32 results about "On-the-fly encryption" patented technology

The present application relates to the technical field of federated learning, in particular to a federated learning-based information big data privacy protection collection method and system, comprising the following steps: calculating a privacy sensitivity coefficient according to data attributes, perturbing and recombining a privacy gradient according to the coefficient, calculating gradient bias variance to construct a node contribution table, performing secure weighted aggregation based on the contribution table and the privacy gradient, calculating an encryption parameter to generate a global ciphertext parameter set, updating a global model and constructing a privacy feedback table.In the present application, the sensitive coefficient is used to replace the original feature field operation by regulating the perturbation limit in the training stage, the underlying sample hidden distribution is maintained to completely block the security collapse caused by the aggregation of plaintext, the evaluation system is constructed by calculating the cross-period bias variance to perform weighted aggregation, the weight of the heterogeneous terminal is balanced to correct the evolution direction deviation, the dynamic encryption parameter is injected into the global sequence to establish a ciphertext lossless defense line to resist flow disassembly interception and monitoring.

This invention relates to the field of data encryption transmission technology, specifically disclosing a dynamic encryption method and system for secure transmission. The method includes: first, acquiring input parameters of the data to be transmitted and generating an initial encryption key; processing the data to be transmitted in blocks and determining the importance level of each data block; performing layered initial encryption transmission on each data block according to its importance level; collecting dynamic status parameters of the transmission link to generate key update parameters, adjusting the current encryption key to obtain an updated encryption key; detecting whether there are security risks in the transmission link, and if so, using an upgraded encryption algorithm and an updated encryption key to re-encrypt the incomplete data blocks and continue transmission through a backup encryption link; finally, decrypting the encrypted data blocks to obtain the original data blocks and performing integrity verification. This invention effectively solves the problems of easy key leakage, insufficient security, and low encryption efficiency in traditional static encryption methods.

The application relates to a gas household security check anti-cheating method and system, aiming to solve the problems of easy forgery, positioning simulation and single verification dimension of static two-dimensional codes in the prior art. The method comprises the following steps: generating an electronic dynamic two-dimensional code containing a dynamic encryption factor and a geographic position based on user historical data; when a security check personnel scans the code, the system performs real-time multiple verification on the validity of the two-dimensional code, the position proximity and the consistency of the encryption factor; after the verification, the security check is performed and the on-site photos are uploaded; whether the photos have repetition, blur or object missing abnormalities is analyzed through image recognition technology; finally, quantitative evaluation and state management are performed based on the results. Through the combination of dynamic encryption, multiple real-time verification and intelligent image analysis, a three-dimensional anti-cheating system is constructed, and the authenticity, reliability and management efficiency of the household security check are significantly improved.

The application relates to the technical field of key generation, in particular to a data encryption and key generation method for online payment, which comprises the following steps: extracting a touch rhythm to generate a sequence, performing round encoding to construct a bit structure, and combining amount information to generate a key. In the application, user touch behavior characteristics are converted into a rhythm sequence, a dynamic encryption basis is constructed through sequence rotation and bit mapping mode, a user behavior level parameter is introduced in the key generation process, payment behavior and transaction data are deeply bound by fusing amount section labels, the key generation no longer depends on fixed rules or external key negotiation process, independent key output on the terminal side is realized through sequence structure reorganization and template parameter matching, the individuality and unpredictability of the key are improved, the identification ability for imitated behavior and the protection effect for man-in-the-middle attack are enhanced, and the problems of static characteristics and response lag of the traditional key mechanism in actual deployment are effectively alleviated.

This invention discloses a method and system for data security encryption and multi-party computation privacy protection in e-commerce platforms, relating to the field of data security technology. It includes the following steps: Step 1, collecting the lifecycle status and multi-party computation task types of data from the e-commerce platform and participating parties, and identifying the data sensitivity level using regular expression feature extraction technology, whereby the sensitivity level includes core sensitivity and general sensitivity; Step 2, dynamically recommending suitable encryption algorithms and corresponding encrypted computation methods based on the lifecycle status, sensitivity level, and multi-party computation task type; Step 3, achieving hot switching of ciphertext between different encryption algorithms. This invention, by setting a three-dimensional parameter-driven dynamic encryption recommendation method, solves the problem of poor adaptability between existing encryption algorithms and data characteristics and computational requirements, leading to insufficient privacy protection or low computational efficiency, and achieves precise security protection throughout the entire data lifecycle.

The present disclosure provides various devices, systems, and methods for securely providing a personal identification number (PIN), for securely accepting a PIN, and for authenticating a transaction based on a securely provided PIN. In one aspect, a method for securely providing a user PIN can include receiving, by a portable electronic device, a device key provisioned by a server. The device key can be associated with a payment card. The method can further include receiving, by the portable electronic device, a request for an encrypted PIN to authenticate a transaction initiated using the payment card and generating, by a PIN encryption application executed by the portable electronic device, the encrypted PIN based on the user PIN and the device key. The encrypted PIN can be provided to an access device. The access device can be configured to communicate the encrypted PIN to the server.

This application provides a smart management device for a financial USB key based on dynamic encryption, relating to the field of financial security equipment technology. It includes: a USB key body; an interface disposed at one end of the USB key body; a recess disposed on the interface; and a sliding cover containing an inner cavity, slidably disposed on the USB key body and covering the interface through the inner cavity. This application achieves both dynamic protection and stable insertion of the interface through the synergistic action of the sliding cover and an elastic element. When the device housing abuts against the sliding cover, it drives the elastic element into a semi-rigid state, pulling the rolling shaft to deform the spring sheet, forming a compression protrusion inside the device, making it difficult for the USB key to accidentally dislodge and ensuring a stable connection. When the sliding cover is closed, the structural characteristics of the elastic element enhance its sealing effect.

The application provides a flow-aware-based zero-trust dynamic encryption routing method, device and equipment. The method comprises the following steps: when a first to-be-processed packet is received through a zero-trust security tunnel in a data plane, determining identity features and behavior features corresponding to the first to-be-processed packet; performing decryption operation on the first to-be-processed packet through target key information corresponding to the zero-trust security tunnel to obtain a second to-be-processed packet after decryption operation; if there is a first forwarding strategy matching the identity features in the data plane, determining a routing action of the second to-be-processed packet based on the first forwarding strategy; performing operation on the second to-be-processed packet based on the routing action; when the identity features and the behavior features are received through a control plane, determining a second forwarding strategy matching the identity features based on the behavior features, and updating the second forwarding strategy to the data plane. Through the application scheme, the amount of data mirrored to the control plane and the CPU load are reduced under the premise of maintaining zero trust.

The application provides a multi-agent power distribution network scheduling method and device based on information dynamic aggregation, relates to the technical field of power system operation control, and divides the power distribution network into multiple control areas, establishes a scheduling optimization model, is further converted into a Markov game model, constructs a reinforcement learning agent for distributed optimization, constructs a distributed learning architecture, each agent independently executes decision-making and model updating based on local observation, avoids global information sharing, and effectively protects the data privacy of each area. Using the optimized reinforcement learning agent, the local observation variables at the current time are dynamically encrypted to generate each encrypted local information, realize information encryption of each agent in the information interaction process, and further reduce the risk of privacy leakage. Real-time scheduling is completed by dynamically generating aggregation weights, the collaborative efficiency and decision-making performance of the multi-agent are improved, and the problems of low collaborative efficiency caused by privacy leakage risk and static aggregation strategy are solved.

A five-axis machining center and its intelligent monitoring method and device are disclosed, relating to the field of intelligent monitoring technology for five-axis machine tools. The method includes: collecting temperature, vibration, and cutting force data to establish a correlation model; establishing a three-level calibration model, first measuring position error, then calculating sensor measurement deviations, iteratively correcting deviations, and outputting accurate data; first extracting local features of physical quantities, then mining the temporal correlations between physical quantities, and finally synchronizing the clock; modeling environmental interference, axis status, and the cutting process as a network of correlated nodes, identifying fault propagation paths, and predicting accuracy change trends; performing diagnostics according to machining stages; updating axis trajectories in real time, mapping the temperature field and stress distribution of the workpiece area; adjusting parameter weights according to machining stage objectives, pushing instructions to the CNC system, and switching to backup parameters upon instruction execution timeout; establishing a dual blockchain of physical entity and twin simulation, setting dynamic encryption and hierarchical permissions, forming a virtual-physical correlation traceability chain.

The application discloses a kind of self-adapting encryption SSD hard disk based on multimodal big model and its encryption method, and its main control unit includes: multimodal identification module, based on the modal characteristic of light-weight big model real-time extraction write data and sensitive coefficient;Dynamic encryption decision module, according to characteristics and coefficient adaptive matching encryption algorithm and key strategy;Hardware encryption engine, integrated with a variety of encryption algorithm hardware acceleration, realize low delay decryption;Key management module, using two-level key architecture, support key dynamic derivation and physical isolated storage.The application is also matched with the corresponding encryption method, including data writing and reading stage, realize data identification, dynamic encryption, integrity check and key rotation.The application realizes the intelligent perception and dynamic encryption of multimodal data through software and hardware collaborative design, maintains the high-speed read-write performance of SSD while ensuring high security, the loss is less than 7%, and is suitable for high-security and high-performance storage scenarios.

The application discloses an API interface calling method and device, equipment, medium and product, and relates to the technical field of big data. The method comprises the following steps: obtaining a service request initiated by a client application and a pre-created BPMN process model, and performing instantiation; calling a service task node according to a flow rule in combination with dynamic parameters and a pre-configured alias mapping table to obtain a service result; and dynamically encrypting the service result by using a block chain technology in combination with a UUID, generating response data, and sending the response data to the client. By abstracting the interface calling into a visual BPMN process model and combining static parameters with dynamic parameters, the execution out-of-order problem caused by the dependence on the configuration table order is avoided, the limitation of static configuration is broken through, the complex scene is adapted, the heterogeneous fields of different APIs are unified by using the pre-configured alias mapping table, the heterogeneous adaptation problem is solved, the development cost is reduced, and the end-to-end trusted transmission chain is constructed in combination with a dynamic encryption mode, so that the high-level risk is resisted.

The present application relates to the cross field of chip burning and information security encryption, and discloses a chip security burning dynamic encryption verification system and method. The system is composed of seven core modules, and seven core technologies of PUF hardware unique binding, two-way challenge-response authentication, streaming segmented chain encryption, block-by-block real-time verification, six-state adaptive security state machine, key life cycle management and control, and whole-process encryption log tracing are fused. The method is divided into three stages of preparation before burning, dynamic encryption real-time burning and post-burning, realizes one session one key, one chip one binding, whole-process ciphertext transmission and real-time verification, and triggers hierarchical processing and hardware fuse in abnormality. The present application solves the problems of low security, verification lag and key management loss in traditional burning, greatly improves the security, production efficiency and compliance of burning, and is suitable for high-security chip production burning scenes such as automotive, industry and finance.

The application discloses a two-dimensional code full life cycle tracking management system based on dynamic encryption, relates to the technical field of two-dimensional code tracking management, and achieves dynamic generation and security binding of two-dimensional code content by constructing a target object life cycle state sequence diagram, dynamically generating a two-dimensional code coding index based on a current state, a device environment and time factors, and combining a multi-factor asymmetric encryption mode; meanwhile, legality verification of two-dimensional code access behavior is carried out through path consistency verification and state chain continuity judgment, and two-dimensional code effectiveness is judged in combination with an environment deviation detection mechanism; compared with the prior art, the application can effectively prevent two-dimensional code forgery, replay and unauthorized access, improve the uniqueness, verifiability and security of two-dimensional codes in the full life cycle, and is suitable for high-security product tracking, anti-fake authentication and multi-stage identity recognition scenes.

This application discloses a crowdsourcing data security protection method and system based on dynamic encryption and behavior traceability. It constructs a multi-dimensional assessment model of data risk and tester qualifications, dynamically adjusting encryption algorithm strength, key update cycle, and access permissions based on the matching relationship between data risk scores and personnel qualification scores, replacing the existing fixed encryption and broad authorization model. It constructs behavioral profiles based on tester historical operations, performs deviation analysis on real-time operations to identify abnormal behavior and trigger tiered handling. The hash values ​​of sensitive data access and abnormal behavior-related logs are written to the blockchain, forming an immutable, end-to-end traceability chain. This application solves the problems of encryption strategy mismatch with data risk, delayed anomaly detection, and weak traceability capabilities in crowdsourcing scenarios, achieving a balance between data protection strength and testing efficiency, and is suitable for data security management in crowdsourcing platforms with high security requirements.

This application discloses an IoT device control method, device, and storage medium, relating to the field of IoT device management technology. The method includes: receiving an IoT device registration instruction transmitted from an edge gateway, generating first key information, and completing device binding processing; responding to a device control instruction and authentication information sent by a user, performing security verification processing based on the authentication information, and generating a dynamic encrypted instruction according to the first key information and the device control instruction; sending the dynamic encrypted instruction to the edge gateway, so that the edge gateway performs protocol conversion on the dynamic encrypted instruction and then distributes it to the bound IoT device, triggering the IoT device to receive the dynamic encrypted instruction, perform instruction verification on the dynamic encrypted instruction, and execute the device control operation corresponding to the dynamic encrypted instruction after successful verification. This application effectively eliminates reliance on cloud relay, reduces security risks associated with public network transmission, and improves the overall security of device control interaction.

This invention relates to the field of data encryption technology, specifically to a dynamic encryption and decryption method based on an iterative multi-generational model. The method includes: training a decryption model, saving model state snapshots according to preset iteration nodes during training; searching for a corresponding set of valid vectors in the latent space for each symbol in the plaintext space of the model state snapshot; establishing a cipherbook for each model state snapshot based on the correspondence between symbols and valid vector sets; assigning a model index to each symbol in the plaintext sequence to be encrypted, searching the corresponding cipherbook based on the iterative model index, using a selection function to find the valid vector corresponding to the symbol in the corresponding cipherbook, and adding the model index to the valid vector; searching for the corresponding model state snapshot in the iterative model library based on the model index, inputting the valid vector into the corresponding model state snapshot, and obtaining the recovered plaintext symbol. This invention significantly improves the robustness and anti-analysis capability of the encryption system.

The application belongs to the technical field of data storage, and particularly relates to a data security storage system based on network security, which comprises a hierarchical multi-mode static data encryption module, an independent hardware-level key management module, a lightweight network dynamic encryption module, a network security adaptation and encryption scheduling module, a data storage medium adaptation module and an encryption state monitoring and abnormal protection module; in the application, the hierarchical multi-mode static encryption module is used to replace single static encryption, and adapt to all-scene static storage; the hardware-level key management module realizes physical isolation of keys, eliminates the risk of key leakage, and the lightweight dynamic encryption module solves the contradiction between low encryption efficiency and poor security in transmission and calling; in combination with the scheduling, adaptation and monitoring modules, network environment and encryption mechanism are linked, and finally the core pain points of the existing system encryption technology limitations, inability to balance security and efficiency and loose key management are completely solved.

The present application relates to the technical field of cloud computing data security, and more particularly to a cloud platform multi-organization data synchronization method and system. The method determines the sensitivity level of sensitive data by extracting the data attribute identifier of the sensitive data, and accordingly selects the encryption strength for encryption to generate encrypted data and a key. The access rights are associated with the key and stored. The encrypted data is stored to the target cloud platform, and when a user requests access, the rights are verified and the corresponding key is obtained, the data is decrypted and the access range is controlled according to the rights, and the result is returned. The present application realizes dynamic encryption according to data sensitivity and fine-grained permission control, and improves the security and accuracy of cross-organization data synchronization.

The application discloses an installation package dynamic encryption and transmission method based on an edge node, relates to the field of information security distribution, and comprises the following steps: a center server performs an encryption operation on original code of a to-be-processed installation package to obtain ciphertext code, selects an insertion position in a continuous byte sequence of the ciphertext code, and respectively writes placeholder byte data to generate a blank placeholder; the center server sends the ciphertext code carrying the blank placeholder and an interference instruction dictionary containing a plurality of interference instruction sequences to an edge node; the edge node receives an installation package download request of a terminal, triggers a random number generator to generate a random index value, extracts a target interference instruction sequence from the interference instruction dictionary by using the index value, respectively writes the target interference instruction sequence into corresponding insertion position combinations to generate a target installation package, and transmits the target installation package to the terminal. The application solves the problems that the edge node is prone to clear text leakage and excessive consumption of computing power when performing dynamic confusion in an untrusted environment.

Systems, computer program products, and methods are described herein for dynamically encrypting network-based interactions based on evaluated infrastructure security. The present disclosure is configured to evaluate a set of infrastructure security within a network-based interaction. The system includes evaluating a set of infrastructure security within a network-based interaction. The set of infrastructure security for the network-based interaction may comprise at least one node and a layer of security protocols. The system may further include assessing the set of infrastructure security for the network-based interaction, wherein the set of infrastructure security is assessed on a set of predetermined criteria. The system may include encrypting the network-based interaction based on assessment of the infrastructure security for the network-based interaction, with encryption complexity correlating to assessment of the set of infrastructure security for the network-based interaction.

This invention belongs to the field of artificial intelligence communication technology and discloses a method and system for hierarchical trusted collaboration and business closed-loop management of communication intelligent agents in government systems. Addressing specific technical problems in government systems such as the lack of cross-departmental hierarchical trusted authentication, breakpoints in government business flow collaboration, and an imbalance between security and efficiency in sensitive data transmission, the invention constructs a government-specific hierarchical trusted authentication system, designs a business flow collaboration closed-loop algorithm, and proposes a dynamic encryption and transmission optimization mechanism for sensitive data. This achieves a technological upgrade for government communication intelligent agents, moving from extensive collaboration, segmented management, and fixed security protection to hierarchical trusted collaboration, full-process closed-loop management, and dynamic security adaptation.

This invention discloses a secure transmission method, device, and medium for environmental protection monitoring data, relating to the field of environmental protection monitoring technology. The method includes: collecting environmental protection monitoring data and attaching sampling timestamps to the data; simultaneously using a GIS spatial registration algorithm to perform coordinate system transformation and spatial interpolation to generate an environmental spatiotemporal feature vector; using a SHA hash function to perform hash transformation and orthogonalization processing on the environmental spatiotemporal feature vector to form a dynamic encryption matrix; and performing block-based XOR encryption on the environmental protection monitoring data according to the dynamic encryption matrix to obtain preliminary encrypted data blocks. This invention achieves deep coupling between the encryption key and the environmental protection monitoring data through the SHA hash function, and enhances the proactive defense capability during data transmission using a dual verification model, thereby improving the overall intelligence level of protection.

The application discloses a blockchain-based intelligent customer service AI model privacy protection system, belonging to the cross field of artificial intelligence and blockchain technology, and comprising five modules of model security deployment, dynamic privacy processing, blockchain permission management, smart contract auditing and abnormal monitoring optimization. The system is supported by a hybrid chain distributed ledger of a consortium chain and a public chain as a core storage support, and is combined with privacy protection algorithms of asymmetric encryption, hash encryption and zk-SNARKs zero-knowledge proof, and combined with technical means of AI model optimization, dynamic encryption adaptation, AI intent recognition and data desensitization to construct a multi-level integrated privacy protection system. The system realizes the whole life cycle privacy protection of customer service interaction data, model training data and AI models from collection, training, deployment, calling to circulation and destruction, and through dynamic encryption strategies, fine permission management, automatic compliance auditing and full-dimensional abnormal monitoring, the system gives consideration to privacy protection safety, system operation efficiency and compliance.

This invention discloses a network security protection method and system for power grid operation and maintenance emergency repair with integrated information encryption, belonging to the field of network security protection technology. The method includes: generating a first dynamic physical layer key; acquiring power grid operation and maintenance emergency repair service data to be transmitted, performing physical layer waveform encoding on the service data to generate an implicitly encrypted transmission waveform; sending the implicitly encrypted transmission waveform to a communication receiving end via a communication channel, extracting the current channel impulse response of the communication channel, and generating a second dynamic physical layer key; and implicitly decrypting the transmission waveform at the communication receiving end according to the second dynamic physical layer key to recover the service data. This invention solves the technical problem in the prior art where the power grid operation and maintenance emergency repair network lacks a dynamic encryption protection mechanism combined with the communication channel state during data transmission, leading to the vulnerability of transmitted data to interception or cracking. It achieves the technical effect of improving the data transmission security and anti-cracking capability of the power grid operation and maintenance emergency repair network.

The application discloses a multi-level encryption and intelligent clustering storage optimization method and system for electronic invoices, and relates to the technical field of data information security. The application comprises the following steps: extracting multi-dimensional features of electronic invoices and quantifying, establishing a feature vector of the electronic invoices, and initializing a dynamic weight matrix to distribute the initial influence weight of each feature; based on the feature vector and the dynamic weight matrix, the dynamic encryption intensity coefficient of each invoice is calculated through an activation function to implement progressive encryption processing; the encrypted invoice data is reconstructed into a new feature vector, and the storage space is pre-distributed according to historical data to optimize the physical layout; a three-level storage mapping structure is constructed through the clustering result, the storage block capacity is monitored in real time, and the storage space is dynamically expanded to form a circular linked list structure; according to the value range of the encryption intensity coefficient, a key fragmentation strategy is selected differently, and the key fragments are stored in the local or distributed nodes through a threshold scheme.

This invention discloses an interface encryption method based on a request interception mechanism, relating to the field of network security technology. The method includes processing flows on both the client and server sides. On the client side: After responding to a user operation and generating a business request carrying original data, a preset request interceptor is invoked to intercept the request. The interceptor performs local encryption processing on the original data to obtain encrypted data, specifically including obtaining a timestamp and client identifier to generate a dynamic key, and using this key to encrypt the original data. Subsequently, the original data in the business request is replaced with encrypted data, forming an encrypted request, which is then sent to the server. On the server side: After receiving the encrypted request, the encrypted data, timestamp, and client identifier are parsed. The validity of the timestamp and client identifier is first verified. After successful verification, the dynamic encryption key is restored using the same algorithm, and then the original data is decrypted to execute the business logic. This invention achieves unified and transparent interface encryption without intrusion into business code by embedding an interceptor at the network request framework layer. Simultaneously, by utilizing dynamic keys and a two-way verification mechanism, it significantly improves the security of data transmission and the ability to prevent replay attacks, and facilitates centralized maintenance and policy upgrades.

This invention belongs to the field of blockchain application and e-commerce data security technology, specifically involving a product V-code anti-counterfeiting system and method based on multi-party smart contract collaboration. The system includes a top-level user interaction layer, a middle-level service application layer, and a bottom-level blockchain ledger layer. Through a V-code generation technology combining inventory anchoring and dynamic encryption algorithms, it achieves pre-verification of the authenticity of goods circulating in e-commerce. This solution fundamentally solves the trust linking problem between the physical and digital worlds by moving the verification process from "post-purchase" to "pre-sale" and achieving dynamic separation and binding of the verification code and physical packaging. Potential consumers can request and verify a dynamically generated V-code associated with a specific transaction intent before payment, effectively avoiding the risk of counterfeiters using recycled genuine packaging for fraudulent purposes, and building a truly safe, convenient, and low-cost pre-sale "firewall" for consumers.

This invention discloses a multi-level security encryption control algorithm for electronic detonators. The core adopts a three-level progressive linkage encryption architecture, which consists of a first-level device identity key encryption, a second-level dynamic encryption of detonation commands, and a third-level data closed-loop verification encryption. It is equipped with a dedicated two-way identity verification formula, a dynamic key iteration formula, and a closed-loop verification judgment formula to achieve two-way identity authentication between the control terminal and the electronic detonator, dynamic encryption of detonation commands, and prevention of tampering and replay of transmitted data.

A method for secure collection of sensitive data at a computer device includes receiving a request for sensitive data. The request indicates a set of parameters and a dynamic encryption key. The dynamic encryption key is generated by an authorized data requester based on a login session identifier. The method includes creating a user interface for collecting the set of parameters by an artificial intelligence (AI) software of the computer device. The method includes providing the user interface for collecting the set of parameters. Responsive to collecting the set of parameters from the user, the method includes encrypting the set of parameters using the dynamic encryption key and an encryption algorithm associated with the authorized data requester. The method includes transmitting the encrypted set of parameters to the authorized data requester to be decrypted.