385 results about "File transmission" patented technology

A real-time anomaly detection system for high-volume managed file transfers (MFT), consisting of: a secure, hardware-accelerated monitoring unit configured to interface with a managed file transfer server and intercept file transfer session data at wire-speed; a metadata extraction engine embedded in the hardware-accelerated unit, the metadata extraction engine configured to analyze protocol-specific session attributes, including, but not limited to, file size, transfer duration, encryption status, source and destination endpoints, transfer frequency, and payload entropy; a contextual AI inference engine communicatively coupled to the metadata extraction engine, the AI inference engine comprising a deep learning model trained on labeled historical MFT activity logs to detect contextual deviations from normative behavior; a federated learning architecture with a plurality of edge nodes, each hosting a local anomaly detection model trained on localized transmission metadata and configured to synchronize with a central aggregator using differentially private gradient updates; an Explainable AI (XAI) subsystem integrated into and configured to generate human-readable anomaly justifications, feature importance maps, and threat categorization labels; and a policy orchestration module configured to dynamically execute pre-configured or AI-based security responses, where the security responses include selective session termination, quarantining of transferred files, generation of alerts, or redirection of MFT workflows.

The invention provides a file high-speed transmission method based on multi-link aggregation, and solves the problems of low transmission efficiency and insufficient stability of a traditional single link. The method comprises the following steps: detecting network link performance parameters, and screening available links; according to the number of links, the average bandwidth and # imgabs0 # limitation, dynamically segmenting a large file into adaptive data blocks, numbering the data blocks, and adding information such as a position to a head; an improved dynamic load balancing algorithm is adopted, link quality (including bandwidth utilization rate, delay, packet loss rate, stability and dynamic adjustment of weight along with a network environment) and data block priority (distinguished according to types and sizes and the weight is adjusted according to file characteristics) are synthesized, data blocks are distributed to different links for parallel transmission, and pre-distribution verification ensures link load safety; and recombining the data blocks by the receiving end according to the numbers to realize file recovery. The system significantly improves the transmission efficiency through multi-link aggregation and dynamic strategy adjustment.

The invention discloses a file fragment encryption transmission method and device based on a B / S architecture, and belongs to the field of information security. The problem of systematic contradiction among file transmission efficiency, safety and reliability is solved. The method comprises the following steps: determining a fragmentation threshold value, and carrying out self-adaptive fragmentation processing on an original file; respectively performing RSA public key encryption and AES random key secondary encryption on each fragment file to generate a double-encrypted file; writing the SHA-3 hash value of each fragment file and the timestamp information into a block chain network to generate a non-tampering meta-file; a multiplexing transmission channel is established, a meta-file and an encrypted file set are downloaded at the same time, and each fragment adopts an independent transmission thread; verifying the consistency of the Hash value of the downloaded file and the blockchain evidence, and executing an exponential backoff retransmission strategy on the fragments which fail in verification; and performing streaming decryption recombination on the verified fragments to generate a temporary file with a digital watermark. The method is mainly used in data transmission field.

The invention relates to a cloud environment-oriented data stealing evidence chain generation method and system, and the method comprises the following steps: collecting file transmission operation records of a cloud virtual machine, and judging whether a file corresponding to each file transmission operation record is a sensitive file or not according to a preset rule; extracting all behavior characteristics in the transmission process of the sensitive file based on the file transmission operation record of the sensitive file, and constructing a behavior characteristic set; constructing a dynamic risk assessment model, and assessing a malicious stealing risk score of a current sensitive file transmission operation record based on the behavior feature set of the sensitive file through the dynamic risk assessment model; and if the malicious stealing risk score is greater than a preset malicious stealing risk score threshold, extracting operation features in the file transmission operation record according to a time sequence to construct an operation feature time sequence, and constructing a malicious stealing evidence chain based on the operation feature time sequence.

The invention relates to the technical field of data security protection, in particular to a project supervision file anti-leakage method and system, and the method comprises the steps: encrypting a file through a CP-ABE encryption technology, binding an access control attribute, dynamically adjusting the authority and a secret key according to the project progress, and guaranteeing the precise control of file access. An invisible watermark is embedded before file transmission, a target platform is judged, and if the target platform is an uncontrolled platform, a security sandbox is created for decryption, so that transmission security is guaranteed. Meanwhile, an operation log is recorded and stored in the block chain, abnormal behaviors are detected through the knowledge graph, file tracing is achieved in combination with watermarks, and the audit tracing ability is enhanced. And when the destroying condition is met, the system automatically destroys the file and cancels the decryption key, so that the leakage risk is eliminated. According to the invention, file leakage is effectively prevented, file security management and access tracking are realized, and the security, access control accuracy and auditing traceability of project supervision files are improved.

According to the internal network and external network synchronous transmission method and system based on the TCP provided by the invention, file type detection and file title detection are realized at a server side, compliance screening is carried out on file contents before a transmission link, and sensitive files are prevented from entering a transmission link; after the detection is passed, segmented transmission is carried out by adopting a preset fragmentation rule, and breakpoint resume is executed by utilizing a fragmentation index when the transmission is interrupted, so that the stability and the efficiency of large file transmission are remarkably improved; furthermore, the server pushes the downloading notice to the extranet client through the TCP after receiving the auditing result of the intranet client with the auditing authority, so that the file is ensured to be subjected to the auditing link before being transmitted to the extranet, and the unification of high safety, controllability and high efficiency is realized.

A computer-implemented method for managing a computing infrastructure with at least one self-encrypting disk connected to a customer network, involves accessing instructions that orchestrate compute resources and include modules for server management, key management, file transfer, and IPMI. The server management module receives requests from the orchestrator to start nodes and reconfigure hosts, boots hosts over provisioning networks, downloads images, and unlocks self-encrypting disks using passwords stored in the key management system. The method also includes soft rebooting hosts and removing their configuration to switch them back to customer networks.

The invention discloses an electronic bidding file encryption transmission system and method and a storage medium, and the method comprises the steps: dividing an electronic bidding file of a transmitting end into a plurality of data blocks, and distributing a unique identifier for each data block; generating a permutation table and a round key sequence according to the session key and the data block identifier; multiple rounds of dynamic obfuscation operation are executed on the data block, each round of operation comprises bit operation based on a round key sequence and byte position rearrangement based on a replacement table, and an obfuscated data block is obtained; generating an authentication label for the confusion data block, binding the authentication label with the timestamp, the block identifier, the session identifier and the confusion data block, and sending the binding result to a receiving end; and the receiving end performs reverse decryption operation on the confused data block based on multiple rounds of dynamic confusion operation to obtain decrypted data, and verifies the decrypted data according to the authentication tag and the timestamp. The invention relates to the technical field of electronic information security, and solves the technical problem that in the prior art, an electronic bidding file is easily subjected to data tampering and replay attacks in the transmission process.

The invention discloses a mirror image file transmission method and device, electronic equipment and a storage medium, and relates to the technical field of computers. According to the method, the difference comparison algorithm is preferably utilized to acquire the difference data blocks for uploading or downloading of the mirror image file, so that the data transmission quantity is reduced, the bandwidth occupation is reduced, the network state parameters are monitored in real time during data transmission, and the bandwidth requirement is predicted by adopting a mixed time sequence prediction mode according to the network state parameters, so that the data transmission efficiency is improved. And through the decision tree, the distribution action is optimized, the size of a transmission window and the sending rate of a data packet are dynamically adjusted, the transmission rate is improved, the transmission state of each data block is recorded during data transmission, a heartbeat packet is periodically sent to detect the connection state, reconnection is started after disconnection is detected, and transmission is continued from an interruption point after successful reconnection. And the integrity of the data is verified after the data block transmission is completed, so that the fault tolerance is improved.

The invention relates to the technical field of natural languages, in particular to an intelligent file transmission assistant system and method based on a large model, and the system comprises an intention analysis module, a file retrieval module, a user interaction confirmation module and a file transmission module. The method has the beneficial effects that the model improves the efficiency and accuracy in file transmission, expands the actual application field of a large model, and aims to convert spoken file transmission instructions of users into more accurate and standard information. The intelligent file transmission is more efficient, and the interaction capability is improved.

The invention provides an FTP file restoration method and device and electronic equipment, and relates to the technical field of network security, and the method comprises the steps: receiving a file transfer protocol FTP data connection message; whether FTP control connection associated with an internet protocol IP of the FTP data connection message exists in a first application gateway ALG cache or not is inquired, and the first ALG cache is used for storing the association relationship between the IP and the received FTP control connection; if the FTP control connection associated with the IP exists in the first ALG cache, the FTP data connection message is cached; and associating the cached FTP data connection message with the received control connection to obtain a restored FTP file. By introducing the first ALG cache, the FTP control connection is searched through the IP when the FTP data connection is established, the FTP data connection message is cached, FTP data connection restoration is completed, and the FTP file restoration accuracy can be improved.

The invention discloses a file fragment transmission method and device and a program product. The method comprises the following steps: acquiring a current network bandwidth, and determining the size of a fragment based on the current network bandwidth; the file to be transmitted is fragmented based on the fragmentation size to obtain a target fragmented file, the target fragmented file comprises one of N fragmented files obtained by fragmenting the file to be transmitted, and N is a positive integer; and encrypting the target fragment file to obtain an encrypted fragment file, and transmitting the encrypted fragment file to a data receiver. Through the file transmission method and device, the problem that the file transmission failure rate is high when the network fluctuates due to the fact that the file is subjected to fixed fragmentation according to the fixed size in the fragmentation transmission process of the file in the related technology is solved.

The invention discloses a cross-network cross-system data and file ferry transmission system, which comprises a high-density area network, a high-density area communication module, a high-density area communication module and a plurality of high-density area systems, the secret domain communication module is used for obtaining data files, processing the data files to obtain secret domain data and files, transmitting the secret domain data and the files to an external network, receiving externally transmitted data, processing the files and distributing the data files to corresponding secret domain systems; the secret domain system is used for transmitting the processed data and files to the secret domain communication module and receiving and processing the data distributed by the secret domain communication module; the low-secret-area network comprises a service communication module and a plurality of service systems, and the service communication module is used for collecting data and files, processing the data and the files to obtain the data and transmitting the files to the secret-domain communication module and receiving the secret-domain data and the files and distributing the secret-domain data and the files to the service systems; the service system is used for transmitting data and files to the service communication module and receiving and processing distributed data; and the transmission transfer module is used for communicating the secret domain communication module and the service communication module.

The invention discloses a file transmission method and system, electronic equipment and a storage medium. The method is applied to a server and can comprise the steps that in response to a file uploading request from a client side, a fragmentation strategy matched with a target file is sent to the client side, the file uploading request is used for requesting to upload the target file to the server, and the fragmentation strategy is used for representing that the client side carries out fragmentation processing on the target file; obtaining rules of a plurality of file fragments; obtaining a plurality of file fragments uploaded by the client; and writing the obtained file fragments into a storage space in a server. The technical problem that files cannot be effectively transmitted is solved.

The invention discloses a file transmission method and system for sensitive information identification and automatic blocking. The method comprises the steps that a network data packet in the file transmission process is captured, file content is analyzed, and related metadata is extracted; performing multi-level sensitive information detection on the extracted related metadata by fusing keyword matching, regular expression matching and semantic analysis methods; based on a multi-level sensitive information detection result, combining sensitive information severity, weight, file importance and information density to construct a weighted risk assessment model, calculating a risk value and dividing risk levels; when the risk level is judged to be high risk, file transmission connection is automatically interrupted, local cache data is cleared, and a complete audit log is recorded. According to the sensitive information identification method and device, through combination of various identification technologies such as keyword matching, regular expression matching and semantic analysis, the accuracy of sensitive information identification is greatly improved, sensitive information in various forms can be effectively identified, and the situations of misinformation and missing report are reduced.

The invention provides a file transmission method, system and device based on wireless module communication and a medium, and belongs to the technical field of file transmission, and the method specifically comprises the steps that a handheld terminal broadcasts a device searching instruction after being started, and a nearby host end is searched; after receiving an equipment searching instruction of the handheld terminal, the host end returns related information; the handheld terminal lists all connectable devices for a user to select, and after the user selects a target host end, the handheld terminal requests a file list from the target host end; the host end returns a directory structure or a filename list of the host end to the handheld terminal, and a file transmission stage is entered; after receiving the file transmission request, the host side sends selected file fragments; and the handheld terminal stores the file after receiving the file. The system effectively overcomes the defects of traditional wired transmission and wireless transmission in the aspects of operation complexity, equipment pairing efficiency, transmission reliability and the like, and is suitable for industrial or commercial scene interaction requirements of queuing machines, handheld terminals and the like.

The invention provides a data flow priority scheduling method and system based on QUIC multi-path transmission, and the method comprises the following steps: S1, when a QUIC connection is established, a client and a server negotiate and create two or more independent network transmission paths, create an independent data flow for each request file, and send the data flow to a server; therefore, parallel transmission and independent scheduling of data streams are realized. S2, after a server receives a file transmission request of a client, an initial priority is distributed to each data stream according to factors such as file types, real-time requirements and user-defined configuration; and S3, marking the data packets of the data streams according to the priorities of the streams to which the data packets belong, and adding the data packets into a unified scheduling queue. And S4, selecting an optimal network transmission path for each data packet by adopting an SP-PRT scheduling algorithm. And S5, according to the priorities of the data packets in the scheduling queue, performing parallel data transmission through the selected optimal path.

The invention provides an EtherCAT protocol fault injection test system and method. Comprising a management control module used for generating a fault injection configuration and control instruction; the simulation slave station module is used for establishing a register and interface model of a slave station controller, generating a virtual slave station topology according to a network configuration file and communicating with the master station; the multi-level fault injection engine is used for implementing injection in a link layer and an application layer according to fault injection configuration; a trigger control unit for determining a trigger condition according to a communication state transition, an initialization command, a specific mailbox transaction, a frame count, or a time window; the injection execution unit is used for presetting hanging points of message generation and analysis, storage mapping and synchronous management processing and object dictionary access and file transmission processing; and the test arrangement and judgment module is used for judging the receipt record and the state of the master station according to a preset rule and outputting a judgment result. According to the invention, multi-level accurate fault injection, automatic replayable testing and unified observation determination can be realized.

The invention discloses a service quality optimization method and electronic equipment, and the method comprises the steps: collecting link information of links and business information of businesses in multiple pieces of electronic equipment, and determining an available bandwidth of a file transmission business in combination with the link information of the links and the business information of the businesses in the multiple pieces of electronic equipment; under the condition that the QOE parameter of the first service becomes poor, if the available bandwidth is insufficient and no optimization space exists, at least one of the code rate, the frame rate and the resolution of the first service is turned down, so that the bandwidth of the file transmission service in the multi-device system is limited, and the code rate, the resolution or the frame rate of the service is adjusted to be combined. Therefore, the QOS and the QOE of the service sensitive to the time delay in the system of the multiple devices are ensured.

The invention relates to a cross-domain large file transmission method and device based on dynamic fragmentation. The invention aims to solve the problems of maximum capacity limitation, network instability, security and the like in the cross-domain transmission process of large files. According to the method, efficient and safe transmission of large files is realized by dynamically adjusting fragment size parameters and combining encryption transmission, breakpoint resume and multi-task concurrency control technologies.

The invention discloses a file encryption authorization distribution method and device based on IPFS and quantum key distribution, computer equipment and a readable storage medium. The method comprises the steps that a sending end firstly encrypts an original file with a symmetric key and stores the original file to an IPFS network; after the authorization is passed, a common QKD quantum key is generated based on the QKD network and the receiving end; and encrypting the symmetric key and the unique identifier of the IPFS file by using the quantum key and sending the encrypted symmetric key and the unique identifier to a receiving end. And the receiving end performs decryption by using the quantum key, and downloads and decrypts the encrypted file from the IPFS network to obtain the original file. Through the design, file transmission and authorization distribution can be separated, resources are saved, multi-user scene efficiency is improved, and authorization key distribution safety is guaranteed.

A processor receives a request to receive a transfer of a first amount of data objects into a first data file from a second data file. In response, the processor generates and transmits to the second data file a plurality of digital tokens amounting in value to the first amount of data object. The processor further transmits information associated with the first plurality of digital tokens. The processor receives the plurality of digital tokens and the first amount of data objects at the first data file from the second data file. In response, the processor determines that the requested data transfer has been completed.

The invention relates to the technical field of data encryption hiding, in particular to an intelligent security traceability method and system based on steganography watermarking and hierarchical signatures, and the method comprises the steps: carrying out the first-level watermarking embedding of an original file, and obtaining a first-level watermarking file; then storing signature event data and device fingerprints in the watermark embedding process of the first level in a block chain; transmitting the watermark file of the first level to a second level to obtain a first transmission watermark file; performing hierarchical watermark signature chain verification according to the first transmission watermark file; when the verification is not passed, terminating file transmission and freezing file access permission, and when the verification is passed, calculating a real-time risk index at the current moment, triggering a hierarchical response according to the real-time risk index, and performing a subsequent hierarchical watermark embedding operation according to a hierarchical response result; and when the hierarchical response is high in risk, querying an abnormal point through the block chain, and positioning a leakage source. According to the invention, the accuracy of intelligent safety traceability is improved.

The invention discloses a data transmission method, which comprises the following steps: in response to file fragment data received from a server of a data transmission component, generating first verification information of the file fragment data based on the file fragment data, and generating a fragment verification transaction request; the file fragment data is obtained by performing fragment processing on target file data through a server side of the data transmission component; calling a data verification contract based on the fragment verification transaction request through a block chain node in the block chain network, and determining a data verification result of the file fragment data based on the first verification information and the second verification information; the second verification information is generated by the server side of the data transmission component based on the file fragment data; determining a file transmission state of the target file data based on the data verification result; and data transmission is carried out between the client and the server of the data transmission component by adopting a user datagram protocol. According to the invention, the reliability and security of data transmission are ensured while low-delay data transmission is realized.

The invention discloses an electronic file online encryption circulation transmission method and system, and relates to the technical field of electronic file transmission. The invention includes. According to the method, the electronic archive is subjected to block processing, each independent archive block is subjected to privacy information judgment, only the archive blocks containing the privacy information are subjected to encryption transmission, the computer operation efficiency is improved, the computer burden is reduced, decryption and recombination of the archive blocks are completed by the receiving end, and the archive transmission safety is guaranteed.

The invention relates to a file transmission method, system and device and a storage medium. The method comprises the following steps: establishing a connection with a client, sending test data packets of preset times to the client, and counting the bandwidth when the test data packets are transmitted each time; calculating the block length based on the bandwidth statistical data of the transmission test data packet; partitioning a file requested to be transmitted by the client according to the partitioning length to obtain a plurality of partitioning blocks, and constructing metadata of each partitioning block; transmitting a file requested to be transmitted by the client to the client in the form of a plurality of blocks and a plurality of metadata; and after receiving all the blocks, the client merges all the blocks based on the metadata of each block to obtain a transmitted file.

The invention relates to a DataX-based FTP (File Transfer Protocol) unstructured file transmission breakpoint resume implementation method and device. The method comprises the steps that a progress tracking module is integrated in a DataX Writer, and a transmission progress metadata file (TPMF) containing information such as the number of uploaded bytes and the state is created for each file and dynamically updated; deploying an independent process monitor to monitor task interruption, and triggering progress persistence to TPMF; and a user selects a file through the independent FTP continuous transmission scheduler, reads the TPMF and the size of a target file at a server side to judge a breakpoint, calls an FTP REST command to perform continuous transmission from the breakpoint, and updates the state after the continuous transmission is completed. According to the method, accurate progress recording, abnormal interruption active storage and user controllable continuous transmission are realized, redundant retransmission is avoided, the transmission efficiency and the resource utilization rate are improved, the data synchronization robustness is enhanced, and the operation and maintenance complexity is reduced. The method is small in DataX core invasiveness, high in universality and suitable for high-reliability synchronization scenes of large-scale unstructured files.

Certain aspects of the present disclosure provide techniques for file delivery feedback and / or application feedback for certain application services. An example method generally includes communicating files with a user equipment (UE), each of the files having a plurality of packets, determining that a delivery failure occurred for at least one of the files, and sending, to a server entity, a notification of the delivery failure.

This invention provides a method and apparatus for retrospectively verifying data in multipurpose internet mail extension (MIME) encapsulated data exchange, such as in email systems. [Solution] A more reliable and efficient retrospective data verification method for MIME and S / MIME application scenarios such as email systems and file transfers involves generating a unique and tamper-proof data tag for the proof data using extended information and proof elements determined by the evidence provider during verification, storing the data tag with the evidence keeper, and the evidence retriever responding to a retrospective data verification request by obtaining the target data tag from the evidence keeper and further verifying the data based on the target data tag.

The application relates to a file transmission method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: receiving a file uploaded by a terminal in the case that a connection is established with the terminal; wherein the source storage equipment is selected from a plurality of storage equipments according to the use state of each storage equipment by a scheduling equipment; the use state comprises at least one of a load or an available space; the file is checked, and the file that passes the check is stored; wherein the storage mode comprises direct storage or block storage. The method can improve the efficiency and safety of file transmission.