41results about How to "Disassociation" patented technology

The invention provides a method and a system for an electronic signature token to respond to an operation request, and the electronic signature token. The method comprises the following steps that the electronic signature token receives an enabling command and executes enabling operation according to the enabling command; the electronic signature token determines an operation type and/or operation level corresponding to the operation request according to the received operation request; and the electronic signature token determines a policy used for responding to the operation request according to the operation type and/or the operation level, and responds to the operation request according to the obtained policy, wherein the step of responding to the operation request according to the obtained policy comprises the following steps that the electronic signature token determines a key seed matched with the operation type according to the operation type, and at least generates a dynamic password value according to the key seed and a preset event factor; or the electronic signature token determines an event factor matched with the operation level according to the operation level, and at least generates a dynamic password value according to a preset key seed and the event factor.

The invention discloses a quick parallel generating method for a multidimensional pseudo-random sequence with uniform distribution characteristics, wherein the quick parallel generating method improves a classic coupled map lattice (CML) model according to the security requirement of the cryptography, cancels diffusion coefficients thereof, increases constant terms, limits the grid value to be within [0, 1] through modular operation, and achieves a novel coupled tent map lattice system with the uniform distribution characteristics; and in addition, the pseudo-random sequence is generated through user key conversion and initial vector conversion by utilizing a coupled tent map lattice system model with the uniform distribution characteristics. The quick parallel generating method inherits the coupling diffusion mechanism and the parallel iteration characteristics of the CML model, leads system state tendency to achieve ergodicity through the stretching and folding of the local grid tent map as well as the double nonlinear action of the modular operation, overcomes the defect of the CML model on security, and can generate the multidimensional pseudo-random sequence with the uniform distribution characteristics in a parallel and quick manner.

The invention relates to a physical layer encryption method introducing a Latin array, comprising steps of using a chaotic system and a Latin array to generate a key which is good in performance, using the key to scramble a constellation graph, making distribution of constellation points of various modulation modes on a complex plane toward uniformity, making individual characteristic parameters of various modulation modes toward consistency, achieving a goal of protecting the modulation mode and the modulation information from the physical layer, and fully utilizing the mapped complex plane information to achieve a goal of maximally expanding the key space. The physical layer encryption method introduces an Extract function, fully eliminates the relevance between the chaotic sequences, does not need to generate massive keys on the premise that the key space is guaranteed, greatly reduces the complexity of realizing hardware, performs an NIST random test on a generated key and verifies the unpredictability.

The invention relates to the field of an electric connector, in particular to a contact element component and a hermetic seal connector using the component. The electric connector comprises a housing and the contact element component assembled in the housing; the contact element component comprises a glass insulator, at least one contact element assembled in the glass insulator and a metallic sheath arranged outside the glass insulator; the contact element and the metallic sheath are sintered together through the glass insulator; the contact element component is fixedly assembled in the housing through the metallic sheath; and the metallic sheath is matched with the housing in a sealing manner. The electric connector is capable of preventing the housing from withstanding high temperature when the contact element is assembled, and simultaneously the glass insulator and the housing are not required to be sintered and the requirement of binding ability of housing material and glass is also reduced, so that the limitation to the heat resistance of the housing material of the electric connector and the binding property of glass is solved, a user can select a lighter material as the housing material according to requirements, and the problem that the existing electric connector is heavy in weight is solved.

The invention discloses a verifiable ciphertext data range query method. The method comprises the steps that sorting is conducted aiming at each local data to obtain triple data and prefix sets of each local data, and the prefix sets of each local data are stored in a PBtree; encryption is conducted aiming at each triple data and each prefix set, and each encrypted local data is stored in leaf nodes in the PBtree; the above processed data is transmitted to a cloud server; a trap door is generated through the query range, searching is conducted by the cloud server in the PBtree by using the trap door, finally the ciphertext data in the corresponding searched leaf nodes is returned, decryption is conducted on the ciphertext data by a data user, and whether or not the size of the obtained data is constant is determined according to the decrypted data to determine whether or not the results returned by the cloud server are complete. According to the method, by storing additional information in the PBtree leaf nodes, user queries are verifiable to prevent incompleteness of the queried results of the cloud server.

The embodiment of the invention discloses a parameter compiling method and device and a medium. The method comprises the following steps: extracting network parameters contained in each model file; converting each network parameter into a corresponding intermediate parameter according to a preset parameter specification; allocating a corresponding memory address to each intermediate parameter according to the size information, the weight information and the context operation sequence number corresponding to each intermediate parameter; and storing the intermediate parameters and the memory addresses corresponding to the intermediate parameters into a preset storage space according to a set mode. By converting the network parameters of the model files, the model files of different frameworks can be converted into unified and hardware-friendly intermediate parameters, the correlation between various operation operations of the network parameters and hardware is relieved, and the problemsof software code redundancy, dependency library conflicts and the like caused by supporting various frameworks are well solved. The data is written into hardware in the FPGA preprocessing stage, so that communication between the host and the FPGA is not needed any more, and the communication pressure between the host and the FPGA does not exist.

The invention relates to a dynamic data processing method applied to an Oracle database, which comprises the following steps of: creating data access objects, i.e. DAO (Data Access Object) objects, which comprise data insertion, updating and deletion; setting the connected database Oracle; setting structured query languages, i.e. SQL languages, corresponding to the DAO objects; setting corresponding bound parameters corresponding to each SQL languages; executing the dynamic data processing, receiving data operation commands and storing the data operation commands into caches of the corresponding DAO objects; judging whether the DAO objects to be processed need to be subjected to data insertion and if yes, continuously inserting data into the caches distributed for the data by the DAO objects; or, executing the data processing and finishing. According to the invention, by a dynamic DAO technology, the reconstruction upgrading cost is greatly reduced, the investment of manpower resources is reduced and the stability of a system is improved.

The present invention provides a terminal roaming switching method and device. The terminal roaming switching method is applied to an AP. The terminal roaming switching method is characterized in that the method comprises the following steps that: a request frame sent by a terminal is received; whether the terminal is a roaming terminal is judged according to the type of the request frame; and if the terminal is a roaming terminal, a disassembly frame is sent so as to disassemble an association with the roaming terminal, so that the roaming terminal re-accesses a network. With the terminal roaming switching method and device of the invention adopted, roaming switching unsensible to the terminal can be realized, and the services of the terminal are not interrupted in a roaming process.

The invention relates to the field of charging stations, and aims to provide a large-scale charging station electric energy quality comprehensive evaluation method which evaluates the electric energyquality of a distribution network by connecting large-scale charging piles in a charging station through a method of combining example analysis and actual data, and specifically comprises the following steps: step 1, constructing a power distribution network electric energy quality index system of the charging station, wherein the electric energy quality indexes comprise a voltage deviation value,a frequency deviation value and a three-phase voltage unbalance degree; executing the step 2; step 2, taking the power quality indexes as input, inputting the power quality indexes into a trained power quality comprehensive evaluation model, outputting evaluation levels of the power quality indexes, and executing the step 3; and step 3, determining the distribution of the charging piles in the charging station according to the evaluation level of the power quality indexes.

The invention relates to a bearing-only-tracking pseudo-linear filtering method. The method is performed as follows in each tracking period: acquiring measurement information from an observation radar, forming Gaussian distribution around a real target state and generating target state estimation under the condition of determining the current period to be an initial period; on the basis of the obtained measurement information, calculating state one-step prediction and a state prediction covariance by using a state equation; on the basis a quasi-linear measurement equation, calculating measurement one-step prediction and a measurement prediction covariance; acquiring an azimuth prediction value and a prediction measurement matrix based on the one-step prediction of the state and thus calculating a cross-covariance between the estimated state and the measurement; and calculating an updated state estimation and state estimation covariance to complete the target tracking of the current period. Therefore, the target tracking performance is improved effectively.

The invention provides an information sharing and information pushing method and device. The information sharing method comprises the steps that the interface information of a first server is acquired from a first terminal, wherein the interface information comprises the mark of the first terminal; and according to the interface information, an information request message is generated and sent to the first server, wherein the information request message comprises the mark of the first terminal and the mark of a second terminal. According to the information sharing and information pushing method and device, across device information sharing is realized; a user can be tracked; the effectiveness of information pushing is improved; and the method and the device are conducive to information expansion and effective information dissemination.