14 results about "Message structure" patented technology

The application provides a data acquisition method, a data acquisition device and a safety monitoring system. The method comprises the following steps: acquiring a plurality of real-time monitoring messages, and converting the real-time monitoring messages into a preset format to obtain a plurality of target monitoring messages, wherein the preset format at least comprises a message name and a message structure; determining a plurality of target data element standards according to the plurality of target monitoring messages, one target monitoring message corresponds to one target data element standard, and one target data element standard corresponds to at least one target monitoring message; constructing a plurality of data elements according to the target monitoring messages and the corresponding target data element standards, one target monitoring message at least corresponds to one data element, and the data element is used for unifying the name and format of the data in the target monitoring message; and storing each data element in a corresponding database. The method solves the problem that, in the prior art, due to different manufacturers of monitoring sub-stations, the data naming and data structure are not unified, so that it is difficult to perform comprehensive analysis on multiple disasters.

This application discloses a ship-to-shore information communication method and apparatus, relating to the technical field of coastal communication. The method includes: responding to receiving an encrypted data packet from a ship-based or shore-based IPSec security gateway device; if the packet's message structure is an ESP protocol message, then searching for an encryption algorithm and security specification according to the security parameter index; after verifying the integrity of the ESP message in the data packet according to the encryption algorithm and security specification, detecting whether the data packet is a replay attack; if the data packet is not a replay attack, then decrypting the data packet in reverse according to the encryption algorithm and security specification, obtaining and sending the original IP data to the core network layer for subsequent processing and forwarding. This method ensures the integrity and privacy of transmitted data in high-security scenarios such as ship-to-shore communication.

The application discloses a system login method and device, equipment and medium, and relates to the technical field of computers. The method is applied to a preset verification tool and comprises the following steps: scanning a current login identifier to obtain a corresponding semantic message structure; when a login request is detected, performing ECDSA signature on the message structure by using a preset private key to obtain a corresponding signature value; synchronizing the signature value to a block chain node, so that a server verifies the signature value obtained from the block chain node, obtains corresponding address information, determines a target user identity corresponding to the address information from a user identity library bound with the system in advance, and then sends a login token corresponding to the target user identity to a front end. Through the above scheme, the login identifier is scanned to obtain the semantic message structure, and the ECDSA signature verification is performed, so that more secure and more convenient system login can be realized.

The application relates to the field of power distribution automation digital networks, and discloses a primary and secondary fusion complete ring network box data interaction method and system, which comprises the following steps: calculating a transient mutation variable factor in each sampling window; when the transient mutation variable factor is greater than a mutation variable factor threshold value, switching a long byte message into a short frame segment and multiplexing a transient mutation pre-warning prefix code; a receiving end captures a jump edge of the prefix code, thereby adjusting a shift register addressing step length to realize frame synchronization; when the transient mutation variable factor falls back, a hysteresis count characteristic value is controlled to increase with the sampling window until a standard long byte message structure is restored when a safety window threshold value is reached, the application enables the data interaction to have an active feedforward defense capability, overcomes data frame misplacement and step loss and protocol boundary oscillation under burst pulse group interference, eliminates communication deadlock of a control terminal, and guarantees high-concurrent error-free transmission of key alarm messages.

The application discloses an agent cooperation method and system based on a special message queue, wherein the method is characterized in that: a special message queue is deployed in a system environment; a stateful module in the system writes a state change event into the special message queue according to a standard message structure; an agent scans the stateful module in the system to read data, constructs an initial context aligned with the environment, and determines a synchronization reference point; the agent subscribes to an event stream through a special message queue open interface, receives and analyzes event semantics from the synchronization reference point; and the agent updates its own context or executes a corresponding business action according to the event semantics incrementally. The application solves the problems of sensing lag, decision-making errors, and frequent conflicts in the prior art.

The application discloses a message pushing method and device, electronic equipment and a storage medium, comprising the following steps: obtaining a first message from a user terminal; determining a keyword group based on the first message; querying target information matching the keyword group in an information library; generating a second message according to the target information and a preset message structure; and pushing the second message to the user terminal. According to the technical scheme provided by the application, the second message pushed to the user terminal is generated based on the first message of the user terminal, so that the second message pushed to the user terminal is more targeted and more likely to meet the information acquisition demand of the user corresponding to the user terminal, the accuracy of message pushing is improved, and a better operation effect can be achieved.

The present disclosure provides a data analysis method and device, electronic equipment and readable medium; it relates to network communication technical field.The data analysis method comprises the following steps: determining a message structure according to a protobuf file; when a front-end request for the protobuf file is received, obtaining to-be-analyzed field information in the front-end request, and determining a field path corresponding to the to-be-analyzed field information according to the message structure; and analyzing a target field in the protobuf file through the field path, so as to perform data processing on the target field according to the front-end request.The present disclosure can process the protobuf file without stopping and restarting, thereby improving stability.

The application discloses a kind of processing method, device, terminal and medium of quantum error correction syndrome data stream, the method comprises: based on the state data of alignment after corresponding measurement and control instrument, obtain comprehensive feature vector;Based on the preset health threshold, the pure clean sparse feature vector is obtained by dead bit filtering processing to the comprehensive feature vector;Based on the preset priority coding tree, the feature extraction result is obtained by sparse feature extraction processing to the pure clean sparse feature vector;Based on the bandwidth characteristics of the fixed bit width block transmission bus corresponding to processing system and the preset message structure, the target high-bandwidth utilization rate aggregation message is obtained by processing the feature extraction result.The application aims to realize the hardware level compression and cleaning processing to mass quantum error correction syndrome data stream, to reduce the bandwidth demand of measurement and control data link bus.

Certain embodiments provide systems, apparatus, and methods to analyze incoming data messages and create market information constructs. An example method includes receiving a data message including an instruction to initiate a market event. The example method includes evaluating the instruction to determine whether it is associated with two or more causally linked market events. The example method also includes classifying the instruction based on the evaluating as part of a sequence of causally linked market events or as a single market event. The example method includes queuing the sequence of causally linked market events. The example method further includes detecting an end of the sequence of causally linked market events. The example method includes constructing a logically reduced market data message construct descriptive of the one or more market events represented by the queued sequence of causally linked events.

The application discloses a SSL VPN security gateway communication method fusing post-quantum cryptography technology, and comprises the following steps: S1, a client and a server are respectively configured with a series-connection mixed type signature digital certificate, a series-connection mixed type encryption digital certificate and corresponding PQC encryption key pair private keys, PQC signature key pair private keys, SM2 encryption key pair private keys and SM2 signature key pair private keys, wherein the series-connection mixed type signature digital certificate and the series-connection mixed type encryption digital certificate contain SM2 algorithms and PQC algorithms; S2, a mixed algorithm cipher suite using the SM2 algorithm and the PQC algorithm is added in a cipher suite list of the client and the priority thereof is forced to be on top; S3, a message structure in a handshake protocol is reformed to use the series-connection mixed type encryption digital certificate to realize anti-quantum key negotiation by adding the PQC algorithm processing on the basis of the original national secret algorithm. According to the application, the PQC algorithm is added on the basis of the original national secret algorithm and the handshake protocol is reformed, so that anti-quantum attack key negotiation and identity authentication can be realized, the communication security is obviously improved, and meanwhile, the interoperability with the standard SSL VPN is maintained.

The application relates to a CAN communication permission control method based on a default bit in the technical field of vehicle information security and vehicle internal CAN message communication security, and comprises the following steps: (1) diagnosis request input and message construction; (2) message analysis and security check processing; and (3) permission determination and access control. The application introduces a message level permission identification mechanism by redefining the original filling byte of a CAN message as a security check bit without changing the existing UDS diagnosis message structure based on ISO 14229 and the protocol compatibility, so that the pre-position legality check of a diagnosis request is realized.

This invention discloses an SSL VPN security gateway communication method based on post-quantum cryptography, comprising the following steps: S1. The client and server are respectively configured with clean PQC algorithm digital certificates containing PQC encryption key pairs and signature key pairs; S2. A PQC algorithm cipher suite using the clean PQC algorithm is added to the client's cipher suite list and its priority is forcibly set to the top; S3. Quantum-resistant key negotiation is achieved by modifying the message structure in the handshake protocol to replace the SM2-based digital certificate with the clean PQC algorithm digital certificate. This invention, by introducing a clean PQC algorithm digital certificate and modifying the handshake protocol, can achieve quantum-resistant key negotiation and authentication, significantly improving communication security. Simultaneously, it is compatible with existing SSL VPN specifications, only extending PQC-related fields, thus reducing deployment costs.

The application discloses a message middleware testing method and system based on multi-client simulation, and relates to the technical field of software testing. The method comprises the following steps: extracting client behavior from real interaction records of a message middleware, analyzing message structure and field attribute information, and constructing a field description list; based on semantic information and context relationship in a message protocol specification, designing a self-limiting mechanism, a consistency constraint mechanism, a structure rationality guarantee mechanism and an interaction timing change mechanism, and combining the field description list to generate a variation data packet conforming to semantic and format specifications; simulating multiple logically independent clients in a single test process, sending the variation data packet to the message middleware according to the arranged interaction timing, and monitoring the running state of the message middleware and business layer exceptions in the message interaction process.