169 results about "Multiple encryption" patented technology

The invention discloses a multi-encryption-based AI glasses security payment method and a related device, and relates to the field of security payment. In the method, multi-modal biological information of a user is collected, when the multi-modal biological information is consistent with preset biological information, a dynamic password request is sent to bound target equipment, and a dynamic password returned by the target equipment is received and displayed on a display interface; and when the user inputs the dynamic password on the payment interface, encrypting payment information by using a private key to obtain encrypted information, sending the encrypted information to a payment server to decrypt the payment information through the payment server and verify the decrypted data through a block chain network, and when the verification result is successful, sending the encrypted information to the user. Fund transfer is executed according to the payment information; and fund transfer information returned by the payment server is received. By implementing the technical scheme provided by the invention, the payment security and convenience are improved, and information leakage is effectively prevented through a multi-encryption technology.

The invention discloses a radio and television image secure transmission system based on a 5G communication technology, and relates to the technical field of radio and television image transmission, the system comprises an image encryption module, and the image encryption module is connected with a block chain storage module and an image transmission module; the image encryption module is used for segmenting broadcast television image data into image segments. According to the broadcast television image secure transmission system based on the 5G communication technology, adaptive encryption and combined encryption are carried out on broadcast television image data through multiple encryption algorithms, different encryption algorithms are met for different security requirements, a proper encryption mode can be selected, and the cracking difficulty is greatly increased through combined use; the security performance of the broadcast television image data is guaranteed, a hash value is generated for each encrypted fragment and stored on the block chain, and the integrity and traceability of the data are guaranteed; once the data is modified, tracing can be carried out through the hash value and the modification log on the block chain.

The invention relates to the technical field of medical information and block chain crossing, in particular to a medical image co-processing system and method based on a block chain value network, and the system comprises a block chain network, a privacy calculation gateway, an intelligent contract module, a hybrid storage module and a communication module. The intelligent contract module is provided with a collaborative annotation sub-module, a verifiable federated learning sub-module and a dynamic value distribution sub-module; the method comprises the steps of data preprocessing and encryption uploading, collaborative labeling and quality verification, verifiable federated learning model training, dynamic value distribution, consensus evidence storage and supervision auditing. Medical data islands are broken through by means of the block chain network, data availability and invisibility are achieved in combination with the privacy computing gateway multi-encryption technology, the contradiction between data sharing and privacy security is solved, accurate contribution and return matching is achieved through the multi-dimensional contribution degree evaluation model and the intelligent contract, and the accuracy of data sharing is improved. The traceability and the compliance are ensured by full-process operation logs and data uplink evidence storage.

The invention discloses a single-pixel multi-encryption imaging method and device and a storage medium. The method comprises the steps of generating a single-pixel orthogonal basis transform coding illumination pattern, and exchanging the sequence of a coding illumination pattern sequence by using a time sequence key and a remapping algorithm; the coded illumination pattern is processed by using a space key, and at the moment, an image sequence is encrypted in two aspects of a space domain and a frequency domain; projecting a preset coding illumination pattern to the surface of an object to be encrypted and imaged; measuring and recording the light intensity of the reflected or transmitted light by using a detector; decrypting the signal by using the combination of the space key and the time sequence key to obtain a plaintext signal; and reconstructing the image by using a corresponding single-pixel imaging method. According to the method, the single-pixel imaging technology is utilized, the image encryption signal can be obtained under the condition of low sampling rate, calculation only needs to be carried out when the encryption coding illumination pattern is generated, and the defect that a traditional image encryption method based on a camera is large in calculation amount is overcome.

The present invention relates to an encryption optimization method for data communication. An intelligent algorithm library containing multiple encryption algorithms is designed, and the encryption algorithm is selected for the current data communication environment through analysis and learning of historical communication data; data is processed in layers according to sensitivity and priority, and different encryption algorithms and keys are used in each layer; through the design of a chain-dependent structure, the encryption result of each layer affects the encryption parameter selection and optimization of the next layer; an adaptive key generation and update strategy is designed, combining the hardware characteristics of the device and the real-time network status; an optimized distributed key distribution mechanism is adopted, and the distribution path is dynamically selected in combination with the data flow on the encryption link and the load of the network node, and the key synchronization is performed through the chain encryption result; data is divided into multiple fragments, and encrypted and transmitted through different transmission channels; based on the adaptive key management strategy, the encryption path of each transmission channel is dynamically optimized.

The invention discloses an enterprise intranet information security solution supporting multiple encryption protection, which belongs to the field of computer network information security, and comprises a user terminal, a movable encryption gateway, a cloud authentication management platform, an operator network infrastructure and an enterprise intranet, the user performs biological characteristic and dynamic token double-factor authentication through the gateway; after the authentication is passed, the gateway sends encrypted authentication data to a cloud authentication management platform; after the platform verification is passed, calling an operator platform interface, and dynamically calculating the fine-grained network access authority of the user; an operator platform establishes an isolation security data tunnel from a mobile network to an enterprise intranet according to the security data tunnel, encryption transmission and access control based on dynamic authority are implemented for gateway data streams, multiple authentication, cloud authentication and an operator special line tunnel are integrated, and high-security and high-reliability enterprise intranet access flexibly supporting mobile office is achieved.

The invention provides a data processing method and device, computer equipment and a storage medium, and belongs to the technical field of communication. In the data processing process, for each time of data transmission, the first computer encrypts data by using a compression algorithm and a private key in the first key pair to obtain a signature of the data, generates a data key, encrypts the data by using the data key, encrypts the data by using a public key in the second key pair, and transmits the encrypted data to the first computer; the complexity of data encryption is improved by comprehensively using multiple encryption algorithms, and the compression algorithm is irreversible, the data keys used for each data transmission are different, and the private key in the first key pair is only held by the first computer equipment and the second computer equipment, so that the data encryption efficiency is improved. According to the method, whether the data is the data sent by the first computer equipment or not can be judged based on the compression algorithm, the data key and the first key pair, and the security of the data is improved.

The invention discloses a Weyl semimetal / TMDC heterojunction photoelectric detector and application thereof, and belongs to the technical field of photoelectric devices. The photoelectric detector comprises a substrate, a TMDC material layer, a Weyl semi-metal material layer and a thin film electrode, the TMDC material layer, the Weyl semi-metal material layer and the thin film electrode are sequentially arranged on the substrate, and the TMDC material layer and the Weyl semi-metal material layer form a Van der Waals heterojunction; the device can realize switching between a photovoltaic mode and a photoconductive mode through bias voltage control; based on the characteristic, on the basis of the single photoelectric detector, XNOR logic operation can be realized under bias regulation and control and single-wavelength light beam excitation; accordingly, the invention further provides an image encryption and decryption method, according to the method, a bias voltage sequence is generated through image coding, a laser sequence is formed in combination with a secret key matrix, multiple encryption is conducted on image information through XNOR logical operation, and the concealment and safety of information transmission can be remarkably improved; and a new path is provided for development of a future security communication technology.

The invention discloses an agricultural carbon sink monitoring method and system based on a block chain technology, and belongs to the field of agricultural carbon sink monitoring, and the method specifically comprises the steps: collecting and marking agricultural carbon sink data in real time in an agricultural production region through a sensor array; encrypting the marked data by using a multiple encryption algorithm, generating a digital signature, and transmitting the digital signature to a block chain network; the data aggregation node verifies and preprocesses the data and packs the data into blocks; adding the block to the block chain through a block chain consensus mechanism; and the authorized user queries data through a block chain browser, and performs accounting and evaluation of agricultural carbon sink by using a data analysis model and an algorithm. According to the method, the security and credibility of the agricultural carbon sink data are improved, and decentralized storage, non-tampering and transparent sharing of the agricultural carbon sink data are realized.

The invention relates to the technical field of data security, in particular to a data encryption method, equipment and device, which are used for improving the security of encrypted data. The method comprises the following steps: a first device obtains a plurality of encryption keys; wherein the plurality of encryption keys are obtained according to a preset initial key and a plurality of random numbers, and the plurality of encryption keys and the plurality of random numbers are in one-to-one correspondence. And the first device performs chain encryption on the to-be-encrypted data in sequence based on the plurality of encryption keys to obtain first ciphertext data. And the first device obtains encryption indication information of the password device. Wherein the encryption indication information is used for indicating whether to adopt a password device for encryption or not, and different moments correspond to different encryption indication information. And the first device determines that the encryption indication information indicates that encryption is performed by adopting the password device, and encrypts the first ciphertext data by adopting the password device to obtain second ciphertext data. And the first device outputs the second ciphertext data.

Securing digital assets in a vault that interfaces with multiple different third-party wallets to store keys / mnemonics. The vault interface accepts input from multiple different party wallets to combine multiple encryptions and secure storage techniques. Numerous cryptographic mechanisms are employed to securely pull a mnemonic phrase from a third-party wallet and into an institution's vault. A customer's mnemonic phrase is securely transported from a personal wallet into a secured institution's encrypted vault using the power of HSM to encrypt and decrypt a customer's mnemonic phrase securely.

A method and system for synchronizing secrets in an enterprise computing network include a secret and a representation of a directed acyclic graph (DAG) generated at a secret client vault device. The representation of the DAG having a plurality of nodes and a plurality of edges, the plurality of nodes including a record node associated with the record, a leaf node associated with a second secret vault client device, and one or more intermediate nodes and the plurality of edges specify a traversal path from the record node to the leaf node. Transmitting a data stream to the second secret vault client device that comprises multiply encrypted data generated in accordance with a traversal of the representation of DAG and representations of the encryption keys associated with the record node and the one or more intermediate nodes of the DAG traversed to generate the multiply encrypted data.

The invention discloses a credible storage method, device and system for electronic evidence and a storage medium, and relates to the technical field of data storage, and the method comprises the steps: obtaining customer behavior data of a risk customer from a multi-dimensional data source, and integrating the customer behavior data into multi-dimensional electronic evidence; storing the multi-dimensional electronic evidence in an evidence storage server in real time, and generating an evidence digital fingerprint of the multi-dimensional electronic evidence by adopting a dynamic self-adaptive fragmentation strategy; performing multiple encryption signature processing on the evidence digital fingerprint to generate a composite digital signature; and writing the composite digital signature into a judicial block chain network through a cross-chain protocol to realize credible storage of the multi-dimensional electronic evidence. The reliability of the electronic evidence can be improved.

The invention provides a software package verification method and system and a readable storage medium. The method comprises the steps that a software upgrade package is obtained, the software upgrade package comprises header information and software mirror image content, the header information comprises first signature information, the first signature information is generated based on a first software mirror image abstract, and the first software mirror image abstract is obtained by calculating the software mirror image content; analyzing the packet header information to obtain first signature information; processing the first signature information to obtain a first software mirror image abstract; calculating the software mirror image content to obtain a second software mirror image abstract; comparing the first software mirror image abstract with the second software mirror image abstract to obtain a comparison result; and if the comparison result is the same, determining that the verification of the software upgrade package is passed. According to the method, various encryption and tamper-proof algorithms are combined to process the software mirror image content, the tamper and cracking risk is reduced, the verification intensity is improved, and the safety is improved.

The application discloses a data encryption communication method and system for a vehicle-mounted Android terminal, and relates to the technical field of digital information transmission.The method comprises the following steps: receiving multiple communication data of the vehicle-mounted Android terminal, and performing data feature analysis and encryption resource monitoring; performing encryption load adaptation analysis on multiple data feature parameters and multiple encryption resource state parameters to obtain a load resource matching coefficient; performing encryption scheme optimization based on the data feature parameters and the multiple encryption resource state parameters to obtain an encryption scheme set; and determining an optimal encryption scheme to implement differentiated adaptive encryption processing on the multiple communication data.The technical problem that the existing vehicle-mounted encryption scheme cannot be intelligently adjusted according to a communication environment and a system resource state, which leads to the influence of communication efficiency and the inability to fully guarantee security when resources are in short supply, is solved.

The present invention discloses a data security exchange system based on the Internet of Things, and relates to the technical field of data exchange systems. The present invention comprises: a user center, wherein the user center is constructed as an encrypted mobile storage medium for secure access of users; and an encryption transmission module, wherein the encryption transmission module is used to perform multiple encryption and decryption processing on encrypted data of the verified mobile storage medium. The present invention ensures the confidentiality of the data transmission process between the internal and external network devices of the Internet of Things and the security exchange module through the user login center and the encryption transmission module, ensures the secure and reliable exchange of data between the internal and external networks of the Internet of Things through the policy control, isolated exchange, and log reporting process of the security exchange module, ensures the efficiency of data interaction between the internal and external networks, optimizes the data packet processing process through the DPDK technology, thereby improving the processing efficiency during the data exchange process, and relieves the storage pressure during the data transmission process through the cloud storage module, thereby improving the overall transmission efficiency.

The invention relates to the technical field of vehicle software, in particular to a vehicle software upgrading system and method.The method comprises the steps that a user terminal initiates an upgrading request to an upgrading server; after receiving the upgrading request, the upgrading server verifies the data packet; after the verification state is successful verification, the upgrade server securely encrypts and transmits the target data packet to the target vehicle; the target vehicle receives the encrypted data and the encryption key and decrypts the encrypted data and the encryption key to obtain a target data packet; and after confirming that the target data packet is completely transmitted, executing software upgrading operation at the vehicle end. According to the method, a user can finish upgrading through the terminal without going to an offline store, so that the cost of manpower, traffic and the like is reduced, and through multiple encryption, verification and communication guarantee, data tampering and attack are prevented, the upgrading progress is fed back in real time, and the personalized upgrading requirement is supported.

The present invention discloses a hardware anti-copy board circuit for a Feiteng processor, comprising a temperature sensor module, a CPLD circuit module, a Feiteng processor module, and a UEFI firmware module. The temperature sensor module, the CPLD circuit module, the Feiteng processor module, and the UEFI firmware module are sequentially connected. The temperature sensor module includes two 8-bit user-readable and writable registers for recording a power-on secret message. The CPLD circuit module is used to read the register data and is controlled by the ACPI power control pins PWR_CTL0 and PWR_CTL1 of the Feiteng processor. Based on the control of these two pins of the Feiteng processor, the CPLD determines whether to generate a reset signal RST to the Feiteng processor. The advantages of the present invention are that the temperature sensor module is used as a memory for the power-on secret message, and the CPLD program is stored internally on the chip, making it extremely difficult to crack the program. Therefore, through multiple encryption methods, the present invention can achieve the purpose of anti-copy board for Feiteng processors.

The invention provides a method for sharing data among multiple service systems, electronic equipment and a computer storage medium, belongs to the technical field of data sharing, and can solve the problems of high cost and poor security of an existing centralized summarization platform. According to the method for sharing the data among the multiple service systems, the processes of mutual authentication, data encryption transmission, user unique identification and the like among the multiple service systems are realized by utilizing an innovative data circulation mode, multiple encryption, a tamper-resistant storage technology and the like, and meanwhile, shared records are uniformly stored to a server platform in a tamper-resistant mode; and a standard, efficient and traceable data sharing solution is formed.

The present application discloses a method for calling and controlling an encryption card and a communication device. The method is applied to the communication device, and the communication device includes multiple processor cores. Each of the processor cores corresponds to a thread pool respectively, and each of the thread pools contains multiple encryption and decryption threads. Each of the encryption and decryption threads corresponds to a processing unit in the encryption card. The method includes: after the communication device receives the first data, determining whether the first data meets the conditions for encryption and decryption processing; in the case where the first data meets the conditions for encryption and decryption processing, starting the encryption and decryption threads in the thread pool to call the processing unit corresponding to the encryption and decryption threads to perform a first processing on the first data to obtain second data.

The invention relates to the technical field of block chains, in particular to identity recognition equipment for a medical block chain, which comprises a quick-release hardware structure consisting of an equipment main body and a bracket structure which can be physically separated, the pupil recognition module is integrated on the equipment main body and is used for completing task positioning and pupil image acquisition in the working area; the hospital end server, the doctor terminal and the cloud block chain system are in communication connection with the equipment main body; compared with an existing static algorithm, the method has the major hidden danger that the algorithm is continuously analyzed and cracked to cause systematic data leakage, and the method has the advantages that equivalent algorithm units are accurately allocated from a dynamic library containing multiple types of encryption algorithms; after each characteristic value is encrypted by an independent algorithm, packaging the characteristic value into a fragmented password string through a key derived tree generated by an equipment IP (Internet Protocol); according to the encryption mechanism based on feature dimension and time efficiency double-factor dynamic reconstruction, an attacker cannot establish an effective decryption model.

The invention relates to the technical field of video stream encryption methods, in particular to a video stream encryption method for a video monitoring system. The problems that when a video stream encryption method is used, video monitoring data are generally stored and backed up through a storage server, but when the video monitoring storage and backup time is long, video files are prone to being lost and leaked, and potential safety hazards exist are solved. Compared with a traditional video stream encryption method for a video monitoring system, the video stream encryption method for the video monitoring system has the advantages that when the video monitoring storage backup time is long, a video file is prone to being lost and leaked, and large potential safety hazards exist; according to the video stream encryption method for the video monitoring system, multiple encryption and decryption methods are set, so that encryption of the monitoring video stream can be effectively realized, the security of video data is protected, the monitoring video can be effectively prevented from being lost, and security protection is increased.

The application relates to the technical field of three-dimensional assets, and provides a three-dimensional asset distribution method and device based on a CDN, equipment and a medium. The three-dimensional asset distribution method comprises the following steps: receiving an access request sent by a user equipment; returning attribute information of a target three-dimensional asset to the user equipment according to identification information of the target three-dimensional asset; resolving a domain name system, and determining a target edge server closest to the user equipment according to a resolution result; receiving a final encryption string of the user equipment sent by the user equipment; the final encryption string is obtained through multiple encryption processes of the user equipment based on the attribute information of the target three-dimensional asset and a sending time of the access request; authenticating the final encryption string, and distributing the target three-dimensional asset to the user equipment through the target edge server after the authentication is passed. The three-dimensional asset distribution method can improve the distribution efficiency of the three-dimensional asset while improving the privacy of user information.

The invention discloses a real-time synchronous intelligent acquisition gateway supporting multi-modal data, and relates to the technical field of data acquisition. Comprising the following steps: configuring an intelligent acquisition gateway on a cloud platform, connecting an external device by using the intelligent acquisition gateway, and carrying out communication verification so as to acquire multi-modal data; based on the intelligent acquisition gateway, preprocessing the acquired data of different modals; and sending the preprocessed data to a cloud platform, and storing the data by the cloud platform according to the priority. According to the invention, through efficient data acquisition, preprocessing and transmission functions, the intelligent acquisition gateway not only ensures the real-time performance and accuracy of data, but also greatly improves the efficiency and flexibility of data processing; the data format can be automatically identified, the sampling frequency can be optimized, and even the acquisition strategy can be dynamically adjusted according to the environment change to realize intelligent acquisition; multiple encryption mechanisms and firewall functions are built in the intelligent acquisition gateway, so that data leakage and illegal access are effectively prevented, and the security of data transmission and storage is ensured.

The embodiments of the present disclosure disclose a product portrait storage method, device, electronic device and computer-readable medium. A specific implementation of the method includes: obtaining user value flow data from a user database; determining at least one user group information and user value attribute information set based on the user value flow data; generating a value value; in response to monitoring that the value value is greater than the target value, encrypting the value value and at least one user group information to generate an initial encryption result; sending the initial encryption result to a multi-layer audit terminal for auditing the value value; in response to receiving audit-qualified information, generating a product value usage portrait corresponding to the target user; and encrypting and storing the product value usage portrait. This implementation effectively protects user information security through multiple encryptions. In addition, it is also possible to accurately generate a usage portrait related to product usage corresponding to the target user.

Systems and methods for coordination and management of keys and instructions for multiple encryption include, responsive to receiving encrypted data that has been encrypted via a plurality of layers of encryption, accessing a coordinator to determine instructions for multiple encryption; and decrypting the encrypted data based on the instructions and utilizing a plurality of keys with a key for each of the plurality of layers of encryption.

The invention discloses an IP-based microwave communication encryption method and system, and the method comprises the steps: generating a license source file based on a time factor according to an MAC address, an available bandwidth, a modulation mode and the like of microwave equipment, importing an AES key to be used in the equipment, encrypting the license file into which the AES key is imported in an AES / RSA mixed encryption mode, and transmitting the encrypted license file to a server; generating an encryption license; on the basis of an equipment management interface or other remote communication means with encryption characteristics, the encryption license is imported, the integrity and the validity of the license are verified, and the license is stored in an encryption chip with the encryption characteristics. According to the invention, multiple encryption means and algorithms are utilized to carry out hybrid encryption to improve the storage security of the key in the device, and an external encryption chip is combined to complete the real-time encryption of the link, so that the network modulation data is subjected to low-delay lossless full encryption to improve the security, privacy and long-term stability of the whole microwave communication system.

The invention provides a visual displacement program encryption authorization method and system, and the method comprises the steps: constructing a device identifier based on a camera serial number and a USB flash disk serial number, and calculating a first device identifier abstract value to generate an authorization request file; generating a public key and a private key through a preset key algorithm to perform signature encryption on the first equipment identifier abstract value to obtain an authorization code, and storing the authorization code in an authorization file; when the visual displacement program is started, reading a current camera serial number, a current USB flash disk serial number and a current authorization file, and calculating a second equipment identification abstract value; carrying out decryption verification on the current authorization file through the public key and the private key to obtain a decryption verification value; and based on the decryption verification value, if the second equipment identification digest value is consistent with the first equipment identification digest value, authorizing the operation of the visual displacement program through the private key. According to the method, encryption authorization is performed on the visual displacement program in combination with a multi-serial number authorization mechanism and a multi-encryption mechanism, and the operation safety of the visual displacement program is improved.

This application provides a multi-core parallel encryption / decryption device. Through a configured encryption / decryption micro-engine, multiple data packets to be encrypted / decrypted, stored in DRAM memory, are distributed to multiple encryption / decryption control modules within the micro-engine. Each encryption / decryption control module calls a DMA controller to copy each data packet to SRAM memory and calls a specific encryption / decryption hardware circuit core to perform encryption / decryption operations on the messages within each data packet. This achieves parallel operation on each data packet, with each operation remaining independent and non-interfering with others, significantly improving the execution efficiency of encryption / decryption operations. It solves the problem in existing technologies where smart network cards (NICs) have limited computing power due to using a single hardware encryption / decryption circuit, making it difficult to achieve the performance indicators of high-speed networks. This helps smart NICs quickly process high-volume real-time services.

The invention relates to a radar agile waveform generation method and device, computer equipment and a storage medium, and the method comprises the steps: firstly obtaining a waveform parameter of a radar original waveform, searching a random code library constructed by a plurality of sequence random codes generated based on a plurality of preset encryption algorithms for a target sequence random code corresponding to the waveform parameter, and modulating the waveform parameter by using the target sequence random code to generate a radar agile waveform. According to the method, the target sequence random code is obtained from the random code library constructed based on multiple encryption algorithms, and the random code is highly random and unpredictable, so that the radar waveform signal generated by modulation has unique characteristics, interference can be effectively resisted, and the survivability of the radar in a complex electromagnetic environment is improved. Meanwhile, waveform parameters can be flexibly adjusted, the resolution for different targets can be remarkably enhanced, radar performance can be optimized, false alarm and missing alarm can be reduced, and stable and efficient operation of the radar can be ensured no matter for multi-target detection or complex scene imaging.