4904results about How to "improve security" patented technology

The invention discloses a method, device and system used for digesting security policy conflicts. When a flow rule control device receives a flow rule policy issued by an application proxy device, semantic analysis is performed on the flow rule policy based on aliases so that an alias rule set of the flow rule policy is formed; the alias rule set of the flow rule policy is compared with the alias rule set of the current rules so as to judge existence of the policy conflicts; and if the policy conflicts do not exist, the flow rule policy is transmitted to corresponding switches so that the corresponding switches perform corresponding routing forwarding according to the flow rule policy. Therefore, a situation of bypassing security rules through other flow rule policies or policy combinations can be effectively prevented, and security of an SDN framework based on OpenFlow can be enhanced.

The invention discloses an automatic charging system for an electric automobile. The automatic charging system comprises a charging controller, a charging pole, an automobile charging socket identification positioning device and a charging plug automatic plug-pull device, wherein the charging controller is connected with the charging pole, the automobile charging socket identification positioning device and the charging plug automatic plug-pull device; the charging pole comprises a pole body, an electric module and a metering module, and the electric module and the metering module are arranged in the pole body; the automobile charging socket identification positioning device comprises an ultrasonic sensor, a laser distance measurement sensor group, a CCD image sensor and an image alignment processer; the ultrasonic sensor and the laser distance measurement sensor group are connected with the charging controller; and the CCD image sensor is connected with the charging controller by virtue of the image alignment processor, the charging controller controls the charging plug automatic plug-pull device so that a charging plug on the charging plug automatic plug-pull device and a charging socket on the electric automobile achieve automatic plug and pull. The automatic charging system for the electric automobile disclosed by the invention can automatically plug the charging plug in or pull the charging plug out from the charging socket of the electric automobile.

The invention discloses a low-temperature charge and heating system and method for a power battery for all-electric vehicles. The system comprises a vehicle control unit, a vehicular charger, a battery management system, the power battery, a DC/DC converter, a heat management system, a PTC heater and a fan module. The method includes: during charging, heating is allowed only when the temperature is very low and the temperature T of the power battery is smaller than or equal to 5 DEG C; when the temperature is very low, heating and charging with low current are performed simultaneously; if the temperature T of the power battery is larger than 5 DEG C, low-temperature heating is aborted and a normal charge mode is allowed. The system and the method have the advantages that low-temperature charge and heating time can be shortened, normal charge of the power battery is guaranteed and the service life of the power battery is unaffected.

The embodiment of the invention discloses a block chain system, and a data storage method and apparatus. The block chain system comprising a configuration center, a non-consensus subsystem and a plurality of consensus subsystems is established, wherein the non-consensus subsystem comprises a plurality of non-consensus nodes, each consensus subsystem comprises a plurality of consensus nodes, moreover, each consensus subsystem is equivalent to an alliance block chain containing the plurality of consensus nodes, and this means that the consensus subsystems can be separately applied to consensus verification of different service fields. On one hand, only the consensus nodes are responsible for the consensus verification, and the non-consensus nodes beyond the consensus subsystems cannot participate in the consensus verification of the alliance block chain network, thereby improving the security of the block chain network; and on the other hand, the configuration center can dock the alliance block chains, non-consensus bodies (the non-consensus nodes) beyond the alliance block chain network only need to dock with the configuration center instead of separately docking a plurality of alliance block chains according to different docking protocols, thereby improving the convenience of the block chain network.

The invention discloses micro-capsule granules and a preparation method thereof. The pesticide micro-capsule granules mainly comprise the following ingredients in percentage by weight: 5 to 75 percent of pesticide active ingredient, 1 to 10 percent of capsule wall material, 1 to 3 percent of wetting agent, 3 to 8 percent of dispersing agent, 0 to 10 percent of adjuvant and 10 percent of carrier filler. The preparation method comprises the following steps of: wrapping a micro-capsule by using active pesticide as a capsule core and using a high molecular material as a capsule shell material; preparing a micro-capsule suspending agent CS from water serving as a basic dispersant medium; and drying the micro-capsule suspending agent CS to prepare granules by using drying equipment to form a pesticide new formulation of the micro-capsule granules with control release effect. The invention has the advantages that: the pesticide micro-capsules are more environmentally-friendly and safer for a human body, have good control and prevention effects on targeted pests and are convenient to use.

The invention discloses a method for achieving user authentication by utilizing a camera. The method comprises the following steps: (1) pre-collecting and storing a facial image of a user, (2) performing vivo detection on a facial image of a current user through the camera in the field use process, executing the step (3) if the detection succeeds, and prompting that the detection fails if not, (3) performing field photographing on the current user through the camera and performing storing, (4) comparing the stored facial image of the user with the pre-collected facial image of the user to obtain the degree of similarity, and (5) comparing the degree of similarity and a preset threshold value and determining whether the two compared facial images belong to the same person, wherein it is determined that the two compared facial images belong to the same person if the degree of similarity is greater than or equal to the preset threshold value, and the authentication cannot be passed if the degree of similarity is smaller than the preset threshold value. According to the method for achieving the user authentication by utilizing the camera, because dual detection is performed through a facial recognition system and the vivo detection, the situation of easily invading the system can be effectively controlled, and the security of user data is promoted.

The invention discloses a signing and decrypting method and system applied to cloud computing and based on an SM2 algorithm. Specifically, two communicating parties store some private keys respectively, operation of signing, decrypting and the like can be carried out on information only when the two parties unite, the two communicating parties can not obtain any information about the private key of the opposite side, and therefore under the circumstance that an attacker invades any party, signatures can not be forged, or ciphertexts can not be decrypted, so that the safety of the private keys in the cloud computing environment is improved; moreover, in the signing and decrypting processes, the application requirements for low delay and less interaction in the cloud computing environment can be met with less interaction needing to be carried out between the two communicating parties.

The invention relates to the technical field of sensors, in particular to a novel electric pressure cooker pressure sensor and an electric pressure cooker thereof, comprising: a body seat, the body seat is mounted on a fixing frame, and an inner cavity is arranged in the body seat, and the inner cavity is An elastic piece is provided, the bottom end of the elastic piece is in contact with the bottom of the inner cavity, and the top end of the elastic piece is in contact with the bottom of the detection head; the outer ring of the detection head is provided with a magnetic ring; the top opening of the inner cavity An upper cover is provided, and a through hole is arranged in the upper cover, and the top of the detection head passes through the through hole of the upper cover; the outer ring of the inner cavity is provided with an annular outer cavity, and the outer cavity is provided with a coil , the coil is connected with the external measuring circuit; the present invention can accurately obtain the real-time pressure value of the pressure cooker according to the pressure value of the electric pressure cooker and the displacement relationship of the heating plate, which can not only improve the safety of the electric pressure cooker, but also can cook according to the needs of different foods. The pressure value can be adjusted automatically, and the more delicious and delicious food can be cooked.

The invention discloses an NFC (near field communication) mobile terminal and a payment method. The mobile terminal comprises a collection account information receiving module, payment information submitting module, a payment result receiving module and an electronic check payment module. A payment side performs operation of online bank payment such as sending passwords on his own NFC mobile terminal by the aid of an NFC transmission collection account and payable amount, so that card swiping on a terminal of a POS (point of sale) machine with a bank card and manual input of a password corresponding to the bank card on the terminal of the POS machine are avoided, and safety of the password and an account of a user is increased. When the mobile terminal of the payment side cannot pay online in real time since the mobile terminal is offline with a trading system and the like, payment flexibility is increased by providing electronic check payment, and accordingly satisfaction of the payment side and a paid side is increased.

The invention relates to the field of information security and provides a method, system and device for data encryption and decryption. The data encryption method includes the following steps: A. obtaining an original text to be encrypted and receiving passwords input by users; B. generating random numbers according to the original text, and generating primary keys on the basis of the passwords and random numbers and extracting encrypted keys from the primary keys; C. encrypting the original text with the encrypted keys to obtain a primary cipher-text; D. making data integration of the primary cipher-text and random numbers to obtain a final cipher-text. In addition, a data encryption and decryption system, a data encryption and decryption device and a data decryption method are also provided, which then improves the security of data storage.

The invention relates to an application program installation package processing method and device, and a mobile apparatus. The method comprises the steps that an executable file in an application program installation package is obtained; the executable file is decompiled, and an intermediate file is obtained; function codes are implanted into the intermediate file; the intermediate file with the implanted function codes is recompiled and repackaged into a new executable file; the executable file in the application program installation package is replaced with the new executable file. According to the application program installation package processing method and device, and the mobile apparatus, the flexibility of the protection of the executable file is improved, and the safety of the software installation package is improved.

The present invention discloses a method for encrypting the file in the digital medium playing system and the encrypted file structure thereof, wherein, the method comprises the following procedures: (1) dividing the file to a plurality of segments according to the format character of the file; (2) encrypting the segment content which needs to be encrypted; (3) including paragraph identifier in each segment; and (4) forming all the key values correlative to the file to a key list which is used for transmitting to the subscriber. The encrypted file structure comprises a medium file which is composed of a plurality of segments and a key list that is composed of a plurality of key index values and the corresponding keys. Each segment comprises medium content and the segment length field which is used for indicating the total length of this segment of data. The invention possesses the advantage that the functions of speeding, quickly returning, jumping broadcasting and the like are realized and the security of the encrypted file is increased.

The invention relates to a payment method and payment system based on a dynamic two-dimensional code. The payment method based on the dynamic two-dimensional code comprises the following steps: a trade information generation step, i.e., a merchant client generating a static two-dimensional code including trade information; a trade information obtaining step, i.e., a cardholder selecting a payment card for payment from an application of a mobile terminal and scanning the static two-dimensional code so as to obtain the trade information; a dynamic two-dimensional code generation step, i.e., the application of the mobile terminal identifying the static two-dimensional code and generating the dynamic two-dimensional code based on the static two-dimensional code and card information of the payment card; and a dynamic two-dimensional code obtaining step, i.e., the merchant terminal scanning the dynamic two-dimensional code and uploading the dynamic two-dimensional code to a background system so as to request for payment authorization from a payment mechanism. The payment method and payment system based on the dynamic two-dimensional code, provided by the invention, can further ensure the payment security.

Disclosed are a vehicle transportation system and the operating method thereof based on the GPS and GIS. The vehicle transportation system and the operating method are characterized in that the vehicle transportation system comprises a vehicular GPS receiver, a communication telephone handle, a display, a communication controller, a communication antenna, a data service center, a client monitoring center, an Internet server, an electronic map and a large LCD screen; the operating method includes that: (1) the GPS positioning information is acquired; (2) the positioning information is sent to the command center; (3) the command center sends the scheduling command and information; (4) the vehicle transportation is navigated; (5) the driver communicates with the client monitoring center; (6) the command center displays the electronic map; (7) the client queries through the Internet. The vehicle transportation system and the operating method thereof have the advantages that various current information of the monitored vehicles and the freights are acquired in real-time; the 24 hours continuous monitoring and positioning tracing are realized; the system can provide the alarm information to improve the safety of the vehicle operation management; the vehicle terminal communicates and interacts with the command center real-timely to have sufficient information content and improve the work efficiency of the logistics distribution.

The invention discloses a workpiece stamping intelligent control process. The workpiece stamping intelligent control process controls automatically and satisfies all actions to be operated coherently to effectively improve working efficiency, no manual work is needed, safety is improved and cost is effectively saved. Product quality is guaranteed to enable products to meet market demands. The invention further provides an intelligent control manipulator implementing the process. Through an efficient, accurate, flexible, safe operation mode flexible in design, the intelligent control manipulator is convenient to operate, production efficiency is greatly improved, structural design is reasonable, design mode is flexible, effects are obvious, process persistence is high, raw materials are saved and energy consumption is quite low; a regulation and control type industrial control process satisfies different demands, the structural design enhances smoothness, swing precision is guaranteed, and machining process is guaranteed to be completed automatically, continuously and effectively; and conventional manual or semi-automatic machining modes are replaced, and resources are saved.

The invention is applied to the technical field of unmanned aerial vehicles, and provides an unmanned aerial vehicle commissioning method, a system and a device. The method comprises steps: when the unmanned aerial vehicle receives a commissioning instruction, an authentication request message is sent to a preset management platform, and the authentication request message carries a unique identification code of the unmanned aerial vehicle and/or identification information of an unmanned aerial vehicle commissioner; according to the authentication request message, the management platform carries out authentication on commissioning of the unmanned aerial vehicle so as to determine whether commissioning of the unmanned aerial vehicle is legal and send an authentication result to the unmanned aerial vehicle; and the unmanned aerial vehicle receives the authentication result and when the authentication result is that commissioning of the unmanned aerial vehicle is legal, a preset application is executed. Unified management on commissioning of the unmanned aerial vehicle is realized via the management platform, the commissioned unmanned aerial vehicle is the legal unmanned aerial vehicle, and use safety of the unmanned aerial vehicle is improved.

The invention discloses a method and a device for presenting safety detection results of a microblog page. The method comprises the steps of judging that a user accesses a microblog webpage by a client, and carrying out crawling on the microblog webpage to acquire the microblog page; identifying a microblog link having an advertisement cheating problem from the microblog page; adding a mark to the identified microblog link having the advertisement cheating problem when the microblog page is presented, and presenting the marked microblog link to the user. The safety in accessing microblog is improved through the method and the device disclosed by the invention when the user accesses the microblog page, and the user is prevented from accessing advertisement cheating websites.

The invention provides a lithium battery. The lithium battery comprises a positive electrode plate, a negative electrode plate, a separator and electrolyte solution, wherein the separator is positioned between the positive electrode plate and the negative electrode plate for defining an accommodating area in which the electrolyte solution is positioned; a thermal actuation protection film is arranged on a material surface of the positive electrode plate or the negative electrode plate; and when the temperature of the lithium battery rises to the temperature for the thermal actuation, which isabout 80 to 280 DEG C, the thermal actuation protection film undergoes cross linking reaction to prevent thermal runaway so as to further prevent the battery from exploding. The invention also provides a manufacturing method for the lithium battery.

The invention relates to the technical field of network security, and provides a method for establishing a TLS (Transport Layer Security) channel based on a state secret algorithm. The method comprises the following stages: a handshake request stage, a server side authentication stage, a client side authentication stage and a handshake completion stage. According to the method, the state secret algorithm is integrated in a TLS protocol to perform security communication, and a data security method of which the signature speed is obviously superior to that of an RSA (Rivest, Shamir and Adleman) algorithm and is equivalent to 2048 bit security level of the RSA algorithm is realized at a shorter key length; in addition, a preliminary master key can be calculated by using an SM2KEPE key exchange algorithm under the condition that temporary key pairs are generated by both the client side and the server side, so that the situation that the content which is transmitted in an encryption manner is decrypted through the private key by an attacker when the server side private key is stolen or revealed is avoided, and the security of TLS channel is greatly improved.

Belonging to the technical field of biometric identification, the invention discloses a biometric identification attendance checking method, device and system. The method includes: acquiring the identification information and biological characteristic information of attendance staff; transmitting the acquired information to a biometric identification cloud server to conduct biometric identification comparison; receiving a verification dynamic code returned after successful identification and comparison by the biometric identification cloud server; acquiring the geographical position information of the attendance staff; and transmitting the verification dynamic code, the identification information and geographical position information of the attendance staff to an attendance application server; and receiving the attendance checking accomplishment information returned by the attendance application server. The method, device and system provided by the invention focus on security identity authentication through the biometric identification cloud server, and utilize a mobile terminal, the attendance application server and the biometric identification cloud server three parties to guarantee a closed authentication process, not only have high safety, but also can ease the pressure caused by concentrated punch in-out of employees during rush hours, avoid companies' repeated investment and construction of attendance checking equipment of their own, and save cost for enterprises.

The invention belongs to the field of information security techniques and provides a printing security monitoring and auditing system based on a virtual printing technique aiming at solving the problems that the printing behavior and the printing content are hard to monitor, unauthorized printing and skip-level printing cannot be prevented and the like in the existing printing management method. The printing security monitoring and auditing system comprises a server, at least one ordinary client, at least one approval client, a printing controller and a printing machine, wherein the clients are divided into the ordinary clients and the approval clients; and all ordinary clients and all approval clients are connected with the server, the printing controller is connected with the server and the printing machine is connected with the printing controller. By adopting the windows virtual printing technique, the optical character recognition (OCR) technique, the equipment intelligent control technique and the like, the printing security monitoring and auditing system realizes the monitoring and management of documents at a full life cycle which comprises printing application, approval, output, recovery, destruction and the like, and can form complete printing logs for review.

The invention belongs to the technical field of lithium ion batteries, and especially relates to a lithium ion battery composite membrane and a preparation method thereof. The composite membrane comprises a membrane substrate and a composite coating which is coated on at least one surface of the membrane substrate; the composite coating comprises an inorganic particle, a polymer and a binder; the polymer forms adhesive polymers through the binder; and the adhesive polymers are distributed in the inorganic particle and protrude out of the surface of the inorganic particle. Compared with the prior art, the inorganic particle in the composite coating has excellent heat stability, and suppresses heat shrinkage of a traditional membrane substrate under high temperature conditions, so that the heat stability of the membrane substrate can be greatly improved; and meanwhile, the protruded adhesive polymers in the composite coating can be bonded together with a pole piece in a lithium ion battery to suppress deformation of the battery, so as to guarantee the safety and smoothness of the battery. Furthermore, the preparation method of the lithium ion battery composite membrane provided by the invention is simple in process, easy in operation and the obtained membrane is high in consistency.

The invention discloses a method for updating seeds of a dynamic password token. The method comprises the following steps: firstly, a user performs mutual authentication by using a dynamic password token and a server, and seeds in the dynamic password token are updated if legal; the server generates a seed updating identification and transmits the seed updating identification to a client; the dynamic password token uses the seed updating identification to generate a temporary seed and authenticates a dynamic password again by using the temporary seed, and updates the seeds stored inside if the authentication is successful; and the server also updates the seeds to be stored by the dynamic password token. The invention prevents token manufacturers from knowing the condition of seeds in eachtoken by updating seeds in the dynamic password token, therefore the safety is improved.

The invention belongs to the technical field of mobile terminals and provides a login and verification method for an application program. The login and verification method comprises the following steps: login information of the application program and identification of a mobile terminal are obtained, and the login information comprises a login account of the application program; according to the login account of the application program and the identification of the mobile terminal, a preset function is adopted to generate a check code; a login request is sent to an application program server, and the login request comprises the login information and the check code so that the application program server verifies the login information according to the check code and the check code stored in the application program server. In the login and verification method, when the generated check code and the check code stored in the application program server are different, the verification result of the login information proves to be illegal. Even when other people learn about the login account and the password, the people cannot succeed in login operation of the application program. Therefore, illegal login on a random mobile terminal is eliminated, and safety of multiple login accounts and the password is improved.

The invention provides a forest fireproof monitoring and patrolling system which includes a high-definition camera forest fireproof monitoring terminal, an infrared camera forest fireproof monitoring terminal, and a server side, wherein the high-definition camera forest fireproof monitoring terminal is connected with the server side through a wireless network and the infrared camera forest fireproof monitoring terminal is connected with the server side through the wireless network. The server side includes a main-control server, an access server, a navigation server, a log server and an authority management server. The system also includes a remotely controlled unmanned plane. A high-definition camera is arranged on the unmanned plane. The unmanned plane is connected with the server side through a satellite communication module so as to receive the control of the server side and transmit received images to the server side.

The invention discloses an intelligent file cabinet, a file management system and a file positioning method. The intelligent file cabinet comprises a cabinet body, an article storing unit, an RFID read-write module, a position indicating module, electronic tags and a main control system. The main control system is respectively connected with the RFID read-write module and the position indicating module; the article storing unit comprises a tray and at least two partition boards fixed to the tray; the RFID read-write module comprises a reader-writer, a multiplexer, a power divider and at least two antennas, the antennas are fixed to the tray and tightly attached to the partition boards, the reader-writer is connected with the main control system and meanwhile is connected with the multiplexer, the multiplexer is connected with the power divider, and the power divider is connected with the antennas. According to the intelligent file cabinet, the file management system and the file positioning method, files can be guided to be put into the cabinet and to leave the cabinet, file boxes and / or files are accurately positioned, the situation that the file boxes are dislocated can be prompted, the position state is prompted, and the intelligent file cabinet, the file management system and the file positioning method have the advantages of being high in safety, accurate in positioning, capable of achieving quick checking in real time and the like.

The invention relates to a multiple-factor detection system for the aging condition of a fuse. The system comprises an adjustable constant current source, an adjustable thermostat, a temperature acquisition device, a resistance measuring instrument and a PC machine, wherein the adjustable constant current source is connected in series with the fuse to be detected; the adjustable thermostat is used for simulating the on-site operating condition of the fuse to be detected; the resistance measuring instrument is used for measuring the resistance data of the fuse to be detected in the thermostat periodically or in real time; the PC machine is connected with an output end of a multi-channel acquisition card and used for receiving temperature data acquired by the multi-channel acquisition card in real time, analyzing the temperature rise characteristic of the fuse, and judging whether the fuse is aged or not by combining the resistance data transmitted by the resistance measuring instrument. The multiple-factor detection system for the aging condition of the fuse can measure purchasing fuses, stock fuses and fuses in service; and through the system, the use safety of the fuse can be effectively enhanced.

The invention discloses a credible virtual machine platform, which comprises a hard disk (11), a USB Key (10) and a nonprivileged virtual machine (6), and also comprises credible hardware (1), a security enhancement virtual machine monitor (2), a management virtual machine (3), a communication virtual machine (4) and a driving virtual machine (5). The security enhancement virtual machine monitor (2) is bidirectionally connected with the credible hardware (1) and the management virtual machine (3) respectively; the management virtual machine (3), the driving virtual machine (5) and the communication virtual machine (4) are privileged virtual machines; the management virtual machine (3) creates, manages, destroys and transfers other virtual machines; the driving virtual machine (5) provides driving needed by the operation of the virtual machine and management of a virtual credible password module; and the communication virtual machine (4) takes charge of communication between inner virtual machines and a virtual machine platform. The credible virtual machine platform has the advantages of effectively guaranteeing the safety and credibility of an operating environment of the virtual machine platform and realizing effective management and control of communication between virtual domains.

The invention discloses an intelligent door lock identity authentication method and system, a readable storage medium and a mobile terminal. The method comprises steps that the request information about the identity identifier is sent by a mobile terminal to an intelligent door lock, and the identity identifier corresponds to the intelligent door lock; first feedback data sent by the intelligent door lock is received and saved, the first feedback data contains a first random number and the specified first identity encryption information, and the first identity encryption information corresponds to the identity identifier; the first identity encryption information is authenticated, and whether the first identity encryption information is legal is determined; if the first identity encryptioninformation is legal, the specified second identity encryption information is generated according to the first token information and the first random number and sent to the intelligent door lock foridentity authentication, the first token information is pre-stored on the mobile terminal and the intelligent door lock; the identity authentication result sent by the intelligent door lock is received, and feedback operation is performed based on the identity authentication result. The method is advantaged in that safety of the intelligent door lock is improved.

The invention provides a malicious website prompt method and a router. A target website in network access requests in user terminal access is obtained through the router, whether the target website belongs to a malicious website is determined, prompt messages for intercepting the target website are sent to a user terminal, the user terminal does not need to install malicious website intercepting software, and the safety of surfing the internet by users is improved under the conditions that the user terminal cannot install or does not install the malicious website intercepting software.