13results about How to "Ensure credible" patented technology

The invention provides a data asset multi-dimensional assessment method and system based on a block chain and machine learning, an assessment index system covering dimensions such as data quality, value, risk and security is constructed, a block chain technology is adopted to carry out assessment process and result evidence storage, a machine learning model is introduced to dynamically optimize index weights, and the assessment efficiency is improved. And a data asset marketization pricing mechanism is explored and formed. According to the method, the problems that an existing data asset evaluation method is single in dimension, high in subjectivity and lack of credibility are solved, scientific evaluation, marketization pricing and credible publication of the data asset value are achieved, important reference is provided for data element circulation, and the method has great significance in promoting prosperous development of the data element market.

The invention discloses an intelligent charging device and system based on block chain connection and a charging method. The intelligent charging device comprises a plurality of charging piles and a to-be-charged vehicle. Any one of the plurality of charging piles is used for charging the to-be-charged vehicle; and each charging pile in the plurality of charging piles establishes a communication link with two adjacent charging piles arranged according to a predetermined sequence so as to form an annular communication network. Besides, compared with the prior art, the intelligent charging method based on block chain connection can improve the charging efficiency, guarantee the data security, optimize the resource allocation and improve the user experience. In this way, the to-be-charged vehicle can obtain state information of common and surrounding charging piles, the charging piles can intelligently adjust charging strategies, the charging process is transparent and traceable, and convenient, safe and efficient charging services are provided for users.

The invention discloses a block chain-based battery full life cycle data tracing method and system, and the method comprises the steps: receiving verification request information sent by a battery pack manufacturer, calling corresponding parameter data from a storage server according to the verification request information, and carrying out the processing of the corresponding parameter data to generate a zero-knowledge proof; submitting the zero-knowledge proof, the encrypted data packet and verification request information to a data verification contract for verification, calling an authority management contract to modify the manufacturer access authority after verification is passed, collecting key operation through an audit tracking contract, performing uplink to generate a log record, and finally, according to the log record in the block chain network, performing data verification on the block chain network. The safe and traceable query of the full-life-cycle information of the battery cell is realized, the data privacy is ensured, and the credibility and high efficiency of the full-life-cycle information tracing process are ensured.

This invention provides an AI-based laboratory consumables management system and method, belonging to the field of AI management. The system includes: a model building layer for constructing item models of different consumables; an AI recognition layer for intelligent AI recognition of each consumable item received by students based on the item models; a statistics layer for recording the quantity of consumables issued and the remaining quantity of consumables based on their item attributes and the results of intelligent AI recognition, and simultaneously recording the quantity of corresponding consumables received based on their item attributes; and an early warning layer for formulating a first early warning strategy and issuing an early warning when the item attribute is a consumable attribute, based on the issued and remaining quantities; and for formulating a second early warning strategy and issuing an early warning when the item attribute is a non-consumable attribute, based on the issued, remaining, and received quantities. This system enables the management of medical consumables.

This invention relates to the field of charging pile technology and discloses a self-organizing network charging pile communication module, including a communication unit, a control unit, a storage unit, and a security unit. This self-organizing network charging pile communication module provides efficient and stable communication even in complex environments. The radio frequency module and protocol conversion module of the communication unit work together to ensure stable communication. The radio frequency module can intelligently adjust the receiving sensitivity and transmitting power based on factors such as environmental interference and transmission distance, ensuring signal penetration through obstacles or reducing energy consumption. The protocol conversion module supports multiple mainstream communication protocols and can quickly adapt to external devices such as power grid management systems and payment platforms, breaking down communication barriers and achieving efficient interconnection between charging piles and different devices, thus improving communication compatibility. This invention constructs a security system from multiple aspects. Data transmission uses high-strength encryption algorithms and quantum key distribution technology to prevent data interception and cracking, and provides early warnings for known and unknown threats, ensuring data and network security.

Embodiments of the present specification disclose a method and device for providing user data. The method can be applied to a terminal device on the user side, and includes: receiving a data acquisition request sent by a data platform; wherein the data acquisition request carries a user data identifier required by a data use system, and a first public key corresponding to the data use system; performing calculation by using a second private key corresponding to the user and the first public key obtained from the data acquisition request to obtain an authorization key; and sending the authorization key to the data platform. Embodiments of the present specification can more efficiently provide user data to various data use systems.

The present invention provides a retired power battery management system, including: a server, which is a tree structure, has a root security certificate issuing server and at least one intermediate security certificate issuing server, and verifies identity and distributes real-name certificates; LDAP, in which the data of all intermediate security certificate issuing servers are stored; at least two nodes constitute a blockchain network; a client, which is used to call the server; wherein the client is also configured to request a digital signature scheme, and the digital signature scheme shown includes a public key and a private key; a first client and a second client negotiate to generate a first parameter sequence for zero-knowledge proof, generate a commitment value sequence based on the first parameter sequence using a multiple discrete logarithm formula, use a hash function to calculate the private key to generate a second parameter for zero-knowledge proof, verify the identity of the first client through a zero-knowledge proof protocol, and the first client and the second client trade through a smart contract.

The invention discloses a block chain technology-based trusted edge real-time video analysis method and device, and the device is installed at a video access end of an original system, combines a video edge recognition analysis technology with an embedded device, combines a target recognition algorithm with a block chain, and achieves the real-time video analysis of a trusted edge. And detecting a target in the video by using a target detection algorithm, fusing the block chain smart contract and the block chain signature in the target detection algorithm, performing block chain signature according to a target detection result, and inserting the block chain signature, the associated attribute information and the block chain query path in each frame of picture of the video. Compared with the prior art, the method has the advantages that algorithm optimization is performed on the basis of existing low-price hardware cost, image recognition and block chain combination is realized, and the problem that data are tampered or inconsistent in key unstructured data is solved.

The invention provides a micro-grid full-link security protection system, which comprises a micro-grid master station server data receiving module used for encrypting service data through an encryption unit installed on a micro-grid slave station server and transmitting the encrypted service data to a security access isolation gateway, and an external network side host used for decrypting the encrypted service data and transmitting the decrypted service data to a security access isolation gateway; the reverse internal network side host sends the decrypted service data to a micro-grid master station server; the micro-grid master station server data sending module is used for filtering business data of the micro-grid master station server through the forward internal network side host and sending the business data to the micro-grid slave station server; the credibility verification module is used for carrying out integrity verification on the security access isolation gateway through a credibility verification unit; and the network security monitoring module is used for performing security monitoring on the micro-grid master station server and the security access isolation gateway through a network security monitoring device. According to the invention, the investment cost is reduced, and the data transmission security is improved.

The present invention relates to the technical field of trusted authentication, and provides an electric power blockchain system based on trusted computing, including an authorization service chain, a log service chain, and a remote proof chain; a trusted chip is provided in the blockchain nodes of the authorization service chain, the log service chain, and the remote proof chain; the log service chain measures the reputation value of the acquisition layer terminal in real time through a malicious node detection mechanism based on a smart contract, promptly discovers the terminal and removes it from the network, and prevents the malicious terminal from publishing malicious data; the log service chain and the remote verification chain perform remote integrity verification on the terminal requesting access to the system through a trusted chip; the authorization service chain performs policy verification on the terminal requesting access to the system. The system detects the access rights of the visitor through integrity proof and access policy verification, ensures the credibility of the access terminal, comprehensively maintains the safe and reliable operation of the electric power blockchain system, and protects the privacy data in the electric power blockchain.

The present invention discloses a distributed energy data management collaborative processing method and system based on blockchain, which belongs to the field of distributed energy data processing technology. The distributed energy data management collaborative processing method based on blockchain of the present invention collects data from distributed energy system terminals by constructing a distributed collection model to ensure the credibility of data collection; constructs a trusted computing distributed sandbox to provide an isolated environment for data to ensure the credibility of the operating environment; constructs a distributed data verification model to perform a trusted verification on isolated data to ensure that the off-chain data is not tampered with or destroyed; constructs a distributed data twin model to perform twin aggregation on data to meet detailed optimization decision-making tasks; constructs a distributed optimization decision contract model according to the optimization decision-making tasks, splits the optimization decision-making tasks into micro-task services, and completes the collaborative processing of distributed energy data resources. The scheme is detailed and feasible.

The present invention proposes a digital transaction method for rice supply chain based on blockchain tokens, which involves the fields of blockchain, Internet of Things, etc. First, based on smart contracts and blockchain technology, a digital transaction platform is designed, in which all enterprises, consumers and regulatory authorities are jointly constituted as participants. After identity authentication, digital identity tokens and digital wallets are distributed to participants; then, the tokenization of rice assets is realized through the exchange; participants match their respective rice tokens with identity tokens to form a unique token. Buyers and sellers realize layered transactions of funds and rice through their respective unique tokens; the present invention adopts asymmetric encryption to realize the interconnection between the subchain and the main chain. The designed token ensures the complete credibility of the digital transaction environment of rice, and at the same time provides rice traceability and supervision services, which provides a perfect reference and research idea for the digital transaction of grain and oil crops.

The invention discloses a data security protection method and system, electronic equipment and a readable storage medium. The data security protection method comprises the following steps: performing first bidirectional credible authentication with a key management service; after the first two-way trusted authentication is passed, a first key is obtained from a key management service, and the first key corresponds to the first service; and performing encryption and decryption processing on the communication data of the first service based on the first key. According to the method provided by the embodiment of the invention, the communication data of the service is encrypted and decrypted based on the key obtained through the bidirectional credible authentication in the credible execution environment, so that the secure distribution of the key can be ensured, the confidentiality of the key and the credibility of the encryption and decryption environment can be ensured, and the full-link data security of the network service and the cloud service can be further ensured. Especially under the inference service scene which is widely applied nowadays and based on an artificial intelligence model, the data security of the whole link of the inference service can be ensured.