26results about How to "Improve encryption" patented technology

The invention discloses a wireless communication network data secure transmission method and system, and relates to the technical field of secure transmission. During system operation, agricultural monitoring data are collected in real time through various sensor devices arranged in an agricultural environment, encryption processing is performed by using a symmetric encryption algorithm, and a dynamic key length adjustment mechanism is supported; a random number generator is integrated, unified management is performed on key generation, distribution, updating and destruction in a system, a timestamp or a random serial number is embedded into each data packet, the uniqueness of the timestamp or the serial number is verified at a receiving end, so that replay attacks are resisted, and the data are comprehensively analyzed and evaluated according to a set algorithm, so that the replay attack is prevented. The method comprises the following steps: acquiring a security data transmission performance index SDTP through calculation, generating a monitoring report, detecting abnormal conditions in a data transmission process, including channel quality reduction, data loss or verification failure, and providing a visual monitoring result.

The invention relates to the technical field of data security, and redefines a block chain-based trusted data space management system and method, which comprises the steps of obtaining an initial credit result according to intelligent analysis of a block chain, creating an initial data credit module in a trusted data space, performing security grading on data to be encrypted in the initial data credit module, and storing the data to be encrypted in the trusted data space; executing different encryption strategies on the to-be-encrypted data according to the security level to encrypt the to-be-encrypted data; the storage module is used for storing the encrypted data needing to be chained to the block chain according to the computing power of the edge computing node; the access module is used for managing the authority of the user for accessing and applying data and policies needing to be accessed and releasing the corresponding access and application authority; and the matching module is used for releasing the access authority matched with the encrypted data to the user. The architecture of the trusted data space is established based on trusted computing 3.0, and the initial data credit module is distributed based on the block chain technology, so that the security and credibility of encrypted data are ensured.

The invention relates to the technical field of data processing, in particular to a privacy data encryption method and system of an information service platform. The method comprises the following steps: acquiring running state data of the information service platform and privacy data of a user; constructing an adaptive homomorphic encryption parameter model according to the running state data and the privacy data; and encrypting the privacy data of the user by using the self-adaptive homomorphic encryption parameter model. According to the embodiment of the invention, the operation state of the information service platform and the privacy estimation value of the user privacy data are combined, and the dynamically adjusted self-adaptive homomorphic encryption model is adopted, so that the encryption strength can be automatically adjusted according to the resource load and the data privacy requirement of the platform. Through the mode, on the premise that the privacy of the user is protected, the encryption efficiency and effect can be improved, and the platform performance bottleneck caused by overhigh load in the encryption process is avoided.

The invention discloses a network security data transmission and encryption system and method based on privacy protection, relates to the technical field of data transmission, and solves the problems that the influence of conversion efficiency between different data formats on the overall transmission timeliness is not fully considered, so that the data transmission delay is too high, the real-time service demand cannot be met, and the data transmission efficiency is poor. According to the method, the conversion efficiency and the transmission speed of each transmission data format are calculated, a comprehensive selection value is obtained, a standard transmission format is selected, and the network data are automatically converted, so that the data transmission suitability and efficiency are greatly improved, and the transmission hindrance caused by the format problem is reduced; according to the parity of the data capacity of the high-capacity data packet, the processing mode of odd-bit or even-bit binary numbers is flexibly adjusted to cooperate with the overall reverse operation; and the small-capacity data packets execute operations such as reverse order and repeated data displacement in a classified manner according to whether repeated data exist or not, so that different types of attacks are resisted, and data privacy is protected.

The invention discloses a communication data encryption intelligent processing system, which belongs to the technical field of communication data encryption, and comprises a demand analysis module, an encryption configuration module and an encryption module, the demand analysis module is used for carrying out encryption demand analysis and determining an encryption demand of a user and an encryption requirement corresponding to the encryption demand; the encryption configuration module is used for a platform side to set an encryption library and an encryption strategy model according to the encryption demand and the encryption requirement of a user; the encryption module is used for encrypting the communication data and identifying a communication data type and an application background corresponding to the target data; respectively marking a communication data type and an application background corresponding to the target data as a target type and a target background; analyzing the target type and the target background through an encryption strategy model to obtain an encryption strategy; obtaining correlation analysis data according to the target type; and screening the encryption strategies according to the association analysis data to obtain a target encryption strategy, and performing encryption processing on the target data according to the target encryption strategy.

The invention discloses an image encryption method based on a new non-adjacent dynamic coupling mapping lattice and cross scrambling. The method comprises the following steps: acquiring an image to be processed; preprocessing an image to be processed to obtain parameters and initial values required by an encryption process; generating a chaotic sequence based on the parameters and the initial value required by the encryption process; adopting a cross traversal algorithm, selecting different central points and traversal directions of the image to perform preliminary scrambling on positions of image pixels, and obtaining an initial scrambling image; a random cross transformation algorithm is adopted to perform scrambling and diffusion operation based on the initial scrambling image, the pixel position of the image is changed, the pixel value of the image is preliminarily changed, and a semi-encrypted image is obtained; and carrying out secondary diffusion on the semi-encrypted image by adopting a bidirectional disturbance index diffusion algorithm to obtain an encrypted image. According to the method, corresponding attacks can be effectively resisted, and good safety is achieved; and the time efficiency is relatively high.

The invention relates to the field of data processing, in particular to a user industry label-based transaction information security storage method, which comprises the following steps of: acquiring an information point of transaction information of each user; clustering all information point coordinates by using different class cluster values; calculating the optimization degree of each class cluster value to obtain an optimal class cluster value; obtaining each class cluster corresponding to the optimal class cluster value; obtaining first ciphertext data and a first key of the transaction information according to the clustering center of each class cluster and a set reference vector and a conversion coefficient; obtaining a label value of each class cluster; obtaining a translation vector of each class cluster according to the reference clustering center; and obtaining vector coordinates of each information point according to the vector representation of each information point and the label value of the class cluster to which the information point belongs, further obtaining second ciphertext data and a second key of the transaction information, and storing the second ciphertext data. According to the method, an infinite key can be obtained, and the utilization rate of the storage space is increased while the data storage security is improved.

An encryption and decryption capability improving method based on network encryption equipment comprises the following steps: firstly caching data to be encrypted and decrypted, then taking out first cached data, judging whether the data is the data to be encrypted or the data to be decrypted, and if the data is the data to be encrypted, carrying out limited splicing on the data to be encrypted generated within specified time; if the data is to-be-decrypted data, the data is not processed, and finally, the spliced to-be-encrypted data or the spliced to-be-decrypted data is sent to the network encryption equipment after being spliced to encrypt and decrypt a message header. According to the invention, the to-be-encrypted data is subjected to packet splicing and overall encryption, the number of times of occupying the network encryption equipment is reduced and the encryption capability of the short message in unit time is improved aiming at the scene that the data packet is short and multiple, and meanwhile, the splicing waiting time is controlled and the encryption and decryption waiting interval of the network encryption equipment is fully utilized, so that the encryption efficiency is improved. The data time delay caused by data splicing is reduced, and the data timeliness is ensured as much as possible.

The invention discloses a payment transaction data processing method, and belongs to the technical field of data processing, and the method comprises the following steps: S1, obtaining payment transaction information of a user, and carrying out the data cleaning of the payment transaction information, and obtaining updated payment transaction information; s2, the updated payment transaction information is imported into a MySQL database; s3, constructing an engine index statement for updating the payment transaction information; s4, generating an encryption key for the updated payment transaction information according to the engine index statement corresponding to the updated payment transaction information; and S5, completing encryption by using the encryption key for updating the payment transaction information. The encryption key is generated according to the feature parameters of the payment transaction information, sensitive data can be protected more effectively, and unauthorized access and leakage are prevented.

The invention relates to a video encryption method and device based on a linear fractional order hyperbolic equation and a storage medium, and the method comprises the following steps: S01) obtaining all image frames of a to-be-encrypted video, and carrying out the normalization processing of all image frames; s02) segmenting the image frames, and performing Arnold transformation and gray scale scrambling operation on data information of each group of image frames after segmentation; s03) encrypting the data information by using a linear fractional order hyperbolic equation encryption model; s04) performing an XOR operation based on a chaotic sequence on the encrypted data information to obtain ciphertext data; and S05) arranging the ciphertext data according to the initial arrangement order of the image frames.According to the method, the problem of low solving efficiency of an encryption model of a fractional order partial differential equation used for video encryption in the prior art is solved, and the stability of the video encryption and decryption process is greatly improved.

The invention relates to an optimal preset time control method for a hovercraft under privacy protection, which comprises the following steps of: carrying out mathematical modeling on the hovercraft, constructing a state equation under unknown longitudinal speed and disturbance according to the physical characteristics of the hovercraft, equivalently converting the state equation of the hovercraft by adopting a preset time privacy function, and obtaining the optimal preset time of the hovercraft. Introducing a preset time function to obtain an error variable, and constructing a Hamiltonian-Jacobian-Bellman equation according to the error variable, the ideal optimal virtual control signal, the ideal optimal virtual controller and the optimal theoretical method; solving a preset time approximate optimal virtual control signal, a preset time approximate optimal virtual controller, a corresponding adaptive parameter and an execution-evaluation network estimation weight updating law, designing a mixed event triggering mechanism with a dynamic scale, and constructing a triggering control input according to the mixed event triggering mechanism for controlling the hovercraft so as to control the hovercraft. According to the invention, the hovercraft suffered from complex external environment interference can have a privacy protection control function within preset time in the control process.

The present invention relates to the field of commercial data processing technology, and in particular to a self-service platform for enterprise personnel intelligent management based on big data, the platform comprising a data encryption module, the data encryption module is used to determine an original two-dimensional matrix according to original data to be encrypted, determine each value cluster according to each identical value in the original two-dimensional matrix and its corresponding frequency, and determine the undirected complete graph of each value cluster and the value number sequence corresponding to the undirected complete graph according to the position of the value in each value cluster in the original two-dimensional matrix; encrypt the undirected complete graph according to the encryption rule to obtain an encrypted value sequence, and then obtain an encrypted two-dimensional matrix, determine the encrypted two-dimensional matrix as encrypted data, and determine the encryption rule and the value number sequence as a key. The present invention effectively improves the encryption effect of data by performing corresponding processing on the original data to be encrypted.

This invention provides a method and apparatus for compressing and encrypting snapshots of multiple 3D color objects based on spatial division multiplexing. The method includes: generating an object beam and a reference beam based on a three-primary-color laser source, and generating multiple composite three-color parallel beams based on the object beam; illuminating each 3D color object and a random phase mask connected to each 3D color object with the multiple composite three-color parallel beams, respectively, and calculating the light field distribution of each 3D color object on the corresponding random phase mask plane; encrypting the light field distribution using each random phase mask, and generating an object light field on a detector plane based on the encrypted light field distribution; and generating an encrypted color hologram of multiple 3D color objects by interfering with the reference beam on the detector plane through the object light field and the reference beam. This method can significantly reduce the crosstalk effect during decoding of different encrypted objects, greatly reduce the leakage of object information, and significantly improve security.

This invention relates to the field of IoT security technology, and in particular to a secure authentication and encryption system for lighting equipment. The system includes a dynamic key hierarchical generation module, a hardware-level secure storage unit, and a multi-factor authentication module. The dynamic key hierarchical generation module generates multi-level dynamic keys based on an initial trust relationship; the hardware-level secure storage unit uses an independent security chip to achieve physical protection and logical isolation of sensitive data; and the multi-factor authentication module combines device fingerprints, user behavior characteristics, and timestamps for multi-level identity verification. This invention improves the security authentication and encryption capabilities of lighting equipment in an IoT environment, reduces the complexity of key management, enhances identity authentication efficiency and resistance to physical attacks, and provides an efficient and flexible security solution for smart home, industrial control, and other scenarios.

The invention relates to the field of image encryption, and particularly discloses a power image encryption method and system, a terminal and a storage medium. Performing gray processing on the target power image; constructing a piecewise function in a definitional domain interval according to a Devey chaos decision theorem; configuring a key set; and encrypting the preprocessed target power image by using a chaotic system based on the piecewise function and the key set. According to the method, the piecewise function is constructed by using the Devey chaos decision theorem, so that more systems with stronger chaos characteristics are constructed, and the encryption effect is improved.

The invention provides an electronic tag data processing method and apparatus, a terminal device and a storage medium. The method comprises the steps of obtaining initial electronic tag data in a mother tag and extracting an initial identification code of the initial electronic tag data at a preset position; encrypting the initial identification code based on a preset encryption algorithm to obtain a first encrypted identification code; updating the first encryption identification code to first transmission data based on a preset distribution rule to obtain first encryption transmission data, and writing the first encryption transmission data into the mother label; wherein the first transmission data is generated based on the initial electronic tag data; and extracting the first encrypted identification code of the mother label, decrypting the first encrypted identification code to obtain a decrypted identification code, comparing the decrypted identification code with the initial identification code, and judging whether the initial electronic label data is duplicated label data or not according to a comparison result. According to the invention, the encryption and reliability of the electronic tag data can be improved.

The invention relates to the technical field of computer hardware encryption module preparation, and provides a computer hardware security encryption module preparation method and system.The method comprises the steps that original encryption algorithm data of computer hardware is obtained, data optimization is conducted on the original encryption algorithm data, and an optimized data set is obtained; calculating the data activeness of the optimized data set, and performing redundancy removal on the optimized data set based on the data activeness to obtain a target data set; performing data encryption on the target data set to obtain initial encrypted data, performing a fuzzy test on the initial encrypted data, and obtaining target encrypted data when a fuzzy test result is optimal; performing role authorization on the target encrypted data to obtain authorized data, performing data encapsulation on the authorized data to obtain encapsulated data, performing error detection on the encapsulated data to obtain target data, and constructing a security encryption module of the computer hardware according to the target data. The protection effect of the computer hardware security encryption module can be improved.

The present invention relates to the field of encryption communication technology, including a missile data transmission method and system based on multiple encryption. The present invention inserts a preset timestamp and a time detection program for detecting the system time of the receiver into the multiple encrypted data to be transmitted, and compares the decryption time of the receiver with the corresponding preset timestamp interval time, so as to achieve the effect of further encryption on the original basis; by calculating the difference change function between the preset timestamp and the corresponding system time and extracting its mathematical characteristics, combined with the flight time of the missile, the system time can be simply calibrated for the missile when time synchronization cannot be performed.

The invention provides an audio and video data transmission encryption device, and relates to the technical field of data transmission, the audio and video data transmission encryption device comprises a packaging box, the top of the packaging box is provided with a top plate, the top of the top plate is provided with an identification end, the bottommost part of the packaging box is provided with an encryption module, an identification module and the like, and the packaging box is internally provided with a storage assembly. The storage assembly comprises an inner box, openings are formed in the two ends of the inner box, a mounting frame is slidably inserted into the inner box, a small host is mounted in the mounting frame, and baffles are slidably inserted into the bottoms of the two ends of the inner box through springs. Identity recognition is needed during use, when identity recognition is correct, the host can be pulled out of the inner box through the pulling plate to be connected with the USB interface end, when identity is wrong, liquid is added into the inner box through the protection assembly, the alarm is triggered after a certain height is reached, the two ends of the inner box are closed, and data are prevented from being stolen.

The utility model provides a groove rising stem gate valve which is simple in structure, has a protection function and can prolong the service life and comprises a valve body, a valve cover arranged on the valve body, a water inlet channel, a water outlet channel and a valve plate arranged between the water inlet channel and the water outlet channel, the water inlet channel and the water outlet channel are formed in the radial direction of the valve body, and a valve rod is arranged on the valve body. One end of the valve rod is connected with the valve plate, a sealing groove is formed in the valve cover in a surrounding mode, the protective cover is arranged in the sealing groove to cover the valve rod, and an anti-disengaging device for preventing the protective cover from disengaging from the valve cover is arranged on the valve cover.

The present invention relates to the field of confidential communication technology, and specifically to a method and system for protecting privacy data security in the Internet of Things, the method comprising the steps of: determining a reference block in a key frame in a surveillance video and a compressed macroblock in a forward reference frame of a prediction frame corresponding to the key frame; determining the target position of the macroblock to be encrypted in the compressed macroblock and the target macroblock corresponding to the next motion trend based on the motion behavior information of the compressed macroblock compared to the reference block; determining the target encryption parameter of the target macroblock according to the consistency of the residual amount between the macroblock to be encrypted and the key frame; and feeding the target encryption parameter back to the perception layer to perform perception layer encryption on the target macroblock in the target position. Through the method for protecting privacy data security in the Internet of Things of the present invention, the simplification of secret keys for the same encryption method is avoided, the encryption capability of data at the perception layer and the source of data acquisition is improved, the security of Internet of Things data is greatly improved, and the risk of data theft and leakage is reduced.

The invention relates to a data processing method, a related device and a vehicle, the method is applied to a vehicle end, and the method comprises the following steps: encrypting transmission data through a first symmetric key to obtain a first ciphertext; encrypting the first symmetric key through the first asymmetric key to obtain a second ciphertext; and sending the first ciphertext and the second ciphertext to a server. According to the method, a group of asymmetric keys is configured, a target application and a server respectively hold an asymmetric public key and an asymmetric private key, and a dynamic symmetric encryption algorithm and a Hash algorithm are combined, so that the encryption and decryption efficiency is improved.

The present invention relates to the field of data transmission, and in particular to a computer network security data transmission method and system, comprising: comparing the rich changes between the plaintext contents contained in adjacent plaintext data segments to be encrypted, and obtaining the data fillability of the plaintext data segments to be encrypted; analyzing the connection between different plaintext contents contained in adjacent plaintext data segments to be encrypted, and combining the data fillability, obtaining the pre-plaintext content connection degree of the plaintext data segments to be encrypted; obtaining the plaintext filling reference length of the plaintext data segments to be encrypted according to the data fillability and the pre-plaintext content connection degree; according to the plaintext filling reference length, adaptively filling and encrypting different plaintext data segments to be encrypted, and performing data transmission. The present invention enhances the encryption effect and improves the transmission efficiency.

The invention discloses an article related information protection method and device, equipment, a medium and a product. The method comprises the following steps: acquiring an actual transportation route of an article from a starting node or a previous node to a target node; determining an encryption sequence of a plurality of encryption algorithms according to the speed of the article on different segmented routes of the actual transportation route; wherein the segmented route and the encryption algorithm have a corresponding relation; and performing multiple encryption on the first article related information of the article about the target node according to the encryption sequence to obtain first encrypted information. According to the invention, the related information of the article can be subjected to multiple encryption through multiple encryption algorithms based on the transportation route information of the article, and the security of the information in the transportation process is improved.

The invention discloses a computer software data encryption method based on the Internet of Things, and relates to the technical field of data security encryption. An identity comparison unit is used for comparing information input by a user through an identity input unit with identity information, stored in an identity storage unit, of controllable personnel, when the input identity information is consistent with preset identity information, recording is conducted, and if the input identity information is not consistent with the preset identity information, illegal login is recorded; the identity storage unit is used for storing the information compared by the identity comparison unit, and the identity information of the operator and the information of the illegal operator can be recorded and stored by using the identity storage unit; the authority control unit is used for realizing authority control of workers with different identities, authority management can be carried out on operators with different identities under the action of the authority control unit, and the encryption effect can be effectively improved.

The invention relates to the field of data transmission, in particular to a computer network security data transmission method and system, and the method comprises the steps: comparing the rich change conditions of plaintext contents contained in adjacent plaintext data segments to be encrypted, and obtaining the data filling degree of the plaintext data segments to be encrypted; analyzing the connection condition of different plaintext contents contained in adjacent to-be-encrypted plaintext data segments, and obtaining the front plaintext content connection degree of the to-be-encrypted plaintext data segments in combination with the data fillable degree; obtaining a plaintext filling reference length of the to-be-encrypted plaintext data segment according to the data filling degree and the front plaintext content connection degree; and according to the plaintext filling reference length, adaptively filling and encrypting different to-be-encrypted plaintext data segments, and carrying out data transmission. The encryption effect is enhanced, and the transmission efficiency is improved.