18results about How to "Improve communication security" patented technology

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 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 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 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 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.

This invention provides a method and system for optimizing communication security in a near-field ISAC-NOMA system. The near-field ISAC-NOMA system includes a base station, a sensing target, several legitimate users, and an eavesdropper. The method includes the following steps: S1: Obtaining the security rate at the legitimate user location in the near-field ISAC-NOMA system, where the security rate includes the covariance matrix of the base station's transmitted signal; S2: Constructing an objective function based on maximizing the security rate, and adding a CRB constraint to the objective function; S3: Solving the objective function to optimize the covariance matrix of the base station's transmitted signal. This scheme utilizes the characteristic of near-field systems that can combine angle and distance, achieving maximum security by optimizing the transmitted covariance matrix at the base station (BS) and limiting the CRB boundary of the sensing target. Specifically, in terms of beamforming, it achieves signal enhancement at the legitimate user location and suppression at the eavesdropper location, thereby enhancing communication security.

The invention provides a rail transit self-locking type anti-covert communication method and device, a medium and a product, and the method comprises the following steps: when a terminal initiates a random access request, issuing a random access response containing a temporary cell wireless network temporary identifier and uplink authorization information; receiving and analyzing a competition resolution request of the terminal, and obtaining a competition resolution identity identifier; taking the temporary cell identifier as an initial parameter to generate a pseudo-random disturbance sequence with the same length as the identity identifier; shifting the identity label and performing XOR with the disturbance sequence to obtain an intermediate correlation sequence; performing interleaving replacement on the intermediate sequence according to a replacement rule determined by the temporary cell identifier to generate a self-locking identifier; and constructing a competition resolution confirmation message by using the self-locking identifier and sending the competition resolution confirmation message to the terminal. By implementing the technical scheme provided by the invention, the dynamic binding of the identity label and the access context can be solved by competition, covert channel attack and identity fraud are effectively defended, and the security and reliability of rail transit wireless communication are improved.

The invention discloses an end-to-end direct connection method and device based on a communication network, a storage medium and equipment, and relates to the technical field of communication. The method comprises the following steps: executing direct connection communication service configuration according to real-time communication information respectively reported by a first terminal and a second terminal and pre-registered direct connection communication service configuration information, and determining a direct connection communication service association relationship between the first terminal and the second terminal; wherein the first terminal and the second terminal are both configured with SIM cards supporting an end-to-end direct connection service communication protocol; in response to a direct connection request initiated by the first target terminal, determining a dynamic address of a second target terminal according to the direct connection communication service association relationship; and under the condition that the first target terminal initiates a connection request through the dynamic address of the second target terminal and the second target terminal returns a response message in response to the connection request, establishing an end-to-end direct connection communication link between the first target terminal and the second target terminal within the network range of the core network based on a direct connection service communication protocol.

The present application belongs to the technical field of machine learning, and particularly relates to a quantum key distribution sampling value prediction method, device and medium. The method comprises the following steps: simulating a signal with a limited sampling bandwidth to generate the signal, sampling the signal, and constructing a data set using the sampling result; data preprocessing, polynomial feature mapping and standardization processing of input features to obtain a training set; constructing a peak regression model, the peak regression model comprising an embedding layer, a multi-layer transformer encoder and a regression decoding module; training the peak regression model based on the training set to obtain a sampling value prediction model; and inputting a signal with signal peak distortion into the sampling value prediction model to realize sampling value prediction. The present application has higher prediction accuracy, better calculation efficiency and can realize signal restoration without relying on an analog-to-digital converter hardware compensation module.