44results about How to "Achieve data security" patented technology

The embodiment of the invention provides a protection method for a database system, comprising the steps that A, login information inputted by a user is obtained; B, whether an operational instruction is allowed for the database or not is judged according to the login information; C, if the judgment that the operational instruction is allowed for the database is made, a database protection system configures a database port for the operational instruction; D, the database protection system executes the operation to the database system through the database port. The embodiment of the invention also provides a protection system for the database system. With the database protection system, the database server and applications are isolated. All accesses to the database have to access the database protection system, so that a data transmission channel is shielded and cannot be directly utilized by an attacker.

The invention discloses a protection method for confidential files and uses the sandbox principle for reference. When downloading files through a client program of a file management software, a user redirects the downloaded files into a virtual disk of a client computer and conducts all operations of scanning and editing files in the virtual disk; the modified and newly-created files during the file operation process are controlled to be redirected into the virtual disk and the courses not performed the redirected control are forbidden to access to the virtual disk; and finally, the edited files are uploaded to a server from the virtual disk to complete a process of file modification. The user can normally use the files in the virtual disk, but cannot copy or dump the files out, and the virtual disk is like a sandbox only importing but not exporting. The security software developed by using the method can be integrated with the file management software of a third party, so as to realize secure use and anti-disclosure of the confidential files on the client computer and improve the level of data security management of the user.

The invention discloses an RFID (Radio Frequency Identification Device) data transmission and authentication system and method. The RFID data transmission and authentication system comprises a checking reader-writer system at a user terminal and a background checking server system, wherein the checking reader-writer system at the user terminal comprises a checking reader-writer and an electronic tag; and the background checking server system comprises a checking server and a data center. Based on the data transmission and authentication system, the RFID data safe transmission and authentication method comprises the steps of a preparation stage of the electronic tag and a radio frequency identification field stage of the electronic tag. According to the RFID data transmission and authentication system and method, by using an electronic tag sleeping technology and combining with a private key encrypted EPC (Electronic Product Code), checking reader-writer identification and background server authentication as well as matching with a passive ultra-high frequency electronic tag, practicability for various kinds of special application occasions is enhanced, the security of target information is effectively protected, application cost is lowered, and RFID data security and a function of anti-counterfeiting identification are realized.

The invention provides a method for realizing the secure transmission of data in a cloud storage system. According to the method, when in the actual data transmission, the data are subjected to encryption through a symmetric algorithm or an asymmetric algorithm according to the size of the transmitted data volume; when mass data are transmitted, the data are subjected to encryption and decryption through the symmetric algorithm in order to ensure the throughput; and when a small amount of data are transmitted, the data are subjected to encryption and decryption through the asymmetric algorithm. The method is applied in the cloud storage system, so as to ensure the security of the data when the data are transmitted between a user and a cloud storage service system, thereby ensuring the privacy of the data of the user and realizing the real data security.

The invention provides a data safe transmission system and method based on an electronic tag. The method comprises the steps of electronic tag generation and electronic tag identification. The generation step of the electronic tag is used for generating the electronic tag. Under the sleep condition of the electronic tag, requirements of any readers can not be responded, information of the electronic tag is prevented from being pried upon by illegal readers, a legal reader sends a sleep release code to a radio frequency electronic tag to attempt to activate the sleep tag to read tag data, after the tag data are successfully read, and the tag data and an identify identification code are together uploaded to a verification server. The identification step of the electronic tag is mainly used for reading encryption information of the electronic tag, and identifying the electronic tag through the encryption information. Through identification and verification of the electronic tag, safety of data transmission is effectively protected.

The invention relates to the field of blockchain technology applications, and discloses a blockchain-based data traceability and strong encryption method and device, a medium and a system. The methodincludes the following steps: acquiring user registration information, generating a user authorization code and a query key according to the registration information, and returning the data back to users; receiving data upload requests of the users, and then receiving encrypted data I uploaded by the users who pass the verification; performing data sharing on the encrypted data I, recording and encrypting operation information and attribute information of all users on the encrypted data I to form encrypted data II, adding the encrypted data II to a block, calculating the encrypted data II by using different consensus algorithms according to application scenario requirements, and then writing the calculated encrypted data II to a blockchain; and receiving a user query request, performing identity authentication according to the query key, and providing blockchain query and download permissions for the users who pass the authentication to achieve data traceability. According to the scheme of the invention, the users can benefit from added values brought by shared data, and can also enjoy complete data privacy and data security.

The invention relates to a method and a processing machine for tensioned processing of complex contours of asymmetric work pieces, specially relates to a method and a processing machine for tensioned processing complex contours of asymmetric work pieces such as pilger rolling on a computer-controlled processing machine. In prior machinery design, complex contour can be obtained by the same cutting speed of cutters and relatively low acceleration force. According to the invention, the method involves machining a work piece by turning and milling with circular plates (11) as a cutting tool on amachine, wherein a tuning is carried out for rotationally symmetrical contour areas of the work piece, and a milling is carried out for asymmetrical contour areas of the work piece.

A virtual machine monitoring method and a system thereof are provided. The virtual machine monitoring method includes: detecting at least one hardware resource of an electronic device and storing corresponding hardware configuration data, detecting display information of the electronic device and storing corresponding display configuration data, connecting a server and receiving image data therefrom, establishing a virtual machine based on the image data, configuring the at least one hardware resource on the virtual machine based on the hardware configuration data, setting a display image on the virtual machine based on the display configuration data, and clearing the image data to end the virtual machine, so as to provide a user-friendly interface and achieve corporate data security.

A data producing method and an electronic device thereof is disclosed. The electronic device comprises a storage module, a display module, and a control module. The storage module is capable of storing first data. The display module forms a first display area and a second display area. The data displayed on the first display area and the second display area have different optical characteristics. The control module is electrically connected to the storage module and the display module. The control module produces second data. The control module drives the first display area to display the first data and drives the second display area to display the second data. The first data and the second data are simultaneously displayed by the display module.

The embodiment of the invention provides a business data processing method based on a block chain, a related system and a node, which can be applied to the technical field of block chains, and the method comprises the following steps: receiving a metadata processing request sent by a target business node in the same block chain with the target business node; and determining whether the identifier of the metadata is valid based on a preset identifier setting rule, if so, triggering a preset smart contract, and sending an execution instruction corresponding to the identifier of the metadata and the operation type to a target service node and other service nodes in the block chain, the target business node and the other business nodes are enabled to execute the uplink operation for the metadata, and the smart contract is generated in advance based on a preset business data standard. According to the application, the security of business data processing, the reliability, the efficiency and the effectiveness of data processing standardization and business metadata management can be effectively improved, so that collaborative governance of the data security, the data standardization and the metadata management can be realized.

The invention discloses a software-defined network type industrial controller, which comprises a system layer, a control layer, a cloud platform with a virtual controller, a hardware layer and a communication module; the virtual controller is in signal connection with the hardware layer and the cloud platform through the communication module. By modularizing the hardware design, it is convenient to use the software method to describe the control functions, interface components, peripheral modules, etc. implemented by the controller, and form the virtual controller. The user uses the developerenvironment provided by the cloud platform to perform function development for a to-be-implemented control system. In the development process, the virtual controller is used as the object to completethe program design, interface configuration, and virtual simulation function. After the function development is completed, the result is pushed to the device end of the physical controller, and the controller receives the result and then submits it to the controller. A program interpreter performs responding and execution. Development and verification are carried out on the cloud platform, and theInternet is implanted at the beginning of equipment design. Obvious advantages are realized in the later use process.

The invention provides a method and system for storing enciphered data. The method for storing the enciphered data comprises the steps that according to a first strategy, a file to be stored is generated to be an encrypted file by a client side, and the encrypted file is sent to a strategy control server. The strategy control server acquires the size of remaining storing space of memorizer and the number of clusters. If the size of the remaining storing space of the memorizer is larger than or equal to the size of the encrypted file, the strategy control server acquires a file distribution table according to a second strategy. The strategy control server stores the encrypted file in clusters of remaining storing space of the memorizer according to the file distribution table and the encrypted file.

The present invention provides a technical scheme of a carrier pigeon competition management and competition analysis system based on a mobile terminal. The scheme is that the carrier pigeon competition management and competition analysis system based on the mobile terminal comprises a mobile application client, a cloud server and a web server; the mobile application client is interacted with the cloud server and the web server via a wireless network, the web server real-timely obtains the information in the network and stores the information in the cloud server, and the mobile application client can obtain the information from the cloud server and the web server, display the information, record the carrier pigeon information and upload the recorded information to the cloud sever to store. According to the scheme, the system can manage the carrier pigeon information effectively, promotes to improve the carrier pigeon species, analyzes the competition data, provides forceful foundation for the pigeon friend competition, and enables the carrier pigeon competition level of our country to be improved.

The invention discloses a wearable equipment authentication device and an authentication encryption method. The authentication encryption method comprises a security support platform. The security support platform comprises wearable equipment, a cryptographic chip, a security agent module, a security agent server, a security management console and a server. The method comprises the steps that wearable equipment sends a network request to a cryptographic chip through an application program; the cryptographic chip receives the network request, encrypts the received network request and sends theencrypted network request to the security agent module; the security agent module transmits the received encrypted network request to a security agent server through an encryption channel; and the security proxy server decrypts the received network request and transmits the decrypted network request to a background server to complete security channel establishment, communication data encryption and credible authentication operation of the equipment. Security support and password service are provided for the wearable device, and communication security, data security and device trusted authentication of the wearable device are realized.

The invention provides a method and a system of data hidden storage. The method comprises the following steps: a client end enables a file to be stored to generate an encryption file and sends the encryption file to a controller according to a first strategy; the controller acquires the size of the remaining memory space of a memorizer and the number of clusters; if the size of the remaining memory space of the memorizer is larger than or equal to the size of the encryption file, the controller obtains a file allocation table and sends the encryption file and the file allocation table to a file allocator according to a second strategy; and the file allocator stores the encode file to the clusters in the remaining memory space of the memorizer according to the received file allocation table and the encryption file.

The invention discloses a peer-to-peer security satellite high-precision enhanced network method constructed based on a P2P technology. The method comprises the following schemes of (1) a single-difference scheme in an NRTK service mode, (2) a non-difference scheme in an NRTK service mode, and (3) a technical scheme in a PPP-RTK service mode. The bottleneck problem that data of each unit reference station cannot be shared is solved, the'edge matching problem 'of location services of different units is solved, and high-precision location services with unified reference and consistent precision of a nationwide'network' are realized; high-precision positioning integrated service of the whole society is realized, data security of grid-connected service is realized, data benchmark unification of various families is realized, the problem of base station construction redundancy is solved, and great economic and social significance is achieved.

The invention provides an intelligent customer service method and system based on power grid business. The method comprises the following steps: after user identity authentication, starting question answering and question answering process monitoring; obtaining a question plain text according to the input type of the financial question information; extracting keywords from the question plain text to obtain structured question key fields; in combination with the identity information of the user and the background corpus of the financial question information, screening a recommendation intention analysis model and carrying out user intention analysis to obtain a user financial question; after the user confirms the financial questions of the user, obtaining financial answers of the user according to the financial questions of the user through a question answering model; after the user confirms the financial answer of the user, question answering and question answering process monitoring are ended. According to the intelligent customer service method and system based on the power grid business provided by the embodiment of the invention, the efficiency of financial centralized processing and the data security through a power grid financial sharing center can be improved.

The invention provides a method and a system for invisibly storing a file in an encrypted manner. The method includes the steps: receiving the file transmitted by a client by a file processor, generating an encrypted file according to a first strategy and transmitting the encrypted file to a controller; acquiring the size of residual storage space and the number of clusters of a memory by the controller; acquiring a file assignment table according to a second strategy and transmitting the encrypted file and the file assignment table to a file distributor by the controller if the residual storage space of the memory is larger than or equal to the size of the encrypted file; and storing the encrypted file in the clusters in the residual storage space by the file distributor according to the received file assignment table and the received encrypted file.