252 results about "Multiple encryption" patented technology

The invention discloses a communication encryption method based on a two-dimensional inorganic / inorganic Van der Waals heterojunction polarized photoelectric detector, and belongs to the technical field of photoelectric devices. The photoelectric detector comprises a substrate, two-dimensional MoSe2 material layers, two-dimensional ReS2 material layers and a thin film electrode, wherein the two two-dimensional material layers form a Van der Waals vertical heterojunction and are of an II-type heterostructure; due to anisotropic light absorption of ReS2, effective carrier collection and transport capabilities of MoSe2 and an inhibition effect of heterojunction on dark current, the photoelectric property of the two-dimensional ReS2 / MoSe2 photoelectric detector is obviously improved, and meanwhile, the two-dimensional ReS2 / MoSe2 photoelectric detector has high responsivity of 89.4 A / W, fast response speed of 30.5 s and polarization sensitive characteristics, and can be applied to the field of photoelectric detectors. On the basis, information is subjected to multiple encryption by means of a polarization state information encryption technology, so that the concealment and security of an information transmission process can be greatly improved, and a new possibility is provided for the development of a security communication technology in the future.

The invention discloses a file transmission protection method, system and device based on multiple encryption algorithms, and relates to the technical field of information, and the method comprises the steps: selecting a target file needing to be transmitted, carrying out the preprocessing, and generating file fragments; analyzing the sensitivity of each file fragment, and performing hierarchical encryption processing to obtain an encrypted fragment set; selecting a steganography carrier file, and embedding the encrypted fragments into the carrier file to generate a steganography index table; generating a dynamic session key based on the confusion key pool, encrypting the steganographic file transmission layer and embedding a dynamic key generation parameter; the receiving end generates a session key according to the transmission message header, decrypts the transmission layer data, extracts the steganographic file and decrypts the steganographic file; recombining the decrypted and recovered fragmented data into a complete file according to an identifier sequence; by dynamically matching the steganography carrier file, the efficient embedding of the fragmented data and the generation of the steganography index table are realized, and the concealment and the adaptability in the transmission process are ensured.

The invention provides a block chain-based production breaking information management method and system, and the method comprises the steps: collecting production breaking management information in a production breaking management process, and carrying out the encryption of the production breaking management information for multiple times; the encrypted production breaking management information is packaged and linked, and a fragmentation mechanism carries out fragmentation storage on different types of data; dynamically adjusting the weight of the consensus node, and carrying out transaction verification in each fragment through a dynamic consensus algorithm; after consensus verification, an innovative Hash chain is constructed by using a wave function, and further verification is carried out. Through the method and the corresponding system, the system performance and the tamper-proof capability of the data can be effectively improved, and the rights and interests of the participants and the integrity of the data are ensured.

Examples herein describe a scalable tweak engine and prefetching tweak values. Regarding the scalable tweak engine, it can be designed to accommodate different bus widths of data. The scalable tweak engine described herein includes multiple tweak calculators that can be daisy chained together to output multiple tweak values every clock cycle. These tweak values can be sent to multiple encryption cores so that multiple data blocks can be encrypted in parallel. Regarding prefetching tweak values, previous encryption engines incur a delay as the tweak value (e.g., a metadata value) for a data block is calculated. In the embodiments herein, the encryption engine can include an independent metadata engine that determines the metadata value for a subsequent data block while the current data block is being encrypted.

The invention discloses an LED display screen display encryption method and encryption system, and relates to the technical field of screen display encryption. Comprising a secret key management module which is responsible for generating, distributing and updating secret keys and ensuring safe storage and transmission of the secret keys; the encryption and decryption module is used for realizing encryption and decryption algorithms and supporting multiple encryption strength selections; the data transmission module is responsible for transmitting and receiving encrypted data and comprises an error detection and correction mechanism; and the user interface module provides a user operation interface and has encryption parameter setting and key input functions. According to the invention, through the intelligent key management module, a key generation strategy is dynamically adjusted according to historical data and real-time analysis and prediction of a possible attack mode, so that the security of the key is improved; in combination with an artificial intelligence algorithm, the encryption strength is automatically adjusted according to the environment where the LED display screen is located and the sensitivity of the display content, and the safety and the system resource consumption are balanced.

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 provides an identity verification method and device based on a micro-fluidic technology, the device comprises a micro-fluidic chip, a computer, and a first MCU controller and a second MCU controller which are embedded in the micro-fluidic chip, first encryption is carried out through the second MCU controller, then second encryption is carried out through the computer, and a ciphertext is stored in a block chain; according to the invention, automatic collection, amplification, encryption processing and data storage of blood DNA can be completed through the micro-fluidic chip, and safety verification of identity information is realized through a computer and block chain technology; according to the invention, AES-CCM and ECC elliptic curve encryption algorithms are adopted, and role-based access control is combined, so that remote and safe data transmission and processing are realized; portable biological detection and identity verification can be realized in an environment separated from a laboratory, and the security and non-tampering property of data are guaranteed by multiple encryption and block chain technologies.

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 invention discloses a platform authentication and configuration loading method and device, electronic equipment and a medium, and the method comprises the steps: generating a platform unique identifier based on a platform name of a target platform, and obtaining configuration information of the target platform in response to a configuration demand of a target object; performing multiple encryption on the platform unique identifier and the configuration information to generate a license file; the license file comprises a first public key, a key ciphertext, an identification ciphertext, a verification ciphertext and an information ciphertext; transmitting the license file to a target deployment environment, so that the target deployment environment performs multi-segment decryption on the key ciphertext, the identification ciphertext and the information ciphertext based on the first public key and performs consistency verification based on the verification ciphertext to obtain decryption configuration information; and carrying out platform initialization loading according to the decryption configuration information. The embodiment of the invention can safely and efficiently realize platform authentication and configuration loading, and can be widely applied to the technical field of data processing.

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 an end-to-end financial data encryption method and system based on cryptography, and the method comprises the steps: obtaining the data attribute of financial data, determining the related business attribute of the financial data according to the data attribute, and determining the encryption level of the financial data according to the related business attribute; constructing a cryptographic task based on the encryption level, and scheduling a plurality of encryption modules according to the cryptographic task to generate a plurality of groups of encryption keys; carrying out matrix processing on each group of encryption keys to obtain a password matrix and setting a time sequence change state of each group of encryption keys in the password matrix; and detecting an end-to-end equipment access time point, determining a current encryption key according to the equipment access time point and the time sequence change state of each group of encryption keys in the password matrix, and carrying out encryption transmission on financial data through the current encryption key. According to the invention, encryption can be carried out by using different encryption keys according to the access time points of the equipment, so that the encryption stability and the encryption reliability are improved, and the possibility that the keys are cracked is reduced to a great extent.

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.

Embodiments of apparatuses, methods, and systems for scalable multi-key memory encryption are disclosed. In an embodiment, an apparatus includes a core, an encryption unit, and key identification hardware. The core is to write data to and read data from memory regions, each to be identified by a corresponding address. The encryption unit to encrypt data to be written and decrypt data to be read. The key identification hardware is to use a portion of the corresponding address to look up a corresponding key identifier in a key information data structure. The corresponding key identifier is one multiple key identifiers. The corresponding key identifier is to identify which one of multiple encryption keys is to be used to encrypt and decrypt the data.

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 provides an information transmission multiple encryption and decryption method and system based on a random light field, and relates to the technical field of optical encryption, and the method comprises the steps: encrypting plaintext information and multiple secret keys into a coherent structure of the random light field, and synthesizing the random light field carrying ciphertext information and secret key information through employing a complex amplitude coding algorithm; performing far-field transmission on the synthesized random light field; measuring a coherent structure of a transmitted random light field by using a phase perturbation method, and decrypting information encrypted in the random light field in a far field through inverse transformation in combination with a decryption key; the existing optical encryption technology is expanded by utilizing optical coherence engineering, the development of an optical encryption system for high-security information storage and transmission is promoted, and the application of the optical coherence engineering in high-security optical communication and quantum information is stimulated.

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.

The invention discloses a point-to-point security upgrading method for metering equipment of an electric energy meter and an acquisition terminal. Before an upgrading upper computer sends a program file to a device end, identity authentication is carried out on the device end by means of transmission of a random number, and the two parties determine a message key when the program file is encrypted and sent according to an intermediate variable generated by the transmitted random number in the identity authentication process; then upgrading the upper computer and the equipment end to carry out encryption transmission and decryption of the program file according to the determined message key; the encrypted transmission content comprises the program file and verification information corresponding to the program file. According to the invention, the effectiveness and integrity of file transmission during upgrading can be ensured, and the security of file transmission is improved through a plurality of encryption modes.

The invention relates to the technical field of secure computers, and discloses a secure computer anti-tamper system which comprises a multiple encryption module, a physical lock module, an intelligent sensor module, an alarm module, a user interface module and a cloud management platform module. The multi-encryption module is combined with a physical lock and a software encryption technology, and a computer system is protected through a multi-level encryption method. By combining a physical lock and various advanced encryption technologies, the security of the computer anti-disassembly system is remarkably improved, the physical lock provides basic hardware protection and prevents unauthorized disassembly and physical invasion, meanwhile, the system adopts multiple encryption algorithms to perform encryption protection on data and communication, the difficulty of cracking the system is increased, and the security of the system is improved. And the intelligent sensor monitors the state of hardware in the computer in real time, so that the system can provide higher protection capability when facing potential security threats, and the security of data and hardware is ensured.

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.

A data storage encryption method, device and electronic device relate to the field of data processing. In the method, respond to the encryption request of the user, and obtain the data to be encrypted; use the preset public key to encrypt the data to be encrypted to obtain the basic encrypted data; determine the encryption node for responding to the encryption request among multiple spare nodes; obtain the node public key corresponding to each encryption node; use each node public key to perform secondary encryption on the basic encrypted data to obtain multiple target encrypted data; interleave and send the target encrypted data to each encryption node for storage, wherein the first encryption node does not receive the first encrypted data, the first encryption node receives the second encrypted data, the first encryption node is any one of the multiple encryption nodes, the first encrypted data is encrypted by the first node public key corresponding to the first encryption node, the second encrypted data is encrypted by the second node public key corresponding to the second encryption node, and the second encryption node is any one of the multiple encryption nodes except the first encryption node. Implementing the technical solution provided by the present application reduces the probability of data being leaked when the node is attacked when it is stored in the node.

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.