14results 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 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 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.

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 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 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.