51results about How to "Prevent forgery" patented technology

The invention discloses a transparent logistics supply chain tracing management system fused with a block chain technology. The transparent logistics supply chain tracing management system comprises a data acquisition module, a block chain storage module, an intelligent contract module, a user interface module and a data analysis module, the data acquisition module is responsible for collecting real-time data of each link of a supply chain and transmitting the data to the block chain storage module; the block chain storage module uses SHA-256 and ECDSA algorithms to ensure the security and authenticity of the data; according to the method, the blockchain technology is utilized, data of all links of the supply chain is subjected to chaining storage, the data are open, transparent and non-tampering, and the credibility of the data is enhanced; through an SHA-256 Hash algorithm and an ECDSA signature algorithm, the security and integrity of the data in the transmission and storage process are ensured, and the data are prevented from being tampered or forged; and transactions and operations in the supply chain are automatically executed through the intelligent contract module according to a preset rule, so that human intervention is reduced, and the automation level and the operation efficiency of the system are improved.

The invention relates to the field of digital archives, in particular to an alarm information processing method and system based on a block chain technology. A traditional monitoring system mainly carries out real-time monitoring according to data of a sensor and gives an alarm, and data may be tampered, so that emergency response and afterward responsibility investigation and determination work are affected; the invention aims to provide the alarm information processing method and system based on the block chain technology for a scene that alarm data is easy to tamper in the field of safety production, the method is improved on the basis of the existing Internet of Things technology, the block chain technology is added into the alarm processing system, and the alarm information processing efficiency is improved. The non-tampering and traceability of the data are realized based on the block chain technology, the integrity and transparency of the data are comprehensively considered in the risk monitoring process, the data security can be ensured, and the data security can be ensured for storing and tracing complete and real alarm notification and disposal process records. And powerful evidence support is provided for responsibility investigation and responsibility determination of subsequent accidents.

The invention discloses an electric power marketing service behavior supervision and control method and system, and relates to the technical field of behavior supervision, and the method comprises the steps: collecting audio, video and position information in an electric power access service process, carrying out the multi-modal data fusion analysis of the collected information, and comprehensively judging whether the service behavior is compliant or not; the wearing condition of the customer manager is monitored in real time through the AI image recognition technology, and whether the behavior is correct or not is judged based on the fused data; performing encrypted storage and non-tampering recording on behavior data of a customer manager in each service link based on a block chain technology, and performing intelligent labeling and tracking on key operation steps in a service process; and verifying the audio and video data provided by the customer manager through a deep counterfeiting detection technology, and outputting a final verification result. According to the invention, by introducing a multi-modal data fusion technology, an intelligent behavior analysis technology and a block chain storage technology, brand new improvement of the power management and control system in customer manager service behavior supervision is realized.

The invention discloses a network link security management method based on artificial intelligence, which relates to the technical field of network security management, and comprises the following steps: when a network receiving link receives a data file of a sending end, obtaining first parameter data of the sending end to generate a sending feature and a fingerprint mark, and performing security verification on the fingerprint mark; and after verification, the data file and the fingerprint mark are packaged to generate a to-be-transmitted file. And when the to-be-transmitted file passes through an intermediate node of the network transmission link, recording second parameter data of the intermediate node, gradually generating a dynamic path mark and inputting the dynamic path mark. And when the file is transmitted to a receiving end, obtaining a complete dynamic path mark, carrying out anomaly analysis on the path mark according to a preset anomaly analysis algorithm, and if an anomaly is detected, generating an anomaly signal and giving an alarm. By sending the fingerprint mark in combination with the dynamic path mark and real-time monitoring, the adaptability of the network environment is improved, and the abnormality in the transmission path is accurately detected.

The invention relates to the technical field of identity verification, and provides an identity verification method for generating a face image based on an electroencephalogram signal, which is characterized by comprising the following steps: S10, a registration stage: collecting the electroencephalogram signal and the face image of a user as registration information; s20, a model training stage: jointly training a face generation model based on the electroencephalogram signal and the face image in the registration information; and S30, a verification stage: collecting an electroencephalogram signal of the user as verification information, inputting the electroencephalogram signal into the trained face generation model to generate a face image, and comparing the face image with the user himself / herself to realize identity verification. The face generation model is jointly trained by collecting the electroencephalogram and face data of the user, the electroencephalogram signals of the user are collected in the application stage, and the face image can be directly generated through the face generation model, so that the identity authentication effect is achieved.

The invention relates to a malicious message detection method and system based on batch authentication in the Internet of Vehicles, and the method comprises the steps: receiving a message sent by a vehicle and the signature information of the vehicle for the message, and putting the message sent by the vehicle into a corresponding message list according to the trust level of the vehicle, the messages in all the message lists are verified through a batch verification algorithm, and if verification is not passed, batch authentication is sequentially conducted on the message lists according to the trust levels from high to low; the process of carrying out batch authentication on the message list comprises the following steps of: carrying out batch authentication on messages in the message list by utilizing a batch verification algorithm; if verification is not passed, the messages in the message list are equally divided into two parts, and the messages of the two parts are subjected to batch verification through a batch verification algorithm; and repeating the above steps for partial messages which do not pass the batch verification until all messages which do not pass the verification are found as malicious messages, so that the malicious messages can be quickly detected, and the loss of message detection is reduced.

The present application relates to the technical field of in-vehicle network communication, and discloses a lightweight and secure communication method and system between ECUs in an in-vehicle network. The communication method comprises an ECU identity authentication phase: each ECU interacts with a CAN gateway, and the CAN gateway performs batch identity authentication to verify the legality of all ECUs; a data classification phase: according to the data sensitivity, the data to be transmitted is classified as confidential data or non-confidential data; a data transmission phase: if the data to be transmitted is confidential data, the sender ECU uses a session key and an ASCON encryption algorithm to encrypt and authenticate the plaintext of the confidential data, generates ciphertext and authentication parameters, and sends a data packet containing the ciphertext and authentication parameters to the receiver ECU; if it is non-confidential data, the sender ECU uses a session key and an ASCON encryption algorithm to only sign but not encrypt the plaintext, generates an authentication tag, and sends a data packet containing the plaintext and the authentication tag to the receiver ECU. The present application takes into account the security and computational overhead of in-vehicle ECU communication.

The present invention provides a distributed device identity authentication and access control method and system based on blockchain, which relates to the field of blockchain technology, including that a to-be-accessed device generates a target device fingerprint based on the physical non-cloning function of its own device, binds the target device fingerprint with a device public key to generate device identity information, and stores the device identity information in a blockchain through an identity authentication smart contract; an authentication node queries the corresponding device identity information based on the device fingerprint sent by the to-be-accessed device, and uses the device public key to verify the digital signature in the access authentication request; an access device that passes the authentication and obtains an encrypted session key obtains an access control policy pre-configured by an administrator through an access control smart contract; and when the access device needs to access network resources, it accesses network resources based on the access control policy.

This invention discloses a hardware verification circuit for quantum telemetry and control link calibration and measurement results, belonging to the field of high-precision hardware technology for quantum telemetry and control. The circuit includes a link characteristic measurement unit, a parameter compensation storage unit, a hardware compensation controller, a hardware redundancy verification unit, and a calibration parameter storage unit with a one-time programmable fuse. All calibration rules and verification parameters are permanently fixed using the one-time programmable fuse and cannot be modified by software. This invention achieves full-dimensional calibration of the quantum telemetry and control link and hardware-level anti-tampering verification of measurement results through a pure hardware circuit, solving the problems of existing technologies where link calibration relies on software, accuracy is insufficient, and measurement results lack hardware-level protection. It can improve the synchronization accuracy and reliability of quantum telemetry and control results, and is suitable for various high-precision quantum telemetry and control scenarios.

The application discloses a kind of AI application calling count statistics method, in AI application calling process, when different AI entities interact, log is recorded respectively, including token information based on asymmetric encryption technology;Different AI entities generate corresponding bill according to log, reconcile when billing dispute occurs, and the correct AI application calling times are counted, so as to correct billing;The AI entity includes AI application consumer, AI platform service provider, AI technology supplier.The application realizes the statistics of AI application calling count based on token and asymmetric encryption technology, records AI application calling bill by three parties, when billing dispute occurs, the correct AI application calling times statistics are obtained by comparing the bill of three parties, prevent the statistical error of AI application calling count, realize the accurate statistics of billing according to AI application calling.

The application relates to an MQTT protocol sensing access verification method, which comprises the following steps: receiving a connection request initiated by a client, and analyzing a CONNECT message in the connection request to obtain a plurality of parameter fields, wherein the parameter fields comprise protocol version information, a client identifier, a username, a keep-alive time and an MQTT5.0 attribute field; based on a preset policy set organized according to tenants, performing rule matching and parameter consistency verification on the parameter fields; when any verification result does not satisfy a condition preset by a corresponding policy, generating a corresponding rejection reason code and a hit policy identifier, and rejecting the connection request before an MQTT session is formally established; and when all verification results satisfy the policy requirements, allowing the MQTT session to be established. Through the application, the problem of insufficient access security of the MQTT protocol is solved, protocol semantic level verification is performed before the MQTT session is established, invalid connections are blocked, and application layer attacks are prevented.

The present invention discloses a concrete test block anti-counterfeiting system and anti-counterfeiting method, which belongs to the field of concrete detection technology; it includes an anti-counterfeiting label card, and a sample preparation end and a laboratory end that communicate with a server and identify the anti-counterfeiting label card; the anti-counterfeiting label card includes: a substrate, an identification code and a direction indicator set on the front of the substrate, and a bending foot for fixing the substrate; the laboratory end performs anti-counterfeiting verification by identifying the installation orientation, angle, and distance of the anti-counterfeiting label card. The present invention significantly improves anti-counterfeiting security, enhances reliability, improves verification efficiency, and improves environmental adaptability; at the same time, it is connected to the laboratory and supervision platform to achieve connection and integration with the existing system; in addition, the system is set according to the national building materials management standards, compatible with other quality control systems, and easy to integrate into the existing management system, which promotes the industry standardization process and reduces the implementation cost.

The scheme provides a federated learning secure aggregation method and device based on linear audit and on-chain accountability, which comprises: a client trains a to-be-updated model to obtain a model update vector, and generates a masked ciphertext based on the model update vector; a linear audit label is obtained, and the linear audit label is split into a first linear share and a second linear share; an aggregation server aggregates the masked update vector and the first linear share, and an auxiliary server aggregates the masked ciphertext and the second linear share; and the client updates the to-be-updated model based on the aggregation results of the aggregation server and the auxiliary server. The scheme adopts a dual-server separation architecture to aggregate the masked update vector and the masked ciphertext respectively, and a single server cannot obtain the plaintext model update of the client, thereby eliminating the malicious stealing of single-client private data by the server from the architecture.

The invention relates to the technical field of wireless communication, and discloses an NFC (Near Field Communication) equipment quick pairing method based on neural network optimization, which comprises the following steps: S101, when a transmitting end and a receiving end of NFC equipment are started, respectively initializing and respectively loading unique identification information of the transmitting end and the receiving end; s102, the receiving end scans a wireless radio frequency identification tag signal of the transmitting end through a built-in NFC module, extracts second candidate unique identification information and environment signal features of the transmitting end, and predicts a signal distance and a signal stability score of the target equipment based on a preset signal feature prediction model for determining whether the target equipment is the transmitting end; and S103, carrying out bidirectional verification and exchange on the unique identification information of the transmitting end and the receiving end through an NFC protocol, confirming whether the unique identification information of the transmitting end is matched with target equipment by the receiving end, and if the matching is successful, writing the unique identification information into a pairing data area of the receiving end. According to the invention, efficient, accurate and safe pairing of the NFC equipment in a complex environment is realized.

The invention provides an engineering information data management method based on a block chain, and relates to the technical field of block chains, the method is applied to a first server, and the method comprises the following steps: obtaining to-be-processed engineering information data; the synchronous broadcast is sent to the plurality of node servers, reply information sent by a second server in the plurality of node servers is received, and the reply information comprises a second public key of the second server and equipment information; respectively sending the equipment information of each second server to other second servers for verification; after the information that the plurality of second servers pass the verification of the equipment information is obtained, encrypting each piece of engineering information data by adopting a second public key to obtain encrypted data, so that the encrypted data can be decrypted by adopting a second private key corresponding to each second public key; and sending the encrypted data to the second server according to the communication address of each second server. According to the invention, the security of engineering information data management can be improved.

The invention provides an infrared absorption substance, a preparation method thereof and ink. The preparation method of the infrared absorption substance comprises the following steps: preparing a first solution, a second solution and a third solution, mixing the first solution, the second solution and the third solution to obtain a mixed solution, and standing the mixed solution according to a preset standing duration; the first solution contains copper phosphate, the second solution contains sodium tungstate dihydrate, and the third solution contains cesium carbonate and citric acid; synthesizing the mixed solution by using a hydrothermal synthesis method to obtain a solid-liquid mixture; and carrying out water washing, alcohol washing, centrifugal separation and drying on the solid-liquid mixture to generate an infrared absorption substance, so that the infrared absorption substance has an infrared absorption rate of 85% or above at the infrared band of 850-1250 nm.

The invention relates to the technical field of Internet of Things equipment cross-chain cooperation safety control, in particular to an Internet of Things equipment cross-chain cooperation method and system based on dynamic trust evaluation. The method comprises the following steps: an Internet of Things device submits a cross-chain cooperation request containing Internet of Things device identity information and a cooperation demand to a cross-chain gateway; and the cross-chain gateway calls a dynamic trust evaluation model obtained based on federal learning training, and calculates a trust score in combination with historical behavior data and real-time operation state data of the Internet of Things equipment. According to the Internet of Things equipment cross-chain cooperation method and system based on the dynamic trust evaluation, distributed calculation and real-time updating of trust scores are realized through the dynamic trust evaluation model trained by federated learning and in combination with the historical behavior data and the real-time operation state data of the equipment, that is, the federated learning does not need to upload original data, so that the reliability of the system is improved. The privacy of the equipment data is reserved, and the dynamic change of the equipment behavior can be accurately captured.

The invention discloses an unmanned seal using system, an unmanned seal using method based on the unmanned seal using system, and the field of information security and Internet of Things cross technology, and the method comprises the steps: a management platform carries out the verification of a seal using application, obtains a quantum session key from a key generation center if the verification is passed, generates first encrypted data, and carries out the verification of the seal using application; sending the first encrypted data and the quantum session key identifier to an access control; the entrance guard verifies the identity of the user, verifies the first encrypted data if the verification is passed, generates second encrypted data if the verification is passed, and sends the second encrypted data and the quantum session key identifier to the seal container; the seal container verifies the second encrypted data, if the verification is passed, third encrypted data is generated, and the third encrypted data and the quantum session key identifier are sent to the seal device; and the seal equipment verifies the third encrypted data, and if the verification is passed, seal using operation is executed. According to the method, the intelligence and the safety in the unmanned seal using process are improved.

The present invention relates to the field of vehicle networks, and to a cross-domain authentication method for vehicle networks based on blockchain, comprising: a trusted authentication center initializes system parameters and registers identity information of roadside units RSU and vehicle V in the vehicle network; each roadside unit RSU periodically broadcasts its own identity information; and vehicle V ij Entering the Roadside Unit RSU ij The communication range of the roadside unit RSU ij The identity information of the vehicle is verified; if the vehicle V ij If the authentication is successful, the vehicle V ij Generate a cross-domain authentication request using an anonymous identity and send it to the roadside unit RSU ij ; The roadside unit RSU ij Through zero-knowledge proof, the vehicle V ij The anonymous identity is authenticated. If the authentication is successful, a roadside unit RSU is established. ij With vehicle V ij The connection between the roadside units RSU ij With vehicle V ij The present invention also proposes a cross-domain authentication system, device and storage medium for Internet of Vehicles based on blockchain. The present invention can improve the authentication efficiency and reduce the storage and computing overhead on the blockchain.

The application belongs to the technical field of trusted authentication, and discloses a remote user trusted authentication system, method and medium in an Internet of Things environment. The system comprises a registration center (RC), which is a trusted server and is used for safely registering or initializing other entities; an intelligent device, which is arranged in an environment and is used for collecting and transmitting data; a gateway, which supports interconnection between different protocol networks and has computing and storage capabilities; a user, who accesses remote intelligent devices through a login device; and the login device, which is used for user trustworthiness verification. The login device includes but is not limited to a mobile device, an intelligent card and a PC. Through the system and method, the trusted authentication of remote users can be realized, and safe communication between the user and the intelligent device is established. Meanwhile, the application can also solve the problems of public key cryptography complexity, user authentication vulnerability and symmetric cryptography limitations.

Embodiments of the present application provide a chip, a physically unclonable function generator and a chip authentication method. The chip comprises a first magnetic conducting sheet, a die and a second magnetic conducting sheet, the die is arranged on the second magnetic conducting sheet, and the first magnetic conducting sheet is arranged on the die. The size of the first magnetic conducting sheet is greater than the size of a storage array in the die, the storage array comprises a data array and a physically unclonable function array, and the data array is located at the periphery of the physically unclonable function array. The chip is placed in an external magnetic field, and when the external magnetic field causes the second magnetic conducting sheet to reach a magnetic saturation state, the resistance state of part of the storage units in the physically unclonable function array is reversed. The working range of the physically unclonable function array is widened, so that it can work in a stronger external magnetic field.

The invention provides a cross-border data verification system and method, and the system comprises a data main body, an overseas receiver, and a domestic agent provided with a domestic trusted third party. And the data subject sends the first data security certification file of the target cross-border data and the data subject identity identifier to an overseas receiver. And the overseas receiver performs data encryption processing on the first data security certificate file and the data subject identity identifier to obtain a second data security certificate file and a cross-border service identifier, and sends at least one of the second data security certificate file and the cross-border service identifier to the domestic agent and the data subject. The domestic agent performs data verification on the target cross-border data based on a first data security certification file, a second data security certification file, a data subject identity identifier and a cross-border service identifier stored by the domestic trusted third party to obtain a target verification result, and sends the target verification result to the overseas receiver; therefore, the effect of improving the verification security of the cross-border data is achieved.

The utility model belongs to the technical field of bottle cap production, and particularly relates to a disposable anti-fake password bottle cap which comprises a bottle cap body, a plurality of anti-fake password bottle caps and a plurality of anti-fake password bottle caps, and the bottom of the bottle cap body is provided with a plurality of installation grooves. The top of the upper positioning ring is fixedly connected to the bottom of the bottle cap main body, a plurality of first holes are formed in the upper positioning ring, and the first holes are matched with the corresponding mounting grooves; the inner wall of the bottom of the T-shaped tear tape is fixedly connected with the bottom of the upper positioning ring; the top of the uppermost code wheel is fixedly connected with the bottom of the T-shaped tear tape, and the multiple code wheels are rotationally connected with one another. The bottle cap is locked in a coded lock mode, and the bottle cap can be opened only by inputting correct codes; the bottle cap cannot be opened by a normal means if the password is wrongly input, the use safety of the bottle cap can be greatly improved, counterfeiting is avoided, the mode is novel and has characteristics, and practicability is high.

The invention discloses a signal processing method and device for a transformer substation, electronic equipment and a storage medium, and is applied to the transformer substation. The method comprises the following steps: in response to a received request for transmitting a to-be-transmitted signal of a transformer substation, performing identity verification on the transformer substation and a master station based on an identity label of the transformer substation and an identity label of the master station; determining a session key for data transmission between the master station and the transformer substation based on the first random number corresponding to the transformer substation and the second random number corresponding to the master station under the condition that the identity verification of the transformer substation and the master station is passed; generating session information based on the session key and the to-be-transmitted signal; and sending the session information to the master station, and receiving a verification result sent by the master station, the verification result being used for representing whether the to-be-transmitted signal satisfies a preset standard. According to the invention, the technical problem of low safety of transformer station signal processing in the prior art is solved.

A composite two-dimensional code according to an embodiment of the present invention is a combination of a first two-dimensional code and a second two-dimensional code. The composite two-dimensional code includes a first cell having a first color, a second cell having a second color, and a third cell having a third color. The first color, the second color, and the third color are different from each other. The first two-dimensional code is acquired by a first filtering processing. The second two-dimensional code is acquired by a second filtering processing. The first filtering processing may be a color reduction processing or a color addition processing of the second color. The second filtering processing may be a color reduction processing or a color addition processing of the first color.

There is provided with a blockchain-based evidence data notarization system comprising a user terminal for transmitting the evidence data in accordance with a notarization request; a notary server for transmitting the generated hash value to the user terminal and a notary terminal, respectively; and a blockchain server for receiving a signature written in the hash value from the user terminal and the notary terminal, respectively and generating a smart contract block.

This application provides a chip, a physically unclonable function generator, and a chip authentication method. The chip includes a first magnetically conductive sheet, a bare die, and a second magnetically conductive sheet. The bare die is disposed on the second magnetically conductive sheet, and the first magnetically conductive sheet is disposed on the bare die. The size of the first magnetically conductive sheet is larger than the size of the memory array in the bare die. The memory array includes a data array and a physically unclonable function array, with the data array located around the periphery of the physically unclonable function array. When the chip is placed in an external magnetic field, and the external magnetic field causes the second magnetically conductive sheet to reach magnetic saturation, the resistance state of some memory cells in the physically unclonable function array flips. This broadens the operating range of the physically unclonable function array, enabling it to operate in stronger external magnetic fields.

The invention provides an end-to-end encryption tunnel method and system under a zero-trust security architecture, and relates to the technical field of network security, and the method comprises the steps: carrying out the unified management of identity credentials and access strategies of communication entities through a control plane, and verifying the identity when a first communication entity requests to access a second communication entity; after verification is passed, an authorization token is generated and sent to the first tunnel agent, and the first tunnel agent carries the token to initiate a connection request to the second tunnel agent; the second tunnel agent verifies the validity of the token by using the public key, and after the verification is passed, the two parties negotiate an encryption algorithm suite and execute key exchange to generate a session key; establishing an end-to-end encryption tunnel based on the session key to realize direct encrypted data transmission between two communication entities; and automatically destroying the session key and terminating the tunnel connection through effective duration control of the authorization token and a tunnel idle timeout mechanism. The method has the technical effect that the risk that sensitive resources are visited beyond authority or abused is reduced.

The invention relates to a paperless electronic signature system and method. The system comprises a presentation layer, a business layer, an integration layer and a data layer, the presentation layer is a working interface of a user and is responsible for interacting with the user; the business layer is used for packaging business logic and is responsible for processing business rules and decisions; the integration layer is used for realizing communication of the presentation layer, the service layer and the data layer; the data layer is used for storing and managing data; the display layer is in communication connection with the business layer, the business layer is in communication connection with the integration layer and the data layer, rich user interaction functions such as seal perforation, seal anti-counterfeiting, materialization gray scale and PDF production are provided for the display layer, the functions can greatly improve the use experience of a user, the concise architecture of the business layer, the integration layer and the data layer is achieved, and the user experience is improved. And the fault rate of the system is reduced.

An information processing system includes a first acquisition section acquiring first pattern data from electronic data, a second acquisition section acquiring second pattern data from a database, and a generation section combining the first pattern data with the second pattern data to generate a two-dimensional code. Further, an information processing system includes a first acquisition section acquiring first pattern data from electronic data and a generation section determining the first pattern data to generate a two-dimensional code including the first pattern data.