1764 results about "Device Identifiers" patented technology

The invention is suitable for the technical field of data analysis, and provides a transformer substation fault handling method combining causal reasoning knowledge graph modeling, comprising: acquiring multi-source heterogeneous data and performing data cleaning processing to obtain a space-time alignment data set, the space-time alignment data set comprising one or more quaternary data sets, the quaternary data set comprises a device identifier, a timestamp, a feature vector and an event tag; causal modeling processing is carried out on the time-space alignment data set to obtain a causal graph, and the causal graph comprises node information of nodes and relation information between the nodes; constructing a space-time diagram neural network model according to the causal diagram and the equipment connection relation diagram, wherein the space-time diagram neural network model realizes dynamic evolution of the graph based on an incremental updating strategy; and outputting fault root cause positioning information according to the time-space diagram neural network model.

The invention relates to the technical field of network security, and discloses a network information security encryption method, which comprises the following steps: step 1, a sender generates a pair of post-quantum asymmetric keys including a public key and a private key, the public key is used for encrypting a symmetric key, and the private key is used for decrypting the encrypted symmetric key; the sender sends the public key to the receiver through the secure channel, and verifies the authenticity of the public key of the receiver; and step 2, the sender generates a dynamic symmetric key based on a device identifier and a current timestamp, and the device identifier is used for uniquely identifying the device generating the key. A unique and unpredictable dynamic symmetric key is generated by combining a device identifier and a timestamp, the security problem that a traditional static key is easy to crack and abuse in long-term use is solved, in addition, a dynamic update triggering mechanism based on a time interval and a data volume is supported, key management has high flexibility and security, and the security of the key management is improved. And the encryption requirements in different network environments are met.

The invention discloses a network space security risk intelligent identification method and system. The method comprises the following steps: deploying traffic collection equipment at key network nodes and boundary equipment, and collecting network traffic data and log data; extracting network behavior features and log key fields, and constructing a data feature model; performing vectorization processing based on the data feature model, performing traffic classification by using a deep neural network, and identifying a device type and a device identifier; carrying out noise reduction, redundant information removal and standardization processing on flow data in the data feature model to generate standardized data and storing the standardized data in a vector database; entity extraction is carried out on the standardized data, a knowledge graph is constructed, data distribution is analyzed through a Gaussian mixture model, the probability of abnormal behaviors is calculated in combination with historical data, and attack risks are calculated based on Bayesian decision; and generating an alarm according to the calculated attack risk, tracing the historical record of the attack risk in the knowledge graph, sending a blocking instruction, and identifying the security risk of the cyberspace.

The invention relates to the technical field of intelligent home control, and discloses a control method and a control system of an intelligent sound box. The control method of the intelligent sound box is applied to a control device, and specifically comprises the following steps: S101, collecting a voice instruction of a user, carrying out noise reduction processing and voiceprint feature extraction on the voice instruction, transmitting the processed voice instruction to a semantic analysis engine, carrying out intention recognition on voice content based on a deep learning model, and sending the intention recognition result to a semantic analysis engine; generating a structured operation instruction set; and S102, according to the device identifier contained in the structured operation instruction set. Through dual authentication of voiceprint feature extraction and dynamic verification phrase, the illegal access false recognition rate is reduced to below 0.12%, the voiceprint database is combined with the Mel frequency cepstrum coefficient and the dynamic time warping algorithm, accurate matching of user identities is achieved, the dynamically generated verification phrase comprises random initial and final combinations, and recording playback attacks are effectively resisted.

Various embodiments comprise a wireless communication network to qualify user devices for network policy association. In some examples, the wireless communication network comprises a network data system. The network data system receives an equipment identity check request transferred by a control plane that comprises an International Mobile Equipment Identifier (IMEI) for a User Equipment (UE). The network data system reads the IMEI to determine a Type Allocation Code (TAC) for the UE. The network data system compares the TAC for the UE to an IMEI TAC database indicating when Policy Control Function (PCF) registration is available for the UE and determines when the PCF registration is when is available for the UE. The network data system transfers an equipment identity check response that indicates when the PCF registration is available for the UE to the control plane.

The invention relates to the technical field of transaction verification, in particular to an electronic commerce transaction verification system based on a block chain, and the system comprises a transaction identity verification module, a fund flow monitoring module, an order payment state confirmation module, an abnormal transaction comparison module and a risk control strategy adjustment module. According to the invention, identity verification is carried out by using the hash calculation of the timestamp, the device identifier and the user public key and the block chain technology, so that the authorization and override accuracy of the transaction request is ensured, dynamic monitoring and trend analysis are carried out on the fund flow direction, including the measurement of the fund flow path and the evaluation of the fund transfer change rate, and the fund transfer accuracy is improved. The method effectively monitors the stable flow condition of funds, improves the recognition capability of transaction abnormity through integrating multi-source data analysis, enhances the real-time performance and accuracy of risk management, improves the safety and transparency of transaction, enhances the rapid response capability of abnormal behaviors, and improves the safety and reliability of the transaction. And higher-level trust and security assurance are brought to the user and the platform.

An apparatus and system for privacy protection for Ambient Internet-of-Things (A-IoT) devices are disclosed. A-IoT devices transmit obfuscated identifiers (OIDs) instead of actual identifiers, which are de-obfuscated by the network to retrieve the original identifiers. The device identifiers are obfuscated using shared secret parameters and periodically updated configurations. Hash-based lightweight privacy mechanisms, temporary identifiers (TempIDs), and pseudonym generation may be used to ensure secure communication and prevent replay attacks.

The invention belongs to the technical field of communication, and particularly relates to an NFC (Near Field Communication) encrypted IMS (IP Multimedia Subsystem) server security data exchange method, which comprises the following steps of: in response to a near field communication connection event, acquiring an original service data message of service equipment to be opened and physical environment data monitored when the event occurs, forming a seed data set, executing Hash operation to generate an initial data fingerprint, and sending the initial data fingerprint to a server; and generating a symmetric session key through a key derivation algorithm by combining a device identifier in the original service data message, so as to encrypt the original service data message, packaging an encrypted data packet and the initial data fingerprint into a transmission data packet, sending the transmission data packet to an IMS server, reconstructing the session key by the server based on expected service parameters stored locally, and sending the session key to the IMS server. According to the method, decryption verification of the encrypted data packet is carried out, and service opening is executed after the verification is passed, so that deep binding of an encryption process and data integrity verification is realized, and the security of data exchange and the system processing efficiency are improved.

The invention belongs to the technical field of information interaction, and relates to a device information interaction method, a slave device gateway and a master device. An active frame transmission mechanism is realized through the slave device gateway, so that the slave device actively reports information to the master device when the state changes or the trigger condition is met, and the master device can analyze and issue a configuration instruction in real time to complete dynamic management of the slave device. The method supports centralized monitoring and configuration of slave devices in the parallel operation energy storage system, ensures the consistency of device identifiers, addresses, groups and states, realizes real-time, accurate and extensible management, does not interfere with the original Modbus master-slave communication process, and effectively solves the problems of poor expansibility, state update lagging, communication conflict risk and the like in the traditional one-master one-slave mode.

The invention discloses a power and environment data monitoring method based on NB-IOT communication, and belongs to the technical field of Internet of Things equipment monitoring. The method comprises the following steps: deploying and integrating multiple types of sensors and an NB-IOT module at a monitoring terminal; establishing a connection between the terminal and the management system through NB-IOT, and distributing a unique device identifier and a platform access address; the terminal receives the SFN signal of the base station, converts the SFN signal into a UTC timestamp, collects moving ring data, adds the timestamp and transmits the moving ring data to the platform; the platform aligns the multi-source data with a timestamp, and establishes space-time association in combination with equipment space coordinates; and monitoring the equipment state based on the spatio-temporal data sequence, triggering an offline / online alarm event through a double-threshold strategy, and pushing the event to a management terminal. According to the method, the problems of multi-source data space-time misalignment and high equipment state misjudgment rate in existing dynamic environment monitoring are solved, and the fault positioning precision and the operation and maintenance response efficiency are remarkably improved by adopting a base station time service synchronization and space-time fusion analysis technology.

Various aspects of the present disclosure relate to methods and apparatuses for ambient internet of things (A-IOT) device identifier (ID) reporting. According to an embodiment of the present disclosure, a network equipment (NE) can include: at least one memory; and at least one processor coupled with the at least one memory and configured to cause the NE to: receive, from a core network (CN) entity, information associated with A-IOT device ID reporting for an inventory task; and transmit at least one A-IOT device ID to the CN entity based on the information associated with A-IOT device ID reporting.

The invention discloses a time sequence database architecture, a data writing method and electronic equipment, and the time sequence database architecture comprises a distributed storage module which enables data of the same equipment to be continuously distributed in a physical storage layer based on an equipment dimension fragmentation strategy; the independent index layer is decoupled from the data storage module and maintains a mapping relationship between the equipment identifier and the corresponding physical fragment through a metadata structure; the migration module is used for performing rolling updating on the hot data layer; and the query engine module is used for positioning the target physical fragment according to the equipment identifier and executing predicate push-down calculation on the compressed data. The data writing method comprises the following steps: receiving a data writing request, and analyzing a device identifier in the request; positioning a target physical fragment according to the equipment identifier in cooperation with a Hash algorithm; and adding the data to the column type storage file in the corresponding physical fragment according to a timestamp sequence, and synchronously updating the metadata mapping relationship of the independent index layer. According to the method, the data query performance and query efficiency can be improved, and the data storage cost is reduced.

A method and apparatus for generating an electrical topological relationship diagram of a power system, and a storage medium. The method comprises: identifying at least one information identification diagram corresponding to each confluence device to obtain electrical topological position information and device information of a power device connected to each confluence device, the information identification diagram comprising at least one cell, and the at least one cell being provided with a device identifier of the power device and electrical topological position information for representing the corresponding power device; and, on the basis of the electrical topological position information and device information of the power device connected to each confluence device, generating an electrical topological relationship diagram of the power system.

The invention relates to an embedded safety management method based on digital RMB industrial control equipment, and belongs to the technical field of industrial control system safety. The method comprises the following steps: during first deployment, carrying out information binding on an asymmetric key pair of the industrial control equipment and an equipment identity identifier to generate an equipment digital certificate; the digital signature is verified step by step from a private key of the asymmetric key pair during power-on starting through a safe starting process; when communication is established, performing digital signature on a communication key by calling a signature function of the hardware security module based on a challenge-response mechanism; when a digital RMB transaction is carried out, the trusted execution environment and the digital RMB hardware wallet module carry out secure interaction, and a transaction instruction is analyzed; during the operation period of the equipment, key data streams are continuously collected and analyzed by deploying an exception monitoring module. Reading, querying and related business transactions of the digital RMB on the industrial control equipment are achieved, and it is ensured that the identity is not forged and the instruction is not tampered.

The invention provides a PCIe device function failure positioning method and system and a server, and relates to the technical field of computer hardware resource management. The method comprises the following steps: a firmware layer constructs a mapping relation between a physical location identifier and a logic device identifier based on a hardware connection topology, and pre-stores the mapping relation to a substrate management controller; in an equipment initialization stage, logic equipment identification information of current equipment is transmitted to a substrate management controller in real time; the baseboard management controller inquires the mapping relation according to the received logic device identifier, and determines a corresponding physical position identifier; and outputting the physical position information corresponding to the logic equipment identifier which is finally processed through a preset interface of the substrate management controller so as to indicate the physical position of the failed equipment. According to the method, the dynamic association of the physical position and the logic information is realized in an equipment initialization stage, and the problem of a physical position blind area caused by no response of equipment is solved.

A computing system retrieves a value of a device identifier of itself and generates a device claim asserting the value of the device identifier. The device claim is then associated with an identifier of a user of the computing system. The computing system then generates and attach proof code to the device claim to turn the device claim into a verifiable device credential (VDC). The proof code proves that the VDC is issued by the user of the computing system. The VDC is later presented to a relying entity as part of an identity protection system to further protect the user's identity.

The invention discloses an intelligent construction site hardware equipment data collection operation and maintenance method, system, equipment and medium, and relates to the technical field of edge computing, Internet of Things communication and computing resource load balancing, and the method comprises the steps: collecting multi-type intelligent hardware equipment data in an engineering site, constructing an edge gateway structure, carrying out the classification arrangement of a soft gateway and a hard gateway, and carrying out the operation and maintenance of the equipment. Establishing a mapping relationship between the device identifier and the gateway node; a plug-in type protocol analysis service is deployed, a corresponding plug-in is matched according to protocol features of the access data, and standardized mapping processing of an original field is carried out according to a physical model preset field template; dividing multiple types of intelligent hardware equipment in an engineering field into a buffer area according to states, and triggering a packaging and uploading process according to the number of data and a time threshold value; according to the intelligent construction site hardware equipment data acquisition operation and maintenance method provided by the invention, a scheme of flexible access and unified management of multiple types of equipment is realized by constructing a software-hardware combined edge gateway structure.

The invention relates to the technical field of block chain and smart home data management, discloses a smart home data contribution quantification and excitation method and system based on a block chain identifier, and aims to solve the data source problem of vertical large model training in the smart home industry and guarantee data security and personal privacy. The method comprises the steps of equipment identifier registration and binding, home local data processing and desensitization, data contribution degree quantitative evaluation, intelligent contract incentive execution and standardized data delivery and evidence storage. The system comprises a block chain identifier management module, a home edge data center, a data contribution quantitative evaluation module, an intelligent contract incentive engine and a large model training data delivery interface. According to the technical scheme, accurate tracing of data sources and clear definition of contribution subjects can be achieved, the family computing power is activated, the risk of data privacy disclosure is reduced, high-quality and scenarized credible data sources are provided, and marketization circulation and value conversion of smart home data elements are promoted.

Systems and methods are provided for customized grouping of end user devices using a new group identifier tag (GIT) in addition to role-based access (e.g., administrator or guest) and device identifier access (e.g., IP or MAC address). Two components may be implemented at a network access device, including a data plane component and a control plane component. For example, the control plane component may authenticate an end user device, store the MAC and IP addresses for authenticated end user devices, and define access roles for the end user device in the datapath. The data plane component may perform packet processing (e.g., forwarding and policy enforcement) pursuant to previously-defined rules. Whenever a packet arrives at the Network Access Device, the packet is forwarded according to the rules specified by the “role” and GIT present in the entry, allowing for improved processing and scalability of network traffic processing.

An electronic device identifier mapping and resolution system are disclosed which may be used to analyze various device identifiers associated with an online event initiated by a particular device in applying a matching algorithm to determine a unique device identifier and / or device profile for the device. Device identifiers provided from disparate sources (such as web browser cookies, network IP addresses, device-specific identifiers, application-specific identifiers, custom identifiers, probabilistic identifiers, etc.), including both deterministic and / or probabilistic identifiers, may be analyzed according to the matching algorithm to determine a device identifier associated with the device. Matching algorithms may be customized and configured to a high degree of complexity for respective entities, such as to analyze disparate device identifiers according to a variety of identifier comparison functions and matching tiers. Matching algorithms may include conditional requirements that streamline execution of such algorithms, e.g., which may reduce processor load and increase execution time, such as conditional requirements that bypass portions of the matching algorithm based on particular identifiers associated with the online event that are initially analyzed.

Aspects of the subject disclosure may include, for example, including, in user equipment (UE) capability information, at least a portion of a device identifier of a UE, and causing the UE capability information to be transmitted in resource control messaging. Other embodiments are disclosed.

The disclosure relates to an apparatus comprising at least one processor and at least one memory including computer code for one or more programs, the at least one memory and the computer code configured, with the at least one processor, to cause the apparatus at least to: receive (500), from a model provider function, a user equipment identifier and a model identifier; generate (502) an access key to allow a user equipment identified by the user equipment identifier to access a model identified by the model identifier; store (504) the user equipment identifier and the model identifier along the access key to allow a user equipment identified by the user equipment identifier to access a model identified by the model identifier; and send (506), to the user equipment, the access key.

The invention relates to the technical field of information security protection of electric power acquisition terminal equipment, and discloses an information security protection method and system for the electric power acquisition terminal equipment. According to the method, the unique identifier is generated by collecting equipment hardware features, and counterfeiting and tampering are prevented. The feature complexity is improved through high-dimensional transformation, and the anti-thrust capability is enhanced. The dynamic perturbation factor causes the device identifier to change over time, preventing replay attacks. The multi-factor key generation is combined with hardware features, environmental parameters and time sequence factors, so that the security of the key is improved, and cracking is avoided. The hierarchical challenge response mechanism enhances the security through multi-level authentication, and prevents an attacker from easily bypassing verification. High-dimensional abnormal behavior detection can dynamically identify potential security threats. A multi-stage key updating mechanism ensures that the equipment keeps encryption protection for a long time, and risks caused by key leakage are avoided. The whole system works cooperatively, and the safety of equipment authentication, data encryption and communication is effectively improved.

The invention discloses a data scheduling and control method based on mainboard memory straight-through, and relates to the technical field of computer hardware, the method comprises the following steps: pre-allocating a straight-through memory area for mounting equipment in a firmware initialization stage, establishing a mapping relation between equipment identification and a physical address of an exclusive memory segment, and through address translation and access control rules of a firmware layer, the device bypasses a system cache level and accesses the exclusive memory segment in a direct memory access mode. Constructing a firmware scheduling table based on the mapping relation to manage access requests of all devices, monitoring transmission delay in real time, and dynamically adjusting priority weight and bandwidth allocation in the scheduling table according to a monitoring result; and sequencing the requests according to the updated scheduling table to complete scheduling and control of the memory access behavior of the equipment. According to the method and the device, the delay bottleneck caused by multi-level copying and firmware scheduling lag in mainboard data forwarding is effectively solved.

A first wireless relay device receives, from a wireless device, a message, indicating an address of the wireless device for multihop relaying, wherein the wireless device connects to a second wireless relay device via the first wireless relay device and using the multihop relaying, and a device identifier of the wireless device. The first wireless relay device sends to the second wireless relay device and based on the receiving, one or more parameters comprising the address and the device identifier.

The embodiment of the invention discloses a fault processing method and device for smart home equipment, a storage medium and a smart home gateway, and relates to the field of household appliance control. The working state of the smart home equipment is detected in real time; when the working state of the smart home device is an abnormal state, obtaining a device identifier of the smart home device, and querying latest device field data in a block chain network according to the device identifier; verifying whether the queried equipment field data is tampered or not; and if not, sending the equipment field data to the smart home equipment, and indicating the smart home equipment to recover to a normal state according to the equipment field data. The data integrity and credibility are guaranteed by utilizing the block chain technology, an intelligent equipment recovery mechanism is realized, the reliability, convenience and safety of the intelligent home system are remarkably improved, and better intelligent home experience is provided for users.

Embodiments of the disclosure provide distributed authentication with network segmentation and dynamic authorization for networks. The system may include a device within a network of devices. An identifier is within the device and includes a cryptographic certificate. The device is configured to transmit the identifier to an authenticator as a security proof. The authenticator is configured to disable the device from performing at least one operation within the network before verifying an identity of the device via the identifier.

The invention provides an intelligent operation and maintenance processing method and system for a thermoelectric unit, and the method comprises the steps: obtaining a real-time operation data set of the thermoelectric unit, constructing an equipment association graph to display the operation association relation between equipment, calling a pre-trained graph neural network model to carry out the feature learning of the equipment association graph, and carrying out the feature learning of the equipment association graph; the method comprises the following steps: generating global association features reflecting interactive influence among equipment states, identifying an equipment abnormal state based on the global association features, generating an identification result containing an abnormal equipment identifier and type, generating an operation and maintenance optimization strategy according to the identification result, and feeding back the operation and maintenance optimization strategy to a thermoelectric unit operation and maintenance management system to trigger maintenance operation. Therefore, intelligence and automation of operation and maintenance management of the thermoelectric unit are realized, the operation and maintenance efficiency and accuracy are improved, and the operation and maintenance cost is reduced.

A method is disclosed and includes receiving, by a record server computer from a first processing network computer, a token, a device identifier associated with a user device, a session identifier associated with a registration request, and metadata about the token, and then receiving a metadata request from a second processing network computer in response to the second processing network computer receiving an authorization request message comprising the token, and the device identifier and / or the session identifier. The metadata request comprises at least the device identifier and / or the session identifier. The method also includes retrieving, by the record server computer, metadata associated with the metadata request, and providing the metadata to the second processing network computer. The second processing network computer processes the authorization request message using the token and the metadata.

The invention relates to an application user tracking detection method and device based on a dynamic and static combination technology, and the method comprises the steps: obtaining a first interprocess control flow diagram associated with a device identifier according to an application package of a target application and a configuration file containing a predefined device identifier; according to a program behavior of a target application in a running state, determining a function associated with an application programming interface of the equipment identifier and an application programming interface of network data transmission, and obtaining a second interprocess control flow diagram of data leakage according to the function; integrating the first interprocess control flow diagram and the second interprocess control flow diagram to obtain a third interprocess control flow diagram; and obtaining a leakage path of the target application to the user data according to the third interprocess control flow diagram. By adopting the method, the problems of narrow detection coverage and low detection accuracy in the aspect of tracking the user by using the device identifier through the APP can be solved.