18results about How to "Enhanced authentication" patented technology

The invention discloses a molecular property prediction large language model construction method based on a knowledge graph. The method comprises a plurality of steps: firstly, acquiring pre-training corpora by using a high-throughput data acquisition technology, including related data such as molecular attributes and metabolic pathways; then, a knowledge graph about fourteen end points is constructed based on the data, and the knowledge graph represents the relation between the molecules and the attributes and the end points of the molecules in a triple form; thirdly, pre-training the large language model by using a LoRA technology, optimizing the model by adopting an incremental learning strategy, and forming an expert large model; then, a triple related to the target endpoint is retrieved from the knowledge graph through the RAG technology, and retrieval results are sorted; and filtering the retrieved triple through cue word design and an expert large model, and extracting key information. And finally, converting the filtered triple list into a natural language, inputting the natural language into an expert large model, generating a prediction result of molecular properties, and providing a reasoning basis. According to the method, the accuracy and efficiency of molecule and endpoint chemical reaction prediction are remarkably improved.

The invention discloses an encryption circuit, an encryption method and a server, and the encryption circuit generates a dynamic encryption key through introducing a physical unclonable function, carries out the secondary encryption of initial encryption data through the key, can effectively improve the identity authentication and access control safety of a to-be-accessed module in the server, and improves the safety of the to-be-accessed module. Different from a traditional static password or secret key authentication mode, the dynamic encryption secret key generated based on the physical unclonable function is unpredictable, unique and difficult to clone, and the secret key does not need to provide a storage space for storage, so that even if a malicious device forges an identity or steals the secret key, the secret key can be stored in the storage space. Effective authentication information cannot be obtained through brute force cracking or phishing attack; besides, the verification process is further enhanced by a mechanism of comparing secondary encryption with reference encrypted data, and only a legal user can access the system, so that access of untrusted equipment is effectively prevented, and the security of the server and the integrity of the system are protected.

The invention discloses a heterogeneous computing architecture testing method of an ISP module, and belongs to the technical field of heterogeneous computing. According to the technical scheme, a high-level synthesis tool is used for generating and verifying an IP to be tested; a target algorithm IP application system is constructed by using a microprocessor IP hardcore and an AXI bus connector of a heterogeneous computing platform, a target algorithm IP core is operated by using software to carry out an application test, and actually measured data is stored in a nonvolatile storage medium; transplanting an operation system and an OpenCV library to the heterogeneous computing platform for the development board, and storing a target algorithm software operation result to a data file after a test program is operated; and evaluating the function correctness and the performance index of the target algorithm IP by using the actually measured data and the software operation result. The method has the advantages that effective testing and optimization of the heterogeneous computing architecture of the ISP module are achieved through the software and hardware co-simulation and IP core verification technology, middle-level optimization, a comprehensive testing framework and other methods, and powerful support is provided for technology development, application and popularization in related fields.

The invention discloses a camera serial interface controller test system based on ZYNQ and HAPS and a method thereof. The system comprises a ZYNQ FPGA device serving as a master device and an HAPS FPGA device serving as a slave device. Wherein the interior of the ZYNQ FPGA device comprises a D-PHY module and a C-IL module, and the interior of the HAPS FPGA device comprises a CS I controller and a DDR memory; the ZYNQ FPGA device is connected with a camera, the camera transmits image data to the ZYNQ FPGA device through an MIPI interface, and the ZYNQ FPGA device converts the image data into a PPI interface signal and transmits the PPI interface signal to a CS I controller in the HAPS FPGA device; and the CS I controller processes the PPI interface signal, extracts image data from the PPI interface signal and stores the image data in the DDR memory. Through combined use of the ZYNQ FPGA device and the HAPS FPGA device, the MIPI analog signal output by the camera can be received, converted and processed, and then the performance and reliability of the CS I controller are verified.

The invention discloses a weapon platform-oriented electronic system digital model rapid construction method, and belongs to the technical field of digital model construction. In order to solve the problems of high repeated development cost, long system development period and poor adaptive capacity to complex environments, developers can directly call standardized modules for configuration and integration by constructing a modular component library, development work starting from zero is avoided, the flexibility, adaptability and development efficiency of the system are improved, and the development efficiency of the system is improved. An integrated modeling framework is adopted to automatically generate models and configure modules, proper modules are automatically selected and combined based on demand parameters, it is ensured that the system design can flexibly cope with different technical demands and environment changes, comprehensive testing and verification of the system are achieved by configuring various simulation environments and working scenes, and the system design efficiency is improved. Design defects and performance bottlenecks can be identified in a short time, rapid adjustment and optimization are carried out based on results, and it is ensured that the system can stably operate in various complex environments.

The present invention discloses a vehicle-mounted safety diagnosis method and system based on authority control, including a DoIP diagnosis server and a DoIP diagnosis client. The DoIP diagnosis server and the DoIP diagnosis client perform two-way authentication; at the same time, an authority signature file is defined to control the diagnostic behavior of the authenticated DoIP diagnosis client and the DoIP diagnosis server; after passing the two-way authentication, a session key exchange is performed; encrypted diagnosis is performed through the exchanged session key, and the diagnostic operation in the process is controlled by the diagnosis authority file. The present invention solves the problem of illegal DoIP client access through two-way authentication. All diagnostic operations are encrypted authentication operations to prevent data from being maliciously tampered with; the authority signature file ensures that the diagnostic client is authorized by the OEM manufacturer, and the vehicle will not accept unauthorized diagnostic client connections and will not process unauthorized diagnostic behaviors.

The invention discloses a navigation playback method, device and equipment based on an extensible service oriented middleware protocol and a storage medium, relates to the technical field of automobile testing, and discloses the navigation playback method based on the extensible service oriented middleware protocol. Obtaining standard navigation data according to the standard working condition route; building a vehicle machine environment to obtain a target vehicle machine; simulating a remote communication terminal, and importing the standard navigation data into a target vehicle machine according to an extensible service oriented middleware protocol and the remote communication terminal to obtain a target route; and performing navigation playback according to the target route and the standard navigation data. Through the technical means of simulating real vehicle navigation data for data playback, the technical problems of large vehicle resource and personnel resource consumption and short test period in real vehicle dynamic test are solved, and the technical effects of reducing test cost, improving test efficiency and covering full-road-condition full-period test requirements are achieved.

The invention relates to an Istio-based zero-trust cloud native network method. The method comprises the following steps: generating specific digital certificates subjected to signature authentication for entities in a cloud native environment; the cluster node closes all gateway flows by default and configures related access strategies; an Istio service component is used for acting on each Service Workload of the cloud native network; the workloads in the cloud native network are in bidirectional mTLS encryption communication with one another; an access strategy based on Istio is created, and an authorization strategy and other security configurations are distributed to a side vehicle assembly of the Workload through Pilot of the control center; a zero-trust cloud native network is established according to bidirectional mTLS encryption communication based on a specific digital certificate and a given Istio network strategy. According to the Istio-based zero-trust cloud native network method provided by the invention, the security and robustness of the cloud native network can be effectively improved.

The present invention discloses a method for processing wireless signals in UWB positioning, which adopts modular software radio design, selects functional modules and parameters and system modes through a post-processor, and communicates with an IF circuit and then with a radio frequency (RF) circuit through an IF digital interface, thereby forming a complete signal transceiver system. The signal transceiver system adopts an implementation architecture with variable systems and variable parameters within the system. The variable systems include variable OFDM and SC‑FDE, and variable parameters within the system, namely variable subcarrier parameters, variable channel fading countermeasure processing, and variable modulation FEC error correction. The present invention solves the problem of inaccurate or poor regional positioning in the prior art.

The application provides a frame buffer compression verification circuit and a verification device. The frame buffer compression verification circuit is used for function verification of a compression module and a decompression module. The compression verification circuit is used for generating a compression address and a first enable signal of a to-be-processed image frame, and configuring the compression module based on the compression address and the first enable signal before the to-be-processed image frame is input into the compression module. The decompression verification circuit is used for generating a decompression address and a second enable signal of a compressed image frame processed by the compression module, and configuring the decompression module based on the decompression address and the second enable signal before the compressed image frame is input into the decompression module. The application can verify the compression and decompression modules before a software system is built, can find possible problems early, can accelerate the verification of the modules, can save time cost and labor cost, and can improve the development and verification speed of a chip.

The invention discloses a vehicle-mounted safety diagnosis method and system based on authority control. The system comprises a DoIP diagnosis server side and a DoIP diagnosis client side, and the DoIP diagnosis server side and the DoIP diagnosis client side carry out bidirectional authentication; meanwhile, a permission signature file is defined to manage and control diagnosis behaviors of the DoIP diagnosis client and the DoIP diagnosis server which pass authentication; after the bidirectional authentication is passed, session secret key exchange is carried out; encryption diagnosis is carried out through the exchanged session key, and the diagnosis operation in the process is controlled by the diagnosis permission file. According to the invention, through a bidirectional authentication mode, the problem that all diagnosis operations are encryption authentication operations when an illegal DoIP client is accessed is solved, and the behavior that data are maliciously tampered is prevented; through the permission signature file, it is ensured that the diagnosis client is authorized by the OEM manufacturer, the vehicle cannot accept the connection of the unauthorized diagnosis client, and the unauthorized diagnosis behavior cannot be processed.

The application discloses a wind resource assessment method, device, equipment, medium and product, and belongs to the technical field of wind power generation. Before wind resource assessment modeling is performed, the wind condition parameters of the location of the wind measurement tower are estimated according to different parameter value combinations, combined with the characteristics of the power field, the wind condition parameter estimation results corresponding to the different parameter value combinations are obtained, the optimal parameter value combination matched with the wind field is determined according to the estimation results and the true results, and then the wind resource assessment is performed according to the optimal parameter value combination, that is, the parameter verification and screening steps are added before the wind resource assessment is performed, the parameters required for the wind resource assessment can be optimized through the steps, and then the assessment accuracy of the wind resource can be improved.

The present invention discloses a commercial vehicle assisted driving hardware-in-the-loop test system, which relates to the field of vehicle assisted driving test technology, and includes: a host computer module, which is used to build models, compile and download, monitor model operations, and read variables in the controller at the same time, run automated test commands and perform real-time monitoring; a real-time processor, which is used to receive vehicle dynamics information from the host computer and scene information in a graphics workstation, and send signals to the controller; a graphics workstation; a driving simulator; a controller to be tested; a vehicle positioning and high-precision map module; and a vision and radar simulation module. The present invention also provides a commercial vehicle assisted driving hardware-in-the-loop test method, which improves the reliability and accuracy of the environmental perception system, improves the test efficiency, and ensures the safety of the experiment.

The present invention relates to the technical field of model services, and specifically discloses a model reasoning consistency verification method, comprising: deploying a model management service and a model publishing service; importing a model in a model center and selecting appropriate parameter configuration to build an initial model; configuring training environment information for the initial model, and triggering the initial model to perform a prediction task in the training environment according to a basic data set, obtaining a training task execution result, and judging whether the initial model runs normally in the training environment, and if so, retaining the training environment; calling a batch service operator and an online service operator to the initial model of the reasoning environment at the same time and inputting the same test data to obtain a comparison output result; based on the comparison output result and the model publishing service, publishing it into a batch service or an online service according to an application scenario; the prediction task can be automatically triggered by the model management service, saving time and labor costs in the process of model consistency verification.

The invention provides a customized sliding block verification access control method and system. The method comprises the following steps: acquiring current verification behavior information and historical verification behavior information of a user; calculating a trust index of the current verification behavior according to the current verification behavior information and the historical verification success information; the verification behavior passing probability of the user under the high trust index is calculated; when the verification behavior passing probability is smaller than a probability threshold value, popping up a pop-up window for starting customized sliding block verification to inquire whether a user starts a customized sliding block verification mode or not; if the user starts the customized sliding block verification mode, calculating an input speed index of the user; and selecting different verification modes for sliding verification in the next verification according to the input speed index. Different verification modes are selected according to different input speed indexes, so that sliding block verification better meets the requirements of a user, the verification passing time can be shortened, the verification passing probability can be improved, and the problem that verification is difficult to pass in the sliding block verification process is solved.

The application discloses a multi-sensor data space-time consistent simulation method for low-altitude unmanned aerial vehicle monitoring, belongs to the technical field of sensor imaging simulation, and particularly relates to the technical field of space-time consistent multi-sensor imaging synchronous simulation for low-altitude unmanned aerial vehicle monitoring. The method solves the problems of the existing multi-sensor simulation process isolation, data synchronization and low data authenticity, and comprises the following steps: a visible light sensor model, an infrared sensor model and a radar electromagnetic radiation model perform synchronous simulation on a unified simulation object based on the same space-time reference. The multi-sensor data space-time consistent simulation method for low-altitude unmanned aerial vehicle monitoring is suitable for the low-altitude economic field, such as environmental monitoring, emergency rescue, infrastructure inspection, natural resource supervision and low-altitude safety supervision, which needs multi-modal perception and intelligent analysis.

The invention provides an integrated circuit automatic layout planning generation method and device and a construction example method, which are applied to the technical field of integrated circuit design automation and chip layout planning, and are characterized in that top layer pins are created in a specified area, a same-name netlist is generated, and meanwhile, creation parameters of the pins such as name prefixes, the number and distribution areas are set; according to the method, the design accuracy and traceability are ensured, then, the netlist units are automatically constructed and the netlist connection is created based on the defined hierarchical structure and the data flow, so that human errors are effectively reduced, accurate connection between circuit elements is ensured, the design consistency and reliability are improved, required examples can be efficiently constructed, and the design efficiency is improved. According to the method, the complex test function scene is met, the test and verification process is accelerated, the performance of different layout configurations is rapidly evaluated, the optimal layout scheme can be found, and therefore the design performance and efficiency are improved.

The present invention relates to the field of data sharing technology, and in particular to a financial data sharing security authentication method and system, comprising the following steps: storing the financial data of several enterprises in a shared data pool, and encrypting the shared data; encrypting the data in the shared data pool by a symmetric encryption algorithm; when user A needs to access resources in the shared data pool, he must register his identifier ID and corresponding password PW with server S; when user A needs to access resources of server S, the user needs to insert a USB Token into his terminal and enter the corresponding password PW, and then perform the authentication process; after successful authentication, log in to the shared data pool to view the shared data. In the present invention, users need to authenticate their identities through USB Token and password to access the shared data pool. This dual authentication mechanism enhances the user's identity authentication and authorization, and reduces the risk of unauthorized access and the risk of illegal access and data leakage.