337 results about "Safety Communications" patented technology

The invention relates to a reinforcement learning-based waveform generation method and system for an intelligent reflector-assisted safety sensing integrated system. The method comprises the following steps of: 1, constructing the intelligent reflector-assisted safety sensing integrated system ISAC; 2, constructing an optimization problem; according to known channel state information, obtaining an expression of a signal received by the LU and an expression of a signal received by the BS reflected by the target object, then obtaining a signal to interference plus noise ratio or a signal to noise ratio of the two, and writing an eavesdropping signal to interference plus noise ratio of an eavesdropper target relative to the LU; finally, an objective function and constraint conditions of the optimization problem are established, and optimization parameters are determined at the same time; and step 3, introducing an RL to solve an objective function of an optimization problem, and generating a waveform. According to the waveform design method, the node calculation complexity can be greatly reduced, the system performance is improved, and the performance compromise between communication and sensing is realized.

The invention discloses an information acquisition and transmission system of track control equipment, which relates to the technical field of track traffic intelligent monitoring and comprises an intelligent sensing terminal, an edge intelligent analysis node, a safety communication module, a central control platform, a digital twin diagnosis center and a predictive maintenance engine. According to the invention, the intelligent sensing terminal integrates various sensors, adopts a permalloy shielding cavity to isolate external electromagnetic interference, is equipped with a three-stage lightning protection circuit to realize microsecond-stage lightning surge protection, can stably collect parameters of track control equipment in a severe environment, is internally provided with a lightweight LSTM model, carries out preliminary filtering analysis on original data, and is used for monitoring the parameters of the track control equipment. The device operation state can be dynamically identified, the sampling strategy can be adjusted, the basic sampling frequency is maintained in the stable state to reduce power consumption, the sampling frequency is improved by 10 times and the sensor gain is enhanced in the early warning or emergency state, all analysis decisions are completed at the local millisecond level without depending on the cloud, and the real-time performance and accuracy of data processing are effectively improved.

The invention discloses a secure communication method and system based on a national cryptographic algorithm and an improved Modbus TCP protocol. The secure communication method comprises the steps that a host and a slave share an initial public key; the host and the slave establish TCP connection and generate random numbers based on the password module; signature verification is carried out on the random number by adopting a national cryptographic algorithm, so that security identity authentication between the host and the slave is realized; negotiating an encryption key between the host and the slave based on a national cryptographic algorithm; and the host and the slave perform data transmission based on the encryption key. According to the invention, a standard Modbus TCP protocol is improved, a security check domain is added so as to realize replay attack prevention, the SM2 asymmetric algorithm and the SM4 symmetric algorithm are combined to expand the national secret protocol design so as to ensure the confidentiality of data, and by configuring the cryptographic module for national secret authentication, the security of the Modbus TCP protocol is improved. And the functions of cryptographic operation, key generation, random number generation and the like of the host / slave are supported. Therefore, the safety compliance communication of the industrial system based on the improved Modubs TCP protocol is realized.

The invention discloses a non-ideal ISAC system beam forming method with an anti-eavesdropping capability, which is characterized in that a base station is intelligently optimized to transmit beam forming so as to ensure that radar sensing requirements are met under the condition of limited power resources, and attacks of potential eavesdroppers and guards are effectively resisted, so that the anti-eavesdropping capability of the non-ideal ISAC system is improved. Therefore, the safety communication and covert communication performance of system communication users is obviously improved. Specifically, according to the method, a safe ISAC scene which has potential eavesdroppers and guards at the same time, legal nodes of a system have hardware damage, and CSI of illegal nodes cannot be obtained perfectly is considered, and in order to guarantee safe communication and sensing performance, a legal signal energy minimization optimization problem is established. And then, the original problem is converted into a convex optimization problem by utilizing a positive semidefinite relaxation technology and an S process technology, and the convex optimization problem is solved by utilizing a CVX toolbox, so that the strategy effectively ensures the safety communication and target sensing performance of the system under limited power resources, and the complexity of the problem is reduced.

The invention relates to the technical field of mine management, and discloses a mine intelligent safety monitoring and early warning system, which comprises an intelligent acquisition module used for monitoring data of each position of a mine in real time and automatically adjusting monitoring frequency and sensitivity, and the data of each position comprises environment, equipment and geological conditions; the safety communication module is used for processing the data, transmitting the data to the corresponding module and keeping communication with the site in emergency; the data analysis module is used for storing, processing and analyzing the data acquired by the intelligent acquisition module, and extracting features and information; and the early warning module is used for optimizing a prediction model according to the features and information extracted by the data analysis module. According to the invention, the sensitivity and the accuracy of data acquisition are improved through the intelligent acquisition module, and the reliability and the information transmission efficiency of the system are improved through the safety communication module, so that the safety risk of a mine can be comprehensively known, the possibility of safety accidents is effectively reduced, and the safety and the efficiency of mine operation are improved.

The invention discloses a method for estimating the safety communication rate of a near-earth satellite by using an SDFS cooperating with a GLRT. The method comprises the following steps: constructing a communication system model between the near-earth satellite and a ground terminal; analyzing the signal and channel characteristics, and obtaining the distance between the nodes, the channel gain and the received signal distribution; under the condition that the transmitting power of each monitoring party is unknown, estimating the transmitting power by adopting generalized likelihood ratio test, and independently executing the generalized likelihood ratio test based on the observation data of each monitoring party; the superior manager performs joint judgment based on a soft decision fusion scheme in combination with the generalized likelihood ratio test result of each monitoring party and a joint threshold so as to estimate the detection error probability of the monitoring party; a joint optimization strategy of the transmitting power and the number of continuous transmission time slots is constructed, and the total throughput of the system is maximized under the condition that the cooperative concealment constraint is met; according to the invention, an innovative solution is provided for reliable communication of the near-earth satellite in a complex monitoring environment.

The invention provides a secure communication method and device for an upper computer and an ECU (Electronic Control Unit), a storage medium and a program product, which are respectively applied to an upper computer end and an ECU end, and the method comprises the following steps: the upper computer obtains an encryption public key of the ECU and a decryption private key of the upper computer, generates a session key for data encryption and decryption, and sends the session key to the ECU; and the session key is subjected to double encryption by sequentially using an encryption public key of the ECU and a decryption private key of the ECU, and a communication ciphertext is generated and sent to the ECU end. And after receiving the communication ciphertext, the ECU end performs dual decryption by using the encryption public key of the upper computer and the decryption private key of the ECU end in sequence, so that the session key is recovered. And after the key negotiation is completed, the two parties encrypt and decrypt communication data through a symmetric encryption mode based on the session key. According to the invention, a hybrid encryption communication mechanism taking the public key infrastructure as the root of trust is constructed, confidentiality and integrity protection of communication data is realized, and the authentication capability of the identity of the communication entity is remarkably enhanced.

The embodiment of the invention relates to the technical field of unmanned aerial vehicle communication, in particular to a non-Gaussian noise assisted unmanned aerial vehicle covert communication method and system, and the method comprises the steps: building an unmanned aerial vehicle covert safety communication scene model assisted by an unmanned aerial vehicle jammer transmitting non-Gaussian noise; establishing an optimization problem in the established model by taking maximization of the average security hidden throughput of multiple users as a target and combining the concealment and power limitation constraint conditions; the optimization problem is converted into a multi-unmanned aerial vehicle cooperation Markov decision process; aiming at the Markov decision process obtained by conversion, using a combined attention mechanism and a standard multi-agent double-delay depth deterministic strategy gradient to optimize the multi-unmanned-aerial-vehicle trajectory to obtain an optimal multi-unmanned-aerial-vehicle trajectory; and instructing the unmanned aerial vehicle to execute a communication task based on the optimal multi-unmanned aerial vehicle trajectory. According to the method, the average security covert throughput in a non-Gaussian noise assisted covert security communication scene of the unmanned aerial vehicle node in the air can be well improved.

The invention relates to a secure communication method, system and device between an unmanned aerial vehicle and a ground station, and a readable medium. The method comprises the following steps: a control center generates and issues public parameters for safety communication of a system; registering the ground station and the unmanned aerial vehicle; the ground station and the unmanned aerial vehicle respectively send respective real identities to the control center; receiving and storing safety parameters and challenge sets which are respectively sent to the ground station and the unmanned aerial vehicle by the control center; randomly selecting a challenge from the received challenge set, and generating a registration parameter in combination with the public parameter; the ground station and the unmanned aerial vehicle generate mutually sent authentication information by using respective registration parameters to perform mutual authentication, and a session key special for secure communication is established between the ground station and the unmanned aerial vehicle after the authentication succeeds; and after authentication and key negotiation are successfully completed, the ground station and the unmanned aerial vehicle reselect challenges from respective stored challenge sets, and update authentication parameters. According to the invention, secure communication between the unmanned aerial vehicle and the ground station is realized.

The invention relates to the technical field of unmanned aircraft measurement and control network communication, in particular to an unmanned aircraft measurement and control network safety communication method, system and device and a medium. The data of the unmanned aerial vehicle are prevented from being tampered in the transmission process through the Hash technology; through multi-factor identity authentication, whether the identity of the to-be-networked unmanned aerial vehicle is legal is verified, the security of the authentication process is improved, an encryption algorithm is called to encrypt unmanned aerial vehicle communication data, the security communication of an unmanned aerial vehicle measurement and control network is ensured, and the security, reliability and anti-interference capability of unmanned aerial vehicle communication are improved; the key technology for ensuring the safety of the unmanned aerial vehicle system not only can protect the flight safety of the unmanned aerial vehicle, but also can guarantee the safety of data carried by the unmanned aerial vehicle and the stability of a monitored environment.

The invention relates to the technical field of industrial internet-of-things safety communication, in particular to an industrial internet-of-things edge computing safety communication method based on federated learning, which comprises the following steps of: constructing a unified collaboration framework of an industrial internet-of-things system; an interference signal is sent to the eavesdropping device through the edge computing server at the interference power, so that the secure transmission rate of the communication channel is a positive value in the presence of eavesdropping; calculating the total energy consumption of the edge computing server under different task unloading strategies, wherein the total energy consumption of the edge computing server does not exceed the maximum value of energy consumption which can be borne by the industrial Internet of Things system; and constructing an unloading decision model based on federated learning, and outputting an optimal unloading decision based on the unloading decision model by taking the minimum average calculation task time delay as a target. According to the method, the unified collaboration framework of the industrial Internet of Things system is constructed, federated learning and edge computing technologies are combined, data privacy protection and communication security can be remarkably improved, and the time for averaging computing tasks is minimized under the energy consumption constraint.

The invention relates to a hybrid ad hoc network and a safe and efficient communication method in a large-scale wireless sensor network. The method comprises the steps that a network topology construction module is used for designing a heterogeneous communication protocol with high adaptability based on the distribution condition of large-scale sensor nodes, and seamless cooperative work of multiple communication technologies is ensured; the ad-hoc network optimization module adopts a dynamic ad-hoc mechanism to realize autonomous discovery and network connection between nodes and improve the expansibility and flexibility of the network; the safety communication module is combined with an advanced encryption algorithm and an authentication mechanism to ensure the safety and the reliability in a data transmission process; and the efficient communication protocol module improves the data transmission efficiency and the overall performance of the network through the technical means of signal transmission optimization, interference management and the like. Through cooperative work of the modules, efficient, safe and reliable heterogeneous wireless communication can be realized in the large-scale wireless sensor network, and the requirements of the large-scale wireless sensor network in practical application are met.

The invention relates to the technical field of wireless communication networks, and discloses a communication optimization method and system for a wireless energy-carrying safety communication system in a far and near mixed field. The method comprises the following specific steps: constructing a wireless energy-carrying safety communication system in a far-near hybrid field, wherein the wireless energy-carrying safety communication system comprises a base station, an energy collection receiver with K near-field single antennas and an information decoding receiver with M far-field single antennas; constructing a mixed field channel model; constructing a signal model comprising the information signal and the digital beam forming matrix thereof, and the artificial noise and the digital beam forming matrix thereof; based on the signal model and the mixed field channel model, a maximization problem objective function of the minimum safety rate weighted sum of the information decoding receiver is formulated; and solving a maximization problem to obtain an optimal communication scheme. The method solves the problem that vector optimization of beam forming is lacked in the prior art, and has the characteristic that the information transmission security of the system can be improved.

The invention discloses a multi-unmanned-aerial-vehicle intelligent safety communication method and system based on digital twinning. The method comprises the following steps: constructing a multi-unmanned-aerial-vehicle auxiliary communication system; fitting is carried out through Gaussian process regression, and the optimal value of a kernel function hyper-parameter of the prediction model is determined; based on the optimal value of the kernel function hyper-parameter of the prediction model, performing optimization training through digital twinning driving in combination with a deep reinforcement learning algorithm, and constructing a trained digital twinning environment; the unmanned aerial vehicles are guided to generate differentiated flight paths and data acquisition actions in a physical environment through a fusion-elimination updating method, and intelligent safety communication of the multiple unmanned aerial vehicles is achieved. According to the method, the dynamic change rule of the position of the eavesdropper is modeled, and the multi-unmanned aerial vehicle system is guided to adopt a differentiation strategy according to the dynamic change rule, so that active avoidance and secure data transmission under the threat of mobile eavesdropping are effectively realized. The multi-unmanned aerial vehicle intelligent security communication method and system based on digital twinning can be widely applied to the technical field of unmanned aerial vehicle communication.

The invention discloses a secure communication method and system of an MQTT protocol based on a national cryptographic module, a server and a client based on MQTT protocol communication are both configured with the national cryptographic module, and the secure communication method comprises the following steps: the server and the client generate an initial key pair based on the national cryptographic module, signature verification is carried out based on a national cryptographic algorithm and the initial key pair, so that security identity authentication between the server and the client is realized; negotiating an encryption key between the server and the client based on a national secret algorithm; the client sends a connection message of an MQTT protocol encrypted based on an encryption key and a national cryptographic algorithm to the server, and verification of a client user name and a password is carried out; the MQTT protocol communication based on the encryption key and the national cryptographic algorithm is carried out based on the verification result, SM2 algorithm signature and signature verification are fused in the MQTT protocol based on the national cryptographic hardware cryptographic module, the SM4 algorithm is adopted to symmetrically encrypt and decrypt data transmitted by the MQTT protocol, the MQTT protocol conforming to the national cryptographic algorithm is designed, and the confidentiality of the data is ensured.

The invention discloses an IRS-UAV (unmanned aerial vehicle-mounted intelligent reflector) enhanced secure communication and mobile edge computing method, in which a relay UAV has limited data storage capability, and the IRS-UAV is equipped with an IRS to adaptively improve task uploading and task unloading. To minimize system costs, the trajectory of the UAV, the pairing of edge servers, the pairing of target users, the data offload ratio, and the reflective elements of the IRS are jointly optimized. In order to solve the problem of complex non-convex optimization, the invention provides an intelligent hybrid algorithm based on a deep dual-Q network (D3QN) algorithm and a deep deterministic policy gradient (DDPG) algorithm, and relates to an intelligent hybrid algorithm based on a deep dual-Q network (D3QN) algorithm and a deep deterministic policy gradient (DDPG) algorithm. Simulation results show that the intelligent scheme provided by the invention can effectively solve the security problem of complex unmanned aerial vehicle mobile communication, and good convergence is obtained in a short time. In addition, compared with a reference scheme, the scheme provided by the invention obviously reduces the system overhead.

The invention discloses an insulin pump safety reminding system based on remote communication, and the system comprises an insulin pump terminal which is used for collecting equipment operation parameters, and receiving and executing a verified operation instruction; the patient monitoring terminal is bridged with a data transfer interface, a local data encryption cache interface, a graded early warning display interface and a remote man-machine interaction interface of the insulin pump terminal and the hospital comprehensive management platform; the graded authorization user terminal receives early warning information related to the insulin pump terminal, checks the state of a patient and initiates a remote operation request; the hospital comprehensive management platform is in communication connection with each terminal, manages each terminal, performs data aggregation and intelligent analysis, generates early warning information based on a multi-dimensional rule, and performs authority management and auditing and multi-source data fusion application; and the safety communication and control module is used for guaranteeing data transmission safety, operation instruction compliance and system emergency fault-tolerant operation. According to the invention, cross-time-space safety protection and active early warning can be realized, the treatment safety and management efficiency are improved, and the method is suitable for medical and pension institutions at all levels.

The invention discloses a remote monitoring and maintenance method and system for a distribution network hot-line work robot, and the method comprises the following steps: carrying out the data collection network deployment of the distribution network hot-line work robot, and carrying out the robot data collection based on the deployed network; carrying out edge calculation on the collected distribution network hot-line work robot data to obtain robot operation key data; establishing a two-way safety communication channel, and transmitting the robot operation key data to a cloud platform through the two-way safety communication channel; the cloud platform performs fault diagnosis on the received data based on a fault diagnosis model of multi-source data fusion, and generates a fault maintenance scheme based on a maintenance strategy model of historical maintenance data; and verifying the feasibility of the fault maintenance scheme to obtain an optimal processing scheme, and sending an instruction of the optimal processing scheme to the distribution network hot-line work robot through the bidirectional safety communication channel for fault maintenance. The fault detection accuracy of the robot can be improved, the maintenance efficiency is improved, and the maintenance cost is reduced.

The invention discloses an MIMO space-air-ground integrated secure communication multi-objective optimization method, and belongs to the field of wireless communication. The implementation method comprises the steps that an MIMO space-air-ground integrated safety communication network system is constructed, in the system, legal users in an LEO satellite integrated unmanned aerial vehicle network ISUAVN are provided with high-gain antennas, and potential threats of eavesdropping on a GEO satellite network exist; the ISUAVN adopts a cell-free large-scale multiple-input-multiple-output network, so that the spectrum efficiency of ground users is improved. A weighted Chebyshev method is applied to balance two mutually conflicting targets of total energy minimization and maximum confidential transmission rate, and an MIMO space-air-ground integrated security communication multi-target optimization problem is constructed. A multi-objective optimization problem is converted into a single-objective problem by adopting a weighted Chebyshev method, and an optimal solution of a joint beam forming problem is quickly solved by adopting a continuous convex approximation (SCA) method and a CVX optimization software package. According to the invention, the total transmission power can be reduced on the basis of ensuring the communication quality, so that the energy efficiency and reliability of the system are optimized.

The invention discloses a multi-unmanned aerial vehicle cooperation-oriented low-altitude Internet of Things secure communication method and system, and belongs to the technical field of low-altitude Internet of Things. The method comprises the following steps: constructing a multi-unmanned aerial vehicle collaborative optimization model integrating a no-fly zone, a ground obstacle zone, communication security and energy consumption constraint; aiming at a high-dimensional non-convex characteristic of the model, a solution algorithm based on a multi-agent depth deterministic strategy gradient framework is adopted, and a local observation space containing a self state, environment information and a channel state and an action space containing speed adjustment and power adjustment are designed for each unmanned aerial vehicle agent through a centralized training decentralized execution mechanism; and a multi-target reward function is defined, so that the intelligent agent autonomously learns a cooperative strategy in a complex environment through training, and an optimized unmanned aerial vehicle track and transmitting power control instruction is jointly output. According to the invention, on the premise of strictly ensuring flight safety and physical layer safety, the sum of long-term safety communication rates of the low-altitude Internet of Things is effectively improved, and the method has good dynamic adaptability and expandability.

The invention discloses a quantum security aggregation signature method suitable for an embedded system, and the method comprises the steps: initializing system parameters through a trusted key generation center, and generating a pair of public and private keys for each signature user; the signature user signs the message by adopting a signature algorithm and a private key of the signature user, and sends a generated signature result, the message and a digital certificate of the message to the aggregation server; the aggregation server executes an aggregation algorithm according to the received information, multiple signatures are combined into an aggregation signature, and the aggregation signature and related information are sent to a verification server; and the verification server verifies the aggregation signature by using system parameters provided by the trusted key generation center and a public key of the aggregation server so as to ensure the integrity and correctness of the signature, thereby verifying the source of the message and the availability of the message. The method is suitable for various embedded systems with numerous edge nodes and limited computing resources, such as application scenes of unmanned aerial vehicle cluster safety communication, medical wireless sensor safety communication, intelligent network connection automobile and even satellite safety communication and the like.

The invention provides a platform door control system based on safety communication and a control method thereof, so that an all-electronic communication unit (ECU) receives a door opening message or a door closing message sent by a vehicle-mounted controller through a wireless network, and sends a door opening command or a door closing command to a plurality of communication-based door control units (CCU) managed by the ECU through an optical cable local area network; the CCU drives the platform door controlled by the CCU to open or close the door; the ECU further receives closing locking signals corresponding to the platform doors from the CCUs, logic operation is carried out on the closing and locking signals of all the platform doors, then the signals are sent to the vehicle-mounted controller, and the vehicle-mounted controller controls the train to leave the platform. Meanwhile, the PSL disk and the IBP disk are additionally provided with a controller, so that in-situ driving and network communication are realized. According to the invention, efficient and reliable network communication between equipment can be realized, the reconstruction construction difficulty of the platform door is reduced, the construction period is shortened, the equipment cost is reduced, and the control flexibility, safety and reliability of the platform door are improved.

The invention provides an encrypted optical communication system based on amplified spontaneous emission (ASE). The system integrates the broadband and high-noise characteristics of an ASE light source and a dynamic key mechanism. A wavelength division multiplexing technology is adopted, and devices such as a Mach-Zehnder modulator, a phase modulator and a polarization modulator are combined, so that effective modulation of data and key signals is realized. A dynamic secret key mechanism is introduced into the system, during each data transmission, an encrypted data signal is sent, and an encrypted secret key is synchronously transmitted to an authorized user, so that disposable use of the secret key is ensured, and the anti-cracking capability of the system is greatly improved. By means of the efficient mode that the secret key is transmitted and updated every time, the risk that the secret key is cracked by quantum computing for a long time can be effectively reduced, and the data confidentiality of the system is enhanced. In addition, the system further meets the requirement for flexible expandability, and a feasible research idea is provided for high-safety communication.

The invention relates to the technical field of wireless communication, in particular to a secure communication perception integrated system optimization method based on rate segmentation multiple access and a reconfigurable holographic surface, which comprises the following steps: constructing a secure communication perception integrated system model; constructing a multi-objective joint optimization problem; a multi-objective joint optimization problem is decomposed into three sub-problems, and solving algorithms are designed respectively; and sequentially updating the solutions of the three sub-problems in an alternate iteration mode until a convergence condition is met, outputting an optimal parameter, and carrying out multi-dimensional verification on the system performance. According to the invention, through a rate segmentation multiple access public stream-private stream layered coding mechanism, the system can intelligently convert part of signal energy into man-made interference to potential eavesdroppers, and at the same time, a high-dimensional beam forming degree of freedom provided by a reconfigurable holographic surface is utilized; accurate orientation of legal user signals and accurate control of null depth of an eavesdropping direction are realized.

The invention discloses a safety communication device based on artificial intelligence, which comprises a processor, and the processor is connected with an encryption module, an identity verification module, an intrusion detection module, a machine learning module, a safety protocol module and a user interface module. The invention belongs to the technical field of intelligent communication, through the combination of the encryption module and the identity verification module, a trust relationship and a data encryption transmission channel can be established between two communication parties, the data security and integrity can be improved, potential malicious activities are monitored and identified in real time through the intrusion detection module, and the security of the communication parties is improved. Hacker attack and data leakage can be effectively prevented, meanwhile, through continuous learning and optimization of the machine learning module, the system can adapt to a new threat mode, flexible security configuration and management are provided, the overall security performance is improved, and the market prospect is wide.

The invention discloses a rail transit door system network safety interlocking loop and an implementation method thereof. The network safety interlocking loop comprises a plurality of single-door inner safety loops, and each switch in each single-door inner safety loop is provided with two pairs of contacts; wherein a pair of contacts of each switch are connected into the DCU of the door, and after safety input processing is completed in the DCU of the door, the safety input is uploaded to the domain controller through safety communication; and the other pair of contacts of each switch is divided into two loops for connection, one ends of the two loops are respectively connected with an adjacent gate power supply, the other ends of the two loops are respectively connected with an adjacent gate DCU input port, and after the adjacent gate DCU carries out safety input processing, the data are uploaded to a domain controller through safety communication. Hard wires for connecting all the doors in series are omitted, and the function of the safety circuit reaches the SIL4 level; and through the adjacent door mutual mining design, the reliability of the safety circuit is improved, and the situation that the domain controller cannot judge the state of the safety circuit due to power failure of a single DCU is avoided.

The invention relates to a zone area safety communication and key updating method based on quantum communication. The method comprises the following steps: S1, a quantum key management platform charges a quantum protection key Kc and a certificate to a main control board of edge equipment; s2, the end device S performs identity authentication on the main control board of the side device C; s3, the main control board of the side equipment C performs identity authentication on the end equipment S; s4, the side equipment C generates a session key Kh and sends the session key Kh to the end equipment; s5, encryption and decryption of downlink data; s6, encryption and decryption of uplink data; and S7, updating the session key. The security, efficiency and reliability of data transmission are improved.

The invention discloses an energy storage power station cell data monitoring method and device, electronic equipment, a storage medium and a product, and relates to the technical field of electrical energy, the disclosed energy storage power station cell data monitoring method is applied to an energy storage power station cell data monitoring system, and the system comprises a safety communication management device and a cloud platform. The method comprises the following steps: acquiring battery cell data of a monitored energy storage power station through a safety communication management device, and encrypting and transmitting the battery cell data to a cloud platform by adopting a message queue telemetry transmission protocol; and battery safety monitoring and evaluation are carried out through the cloud platform based on a preset battery cell fuzzy evaluation model, and input data of the battery cell fuzzy evaluation model are battery cell data. According to the invention, the effectiveness of large-scale energy storage power station cell data monitoring can be improved.

The invention relates to the technical field of network security and communication, in particular to a security communication platform and method constructed based on security control and trusted network connection. The security communication platform comprises a security management and control center platform, a trusted password service platform, a trusted network connection optimization architecture, a distributed network architecture, a security shared memory mechanism, an application cluster system and a trusted VPN function module, the security management and control center platform is deployed in a core network, and a trusted platform module is arranged in the security management and control center platform as a global trusted root. By constructing an integrated platform of the trusted security management and control system and the secure and trusted intelligent VPN, triple security assurance of trusted access terminal, trusted network connection and trusted data transmission can be realized, and the requirements of a key information system on high security, high reliability and high adaptation of network communication are met; the defects of the traditional VPN in the aspects of attack surface control, encryption capability, identity authentication, systematic defense and the like are overcome.

The invention provides a programmable electronic detonator safety communication system and a safety communication method, and relates to the technical field of electronic communication safety. The programmable electronic detonator safety communication system comprises a detonation controller and at least one electronic detonator, wherein the electronic detonator is internally provided with a secure communication module, and the secure communication module is configured to generate a unique physical identity label of the electronic detonator based on a physical unclonable function response value generated by the SRAM PUF unit; receiving an encryption instruction frame from the detonation controller for decryption and authentication; sending an encrypted response frame to a detonation controller; the detonation controller is configured to perform bidirectional identity authentication with each electronic detonator and negotiate or derive a session key; constructing a communication frame containing anti-replay parameters and instruction data, encrypting the communication frame by using the session key and generating a message authentication code; and verifying the integrity and freshness of the response frame of the electronic detonator. According to the method, the safety intensity can be ensured, and hardware guarantee is provided for maintaining millisecond-level instruction response.