37 results about "Encrypted function" patented technology

The invention discloses a data processing method, device and equipment and a readable storage medium, and the method comprises the steps: setting the state of a logic disk through employing a logic disk operation request sent by a host, and determining a corresponding authentication code and an encryption code under the condition that the encryption and decryption functions of the logic disk are enabled; receiving a data writing request sent by the host, and determining a target logic disk corresponding to the writing position and target data to be written; authenticating the data writing request by using the authentication code of the target logic disk; under the condition that the authentication is passed and the current state of the target logic disk is encryption and decryption starting, encrypting the target data by using an encryption code of the target logic disk to obtain target encrypted data; and writing the target encrypted data into a hard disk space having a mapping relationship with the target logic disk in the redundant array of independent disks. According to the method and the device, the reliability and the security of data stored on the hard disk without an encryption function can be ensured.

The invention discloses a system for realizing file authorization sharing based on an SM2 proxy re-encryption algorithm, and the system comprises a client module which is used for file encryption, key generation and key exchange between users; the server module is used for storing a file ciphertext and a Capsule and carrying out key conversion; and the encryption algorithm module is used for realizing secret key generation based on SM2, file encryption based on SM4 and Hash calculation of SHA3. The method has the beneficial effects that national commercial password standard algorithms such as SM2, SM4 and the like are fully fused, and data encryption and proxy re-encryption functions in a domestic algorithm environment are realized on the basis of ensuring the system security. As an elliptic curve public key cryptographic algorithm autonomously designed in China, the SM2 algorithm has the characteristics of public algorithm structure, high security, excellent calculation efficiency and the like.

A postage generating system and method that allows for the generation of postage without the use of a PSD, while still maintaining the necessary data integrity and non-repudiation aspects. The cryptographic and accounting functions are performed separately when an indicium is generated and reconciled to ensure that every transaction is properly accounted for and funds are deducted from the user's account. The cryptographic functions for an indicium are performed utilizing a cloud-based Hardware Security Module (HSM). Transaction records for indicium generated by an HSM are stored in a database. The accounting is performed by a transaction server, separate and remote from the HSM, to make updates to the client's account to account for generated indicia. An Integrity Monitor Server monitors the consistency of the transactions, i.e., that every transaction performed by an HSM is properly accounted for by the transaction server and funds are deducted from the user's account.

The invention relates to a text compression and encryption method and system based on a large model. The method realizes safe and efficient dynamic encryption through a mixed key architecture, and comprises the following steps: generating an elliptic curve asymmetric key pair and encrypting a dynamically derived symmetric session key; processing the original text through the context input into the large model to generate a to-be-compressed text; mapping the text to be compressed to a binary bit stream through a lossless compression model based on arithmetic coding; generating a session key by adopting a symmetric encryption (AES-GCM) algorithm with authentication and encryption functions to encrypt the bit stream to generate a ciphertext; and splicing the encryption key and the ciphertext into a structured bit stream through zero-bit filling coding. According to the scheme, the context semantic modeling capability of the large language model is utilized, the grammar rule, the character type and the semantic expression of the decompressed text are maintained while the compression capability is guaranteed, the encryption strength is improved, and the method can be widely applied to scenes such as high-speed communication (such as 6G) and the like which need to give consideration to safety and high compression rate.

The invention discloses a hard disk encryption management method, device and equipment and a readable storage medium. The hard disk encryption management method comprises the steps that a hard disk receives a manufacturer custom command from a host; analyzing the manufacturer custom command to obtain an encrypted management command; when the encryption management command is a password setting command, if a first logic space of the hard disk is in an unencrypted state or an unlocked state, converting a first plaintext password into a first ciphertext password through an encryption algorithm; loading the first ciphertext password to an encryption engine of the hard disk, converting the first preset data into first encrypted data by the encryption engine by taking the first ciphertext password as a key, and storing the first encrypted data to a standby area corresponding to a first logic space of the hard disk; and after the first encrypted data is successfully stored, setting the first logic space of the hard disk to be in an encrypted and unlocked state, and replying a command execution result to the host. According to the method and the device, the applicability of a hard disk encryption function is greatly improved, and the password security is greatly improved.

A control system for a vehicle includes a first electronic control unit (ECU) configured to obtain data for communication to another ECU of the vehicle and to encrypt the data using a first key pair to obtain encrypted data, calculate a message authentication code (MAC) using a second key pair, append the MAC to the encrypted data to obtain a MAC-appended encrypted data, and transmit the MAC-appended encrypted data via a controller area network (CAN) of the vehicle, and a second ECU configured to receive the MAC-appended encrypted data from the first ECU via the CAN and to using the second key pair, attempt to verify the MAC and obtain the encrypted data, and in response to verifying the MAC using the second key pair, decrypt the encrypted data using the first key pair to obtain the data.

The invention provides an atomizer and an electronic atomization device, and the atomizer comprises an atomization assembly which comprises an electrode lead; the anti-counterfeiting assembly comprises an electrode connecting part; and the electrode connecting part is electrically connected with the electrode lead, so that the atomization assembly and the anti-counterfeiting assembly are connected in parallel, and when the atomizer is connected with a battery rod, the anti-counterfeiting assembly can communicate with the battery rod. The anti-fake assembly replaces a circuit board, the communication encryption function is achieved, the problems that in the prior art, a PCB is too large in area and low in assembling efficiency are solved, then the assembling efficiency is improved, and the cost is reduced.

A self-encrypting storage device, comprising: a data storage device, for storing data and providing a self-encrypting function for the data; a control unit, connected to the data storage device through a first signal connection; and a wireless communication module, connected to the control unit through a second signal connection, wherein the wireless communication module receives a wireless signal from a first external device and converts the wireless signal into a wired signal transmitted to the control unit. When the wireless signal delivers a decryption command or an authorization information corresponding to the data storage device, the control unit transmits the decryption command or the authorization information to the data storage device. The data storage device then unlocks its self-encrypting function according to the decryption command or the authorization information, to retrieve an operation authority of at least one storage section in the data storage device.

This technical solution relates to the field of digital data processing, in particular to the methods of managing backups of computer devices. The technical result is an increase in the security of backups due to using symmetric cryptographic keys transmitted over a quantum channel, each of which corresponds to a specific backup. The technical result is achieved due to a computer-implemented method of secure management of backup copies of RCM, with the function of RAM encryption on the CPU, using quantum key distribution (QKD), under which: a connection is formed between the RCM, at least one user device and a QKD device, while the QKD device creates a quantum channel, which connects the RCM with user devices, and the RCM and the user devices are connected via a data network; QKD device creates symmetric cryptographic keys, one of one of which is transmitted to the user device for storing registry keys, and the second is transferred to RCM, after receiving the key to the RCM, a backup copy (BC) is created with the help of the central processor, state of the processor memory in a given time is encrypted and transferred to a persistent data storage; and the RCM backup is performed through the following stages: a command from user device to restore the BC is sent, and said command contains a cryptographic key, which was used to form the required BC, encrypted using a new symmetric key derived from the QKD device; in response to a received command, the transmission of the BC to the RAM of RCM is performed; the QKD device is used to transmit said new symmetric key to the CPU and decrypt the primary key; the central processor with the relevant cryptographic key for the BC is used to restore the RCM, and said RCM is stored in RAM and contains the relevant state of the encrypted RAM of the RCM.

Storage device with: a storage unit (130) for storing data; a processor unit (120) for processing the data in accordance with an instruction received from an external device (105); and a key unit (140) for simultaneously processing an encryption corresponding to the command, while the processor unit (120) processes the data.

The utility model relates to the technical field of file storage management devices, in particular to a file storage management device with an encryption function, which comprises a stand column and square plates, the outer wall of the stand column is fixedly connected with the inner sides of a plurality of square plates, the outer sides of the square plates are connected with adjusting structures, and the front side and the rear side of each adjusting structure are respectively connected with an opening and closing structure. The top space of the straight plate is adjusted, after the top space of the straight plate is adjusted, the nut rotates leftwards through the screw rod, the left side of the nut abuts against the right side of the straight plate, friction force is formed between the nut and the straight plate at the moment, fixing of the screw rod and the partition plate is completed, and then a corresponding file is placed on the straight plate to achieve file placement. The space is adjusted, the occupied area is reduced, files are prevented from being separated, the files can be conveniently used and searched, and the file storage management device can classify the files.

The invention particularly relates to a function encryption method based on intelligent decision, which comprises the following steps: acquiring a corresponding function symbol table of an executable file to be processed, identifying the function symbol table, and determining an encryptable function; calling a preset key to encrypt the function plaintext of the encryptable function; identifying each instruction in the encrypted encryption function so as to determine an insertable trap point according to the instruction type, and inserting the trap point in the instruction of the target type so as to complete internal information encryption; and storing the internal encrypted information structure body after internal information encryption in the shell file to complete encryption processing of the executable file. According to the method, the file structure of the executable program is deeply analyzed, the instruction in the function is encrypted, and compared with a traditional encryption and decryption method, the encryption depth is higher, the encryption flexibility is higher, and the encryption range can be freely customized according to the security level and performance requirements of the program.

To provide a setting screen related to functions such as OCR and encryption PDF in a scan application, on the basis of the functional state of an image processing apparatus.SOLUTION: Provided is an MFP 101 that is an image processing apparatus comprising a scanner 205, and has: a network I / F 209 that is receiving means that receives a capability request from an information processing apparatus through a network line 103; and a network I / F 209 that is transmission means that transmits, to the information processing apparatus, a reply with capability information including information on functions provided through scan processing that is executed by using the scanner 205 of the image processing apparatus. Data related to a character recognition function and an encryption function is included in the capability information on the basis of the situation of the image processing apparatus.SELECTED DRAWING: Figure 2

A memory device includes a radio-frequency identification (RFID) component configured to communicate with an external system for transmitting a device identifier to the external system and for receiving data from the external system; one or more memory dies configured to store the data; a communication interface configured to transmit a message that includes a digital signature and the device identifier for authenticating the memory device; and a secure memory controller configured to manage operations of the one or more memory dies. The secure memory controller is configured with a cryptographic function for generating the digital signature based on asymmetric encryption. The RFID component provides a trigger signal to the secure memory controller based on the RFID component being activated by the external system. The secure memory controller generates the digital signature, for being provided in the message, based on the secure memory controller receiving the trigger signal.

Embodiments of the present application provide a memory database encryption method, a database system and an electronic device. The method comprises: in response to an encryption function start request, encrypting a memory database and writing the encrypted memory database into a first persistent file, and encrypting real-time commands for the memory database and writing the encrypted real-time commands into a second persistent file; deleting a third persistent file to determine the first persistent file as a backup file of the memory database, and deleting a fourth persistent file, the third persistent file being a backup file that is not encrypted before the encryption function is started, and the fourth persistent file being a command log that is not encrypted before the encryption function is started, thereby achieving transparent encryption of the memory database and improving data security.

The invention discloses a message negotiation method, a secret key downloading method and electronic equipment. Sending a starting message to the key distribution equipment; receiving a binding message and a binding message signature of the key distribution equipment; verifying the binding message and the binding message signature, and constructing a first exchange message based on the binding message after the verification is passed; the first exchange message is signed through an encryption algorithm to obtain a first exchange message signature, the first exchange message signature is sent to the secret key distribution device, and the encryption algorithm integrates a digital signature and a public key encryption function in a unified mode to form a high-strength short secret key; receiving a second exchange message and a second exchange message signature sent by the key distribution device; and verifying the second exchange message and the second exchange message signature, and completing message negotiation to obtain a key encryption key and a message verification code key after the verification is passed. The key receiving device does not need to support a complete session key generation process, and the requirement for the hardware performance of the key receiving device is further lowered.

The invention discloses a robot system with a misoperation falling prevention protection function and a use method of the robot system. The method comprises the steps that by rewriting a bottom layer parameter file of a robot control system, an output signal related to clamping jaw control is configured to be in a read-only mode, so that manual forced output or key false triggering is forbidden; a position verification function module is developed, a target coordinate X is input, a current actual coordinate Y of the robot is obtained, and a difference value Z of the X and the Y in translation, posture and external axis dimensions is calculated; a verification logic is integrated in a claw loosening or releasing control program, and only when a difference value Z is within a preset tolerance range N (such as 0.1 mm), an action signal is allowed to be output; and packaging the control logic into an encrypted function module. Starting from the two aspects of bottom layer authority and spatial position accurate verification, the workpiece or clamp falling accident caused by manual misoperation is fundamentally eradicated, zero-falling protection is achieved, no sensor needs to be additionally arranged, and system safety and operation convenience are both considered.

This invention discloses a hardware circuit supporting SM3 encryption, relating to the field of information security cryptography. It includes a register configuration component, an initialization and update component, and an SM3 hash calculation component integrated at the top layer of the chip and interconnected in pairs. The register configuration component includes a message register, an IV value setting register, a status register, a hash result register, and an SM3 control register. The register configuration component is connected to the CPU via a CPU_IF interface, through which the CPU performs read and write operations on each register. The initialization and update component receives the message data to be encrypted from the message register and the IV value from the IV value setting register, packages the received IV value as the initial IV value and the message data to be encrypted, and forwards it to the SM3 hash calculation component. The SM3 hash calculation component calculates the hash value based on the message data and the IV value, performs endianness conversion, and sends the hash result back to the hash result register. This invention enhances the overall security and computational speed of the chip system.

This invention discloses a low-resource AES encryption system and method based on heterogeneous computing, belonging to the field of information security hardware acceleration technology. Based on the traditional AES algorithm, a fixed-round multiplexing control module and an external dedicated XOR circuit are introduced. The fixed-round multiplexing control module sequentially executes SubBytes and ShiftRows transformations within the FPGA. By employing in-round operation multiplexing and state register sharing, high-level reuse of logic resources is achieved, significantly reducing the FPGA's lookup table usage. By decomposing the MixColumns operation into a two-stage pipeline structure of internal FPGA xtime transformation and external XOR circuit, and using an external 74LVC574 register to synchronize the data path in real time, precise matching of computational latency and area optimization are achieved. This system implements secure and reliable AES encryption with limited hardware resources. Combined with a dynamic masking mechanism, effective protection of intermediate states is achieved, significantly enhancing the system's resistance to side-channel attacks and reducing hardware costs and resource overhead while ensuring throughput.

A self-encryption storage device and an operation method thereof, the self-encryption storage device comprising: a data storage for storing data and providing a self-encryption function for the data; the control unit is connected with the data storage device through a first signal; the wireless communication module is connected with the control unit through a second signal in an online mode, the wireless communication module receives a wireless signal from a first external device, converts the wireless signal into a wired signal and transmits the wired signal to the control unit, and when the wireless signal sends a decryption instruction or authentication information corresponding to the data storage device, the wireless communication module sends the decryption instruction or the authentication information corresponding to the data storage device to the control unit. The control unit transmits a decryption instruction or authentication information to the data storage device, and the data storage device unlocks the self-encryption function of the data storage device according to the decryption instruction or the authentication information so as to obtain an operation authority of the at least one storage section.

The invention provides an order-preserving encryption method, a data query method and a data storage method. The order-preserving encryption method comprises the following steps: acquiring plaintext data, and performing order-preserving random mapping on the plaintext data to obtain first order-preserving coded data; carrying out decryptable encryption processing on the plaintext data to obtain decryptable ciphertext data; and splicing the first order-preserving coded data and the decryptable ciphertext data to obtain order-preserving ciphertext data. And according to the size sequence relationship of the first order-preserving codes, operations such as sequence-related comparison sorting query and the like in the secret state database can be quickly completed, and a plaintext form result corresponding to query is obtained. Compared with a common order-preserving encryption algorithm, the order-preserving coding encryption method and device can realize an efficient and safe order-preserving coding encryption function with a controllable ciphertext length.

A matrix code based on pan-artificial intelligence, comprising three layers of structure from an outside to an inside, namely, an outer open code area, a core layer code area, and a matrix core layer code area; the outer open code area is generated by AI software according to specific requirements; the core layer code area has a firewall layer and advanced encryption functions, and the core layer code area manages and controls the outer open code area; the matrix core layer code area serves as the most core intervention and correction method of AI, acting as a deep encryption core information zone. Through the use of multi-layer structures and optical media composite materials, the information storage capacity is significantly improved to meet the needs of the big data era; the dual encryption mechanism of the core layer and matrix core layer effectively prevents information leakage and tampering, improves security.

The application provides an encryption method for an in-memory computing system, and belongs to the field of neural network accelerators.The application uses a field effect transistor device with a gate storage layer and bipolar transport characteristics as a ciphertext weight storage unit capable of realizing XNOR operation;the non-volatile gate storage mechanism is used to realize storage of ciphertext weights, and the controllable bipolar transport characteristics can realize XNOR operation of inputs and ciphertext weights. The application can realize in-situ decryption multiplication on ciphertext weights by using only one device, and the array formed thereby can realize an in-memory computing system with an encryption function. Compared with a conventional MOSFET-based implementation mode, the application can significantly reduce hardware overhead, and is conducive to implementation of a large-scale encrypted neural network accelerator chip.

The embodiment of the invention discloses an Internet of Vehicles / unmanned aerial vehicle data security warning method based on multiple encryption channels. The specific embodiment of the method comprises the following steps: initializing an encryption channel set; according to the algorithm type and state of each encryption channel in the encryption channel set, selecting at least one encryption channel in the encryption channel set to generate an idle encryption channel sequence; determining a first idle encryption channel in the idle encryption channel sequence as a task request channel, and inputting the task request to the task request channel; distributing an encryption function area for the task request to obtain an encryption function area sequence; splitting the task request into a plurality of sub-task requests to obtain a sub-task request sequence, and allocating a step buffer area for each sub-task request in the sub-task request sequence to obtain a step buffer area sequence; and executing a copy-free update operation on the plurality of sub-task requests to output a task request result. According to the embodiment, the data safety warning speed of the vehicle / machine equipment can be increased.

The application discloses an offline session method of an Internet of Things device, and is applied to an Internet of Things system and relates to an edge gateway, and comprises the following steps: when receiving a device identifier sent by an Internet of Things device to the edge gateway, generating a first random number according to a random number creation function; performing point multiplication operation in an elliptic curve based on the first random number to generate a first random point; sending the first random point to the Internet of Things device, and performing offline authentication with the Internet of Things device based on the first random point. Therefore, since the device authentication and communication encryption function are realized through the elliptic curve password improvement algorithm of the identifier, the device calculation only needs one elliptic curve point multiplication operation, the storage function can be completed by requiring only a small amount of storage space, the lightweight algorithm is realized, the identity security and credibility of the Internet of Things device can be ensured, and the data transmission security can be protected.

The invention provides a self-adaptive security proxy re-encryption method and system with compact security, and belongs to the technical field of cryptography. The method supports operation under honest re-encryption attack and selective ciphertext attack security models, and comprises the following steps: executing system initialization based on security parameters, and outputting public parameters; executing a key generation algorithm based on the public parameter, outputting a public key and a private key of the user, and generating a re-encryption token based on the private key; executing an encryption algorithm based on the user public key and the plaintext message, and outputting a ciphertext; executing a decryption algorithm based on the user private key and the ciphertext, and recovering the plaintext message; and executing a re-encryption algorithm based on the re-encryption token, the source user public key, the target user public key and the ciphertext, and outputting a re-encrypted ciphertext. According to the invention, the problem that the security loss is increased along with the user number index under the self-adaptive attack in the existing scheme is solved. And the internal contradiction between the CCA security and the re-encryption function is solved.

The invention discloses AODF access equipment integrated with an encryption function, a diverse management method and a storage medium, and belongs to the technical field of optical fiber communication equipment access management. The equipment comprises a master control and southbound adaptation module, a northbound security communication module and a unified data management and forwarding module. Wherein the master control and southbound adaptation module adapts and unifies private protocols and data formats of AODF equipment of different manufacturers through a pluggable protocol driver library and a data normal form engine; an IPSec encryption tunnel is established between the northbound security communication module and an upper management platform, so that the data transmission security is ensured; the unified data management and forwarding module is responsible for routing data and instructions between the south module and the north module. According to the scheme, the technical problems that heterogeneous AODF equipment is difficult to access, poor in compatibility and lack of safety guarantee due to different protocols are solved, and safe, standardized and low-cost unified access management of equipment of multiple manufacturers is realized.

This disclosure provides an SRv6 protocol forwarding path transmission method, apparatus, electronic device, and computer-readable storage medium, relating to the fields of network technology and security technology. The method includes: filling an SRv6 data packet with a list of encrypted segments generated corresponding to multiple target forwarding nodes; determining the random key and encryption function parameters corresponding to the target forwarding node, and the encrypted node network address parameters of the next forwarding node, based on the SRv6 data packet sent by the previous forwarding node; decrypting the function parameters corresponding to the target forwarding node and the node network address parameters corresponding to the next forwarding node based on a first decryption key and a second decryption key; replacing the filled node network address parameters with the target address, and forwarding the SRv6 data packet to the next forwarding node. This disclosure significantly increases the difficulty for attackers to intercept the complete forwarding path and service processing rules, effectively protecting customized paths from interception and eavesdropping.

The invention discloses a communication method and device, relates to the technical field of communication, and can reduce the tedious degree of an access process, shorten the access duration and improve the communication performance when terminal equipment roams from first equipment to second equipment. The method comprises the following steps: a first device sends first information to a main access device under the condition that a whole network and downlink encryption function is opened; the first information comprises an encrypted pairwise temporary key PTK, and the PTK is the PTK obtained by interaction between the first equipment and the terminal equipment; the main access device sends second information to one or more second devices associated with the main access device according to the first information; wherein the second information comprises the encrypted PTK; the second equipment is other FTTR equipment except the first equipment in the FTTR equipment associated with the main access equipment.

1. The name of the design product: USB flash disk with encryption function. 2. The use of the design product: for storing file encryption. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.