38results about How to "Guaranteed transmission security" patented technology

The invention relates to a method and device for having access to a wireless network. The method includes the steps of finding a target terminal which is going to have access to the target wireless network after a first terminal has access to the target wireless network, generating a multicast address according to the access information of the target wireless network, and sending multicast messages to the multicast address, wherein the multicast messages are multicast messages which represent the access information and are received by the target terminal and used for having access to the target wireless network. By means of the method and device, under the condition that the first terminal does not stop the access to the target wireless network, the target terminal can have access to the target wireless network; thus, compared with the related technology where access switching needs to be conducted, the method and device have the advantages that the access control process can be simplified, and the efficiency of the target terminal having access to the target wireless network can be improved.

The lift remote monitoring and warning system based on radio network includes a lift monitoring system and a radio network communication system. The key technological points of the present invention include that the lift monitoring system with lift controller is connected to the lift monitoring module and the GSM module in the lift monitoring module is connected to the data server in B/S software structure via the radio communication network in USSD transmission mode, and that the lift monitoring system has its monitoring terminal connected to the Internet Web browser. The lift remote monitoring and warning system realizes the monitoring and warning of lift via the Internet, and the advantages of simple site configuration, low cost, fast response speed, convenient data transmission, etc.

The invention provides a software cross-cloud deployment method, a deployment server and a storage medium. The method comprises the steps of obtaining a software deployment request, wherein the deployment request comprises a target transfer machine identifier, a target machine identifier, a to-be-deployed software installation package and a first check file corresponding to a target machine; sending a connection request to a target transfer machine, wherein the connection request comprises the first check file; receiving a connection response message returned by the target machine; and sendinga deployment instruction to the target transfer machine, wherein the deployment instruction comprises the to-be-deployed software installation package and the target machine identifier. Through the method, automatic deployment of a software installation task can be realized; cross-cloud batch task deployment is facilitated; the task deployment speed and efficiency are improved; and the technicalproblems of complex installation process and poor flexibility in the prior art are solved.

The invention discloses a data access method and equipment adopting the same. In the data access method disclosed by the invention, metadata information is encryption information; when accessing a storage server according to the metadata information, a client side needs to acquire a metadata key according to user identification, and obtain the metadata information by decrypting the encryption information according to the key, therefore, an unauthorized client side can not obtain the metadata key according to the user identification, further the metadata information can not be decrypted, and then the phenomenon that an unauthorized client side accesses a metadata server to acquire metadata information and then accesses the storage server through the metadata information can be avoided.

The invention discloses a high safety communication technology based on two-way time domain waveform aliasing and belongs to the technical field of communication. The existing local signals of two communication parties are fully utilized to perform aliasing and covering on each other's signals. The two communication parties transmit and receive mixed signals. Each communication party receives and separates the signals of the other party and allows the same to be mixed with local signals for transmission. The cooperating parties can separate the signals by using local signals and waveform reconstruction offset to complete normal communication. Non-cooperating parties do not know signal samples of the cooperating parties, the mixed signals cannot be separated, and information transmission safety is guaranteed. The method aiming at the situation that communication information safety faces increasingly large threats has the advantages that the signals transmitted in channels are mixed by two signals, safety communication of the whole communication process can be achieved, and no extra communication bandwidth is needed.

The invention provides a method for safely sharing a picture. The method comprises the following steps: acquiring a picture resource; acquiring a sharing mode corresponding to the picture resource, wherein the sharing mode comprises a first safe mode and a second safe mode, the first safe mode is used for saving the acquired picture resource in a hidden directory of a memory card, and the second safe mode is used for encrypting the acquired picture resource to obtain the encrypted picture, sharing the encrypted picture and deleting the acquired picture resource; and processing the acquired picture resource according to the acquired sharing mode. The invention further provides a mobile terminal. Through the adoption of the mobile terminal and the method for safely sharing the picture provided by the invention, a plurality of safe modes for picture sharing are set to prevent other people from stealing the picture uploaded by the user through a network, the security of the picture sharing is improved, the picture laboriously conceived and creatively photographed by the user cannot be stolen by other people.

The invention discloses a file transfer method based on file mapping encryption. The file transfer method comprises the steps of: (1) compressing a file to be transferred; (2) subjecting the compressed file to binary encryption; (3) calculating and recording an MD5 value of the encrypted file; (4) uploading the encrypted file to a specified file server; (5) parsing a JSON string returned after successful upload, and intercepting a URL for file download; (6) creating a file message and a JSON string on the basis of a secret key encrypted in the step (2), the MD5 value obtained in the step (3) and the URL obtained in the step (5); (7) and sending the file message and the JSON string thereof by means of HTTPS. The file transfer method has the advantages of adopting a powerful compression algorithm, satisfying high compression of large files, providing an efficient transferring speed, ensuring security in the file transfer process by encrypting the file, and effectively guaranteeing transfer security of users.

The invention discloses an encrypted blind signature method based on a quantum secret communication technology. According to the method, the encrypted blind signature function is obfuscated by adopting an obfuscation technology, so that the code of the code obtained by reverse engineering of an enemy is an obfuscated code, the blindness and the one-mcore unforgeability under the encrypted blind signature obfuscator are proposed, and a source program is prevented from being obtained by a user or an unauthorized user. Then, in the protocol interaction process, a cooperation mode of a quantum keygeneration device and an encryption device is adopted, and the transmission security is ensured through a quantum key security distribution system of the quantum key generation device.

The invention relates to mobile storage equipment with breakpoint continuous transmission, which comprises an interface for interchanging data with peripheral equipment, a controller connected with the interface, a memory connected with the controller, and a microprocessor connected with the controller. The mobile storage equipment also comprises a breakpoint continuous transmission module connected with the microprocessor and a detection module connected with the microprocessor and used for detecting file situations. The breakpoint continuous transmission module is connected with the controller and is used for adding running marks for the transmitted data, and the running marks are the marks sequentially added into the file data at regular intervals.

The invention discloses a network security authentication and data protection device using the Beidou communication satellite. The device comprises a host, a display screen and an alarm indicator lamp are arranged on the host, a Beidou antenna is arranged at the upper end of the host, an RJ45 network interface is formed in one side of the host, a core circuit board is arranged in the host, an intelligent processing chip, a network communication module, an alarm module, a display module, an SAM security module, a security storage module and a Beidou RD/RN communication module are arranged on the core circuit board, and the network security authentication and data protection device disclosed by the invention has the advantages of having a novel structure design, and being able to greatly improve the reliability and security of the network security authentication technology and data encryption protection.

The embodiment of the invention provides a service request transmission method and device and electronic equipment. The method is applied to a client, and comprises the following steps: generating a request identifier corresponding to a service request under the condition of initiating the service request; encrypting the first target data by adopting a first preset algorithm to obtain an encryptedidentifier; signing the second target data by adopting a second preset algorithm to obtain a signature identifier; writing the request identifier, the encryption identifier and the signature identifier into the service request to obtain a target service request; and sending the target service request to a server. In the embodiment of the invention, in the process of transmitting the service request, the request parameter does not need to be encrypted. And meanwhile, adding the request identifier, the encryption identifier and the signature identifier into the service request for the server toverify the service request. And possible problems of the request parameters in the encryption and decryption process are avoided.

The invention discloses a lightweight certificateless industrial Internet of Things access control method and system. According to the method, a local central server responsible for authorization carries out identity authentication on two parties according to an OAuth thought; different from ACE-OAuth, traditional (such as certificate-based) communication key negotiation needs to be carried out before authentication. According to the method, a local server is used as a trusted third party; two-way authentication between a user and a resource server is realized by using challenge response basedon a public key, a token and a password; communication key negotiation is integrated into an authentication process; the resource server does not need to distribute, receive and verify certificates while the security is ensured; the number of interactive rounds in the authentication process can be effectively reduced, then the communication data transmission amount and the key negotiation calculation consumption including CPU occupation, disk occupation, memory occupation and the like are effectively reduced, and the method is more dominant in safety and practicability and is more suitable for resource-limited environments such as the industrial Internet of Things.

The invention provides a web server-based dairy cow environment data monitoring system. The system comprises a sensor group, a local server and a serial port server. The sensor group is used for acquiring the environmental data of a dairy cow site, and transmitting the environmental data to the serial port server. The serial port server is used for collecting the environmental data, and transmitting the environmental data to the local server. The local server is used for storing and processing the environmental data. According to the invention, the breeding and the informatization are fully combined, so that the breeding is more scientific. Meanwhile, the basic data of each breeding base are collected and recorded in a database, so that the foundation is laid for later-stage big data analysis. Through analyzing the basic data, guiding suggestions are provided for the cow breeding technology in China. At the same time, the daily management of the dairy cow breeding can be integrated.

The invention discloses a vehicle and digital key pairing method and device, and the method comprises the steps: in response to a pairing request sent by a mobile terminal, determining a second feature parameter of a vehicle based on a physical unclonable component of the vehicle; determining a first key parameter and a calculation factor according to the pairing request sent by the mobile terminal; generating a vehicle session key according to the first key parameter, the second feature parameter and the calculation factor; and authenticating the mobile terminal based on the vehicle session key to obtain an authentication result, wherein the authentication result indicates whether the mobile terminal as a digital key is successfully paired with the vehicle or not. According to the scheme provided by the invention, the shared key can be generated based on the physical unclonable components of the vehicle and the mobile terminal and a key exchange algorithm without the intervention of a cloud server, so that the authentication of the vehicle and the mobile terminal is realized, the pairing security of the shared key is guaranteed, and the pairing process of the digital key and the vehicle is simplified.

The invention provides a physical layer secure transmission optimization method and device based on a frequency control array, electronic equipment and a storage medium. The method comprises the following steps that a secure transmission rate optimization model is established according to a limited character input signal and a preset channel model; and the preset precoding vector and the preset frequency offset vector in the secure transmission rate optimization model are alternately optimized, the optimized precoding vector and the optimized frequency offset vector are determined, and the optimized secure transmission rate is calculated, so that the security of the physical layer secure transmission system in practical application is improved.

The invention discloses a unmanned aerial vehicle relay Internet of Vehicles secure transmission method based on non-orthogonal multiple access. The method comprises the following steps of: firstly, constructing a unmanned aerial vehicle relay Internet of Vehicles model based on non-orthogonal multiple access and comprising one base station, one unmanned aerial vehicle and V network edge vehicles; constructing a physical layer security model among the base station, the unmanned aerial vehicle and network edge vehicle nodes based on the unmanned aerial vehicle relay Internet of Vehicles model based on non-orthogonal multiple access; then, based on the unmanned aerial vehicle relay Internet of Vehicles model and the physical layer security model, constructing an unmanned aerial vehicle relay Internet of Vehicles secure information transmission target and optimization conditions; and finally, obtaining a solution through a golden section method and a graph theory based on the unmanned aerial vehicle relay Internet of Vehicles information secure transmission target and optimization conditions, and constructing an unmanned aerial vehicle relay Internet of Vehicles information secure transmission method. Compared with an existing mechanism, on the premise that the information transmission security is guaranteed, the total data transmission rate from the base station to the vehicle in the unmanned aerial vehicle relay Internet of vehicles can be increased.