42results about How to "Improve communication security" patented technology

The invention discloses a WLAN (Wireless Local Area Network) management frame transmission method and device and a WLAN, and belongs to the technical field of wireless communication. The AP sends a first operation type management frame, the frame body of the first operation type management frame comprises a first encryption field, the first encryption field is encrypted by a first key, and the first operation type management frame is a beacon frame, a detection response frame, an authentication response frame, an association response frame or a re-association response frame. According to the embodiment of the invention, the first key is preset in the AP, so that the AP can encrypt the frame body of the sent first operation type management frame by using the preset first key, thereby realizing encrypted transmission of the management frame sent by the AP before successful association between the AP and the STA, and improving the safety of WLAN communication.

The invention discloses a secret key following transmission system and method based on dynamic window encryption, and the system comprises a transmitting end which is configured to obtain a chaotic initial value and an original signal to be transmitted; processing the chaotic initial value through a public key encryption module and a first constellation mapping module to obtain encryption key information; the original signal is processed by a bit stream encryption module, a second constellation mapping module and a symbol encryption module to obtain encrypted information, the bit stream encryption module realizes bit stream encryption by using a disturbance sequence generated by a chaotic initial value, and the symbol encryption module realizes symbol-level scrambling by using a'dynamic window structure '; superposing the encrypted information and the encrypted key information by using a power division multiplexing module to obtain to-be-transmitted composite information; the composite information is converted into a time domain signal through fast inverse Fourier transform (IFFT), and signal transmission is carried out through a channel; and dual improvement of communication safety and communication efficiency is realized.

The invention discloses a method for realizing resource service based on OAuth2 and a gateway, and relates to the technical field of information systems. Comprising the steps of 1, creating a resource manager component on a resource server based on an OAuth 2.0 Resource Server component and creating an API gateway component on the basis of SpringCloud Gateway, and 2, receiving an access token carried by a client through the API gateway component, verifying the validity of the access token, checking the permission range of the access token passing verification, determining whether the client has the right to access corresponding resources or not, and if the client has the right to access corresponding resources, executing the step 3, and if the client has the right to access corresponding resources, executing the step 4. Step 3, receiving an access token carried by the client through the resource manager component, verifying the validity of the access token, checking the permission range of the access token passing the verification, determining whether the client has the right to access the corresponding resource or not, if yes, forwarding the request to the correct resource server, and enabling the request to access the resource server; and if the check is passed, providing the requested corresponding resources through the resource manager component.

The invention discloses a recording shielding system, relates to the technical field of recording shielding, is used for providing a conference-level recording shielding service, and provides the recording shielding system aiming at the problem that the existing recording shielding device can only work independently and cannot be used synchronously and cooperatively, and the recording shielding system comprises a central control terminal and a plurality of recording shielding devices. The recording shielding devices in the recording shielding system are cascaded through transmission lines, and after receiving a working control signal transmitted in the transmission line, each recording shielding device controls the recording shielding device to work according to the working control signal, and transmits the working control signal to the next recording shielding device through the transmission line. And the transmission line of the first recording shielding device is led out from the central control terminal, the central control terminal can output a working control signal to be received by each recording shielding device through the cascaded recording shielding devices, and the working control signal controls the working of the central control terminal. Therefore, synchronous cooperative work of a plurality of recording shielding devices is realized, and the recording shielding requirement of a conference level is met.

This invention relates to the field of computer technology, specifically to a method and apparatus for integrating third-party algorithm components based on dual-core collaboration. This application directly integrates third-party algorithm components into the BCM dual-core MCU, eliminating reliance on ZCU and CAN bus communication. This fundamentally eliminates the latency and security overhead caused by cross-ECU transmission and E2E protection, improving signal real-time performance and communication security. By clearly defining the functions and allocating resources of the BCM dual-core, a dedicated storage area is planned for the third-party algorithm components, and a standardized integration environment is built, achieving efficient and stable component integration. Simultaneously, peripheral access strategies are optimized, unnecessary protections and redundant polling are disabled, releasing idle computing power and hardware resources of the BCM and improving utilization. Without increasing the ZCU hardware cost, the chassis braking algorithm is deployed and executed locally, reducing performance losses caused by cross-domain communication and effectively improving the overall system operating efficiency and resource utilization efficiency.

The invention discloses quantum encryption communication of a low-voltage transformer area based on a quantum security service platform. The quantum encryption communication comprises the steps that S1, a local communication bin of side equipment C sends network access authentication data to a main control board; s2, the end equipment S carries out network access authentication; s3, the edge device C obtains an initial secret key K; s4, the end equipment S obtains an initial secret key K; s5, session key distribution is carried out between the side equipment C and the end equipment S; s6, the side equipment C sends downlink data to the end equipment S; and S7, the end equipment S sends uplink data to the side equipment C. According to the invention, the problems of poor communication security and low key use efficiency of the low-voltage transformer area in the prior art can be solved.

The embodiment of the invention provides a security protection module, communication equipment and a communication system. Wherein the safety protection module comprises an active signal input end, top metal, an exclusive-OR gate unit, an OR gate, a gate unit, a verification unit and a register; the active signal input end is used for accessing communication data and transmitting the communication data to the top metal, the exclusive-OR gate unit and the gate unit in parallel; the output end of the top-layer metal is connected with the exclusive-OR gate unit; two output ends of the exclusive-OR gate unit are respectively connected with the other input end of the gate unit and the OR gate; the OR gate is used for outputting an attack mark indicating whether the top-layer metal is damaged or not; the gate unit, the check unit and the register are sequentially connected in series, the gate unit is an exclusive-OR gate unit or an OR gate unit, and the register is used for outputting check data output by the check unit; wherein when the attack mark shows that the top-layer metal is not damaged, if the output result of the gate unit is inconsistent with the communication data, the top-layer metal is damaged. Therefore, the communication security is improved.

The invention relates to the technical field of communication security, in particular to a security encryption wireless communication device and method based on a commercial password algorithm, and the device is installed on terminal equipment facing a commercial password transformation demand, and is used as a client to access an external commercial password service or as a server to agency a local service into a commercial password service; the device comprises a management module, a data capture module and a commercial password encryption and decryption module, the management module supports two management modes, namely a Web management mode and an AT instruction management mode, the Web management mode is suitable for terminal equipment with a browser, and the AT instruction management mode is suitable for embedded terminal equipment; the management module issues a strategy to the data capture module and the commercial password encryption and decryption module according to the configuration of the terminal equipment; and the data capture module and the commercial password encryption and decryption module work according to the issued strategy. According to the invention, comprehensive support for various network protocols can be realized, the compatibility of different systems is improved, and the commercial password transformation difficulty is reduced.

The invention provides an automobile internal wireless communication semiconductor module and method based on a Bluetooth low-power-consumption technology. The method belongs to the technical field of intelligent network connection automobiles and vehicle-mounted communication. The method comprises the following steps: performing dynamic topology modeling on communication nodes in an automobile to generate multi-connection topology network data; the method comprises the following steps: deploying Bluetooth low-power 5.4 multi-link equipment according to multi-connection topology network data, and constructing a dynamic networking architecture; by means of the automobile internal wireless communication method based on the Bluetooth low-power-consumption technology, the stability and reliability of automobile internal communication are improved, the dynamic topology modeling and the self-adaptive frequency hopping technology enable a communication link to flexibly cope with dynamic scenes such as seat movement and automobile door opening and closing, and it is ensured that data transmission is not interrupted. The whole vehicle weight and the wiring cost are reduced, a large number of wire harnesses are replaced by wireless communication, the vehicle body burden is relieved, the wiring process is simplified, and the production cost is saved.

The invention discloses a cooperative system based on Dammann grating multichannel quantum communication. The cooperative system comprises an intelligent platform center, a quantum key management cloud platform, a Dammann grating and a plurality of local user sides, the quantum key management cloud platform comprises a quantum key detection end and a detection result sending end; the local user side comprises a local wisdom sub-platform and a quantum key sending end; the invention also provides a cooperation method based on Dammann grating multichannel quantum communication, which is realized based on the cooperation system based on Dammann grating multichannel quantum communication. The invention discloses a cooperation system and method based on Dammann grating multichannel quantum communication, and the system and method improve the communication safety of an intelligent platform through the combination of the intelligent platform and a quantum communication link. And moreover, multi-channel quantum communication is realized through the Dammann grating, and the Dammann grating can be compatible with the existing optical fiber network, so that the Dammann grating is easier to deploy and use in an actual scene.

The present invention provides an Internet of Things intelligent terminal system and method capable of actively adjusting a communication mode, the method comprising step 1, newly defining a message: based on original message data, newly defining a communication message; step 2, analyzing the message: a receiving-end Internet of Things intelligent terminal analyzes the received message to obtain a valid message; step 3, real-time detection: according to valid message information, real-time detection of the signal strength of LORA communication between different Internet of Things intelligent terminals, and automatic switching between the LORA communication mode and the 4G communication mode according to the change of the signal strength of the LORA communication; through the Internet of Things intelligent terminal system and method capable of actively adjusting a communication mode described in the present invention, the problem of limited communication modes of Internet of Things terminals in different occasions can be solved, the application scope of the communication mode between Internet of Things terminals can be expanded, the communication cost can be reduced, the communication stability and security between terminals can be improved, and the reliability of communication between Internet of Things terminals can be enhanced.

The invention discloses a quantum secure direct communication method based on a one-time pad mode, which belongs to the technical field of quantum communication, and comprises the following steps: Bob prepares a batch of coherent states and sends the coherent states to Alice through a quantum channel, the Alice divides the received coherent states into two groups, performs homodyne detection on one group and sends a detection result to Bob, and the Bob sends the detection result to the Alice; the Bob performs security detection according to the first effective information amount; the Alice encodes the coherent states according to the secret information and sends the encoded coherent states to the Bob, the Bob randomly selects one coherent state to execute homodyne detection and sends a result to the Alice, and the Alice performs security detection according to the second effective information amount; bob performs homodyne detection on other coherent states, calculates a threshold value, and demodulates the threshold value to obtain secret information; the continuous variable quantum state is adopted, generation and detection are easy, loss is small in the transmission process, safety is high, and compatibility with the standard telecommunication technology can be achieved.

The utility model relates to a battery piece material transporting trolley which comprises a trolley body, a 4G module, a PLC device and a bearing and transporting device are arranged on the trolley body, the PLC device is connected with the 4G module and the bearing and transporting device, the 4G module is in communication connection with a material management system in a local area network, and the 4G module is in communication connection with the material management system in the local area network. The communication device is used for transmitting a communication signal between the material management system and the PLC device; and the bearing and transporting device is used for bearing the battery piece flower basket and transporting the battery piece flower basket under the control of the PLC device. Based on the characteristics that the 4G module is high in data safety and is slightly influenced by signal intensity, the material transportation trolley can participate in communication of a material management system in the environment with high communication safety and low communication delay, and the bearing and transportation task of battery piece materials is completed.

The invention relates to the technical field of intelligent network connection, in particular to a management system and method adaptive to multiple sets of public key infrastructure (PKI) security certificates, and aims to solve the problem of how to reduce the complexity of switching different PKI certificate systems at a vehicle end. The invention provides a management system adaptive to multiple sets of public key infrastructure (PKI) security certificates, which is applied to an Internet of Vehicles terminal, and comprises a security management module used for processing security messages and providing security credentials and security data; the PKI system detection module is in signal connection with the safety management module and is used for acquiring the system type of a PKI system currently applied by the vehicle networking terminal; and the adaptation module is in signal connection with the PKI system detection module and is used for receiving the system type from the PKI system detection module and calling a corresponding vehicle end software development kit SDK according to the system type so as to implement a PKI function corresponding to the system type.

The application relates to the technical field of Internet of Things, in particular to a connectionless wireless configuration updating method for sealed equipment, wherein a configuration terminal broadcasts a discovery beacon, a wireless sensor polls and listens and generates a network access request; the configuration terminal responds to the network access request; both sides establish a secure pairing based on a root key to derive a session key; the configuration terminal encrypts target configuration parameters and sends the target configuration parameters to the wireless sensor; the wireless sensor decrypts and verifies the target configuration parameters, updates local configuration, and encrypts feedback results and sends the feedback results to the configuration terminal. The application realizes remote secure configuration updating in a lost state of the sealed equipment through coupling of connectionless communication independent of a TCP / IP protocol and end-to-end encryption, and significantly improves maintainability and security.

The invention provides a method and a system for improving communication security of an intelligent electric meter. The method comprises the following steps: a peripheral device converts a meter number of a communication target electric meter into a corresponding BCD code; the peripheral equipment embeds an equipment type identification code of the peripheral equipment into a specified position of the BCD code to generate an equipment communication address; the peripheral equipment initiates a communication request to the target ammeter by taking the equipment communication address as a source communication address; after receiving and analyzing the communication request, the target ammeter respectively executes verification items: verifying whether the BCD code in the source communication address corresponds to the own meter number; extracting an equipment type identification code embedded in the source communication address, and checking whether the peripheral equipment has the requested authority or not by querying a pre-configured access control strategy; and if any verification item is not passed, rejecting the communication request. According to the invention, a standard communication address which is associated with the target electric meter and contains own identity information can be dynamically generated for various peripheral devices, and device identification and security access control are realized based on the address.

The invention discloses a Jenkins-Kubernetes interactive encryption method, a storage medium, an integrated architecture system and a vehicle, and the Jenkins-Kubernetes interactive encryption method comprises the following steps: when Jenkins executes a deployment task, calling and executing a predefined shell script; the method comprises the following steps: generating a temporary Docker honeypot on the basis of a predefined shell script, the temporary Docker honeypot comprising a Kubectl and a Kubecfig certificate, so that the Kubectl calls a Kubecnetes API (Application Program Interface) through the Kubecfig certificate to interact with Kubecnetes, and then deleting the Kubecfig certificate on the basis of the predefined shell script and releasing the Docker honeypot. Therefore, the communication security of integration of Jenkins and Kubernetes is remarkably enhanced, the high risk of local storage of a Kubsecfig certificate is avoided, external attacks and internal leakage risks are effectively resisted, meanwhile, the high efficiency and flexibility of a CI / CD process are kept, and a solid foundation is provided for rapid iteration and secure delivery of cloud native applications.

This application relates to a real-time network synchronization communication system, belonging to the technical field of computer network communication. The system comprises four core modules: a hardware optical I / O synchronization module, integrating a multi-wavelength optical transceiver array and anti-jitter circuitry, providing a nanosecond-level global clock signal with a synchronization accuracy ≤15ns; a timing orchestration module, based on time-sensitive networking, dividing fixed time windows and dynamic buffer windows, supporting the priority preemption mechanism of the SRIO bus to achieve deterministic data transmission; distributed RTDATA nodes, replacing traditional single-board computers, integrating heterogeneous computing units and intelligent storage controllers, reducing protocol stack processing latency through zero-copy technology; and a dynamic multicast routing system, constructing secure and isolated multicast trees on demand, and optimizing link load distribution using machine learning. This application solves the problem of decreased real-time performance caused by multi-node communication concurrency through the collaborative design of hardware optical synchronization and dynamic data orchestration.

The application discloses an NFV asset management method and device, and belongs to the technical field of communication, and is used for solving the security problem of NFV asset management. The method is applied to an asset management system comprising a first server, a second server and a management client, and comprises the following steps: in response to an authentication request sent by the management client, the first server acquires first asset information of an NFV asset corresponding to the management client carried in the authentication request, and authenticates the first asset information based on second asset information synchronized by a producer of the NFV asset; and after the authentication is passed, the first server sends first connection information to the management client; and the second server performs asset management on the NFV asset corresponding to the management client based on an encryption transmission mode indicated by the first connection information. The method sets up a static default authentication access mechanism before the management client communicates with the server, dynamically accesses and controls the management client, and thus the communication security of the management client and the server is ensured.

The utility model discloses a radio station supporting double transmission modes, and belongs to the technical field of radio station communication. The radio station comprises a shell and a radio station body arranged in the shell, the radio station body comprises a first circuit layer, a second circuit layer, a third circuit layer and a fourth circuit layer which are sequentially and adjacently arranged, and the first circuit layer is provided with a display module, a peripheral interface module and a key module. The second circuit layer is provided with a power supply module, a central processor and a positioning module, the third circuit layer is provided with an information processing module, a sending routing switch, a receiving routing switch and a mode control module, and the fourth circuit layer is provided with an optical fiber receiving module, a wireless receiving module, an optical fiber sending module and a wireless sending module. According to the utility model, the positions of the modules in the radio station are reasonably arranged, the miniaturization design of the radio station is realized, the radio station is convenient to carry, and the use requirements of complex scenes are met.

The present application relates to finite time reduced dimension observer design method and chaotic communication system, belong to information security and chaotic communication field. In view of the defects of traditional asymptotic observer slow, time is uncontrollable, sliding mode method exists chattering and message signal pollution output is difficult to construct observer, the present application establishes the chaotic drive system containing message signal embedding, constructs the equivalent system without unknown signal, designs finite time reduced dimension observer based on observer matching condition and strong observable condition. Compared with the traditional asymptotic convergence observer method, the present application can realize the complete synchronization of chaotic system within the user preset time, adopts continuous control law without chattering, and the message signal can be accurately recovered through algebraic formula. The synchronization time of the present application is controllable, the convergence speed is fast, the recovery precision is high, and the robustness is strong, which is suitable for various chaotic secure communication scenes, effectively improves the communication real-time, security and engineering practicability.

The invention belongs to the technical field of optical communication, and particularly discloses an underwater encryption communication method and device for multi-dimensional optical parameter fusion, and the method comprises the steps: mapping to-be-transmitted real information (real codes) and false information (virtual codes) to a plurality of physical parameters of an optical carrier at a transmitting end; and a brand-new and high-concealment composite signal is constructed through fusion of the two signals. And the composite signal is decoded at a receiving end, so that real information is obtained. The invention aims to solve the problems that the existing underwater laser communication is easy to intercept, the anti-interference capability is poor and the safety is insufficient.

The invention relates to a vehicle communication method and device, a vehicle and a storage medium, and the method comprises the steps: generating a session key from a shared key in a communication process, and enabling the shared key to be obtained through the public parameters of an elliptic curve; encrypting communication data to be sent by the sending vehicle based on the session key to generate encrypted data; and sending the encrypted data to a receiving vehicle, so that the receiving vehicle decrypts the received encrypted data by using the session key to obtain communication data. Therefore, the problems that an algorithm in the related technology has efficiency and security problems in a resource-limited hovercar communication environment, is easy to cause delay and performance reduction, lacks an effective identity verification mechanism and is easy to suffer from man-in-the-middle attack and other forms of security threats are solved.

The application discloses a kind of based on unified port's SIP and RTP tunnel encryption forwarding method and system.The method is cooperated by tunnel client deployed in client side and tunnel server side of server side, including: based on unified port, establishing encrypted communication tunnel between the two;Tunnel client receives SIP signaling, modifies media connection information in it, and then sends to server side through tunnel encryption, and is forwarded to SIP server by server side;Tunnel client receives RTP media stream, and then sends to server side through tunnel encryption after additional header containing forwarding destination information is encapsulated, and is forwarded to SIP server according to header information by server side.The application tunnels and encrypts transmission of SIP signaling and RTP media stream through single port, effectively avoids network protocol ban, greatly simplifies firewall configuration, significantly improves NAT penetration success rate and communication security.

The invention provides a communication control method and device and a vehicle, and the method comprises the steps: switching a main controller from an idle state to an asynchronous transmission state in response to the detection of a first asynchronous communication instruction and the idle state of the main controller; wherein the idle state is used for indicating that the main controller has completed power-on initialization and has no ongoing SPI communication transaction; writing a first byte of first SPI data in the first asynchronous communication instruction into a data sending register of the main controller to start an asynchronous sending process of the first SPI data, and synchronously activating a sending timeout timer associated with the asynchronous sending process; wherein the sending timeout timer is used for monitoring whether the asynchronous sending process is completed within a corresponding timeout time limit or not; the remaining data of the first SPI data is sent byte by byte based on the SPI sending completion interruption, so that the CPU can be released to execute other key tasks after the main controller starts transmission, and the communication overhead is remarkably reduced.

The application discloses an Internet of Things system and a communication method, a communication device, a storage medium, a program product and a computer device thereof. The method comprises the following steps: based on to-be-transmitted data and first identification information of the Internet of Things card, generating encrypted data, and transmitting the encrypted data to an access gateway; in response to an active acquisition identification request from the access gateway, sending a request response message to the access gateway, wherein the request response message carries the first identification information, and the request response message is used for decrypting the encrypted data, so that the communication security of the Internet of Things system can be improved.

The present invention provides a split conductor based on a small-section optical fiber composite sub-conductor, comprising: an optical fiber composite sub-conductor with an optical fiber unit and at least two sub-conductors without an optical fiber unit; the cross-sectional area of ​​the optical fiber composite sub-conductor is smaller than the cross-sectional area of ​​each sub-conductor; when the number of sub-conductors is two, the optical fiber composite sub-conductor and the two sub-conductors are arranged in parallel in a plane according to a preset spacing, and the spacing between the optical fiber composite sub-conductor and the two sub-conductors is equal; when the number of sub-conductors is greater than two, each sub-conductor is arranged in parallel according to a preset spacing and passes through each vertex of a regular polygon vertically respectively, and the optical fiber composite sub-conductor passes through the center of the regular polygon and is parallel to each sub-conductor. The present application has the beneficial effects of significantly reducing the size of the excess cable reel and the joint box of the optical fiber composite sub-conductor and the occupied insulation space, reducing the number of excess cable reels and joint boxes, reducing the difficulty of engineering design and construction, and improving the safety of optical fiber communication under harsh conditions such as rain, snow and ice.

The invention belongs to the technical field of network communication, and discloses an AI-based low-altitude economic communication server security resource allocation method. The method comprises the following steps: receiving m groups of device feature data, wherein m is an integer greater than 1; analyzing the m groups of equipment feature data, and identifying corresponding job tasks; analyzing the m groups of equipment characteristic data to obtain corresponding communication characteristic data; according to the corresponding job tasks and the communication characteristic data, performing priority division on the m groups of equipment characteristic data; dynamically allocating communication resource data based on the priorities and communication characteristic data corresponding to the m groups of equipment characteristic data, and performing data transmission; monitoring a data transmission process in real time, and judging whether an alarm instruction is generated or not; according to the invention, the low-altitude economic communication server can flexibly adapt to the dynamic change of the network load, quickly respond to the dynamic allocation of the resources, and improve the generalization ability of the application scene, thereby effectively improving the communication efficiency and security.

The embodiment of the invention provides an equipment communication identity authentication method and related equipment, and belongs to the technical field of communication security. The method comprises the following steps: analyzing a received equipment authentication request to obtain first identity information of requesting equipment; querying and acquiring a dynamic credible factor of the request equipment according to the first identity information; determining the equipment credibility type of the request equipment according to the dynamic credibility factor; under the condition that the equipment credibility type is credible equipment, a first authentication strategy is adopted to authenticate the request equipment; the first authentication strategy is realized by verifying the digital signature based on an asymmetric encryption technology; under the condition that the equipment credible type is non-credible equipment, a first authentication strategy and a second authentication strategy are adopted to authenticate the request equipment; the second authentication policy is implemented based on an authentication protocol of challenge and response interaction. According to the invention, the equipment identity authentication efficiency and the equipment communication security can be improved.

The invention relates to the technical field of privacy protection, in particular to a data privacy protection method and system based on difference and three-phase adaptive learning. The data privacy protection method comprises the following steps that first differential privacy noise is injected into original data, and non-sensitive data and sensitive data are obtained through division; second differential privacy noise is injected into the sensitive data, and the synthetic data and the non-sensitive data are aggregated; performing privacy protection calculation on the aggregated data, and outputting query data; the data privacy protection system comprises a data division module, a data aggregation module and a privacy protection calculation module. According to the method, after data is divided into non-sensitive data and sensitive data, noise is only injected into the sensitive data to privatize the sensitive data, the influence of disturbance is reduced, meanwhile, multi-level privacy protection is adopted, the noise is gradually injected in different links, and the safety of the data in each link is guaranteed; therefore, an effect of improving data and communication security while maintaining practicability and reducing calculation time is achieved.