158results about How to "Prevent forgery" patented technology

The invention provides a trademark identification method and system based on an anti-counterfeiting code, and relates to the technical field of anti-counterfeiting identification, and the method comprises the steps: obtaining a to-be-identified trademark image, carrying out the preprocessing, generating a corresponding anti-counterfeiting code through employing an anti-counterfeiting code generation algorithm based on chaotic encryption, and embedding the generated anti-counterfeiting code into a standard trademark image, obtaining a trademark image carrying an anti-counterfeiting code, and carrying out code positioning on the trademark image to obtain a standardized anti-counterfeiting code image; decoding the standardized anti-counterfeiting code image to obtain an original bit stream of the anti-counterfeiting code, and verifying the validity of the original bit stream through Hash verification to obtain an anti-counterfeiting code verification result; and judging the authenticity confidence coefficient of the to-be-identified trademark image by using a pre-trained trademark authenticity judgment model, and outputting a final trademark identification result based on the anti-counterfeiting code verification result and the authenticity confidence coefficient of the to-be-identified trademark image in combination with a pre-acquired multi-source heterogeneous trademark identification evidence.

The invention discloses a data transmission protection method and a computer device. The method comprises the following steps: initializing a target system; disturbing an initial public key in the generated temporary key pair based on a preset differential privacy mechanism in initialization to obtain a first public key; the temporary key pair comprises an own private key and an initial public key; a first public key is exchanged through the initialized secure communication channel, and zero-knowledge proof information is generated; verifying the received first public key based on an initialized preset zero-knowledge proof system and zero-knowledge proof information, if the verification is passed, calculating a shared key according to the own private key and the received first public key, and obtaining a session key based on a key derivation function and the shared key; and encrypting to-be-transmitted original data based on the session key to obtain an encrypted data packet, and sending the encrypted data packet to a receiving end through the secure communication channel. According to the method, high efficiency, high security and high privacy of data transmission can be ensured.

The invention relates to the technical field of computer storage, in particular to an encryption method and related equipment. The encryption method comprises the following steps: generating a unique device identifier through a polymorphic ring structure, wherein the unique device identifier is used for generating a unique identifier and a key of the solid-state storage device; based on the generated device identifier, a multi-dimensional dynamic key is generated in combination with a multi-dimensional mixed function and is used for data encryption; and encrypting the segmented data by using a multi-dimensional dynamic key, and embedding a progressive vector check code into each data segment to enhance the security of the data segment level. According to the method, the defects of the existing solid-state storage equipment encryption technology in the aspects of key management, encryption mechanism, key irreversibility, real-time monitoring and the like are overcome, and all-around guarantee is provided for data storage security.

The invention belongs to the field of privacy protection data, and provides a privacy protection data exchange method and system under a zero-trust network architecture in order to solve the problem that a traditional scheme cannot cope with the privacy leakage risk through data analysis. The privacy protection data exchange method under the zero-trust network architecture comprises the following steps: performing tagging processing on user behavior data, equipment state data and operation environment data; executing multi-dimensional dynamic risk assessment, and calculating a comprehensive risk score; adjusting privacy budget and noise intensity according to a comprehensive risk scoring result, and protecting a data query result in combination with an adaptive differential privacy mechanism; performing dynamic data desensitization based on information entropy on a data query result; embedding a self-evolved data watermark into the data after the data query result desensitization processing is completed; the embedded watermark data is exchanged through the encrypted transmission channel, and the transmission process is monitored in real time, so that the security and integrity of the data exchange under the zero-trust network architecture are ensured.

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 discloses a power meter reading concentrator remote upgrading system and method based on a 4G communication module. The system comprises a power meter reading concentrator, a remote server, a management terminal and a security authentication module. The concentrator is internally provided with a 4G communication module and establishes secure communication with a remote server through a 4G network, so that remote upgrade of firmware or software is realized. The system adopts block transmission and breakpoint resume technologies, and it is ensured that the upgrade package can still be efficiently and completely transmitted under the condition that the network is unstable. In the upgrading process, SSL / TLS encryption is adopted for data transmission, and safety is guaranteed; meanwhile, the system has self-checking and rollback functions, and it is ensured that the system automatically recovers to a safe state when upgrading fails. According to the invention, the upgrading and maintenance efficiency of the electric power meter reading system is remarkably improved, the operation and maintenance cost is reduced, and the reliability and safety of the system are improved.

The invention relates to an insurance slip anti-counterfeiting method based on a two-dimensional code, and the method comprises the steps: obtaining insurance slip data information which comprises an insurance slip number, a product code, an insurance applicant name and an insurance applicant identity certificate number; obtaining a unique identity identifier of a business operator, and performing MD5 hash operation on the identifier to generate a signature string; the generated signature string is used as an encryption key, the insurance slip data information is used as an encryption original text, and encryption operation is carried out to generate an encrypted data string; and converting the generated encrypted data string into two-dimensional code graph data, and embedding a two-dimensional code graph into the insurance slip to form the insurance slip of the anti-counterfeiting two-dimensional code graph. By encrypting the insurance policy information and generating the two-dimensional code, the insurance policy content is effectively prevented from being tampered and counterfeited, the security and authenticity of data are ensured, the anti-counterfeiting performance of the insurance policy information is improved, the workload of manual auditing is reduced, the auditing efficiency is improved, and the risk in the business process is reduced.

The invention discloses a concrete test block anti-counterfeiting system and an anti-counterfeiting method, and belongs to the technical field of concrete detection. Comprising an anti-counterfeiting designation card, and a sample preparation end and a laboratory end which communicate with a server and identify the anti-counterfeiting designation card, the anti-counterfeiting designation card comprises a substrate, an identification code and a direction mark which are arranged on the front surface of the substrate, and a bending pin for fixing the substrate, and the laboratory end carries out anti-counterfeiting verification by identifying the installation direction, angle and distance of the anti-counterfeiting designation card. According to the invention, the anti-counterfeiting security is obviously improved, the reliability is enhanced, the verification efficiency is improved, and the adaptability to the environment is improved; meanwhile, a laboratory and a supervision platform are accessed to realize connection and integration with an existing system; besides, the system is set according to the national building material management standard, is compatible with other quality control systems, is convenient to integrate into the existing management system, promotes the industrial standardization process, and reduces the implementation cost.

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 relates to a webpage tampering detection method based on a block chain technology, and the method comprises the steps: S1, initializing distributed storage nodes, synchronizing block chain data between different storage nodes, and verifying the data integrity and legality of a newly added node; s2, carrying out data acquisition on a webpage to be detected, and representing the content of the webpage to be detected as a computable data structure; s3, performing hash operation on the data structure to generate a unique digital fingerprint; s4, constructing a transaction by using the digital fingerprint, and performing propagation and verification; s5, constructing a new block, and performing broadcasting and verification; and S6, regularly verifying the record on the block chain according to requirements to determine whether the webpage is tampered or not. The invention further provides a webpage tampering detection device based on the block chain technology and a storage medium.

The invention belongs to the technical field of equipment communication control, and particularly relates to a remote control system and method adopting a national secret algorithm. The system comprises a server which is used for forwarding communication data of a security controller and a user terminal and decrypting and verifying data uploaded by the security controller; the user terminal is used for receiving an operation command input by a user and sending a remote control command to the safety controller through the server; the Bluetooth UKEY is internally provided with a digital certificate for providing encryption and decryption of a communication process and digital signature and signature verification processing of communication data; the security controller is internally provided with a digital certificate for receiving the remote control command forwarded by the verification server, and an encryption chip for providing encryption and decryption in a communication process and digital signature and signature verification processing of communication data; encryption and decryption in the communication process use an SM4 symmetric encryption algorithm, and digital signature verification uses a national cryptographic SM2 asymmetric encryption algorithm. According to the method, the key security in the whole process can be ensured, and attacks such as tampering and forgery of intermediate links to data are avoided.

The invention discloses a network data processing method and a storage medium, and the method comprises the steps: a data transmitting end obtains network operation data, carries out the division of the network operation data, and determines a plurality of target data blocks of a first length corresponding to the network operation data according to a division result; the data sending end encrypts each target data block through an initialization vector to obtain a ciphertext data block corresponding to the target data block, and generates a data authentication tag corresponding to the ciphertext data block; and the data sending end sends the ciphertext data block and the data authentication tag to a data receiving end, so that the data receiving end performs security verification on the ciphertext data block through the data authentication tag and decrypts the network operation data through the initialization vector and the ciphertext data block. Confidentiality and integrity protection of data in the transmission process can be achieved, and safe transmission and verification of network operation data are ensured.

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 decentralized identity authentication method using a DID technology, and the method comprises the following steps: S1, generating a public key and a private key by a user, and generating an identity identifier by using the public key; s2, the user combines the identity data with the identifier, encrypts the identity data and the identifier, and stores the encrypted identity data and identifier on the block chain; s3, the third-party authentication mechanism issues a verifiable certificate based on the identifier; s4, the user manages the verifiable certificate, signs the identity verification request by using a private key, and sends the signed identity verification request to the verifier; s5, the verifier verifies the validity of the signature through the public key on the block chain; s6, recording verification time, a signature and a result, and storing the verification time, the signature and the result on the block chain; s7, the user can recover the lost private key or identity identifier through multiple signatures or other mechanisms; and S8, providing a user-friendly interface, supporting cross-platform migration of identity data, following open standards and protocols, and establishing a transparent governance mechanism. According to the method, the block chain and the advanced encryption technology are combined, and safe storage and privacy protection of identity data are realized.

The invention discloses a file data circulation security system based on a block chain technology, and the system deploys block chain nodes based on the block chain technology, and constructs a block chain network system. An upper-layer application is established on the basis of digital identity authentication, a security policy smart contract, process management and control and uplink log auditing, and the upper-layer application comprises a block chain background management module, a file storage cloud service module and a component core capability module; in a business application level, a data owning party and a data using party can realize safe circulation of data through encryption authorization and authorization decryption services provided by the platform. According to the method, data privacy can be protected, data traceability and non-tampering performance are achieved, and meanwhile efficient data circulation and cross-platform interoperability can be achieved.

The invention discloses an electronic digital signature system and method, particularly relates to the technical field of digital signatures, and comprises a digital signature extraction module, a signature verification module and a batch signature generation module. The method specifically comprises the following steps: S1, digital signature extraction; S2, signature verification; and S3, batch signature generation. According to the method, the review efficiency can be improved, the signature safety is ensured, the signature can be taken at any time, encryption and decryption integrated management is realized, the signature can be generated in batches, the accuracy is ensured, and meanwhile, the signature extraction accuracy is improved by adopting an advanced technology.

The invention discloses a security authentication system and method for data transmission of vehicle-mounted equipment, and the system comprises an identity authentication module which is used for issuing digital certificates to the vehicle-mounted equipment and a remote data center through a public key infrastructure system, and achieving the identity authentication; the data encryption module is used for encrypting the transmitted data by using a secure socket layer or transport layer security protocol to ensure the confidentiality of the data; the data integrity verification module is used for performing abstract calculation on the data by using a hash function in a data transmission process to generate a data fingerprint; the access control module is used for implementing a strict access control strategy in the remote data center and limiting the access authority to the vehicle data; and the log auditing module is used for deploying a log auditing system in the vehicle-mounted equipment and the remote data center and recording all operations and behaviors related to security authentication. According to the invention, the vehicle-mounted equipment can be ensured to have high security during data transmission.

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 provides an intelligent gold wire bonding equipment cluster control method and system based on an environment internet of things, belongs to the technical field of the internet of things, and is used for ensuring the safety of inventory information. The method comprises the steps that an AIoTF sends an inventory request to a reader, the inventory request indicates the reader to carry out inventory on equipment located in a coverage area of the reader, and the equipment is intelligent gold wire bonding equipment; the AIoTF receives response information returned by the reader, the response information comprises device identifiers of M tags and an identifier of the reader, M is an integer greater than 1, and the device identifier of each tag in the M tags correspondingly indicates one intelligent gold bonding wire device for setting the tag; the AIoTF uses the equipment identifiers of the M tags to verify the identifier of the reader; wherein if verification of the identifier of the reader is passed, the identifier of the reader is the identifier scrambled by the equipment identifier using the M tags, and then the inventory is successful, otherwise, the inventory is failed.

The embodiment of the invention relates to the technical field of information security, and discloses a task proving method and device, a task execution method, equipment and a medium, and the task proving method comprises the steps: obtaining a task parameter containing an input parameter, a task identifier and a timestamp, and generating a first key and a parameter value based on a hash function and the task parameter; generating a first verification parameter based on the parameter value, the first key and the first value; sending the task identifier, the parameter value and the first key to a server, receiving a calculation result which is sent by the server and corresponds to the task identifier, and if the first verification parameter is smaller than a second numerical value, receiving a difficulty threshold value, a second difficulty value and a first variable value which are sent by the server; a third difficulty value is generated based on the hash function, the parameter value and the first variable value, and if the third difficulty value is equal to the second difficulty value and smaller than the difficulty threshold value, it is proved that the calculation task is executed. An interactive step of hash computation verifies that the compute task is executed. And the accuracy of verifying the execution of the calculation task is improved.

The invention discloses a medical information data intelligent encryption method based on a digital signature. The method comprises the following steps: S1, acquiring medical information data; s2, adopting a public key infrastructure and a hash function to generate a digital signature of the medical information data; s3, performing data anonymization and desensitization processing on the medical information data, and removing sensitive information through a privacy protection technology; s4, introducing a machine learning algorithm and a rule-based encryption strategy, dynamically analyzing the type, sensitivity and user behavior of the medical information data, and intelligently selecting an encryption algorithm; s5, adopting a symmetric encryption and asymmetric encryption combined method to quickly encrypt a large amount of medical information data; and S6, performing secure storage and transmission on the encrypted medical information data and the encrypted symmetric key, and recording the signature and encryption process of the medical information data by using a block chain technology. The system has the advantages of high security, high intelligence, comprehensive privacy protection and transparent data processing.

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 discloses a metering certificate anti-counterfeiting authentication system and method based on a block chain. The system comprises an electronic certificate anti-counterfeiting module, a local database, a block chain database and a client. The electronic certificate anti-counterfeiting module generates an original electronic metering certificate, performs anti-counterfeiting on the original electronic metering certificate and the modified electronic metering certificate through a certificate signature and a two-dimensional code, and cancels the original electronic metering certificate and the modified electronic metering certificate through a cancellation signature; the local database stores metering electronic certificates, original metering data and temporary data in the modification and cancellation process in a classified mode, an electronic metering certificate storage ID address is generated, and the block chain database stores hash encryption values, electronic signatures, certificate information and the electronic metering certificate storage ID address of the electronic metering certificates; and the client provides certificate query and authenticity identification services for the user. According to the invention, the electronic metering certificate can be effectively prevented from being tampered, and the integrity and authenticity of the electronic metering certificate data are improved.

The invention relates to the technical field of computer processing, and provides an electronic signature generation and verification method which comprises the following steps: acquiring an initial file; performing anti-counterfeiting operation based on the initial file to obtain first signature information; embedding the first signature information into the initial file to obtain a first intermediate file; performing signature operation on the first intermediate file based on a digital certificate to obtain a first signature value; embedding the first signature value into the first intermediate file as second signature information to obtain a second intermediate file; performing signature operation on the second intermediate file based on credible timestamp information to obtain a second signature value; and embedding the second signature value into the second intermediate file as third signature information to obtain a target file, according to the embodiment of the invention, through a multi-level security mechanism, the legality and anti-counterfeiting capability of the file signature can be effectively ensured, and the file is prevented from being forged, tampered, copied or illegally used.

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.

The invention relates to the field of access control, in particular to an access control method and system based on the ultrahigh frequency RFID technology, and the method comprises the following steps: S1, setting a multi-antenna array through distributed layout according to the size, shape and personnel flow condition of an access control area; s2, according to a Hyperledger Fabric block chain platform, nodes are deployed at different positions through a distributed node architecture; s3, the artificial intelligence model is trained by collecting data in the access control system, the trained artificial intelligence model analyzes and detects the data in the access control system in real time, and abnormal behaviors and events are recognized; and S4, displaying each data in the access control system on a management platform in a visual mode, and providing data analysis and optimization management according to an authority management mechanism. The safety of the access control system can be improved, the reliability of the access control system is improved, the intelligent level of the access control system is enhanced, and the management efficiency of the access control system is improved.

The invention relates to a method and a device for sending a vehicle control message of a vehicle-mounted intelligent terminal. I, transmitting identity information through the agent module; 2, the proxy module encrypts the identity information of the proxy module according to the secret key and applies for a gateway; 3, the gateway module decrypts the identity information and verifies data legality; 4, issuing the vehicle control instruction through the agent module; 5, encrypting the vehicle control instruction; 6, the gateway module decrypts the instruction and verifies the instruction; the validity of the gateway, the identity information, the message information and the timestamp; 7, finding out the corresponding gateway, and carrying out reverse inquiry on the agent module to check whether the information is issued by the application or not; and 8, correctly issuing the vehicle control information after verification. According to the invention, accidents can be reduced or avoided, vehicle control command information is prevented from being counterfeited through unknown applications and unknown means, and the problem of vehicle control capability loss and tampering caused by external invasion on the vehicle-mounted intelligent terminal is solved.

The invention provides a one-object one-code traceability management packaging box based on a variable printing technology, which comprises a packaging box main body, a variable printing area arranged on the packaging box main body and a traceability management system, a unique identification code is printed in the variable printing area through the variable printing technology, and the identification code is directly associated with a single commodity. Each commodity is ensured to have a unique identity label; and the traceability management system is used for storing and managing all the unique identification codes and related traceability information. According to the one-object one-code traceability management packaging box based on the variable printing technology, a unique identification code is distributed for each commodity, and the unique identification code and the commodity information are stored in the traceability management system in an associated mode, so that a consumer can easily obtain detailed information of the commodity by scanning a two-dimensional code, and the traceability management efficiency is improved. Comprising production dates, production batches, manufacturers, quality detection reports and the like, so that the transparency and the traceability of commodities are greatly improved.