560results about How to "Avoid insecurity" patented technology

The invention provides a dynamic password card. The dynamic password card comprises a parsing module, a button, an OTP (one time password) generating module and a dispaly screen, wherein the parsing module is used for parsing a received challenge code to obtain recognizable deal information, and outputting the deal information to the display screen; when the deal information displayed by the display screen is correct, the button receives a first confirmation instruction which is then output to the OTP generating module; the OTP generating module generates a dynamic password according to the first confirmation instruction of the button and the challenge code and outputs the dynamic password to the display screen; and the display screen is used for displaying the deal information output from the parsing module and the dynamic password generated by the OTP generating module. The dynamic password card provided by the invention can parse the key deal information (such as an account number and an amount of money) and display the information to users according to the input challenge code when detecting that the challenge code is input, so that the users can master the specific conditions of deal, and the dynamic password is prevented from being misused to cause the insecurity of capital accounts of the users.

Uniform subject and object oriented data structure adopted in computing device to efficiently store, distribute and process data in a variety of applications. Said data structure comprised of multiple complementary subparts that together and independently facilitate communication (of inputs and outputs) through one or more defined interfaces to facilitate secure access and coordination between given individual subject(s) and other real (physical or metaphysical) entities. Methods are also disclosed that work in tandem with the data structure and interface components to enable and require a single or given human user or other individual personal subject (belonging to a secure AFFIRM network) to maintain exclusive (private) self-control over at least one virtual domain that represents themselves (their actions and their relationships).

A credible U disc is featured as properly solving safety problem of credible U Disc and data communication problem between computer and U disc by utilizing self-destroyed program, certificate certifying program, Applet certification program and SCSI command operated on operation system of intelligent card to carry command of intelligent card.

The invention discloses an encryption system for a local area network shared file. The system comprises a secret key management module of a secret key to be used by reading, generating and managing an encryption file, and an encryption and decryption module for performing encryption and decryption according to a user command. The encryption system is characterized by also comprising an identity authentication module used for verifying the identity of a user and determining the authority of the user; and after the identity authentication module verifies that the identity of the user is legal, the encryption and decryption module performs encryption and decryption, and then the local area network shared file is accessed. The system limits the authority that different specified users read different files in shared resources, so that the information safety of resources in the local area network can be effectively guaranteed.

The present invention discloses a quasi-fully homomorphic ciphertext data operation method and system and belongs to the ciphertext database and network data privacy protection technical field. The fully homomorphic cipher operation-based hybrid cloud platform architecture is provided, existing database configurations are not needed to be drastically modified, and therefore, a construction mode issimple; a ciphertext server is defined to support homomorphic calculation, query interception rewriting, data encryption and decryption, key management and other functions, is deployed at the privatecloud platform of a local data center and can establish a connection between the local data center and a third-party public cloud platform; a classified field extension mode is adopted, field extension is performed on numerical value data and character type data; by means of mode innovation, quasi-fully homomorphic ciphertext conventional arithmetic calculation is performed on the numerical valuedata through a functional demand-based cipher service strategy; query/operation is directly performed on ciphertext data; and therefore, the processing efficiency of the data and the security of thestorage and retrieval of the data can be improved.

A method and device for sending and receiving virtual goods are provided. On detecting an invocation request from a virtual goods package generation interface, a server obtains the virtual goods package generation parameters included in the invocation request. The server transfers the virtual goods corresponding to the total amount of virtual goods in the account corresponding to the invoker client to the account corresponding to the server. Upon success of virtual goods transfer, the server generates a virtual goods package and a link for receiving the virtual goods package based on the virtual goods package generation parameters. The server sends the receiving link to the recipient client so that the recipient client interacts with the server to receive the virtual goods package by using the receiving link.

The invention discloses a cooperative control policy based on secure communication of multiple unmanned aerial vehicles. The cooperative control policy comprises a first step of applying an Olfati-saber flocking control algorithm of a variable speed virtual leader to perform preliminary cooperative control over an unmanned aerial vehicle group; a second step of introducing a virtual communication circle to perform on-line communication power setting on each unmanned aerial vehicle, and calculating an expected position of each unmanned aerial vehicle node meeting the secure communication requirements; and a third step of applying an optimized position movement function to make each unmanned aerial vehicle node move to the expected position obtained in the second step securely without collision. According to the cooperative control policy, how communication affects unmanned aerial vehicle group dynamics and communication topology is studied more; through the newly provided virtual communication circle and by combination of an improved target movement function and an existing classic dynamics flocking algorithm, the problem of insecurity of information leakage possibly occurring to a multi-unmanned aerial vehicle system is effectively solved, and the cooperative control policy is a new idea for describing relations of unmanned aerial vehicle dynamics and wireless ad hoc networks.

The invention discloses an electric vehicle power battery pack temperature control system based on heat pipes. The electric vehicle power battery pack temperature control system is characterized in that a battery pack temperature control box body is a sealed box body, a sealed battery grouping bin is contained in the sealed box body, the length and the height of the battery grouping bin are smaller than those of the battery pack temperature control box body, but the widths of the two components are equal; an annular heat exchange bin is formed between the battery grouping bin and the battery pack temperature control box body; the heat pipes are arranged in the battery grouping bin along the length direction in a penetration manner, the heat pipes penetrate through insulating heat sinks arranged in parallel, and the ends of the heat pipes are located in the annular heat exchange bin; single batteries are arranged between the insulating heat sinks, the radiating surfaces of the single batteries are fitted with the insulating heat sinks; a heater and an evaporator are respectively arranged in the annular heat exchange bin. The electric vehicle power battery pack temperature control system disclosed by the invention can be used for solving the problem that effective heat treatment cannot be performed on each single battery due to overlarge flow resistance and achieving sealed design of the battery box body, the safety is high, the temperature of the power battery is regulated quickly, and the temperature field distribution is uniform.

The invention relates to a mounting device for an overhead line or a cable, in particular to a remote control based network-distribution conduction device for live working. The structural feature of the network-distribution conduction device comprises a pair of clamping devices, a high-voltage insulation connection wire and a remote control unit. The clamping devices in the conduction device is remotely controlled by a remote control unit so as to clamp and loosen, the operation program of an operator is simplified, a series of inconvenient and unsafe problems brought due to the local operation of the operator are avoided, and meanwhile, the operation reliability problem brought by remote distance manual operation is avoided; the work pressure of the operator is reduced, and the safe production is guaranteed; and moreover, as a speed-down motor is adopted, a balanced clamping action force is exerted to a guide line, so that the problems that the guide line is damaged due to the facts that the force exerted by manual work is uneven, and the direction is deviated, are avoided; and the radian symmetry structure of a movable jaw and a bridge-shaped fixed jaw can adapt to the surface radian of the guide line, and a good surface contact is provided, so that a positive pressure is exerted to the guide line, and the damage problem of the guide line is further solved.

The invention belongs to the technical field of glass processing, and particularly discloses a waste glass crushing mechanism. The waste glass crushing mechanism comprises a control mechanism and further comprises a rack, a rotation feeding barrel and a pair of crushing rollers arranged in the rotation feeding barrel. Drive wheels driving the rotation feeding barrel are arranged on the outer wall of the rotation feeding barrel in the circumferential direction. The rotation feeding barrel, the drive wheels and the crushing rollers are all connected to the rack. A spiral groove is formed in the inner wall of the rotation feeding barrel. The crushing rollers are conical rollers. The diameter of the parts, at the feeding end position of the rotation feeding barrel, of the crushing rollers is smaller than the diameter of the parts, at the discharging end position of the rotation feeding barrel, of the crushing rollers. The rotation feeding barrel, the drive wheels and the crushing rollers are all electrically connected with the control mechanism. Through the arrangement of the device, the problem that in the prior art, the glass crushing efficiency is low is solved, and crushing is more thorough; and meanwhile the quality of regenerated glass manufactured through recycled glass fragments is improved.

The invention discloses an entrance door provided with an intelligent IOT (Internet of Things) terminal, wherein a window is formed in the front side of the entrance door, an article taking opening is formed in the back side of the entrance door, door covers are arranged on the window and the article taking opening, a channel is arranged between the window and the article taking opening, and articles can be put into the window and fall into the article taking opening along with the channel. A control device on the entrance door can be networked with a user so as to automatically control the opening or closing of the door covers so as to monitor the condition before the door. Compared with the prior art, according to the entrance door, the purposes of automatically and intelligently receiving and taking and sending articles can be achieved through the acquaintance of things, so that the entrance door is equivalent to an electronic babysitter; the entrance door fully monitors the receiving and sending processes and the conditions before the door, and generates and retains video evidence, thus being equivalent to an electronic security; the user can be networked with the entrance door at any time, so that the usage efficiency of the user on the IOT is improved, the good use experience of the user on the IOT is increased, and the entrance door has the effect of an intelligent robot and is brought to the field of smart home.

This invention relates to a clamping unit of cable through devices, which sets upper and lower block notches on the up and down slants of a left wedged block and sets upper and lower block notches on the slants of a right wedged block, sets right and left block strips on the right and left slants of an upper wedged block and block strips on the lower wedged block, and both the notches and the strips are jointed correspondingly and matched in slide, a long screw rod passes through a through hole of the sleeve of the right wedged block and screw-joints with the long screw hole of the sleeve of the left block.

A system, apparatus, and method for automatically configuring application terminals in a home network are provided. The method includes the following steps: the application terminal obtains address information of the GACS from the home gateway and sends a configuration request message to the GACS, the GACS obtains address information of a terminal automatic configuration server (TACS) through query after receiving the configuration request message and sends the address information of the TACS to the application terminal through a configuration response message, and the application terminal sends the configuration request message to the TACS according to the returned address information of the TACS from the GACS to obtain configuration information from the TACS for automatic configuration. The provided system, apparatus, and method may ensure that the application terminal securely obtains the address information of the TACS and thus obtains the configuration, without increasing the complexity of the application terminal.

The invention provides a verification method and a verification system. The verification method includes following steps: a) receiving a web access request and accessory user information, sent by a user; b) confirming a verification code grade provided for the user according to the received user information, wherein the verification code grade is confirmed according to a user experience degree grade and the fact that whether a machine cracking difficulty grade is added; c) obtaining a verification code corresponding to the verification code grade according to the confirmed verification code grade, and sending the verification code to the user; d) receiving a verification code input by the user according to the verification code corresponding to the verification code grade and performing verification; e) returning a verification result to the user. According to the verification method and the verification system, the verification code grade is confirmed based on friendliness of the user and cracking difficulty of a machine, and therefore not only are network insecurity and inequity behaviors such as malicious password cracking, ticket brushing and forum irrigation, but also the common user can obtain good user experience.

The invention discloses a power tool comprising a casing, a motor and an output shaft, wherein the motor is contained in the casing, and the output shaft is matched and connected with a working head and is provided with a locking device capable of rotating between a locking position prohibiting the rotation of the output shaft and a release position permitting the rotation of the output shaft. When the motor is started, an electromagnet component drives the locking device to move from the locking position to the release position. In the invention, the locking device of the output shaft of the power tool automatically moves from the locking position to the release position when the motor is started, and the power tool is safe and convenient to operate.

The invention relates to a vehicle stability control system based on an active intervention steering system, which is characterized by at least comprising: an electronic assistance steering module used for receiving a torque request instruction from an electronic brake control module and outputting torque for intervening with the positions of a turning wheel and a steering wheel by torque; the electronic brake control module configured to determine the running state of a vehicle according to the hydraulic pressure applied by the driver through the brake pedal, the wheel working state input through wheel speed sensors, and the vehicle actual acceleration and yaw rate signals input by vehicle inertia sensors and calculate the stability deviation of the current vehicle control state from theideal control state and the turning wheel rotating angle required to compensate for the stability deviation according to the brake back pressure applied by the driver, and obtain the assist torque value to be provided for achieving the target turning wheel rotating angle and send the same to the electronic assistance steering module.

The invention relates to an equity network and the node control method that includes the following steps: sets different equity group in network that contains several nodes; selecting the node in the equity network to take intercommunication and take manage whether adding the external nodes or the node in the equity group to ensure the reliability in equity group. Each equity group at least set one manage server to record the belief degree of the node in group. The invention improves the safety of the equity network.

The invention discloses a counterweight method for a hydroelectric generator rotor dynamic balance test, which includes: separately testing the vibration parameters of the hydroelectric generator set under different rotational speeds and different excitation current conditions, analyzing the vibration characteristics, and estimating the initial weight and position of the test weight ;According to the estimated weight and position of the trial weight, a number of magnetic bases are adsorbed to a certain position of the generator rotor; start the machine again for variable speed and variable excitation tests, and analyze whether the trial weight and position are appropriate; process and manufacture according to the calculation results Permanent counterweight, remove the magnetic base, weld and fix the counterweight at the final counterweight position; turn on the machine again to test the vibration data under rated speed and rated voltage, and analyze and evaluate the counterweight effect; the biggest feature of this method is The counterweight of the magnetic base does not need to be welded, and it is convenient to install, move and change the weight, and the magnetic base can be reused, so it has a good application prospect.

The invention provides a distributed vehicle-mounted intrusion detection system based on federated learning and trust evaluation and a method thereof. The method comprises the following steps: designing a distributed intrusion detection system model based on federated learning; building and pre-training of an intrusion detection model are realized based on federated learning, and broadcasting and distributing a global model by a distributed aggregator; performing edge model training based on intrusion detection data of the edge vehicle by the edge vehicle; selecting an edge representative node as a cluster head based on behavior evaluation to complete an aggregation task of an edge model; adding a mask to the model parameters and then uploading the model parameters to the RSU; performing trust evaluation on the RSU through the quality of a model aggregated by the RSU through the RSU aggregates model parameters uploaded by a cluster head, so that distributed aggregation nodes are stimulated to compete and aggregate a model with higher accuracy, and finally, storing the training model based on a block chain principle to complete model sharing. The invention further creates a defense detection system suitable for automatic driving to resist network intrusion by adopting a safety evaluation mode of information safety.

The invention relates to a method for efficiently amplifying natural killer cells from peripheral blood in a high purity manner. The method comprises the following steps: collecting 100ml-200ml of peripheral blood, separating mononuclear cell, putting the mononuclear cell into a culture bottle coated with CD16 monoclonal antibody and CD226 monoclonal antibody for culturing, and activating the cell by virtue of IFN-gamma; after the activation is carried out for 24 hours, adding IL-2, IL-15, IL-21, OK432, CD2 monoclonal antibody and inactivated autoserum into a culture medium; transferring the cell into a culture bottle which is not coated with CD16 monoclonal antibody and CD226 monoclonal antibody for culturing, and supplementing liquid to the cell once in each 2-3 days; and finally transferring the cell into a culture bag for culturing, and collecting NK cell in the 21th day. According to the method, no any heterologous serum component or trophoblast cell is used, so that the safety and reliability of the prepared NK cell are guaranteed; and the method has good clinical application values.

A system and method for an integrated surgical table includes a medical device including an articulated arm having one or more first and second joints and a control unit. The articulated arm has at least a cannula, an endoscope, or an instrument mounted distal to the first and second joints, which is inserted into a patient at a body opening. The control unit unlocks the first joints, receives a surgical table movement request, determines whether the surgical table movement request should be granted, allows the surgical table to perform the requested movement based on the determining, uses the first joints to allow the articulated arm to track movement of the body opening based on forces applied by a body wall at the body opening, and compensates for changes in a pose of the cannula, endoscope, or instrument due to the tracked movement by performing compensating motions in the second joints.

The invention provides an NFC encryption method. The method comprises the following steps that first identifying information of an NFC device of the other party is sent to a server; a secret key returned by the server after the matching relation is determined according to the first identifying information is received; the secret key is decrypted through encrypted codes stored in an NFC device of this party to obtain an initial secret key; the initial secret key is used for decrypting data which are sent by the NFC device of the other party and received by the NFC device of this party, or the initial secret key is used for encrypting data sent by the NFC device of this party. According to the NFC encryption method, the whole NFC process is subjected to two-way encryption through the server in combination with the identifying information of the NFC devices, and therefore the problem of insecurity of NFC is effectively solved; the complexity of encryption is improved in a secondary encryption mode, so that NFC is more reliable.

The invention relates to a mounting device for an overhead line or cable, in particular to a current guiding device for live operation of a distribution network with a long-distance real-time monitor, which is structurally characterized by comprising a pair of clamping devices, a high-voltage insulated connecting wire and a handheld monitor, wherein each clamping device comprises a movable jaw, a fixed jaw, a temperature sensor, a current sensor, a master control board and a current guiding connection device, each current guiding device is provided with the effective and reliable temperature sensor and current sensor for real-time collection of monitoring data, and the data are further wirelessly transmitted to the handheld monitor on the ground in a long-distance and real-time way within a controllable range for check of monitoring personnel, so that the monitoring personnel can promptly know the field construction situation, judgment can be made in a real-time way, correct prompts can be uttered in advance, the personal safety of operators can be guaranteed, the labor intensity can be lowered, the working pressure can be reduced, and the field construction safety of the live operation can be facilitated.