76 results about "Trust relationship" patented technology

The invention discloses a transnational trust modeling method fusing quantum state mapping and language phase difference, comprising the following steps: 1) estimating the site of each country based on the voting data of the united countries, and calculating the trust weight between countries through a weighting function in combination with the political ideal point distance and voting consistency of each country to obtain the initial quantized value of transnational trust; 2) mapping the initial trust value to a quantum state on a Bloch ball, applying phase perturbation according to semantic difference reported by a core country media, and simulating trust interaction between countries under discourse difference in combination with a quantum game mechanism so as to obtain a trust value mapped back to a classical space; and 3) carrying out iterative updating on the trust value by adopting a social influence model, dynamically describing an evolution process of the trust relationship between the countries, and outputting a time sequence change result of the trust network between the countries. According to the method, by fusing the international voting behavior and the transnational utterance difference, dynamic and quantifiable modeling of the inter-country trust relationship is realized, and an innovative methodological support is provided for international relationship research, transnational strategic game analysis and global risk early warning.

The invention provides a hybrid encryption method and device and a storage medium, and the method comprises the steps: a client generates a short-term SM2 key pair and exchanges with a server after obtaining a long-term SM2 key pair and a server public key, dynamically generates a session SM4 symmetric key through an SM2 key exchange protocol, and finally achieves the data transmission and response processing through the session SM4 symmetric key. Through the implementation of the scheme of the invention, the client not only establishes the basic trust relationship based on the long-term SM2 key pair, but also generates the short-term SM2 key pair during each service request, and dynamically derives a unique session SM4 symmetric key and an initial vector by cooperatively executing the SM2 key exchange protocol with the short-term key of the server. And each request has an independent security context, so that the decryption risk after the session key is reused or stolen is fundamentally prevented, and the end-to-end dynamic security communication under the national secret system is really realized.

The invention relates to an exoskeleton safety redundancy strategy and switching method based on anomaly detection, and the method comprises the steps: collecting a tension state between the active control intention of a user and the response execution of an exoskeleton system, defining as a potential anomaly when continuous asynchronous tension exists between the expected control direction of the user and the inertial behavior of the system; a redundancy strategy triggering precondition is adopted; after abnormal triggering, the system outputs a control suggestion, and whether the control right should be taken over by a redundancy strategy or not is judged by combining user reverse force application and posture deviation trend behavior performance, and master control continues to be maintained or a forced freezing state is entered; the intervention level of a redundancy control strategy is dynamically adjusted, and continuous control evolution from low intrusion to high takeover is achieved; if it is detected that an irreconcilable confrontation trend exists between continuous reverse intention input of the user and control output of the system in the control evolution process, and intervention ratio unbalance of the system is continuously expanded, the system enters a soft freezing or conservative attitude mode; and in the freezing state, judging whether the man-machine trust relationship is reconstructed or not.

The invention discloses a computing power network dynamic trust evaluation and access control method based on a GRU-BiLSTM fusion model, and the method comprises the steps: capturing the behavior dependence characteristics of a user and a node in a short period through a GRU, and employing the BiLSTM to model a bidirectional time sequence evolution rule of a trust relation, thereby achieving the classification prediction of the credibility level of the user and the regression estimation of the credibility degree of the node, and achieving the access control of the network. On the basis, a four-level access strategy is designed in combination with a system real-time load and a trust volatility, adaptive optimization of access control is realized by dynamically adjusting an access threshold, joint prediction of a bidirectional trust relationship between a user and a node is realized, and a more accurate behavior basis is provided for an access decision; and secondly, a trust volatility index is introduced, and a dynamic closed-loop mechanism of trust evaluation-policy execution-volatility updating is constructed, so that the access control policy can be adaptive to evolution of trust situation, and intelligent and refined authority management is realized.

The invention discloses a multi-dimensional dynamic trust evaluation method and system for a new energy power terminal, and the method comprises the steps: extracting the universal features of the terminal based on terminal log interaction data, extracting special knowledge evidence according to an equipment level perception layer and a network layer, and converting all features into 0-1 standardized values; when a terminal accesses for the first time, the static attribute of the terminal is complementarily collected, so that an initial trust baseline is established and an initial trust value is given; firstly, an IoT device interaction diagram is constructed, nodes are terminal devices, attributes are knowledge evidence vectors, edges are device direct interaction relations, and weights of the edges are defined by historical interaction quality; fusing the equipment knowledge evidence and the interaction relationship through a node2vec algorithm to generate a low-dimensional embedded vector; and finally, calculating the cosine similarity of the device vectors, multiplying the cosine similarity by the interaction frequency proportion to obtain the direct trust degree of the 0-1 interval, and quantifying the direct trust relationship between the devices. Performing trust evaluation on the message flow dimension; and historical interaction behavior trust evaluation and timeliness optimization.

This invention belongs to the field of data processing and group decision-making technology, specifically relating to a social network group decision-making method, method, and apparatus for selecting government services. The method involves acquiring initial preference information of multiple users for multiple government service options, initial trust relationships between users, and attribute information of the government service options; reconstructing a complete global trust matrix through a dynamic trust decay mechanism; dynamically identifying user behavior states into four multi-granularity states; adjusting the aggregation weights of user preferences; obtaining consensus preference values ​​for each government service option; and generating a recommendation ranking or selection result for the government service options.

The invention provides an authentication method and an authentication system for simultaneous interconnection of a plurality of peripherals, and the authentication method comprises the steps: setting a background server as a unique trust source of the peripherals, and carrying out the identity registration of the peripherals through the background server; the association demand peripheral sends a function connection instruction through the background server; in response to the function connection instruction, the background server generates verification information and sends the verification information to all peripherals participating in interconnection at the same time; any peripheral in all the peripherals is controlled to serve as a verification initiator to send verification information to other peripherals in all the peripherals; the verification receiver verifies the verification initiator according to the verification information; if the verification is passed, the verification initiator and the verification receiver establish interconnection; the technical problem that in the related technology, when multiple devices are authenticated, each device needs to store and verify certificates of all other participating devices, so that a complex network trust relationship occurs, and a background server is likely to be overloaded is solved.

The invention relates to an intelligent home control method and system, intelligent equipment and a medium, and belongs to the technical field of artificial intelligence, and the method comprises the steps: generating a unique identifier based on own hardware behavior characteristics, carrying out the cross verification of environment data of peripheral intelligent equipment which is accessed to the network, autonomously establishing a trust relationship, and building a dynamic network without a central node; collecting user behavior data, environment characteristics and equipment capability data; processing the user behavior data, the environment characteristics and the equipment capability data to obtain scene data fragments; autonomous evolution of scene data is realized through distributed collaborative learning, and intelligent control logic adaptive to a current scene is formed; and responding to an instruction sent by a user, cooperatively verifying the intention of the user with other intelligent equipment, and matching the corresponding scene data fragment to execute a control operation. The stability of the smart home is improved.

The embodiment of the application discloses a service permission token acquisition method and system, electronic equipment and a storage medium, and relates to the technical field of communication. The method comprises the following steps: receiving an authentication request sent by a terminal device, wherein the authentication request carries authentication information, and the authentication information comprises a token used for automatically logging into a web application platform from a unified login page, and the token carries an identifier obtained from cached data of a local application having a trusted relationship with the web application platform; after authentication, redirecting the page to an authorization page; in response to a user-triggered consent authorization instruction, acquiring a user authorization code, redirecting the page to a callback page provided by the web application platform, and returning the user authorization code to the callback page, so that the callback page acquires at least an access token for accessing a service request interface according to the user authorization code. The application can realize single-point cross-layer quick login between different application layers, and is suitable for an account login scene.

A communication method and apparatus for a relay, a terminal, and a network side device are provided. The communication method includes: receiving, by first user equipment (UE), relationship information delivered from a network side, where the relationship information is used to indicate a trust relationship of the first UE; receiving, by the first UE, identification information sent by second UE; and based on the relationship information and the identification information, performing, by the first UE, relay connection or relay communication with the second UE, or refusing, by the first UE, to perform relay connection or relay communication with the second UE.

The embodiment of the specification discloses a payment system based on an agent, a payment server issues a payment voucher for the agent as an electronic identity of the agent, and a user terminal always stores the payment voucher in a TEE without transmission to the outside, so that the reliability of the electronic identity can be ensured, so that the payment server and the agent can establish a trust relationship by means of the payment voucher when paying, and the security of payment can be ensured in a scenario in which the agent is used instead of manual payment initiation.

A computer-implemented method, computer system, and computer program product authenticate a device using remote mutual recognition. The method includes determining that a network device requires management, where the network device is deployed at a location. The method also includes identifying a trusted device, where the trusted device is within a range of the network device's location. The method also includes establishing a trust relationship between the trusted device and the network device. Finally, the method includes enabling management access to the network device based on the trust relationship.

The invention discloses a fragmentation node state detection method and system based on a dual-channel collaborative block chain, and relates to the technical field of block chains, and the method comprises the steps: constructing a node dimension feature vector based on the node behavior data of each fragmentation node for each fragmentation node, constructing fragment dimension feature vectors based on key index data of node behavior data of all fragment nodes in fragments to which the fragment nodes belong, respectively inputting the fragment dimension feature vectors into a deep learning model and a Gaussian mixture model, calculating a node anomaly score and a fragment anomaly score, and performing linear weighted fusion on the node anomaly score and the fragment anomaly score to obtain a fragment node anomaly score; and generating a comprehensive abnormal score, and judging the current state of the fragment node based on the comprehensive abnormal score. According to the method and the device, the technical problem of reduced robustness caused by the risk of node disguise and collusion attack which is easy to occur when nodes are distributed through a trust relationship or historical representation among the nodes in a block chain network fragmentation technology in related technologies is solved.

There is provided an apparatus comprising means for receiving, at an entity of a network, an indication of an identity associated with a virtuality used in an application function from a user device, where the user device is authenticated using the network and the application function has a trust relationship with the entity; determining a digital signature based on an identity associated with the virtual image; and providing a digital signature to at least one of the user device and the application function for verifying the avatar from the user device used in the application function.

A system for verifying components of an industrial monitoring system includes a first module which is configured to establish a trust relationship with a component of the industrial monitoring system and request a component certificate from the component. The component certificate contains relevant information relating to the component. A second module is configured to check, in interaction with the component, the component certificate on the basis of relevant data stored in a trusted database, and to generate a notification on the basis of the result of the checking process.

The present application provides a communication method and apparatus. A first UCA provides a service for a communication object of a first user, wherein the communication object of the first user includes a first communication object; a second UCA provides a service for a communication object of a second user, wherein the communication object of the second user includes a second communication object; the first UCA establishes a mutual trust relationship between the first communication object and the second communication object on the basis of a request of the first user or the second user; the first UCA receives a first information message from the first communication object, and sends the first information message to the second UCA on the basis of the mutual trust relationship; or the first UCA receives a second information message from the second UCA, and sends the second information message to the first communication object on the basis of the mutual trust relationship. In the design, the mutual trust relationship is established by a user, and the user can determine the communication objects between which the mutual trust relationship can be established, thereby implementing communication management and control of the communication objects by the user.

This application provides a data transmission method, electronic device, storage medium, and computer program product, relating to the field of communication technology. It enables the acquisition of an encryption key without Bluetooth pairing and the transmission of data with other trusted electronic devices based on that encryption key, simplifying the data transmission process between electronic devices. The method includes: acquiring an encryption key; scanning Bluetooth devices within a first range to obtain available devices, including a second electronic device storing the encryption key, the second electronic device being unpaired with a first electronic device, and the two devices having a trusted relationship; encrypting communication data based on the encryption key, the communication data being data transmitted between the first and second electronic devices via Bluetooth communication.

The invention relates to the technical field of network communication, and discloses a cross-domain trusted flexible Internet access service implementation method and system, and the method comprises the steps: transmitting an identity statement to a local network domain through an access device, so as to build a temporary trust relationship, and obtaining a temporary access credential; the problem of initial trust establishment in an unfamiliar network domain without a preset trust basis is solved. On this basis, the access device generates a structured description according to a task demand and an operation strategy, performs multi-round negotiation with a local network domain, and finally establishes a temporary service protocol within an acceptable range of both parties by identifying the difference between the service demand and the operation strategy and generating an alternative service proposal.

The invention provides a mobile crowdsourcing trust evaluation method and system, and relates to the technical field of mobile crowdsourcing. Comprising the following steps: constructing a hypergraph according to user nodes, working nodes and crowdsourcing tasks; constructing an initial trust evaluation model by using a heterogeneous graph neural network; constructing an optimization loss function by using a cross entropy loss function and a dual-information bottleneck loss function; performing parameter optimization on the initial trust evaluation model by utilizing an optimization loss function and a gradient descent method to obtain a final trust evaluation model; and performing trust prediction on the hypergraph by using the final trust evaluation model to obtain trust prediction values of the user and the working node corresponding to the specific crowdsourcing task. According to the method and the device, the problems that an existing trust relationship prediction scheme based on a graph neural network cannot fully consider environment information and a condition trust relationship under a specific task, so that the scheme cannot adapt to dynamics and diversity in a mobile crowdsourcing task, and the trust prediction accuracy is influenced are solved.

The present application relates to the technical field of asphalt pavement maintenance evaluation, and particularly relates to an asphalt pavement maintenance evaluation method based on a Bayesian sparse trust network, comprising: taking a Page Rank dynamic trust relationship as a framework, constructing a trust network among indexes through initial trust, secondary trust and a decay factor, and realizing dynamic evolution of evaluation weights; introducing a Bayesian inference theory, probabilistically modeling the decay factor, secondary trust and noise variance, and using an MH algorithm for posterior sampling to quantize uncertainty of evaluation results; applying a regularization sparse constraint to suppress interference of weakly correlated indexes and focus on core indexes such as rut depth and crack rate. The three are organically coordinated to form an integrated evaluation framework of "dynamic weight evolution-uncertainty quantization-core index focusing", and finally, aiming at the engineering characteristics of multiple indexes, strong coupling and uncertain information of asphalt pavement preventive maintenance evaluation, the maintenance evaluation highly matched with the actual technical condition is realized.

The invention discloses a privacy protection data transaction order matching method and system based on cardinal number privacy set intersection, and mainly solves the problems of privacy disclosure, weak trust relationship and low efficiency in data transaction order matching in the prior art. According to the implementation scheme, data transaction order matching parameters are initialized; the data seller generates either-or casual transmission parameters according to the attribute values in the to-be-sold data set; the data buyer obtains the casual transmission result through random query, and generates a shared value according to the casual transmission result; the data seller performs casual key value pair storage OKVS coding on the attribute value; and solving an intersection cardinal number between the preference set and the data attribute set through OKVS decoding, and comparing the intersection cardinal number with a threshold value to judge whether the transaction order is matched or not. According to the method, it is guaranteed that no information except the intersection cardinal number is leaked in the order matching process, one-to-many efficient privacy protection transaction order matching is achieved, potential data sellers are screened for data buyers, the order matching privacy, credibility and effectiveness in transaction are improved, and the method can be applied to digital finance and data transaction.

The present application relates to the field of malicious node detection in the Internet of Vehicles system, and particularly relates to a collusion vehicle detection method based on fuzzy evaluation density clustering in the Internet of Vehicles, which comprises the following steps: receiving information, and the real-time acquisition of the subjective recommendation trust, the objective data trust and the historical reputation value of the sending information vehicle; using the size relationship between the current trust relationship value and the trust relationship threshold value to update the reputation of the sending vehicle node in this information interaction; processing the updated reputation values of the three according to the fuzzy comprehensive evaluation, calculating the evaluation weight of the reputation values of the three by using the entropy weight method, screening the malicious vehicle of the sending information vehicle, and detecting the single malicious vehicle; specifying the detected single malicious vehicle as a clustering core point vehicle, performing clustering analysis on the positions of the sending information vehicles at different time points by using the density clustering analysis, and obtaining the collusion vehicle set. The present application can improve the detection recall rate while maintaining the accuracy of malicious vehicle detection, and maximize the recall of malicious vehicles.

Systems, devices and methods are provided for providing access to secure wireless networks to a user based on the user's physical location. In some embodiments, access to such a network is based on user location information, as determined by a control system. A secure network may be provided based on an inference that the user may be trusted to receive access to the network based on their location. Access to the network may be provided based on the user's physical location and an administrative user of the network providing authorization for the user to join the network, e.g., via a user interface. The user may be recognized at a later time, and provided with access again. The control system may provide access to the network to additional user(s) associated with said user, based on a physical interaction or other behavior indicating a trusted relationship with the additional user(s).

The embodiment of the present specification provides a service remote operation method and device, wherein a service remote operation method comprises: receiving an access request of a remote operation entrance sent by a first terminal of an access user; calling a second terminal of an associated user in a trusted relationship with the access user to perform identity verification on the associated user; after the verification passes, activating a remote operation permission of a target service of the associated user to the access user, and receiving a service operation instruction submitted by the access user based on the remote operation permission and sent by the first terminal; calling a third-party verification interface to verify the service operation instruction, and obtaining an instruction execution result of the service operation instruction to return to the second terminal.

This invention discloses a certificate-free cross-domain authentication method in the cloud, comprising deploying key distribution centers in both the CLC domain and the trusted domain and generating system parameters; the user and the cloud service provider (CSP) each applying for partial private keys and combining them with secret values ​​to generate public-key and private-key pairs; the user calculating authentication information and sending an encrypted request; the CSP verifying the user's legitimacy and returning an encrypted response upon successful verification; the user receiving the response message, verifying the synchronized valid sequence number and the CSP; upon successful verification, saving the legitimate provider information, receiving cloud service resources, and establishing a cross-domain trust relationship and session negotiation key. This invention constructs a certificate-free cross-domain authentication method that abandons the complex certificate chain management of traditional PKI; it adopts a signature and signcryption-based primitive, balancing data confidentiality, integrity, and low computational complexity; and through session key negotiation and a local legitimate user list caching mechanism, it avoids duplicate authentication and improves processing efficiency.

The application provides an authentication method and authentication system for simultaneous interconnection of multiple peripherals, the authentication method comprising: setting a background server as a unique trusted source of the peripherals, and registering the peripherals with the background server for identity; sending a function connection instruction by a peripheral requiring association through the background server; in response to the function connection instruction, the background server generates verification information and simultaneously sends the verification information to all the peripherals participating in the interconnection; controlling any peripheral among all the peripherals to send the verification information to other peripherals as a verification initiator; verifying the verification initiator by a verification receiver according to the verification information; and establishing interconnection between the verification initiator and the verification receiver if the verification is passed; the technical problem solved by the application is that in the related art, when multiple devices are authenticated, each device needs to store and verify the certificates of all other participating devices, which results in a complex network trust relationship and easily causes an overload of the background server.

The present application relates to the technical field of communications, and discloses a method for establishing a trust relationship between devices and an electronic device. Embodiments of the method comprises: when a first device logs in to an account and the first device is the first login device of the account, sending first device information of the first device to a server (101); receiving a verification request for a second device, the verification request being sent by the second device to the server and forwarded by the server to the first device after the second device logs in to the account and it is determined that first device information is stored in the server, the verification request comprising identity information of the second device (102); on the basis of the identity information, verifying the second device (103); and after the second device passes the verification, establishing a trust relationship with the second device (104).

The invention relates to big data clustering, deployment and automatic positioning. The invention discloses an automatic error positioning system based on big data cluster deployment aiming at design and implementation of a big data processing platform based on Hadoop, automatic deployment of an enterprise-level big data platform based on Hadoop, automatic deployment research of distributed storage resources of the big data platform and a multi-node Hadoop cluster rapid deployment scheme based on a Docker container in the prior art. According to the technical scheme, the method comprises the steps that a shell language of linux is used for calling related commands to check and judge system problems in sequence, a top command is used for being combined with grep and awk, the utilization rate of a system cpu and an idle memory are obtained, related threshold values are set, a df command is used for checking a hard disk space, a ping command is used for testing links of all machines and a namenode node machine in sequence, log is started through a grep cluster, and the system problems are checked and judged in sequence. The method comprises the following steps of: judging whether a trust relationship between machines is successfully established, judging whether a 'PERMISION' error report exists or not, judging whether a 'BindException: Address error in use' error report exists or not, using an ssh command and a machine name, judging whether a password is prompted to be input or not, and judging whether the trust relationship between the machines is successfully established or not. Common problems are traversed from a hardware layer, a system layer, a network layer, a configuration layer and an application layer in sequence, and the problem of unsuccessful system installation is automatically solved.

The application provides a digital key opening method, device and system. The system comprises a first device, a second device and a server, a first service protocol is preconfigured between the first device, the second device and the server, the method can realize, based on a trust relationship between the first device, the second device and the server, remote issuance of data required for opening a digital key under a second service protocol by the server under a digital key system of the first service protocol, and opening of the digital key under the second service protocol between the first device and the second device by using a mechanism defined under the first service protocol, thereby realizing support for the digital key system under the second service protocol in the digital key system under the first service protocol, so that the data interaction required for opening the digital key under the second service protocol can be realized without implementing a pairing protocol under the second service protocol, development workload and PKI system cost are reduced, and user experience is improved.

This application provides an alarm method, apparatus, device, medium, and program product, relating to the field of computer security technology. It aims to lower the technical barriers to use and maintenance of service security checks on Linux operating systems and improve functional integration. The specific technical solution is as follows: After configuring a trust relationship between at least two hosts, based on a first preset startup time, the IP addresses of at least two hosts are traversed; during the traversal of the IP addresses of at least two hosts, a host health check operation and an error log retrieval operation are performed on the first host corresponding to the currently traversed first IP address, obtaining the first host health check operation result and the first error log retrieval operation result; based on the first host health check operation result and the first error log retrieval operation result, a first system alarm message is sent to the electronic equipment of the maintenance personnel. This application is applied to scenarios involving service security checks on Linux operating systems.