96results about How to "Implement encryption" patented technology

The invention discloses an Internet of Things intelligent application method and device based on a large language model, belongs to the technical field of Internet of Things equipment, aims at solving the problems of complexity and inconvenience of user interaction, insufficient compatibility between equipment and poor security and privacy, and comprises the following steps: S1, demand analysis and system design; s2, data collection and preprocessing; s3, language model integration and processing; s4, intelligent decision making and automatic management; by setting the natural language processing module and the large language model, the natural language instruction of the user can be understood and generated through the natural language processing technology, so that the user can carry out equipment control and information query by using simple statements, the complexity of operation is reduced, and meanwhile, by combining the voice recognition technology, the user experience is improved. The user can interact with the Internet of Things system through voice, the model can accurately understand voice input, real-time feedback and operation execution are provided, and user experience and operation convenience are remarkably improved.

The invention discloses a data encryption method and device for eMMC storage equipment, and the method comprises the following steps: 1), obtaining an encryption feature according to the equipment unlocking information set by an authentication module for the first time and the unique ID serial number of hardware equipment; 2) processing and fusing the encryption features by SOC to obtain a feature matrix of an encryption key; 3) the SOC chip transmits the characteristic matrix to an encryption bridge chip, and the encryption bridge chip uses the characteristic matrix as a secret key for encrypting and decrypting eMMC data transmission; 4) when the user unlocks the equipment, the SOC generates a new feature matrix according to the unlocking information; and 5) matching similarity between the new feature matrix and the feature matrix stored in the encryption bridge chip, and if verification is passed, the SOC interacts with the eMMC through the bridge chip to carry out data writing or reading. By using the method of the invention, encryption, decryption and transmission of eMMC data are carried out, the data can be normally read only under the current equipment, and thus data protection of the equipment is realized.

The invention provides a two-dimensional code information processing method and device, electronic equipment and a storage medium. The method is applied to the technical field of data processing, and comprises the steps that to-be-processed two-dimensional code information is received, and the to-be-processed two-dimensional code information is obtained by encrypting initial two-dimensional code information obtained by a code scanning end through an encryption end; decrypting the two-dimensional code information to be processed to obtain plain code information; and generating a control instruction according to the plain code information. In this way, the security of two-dimensional code information processing can be improved.

The invention relates to the technical field of optical fiber and terahertz communication, and discloses a physical layer digital encryption structure and method applied to a forward pass scene, as a key part of a physical layer encryption scheme, a to-be-encrypted signal is preprocessed and divided into two paths so as to independently encrypt each dimension; meanwhile, a dynamic key and a chaotic signal are generated in sequence and used for time domain covering encryption and frequency domain covering encryption. A to-be-encrypted signal is firstly mixed with an amplified chaotic signal, and signal time domain information is covered. And then the QPSK signal enters a Delta-sigma modulator to be modulated and generated into an encrypted QPSK signal. And finally, the DSM-QPSK signal enters frequency domain masking encryption, and frequency domain feature information is masked to complete encryption. In an application scene, the method can become a superior candidate scheme for research and application of a secrecy scheme in a future low-cost forward transmission system.

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 provides a computer system based on a neural network model. The computer system comprises a feature extraction module, a model construction module, an optimization module, a storage module and a target data encryption module. The feature extraction module extracts data features from historical encrypted data; the model construction module constructs a dynamic encryption and decryption model based on a decision tree algorithm; the optimization module optimizes a preset neural network model through the output of the dynamic encryption and decryption model to obtain a target neural network model; the storage module splits the target neural network model into a plurality of sub-models, and encrypts model parameters and structure information of the sub-models to obtain encrypted data; a target data encryption module obtains and decrypts the encrypted data to obtain decrypted data; and assembling to obtain a target neural network model for encrypting the target data. According to the method, the high-complexity and unpredictable encryption method can be generated for encrypting the target data, and the security risk of the data can be effectively reduced.

The invention provides a distributed photovoltaic grid-connected security protection system and method, and belongs to the field of network security protection. The system comprises an information acquisition terminal, a semantic coding module and a distributed photovoltaic grid-connected monitoring master station, the information acquisition terminal is used for acquiring operation data of the distributed photovoltaic power station and the equipment formed by the distributed photovoltaic power station; the semantic coding module is used for receiving the operation data, carrying out semantic coding and encryption on the operation data, and sending the encrypted coded data to the distributed photovoltaic grid-connected monitoring master station based on a wireless transmission mode; and the distributed photovoltaic grid-connected monitoring master station is used for receiving the encrypted coded data, decrypting and decoding the encrypted coded data to obtain decoded data, and monitoring and analyzing the operation of the distributed photovoltaic power station based on the decoded data. According to the invention, both the transmission real-time performance and safety of distributed photovoltaic grid-connected monitoring can be considered.

Disclosed are a policy negotiation method and apparatus, an electronic device, a storage medium and a program product, which relate to the technical field of communications, the method being executed by a mobile equipment ME, the method specifically comprising: determining a first protection policy with the highest priority supported by a user equipment UE based on user hidden identifier SUCI calculation information stored in a universal subscriber identity module USIM; based on the first protection strategy, calculating a target SUCI corresponding to a USIM identifier stored in the USIM; and sending the target SUCI to a network side device. According to the embodiment of the invention, the problem that the flexibility of an existing SUCI protection strategy negotiation mechanism is poor can be solved.

The invention relates to the technical field of gene data encryption, in particular to a gene data effective protection method and system based on a computer encryption technology, and the method comprises the steps: obtaining a to-be-encrypted gene information set, and constructing a target evolutionary tree; determining a genetic difference between the to-be-encrypted gene information; performing segmentation processing on all the sorted to-be-encrypted gene information, and determining a target similarity between every two to-be-encrypted segments; similar gene information corresponding to each segment to be encrypted is screened out; determining a protection necessary index corresponding to each to-be-encrypted segment; performing byte filling on the to-be-encrypted segment according to the target similarity between the to-be-encrypted segment and the previous to-be-encrypted segment, the byte condition added to the previous to-be-encrypted segment and the corresponding protection necessary index; and performing encryption according to the byte filling condition of the to-be-encrypted segment. According to the method, the to-be-encrypted gene information is analyzed, so that the gene data encryption is realized, and the effect of encrypting the gene data is improved.

The present invention belongs to the field of electrical communication technology, and specifically relates to key distribution, and more particularly to an efficient data transmission method and transmission system, which comprises: encrypting data, and judging whether the data is normal after obtaining the encrypted data; distributing the encrypted data to a corresponding server; after the data is distributed to the corresponding server, transferring the data stored in the corresponding server through one of the servers; realizing encryption of data, avoiding data leakage or theft, and improving data transmission efficiency.

The invention belongs to the technical field of telecommunication, and particularly relates to a vehicle-mounted internet-of-things control system and a control method thereof. The vehicle-mounted internet-of-things control system comprises an information sharing device; the information sharing device is connected to a vehicle-mounted information acquisition device, and the information sharing device is connected to an external device; the information sharing device obtains code information sent by vehicle-mounted information obtaining equipment, and the code information is converted into file information through the information sharing device to be shared to external equipment; according to the invention, the information sharing device is arranged in the vehicle and is connected with the vehicle-mounted information acquisition equipment, and after entering the vehicle, the external equipment is connected with the information sharing device, so that the information sharing device can convert code information acquired by each sensor on the vehicle into file information and directly send the file information to the external equipment; moreover, the information sharing device can improve the transmission efficiency through the optical fiber communication, and can achieve the data encryption through a special information conversion mode, and reduces the data processing amount and data conversion.

The invention relates to the field of data encryption, and discloses an e-commerce shop data encryption method, which comprises the following steps: acquiring data information of to-be-encrypted data, recoding characters in sensitive fields in the to-be-encrypted data by using integers from 0 to 63, and representing each recoded character by using a 6-bit binary system, obtaining the recoded data of the sensitive fields; and encrypting the 64-bit data block and the multiple data block by adopting an AIFT3DES encryption algorithm to obtain the encrypted 64-bit data block and the multiple data block, outputting the encrypted data, performing data storage on the encrypted data, and limiting the access authority of the encrypted data. Through the technical scheme provided by the invention, the length of the encrypted sensitive field can be kept unchanged, and the data security is ensured.

The present invention discloses a grid processing method for improving the efficiency and stability of an ocean numerical forecast model, including obtaining multi-source ocean data and performing standardized processing; using a machine learning algorithm for quality control and extracting key terrain features; training a pre-configured deep learning model, generating a preliminary unstructured grid and assigning attribute information to it, and preparing boundary condition information; performing CFD pre-simulation and extracting flow field features; performing adaptive optimization to obtain a preliminary optimized grid; creating a prismatic layer grid in a boundary layer region to obtain an optimized grid; calculating the local time step of each grid unit; constructing and training a time step prediction model; performing uncertainty quantification analysis and multi-index evaluation and spatiotemporal analysis, outputting uncertainty analysis results and verification results, and searching and optimizing the global time step. The present invention improves the quality of the grid, optimizes and improves the overall time step of the model, and improves the computational efficiency and stability.

The invention discloses a power distribution network optimization operation method and system based on GIS real-time monitoring, and relates to the technical field of power distribution network optimization, and the method comprises the steps: accessing power distribution network data of an area needing to be processed, carrying out the preliminary filtering processing of the data, extracting sensitive data in the data, and carrying out the calculation of the sensitive data. By arranging the GIS control module, the power distribution network data access module and the data operation module, power distribution network optimization management can be achieved through enterprise intranet cloud management and control, the intelligent level of power distribution network optimization management is improved, meanwhile, workers can conveniently inquire links one by one, the overall operation period is shortened, and the work efficiency is improved. Corresponding authority data are inquired and managed by setting corresponding authority, overall encryption is achieved, data leakage conditions are reduced, power resources are reasonably configured for the power distribution network, energy consumption and operation cost are reduced, spatial data management of the power distribution network is achieved through the GIS technology, and visual display of geographic information is provided. And work is helped to quickly identify a problem area.

The present application relates to the technical field of information security, and especially relates to a kind of vehicle networking data encryption method and decryption method, the encryption method includes: obtaining the image of vehicle networking data, and determine the sensitive area of image;Randomly generate the parameter of specialized two-dimensional Logistic chaotic encrypter chaotic sequence and AES key;Based on the parameter of specialized two-dimensional Logistic chaotic encrypter chaotic sequence, sensitive area is encrypted, and encrypted image is obtained;Based on AES key, the parameter of chaotic sequence is encrypted, and encrypted chaotic parameter is obtained;Based on sensitive area and AES key, signature data is obtained;Based on encrypted chaotic parameter and signature data, embedded data is obtained;Embedded data is dynamically embedded in encrypted image, and the encryption of vehicle networking data is realized;Shamir key distribution method is used to fragment AES key, and distribute to the main body of car enterprise, traffic management department and insurance company, realize data encryption intensity and safe transmission, promote the safe circulation and value release of vehicle networking data element.

The invention provides a data encryption method and device based on a parallelism configurable SM3 algorithm, and relates to the technical field of data encryption, and the method comprises the steps: carrying out the message filling of a to-be-encrypted message, grouping the obtained filled messages, and obtaining a plurality of message groups; based on a pre-configured first degree of parallelism, performing message expansion on each message group to obtain a plurality of message words corresponding to each message group; wherein the first degree of parallelism represents that at least one message extension module is cascaded, and the message extension module is used for generating the message word; and performing data encryption on the to-be-encrypted message based on each message word corresponding to each message group to obtain encrypted data. Through the pre-configured first parallelism degree, the message extension of each message group is realized, and the pre-configured first parallelism degree can be adjusted according to actual conditions, so that data encryption is realized, and the throughput rate of hardware design can be improved.

The invention discloses a power transaction verification method based on a block chain, relates to the technical field of transaction verification, and solves the technical problems that user information is leaked and transaction risks exist in power transaction data due to the fact that reasonable security protection is not performed on information of a user in an identity verification process. According to the invention, the login information of the user is preliminarily verified to judge whether an error exists or not, the login IP of the user is secondarily verified and analyzed when the login information of the user is preliminarily verified to be correct, the user passing verification is further subjected to dynamic verification code verification and analysis, and in the process of transmitting the dynamic verification code, the verification efficiency of the user is improved. Encryption analysis is carried out according to the characteristics of the dynamic verification codes, the types of the dynamic verification codes are classified, binary conversion is carried out on the digital type dynamic verification codes and the non-digital type dynamic verification codes, reverse sequence segmentation processing is carried out at the same time, encryption of the dynamic verification codes is achieved, and the overall transmission safety is guaranteed.

The invention provides an IP encryption method based on ZYNQ. The method comprises the following steps that an integrated ARM processing system issues licence data to an encryption verification module through a GP port; a device ID acquisition module, a key generation module and a key verification module are arranged in the encryption verification module; the device ID acquisition module is powered on to automatically acquire the device ID, supplements the device ID to 128 bits and outputs the device ID to the key generation module; the key generation module calculates a product key according to the 128-bit device ID and an encryption algorithm; the secret key verification module comprises a logical operation unit and a logical judgment unit; the binary single-bit control signal is interconnected with a target IP; and the target IP enables or disables the IP according to the value of the binary single-bit control signal. According to the method, the encryption of the IP is realized, and the IP core is prevented from being copied or used by an unauthorized third party, so that the design and intellectual property are effectively protected.

The invention discloses a lightweight authentication encryption and decryption device and a method thereof. The device comprises an encryption circuit, a decryption circuit, an authentication output module and a replacement network module, wherein the encryption circuit comprises a first initialization module, a first associated data processing module, a plaintext processing module and a first final module which are connected in sequence; the decryption circuit comprises a second initialization module, a second associated data processing module, a ciphertext processing module and a second final module which are connected in sequence; the plaintext processing module is connected with the ciphertext processing module, and the first final module and the second final module are respectively connected with the authentication output module; and each module in the encryption circuit and the decryption circuit calls a replacement network module. According to the hardware device and the implementation method thereof, encryption and decryption tasks of the plaintext with any length can be efficiently and safely executed on the basis of saving hardware resources, and a certain hardware protection capability is achieved in the aspect of resisting side channel attacks.

The embodiment of the invention is suitable for the technical field of data transmission, and provides a software package transmission method and computer equipment, and the method comprises the steps: sending a software package request message to second equipment; in response to a data transmission length negotiation message returned by the second device, a data transmission length determination message is returned to the second device, and the data transmission length determination message comprises the maximum data length during data transmission; receiving a plurality of software data packet messages transmitted by the second equipment according to the maximum data length, wherein the software data packet messages are encrypted and packaged by the second equipment according to the maximum data length transmission; and obtaining a target software package based on each software data package message. By means of the method, when the software package is transmitted, the data security can be guaranteed while the transmission rate is increased.

The invention discloses a distributed compression random aggregation algorithm for robust federal learning under Byzantine attack, and aims at potential loopholes after Byzantine attack on a large-scale distributed cluster and the influence of multi-agent information communication on communication bandwidth and computing resources. An algorithm for resisting attacks and reducing communication loss is provided, and robust stability of the system, efficient communication and privacy security of the client are realized. According to the algorithm, a loss function and a penalty term are combined, and elasticity to Byzantine attacks is kept; a parameter compression operator is introduced, so that the communication cost is reduced; weight and feature dimension reduction is quantized, the data dimension or size is reduced, and algorithm convergence is accelerated; and the uploaded and issued parameters are subjected to lossy compression, so that data encryption is realized, and privacy and security are ensured. The method has the advantages of being high in anti-interference capacity, low in communication cost and high in privacy safety, can be widely applied to multiple fields, and is particularly suitable for application systems with high data privacy requirements and limited communication resources.

The present invention relates to the field of gene data encryption technology, and in particular to an effective gene data protection method and system based on computer encryption technology, the method comprising: obtaining a set of gene information to be encrypted, and constructing a target evolutionary tree; determining the genetic differences between the gene information to be encrypted; segmenting all the sorted gene information to be encrypted, and determining the target similarity between every two segments to be encrypted; screening out similar gene information corresponding to each segment to be encrypted; determining the necessary protection index corresponding to each segment to be encrypted; byte padding the segment to be encrypted according to the target similarity between the segment to be encrypted and the previous segment to be encrypted, as well as the byte situation added by the previous segment to be encrypted and the corresponding necessary protection index; encrypting according to the byte padding situation of the segment to be encrypted. The present invention realizes gene data encryption by analyzing the gene information to be encrypted, and improves the effect of encrypting gene data.

The present invention provides an encryption method, system, device, equipment and medium of a field programmable gate array, and relates to the field of data security technology. The method is applied to a RISC-V processor in an encryption system of a field programmable gate array. The encryption system of the field programmable gate array includes: an encryption and decryption program, a RISC-V processor and a Flash memory. The processor is implemented based on an FPGA. The method includes: receiving at least one encryption instruction; wherein the encryption instruction is obtained by cross-compiling an original encryption request by an encryption and decryption program through a RISC-V cross-compilation tool, and the original encryption request is used to instruct the field programmable gate array to be encrypted; each encryption instruction is decoded and executed to obtain an encrypted ciphertext of each encryption instruction; each encrypted ciphertext is written into a Flash memory. In the present invention, encryption of FPGA can be realized using fewer resources, which reduces resource occupancy.

The invention relates to a grid processing method, which is used for encrypting octree hexahedral grid units overlapped with near wall surface hexahedral grid units, and comprises the following steps: extracting all octree hexahedral grid units overlapped with the near wall surface hexahedral grid units as octree boundary grid units; aiming at each extracted octree hexahedron boundary grid unit, calculating a first diagonal length of the octree boundary grid unit and a second diagonal length of a near wall surface hexahedron grid unit overlapped with the octree boundary grid; if the length of the first diagonal line is greater than or equal to half of the length of the second diagonal line, encrypting the octree boundary grid unit; judging whether the encrypted octree boundary grid unit is overlapped with the near wall surface hexahedron grid unit or not; and if so, repeating the above steps until the length of the first diagonal line is less than half of the length of the second diagonal line.

The invention relates to the technical field of artificial synapses, in particular to a composite artificial synapse which comprises a core functional layer, the core functional layer is a composite material layer, and the composite material layer is formed by mixing a SrAl2O4-based long afterglow material and a NaYF4-based up-conversion material; eu < 2 + > and Dy < 3 + > are doped in the SrAl2O4-based long afterglow material; yb < 3 + > and Tm < 3 + > are doped in the NaYF4-based up-conversion material; under excitation of near-infrared light, the NaYF4-based up-conversion material transmits energy to the SrAl2O4-based long-afterglow material through up-conversion luminescence, so that the SrAl2O4-based long-afterglow material generates long-afterglow luminescence, and a synaptic function is realized; through thermal stimulation, the release process of defect trap electrons in the SrAl2O4-based long afterglow material is regulated and controlled, and thermally induced synaptic plasticity is realized. According to the invention, SrAl2O4: Eu < 2 + >, Dy < 3 + > and NaYF4: Yb < 3 + >, Tm < 3 + > are coupled, so that long afterglow luminescence (LPL) of near-infrared triggering and thermal regulation is realized, and information encryption, handwritten number recognition and mechanical arm gesture control are realized by artificial synapses based on photo-thermal synergistic stimulation.

The application provides an Internet of Things card number conversion method, device, equipment and storage medium. The method comprises the following steps: receiving a first task request of a target Internet of Things device; performing legality verification on the target Internet of Things device according to the first task request to obtain a verification result, wherein the verification result comprises verification failure and verification success; if the verification result of the target Internet of Things device is verification success, a preset coding strategy is obtained; a target Internet of Things card number corresponding to the target Internet of Things device is determined according to the preset coding strategy and the first task request; and the first task request is processed according to the target Internet of Things card number. The method improves the security of data transmission between Internet of Things devices.

The application relates to the technical field of DNA encryption, and discloses a DNA encryption method and device based on random combination code tables, equipment and a storage medium, the method comprising the following steps: designing seven code tables with different sizes and a to-be-encoded file; generating a random number according to the file type of the to-be-encoded file; selecting a code table in each code table based on the random number, taking the selected code table as a target code table, then performing encoding conversion according to the target code table and the to-be-encoded file to obtain a DNA encoding result, and generating a random sequence by using chaotic mapping based on the length corresponding to the DNA encoding result; and adjusting the base sequence in the DNA encoding result according to the random sequence to obtain a randomized DNA encryption sequence. The to-be-encoded file can be encoded and converted by using the code table composed of the screened bases, so that the DNA encryption sequence is obtained, the DNA encryption of the to-be-encoded file is realized, and the security and efficiency of encryption are improved.

The invention belongs to the technical field of intelligent response type hydrogel preparation, and particularly relates to temperature-solvent dual-response information processing hydrogel with subject-object recognition and regulation effects, a preparation method and application thereof. According to the invention, under the catalysis of 2, 2-azobisisobutyronitrile (AIBN), 2-methyl-2 adamantyl methacrylate (Ad-MA) and N-isopropylacrylamide (NIPAM) are used as raw materials, and an adamantane (Ad) group grafted poly N-isopropylacrylamide derivative (Ad-PNIPAm) is constructed. Then, under the action of auxiliary polymerization and chemical crosslinking of the NIPAM, the semi-interpenetrating network composite hydrogel (Ad-PNIPAm gel) is constructed. The hydrophilic and hydrophobic balance of the Ad-PNIPAm is regulated and controlled by changing the grafting degree of the Ad-MA in the Ad-PNIPAm, so that the stimulation response performance of the Ad-PNIPAm gel is regulated. The composite hydrogel has optical adjustable behaviors of sensitive temperature and solvent stimulation in a wide room temperature environment (4-40 DEG C), not only can quickly respond to external stimulation in a shorter time, but also has adjustable encryption and decryption time, stable reversibility and multiple encryption / decryption capability.

The invention provides a phased array dynamic wave control method with low sidelobe and directional signal modulation. The method comprises the following steps: firstly, determining a phase modulation vector and an amplitude modulation vector of a signal directional time domain according to a phased array; setting a main lobe interval and a side lobe interval, and establishing a dynamic airspace response according to the main lobe interval and the side lobe interval; constructing a dynamic wave control weight optimization function, minimizing the optimization function through a global optimization algorithm, and solving an optimal wave control weight estimation value; and finally, applying the obtained optimal wave control weight to a receiving and transmitting channel of the phased array. According to the phased array dynamic wave control method provided by the invention, the wave control freedom degree of the time domain can be utilized, and the formed wave beam sidelobe level is reduced along with the increase of the pulse accumulation number.

This application discloses a data processing method, system, apparatus, processor, and electronic device. Applied to a client, on which a target application is installed, the method includes: detecting the runtime environment and programming language type of the target application to obtain a detection result; in response to receiving target request data, and given that the detection result indicates a match between the runtime environment and programming language type, invoking an encryption strategy in the target module to perform an encryption operation on the target request data to obtain encrypted target request data, wherein the encryption strategy represents the rules for encrypting the target request data; and invoking a decryption strategy in the target module to decrypt the encrypted target request data to obtain a decryption result, wherein the decryption strategy represents the rules for decrypting the target request data. This application solves the technical problem of low security in data processing.