97 results about "File verification" patented technology

The invention provides a file uploading method and device, a file processing method and device, a file verification method and device, equipment, a medium and a program product. A specific embodiment of the file verification method in the application comprises the following steps: sending a file acquisition request to a server; receiving a file fragment set and a first verification value of the file sent by the server; calculating a third verification value of the file fragment in the file fragment set; combining the third verification values of the file fragments in the file fragment set to generate a third verification value of the file; and comparing the first verification value and the third verification value of the file to generate a verification result of the file. According to the embodiment, the file verification efficiency is improved.

The invention discloses a cross-heterogeneous platform law supervision system based on XML and semantic matching. The cross-heterogeneous platform law supervision system comprises a data standardization module and a cross-heterogeneous platform execution system. The cross-heterogeneous platform execution system comprises a heterogeneous platform data import module, an XML file verification module and a supervision function execution module; the data standardization module is used for realizing standardization of cross-platform legal supervision data on the basis of intermediate description language technical specifications; the heterogeneous platform data import module comprises two independent heterogeneous platform data import platforms and is used for realizing data import and converting heterogeneous data of different platforms into a unified XML (Extensible Markup Language) file; the XML file verification module is used for carrying out mutual matching of an XML file and an XSD file based on an XSD specification file given by an XML specification and the XML format file so as to realize XML file verification; and the supervision function execution module is used for executing a legal supervision function corresponding to the XML file after the XML file passes verification.

The invention discloses an image tampering detection and positioning method based on multiple scales and attention, and aims to solve the problems of insufficient positioning precision, limited generalization ability and the like in unknown tampering type, complex scene and cross-device data processing in the prior art. According to the method, an EGANet network is constructed, a picture is input into a model for training after being subjected to data enhancement, a backbone network and an auxiliary feature extraction branch of the model extract deep semantic features and structural difference information respectively, features are enhanced through a double-gate cross module, edge information is enhanced through an edge perception enhancement module, and an edge perception enhancement model is formed. Generating edge-guided semantic features through an edge attention module, and finally fusing multi-source features through a global semantic fusion module and outputting a tampering positioning result. And by adopting end-to-end joint optimization, the positioning precision, boundary definition and complex tampering identification capability of a tampered area are improved, and the method is suitable for scenes such as news verification, government affair and judicial electronic file verification and the like.

The invention discloses a data backup method and device, electronic equipment and a storage medium, and relates to the technical field of computers, the data backup method comprises the steps that a cloud hard disk backup interface of a block storage service is expanded, a local backup directory is configured, a snapshot reserved space can be dynamically calculated to optimize storage resource utilization, and the data backup efficiency is improved. In addition, unnecessary directories are eliminated through file system level incremental backup, redundant data transmission is reduced, backup file verification is calculated, data reliability is guaranteed, and therefore the technical problems that in an existing cloud hard disk backup method, due to the fact that a full disk backup strategy is adopted, backup efficiency is low, and storage space is seriously wasted can be solved. The technical effects of improving the backup efficiency of the cloud hard disk, reducing the waste of storage space and guaranteeing the consistency of backup data are achieved.

The invention discloses a firmware security hot update method and electronic equipment, and relates to the technical field of computers.The firmware security hot update method comprises the steps that a differential patch file is generated by comparing a target firmware mirror image with a current firmware mirror image, the integrity and the source of a patch are verified, a rollback voucher is created after the patch behavior is verified to be credible through a shadow execution environment, and firmware update is carried out; the behavior credibility and integrity of the patch file are verified in the shadow execution environment, so that the influence of wrong or malicious patches on the stability and safety of the system is avoided; the rollback mechanism ensures that the system state can be quickly recovered when abnormity occurs, the risk in the updating process is reduced to the maximum extent, and non-inductive recovery can be realized without restarting.

The invention discloses a multi-stage cascade semantic analysis framework of a nuclear security level control code generation tool, which comprises an input layer, an analysis module layer, an error processing layer and an output layer, and is characterized in that the input layer is used for receiving and preprocessing a control model xml file, verifying a file format and preliminarily checking grammar; the analysis module layer is used for analyzing post grammar, namespace, type, clock, causal relationship and initialized semantic analysis tasks of the file after receiving the analysis request to obtain analysis results; the error processing layer is used for collecting, classifying, positioning and report generating various error information appearing in the analysis module layer; and the output layer is used for generating and outputting a standardized analysis report and an optimization suggestion. And a pipelined cascade structure is adopted, so that efficient semantic analysis is realized. Through an innovative error processing mechanism and an optimization strategy, the analysis efficiency and accuracy are remarkably improved, and a reliable guarantee is provided for software development of a digital instrument control system of the nuclear power station.

This application discloses an access permission verification method, apparatus, and medium, relating to the field of distributed storage technology. It is used for data access verification and addresses the complexity and error-prone nature of current access permission verification in multi-protocol interoperability scenarios. This method provides an access permission verification approach that, through a pre-established mapping relationship between first and second user information, enables the mutual conversion between object and file user information. Therefore, when an access request contains either type of user information, the mapping relationship can determine the other type of user information, allowing for single-type verification of the requested data. This simplifies the access management process, improves efficiency, and helps reduce the possibility of errors during verification. Furthermore, the method retains the original object and file verification methods to the greatest extent possible, significantly reducing development and deployment difficulty and facilitating practical implementation.

A computer-implemented method is disclosed. The method includes: enabling an access control for a data record, wherein enabling the access control comprises imposing a set of restrictions on accessing the data record; receiving at least one biometric data capture for a user and a digital form of at least one identification document associated with the user; obtaining verification results representing an identity verification status of the user based on a document verification process using the at least one biometric data capture and the digital form; in response to determining that the verification results satisfy first conditions, selectively disabling the access control for the data record by disabling a first subset of the imposed restrictions on the data record, wherein selection of the first subset depends on the verification results. The document verification process may include performing image recognition on the at least one biometric data capture and the digital form.

This application relates to the field of network printing security technology and provides a file verification method and system. The method includes: a printing device parsing a file received from a sending end, calculating a first feature identifier of the parsed file, and outputting the first feature identifier; a verification device acquiring the first feature identifier output by the printing device, parsing the file sent by the sending end, calculating a second feature identifier of the parsed file, and performing consistency verification between the file received by the printing device and the file sent by the sending end based on the first and second feature identifiers. This application can perform consistency verification between the file received by the printing device and the file sent by the sending end, promptly detect tampered files, and effectively prevent the spread of tampered information.

The invention provides a safe starting method and system for a vehicle-mounted terminal, electronic equipment and a storage medium, and the method comprises the steps: verifying whether an external bootstrap program, a starting bootstrap program and a system kernel of a system-on-chip are tampered or not through a first digest value in a one-time programmable memory of the system-on-chip and a mirror image file in a storage region; if all the contents are not tampered, verifying whether the firmware of the MCU is tampered or not by using the mirror image file; if the firmware of the MCU is not tampered, starting the MCU; verifying whether the file system and the application program of the system-on-chip are tampered or not by utilizing the hash tree of the mirror image file; and if the file system and the application program of the system-on-chip are not tampered, starting the file system and the application program of the system-on-chip to complete starting of the system-on-chip. According to the scheme, whether firmware of the system-on-chip and the MCU is tampered or not is detected on the basis of the system-on-chip with the one-time programmable memory, and then safe starting of the system-on-chip and the MCU is achieved.

The disclosure provides a batch file verification method, which can be applied to the fields of big data and financial technology. The method comprises the following steps: determining table data of a first database; synchronizing the table data to one or more second databases; performing scheduling execution on the table data in the first database to obtain a first batch file, and performing scheduling execution on the table data in the second database to obtain a second batch file; and comparing the first batch file with the second batch file to determine that the contents of the first batch file and the second batch file are consistent; wherein the first database and the second database are different databases, and the table data is batch data. The disclosure also provides a batch file verification device, equipment, storage medium and program product.

The invention discloses an electronic file verification method and system for digital commerce. The method comprises the following steps: S1, identifying a plurality of abnormal areas existing in a corresponding scanning image according to local pixel features of each scanning image in an electronic edition file; s2, selecting a to-be-verified region, and matching a plurality of associated regions of which the region similarity is greater than a similarity threshold for the to-be-verified region; s3, obtaining a pixel correction value of each abnormal pixel point, and carrying out simulation correction on pixels of the to-be-verified area to generate a corresponding simulation verification image; and S4, obtaining a plurality of image feature difference values of the simulation verification image, and analyzing to obtain an abnormal type of the corresponding scanning image set so as to identify the authenticity of the corresponding electronic edition file. According to the method, the image error caused by the scanning error of equipment hardware and the image error caused by manually modifying the scanned image can be accurately distinguished, and the authenticity of the electronic file of the corresponding paper file can be identified.

The invention provides a quantum voting system and method based on continuous variables, and the system comprises a supervision quantum terminal which is used for sharing a first key with a voting quantum terminal through a first untrusted channel based on a continuous variable quantum key distribution protocol, and sharing a second key with a counting quantum terminal through a first trusted channel; the voting quantum terminal is used for generating a file signature based on the first secret key and the voting file under the condition that the first secret key is shared, and transmitting the voting file and the file signature to the voting quantum terminal through a second trusted channel; the counting quantum terminal is used for performing security verification on the voting file based on the second key and the file signature under the condition of sharing the second key to obtain a verification result; and performing voting statistics based on the voting file under the condition that the verification result shows that the voting file passes the verification.

The invention discloses a front-end firmware file merging method and related equipment, and the method comprises the steps: carrying out the file pre-verification of a to-be-merged firmware file according to a preset file type configuration table, and obtaining a file pre-verification result; if the file pre-verification result represents that the to-be-merged firmware file passes file pre-verification, performing preliminary verification on the to-be-merged firmware file according to a preliminary verification mode to obtain a preliminary verification result; calculating metadata of the firmware files to be merged according to the preliminary verification result, and constructing a user-defined header file according to the metadata; performing streaming splicing on the custom header file and the to-be-merged firmware file to obtain a target merged file; and performing integral verification on the target combined file, and if the target combined file passes the integral verification, outputting the target combined file to the target terminal. According to the method, the firmware files can be merged at the front end and the file verification is performed, so that the file merging reliability and the merging processing efficiency are improved, the user experience is improved, and the method can be widely applied to the technical field of computers.

The invention discloses a time sequence verification method and device for an automobile software test log. The method comprises the steps that an expected log file and an actual log file are obtained, the expected log file comprises a plurality of expected log entries arranged in sequence, each entry has a plurality of structured fields, the actual log file comprises a plurality of actual log entries recorded in sequence, and each entry has structured fields corresponding to the expected log entries one to one; sequentially aiming at each expected log entry, starting from the current to-be-matched position of the actual log file, searching an actual log entry meeting a preset matching rule; if the search is successful, updating the to-be-matched position of the actual log file to the next position and continuing to match the next expected log entry, and if the search is failed, continuing to search in the subsequent entries of the actual log file until the traversal of the actual log file is completed; and finally, judging whether the actual log file passes verification or fails verification according to whether all entries of the expected log file are matched according to a preset time sequence or not.

The embodiment of the invention provides a verification method and device for a mirror image file, electronic equipment and a readable storage medium, and the method comprises the steps: calling a national cryptographic algorithm to carry out the first measurement of the mirror image file under the condition that a first condition is satisfied, and storing an obtained first measurement result in a database; under the condition that a second condition is met, calling the national secret algorithm to measure the called mirror image file for the second time to obtain a second measurement result; obtaining the first measurement result from a database, and comparing the first measurement result with the second measurement result; according to the comparison result of the first measurement result and the second measurement result, the integrity of the mirror image file is determined, and the safety and efficiency of complete storage of the mirror image file can be improved.

The invention relates to a test working condition management and control method and device for a power module, and the method comprises the steps: obtaining an edited working condition file in a test working condition editing stage of the power module; the working condition file comprises test current values of a plurality of gears and corresponding preset duration; for the test current value of each current gear in the plurality of gears, predicting the stable temperature of the crimping part during the test based on the test current value; the crimping position is the crimping position of the copper bar and the power module in the test equipment; comparing the difference between the initial crimping temperature corresponding to the test current value and the stable temperature, and determining a temperature change trend; predicting segment end temperature based on the temperature change trend and a preset duration; the section end temperature is the temperature of the crimping part after the preset duration is continuously tested based on the test current value; and performing rationality verification on the working condition file based on the segment end temperature. The method can improve the rationality of working condition file verification.

The application provides an electronic archive verification code management method, a program product, an electronic device and a storage medium. The method comprises the following steps: acquiring fixed fields and custom metadata fields set for multiple business links of an electronic archive; signing a file verification code, the fixed fields, the custom metadata fields and a trusted timestamp by using a private key of an operation subject of a current business link to generate signature information; generating a verification code structured file according to the signature information; acquiring previous signature information of a previous business link; generating double signature information according to the previous signature information and information in the verification code structured file by using the private key, and storing the double signature information into the verification code structured file to generate a verification code associated file of the business link; and acquiring the verification code associated files corresponding to the multiple business links of the electronic archive to generate an operation track code. The recording requirements of multiple links are adapted, and the complete flow process of the archive is recorded through the inter-link association.

The embodiment of the invention provides a kernel integrity protection method and device, electronic equipment and a medium, and relates to the technical field of computers.The method comprises the steps that when a to-be-executed file is executed, an abstract list file of a target file package to which the to-be-executed file belongs is searched from a specified cache space, the abstract list file comprises an expected hash value of each file in the target file package; if the to-be-executed file is found, searching an expected hash value of the to-be-executed file from the abstract list file, and performing integrity verification on the to-be-executed file based on the expected hash value; if the abstract list file is not found, obtaining a storage path of the abstract list file of the target file package from the extension attribute of the to-be-executed file; caching the abstract list file to a specified cache space; and searching an expected hash value of the to-be-executed file from the abstract list file of the specified cache space, and performing integrity verification on the to-be-executed file based on the expected hash value. According to the scheme, the file verification efficiency can be improved, and the system performance is prevented from being influenced.

Provided in the embodiments of the present application are a communication method and apparatus. The method comprises: a verification module acquiring a measurement file of a target object, wherein the verification module and the target object are installed inside the same device; the verification module acquiring an attestation file of the target object; and the verification module determining an authentication result on the basis of the attestation file and the measurement file, wherein the authentication result is used for indicating the credibility of the target object. In this way, a verification module and a target object are installed inside the same device, and the verification module can determine the credibility of the target object on the basis of a measurement file and an attestation file, thereby reducing connection restrictions in the remote attestation technology.

Different embodiments of the present invention provide methods and systems for converting a file or a compressed or uncompressed audio signal into a universal haptic file format. The universal haptic file format can be executed on different hardware to produce immersive haptic effect. The method and system for file format convertor analyzes the audio signal or identifies the type and format of the file. The system and method then analyzes the audio signal to break it into the amplitude time values, frequency time values and amplitude frequency time values for each frequency band. When the input is the file, it is passed to a transcription module, which determines if the file can be transcript into the universal haptic file format. If so, the transcription module transcripts the haptic file into the universal file format and pass it to a file validation module. The file validation module then scan and transcript haptic file to ensure that the time amplitude frequency values for different frequency bands have been included and produce a universal haptic file. If the haptic file contains metadata and the transcription module determines that the haptic file cannot be converted by transcription then the file format convertor uses the metadata modules to extract metadata and associated haptic values to be converted into time amplitude frequency values, which is then passed to the file validation module for validation.

The application discloses an electronic file verification method and system for digital business, which comprises the following steps: S1, identifying a plurality of abnormal areas existing in each scanning image according to the local pixel features of the scanning image; S2, selecting a verification area, and matching a plurality of associated areas with the verification area, wherein the similarity of the associated areas is greater than a similarity threshold; S3, obtaining a pixel correction value of each abnormal pixel point, and performing analog correction on the pixels of the verification area to generate a corresponding analog verification image; and S4, obtaining a plurality of image feature difference values of the analog verification image, analyzing the abnormal types of the corresponding scanning image set, and identifying the authenticity of the corresponding electronic file. The application can accurately distinguish the image errors caused by the scanning errors of the equipment hardware and the image errors caused by the modification of the scanning image, and realizes the authenticity identification of the electronic file of the corresponding paper file.

The invention provides a file verification method and device, equipment and a storage medium, relates to the technical field of file verification, and is used for improving the file verification efficiency. The method comprises the following steps: identifying signature content and seal content of a target file; and verifying the signature content to obtain the signature confidence coefficient of the signature content, and verifying the seal content to obtain the seal confidence coefficient of the seal content. Obtaining a signature verification result of the signature content according to the signature confidence coefficient and a signature confidence coefficient threshold value, and obtaining a seal verification result of the seal content according to the seal confidence coefficient and a seal confidence coefficient threshold value. The signature confidence coefficient threshold value and the stamping confidence coefficient threshold value are different confidence coefficient threshold values. And obtaining a verification result of the target file according to the signature verification result and the stamping verification result.

The invention discloses a configuration file correctness verification method and system based on ATS system configuration data, and relates to the technical field of rail transit configuration file verification, and the method comprises the steps that an online platform obtains a whole set of configuration files of an ATS system, an urban rail line basic input file and train real-time data, the method comprises the following steps of: modifying a configuration file on an online platform, starting a correctness verification process in an active or passive triggering manner, performing multi-dimensional verification on the configuration file when the configuration file is stored and exported after the configuration file is modified by the online platform by combining data accuracy basic verification, XSD verification of the XML file and Schematron verification of the XML file, and exporting data to be used by an ATS (Automatic Transfer System) after the verification is passed. According to the method, efficient and accurate verification of configuration file data is realized through online collaboration, a multi-dimensional verification rule and a flexible triggering mechanism, and the running reliability of an ATS system is improved.

The embodiment of the invention provides a communication method and device. The method comprises the steps that a verification module obtains a measurement file of a target object; the verification module and the target object are installed in the same device; the verification module obtains a certification file of the target object; the verification module determines an authentication result according to the certification file and the measurement file; the authentication result is used for indicating the credibility of the target object. Thus, the verification module and the target object are installed in the same device, the verification module can judge the credibility of the target object according to the measurement file and the certification file, and the connection limitation in the remote certification technology is reduced.

The application provides a data verification method and device, a storage medium and an electronic device, which comprises the following steps: splitting a data file into multiple data blocks, and generating and combining verification codes layer by layer to construct a multi-layer verification structure. First, a first verification code is generated for each data block to form a first verification layer, then the verification codes of the first verification layer are combined to generate a second verification layer, and so on, until a single file verification code is generated to form the uppermost verification layer. This layered and block-based verification strategy not only realizes fine management of data, but also significantly reduces the verification workload through targeted verification, greatly improving the efficiency and accuracy of data verification.

The invention relates to the technical field of audio recognition, and relates to an audio transcription method and system based on intelligent analysis, and the method comprises the steps: carrying out the file verification and file slicing uploading of a to-be-transcribed file, and obtaining an uploaded audio file; performing audio segmentation on the uploaded audio file, and extracting a voice text after audio segmentation to obtain a primary transcription text; calculating an analysis transcription progress and a real-time transcription progress of the uploaded audio file, performing maximum screening on the analysis transcription progress and the real-time transcription progress to obtain a transcription progress, and updating the primary transcription text into a standard transcription text according to the transcription progress; performing feature activation on the text context feature of the standard transcription text to obtain a text abstract feature; performing feature style decoding on the text abstract features according to a style keyword input by a user to obtain a decoded text abstract; and combining and splicing the standard transcriptional text and the decoded text abstract to obtain an audio transcriptional file. According to the invention, the audio transcription efficiency can be improved.

The invention relates to the technical field of home decoration order billing processing, in particular to a home decoration order billing method and system based on AI recognition, and the method comprises the steps: obtaining a to-be-billed file uploaded by a user, and recognizing the type of the to-be-billed file, the type of the to-be-billed file being a bill picture, a PDF document or an Excel table; inputting the to-be-billed file into a pre-trained AI dialogue model, analyzing file content according to the type of the to-be-billed file, and extracting home decoration order billing data; and automatically matching and mapping the home decoration order billing data with corresponding fields in a preset billing template, automatically filling the extracted home decoration order billing data into the corresponding fields of the billing template according to a matching and mapping relationship, and generating a standardized home decoration order receipt with a uniform format. According to the method, the multi-format bill is intelligently analyzed through the AI model, and the dual file verification, the differential analysis strategy and the dynamic template mapping mechanism are combined, so that the whole process automation and precision of home decoration order billing are realized, the data extraction accuracy and processing efficiency are remarkably improved, and the manual input cost and the error risk are effectively reduced.

The invention provides a video file verification method and device and a readable storage medium. The method comprises: in response to a first user operation, obtaining a to-be-played video file, the to-be-played video file comprising an initial video file and signature data, the initial video file comprising first identification information, frame data and frame index information, the first identification information comprising certificate content, and the signature data comprising certificate content; the signature data comprises at least one of a first signature of the first identification information and a second signature of the initial video file; performing signature verification on the signature data by using a public key in the certificate content to obtain a first verification result; and if the first verification result is that the verification is passed, playing the frame data according to the frame index information. Whether the video file is tampered or not can be directly verified by using the video file, the video file supports verification of correctness and legality of the file, and correctness and legality of the video file can be accurately and quickly known, so that the equipment plays the video file which is not tampered.

The invention provides a file tamper-proof inspection method and related products, and the specific implementation mode of the method comprises the following steps: carrying out software material extraction based on a software package set of a target system, constructing a software material inspection library of the target system, generating a signature software material list based on the software material inspection library, and responding to a file verification request, and acquiring reference information and real-time information of the to-be-verified file based on the signature software material list, and generating a file inspection report based on the reference information and the real-time information of the to-be-verified file. According to the method, a software material inspection library is constructed, a verifiable signature software material list is generated, and consistency verification of real-time information and reference information is performed on a file based on the signature software material list, so that efficient and credible verification of file integrity is realized, and a file tampering behavior is effectively identified; and the tamper-proof security and audit traceability of the file are improved.