33results about How to "Verify integrity" patented technology

The embodiment of the invention discloses a database integrity verification method, device and system, a medium and equipment, and the method comprises the steps: firstly, injecting a section enhancement code at a preset tangency point position of a database; then, when a modification operation for the database is received, executing the section enhancement code to generate a verification hash value corresponding to the modification operation; and further, calling a password service of a trusted third party, and performing data signature on the target data corresponding to the modification operation by the verification hash value through the password service. And finally, verifying the database data based on a hash operation message authentication code obtained by verifying the hash value and the data signature so as to determine whether the database is tampered or not.

The invention discloses an intelligent tamper alarm and data self-destruction protection terminal equipment system, which relates to the technical field of data security, and comprises a sensor detection module, an environment sensing module, an operation recording module, a data summarization module, a data analysis module and a risk assessment module. In combination with the environment sensing module, the physical state and surrounding environment information of the equipment can be comprehensively and accurately collected, meanwhile, the operation recording module records all operation behaviors of the equipment in detail, the data analysis module carries out deep analysis on the data through an advanced algorithm, and the risk assessment module can calculate risk coefficients according to the comprehensive data. Therefore, the state of the current terminal equipment can be analyzed according to the risk coefficient, normal operation or environment change is effectively prevented from being misjudged as a disassembly or intrusion behavior, the false alarm rate is remarkably reduced, and unnecessary troubles brought to a user due to false alarm are reduced.

The invention relates to the field of data encryption, and particularly discloses an encryption method and system compatible with multiple encryption algorithms, and the method comprises the steps: a, receiving to-be-encrypted data inputted by an enterprise user and encryption parameters specified by the user through a user interface; b, dynamically selecting a proper encryption algorithm by using an encryption management module according to the sensitivity, access requirements and data characteristics of enterprise data; c, converting the to-be-encrypted data into an applicable format of the selected encryption algorithm by using an algorithm adapter; by dynamically selecting and combining a plurality of encryption algorithms, the system can provide higher-level protection according to the sensitivity of data and the security requirement of an enterprise; the algorithm adapter and the encryption management module allow the system to flexibly adapt to different data characteristics and security parameters, so that the compatibility with various encryption algorithms is ensured; meanwhile, the system adopts the Hash function and message authentication code technology, the system can verify the integrity of the data in the transmission and storage process, and unauthorized tampering is prevented.

The invention relates to the technical field of information security, in particular to a database tamper-proofing method and system based on a trusted computing environment, and the method comprises the steps: S1, receiving data transmitted into the database by adopting a security protocol communication TLS, carrying out the preliminary verification and cleaning of the data, generating a verification key through a trusted computing module TPM, and storing the verification key in a secure storage area of the trusted computing module; s2, loading the verified data into a feasible computing environment TEE to generate an encryption key, and storing the encryption key in an internal storage area of the feasible computing environment TEE; s3, performing integrity verification on the encrypted data in the feasible computing environment TEE; and S4, leaving the checked data from the feasible computing environment TEE through the security protocol communication TLS, and transmitting the checked data to a tamper-proof database for storage. The data processing and storage operation is executed in the trusted computing environment, the integrity and non-tampering property of the operation record are ensured by using the tampering-proof database, and the credibility and safety of the whole data processing and storage system are improved in a combined mode.

The invention relates to the technical field of 5G infrastructure intelligent detection, in particular to a multi-sensor fusion intelligent detection method and system for a 5G infrastructure, which realizes real-time monitoring of the appearance and environmental parameters of 5G infrastructure equipment by integrating an image sensor, a temperature and humidity sensor and a vibration sensor, establishes a data interaction protocol, and improves the detection accuracy of the 5G infrastructure equipment. Processing and analyzing the collected data, generating a joint certificate, checking and verifying the integrity and availability of the data, then carrying out fault detection and health state evaluation by using a visual fault detection model and a state variable prediction model, and carrying out intelligent decision making according to an evaluation result and a decision fusion rule base. Comprising self-diagnosis operation, fault information recording, emergency alarm sending and emergency plan triggering, collected data, fault levels and intelligent scheduling decisions are displayed in real time through a graphical interface, and a visual monitoring interface is provided for maintenance personnel. According to the invention, the operation efficiency and safety of the 5G infrastructure are improved.

The invention relates to the technical field of data security, in particular to an enterprise data security management method and system. The method comprises the following steps: acquiring file information and a parallel export parameter set, and determining export time sequence information on the basis of the file information and the parallel export parameter set; based on the file information and the parallel export parameter set, performing node randomization generation processing on the export time sequence information, and determining dynamic time node sequence information; based on the file information, generating a random file segment dynamic key set according to the dynamic time node sequence information; acquiring a real-time verification parameter set, performing real-time security verification on each file segment according to the real-time verification parameter set based on the random file segment dynamic key set, and determining verification result sequence information; according to the verification result sequence information, whether file export operation is interrupted or not is judged, and real-time safety verification information is determined and output. According to the method and the device, efficient and high-security encryption of the exported file is realized through a real-time segmentation encryption means taking the random time point as a reference.

The invention provides a software installation package signature method and system based on digital certificate state check. The method comprises the following steps: acquiring a user terminal equipment fingerprint and a user digital certificate which initiate a software installation package code signature request, and an organization digital certificate of an organization to which a user belongs; obtaining original data of the software installation package to be signed, adding the fingerprint, the timestamp and the CRL file of the user terminal equipment, and performing digital signature to obtain signature data of the software installation package; encrypting the original data of the software installation package by using a public key in the user digital certificate to obtain a digital envelope I, and encrypting the digital envelope I for the second time by using a public key in the organization digital certificate to obtain a digital envelope II; and packaging the digital envelope II and the signature data of the software installation package into a software installation release package. The invention aims to optimize the code signature process, implement strict state check and improve the security and reliability of code signature.

The invention belongs to the field of secure multi-party computing, and discloses a method for combining an RS (Reed-Solomon) code list decoding algorithm, cyclic redundancy check and a secure multi-party computing scheme, which improves the security of secure multi-party computing. And theoretically, the algorithm combining RS code list decoding and CRC exists, so that the secure multi-party computing scheme can resist at most one half of hostile attackers. Meanwhile, a specific method combining an RS code list decoding algorithm and CRC is given, the limitation of the unique decoding radius of the RS is broken through, the error correction capability of the RS code is improved with high probability, and the security of secure multi-party calculation is improved. The method specifically comprises the following steps: calculating a CRC check code of information and combining the CRC check code with the information to obtain a combined code word; performing RS coding on the code word; carrying out list decoding on the attacked code word; each code word in the list is verified, and original information and a secret value are obtained in a probabilistic mode.

The present disclosure provides a remote attestation method, device, electronic device and storage medium. The method is applied to a first trusted execution environment, and includes: obtaining a first file for a first application, the first file is used to deploy the first application in the first trusted execution environment, and the first file includes a read-only target file system; obtaining a first measurement value for the target file system; loading the first file, writing the first measurement value into a command line for starting a kernel, starting the kernel in the first file based on the command line, so as to deploy the first application in the first trusted execution environment; measuring the kernel and other components to obtain a second measurement value, so as to remotely attest the first application based on the second measurement value.

The invention discloses a data transmission state remote monitoring method and system, and the system comprises a data coding module, a plurality of independent transmission lines, a network sensor module, a data transmission fault diagnosis module, a check point module, a self-adaptive adjustment module and a log recording module. Redundant coding and serial number addition are carried out through a hash code and a time sequence code; establishing a plurality of independent transmission routes, and starting a standby route when the transmission routes have problems; the state of a transmission link is monitored in real time through a network sensor; carrying out data transmission fault diagnosis by using a partial binary tree twinborn support vector machine algorithm model; setting a check point in a transmission link, and verifying the correctness and integrity of the data by verifying the hash value and the sequence code; transmission parameters are adaptively adjusted and a standby transmission route is started according to a fault diagnosis result and a real-time data analysis result, so that the reliability and the accuracy of data transmission are improved.

The invention discloses a real-time communication processing method, terminal equipment, a storage medium and a program product. The sending end extracts data frames from the collected streaming media data in real time; calculating a hash value corresponding to the data frame, and calculating a corresponding signature by using a private key of the sending end when the data frame is a key frame; the original data used for calculation comprises a data frame and a hash value corresponding to the previous data frame; and then sending the data frame and the corresponding hash value and signature to a receiving end. And after receiving the data frames, the corresponding hash values and the signatures, a receiving end respectively verifies the data frames, the corresponding hash values and the signatures, and renders and plays the corresponding data frames after the verification is passed. By adopting the scheme, the data frame in the data stream sent by the sending end during real-time communication has relatively strong tamper-proof capability and relatively good verifiability, and the receiving end can effectively verify the integrity of the content and the authenticity of the source, so that real and reliable information is displayed for a user at the receiving end, and the security guarantee for the user during real-time communication is improved.

This invention discloses an archived data access control method based on privacy computing, belonging to the field of archived data privacy computing access control technology. To solve the problem that long-term archived data in holographic media is prone to exposing query objects, access frequency or permission relationships during multi-subject query, authorized reading and auditing processes, this invention achieves the technical effect of reducing the risk of leakage of sensitive usage information under the premise of verifiable access and auditing through the collaborative processing of archived access packages, private information retrieval or anonymous access, zero-knowledge authorization proof, threshold authorization reading capsule and commitment-based audit log.

The invention discloses a longitudinal encryption authentication method and system for power monitoring, and the method comprises the steps: obtaining to-be-encrypted data of power monitoring, and carrying out the analysis of the to-be-encrypted data, and determining a sensitivity level; segmenting the to-be-encrypted data according to the sensitivity level, and performing hierarchical division on the segmented to-be-encrypted data; determining an encryption algorithm of the to-be-encrypted data according to the hierarchies, and performing encryption processing on the to-be-encrypted data of different hierarchies according to the encryption algorithm; and performing hash processing on the encrypted to-be-encrypted data of different levels to generate an abstract, and signing the abstract to complete authentication of the encrypted to-be-encrypted data. According to the method, the data is divided and encrypted and authenticated according to the sensitivity level, so that the high-sensitivity data is protected more strictly, the low-sensitivity data is encrypted in a relatively lightweight level, the data is ensured not to be easily obtained or tampered in the storage and transmission process, the verification requirements on the integrity and authenticity of the data are met, and the verification efficiency is improved. And the sensitive data can be effectively protected and managed.

The invention provides a traceability mechanism of a material weighing tank calibration device and a traceability method of the traceability mechanism. The mechanism comprises a base, a standard sensor, a stand column, a connecting support, a platform and a standard measuring instrument. The stand column is arranged between the base and the weight bearing platform and is used for supporting the platform to enable the platform to be in a horizontal position; the standard sensor is arranged between the bottom of each stand column and the base and is used for weighing the weight of a weight loaded on the platform; the standard measuring instrument is connected with all the standard sensors and is used for displaying numerical values of the standard sensors; the connecting support is arranged on the stand column in a sleeving mode and used for transmitting the weight of the weights loaded on the platform to the material weighing tank calibration device. The device provided by the invention is simple in structure and low in cost, and can accurately calibrate the material weighing tank calibration device.

The invention relates to an execution mechanism program verification method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining an execution program of an execution mechanism, placing the execution program in a storage area, obtaining a storage program, carrying out verification calculation on the storage program, obtaining a calculation verification value of the storage program, and carrying out verification calculation on the calculation verification value. Obtaining a comparison verification value of the calculation verification value, and determining a verification result of the storage program according to a comparison result of the calculation verification value and a first preset verification value and a comparison result of the comparison verification value and a second preset verification value; according to the method, the accuracy and the reliability of verification of the storage program are improved, on one hand, the integrity and the correctness of the storage program can be verified, and on the other hand, the integrity and the correctness of the calculated verification value can be verified.

The invention discloses a software integrity verification method and system based on a USBKey, the software integrity verification method based on the USBKey comprises the steps that after application software is started, the USBKey is automatically called to execute integrity verification on the application software, if the integrity verification result returned by the USBKey is that verification is passed, the application software continues to run, and if the verification is passed, the application software continues to run. Otherwise, the application software stops running and quits. According to the method, the USBKey and the software integrity verification operation are combined to ensure that the software or the software package is not tampered or damaged in the transmission, storage or deployment process, storage, access and transmission of the software signature value are carried by USBKey hardware equipment, the safety of the software integrity verification value is ensured, the software integrity verification operation is realized in the USBKey equipment, and the software integrity verification operation is convenient and fast. The security of the integrity operation process is ensured, and the credibility of software is ensured.

The invention discloses a data desensitization processing method based on AI. The data desensitization processing method comprises the following steps that 1, multi-modal data preprocessing and sensitive field intelligent identification are carried out; step 2, intelligent matching of a desensitization strategy; 3, performing multi-dimensional verification and self-adaptive optimization on the desensitization effect; according to the method, the sensitive field recognition precision is high, the efficiency is excellent, a recognition framework with the rule engine and the fine-tuning AI model fused is adopted, the rule engine achieves rapid recognition of the high-confidence sensitive field, and the recognition efficiency is improved; the fine-tuning AI model is trained through an industry exclusive sample set, has good industry adaptability, improves the recognition precision in a complex scene, eliminates recognition conflicts in combination with a D-S evidence theory, and has the overall recognition accuracy not lower than 96%, which is significantly superior to that of an existing single recognition method.

The present invention discloses a data encryption system based on a storage-computing integrated architecture, and relates to the field of data encryption. The data encryption system based on the storage-computing integrated architecture includes: a data receiving subsystem, a storage subsystem, an encryption subsystem, and an output subsystem; the data receiving subsystem is used to receive data to be encrypted and perform preprocessing; the storage subsystem is used to pre-store static parameters in the encryption algorithm, specifically a rotation factor array and a modulus; the encryption subsystem is used to call the static parameters in the encryption algorithm pre-stored in the storage subsystem to perform number theory transformation encryption processing on the pre-processed data to be encrypted. The present invention uses the storage-computing integrated architecture adopted by the encryption subsystem to perform the polynomial multiplication calculation with the largest overhead in the cryptographic algorithm at high speed and low power consumption, and combines number theory transformation and modular reduction operations at the same time, thereby solving the speed and power consumption bottleneck problems caused by data handling in the traditional cryptographic hardware architecture.

The invention discloses a hotel management system and method, and relates to the technical field of hotel management, and the system comprises a shopping mall module which is used for displaying hotel information, providing an online reservation function, and generating a transaction order; the ticket module is used for generating ticket code information according to the transaction order; the database module is used for storing hotel information and transaction information; the PMS module is used for managing and maintaining hotel information and transaction information; and the data encryption module is used for ensuring the security of the data through an encryption algorithm and an access control method. According to the technical scheme provided by the invention, diversified support for hotel room coupon types can be realized, flexible inventory management and price strategies are provided, room coupon selling and reservation requirements of different sellers are met through a customized scheme, and the application value is relatively high.

The invention provides a cloud chain combination privacy protection method for electronic archive data. The method comprises the following steps: S1, respectively constructing an electronic archive acquisition end and a cloud chain end; s2, identifying the acquired electronic archive data through the electronic archive acquisition end, and obtaining an identification result; s3, the cloud chain end performs block chain consensus publishing on the identification result; s4, the cloud chain end performs timestamp node recording for the block chain consensus performed by the consensus party and stores the timestamp node block chain consensus content in the cloud chain end; s5, the cloud chain end performs role limit division on the consensus party; and S6, the consensus party role performs corresponding block chain consensus privacy operation according to the limited right divided by the cloud chain end. According to the method, cloud link combination operation can be carried out on the electronic archive data, and meanwhile, the security and privacy of the electronic archive data in the sharing process are ensured by controlling the access permission and the sharing range of the data.

The invention relates to the technical field of virtual systems on chip, and discloses a virtual system on chip, an I-O pin multiplexing simulation method and device thereof and a storage medium. Wherein each virtual on-chip device of the virtual on-chip system comprises a plurality of virtual ports, the virtual I O module comprises a plurality of virtual off-chip ports, a plurality of virtual on-chip ports and a plurality of input and output marks, and the plurality of virtual off-chip ports and the input and output marks are in one-to-one correspondence with a plurality of pins of a virtualized chip. The plurality of virtual on-chip ports are in one-to-one correspondence with a plurality of functions of a plurality of pins of a virtualized chip. The on-chip port configuration module is used for recording the pairing relationship between the virtual on-chip ports and the virtual ports, and the pin configuration detection module is used for confirming the pairing relationship between the virtual off-chip ports and the virtual on-chip ports according to a user program. And the input driving module and the output driving module are respectively used for driving data input and output. The system can truly simulate the multiplexing function of the I-O pin of the SoC chip, and can completely verify the user program.

The invention discloses a Bluetooth data encryption method based on a 32-bit chip, and the method comprises the following steps: S1, determining an encryption and decryption key through a Bluetooth end and an external opposite end, encrypting the encryption and decryption key through employing a first safety storage key, and obtaining a first ciphertext, and storing the first ciphertext; s2, when the Bluetooth end receives the second ciphertext and transmits the second ciphertext to the MCU, the MCU reads the first ciphertext; s3, decrypting the first ciphertext through the first secure storage key to obtain an encryption and decryption key, decrypting the second ciphertext by using the encryption and decryption key to obtain a plaintext, and adding one to the use count of the first secure storage key; and S4, destroying the first secure storage key reaching the upper limit of the number of times of use, and generating a second secure storage key to encrypt the plaintext and the encryption and decryption key. According to the invention, the communication between the external Bluetooth module and the MCU and the processing security of the MCU after receiving the data can be effectively ensured, the key is prevented from being easily acquired, and the reverse analysis attack aiming at the embedded equipment can be effectively prevented.

This invention proposes an air conditioner comprising: a controller, which includes a first control module and a second control module. The second control module is configured to: retrieve first software version information from a memory when the air conditioner is powered on; verify the first software version information; if the verification of the first software version information fails, retrieve second software version information; determine a second verification formula based on the second software version information; verify the second software version information based on the second verification formula; and if the verification is successful, store the second software version information in the memory to replace the first software version information. This invention can verify the second software version information based on a specific formula and store it in memory upon successful verification, thereby ensuring the consistency of the checksum in the memory without increasing costs, avoiding problems caused by changes in the checksum in the memory, and improving the reliability of the air conditioner.

The present invention relates to the technical field of identity management, and in particular to a comprehensive digital identity management system, which includes: an information acquisition module acquires identity information; an information cutting module cuts the identity information to obtain a number of sub-identity information; a block storage module constructs a number of initial storage blocks, and encrypts and stores the several sub-identity information in the initial storage blocks; an association module generates an initial hash value through a hash algorithm to establish an association between the initial storage blocks; an attack detection module determines whether the initial storage block is damaged by real-time detection of the actual integrity, and compares the actual integrity corresponding to the damaged storage block with the second preset integrity and the third preset integrity to determine the sending of the repair instruction; a block repair module receives the repair instruction, determines the repair measures according to the repair instruction, and completes the repair of the damaged storage block according to the repair measures. The present invention improves the security of digital identity management.

The application relates to the technical field of power system safety monitoring, and discloses a power monitoring safety protection control system and method, which comprises a master station safety controller, a terminal safety verification unit and a safety verification channel; the master station safety controller responds to a control instruction of a monitoring master station, performs foresight simulation on the instruction, and generates a verification data packet containing a physical state expected vector; the terminal safety verification unit receives an original control instruction and the verification data packet, and performs cooperative arbitration; the cooperative arbitration process comprises: the terminal safety verification unit performs localized consequence simulation based on a built-in local physical micro model, generates a local predicted state vector, and compares the vector with the physical state expected vector issued by the master station; according to the comparison result, the terminal safety verification unit generates and executes a permission or blocking decision on the control instruction. Through the physical layer cooperative verification of the master station and the terminal, the application effectively protects malicious control instructions which have physical hazards on the power system.

The invention provides a carbon point management method and device based on a block chain, electronic equipment and a medium. The method comprises the following steps: collecting vehicle end data, and reporting the vehicle end data to a cloud server; verifying the vehicle end data, calling an intelligent contract interface through a cloud server, submitting the vehicle end data and the vehicle identification code to a remote procedure calling node of a block chain network, packaging the vehicle end data and the vehicle identification code by using a block chain packaging node, and storing the packaged data in the block chain network; according to a carbon integral calculation strategy corresponding to the type of the vehicle end data, calculating a carbon integral of the new energy vehicle in a preset time period; and creating a block chain token on the block chain network, converting the carbon point into the block chain token, and transferring the block chain token into a block chain account corresponding to a vehicle owner of the new energy vehicle. The transparency and credibility of the carbon integral management system are improved, and the excitation effect of the carbon integral mechanism is improved.

The invention discloses an ultrathin chip packaging device and method, and relates to the technical field of chip packaging device.The ultrathin chip packaging device comprises a workbench, a packaging drive adjusting assembly is installed at the bottom end of the interior of the workbench, and temperature fine adjustment of a fine part of an ultrathin chip material is achieved under cooperation of a packaging temperature control assembly; the temperature uniformity in the packaging process is effectively improved, the thermal reaction speed is increased, the influence of thermal stress on the ultra-thin chip material is reduced, the heat conduction abutting-in piece and the guide connection groove are arranged in an inserted connection and contact mode, it is ensured that heat is rapidly and evenly transmitted to the surface of the ultra-thin chip material, the heat conduction efficiency is optimized, or when packaging heat is gathered, the heat conduction efficiency is improved, and the heat conduction efficiency is improved. The temperature is led out through the heat conduction abutting-in piece, the phenomenon that the ultrathin chip material is damaged or has internal defects due to overheating of the ultrathin chip material is avoided, the overall performance is improved, the service life is prolonged, precise control and fine adjustment of local temperature in the packaging process are achieved, and damage of thermal stress to the ultrathin chip material is reduced.

The invention relates to an automatic video archiving method, system, device and equipment based on a scheduled task. The method comprises the following steps: acquiring load data of each video node and acquiring a preset video plan from a message queue; performing distribution processing by adopting a Raft consistency algorithm according to the load data and a preset video recording plan to obtain a video recording task; the method comprises the following steps: automatically acquiring real-time video data from a monitoring platform according to a video recording task of each video recording node, and curing the video data to obtain a video recording file; obtaining metadata of the video file; transmitting each video file and metadata thereof to a block chain and / or an enterprise cloud for storage; and verifying the corresponding video file on the block chain by adopting an intelligent contract and / or zero-knowledge proof according to the metadata, and determining whether the corresponding video file is successfully and automatically archived or not. According to the method, the Raft consistency algorithm and the block chain are combined, and automatic processing and data protection of the video file in the process from generation to archiving are achieved.

The invention provides an encryption and decryption method and system based on a national and cryptographic hybrid algorithm, and the method comprises the steps: carrying out the signing calculation of to-be-encrypted data through a first end, and obtaining a first message signature; performing symmetric encryption calculation on the to-be-encrypted data through a symmetric encryption algorithm to obtain a first ciphertext; performing asymmetric encryption calculation on the first message signature through an asymmetric encryption algorithm to obtain a second ciphertext; an access request is initiated to the second end, and the second end receives a request parameter sent by the first end and performs decryption calculation on the second ciphertext through an asymmetric encryption algorithm to obtain a first message signature; performing decryption calculation on the first ciphertext through a symmetric encryption algorithm to obtain to-be-encrypted data; when the first message signature is complete, processing the to-be-encrypted data to obtain return data; and the returned data ciphertext is sent to the first end, so that the problem that data transmission is easily attacked and tampered is solved, and the data security is improved.

The present invention relates to the field of data processing, and in particular to a food detection data processing method based on blockchain. The content includes: obtaining food detection data and dividing it according to different dimensions, calculating the hash value of food detection data of different dimensions, and using the data sharding algorithm to calculate the sharding data, introducing a parallel blockchain architecture, distributing the sharding data on different links for independent operation; calculating the verification value of the sharding data, judging the legitimacy of the sharding data based on the verification value of the sharding data, and recording the hash value of the legal sharding data and the corresponding food detection data of different dimensions on the blockchain. It solves the problem that food detection data is easily tampered with during transmission and storage, and it is difficult to ensure the integrity and authenticity of the data; traditional data processing methods are difficult to cope with huge amounts of data, it is difficult to ensure the security and stability of data verification, and it is easy to be attacked or data conflicts occur, resulting in inaccurate or inconsistent verification results.