809 results about "Handshake" patented technology

The invention provides a communication module low-delay switching control method based on HPLC and HRF, and relates to the technical field of data processing, and the method comprises the following steps: when an index continuously exceeds a dynamically adjusted judgment threshold, a switching judgment unit generates a mode switching enable signal, and initializes an HRF channel pre-synchronization sequence; based on a pre-stored HRF channel feature vector table, HRF channel negotiation and authentication handshake processes are executed in parallel while HPLC link state monitoring is maintained; through a dual-channel redundancy transmission mechanism, the key fault information is packaged into a final priority protocol data unit before the establishment of the HRF link is not completed, and redundancy forwarding is carried out through a reserved time slot window of the HPLC link; and after the handshake of the HRF link is completed, the switching control unit executes seamless switching of the data transmission channel. According to the invention, the accuracy of channel state judgment is improved.

The invention relates to the technical field of multi-modal behavior anomaly detection scheme design, in particular to a multi-modal behavior anomaly detection method and system under the condition that encrypted traffic is not decrypted. The method comprises the following steps: capturing a network encrypted traffic data packet in real time; on the premise that decryption is not carried out, multi-mode non-decryption features such as flow layer statistics, time sequence interaction, encryption handshake and context association are extracted in parallel; establishing a dynamic normal behavior baseline model of each feature based on historical data; the real-time features are compared with the baseline model, comprehensive judgment is carried out through a multi-mode correlation analysis algorithm, and an anomaly detection result is output; and when the abnormal condition is judged, the network control equipment is automatically linked for blocking. The method thoroughly gets rid of dependence on traffic decryption, realizes high-precision and self-adaptive detection and rapid automatic response to abnormal behaviors in encrypted traffic through multi-dimensional feature fusion and dynamic baseline technologies, and effectively solves the problem of failure of a traditional detection technology in an encrypted environment.

According to the instant application, there are provided systems and methods to create a quantum secure / resistant secure communication channel (QSR-SCC) for communication between two or more end-points at or within devices, applications, services, APIs, secure communication protocols, etc. In one example of a QSR-SCC, a quantum secure / resistant private network (QSR-PN) extends existing VPN solutions using one time pad (OTP) based keys, augmented handshake mechanisms, and interchangeable ciphers, for example, stream ciphers or block ciphers, for enhancing security associated with the QSR-PN.

The invention relates to the technical field of audio and video transmission, in particular to an internal and external network audio and video secure transmission method and system based on a cloud platform. By combining the load balancing technology with the real-time load state and the audio and video stream characteristics of the cloud platform, the encrypted traffic can be dynamically distributed to a plurality of back-end servers, and the calculation overhead in the encryption process can be effectively reduced through selection of the lightweight asymmetric encryption algorithm and the optimized key exchange process; in a handshake stage, by optimizing a key negotiation process and adjusting a key exchange process according to segmentation characteristics, the execution efficiency of a protocol is further improved, and by dynamically adjusting the execution opportunity of encryption operation, it is ensured that the encryption operation is executed at a proper opportunity, and the encryption efficiency is improved. By monitoring and adjusting the load distribution strategy and the encryption parameters in real time, the system operation mode can be dynamically adjusted according to the distortion degree and the transmission state of the audio and video streams, and the distortion degree of the audio and video streams is effectively reduced.

The invention relates to a PLC-bridging gateway internet-of-things automatic identification method, system and device and a medium. The method comprises the following steps: sequentially sending handshake detection signals to a plurality of PLC devices and receiving response messages; forming a candidate handshake data combination set, and completing handshake matching through a priority algorithm and an adaptive polling mechanism; verifying the response frame, analyzing the equipment information, and confirming the active state and communication parameters of the PLC equipment; generating a drive binding strategy according to a matching result, and distributing a session identifier for the drive binding strategy; generating a session identifier of the target PLC equipment, and updating a session routing table in the bridging gateway; and translating the industrial data collected by the target PLC device into an Internet of Things protocol data packet and uploading the Internet of Things protocol data packet to a cloud data center. According to the invention, automatic identification and rapid adaptation of various interfaces and protocols can be realized; the communication stability and real-time performance are improved through dynamic scheduling and route updating; uniform data uploading is supported, and efficient deployment of cloud analysis and the industrial Internet of Things is facilitated.

The invention relates to the technical field of keyboard pairing, and discloses a keyboard multimode pairing method and device, equipment and a storage medium. The method comprises the following steps: establishing a switching time calculation model of a keyboard according to the reference switching time of keyboard hardware, a protocol node cooperation coefficient, an equipment response weight coefficient and a pre-connection optimization coefficient; calculating the theoretical optimal switching time of the current switching scene; selecting a working mode of single-node direct switching, double-node pre-connection or three-node parallel pre-connection of a keyboard Bluetooth node, a 2.4 GHz node and a USB node; activating a corresponding communication node, sending a connection handshake signal to the target equipment and establishing a communication link pre-connection state; and switching keyboard input and output from the current equipment to the target equipment to finish quick connection switching between the equipment. According to the invention, a pre-connection mechanism is adopted, the target equipment connection is established in advance before the user completes the switching instruction, passive response switching is converted into active prediction switching, and instantaneous equipment switching is realized.

The invention relates to the technical field of integrated circuit design, computer system structures and embedded systems, in particular to a high-real-time interrupt management system and method based on an RISC-V. The system comprises an improved platform-level interrupt controller and an optimized processor internal interrupt processing unit. The system and the method are in tight coupling cooperative work through a special interruption field interface and a system bus, and the system further comprises a core local interrupter, an SRAM, an APB bus matrix and other components. The improved platform-level interrupt controller is responsible for sampling, gating, arbitration, flow control and direct memory access transmission of external interrupt, and a plurality of functional modules are arranged in the improved platform-level interrupt controller; an interrupt processing unit in the processor is responsible for hardware handshake, vector jump, nested control and tail biting mechanism implementation. Through hardware field management, multi-level priority arbitration, hardware nesting and tail biting mechanisms, delay and overhead caused by software intervention in a traditional architecture are eliminated, nanosecond response is achieved, the system throughput rate is increased, the software development threshold is lowered, and the method is suitable for strong real-time scenes.

The invention relates to the technical field of data communication, and discloses an intelligent agent high-speed bus implementation method and system based on an FPGA and a dynamic smoothing technology. The method comprises the following steps: constructing a single handshake message through a lightweight protocol, adjusting network indexes by adopting an exponential smoothing method, constructing a pipeline processing unit in an FPGA card by utilizing a VHDL, realizing key updating and encryption processing, constructing a three-layer adaptive structure connection subsystem, and optimizing algorithm parameters and resource allocation according to a running state. And a high-performance bus communication system is formed. On the premise of ensuring the communication security and reliability, the network transmission delay is remarkably reduced, and the data throughput is improved, so that the communication system can meet the requirements of emergency linkage and large data volume transmission in a scene (such as a rail transit station-level system) with a high real-time requirement.

The invention discloses a certificateless post-quantum TLS handshake method based on a KEM and an IBE. According to the method, the IBE public key is adopted to encrypt the temporary KEM public key, the key negotiation function and the identity authentication function are integrated in the single calculation operation, the protocol interaction structure is simplified, and certificateless two-way implicit authentication and forward security key negotiation are achieved. In a two-way identity authentication scene, the client can send the application data only by one round-trip delay, so that the connection establishment efficiency is effectively improved. By adopting the method disclosed by the invention, the attack of a quantum computer can be resisted, and the technical defects of the traditional and existing post-quantum TLS protocol in the aspects of quantum security resistance, communication overhead and handshake delay are overcome.

The invention relates to the technical field of wireless communication, in particular to an OTA upgrading method and system for Bluetooth sound equipment. The method comprises the following steps: acquiring to-be-upgraded firmware data and currently played audio data, and acquiring power amplifier current feedback data of a sound speaker by sending a double-frequency detection signal containing 21kHz and 22kHz; acquiring equipment transmission capability confirmation data according to a silent response mode of the sound equipment to the preset handshake signal; and calculating a nonlinear distortion coefficient of the loudspeaker according to the intensity of the 1kHz difference frequency component in the power amplifier current feedback data, and obtaining real-time channel evaluation data based on current waveform deviation analysis. According to the method, the nonlinear distortion degree of the loudspeaker is accurately evaluated through the 1kHz difference frequency component generated by the 21kHz and 22kHz dual-frequency detection signals, so that the reliability of data transmission is more accurately predicted.

The invention provides a self-adaptive PD charging control method and system based on a double Type-C circuit and a storage medium, and the method comprises the steps: monitoring an interface connection state in real time, collecting power-on current information when peripheral access is detected, and intelligently recognizing a device type in combination with a preset current threshold range and a PD protocol handshake process. The function change-over switch and the charging management module are dynamically configured; if the device is a data device, a data path is connected and power output is limited; if the device is a charging device, charging parameters are negotiated and high-power transmission is started; when the double charging devices are connected, intelligent power distribution and priority management are executed, electrical parameters such as voltage, current and temperature are continuously monitored, and self-adaptive adjustment is triggered when the voltage, the current, the temperature and the like exceed the limit. According to the invention, intelligent function switching and safe power management of double interfaces are realized, the risk of misplug damage is effectively avoided, and the equipment compatibility, the system energy efficiency and the user experience are improved.

The invention relates to the field of knowledge graph data processing, and discloses an indoor space automatic layout and rendering method and system based on a design knowledge graph, and the method comprises the steps: maintaining an entity knowledge graph containing a variation path, and discretizing a continuous geometric space into an environment topological graph; executing node mapping and resource topology handshake verification based on subgraph isomorphism; and responding to the mapping deadlock, triggering recursive topology rewriting along the variation path to reconstruct the query sub-graph, and generating a configuration instruction. According to the method, continuous geometric search is converted into discrete atlas isomorphism and attribute propagation, the high-dimensional space layout calculation complexity is reduced, the deadlock problem under the over-constraint condition is solved by utilizing a recursive variation mechanism, and the configuration efficiency is improved. And the logic leakproofness and engineering compliance of the layout scheme are ensured.

The invention provides a universal serial bus (USB) 2.0 host speed reduction bridge based on bidirectional protocol handshake and a prototype verification or hardware simulation acceleration platform, which are characterized in that a slow-speed side module runs at a slow clock frequency, is responsible for realizing a protocol layer of a USB protocol and a physical link layer function of the USB protocol, and communicates with a USB2.0 host controller in a chip design (DUT) to be tested; the original speed side module works under the original clock frequency, logic of a protocol layer of a USB protocol and a physical link layer of the USB protocol is achieved, communication with an external real USB2.0 slave end device is achieved through a USB2.0 PHY, data caching and synchronization are achieved through a data caching RAM, and the bridge control module overall plans the whole situation and accurately regulates and controls independent handshake of the USB2.0 protocol layers on the two sides under the original clock frequency. Through bidirectional protocol handshake on the two sides of the speed reduction bridge, data communication between a low-speed to-be-tested chip design (DUT) in a chip prototype verification platform and external standard-speed real USB slave equipment is achieved through the speed reduction bridge.

The invention provides an inter-device time synchronization method and device, and the method comprises the steps: carrying out a handshake operation with a to-be-synchronized device based on a pre-constructed communication channel in response to the triggering of a time synchronization operation, and recording the local end timestamp information and the synchronization end timestamp information of the handshake operation, and reading synchronization end timestamp information according to a feedback message sent by the to-be-synchronized device, determining a clock skew value of the to-be-synchronized device and a synchronization confidence coefficient of the time synchronization based on the local end timestamp information and the synchronization end timestamp information, and matching a time synchronization strategy according to the clock skew value and the synchronization confidence coefficient, so that the to-be-synchronized device performs time synchronization correction. And determining a synchronization interval duration according to the synchronization confidence and the clock skew value, so as to execute the next time synchronization operation according to the synchronization interval duration, the timestamp information is recorded through the handshake operation, the clock skew and the synchronization confidence coefficient are determined, the time synchronization strategy is matched, the synchronization interval is determined, and the problems that the synchronization precision is insufficient and the strategy is not flexible are solved.

The invention discloses a mobile phone pole charging heat-electricity multi-mode fusion safety protection system based on deep learning, and relates to the technical field of charging control, and the system comprises a handshake echoing module which completes the pole charging handshake of a mobile phone and an adapter, then the mobile phone issues a tentative pulse packet, and the tentative pulse packet is outputted by the adapter in order to form first-round echoing data; the instruction encoding module is used for sending the first-round echo data and the simplified hot area schematic diagram into a neural echo encoder together to generate a safety ripple instruction set and a partition allocation table; and the contrasting and revising module is used for contrasting and rewriting the echo index and the execution receipt in the first-round echo data item by item and generating a revised safety ripple instruction set and a partition allocation table. According to the method, a neural echo encoder is utilized to perform conjoint analysis on first-round echo data and a simplified hot area schematic diagram, a safety ripple instruction set facing an adapter side and a partition allocation table facing a battery side are generated, and integrated output of a charging pulse sub-palette shape and a space rotation bearing strategy is realized.

The invention relates to the field of remote communication network optimization, and discloses a predictive remote communication method and system. The method comprises the following steps: generating a time sequence sample structure based on historical communication data, and constructing a deployable model through LSTM model training and Bayesian optimization; receiving a communication request in real time, predicting a demand probability, and triggering a dynamic handshake protocol to be connected with the security encryption; generating optimal path configuration by combining network topology analysis and a dynamic programming algorithm; and finally, online updating of the model is realized through performance monitoring and incremental learning. According to the method, time sequence prediction and dynamic path optimization are fused, the problems that model training and network topology are disjointed, dynamic optimization lags and the like in a traditional method are solved, the connection establishment speed and the transmission stability in a high-delay scene are remarkably improved, and meanwhile the self-adaptive capacity of the system is enhanced through embedded packaging and a hot updating mechanism.

The invention provides a KEM-based anti-quantum TLCP protocol design method and system, and belongs to the technical field of information security. The method comprises the steps that a server side applies for a server side signature certificate and an encryption certificate from an issuing mechanism, a long-term server side signature public key is stored in the server side signature certificate, and a long-term server side encryption public key is stored in the encryption certificate; and in the TLCP handshake protocol, identity authentication and key exchange between the server and the client are realized based on the long-term server signature public key and the long-term server encryption public key. According to the method, the anti-quantum KEM is used for replacing signature and encrypted primitives to realize key exchange and identity authentication functions of the protocol, identity authentication does not depend on the signature of a message any more, and meanwhile, a client introduces a temporary public key to replace a long-term static public key to participate in a KEM key negotiation process, so that the forward security of the protocol is ensured, and the security of the protocol is improved. Therefore, the efficiency and the security of the TLCP protocol are improved.

The invention relates to the technical field of software communication, and discloses a software offline downloading method and an offline downloader. The method comprises the following steps: establishing an offline downloading system, wherein the offline downloading system comprises an offline downloader main body and target equipment of to-be-updated firmware; before firmware data transmission is carried out on the offline downloader main body and the target equipment, a user-defined handshake process is executed to confirm that both the offline downloader main body and the target equipment are in a data transmission ready state; and transmitting the firmware file to the target equipment through the communication module, and performing data verification in real time in the transmission process. The rechargeable power supply unit is arranged in the offline downloader main body to break through power supply limitation, the double communication sub-modules are adapted to different scenes, self-defined handshake is matched with verification before transmission to improve reliability, firmware verification and error processing guarantee safety, the whole downloader does not need to depend on a computer and an external power supply, the operation threshold is low, and the practicability is high. And a stable, convenient and safe scheme is provided for firmware updating of the target equipment.

The invention relates to a charging control method and device, a vehicle, a charging pile and a charging system. The method comprises the steps that under the condition that a first message sent by a charging pile is received, if first verification information in the first message passes verification, a second message is sent to the charging pile, and the second message comprises second verification information, a vehicle identification code and current offset; executing a charging handshake process with the charging pile; and under the condition that the charging handshake process is completed, the current offset in the second message is utilized to adjust the charging current value requested by the vehicle. Therefore, on the premise of ensuring that the current offsets at the two ends are matched, the hardware potential of the vehicle and the charging pile can be fully utilized, the inherent current limitation is broken through through the current offsets, the charging current value is increased, the charging time of the electric vehicle is shortened, the charging safety is synchronously guaranteed, the rapid charging requirement of a user is met, wrong charging pile access is prevented, and the charging efficiency is improved. Charging safety is guaranteed, and tampering and counterfeiting are prevented.

The invention relates to the technical field of underwater communication, in particular to a collision avoidance method suitable for digital underwater acoustic communication, which is characterized in that a neighbor propagation delay mapping database is maintained at each communication node, and inter-node propagation delay information is acquired through passive monitoring and active detection. When a node wants to send data, combining delay mapping to predict a channel occupation time slot, and judging whether the sending is conflicted with an RTS / CTS handshake stage, a data transmission stage and an ACK (Acknowledgement Character) confirmation stage which are carried out by a neighbor; if a conflict risk exists, the node delays to send the RTS and then initiates handshake until the security window is finished, so that collision caused by hidden nodes and exposed nodes is avoided, meanwhile, parallel transmission under the conflict-free condition is allowed, the channel space-time multiplexing efficiency is improved, the network throughput can be remarkably improved, the data packet collision rate is reduced, and the network performance is improved. And the node access fairness is improved.

The invention discloses an ocean buoy selection access method under a satellite communication network, which comprises the following steps: based on a time slot framework, sensing the link state of a coverage satellite in real time through buoy equipment at the beginning of each time slot, fusing multi-dimensional parameters such as signal strength, bandwidth and time delay, and quantifying the link quality by using a channel estimation algorithm; an optimal satellite link is dynamically selected through a deep reinforcement learning intelligent decision algorithm, and multi-target collaborative optimization of throughput maximization, inter-satellite load balance and access delay minimization is realized; in the execution stage, reliable access is completed by adopting a standardized four-way handshake mechanism, and meanwhile, invalid links are actively avoided through an elevation coverage model. The method has the advantages that the communication efficiency and reliability of a dense buoy area are improved, the computing power requirement of a miniaturized buoy terminal is reduced, and a core support of a self-adaptive dynamic environment is provided for a global ocean monitoring network.

Systems and methods are disclosed for dual, simultaneous, single-session, proximity-based, secure authentication of a Digital Assisted Shopping (DAS) representative and a customer in an unsecured remote location. The method includes installing a mobile banking application on the customer's device and an enterprise application on the DAS representative's device, both with biometric verification. Proximity detection using Bluetooth Low Energy (BLE) initiates a secure session via push notifications. A secure communication channel is established through a secure local handshake, involving encryption key exchange and mutual authentication. The system exchanges data related to customer profiles and financial accounts, continuously monitors geolocation using GPS, Wi-Fi, and cellular data, and performs periodic background biometric re-verifications. AI / ML algorithms analyze customer data to propose financial products and services, which are securely shared with the customer for review and selection. The system facilitates real-time enrollment and transaction processing, terminating the session upon detecting security breaches.

A quantum-resistant security enhancement method for a transport layer security protocol, comprising: (011) acquiring a first quantum key and a quantum key identifier from a serving node; (012) performing post-quantum cryptographic encryption on the quantum key identifier to obtain a first encryption result, and sending the first encryption result to a network device; (013) decrypting a received second encryption result to obtain a second decryption result; (014) obtaining a first terminal handshake key and a first network device handshake key on the basis of the first encryption result and the second decryption result; and (015) generating a second terminal handshake key and a second network device handshake key on the basis of the first quantum key, the first terminal handshake key, the first network device handshake key, the first encryption result and the second decryption result, so as to encrypt communication between the terminal and the network device.

The invention provides an AC / DC charging pile electric energy metering verification method based on remote data comparison, and belongs to the technical field of electric energy metering verification, and the method comprises the steps: S1, installing a 0.05-level lightweight switching tester and a 4G / 5G communication module, and carrying out the real-time data uploading and instruction receiving between a charging pile and an electric vehicle, clock synchronization between devices is achieved through a satellite time service protocol, a precise time reference is provided for subsequent data comparison, CP and PE voltage and pulse width duty ratio changes are monitored in real time through a PWM signal acquisition module for an alternating current charging pile, and the charging stage is automatically judged in combination with handshake protocol characteristics in regulations; for the direct current charging pile, the CST and CSD frames in the BMS communication message are analyzed, and starting and stopping are extracted in combination with the state machine in the charging stage, so that automatic identification and time marking of the charging process without human intervention are realized, the accuracy and automation level of judgment of the charging process are improved, and a reliable time basis is provided for remote verification.

The invention discloses a network interface card with autonomous access authentication, and provides an integrated hardware authentication mechanism. The EAP-TLS client protocol stack is integrated on the bottom layer of the network card, so that the defect that an authentication module depends on a host system, manual intervention and the like in the existing scheme is overcome, TLS handshake and certificate verification are independently completed on the network card side, and authentication interaction is automatically initiated. The network interface card serves as a unique identity certificate of an access network, a client certificate and a corresponding private key are embedded in the network interface card and are stored in a protected nonvolatile area, and data confidentiality is effectively enhanced. The network card is used as an identity certificate and network access equipment at the same time, and the integrated design reduces the dependence on the service capability of management personnel. A traditional physical network card and an automatic authentication protocol are fused, and the method is suitable for application environments with high requirements for access control and authentication safety, such as an enterprise intranet and a government affair private network.

A system, method, and receiver control architecture for a Symbolic Resonant Energy Transfer Network (SRETN) configured to distribute electrical power wirelessly across planetary-scale distances under cryptographic, economic, and biological safety governance. The system comprises a distributed mesh of terrestrial resonant transmission towers and orbital relay satellites configured to deliver energy via directed magnetic resonance coupling. A Symbolic Energy Kernel governs authorization and transmission, preventing energization of any transmission vector unless a secure cryptographic energy handshake is completed. The handshake verifies: (i) authenticity and compliance of a requesting receiver device; (ii) real-time solvency of an associated decentralized energy ledger account; and (iii) clearance of the transmission path through active radar and lidar-based biological exclusion scanning. Energy is transmitted as discrete, tokenized packets, each cryptographically metered and acknowledged by the receiver prior to continuation. The system enables a wireless, infrastructure-light energy distribution paradigm in which electrical power is accessed on demand with transaction-level auditability and enforced safety constraints.

An example operation includes one or more of establishing a secure channel between a host platform and a vehicle based on a transport layer security (TLS) handshake between the host platform and the vehicle, downloading an authorization code to the vehicle through the secure channel between the host platform and the vehicle, receiving the authorization code from a mobile application installed on a mobile device, generating a mobile application certificate for the mobile device and transmitting the mobile application certificate to the mobile application on the mobile device, and establishing a secure connection between the host platform and the mobile application on the mobile device based on the mobile application certificate.

This disclosure relates to creating a connection between two devices without using a UUID and / or MAC address. For example, a first device can store a private key for creating a secure connection. A second device may request that a user log into an account associated with the first device (e.g., a customer account, a financial account, an employee account, and / or the like) in order to initiate the wireless connection. The second device user can enter login credentials via the second device, which may then be transmitted to a backend system. The backend system can receive and validate the login credentials and, in response, transmit a public key to the second device. The second device can use the public key to perform a public / private key handshake in order to validate the first device.

The embodiment of the invention relates to the field of data synchronization, and discloses a same-number multi-terminal call data synchronization method for a VoIP (Voice over Internet Protocol) system. In the invention, the existing SIP signaling channel between the terminals and the SIP server is multiplexed, and the control information is transmitted to negotiate to establish the end-to-end data channel which does not pass through the SIP server. And then, the terminal executes a set of four-stage handshake synchronization protocol based on an incremental change log through the end-to-end channel to synchronize call data. The problem that the related technology in the field depends on a synchronization server or is limited by near field communication is effectively solved, and real-time synchronization and consistent convergence of service data between terminals are realized on the premise of keeping the existing VoIP signaling architecture unchanged and not additionally deploying a special centralized data synchronization server; the system reliability is improved; and the deployment and maintenance cost is reduced.

The invention discloses a portable wireless radio frequency switching method and system, a medium and a program product, and relates to the field of transmission, in the method, a switching device obtains a radio frequency signal strength value of a device to be switched; the switching device sends an awakening instruction and a handshake request to a to-be-switched device which is in a deep sleep state and keeps low-power-consumption monitoring; executing the handshake request to establish a secure communication connection; the switching device sends the encrypted radio frequency configuration data to a device to be switched, and the device to be switched writes the encrypted radio frequency configuration data into a nonvolatile memory; after the equipment to be switched completes writing of the encrypted radio frequency configuration data, a confirmation signal is sent to the switching equipment, the deep sleep state is automatically switched to, and low-power-consumption monitoring is kept. On the basis of keeping certain power to monitor the configuration request, low-power-consumption standby is realized, so that energy waste is reduced, and the use cost of equipment is reduced.