50results about How to "Prevent illegal modification" patented technology

The invention relates to the technical field of educational management and particularly discloses a school intelligent information management system and a school intelligent information management method. The school intelligent information management system comprises a client interaction module, an international synchronization module, a centralized management module and a history recording module, wherein the client interaction module is used for carrying out information interaction between the school intelligent information management system and a client and receiving a request of the client; the request comprises selection on language and application modes; the international synchronization module is used for carrying out language processing of languages; the centralized management module is used for carrying out sorting processing on different information in the request; and the history recording module is used for recording the different information subjected to sorting processing and storing the record. According to the invention, synchronization of student and teacher information management and synchronization of attendance management data are implemented, a time management function is added, and institutionalization, systematization, standardization and automation of a work flow of the school intelligent information management system are implemented.

The invention discloses an execution environment virtualization method. The method is applied to a mobile terminal. The mobile terminal has a general execution environment provided by hardware. The method comprises the steps of establishing a general virtual machine and a trusted virtual machine for a user in the general execution environment, wherein the general virtual machine is used for executing a general application of the user, and the trusted virtual machine is used for executing a secure application of the user; performing memory allocation for the general virtual machine and the trusted virtual machine, and establishing a mapping relationship between a general memory of the general virtual machine and a physical memory to obtain a first memory mapping table; and establishing a mapping relationship between a virtual physical memory of the trusted virtual machine and the physical memory to obtain a second memory mapping table. According to the method, the two virtual machines are used to simulate the general execution environment and the trusted execution environment for the user, so that the general application and the secure application can run in the independent execution environments, the execution environments of the secure application and the general application are isolated, and the user data security is ensured.

The invention discloses a cloud platform configuration file management method and management system. Configuration programs of all components are placed under a specified file path in a plug-in mode;each plug-in comprises two parts of content, wherein the first part comprises personalized configuration item definitions needing to be modified, and the second part comprises a structure of a complete configuration file of the component and names and values of all configuration items; in a cloud platform deployment stage, personalized configuration item definitions of all the components are opened to a user input value, and the names and values of the personalized configuration item definitions input by the user are stored in a specific storage area; and an accessory plug-in program is executed to generate a configuration template file of each component, a file defined by the personalized configuration item of the specific storage area and the configuration template file are called to generate a configuration file of the component, and the configuration file of the component is placed in a configuration folder of the component. According to the configuration method and the configuration system provided by the invention, effective and safe management of multiple types of complex configuration files of the cloud platform can be realized.

The invention provides a vehicle panoramic inspection device, system and method, and the method comprises the following steps: building a record matching library, and pre-storing the passing voucher data and template features of each vehicle; rGB-D data information of the current vehicle is obtained from multiple angles; checking the passing voucher of the current vehicle, matching the 3D vehicle features with template features corresponding to the passing voucher in a filing matching library, and judging the legality of the current vehicle by calculating a feature distance; according to the vehicle panoramic inspection method, point cloud information is generated through multi-data fusion and registration is carried out to complete vehicle detection and matching, the 3D vehicle identification effect is enhanced, and the accuracy of extraction of 3D vehicle feature identification is improved; by establishing the record matching library, the 3D vehicle features are matched with the template features corresponding to the passing vouchers in the record matching library, so that the vehicle is prevented from being attached to a license plate, fake-licensed and illegally modified, and the legality of the vehicle is ensured.

The present invention provides a cloud disk data modification method, including: when receiving a data modification request sent by a client, generating a random number; using a private key to encrypt the random number to obtain authority verification data; sending the authority verification data to The client decrypts, so that the client uses the public key corresponding to the private key to decrypt the random number from the authority verification data, and uses the public key to encrypt the random number and new data to obtain the coverage data; receive the coverage data sent by the client; Use the private key to decrypt the random number and new data from the covered data; determine whether the random number has changed; if the random number has not changed, obtain the field names of all fields in the new data; read the field names corresponding to the new data value, when the value is not empty, find the field with the same name as the field in the original data; write the value corresponding to the field name in the new data into the field with the same name as the field in the original data. The invention can prevent data from being modified illegally.

The invention relates to a data security protection method and a data security protection device for protecting data security in a computer memory. The method comprises the following steps that: while starting computer equipment, a security module respectively distinguishes and authenticates a user identity and an encryption module, after passing through the distinguishing and the authentication, the security module transmits a data key to the encryption module, in the following use, the encryption module encrypts the memory data for protection, and if the distinguishing and the authentication are not passed, the computer cannot be started. The device comprises the security module and the encryption module, which are arranged in computer equipment, such as a PC host, a PDA, a mobile phone, a PMP or a digital photo frame and the like, and are connected with each other. The method and the device implement the transparent encryption for the memory data of computer equipment and the distinguishing of user identity, and simultaneously, separately store a key and an encryption algorithm, thereby implementing higher security.

The invention discloses a starting cartridge which comprises a cartridge case, a priming composition layer, a smoke agent layer and a sealed paper pad layer, wherein an opening end thereof is closed in a star shape, and the length of the cartridge case is 8-10 mm; the priming composition layer is paved on an inner cavity bottom of the cartridge case; the smoke agent layer is paved on the priming composition layer; and the sealed paper pad layer is arranged on the smoke agent layer, wherein the sealed paper pad layer is adhered on the cartridge case. Since an opening part is closed in the star shape by substituting the original round shape, the inner diameter of the opening part can be 2 mm less than that of the common starting cartridge so as to effectively prevent the reforming of the starting cartridge caused by loadings such as steel balls and the like. The length of the cartridge case is designed as 8-10 mm, which is only 2 / 3 of the normal starting cartridge; the cartridge case is short so that the volume of the powder chamber is small and the loading dosage of the smoke agent is limited. On the one hand, the illegally changed starting cartridge against society can be prevented; on the other hand, the closed opening is in favor of the full combustion of the smoke agent after the starting cartridge is fired, so that the sound and smog can achieve a regulated index requirement when the volume of the powder chamber is small and the loading dosage of the powder is limited.

The invention provides a control device and method for leasing an air conditioner and the air conditioner. The control device for leasing the air conditioner comprises an Internet of Things leasing module, an air conditioner indoor unit main control module and an air conditioner outdoor unit main control module, wherein the Internet of Things leasing module is in wireless communication connectionwith a server and a user through a base station; and the air conditioner indoor unit main control module is electrically connected with the Internet of things leasing module and the air conditioner outdoor unit main control module. According to the control device and method, the Internet of things leasing module is additionally arranged on the air conditioner, and interacts with the server and theuser through the base station, so that the functions of locking, unlocking, leasing and returning the air conditioner on line are achieved; meanwhile, a leasing air conditioner operator can achieve the administrator function on the background through the server, and the current regional air conditioner operation condition is monitored and controlled in real time; and moreover, an air conditioneroutdoor unit carries out anti-cracking verification by receiving two paths of verification signals of the Internet of Things leasing module and an air conditioner indoor unit, the air conditioner is locked when two continuous verification fails, and the user is prevented from carrying out illegal modification.

The invention discloses a method for preventing a user from illegally modifying an operating system (OS). The method comprises the steps as follows: (1) after a basic input / output system (BIOS) is started, a central processing unit (CPU) sends out an instruction of requesting to supply electricity to a universal serial bus (USB) connector connected with an OS FW to a BMC; (2) the BMC receives the instruction and supplies electricity to the USB connector connected with the OS FW; (3) the CPU reads the OS FW to decompress in a memory, and starts the decompressed OS, and meanwhile, the CPU sends out an instruction of stopping supplying electricity to the USB connector connected with the OS FW to the BMC; and (4) the BMC receives the instruction and stops supplying electricity to the USB connector. According to the method, through internal installation of the OS in the BIOS of a server, the user can only use the built-in OS and cannot use other OS, so that the user is prevented from illegally modifying the OS; and an unauthorized operation is effectively prevented from accessing and modifying the OS FW.

The invention discloses a virtualization method of an execution environment, the method is applied to a mobile terminal, and the mobile terminal has a common execution environment provided by hardware; a common virtual machine and a trusted virtual machine are established for users in the common execution environment , the ordinary virtual machine is used to execute the user's ordinary application, and the trusted virtual machine is used to execute the user's security application; performing memory allocation for the ordinary virtual machine and the trusted virtual machine, and Establishing a mapping relationship between common memory and physical memory of the common virtual machine to obtain a first memory mapping table; establishing a mapping relationship between virtual physical memory and physical memory of the trusted virtual machine to obtain a second memory mapping table. The present invention utilizes two virtual machines to simulate a common execution environment and a trusted execution environment for users, so that common applications and safe applications run in independent execution environments, so that the execution environments of safe applications and common applications are isolated, and user data security is ensured.

The invention relates to a campus intelligent security system and working method, including access control and team posts. The access control is set up at the school gate and electrically connected to the school gate controller, the access control is electrically connected to the school's control terminal, and several team posts are erected at intervals. Standing on the side of the team area, the team post is electrically connected to the control terminal, and the control terminal is electrically connected to the class teacher's mobile phone, so that the parents or authorized persons can pick up the students after triple verification of the access control, the team post and the class teacher's mobile phone. The present invention It has extremely high security, effectively prevents criminals from abducting and selling minor students, and at the same time effectively distinguishes the supervision responsibility between the school and parents, and reduces the advantages of disputes.

The invention provides a terminal equipment network access method and device of a block chain, a server and a storage medium, and relates to the technical field of information security. The method comprises the steps that a service node receives a network access verification request of a target terminal node sent by the target terminal node to be accessed to the network, the network access verification request comprises a current feature code of the target terminal node, and the feature code is generated according to a feature parameter of the target terminal node; the service node determineswhether to allow the target terminal node to access the network or not according to the current feature code of the target terminal node and a target feature code of each terminal node pre-stored in the blockchain system, and the target feature code is generated based on factory data of the target terminal node; and if the target terminal node is allowed to access the network, the target terminalnode is accessed to the blockchain system. According to the method, the target terminal node can be effectively prevented from being illegally modified or illegally used, and the authority of verification is improved, so that the security and reliability of the blockchain system can be effectively guaranteed.

The embodiment of the invention provides an intermediate node-based data transmission method, system and device, and a storage medium. The data transmission method comprises the following steps: a first node sends an authorization condition, a first certificate, a data access address and a conversion value of data to an intermediate node; the first node sends a second certificate to a second node;the second node sends the second certificate and a first secret key to the intermediate node; the intermediate node verifies the authorization condition and verifies the second certificate accordingto the first certificate; in response to the second certificate passing the verification, the intermediate node saves the second certificate and sends the first key to the first node; the first node receives the first secret key and stores the first secret key in an access permission list; and the intermediate node sends the data access address and the conversion value of the data to the second node. Therefore, the data transmission process is ensured to be safe and reliable.

The invention provides an auxiliary data cross-network convergence method and system based on a block chain technology. The method comprises the following steps of a data distributed storage and calling step, reading and writing distributed management structured data and unstructured data according to HBase and HDFS components, a data security confluence step, encrypting the data by using an asymmetric encryption algorithm, a block chain operation and synchronization step, performing cross-network synchronization of the data by using the block chain, and a cross-network data transmission step,configuring a route for opening a specified port, and carrying out TCP / IP communication. The method is advantaged in that data transmission is not interrupted, data cannot be stolen, the data is complete and not lost, and cross-network transmission is convenient and safe.

Embodiments of the present invention provide a blockchain-based domain name credit processing method and system, which maintains the credit of each domain name through the domain name credit blockchain, and avoids illegal modification of the domain name credit. When adding a new first domain name to the domain name credit blockchain, each domain name network node in the domain name credit blockchain needs to check the first domain name credit of the first domain name, and the first domain name can be added to the domain name credit after the verification is passed blockchain. The domain name credit is checked through the decentralized method of the blockchain, which avoids the impact of the failure of a single network node on domain name management, and improves the reliability and authority of the domain name credit in the blockchain. The domain name credit maintained by the domain name credit blockchain can realize the rapid judgment of illegal abuse of domain names, which is conducive to maintaining a healthy network environment.