33results about How to "Prevent data theft" patented technology

The invention is applicable to the field of information security, and provides a secure cloud computing system. The secure cloud computing system comprises a cloud center, a secure cloud computing server and a proxy terminal, the cloud center is connected with the secure cloud computing server, the proxy terminal is installed on the secure cloud computing server and is in communication connection with the cloud center; a data storage form of three structures, namely, an independent database, an isolated database and a shared database, is adopted, the storage form can be selected according to the data security level, thereby not only saving resources and reducing the cost, but also providing effective security guarantee for the data storage; meanwhile, by means of the identity verification manner, the condition of user information leakage caused by the weak protection measure of the cloud computing terminal is effectively solved, the identity loss, data stealing, information loss and other potential safety hazards are prevented, and in the case of communication abnormality or network interruption, local terminal backup area data and local terminal backup area data and parameters can be used to prevent the loss of user data information in extreme cases.

The invention provides an in-vehicle network safety communication system and method. The in-vehicle network safety communication system comprises a TSP platform, a central gateway, a domain controllerand ECU equipment. The TSP platform is connected with the central gateway through a network, the central gateway is connected with the one or more domain controllers through a network, and the domaincontrollers are connected with the one or more ECU devices through vehicle buses. The method comprises: after first identity authentication and key negotiation are carried out between the TSP platform and the central gateway, constructing a first secure channel, and the TSP platform carrying out encrypted communication with the central gateway through the first secure channel; performing second identity authentication and key distribution between the central gateway and the domain controller, and then constructing a second secure channel, wherein the central gateway performs encrypted communication with the domain controller through the second secure channel; and after third identity authentication and key distribution are carried out between the domain controller and the ECU equipment, constructing a third secure channel, and the domain controller carrying out encrypted communication with the ECU equipment through the third secure channel.

The invention relates to an encrypted writing signing mobile terminal, comprising a display module, a writing input module, a control operation module and a communication module for data exchange. The display module, the writing input module and the communication are respectively connected with the control operation module. The encrypted writing signing mobile terminal also comprises a data processing module which comprises writing signing software, wherein the writing signing software can be executed by the control operation module to realize the writing signing function, and the data processing module is connected with the control operation module. The invention improves the automatic office level and efficiency of governments and enterprises, realizes the purpose that office business can be handled anywhere at any time, and reduces the carbon emission.

A method for developing application software includes the following steps: S1: Firstly, economic information and technical information of software development required for software development are collected, S2: According to the collected information, analyze the collected information, S3: Information on page requirements for software development, The function requirement information and the component loading requirement information are coded, S4: the coded page requirement information, the function requirement information and the component loading requirement information data are integrated,S5: the developed software is tested, S6: the modified data is packaged into a software installation package for users to use. The design of the method is reasonable and convenient for the developmentof the software to be developed, which makes the software more matched with the industry to which the software belongs, facilitates the user to use the software, enhances the sense of experience of the user, and at the same time, the development speed is fast, the time is saved, and the work efficiency is improved.

A method and system for a branch predictor shared by different processor logic cores of the same processor physical core is provided, the method comprising: in a case of enabling a flag function, adding a piece of branch prediction record information in response to one processor logic core, adding a flag indicating which processor logic core the branch prediction record information is added to theadded branch prediction record information; and when the branch predictor carries out branch prediction on a program executed on the first processor logic core, branch prediction record information added to the first processor logic core being determined according to the mark. Branch prediction is performed using only branch prediction record information added to the first processor logic core indicated by the flag.

The invention relates to a cloud computing-based cloud authentication method. The method includes the following steps that: A, a cloud computing terminal generates a unique equipment serial number; B, the identity of a user is read, and an identity authentication server connected with the cloud computing terminal verifies the identity of the user, if the user does not exist, the cloud computing terminal restores initial settings, the method returns the step A; and the cloud computing terminal is connected with and starts a cloud virtual machine cluster server through a client end connection protocol; D, whether the cloud virtual machine cluster server is started normally is judged, if the cloud virtual machine cluster server is started normally, step F is executed, if the cloud virtual machine cluster server is started abnormally, step E is operated. With the cloud computing-based cloud authentication method of the invention adopted, the problem of user information weak caused by weak protective measures of the cloud computing terminal can be effectively solved, and potential safety hazards in various aspects, such as identity confidentiality loss, data interception and information loss can be effectively avoided; a complete cloud identity and cloud data trusted protection chain can be formed; and the problem of unsafety of information and the problem of incapability of realizing confidentiality of the information under a cloud computing environment can be effectively avoided.

The invention relates to an unmanned aerial vehicle inspection system, an encryption method thereof, an unmanned aerial vehicle and a ground terminal. The unmanned aerial vehicle inspection system comprises a ground terminal and at least one unmanned aerial vehicle. The encryption method comprises the steps of obtaining a first key sent by the ground terminal when the unmanned aerial vehicle takes off; in the process that the unmanned aerial vehicle executes the inspection task, the unmanned aerial vehicle obtains the data category of the to-be-returned data, and selects the corresponding encryption module according to the data category of the to-be-returned data to symmetrically encrypt the to-be-returned data according to the first key; and the unmanned aerial vehicle sends the symmetrically encrypted data to be returned to the ground terminal. According to the method, the security risks of data stealing, data tampering, identity counterfeiting and the like for the unmanned aerial vehicle inspection system can be avoided, and the data security of the unmanned aerial vehicle inspection system is greatly improved.

The invention provides a trusted channel authentication system based on protection of sensitive data of evanescent members, which comprises a member management module, a data management module, a trusted authentication module and a sensitive identification module, and is characterized in that the member management module is used for storing basic information of members and judging whether the members are evanescent or not; the data management module is used for storing data information of members, the credibility authentication module is used for acquiring the data information of the members and carrying out credibility authentication, and the sensitivity identification module is used for carrying out sensitivity identification on data items in the data information. The credible authentication module adopts an encryption protection mechanism when acquiring data, acquires a data storage code from the member management module as a certificate for acquiring the data from the data management module, and protects sensitive data of an evanescent user, so that the data security of the user is protected on the premise of ensuring the credible authentication function.

The invention discloses an authentication and key negotiation method and device and a storage medium, and the method comprises the steps: a key management device configures a seed key set for a terminal device, and periodically updates the current effective seed keys of the terminal device and an authentication device; the terminal equipment initiates identity authentication to the authentication equipment, the terminal equipment and the authentication equipment generate derived passwords based on the current effective seed key and a preset association factor respectively, and identity authentication is carried out by sending challenge codes to each other and encrypting and verifying the challenge codes of the opposite side according to the respective derived passwords. According to the technical scheme provided by the invention, a one-time derived password can be generated by adopting a non-interaction mode through association factors based on time or events, identity verification is carried out through the derived password, a seed key is transmitted through a post quantum password, and meanwhile, the seed key is periodically updated, so that the security characteristic that the key is irrelevant in the forward and backward directions is realized, and the security of the key is improved. And quantum safety is realized.

The invention belongs to the technical field of network data exchange, and particularly relates to a rapid data exchange system between networks, which comprises a first processing subsystem and a second processing subsystem, the first processing subsystem is used for acquiring data transmitted in real time from an external network communication system in one network, dividing the data into a plurality of data packets according to a random rule, encrypting the plurality of divided data packets one by one in sequence according to a private encryption algorithm, and sequentially sending the encrypted data packets to the second processing subsystem; the second processing subsystem is used for decrypting the plurality of encrypted data packets one by one in sequence according to a private decryption algorithm to obtain a plurality of decrypted data packets, and verifying each decrypted data packet; and combining the plurality of decrypted data packets after verification according to a sequence by using a random rule, verifying the combined data, and sending the combined data after verification to an external network communication system in another network.

The invention discloses a portable computer device based on SDR, the structure of which comprises a display screen, a cover plate, a hinge seat, a cooling hole, a USB socket, a body, a protective plate, a buckle, a mouse operation panel, a cover lock, and a fingerprint recognizer , keyboard, computer main board, the cover plate is hinged to the body through the hinge seat, the display screen is a square structure and installed in the middle of the cover plate, there are two hinge seats and are located on the same plane, and there are more than two cooling holes and are uniform Equidistantly arranged at the rear end on the left side of the body as an integral structure, the beneficial effect of the present invention is that a fingerprint reader is provided through its structure, and it is necessary to pass the fingerprint recognition disk inside the outer frame of the fingerprint reader mounting plate when in use. Carry out identification, and then make authentication on the identification board. When the identification is correct, the prompt light will light up green, and if the identification fails, the red light will light up, which can improve the security of the computer and prevent the data in the computer from being stolen.

The application relates to a receptacle (10) comprising a plurality of inside pockets (12) for holding objects, each of which is equipped with an RFID or NFC chip. At least two surfaces (16) of the receptacle (10) which include at least one of the plurality of inside pockets (12) are provided with an electrically conductive layer (14) so that the at least one of the plurality of inside pockets (12) is shielded from electromagnetic radio waves by the at least two surfaces (16, 18).

The invention discloses a data storage disk with an anti-theft assembly. The device comprises a shell, a card reader and an SD card, the card reader comprises a USB interface and an SD card slot. TheUSB interface extends out of one side of the shell; the anti-theft assembly comprises a plurality of lock sleeves and a plurality of conducting rods; the lock sleeve is rotationally connected with theshell; a spiral groove surrounding a circle is formed in each lock sleeve; a guide frame is arranged in the shell; a plurality of first guide holes are formed in the guide frame; a conducting rod isarranged in the first guide hole in a sliding manner; a guide block extending into the spiral groove is arranged on the conducting rod; one end of the conducting rod is always conductively connected with the contact part in the slot, a first contact is arranged on the SD card, a second contact is arranged at the other end of the conducting rod, axial alignment marks are arranged on the outer wallof the shell, a plurality of unlocking codes are arranged on the outer ring of the lock sleeve, and when the correct unlocking codes are aligned with the alignment marks, the first contact makes contact with the second contact for conduction. The data storage disk can effectively prevent data from being stolen.

The invention provides a data storage method and device, and a storage medium. The method comprises the steps of determining a first operation permission of a file based on file configuration information; generating a first operation contract corresponding to the file, wherein the first operation contract comprises a first operation authority; storing the file, generating a first operation limiting block according to the first operation contract, and publishing the first operation limiting block in a block chain; obtaining a first operation contract based on the first operation limiting block;and obtaining a first operation authority from the first operation contract, and performing corresponding operation on the file based on the first operation authority and the operation request. According to the method, the device and the storage medium disclosed by the invention, the operation authority of the file is stored by utilizing the tamper-proof characteristic of the block chain, and theoperation is verified based on the operation limiting block, so that the operation of all data is controlled, data tampering and data embezzlement are avoided, and the authenticity and the availability of the stored file are effectively ensured.