400 results about "Digital identity" patented technology

The invention relates to a multi-modal virtual human real-time generation method based on an expression control embedding space, and belongs to the field of artificial intelligence. According to the method, an expression control embedding space is constructed and used for fusing voice semantics, a rhythm structure and multi-dimensional emotion information, and continuous and controllable multi-modal driving vectors are generated. The whole system has an end-to-end linkage mechanism from audio input to expression and action output. Semantic features, rhythm structures and emotional states jointly act on generation paths of lip and upper body postures and expression modalities, and all modal features are fused and expressed in a unified control space through a collaborative coding and time sequence alignment mechanism. And finally, a high-consistency and high-fidelity virtual human video is generated in real time through an output scheduling mechanism. The method has remarkable advantages in the aspects of modal fusion consistency, generation expression naturalness and emotion control flexibility, and can be widely applied to key scenes such as virtual human broadcasting, voice interaction agency and meta-universe digital identity construction.

The invention discloses a one-code interconnected city governance optimization method and system based on space-time identification. According to the method, city grids are dynamically divided based on city granularity requirements to obtain city networks, scene semantic annotation is performed based on space-time attitude parameters of the city grids and moving tracks of entities in the city grids, and digital identity codes are distributed to the entities based on scene semantic annotation results and time dimensions of the city grids; events in each city grid are dynamically processed based on a scene semantic annotation result, data cleaning is carried out based on abnormal screening parameters of historical city operation data, and early warning is carried out based on the cleaned historical city operation data and real-time city operation data; the corresponding entity information is updated in real time based on digital identity code scanning, the entity information is fused through the digital identity codes, a city operation holographic portrait is generated and output, and a novel data-driven, dynamically-optimized and holographic visual city governance mode is constructed.

The invention provides an intelligent engineering progress tracking method and system based on the Internet of Things, and relates to the technical field of engineering progress tracking, and the method comprises the steps: binding digital identities to construction members and construction equipment; executing multi-source data acquisition on an Internet of Things sensing layer based on the digital identity label; the construction activity is recognized through multi-source data semantics, and the execution state corresponding to the construction activity is judged; performing progress deviation calculation according to the execution state and the project progress; according to the deviation magnitude of the progress deviation and the job category, generating a scheduling suggestion; and outputting the scheduling suggestion to the construction equipment to dynamically adjust the project progress. According to the invention, the technical problem of poor engineering progress tracking efficiency in the prior art can be solved, and the technical effect of improving the engineering progress tracking efficiency is achieved.

The present invention relates to the domain of digital identity verification and presence verification. More particularly the invention provides identity verification methods and systems for verifying the identity of an individual associated with a trusted credential or a trusted credential data object. The trusted credential is stored on or is accessible at or through a user device—and has been generated by a trusted credential system that is distinct from (and that is located remotely from) the user device, while simultaneously verifying in real time, the live presence of the individual associated with the trusted credential, at the user device.

The invention provides a city Internet of Things equipment digital identity generation method and system, and belongs to the field of Internet of Things, and the method comprises the steps: S1, based on the digital demands of various industries of a city, defining the rules of Internet of Things equipment identification, and generating a triple of the Internet of Things equipment identification; s2, performing security guarantee on the triple by using an asymmetric encryption algorithm and a dynamic authority control method; and S3, based on the rule and the mechanism, realizing credible binding of the device identity by adopting a lightweight encryption protocol, and generating a digital identity containing identification registration, analysis and authentication functions by adopting a distributed storage technology. The city Internet of Things equipment digital identity code with uniqueness, traceability and tamper-resistant capability generated by the method can be used for supporting credible interconnection and security collaboration of the city Internet of Things.

The invention belongs to the technical field of block chains, and particularly relates to an alliance chain efficient atomicity cross-chain interaction method and system based on distributed digital identities. The method comprises the following steps: deploying a cross-chain contract and a cross-chain gateway for alliance chains, and establishing a cross-chain channel between the alliance chains based on the cross-chain contract and the cross-chain gateway; and carrying out cross-chain asset transfer, cross-chain information transmission and cross-chain smart contract calling based on the established cross-chain channel. According to the alliance chain cross-chain interaction method based on the decentralized identity identification, interaction tasks such as cross-chain asset transfer and message passing can be safely and efficiently processed, and cross-chain intelligent contract asynchronous calling with atomicity guarantee can be executed. The historical consensus nodes are tracked through the DID technology, the dependence on a third party is reduced in the cross-chain operation, the decentralization level of the system is further improved, the safety and reliability of the system are remarkably enhanced, and meanwhile the cross-chain interaction efficiency is improved.

The invention discloses a digital trust service system supporting a cross-industry multi-scene authentication requirement, particularly relates to the field of digital identity authentication, and is used for solving the problem that a policy rule cannot be effectively bound and executed in a cross-domain path due to the lack of unified constraint of a communication protocol layer in an existing certificate intercommunication mechanism. According to the method, strategy meta-information is packaged through a strategy binding module to form a strategy accompanying packet which is bound with a certificate homologous signature, a session evaluation module carries out handshake negotiation to generate a confirmed context, and a path verification module verifies the signature along a path, revokes a snapshot and writes an audit track. The verification execution module executes the disclosure rule according to the context to generate a feedback result, and the evolution registration module updates the evaluator and the cutting strategy to register the trust registry according to the feedback. According to the system, cross-domain cooperation consistency and traceability are ensured, and the supervision implementation efficiency is improved.

The invention relates to the field of tool management, and provides a coal-fired power plant tool intelligent management method and system. The method comprises the following steps: carrying out digital identity construction on a purchasing tool to obtain a tool digital identity file comprising a unique identification code of the tool; constructing a tool circulation record based on the tool digital identity file, and obtaining a block chain traceability record; monitoring an inventory tool state through the block chain traceability record to obtain a tool behavior baseline model; based on the tool behavior baseline model, attenuation prediction and maintenance scheduling are carried out on an inventory tool, and a tool health attenuation trend prediction result and an optimal maintenance scheduling scheme are obtained; and performing decision analysis based on the optimal maintenance scheduling scheme to obtain a tool management decision instruction set. According to the method and the system, non-tampering recording of tool full-life-cycle data, accurate health state prediction and scientific decision support are realized, and the management efficiency and the data credibility are improved.

The invention discloses a film and television later special effect intelligent rendering system and a rendering resource allocation method, the system adopts a four-layer architecture design, and comprises a data management layer, a copyright tracking layer, an intelligent rendering layer and a resource scheduling layer. The data management layer establishes a traceable training database, three-level copyright classification management is performed on training data, and each data sample is equipped with a unique digital identity identifier generated by an SHA-256 Hash algorithm. And the copyright tracking layer constructs a non-tampering copyright chain recording system by using a block chain technology. The intelligent rendering layer integrates a deep learning model based on a Transform architecture and a multi-mode copyright recognition engine, and adopts a layered rendering architecture to process data sources of different copyright risk levels. And the resource scheduling layer carries out dynamic resource allocation by adopting a Q-learning algorithm based on reinforcement learning. According to the method, the problem of copyright ownership of an intelligent rendering technology is solved, legal risks are remarkably reduced on the premise of ensuring the rendering quality, and a standardized copyright management system is established for the later-stage movie and television industry.

Systems and methods for verifying an applicant. An example method includes, receiving, from a user device, an application that includes an identifier associated with an applicant; determining a digital profile for the applicant based on the identifier; processing the digital profile through an assessment model to determine a metric for the applicant; and providing, to the user device, validation data for the application based on the metric for the applicant.

The invention provides an industrial control instruction security verification method based on neural symbol multi-layer interception, and belongs to the technical field of industrial automatic control, generative artificial intelligence security protection and industrial internet edge computing. Independently running guardrail controllers are arranged on the edge sides; the controller sequentially executes grammar verification based on a digital dictionary, authority control based on a digital identity, mechanism constraint calculation based on a dynamic formula and topology interlocking judgment based on a graph on an unstructured or semi-structured instruction generated by the AI; and only after all passes, issuing execution is carried out. The objective of the invention is to solve the fundamental conflict between the generative AI probabilistic output and the industrial control deterministic safety requirement, and systematically overcome the core defects of the prior art.

The invention relates to the technical field of block chains, in particular to a method and a system for realizing unified security and credible authentication of multiple accounts based on a block chain technology, and the method comprises the steps: generating a globally unique decentralized identity (DID) and an asymmetric key pair through a digital identity wallet, and carrying out the uplink storage of DID related information; establishing a binding relationship between the DID and the multi-platform account through the smart contract, and keeping a tamper-proof record; when an external platform initiates an authentication challenge, a user signs a response through a private key, and the smart contract verifies the signature legality and the binding relationship; all the operation logs are chained through the auditing module to form a traceable track, and privacy protection is achieved in combination with technologies such as zero-knowledge proof and ring signature. The system solves the problems of account dispersion, mutual trust insufficiency, privacy disclosure and the like in a traditional centralized authentication system, has the advantages of cross-platform unified authentication, security and counterfeiting resistance, autonomous identity control of a user, audibility, expandability and the like, and is suitable for multiple scenes such as government affairs, finance, education, Internet of Things and the like.

A method for conditioning and maintaining power with predictive load compensation using an uninterruptible power supply system is disclosed. The method includes measuring an electrical input from a primary power supply using analog sensors and transmitting the input through an impedance to introduce a controlled delay. During the delay, input parameters and downstream system effects are determined based on telemetry sensor data. Digital identities are generated for the electrical input and the downstream load and compared to a stored digital identity representing historical conditions. Using the comparison, a system simulation is performed with analog twinning to predict downstream system responses. The predicted response is used to adjust a power converter parameter, modifying the electrical input to an intermediate output that compensates for voltage fluctuations and harmonic distortions. A secondary power supply with a bidirectional high-discharge battery supplements or stores energy as needed, ensuring stable power delivery to the downstream load.

Systems and methods are provided for verifying identities of users. One example computer-implemented method includes requesting a unique ID for a user, from a software development kit (SDK) in a mobile device, and issuing the unique ID for the user. The method also includes generating, by the SDK, a public / private key pair specific to the unique ID, prompting the user to capture an image of a government issued document, and capturing the image of the document. The method further includes validating, by the mobile device, the identity of the user based on the image of the document and, based on the validation, (i) converting the image via a one-way hash function, (ii) signing the hashed image with the private key of the public / private key pair, and (iii) transmitting the signed hashed image, the unique ID, and the public key of the public / private key pair to an identification provider.

The invention discloses a Baijiu asset digital circulation system and method based on a block chain and digital assets. The Baijiu asset digital circulation system comprises a digital identity generation module, a supply chain management module, a supervision traceability module, a transaction circulation module, an anchoring synchronization module and a financial service module. The digital identity generation module is used for generating a unique digital identity identification code for each bottle / box of white spirit; the supply chain management module comprises a production collaboration sub-module, a storage scheduling sub-module, a logistics tracking sub-module, a distribution management and control sub-module, a supervision traceability module, a Baijiu full life cycle data traceability and abnormal transaction early warning and transaction circulation supporting module, and a Baijiu digital asset overall transaction and NFT fragmentation transaction supporting and anchoring synchronization module; the dynamic state synchronization of the Baijiu digital assets and the physical Baijiu is realized through the Internet of Things equipment, and the financial service module dynamically evaluates the loan amount of the Baijiu digital assets based on supply chain data and provides a disposal mechanism of overdue digital assets.

The invention relates to the technical field of digital identities, in particular to a cross-domain identity authentication system and method capable of bearing certificate entities and agents, and the system comprises an identity providing module which signs and issues identity certificates in each trust domain; the chain trust registration module is used for maintaining a trust registration table, a voucher state table and a cross-domain trust strategy table of each trust domain identity provider; the trusteeship authorization management module is used for registering trusteeship authorization relationships between the intelligent agent and the trusteeship host platform and between the intelligent agent and the owner; the cross-domain authentication gateway module is used for carrying out identity verification and authorization judgment on the access request and generating an effective access token in the domain; and the audit and responsibility investigation module is used for recording the cross-domain authentication request, the verification result and summary information of the decision basis. According to the invention, the problems of dispersed cross-domain trust, non-uniform voucher states and unverifiable intelligent agent identities are effectively solved, and an identity authentication system with unified cross-domain trust management, trusteeship authorization verification and auditing of the whole access process is realized.

A method for electronic identity verification and management includes receiving a request for verification of identity for a customer from a service provider; requesting consent from the customer to access data from one or more data holders associated with the customer; receiving consent from the customer to access data from the one or more data holders and sending the consent to the one or more data holders; receiving customer data from the one or more data holders; processing the customer data to verify the identity of the customer, identifying one or more online identity sources of the customer and analysing the one or more online identity sources to determine a level of risk associated with the customer identity, and generating a verified compound digital identity for the customer based on the authenticated identity document and the one or more online identity sources of the customer without storing personally identifiable information.

RFID technology may be used to provide digital identities for physical items. An RFID IC attached to or integrated into a physical item contains an identifier for the physical item. Digital identity information associated with the item, such as ownership information, history, properties, and the like, may be located on one or more networks. An entity, after authenticating itself and / or the item, may use the identifier to locate, retrieve, and / or update the item's digital identity information on the network.

The invention relates to a heat supply gas pipeline safety monitoring system and method based on block chain evidence storage. The method comprises the following steps: performing unified identity registration on a pipeline section, a sensor and a responsible mechanism through a block chain network to generate a block chain digital identity; dynamically optimizing sensor load distribution at edge nodes based on the identity, and constructing an efficient data acquisition network; on the basis of extracting a pipeline state feature vector in real time, generating a pipeline state abstract by using an edge-block chain collaborative verification mechanism, and triggering an on-chain smart contract to realize risk grading; automatically matching the plan according to the risk level to generate an encrypted response instruction and distributing the encrypted response instruction to a responsible mechanism; and implementing closed-loop evidence storage on the whole emergency disposal process based on the block chain digital identity. Therefore, the problems of data islands, response delay, unclear responsibility and the like of a traditional monitoring system are solved, full-link credible collaboration from risk perception to emergency response is achieved, and the safety protection level and cross-mechanism emergency response efficiency of a gas pipe network are improved on the premise that data safety is guaranteed.

The invention provides a multi-source solid waste comprehensive road system and method for road reconstruction and expansion, and relates to the technical field of multi-source solid waste distribution. The system comprises a solid waste classification and coding module, a standard solid waste three-level classification system is established, and a unique digital identity code is generated for each kind of solid waste; the multi-source solid waste database construction module is used for storing and managing digital identity codes, attribute data, image information and geographic position information of the solid wastes and constructing a multi-source solid waste database; the solid waste image recognition and search module determines a solid waste image code and inputs the solid waste image code into a multi-source solid waste database for search matching to obtain a target solid waste attribute file corresponding to the solid waste image code; the intelligent matching module for the solid waste road receives project requirements of road reconstruction and extension, performs multi-target optimization matching on the project requirements and the target solid waste attribute file through a built-in intelligent algorithm, and outputs a recommended solid waste recycling scheme; and optimal utilization of solid wastes in road use is selected, so that high value of resources is realized.

The invention discloses a non-interactive digital identity authentication method and system for privacy outsourcing calculation, and the method comprises the steps: a user mobile terminal analyzes an identity certificate of a user into a witness vector and generates a secret share, selects an authentication node, generates and transmits an anchor point secret share, a witness vector secret share and a label for the authentication node, and transmits the anchor point secret share, the witness vector secret share and the label to the authentication node; sending a global key secret share and a local key component secret share for generating a tag to the remaining computing nodes; each computing node in the privacy computing cloud cluster performs witness consistency check, if the check is passed, an identity authentication circuit is executed in a secret state to obtain a secret share of an authentication result, and a proof fragment of a simple non-interactive zero-knowledge proof is calculated based on a calculation track executed by the circuit; the authentication nodes gather to obtain a complete proof and recover an authentication result, the proof is delivered to a verification party, the authentication result is pushed to a user mobile terminal, and in the proof generation process, PIOP consistency check needs to be carried out after each round of polynomial commitment is generated.

The invention relates to the technical field of hazardous waste early warning management, and particularly discloses a hazardous waste full-life-cycle early warning and management method based on multi-source data, which constructs a hazardous waste full-life-cycle management system by providing the hazardous waste full-life-cycle early warning and management method based on the multi-source data. Digital identities are given to the hazardous wastes, so that accurate information management from a warehousing source is realized; early recognition and intelligent intervention of temporary storage environment risks are realized through a multi-source sensor data fusion and hierarchical response mechanism; the core of the method is that based on real-time data, single or multiple hazard sources can be intelligently analyzed and positioned, reaction paths and linkage risks are dynamically simulated, and a global knowledge base is continuously updated. The system finally forms a closed loop with autonomous learning and optimization capabilities, the management mode of hazardous wastes is improved from passive disposal to active early warning and scientific decision, and the storage security and the management intelligence level are remarkably improved.

The invention discloses an intelligent integrated management system for building construction quality and safety, which relates to the technical field of industrial safety system services, and is characterized in that each batch of raw materials and each key component are endowed with a unique digital identity label, so that the unique digital identity label becomes a unique mapping which cannot be tampered by a physical entity in the digital world; in the subsequent circulation process, any data such as quality detection, construction operation, environmental parameters and personnel information are bound to the identifier through the Internet of Things equipment and the edge gateway, and the data packets with the digital identifier are submitted to a block chain consensus network jointly maintained by suppliers, construction, supervision, construction and the like for evidence storage. The distributed account book and consensus mechanism of the block chain ensures that the data submitted by any party can be permanently recorded only after being verified by other participating nodes, thereby ensuring the authenticity and integrity of all key quality records.

According to the technical scheme, the automatic water quality monitoring method is characterized by comprising the following steps that on-site sampling is conducted, and sample information is input into a printing tool and printed on a sample; transporting and handing over the water sample, scanning and inputting all sample information into a management system, and recording the sample entering time; intelligent sample distribution and circulation; performing intelligent water sample detection by using a water quality analyzer; data analysis and transmission and intelligent sample distribution and circulation comprise a sample test distribution strategy and a quality control scheme, in the method, each sample has a unique digital identity card, the system automatically distributes tasks, optimizes a detection path, greatly improves circulation efficiency, avoids deviation caused by manual selection, can continuously run for 24 hours, and has a wide application prospect. Rapid treatment of a large number of samples is achieved, and the high-throughput requirement of modern monitoring is met.

This invention proposes an authorization and operation traceability method and system for intelligent agents. The invention includes: responding to identity binding requests to generate independent digital identity identifiers and asymmetric key pairs for natural person users and intelligent agents, and storing them in a secure hardware area; receiving authorization policy configuration instructions to set the operation scope and sensitive operation types, and storing them in the permission policy engine; upon receiving an operation request, calling the corresponding key pair to generate a digital signature and operation token, determining whether secondary confirmation is required based on the authorization policy, and adding a source identifier after successful verification; generating a hash chain log of the operation records and storing it with associated hash values, achieving end-to-end tamper-proof and traceability, and ensuring the secure and reliable operation of the intelligent agent.

Disclosed in the present invention include methods and systems for issuing a certificate-type credential and electronically signing a document. Both applications require to verify if a digital credential of a prover or a signer is authenticated. Authentication of the digital credential requires a two-fold verification that the digital credential is verified to be valid and one of at least one issuer linked to the digital credential according to a parent-child relationship is verified to be trusted. To verify that the digital credential is valid, validity of a proof, expiration date, and revocation information associated with the digital credential should all be verified to be valid. The two-fold verification secures more for digital credential verification. Non-certificate type digital credentials and certificate-type digital credential can be organized in a digital identity hierarchy allowing ownership of multiple digital credentials to one entity implemented with distributed ledger technology effectively avoiding single point of failure.

The invention discloses a distributed identity verification method for realizing heterogeneous chain communication compatibility based on a cross-chain contract, and relates to the technical field of distributed identity and cross-chain, and the method comprises the steps: creating a distributed digital identity account containing a unique identifier, a key pair and attribute information for a cross-chain user and a node, generating a certificate through auditing of a trusted node, and synchronously storing the certificate; deploying cross-chain middleware containing a cross-chain smart contract and a multi-center gateway, and providing a unified calling interface needing to be signed by a private key; a cross-chain communication protocol is adapted, data are encrypted hierarchically, and a block period is coordinated; constructing a cross-chain smart contract containing four interfaces; after a user initiates a request, the request is verified by a gateway and a contract, and cross-chain operation is executed by a token; and the gateway performs routing transaction, synchronizes the data after the contract confirms the result, and verifies the consistency of the cross-chain data. According to the method, the heterogeneous chain communication compatibility problem is solved, the cross-chain identity verification efficiency and credibility are improved, the contract function integrity is enhanced, and the multi-scene cross-chain requirements of finance, supply chains and the like are met.

The invention relates to the technical field of information security and cryptography, and provides a distributed digital identity account processing method and device and electronic equipment. The method comprises the following steps: receiving an alias registration request sent by a first QVI mechanism; creating a user account tree based on the first account association information corresponding to the first user; the user account tree is a Merkel tree comprising at least one pair of leaf nodes, determining a first alias corresponding to the first user, binding the first alias with the user account tree, and generating a first identity certificate; at least combining the first root hash signature value of the user account tree with the hash value of the first identity certificate to generate a first association record, and synchronously storing the first association record in the block chain; and determining a corresponding user account tree according to the to-be-verified alias carried in the query request, generating a zero-knowledge proof based on the user account tree, and at least returning the zero-knowledge proof to the second user. According to the technical scheme, the AID account verification process can be simplified, and the user experience is improved.

The invention discloses an aviation ticket buying method and device based on network digital identity and a storage medium. The method comprises the following steps: in the process of detecting that a target user logs in a ticket buying server by using a target account, performing login authentication according to a digital identity authentication management platform and a digital identity management application; under the condition that the login authentication result is that the authentication is passed, ticket buying demand information sent by the target account is received, and target ticket business information is determined according to the ticket buying demand information; acquiring a network digital identity token of the target account, and performing identity authentication on the network digital identity token according to a pre-stored digital identity token in the ticket buying server; and generating a ticket buying order of the target account according to the target ticket business information and the network digital identity token under the condition that the identity authentication result is that the authentication is passed. According to the invention, the problem of low information security in the ticket buying process in the prior art is solved.

The application belongs to the technical field of data processing and sharing, and particularly relates to a job worker safety portrait data sharing method and system based on a blockchain technology, wherein safety behavior data of a job worker is acquired, a weighted scoring card model is trained, a safety score distribution is obtained, a dynamic safety portrait is constructed, verification is performed in combination with zero-knowledge proof and a polynomial commitment, and a digital identity certificate is generated; an improved blockchain network is used to construct associated data chains, a chain feature map is generated in combination with IPFS distributed storage, a cross-chain consensus mechanism and a smart contract are fused, a multi-node weight distribution mechanism is used to locate a high-risk job key area and analyze a behavior abnormality mode, and a risk evolution trend is output; a distributed random forest model is used to quantitatively score a comprehensive safety, a risk level is identified and a visual atlas is generated, and high-risk personnel are labeled, and meanwhile, data sharing is performed. Thus, the problems of missing key features, misjudging risk areas and incomplete portraits in the prior art are solved.