud data sharing method based on a block chain, and the method comprises the steps: the block chain is constructed, an initialization generator is accessed, and the systeminitialization is performed; the user performs identity registration and joins the blockchain network to obtain an identity ID; the data owner uploads the data index and the encrypted data to the CSC;after successful uploading, the cloud storage center CSC stores the encrypted data and the index list; after the shared data is uploaded successfully, the data owner formulates an access strategy, encrypts an owner key, generates a new block in the block chain, and records data uploading information and an encryption key; the user sends an access request to a cloud storage center CSC and uploadsa data index needing to be accessed; the user submits attributes to the KGC and the CSC, and the KGC and the CSC jointly generate and issue a key to the user according to the attributes; and the useracquires the symmetric key ciphertext and decrypts the symmetric key ciphertext. According to the invention, the encryption key of the data owner is managed through the blockchain, an effective key management mechanism is provided, and the problem of secure sharing of cloud data is solved.

The invention discloses an establishing and operation method for a portable smart password management system. The operation steps comprise 1, registering a system account; 2, generating digital certificate information; 3, transmitting the digital certificate information; 4, generating a master password and inputting user personal information; 5, carrying out secret sharing on the user master password; 6, storing password information in a database; 7, verifying integrity of database information; 8, logging in the system account at a network terminal; 9, recovering the password information from the database; 10, synchronizing the password information to the network terminal; 11, finishing automatic login operation by the network terminal; 12, authorizing other users, thereby enabling the other users to use the password information; 13, inputting the personal information to initiate password finding operation; 14, judging a user identity and recovering the user master password; and 15, modifying a social relationship attribute. According to the method, the password management efficiency is clearly improved, the convenient degree of using the password by the user is increased, the security of the password is improved, and the method has popularization prospect.

The invention relates to a virtual machine static measurement method and device based on a built-in safe architecture. The method comprises the steps of in the starting process of a physical host, enabling safe independent equipment to carry out safety measurement on a host machine system and virtualization software to ensure credibility of the host machine system and the virtualization software;enabling the host machine system and the virtualization software to determine a to-be-measured virtual machine core file; analyzing the virtual machine mirror image file, extracting the content of theto-be-measured virtual machine core file, performing security measurement on the content, and generating a measurement value; if judging that the virtual machine is started for the first time, indicating that the metric value serves as a reference value to be stored in the safe independent equipment, and the virtual machine is started; and if judging that the virtual machine is not started for the first time, verifying the metric value and a reference value in the safe independent equipment, cancelling starting of the virtual machine if verification fails, and starting the virtual machine ifverification succeeds. According to the invention, the extension of the static measurement mechanism of the virtual machine to the virtual machine can be realized, and the security of the virtual machine is enhanced.

The invention provides a distributed processing-based urban intelligent traffic guidance system. The system comprises a management and control platform, an MQ (Message Queue) server, a protocol converter, an FTP (File Transfer Protocol) server, a control system and a display screen. According to the distributed processing-based urban intelligent traffic guidance system, full support of display screen program editing, management and play can be realized aiming at different industry information, the entire system is designed to be an open modularized structure; the system has a powerful network control function, the display control system has good network communication, remote control and self-detection performance and can realize automatic control and remote network control and display network information; the distributed system layout can realize quicker user connection of a resource, the extensibility is improved, and the safe storage and transmission of the information are guaranteed.

The invention relates to a block chain-based mortgage borrowing method, which is applied to a node of a first node set, and is used for recording a target mortgage borrowing contract submitted by a contract publishing user and publishing the target mortgage borrowing contract into a block chain. The target mortgage loan contract comprises at least one sub-contract; the sub-contract comprises at least one term index corresponding to an unlocking term for unlocking the contract asset, and an entrance for loading the unlocking term; an unlocking request for the target unlocking clause sent by therequester is received; a target unlocking term is obtained from the second node set according to the term index in the unlocking request; the obtained target unlocking clause is loaded into the target sub-contract through the entrance; and the target unlocking clause is executed according to the unlocking parameter in the unlocking request so as to unlock the contract asset corresponding to the target sub-contract. The block chain-based mortgage borrowing method provided by the invention can reduce the node synchronization pressure. The invention further provides a block chain-based mortgageborrowing system, a computer readable storage medium and computing equipment.

The invention relates to the technical field of traditional Chinese medicine processing, in particular to a traditional Chinese medicine tablet filling device which comprises an X-axis conveying mechanism, a filling mechanism, medicine bottles and bottle caps, wherein the filling mechanism and a Z-axis conveying mechanism are installed above the X-axis conveying mechanism; the filling mechanism comprises a first supporting frame, and a tablet tank is fixed to the top end of the first supporting frame; a solenoid valve is fixed to the bottom end of the tablet tank, and the Z-axis conveying mechanism comprises a second supporting box; a second conveyor belt is movably connected to the interior of the second supporting box, and the bottle caps are evenly distributed on the second supporting box; an X-axis driving mechanism is arranged behind the right side of the Z-axis conveying mechanism, and comprises a second supporting frame; and an X-axis sliding table is fixed to the top end of the second supporting frame, and the front end of the X-axis sliding table is slidably connected with a Y-axis driving mechanism. According to the filling device, a screw cap and sealing detection integrated structure is adopted, therefore the sealing detection can be carried out while the caps are sealed, and the storage safety of tablets is ensured.

The invention provides a gas pressure measuring device with high safety factor. The gas pressure measuring device comprises a gas pressure measuring sensor, a gas storage tank, a measuring data display screen, an exhaust pipe, a gas-pressure meter, a first flanged connecting pipeline, a gas-water separator, a valved drainage pipe, a second flanged connecting pipeline, a third flanged connecting pipeline, a suction pump, an adjustable fixed installation gas pipeline supporting frame, a detachable clearing core structure capable of adsorbing impurities, an explosion-proof auxiliary gas dischargestructure, a gas sampling to-be-inspected bottle structure capable of taking and putting and an explosion-proof auxiliary protective barrel structure. According to the gas pressure measuring device,a metal soft guide pipe, a cone-shaped suction pipe and an eduction pipe are arranged, self bending is advantageously adjusted according to the bending degree of a drilled hole, gas water can be conveniently sucked out, and the smooth progress of the gas pressure measurement work is ensured.

The invention discloses an power data management method based on a blockchain smart contract, and the method comprises the following steps: obtaining and transmitting basic information of a power terminal to a blockchain, and endowing the corresponding power terminal with a hash address; encrypting the power data through the hash address of the corresponding power terminal, and generating and sending the encrypted power data to a preset smart contract in the blockchain; acquiring a power data access request; matching the account address with an access permission account list in the smart contract to generate matching information; extracting corresponding encrypted power data in the smart contract according to the matching information and the power data in the power data access request; and decrypting the encrypted power data according to the hash address. The invention relates to the technical field of power management. The invention further discloses a power data management system based on the blockchain smart contract. The power data is safely and effectively managed based on the intelligent contract, and the management requirement of the power data is met.

The invention provides a big data analysis method based on the Internet of Things, and relates to the technical field of the Internet of Things. In the application, the method comprises the steps of: firstly, based on first device identification information of a target Internet-of-Things equipment, sending a device control instruction to the target Internet-of-Things equipment, and enabling a device operation program installed on the target Internet-of-Things equipment to operate according to the device control instruction to generate device operation data; secondly, judging whether storage request information for storing the equipment operation data is received or not; then, if the storage request information is received, obtaining the equipment operation data of the target Internet-of-Things equipment, and generating timestamp information based on the time information of obtaining the equipment operation data; and finally, sending the device operation data and the timestamp information to a target block chain pre-constructed for the target Internet of Things device for storage. Based on the method, the problem that in the prior art, the security of data storage is low can be solved.

The invention relates to the technical field of microcontroller encryption and, specifically, to a microcontroller object code protection method and system for protecting an object code of an IP supplier. The storage space in a microcontroller is divided into a secure key storage area, an object code ciphertext storage area and a customer code storage area for respectively storing a secure key, an object code ciphertext and a customer code, and the IP supplier encrypts an object code required to be protected by using a secure key and generates an object code ciphertext so that the object code ciphertext must be decrypted through a decryption module in the microcontroller when a program is running. In this way, the confidentiality of the object code is ensured, and the manufacturing and using costs are reduced as the write-in and upgrade processes of the object code ciphertext are operated by customers themselves.

The invention discloses a self-balanced circulating mechanical parking system suitable for new-energy vehicles and belongs to the field of new-energy vehicle parking equipment. The self-balanced circulating mechanical parking system comprises a support, charging interfaces, car carriers, electric rails A and electric rails B; the support is connected with the electric rails A and the electric rails B; the charge interfaces are respectively mounted at one sides of the car carriers, touches the electric rails A when moving to the mounting positions of the electric rails A along with the car carriers, and touches the electric rails B when moving to the mounting positions of the electric rails B along with the car carriers. Vertical contact groups are connected with balance motors, the balancemotors drive counter weights through lead screws to keep the car carriers balanced, horizontal contact groups are connected with sockets, and the new-energy vehicles can be charged through the sockets.

The invention discloses a grain and oil storage device. The grain and oil storage device comprises a base, wherein a shell is arranged at the upper end of the base, a display is arranged at the outerside of the shell, a storage box is arranged in the shell and a heat insulation belt is arranged between the storage box and the shell; a conduction sheet is arranged in the storage box, and the conduction sheet is movably connected with the storage box in a matched manner; a sealing cover is arranged at the upper end of the shell, the sealing cover is movably connected with the shell in a matchedmanner, and a pressure relief opening is formed in the upper end of the sealing cover; an electric power storage device is arranged at one side of the shell, an oil inlet pipe is arranged at the upper end of the electric power storage device, one end of the oil inlet pipe communicates with the storage box, and a valve is arranged at the other end of the oil inlet pipe and electrically connected with the electric power storage device; a connecting element is arranged at one end, away from a driver, of the shell and fixedly connected with the shell, and a plurality of oil outlet pipes are arranged at the other end of the shell; and a constant temperature device is arranged at the upper end of the connecting element and is fixedly connected with the connecting element. The grain and oil storage device is good in heat insulation performance, capable of monitoring the internal temperature of equipment in real time and high in safety performance.

The invention discloses an antibacterial cleaning solution used for preventing and curing bedsores. The antibacterial cleaning solution is characterized by consisting of the following components in proportion by 1000ml of the antibacterial cleaning solution: 2.5-10g of chlorhexidine or chlorhexidine salt, 1.5-4.5ml of organic acid, 50-100ml of propellant, 0.1-0.5ml of penetrant, 2.5-15ml of cationic surfactant, 2.5-5ml of zwitterionic surfactant, 5-10ml of nonionic surfactant and the balance deionized water. The invention further discloses a preparation method for the antibacterial cleaning solution. The antibacterial cleaning solution provided by the invention is safe and non-irritant, and the raw materials are simple and easy to obtain; and the antibacterial cleaning solution can effectively clean sweat stains and oil stains on the surface of skin, can effectively sterilize and inhibit bacteria on the surface of the skin to prevent bedsores, can be prepared into various forms including an aqueous solution, a spray, a liniment, a wet tissue and the like, and is convenient for patients prone to suffer from the bedsores to use in daily life.

The invention belongs to the technical field of software development and network access, and more particularly relates to a method for a mobile terminal to access to a private network. The method for the mobile terminal to access to the private network comprises the steps that: (1) a mobile terminal user makes a login application to the private network, and the private network checks the login application information manually; (2) the private network encrypts the application information to generate a two-dimensional code after the checking is passed; (3) the mobile terminal scans the two-dimensional code, analyzes the two-dimensional code into plaintext information and saves the information; (4) and the mobile terminal establishes a private network access point according to the saved information. The method establishes network access through combining the manual checking with the two-dimensional code interactively, has good security and is simple in operation.

The invention discloses a computer backup data monitoring method and system, and the method comprises the steps: setting a mode of combining k-fold backup and segmented backup, achieving the multi-segment backup on the premise that the integrity and effectiveness of backup data are guaranteed, reducing the backup and reading pressure of a single backup machine, and balancing the performance of the backup machine. By setting a reasonable configuration rule in k backups, on one hand, the storage security of backup data is ensured, random combination and reading cannot be realized, and on the other hand, the fixity and traceability of data backup are ensured.