17 results about "Information confidentiality" patented technology

This invention relates to a domestically produced method for monitoring the unauthorized use of mobile phones, belonging to the field of information security protection technology. The system of this invention includes network cameras, a domestically produced intelligent server, access control, client terminals, a video wall, and a switch. The network cameras and access control are deployed in the monitoring location; the switch and the domestically produced intelligent server are deployed in the server room; the video wall is deployed in the monitoring room; and the client terminals are deployed in the office. The method of this invention includes: video acquisition, video analysis, display of analysis results, and access control linkage control. This invention uses domestically produced CPUs and domestically produced accelerator cards, making it more secure and eliminating the risk of sanctions or backdoors; it can automatically control access, promptly preventing unauthorized mobile phone users from escaping the scene, thus buying valuable time to prevent information leaks.

The present invention optimizes the amount of input information with respect to a language model for determining the confidentiality of information, and enables identification of confidential information with excellent efficiency and accuracy. This information processing system 100 is configured to comprise: an auxiliary storage device 203 for retaining information about sentences; and a processor 201 that calculates, on the basis of the information about the sentences, an anticipated computational cost and certainty factor during confidentiality identification with regard to respective sets of a specific sentence and a peripheral sentence, that generates a peripheral information list indicating peripheral sentences selected on the basis of results thereof, and that inputs specific sentences and peripheral sentences to a language model on the basis of the peripheral information list to thereby identify whether the specific sentences are confidential information.

In a customer information sharing system, while keeping confidential information confidential in principle, the system should allow for the easy creation of shared pairs where businesses with special personal relationships can share their unique confidential information through mutual agreement. [Solution] The first member company sends a letter to the second member company offering to share their respective unique confidential information, and the second member company responds with a reply acknowledging the sharing, thereby establishing the sharing of their respective unique confidential information between the first and second member companies through this round-trip communication.

The invention discloses an image information secrecy method for a paper window envelope and an image printing method based on the secrecy method.The image information secrecy method comprises the steps that 1, a periodic base image is generated through a periodic function, and a secret key image IA is generated through the base image; 2, extracting components of RGB channels of the target color image, converting the components into a gray coding matrix, and normalizing pixel values; 3, embedding the components of the three channels of the target color image into the phase parameters of the substrate image to obtain an embedded image; 4, generating an information image IB containing target color image information according to the phase parameter of the embedded image; and 5, directly superposing the IA and the IB so as to display a decrypted image Ic approximate to the target color image. According to the method, high secrecy and clear display of the multi-tone target image are realized, and when the method is used for the window envelope, the information secrecy of the window envelope can be improved.

The present invention relates to a method for detecting illegal use of mobile phones, and belongs to the field of information confidentiality protection technology. The present invention obtains pictures containing mobile phones in a public environment, simulates a scene where the use of mobile phones is prohibited, and respectively shoots videos of making and receiving calls on mobile phones; the collected materials are first automatically labeled using the YOLOv5 official model, and the data set is data enhanced; the enhanced data set is used to train the YOLOv7 target detection model and the VGG-16 classification model respectively; the camera video stream is obtained, and according to the frame skipping setting, a single frame image is obtained therein, and the image size is transformed to the YOLOv7 model input size. The position coordinates of the mobile phone in the image are obtained by training the YOLOv7 model. An image of the mobile phone area is obtained, and the image is classified using VGG-16 to determine whether the mobile phone is currently held; and whether the behavior is illegal. The present invention determines whether there is a violation based on the requirements for mobile phone control in the application site and combines detection and classification. The detection accuracy of the present invention is high.

The application relates to the field of data leakage processing, in particular to a multi-scene applied data leakage processing method and device, equipment and medium. The method comprises the following steps: acquiring recording information, the recording information comprising a recording file and a recording time; performing sound feature analysis on the recording file to obtain conference participant information and sound channel information in the recording file; performing three-dimensional space reconstruction on the sound channel information to obtain at least one sound scene model; combining the at least one sound scene model with the conference participant information to obtain at least one group of personnel positions; calling a conference image according to the recording time and the conference participant information to obtain a conference scene image; positioning personnel positions of the conference scene image to obtain actual personnel positions; and obtaining an eavesdropping position according to the actual personnel positions and the at least one group of personnel positions. The application has the effect of improving the confidentiality of confidential information in different scenes.

The invention discloses an information management device and method for intelligent archives, and belongs to the technical field of information management, and the method comprises the steps: obtaining a plurality of types of archive information of archives to be uploaded corresponding to each archive object, and carrying out the modulation processing of confidentiality characteristic information; cutting archive information of various types of archive information in the first information at all generation time points by using a Yamamoto method to obtain subqueues of the archive information of various types in the first information; according to other methods, information with similar secrecy characteristics in different time periods is precisely segmented according to secrecy information differences embodied by file objects, so that precise Laplace mechanism processing is carried out on the information of the file objects. And the effect of discrete Laplace mechanism processing with a too high global effect in the private processing period on information confidence distinguishing after confidential processing is weakened, so that the maneuvering confidential processing accuracy of archive information confidential information of the to-be-uploaded archive is improved.

Embodiments of the invention include systems and methods for transmitting messages related to certain information while maintaining the confidentiality of that information. A potential recipient may register one or more devices for receipt of such messages while specifying rules regarding when different messages may be delivered to the various devices. To keep sensitive information confidential, the messages may include only a link to such sensitive information, but exclude the sensitive information itself. An authorized recipient may then use the link to access the sensitive information via a password-protected Web site.

The present application belongs to the technical field of information security, and particularly relates to a method and system for detecting confidential information based on public information. The method comprises the following steps: S1, constructing a public information knowledge base; S2, constructing a personnel public knowledge base; S3, obtaining and preprocessing the information to be detected; S4, constructing an information category classifier; S5, classifying the information categories; S6, constructing an information confidential judgment device; and S7, judging the information confidentiality. The present application has the characteristics of being able to judge the domain confidential information and effectively judging whether the confidential information has been disclosed.

This invention discloses a knowledge-base-based text geographic information security inspection method and system. First, using a geographic information inspection knowledge base, a set of files to be inspected for geographic information confidentiality is retrieved, along with the text containing the keywords within the files. Next, a text pair is generated using a deep word-integrated attention text matching model (CW-DATM), including the text to be inspected and a confidentiality determination rule. Finally, the CW-DATM is used to detect the security of the text. This invention introduces a geographic information inspection knowledge base, combines multi-granularity semantic features within the text, and interactive semantic features between texts, improving the accuracy of semantic matching performed by the model.

The invention provides a distributed identity authentication method based on a block chain, and belongs to the technical field of identity authentication. According to the method, through the design of the session pseudonyms, each session pseudonym is associated with a unique user only in one session, and the fixed association risk of attribute information is completely eradicated. Besides, the session pseudonym is disposable and has high timeliness, and compared with attribute data statically existing in a certificate, the session pseudonym does not contain any traceable or interpretable information, so that comprehensive isolation of user privacy is realized, and full-dimensional privacy protection is realized. Meanwhile, the method is combined with zero-knowledge proof, only the user needs to be proved to have legal identity permission in the verification process, and the identity and sensitive information of the user do not need to be specifically known, so that the identity legality verification requirement in a cross-domain identity authentication scene is met, the risk of indirectly leaking attributes by using a certificate is avoided, and the user experience is improved. The dual purposes of effective verification and information confidentiality are achieved.

This invention discloses a network isolation device based on backward hash chain source authentication, belonging to the field of network information security. Based on the existing three-host architecture, this invention adds a source authentication module to the application layer of the isolation authentication unit. This module digitally signs and verifies only the MAC value of the first packet to achieve source authentication and non-repudiation. Based on the backward hash chain data structure and technology, it sequentially sends the encrypted business data of the i-th packet and the MAC value of the (i+1)-th packet, comparing the received MAC value of the i-th packet with the calculated MAC value of the i-th packet. By integrating digital signatures and message authentication codes, it achieves protection of information confidentiality and integrity, as well as source non-repudiation and non-repudiation authentication. It has low computational overhead and low space occupancy, effectively improving the security strength of network boundaries.

The invention relates to the technical field of satellite mobile communication, and discloses a low-delay satellite edge computing service selection method for security sensitive services, which comprises the following steps of: determining eavesdropping capacity of each service satellite according to spatial distribution information of an eavesdropping satellite and each service satellite; calculating the utility of each service satellite according to the current connection information, the secrecy capacity and the constructed utility function; determining the average effectiveness of the system according to the effectiveness of the target service satellite and the proportion of the number of the Internet of Things devices connected with the target service satellite to the total number of the Internet of Things devices; and reselecting the service satellites according to the actual utility and the average utility. By quantifying the eavesdropping risk and constructing the secrecy capacity as the security index, the utility of the service satellite connected with the current Internet of Things equipment is calculated, and the service satellite accessed by the Internet of Things equipment is dynamically selected in combination with the utility, so that each Internet of Things equipment in the system obtains the optimal service satellite selection. And the risk of data eavesdropping and the queuing waiting time delay of the computing service are effectively reduced.

The invention provides an information flow security policy automatic synthesis method and system for a smart contract, which are used for ensuring that the smart contract meets information flow security in two dimensions of information confidentiality and information integrity, and the method comprises the following steps: S1, a user carries out security level labeling on smart contract information according to own demands; s2, judging whether the annotation of the user is complete and correct or not, and performing complementation and error correction on the annotation of the user; s3, compiling the smart contract to generate an abstract syntax tree, and extracting an intermediate language from the abstract syntax tree; s4, performing type derivation on the intermediate language by adopting a preset type derivation rule; s5, converting the intelligent contract statement into an SMT constraint during type derivation; s6, judging whether the smart contract has vulnerabilities violating information flow security or not, and outputting a vulnerability report; s7, solving the SMT constraint by adopting a constraint solving method, and generating a security strategy meeting the information flow security; and S8, converting the security policy into a code specification statement, and injecting the code specification statement into the contract to guarantee security.

The invention provides an advanced information encryption method based on time dependence and wavelength selection of visible light response, which comprises the following steps of: cutting different CdS / dye / agarose photochromic films into small rods on a common glass or flexible transparent substrate, and pasting according to a pre-designed digital password template to realize information encryption. In the time-dependent information encryption, based on different oxidation kinetics of methylene blue (MB) and methylene green (MG), the time-dependent information encryption is realized by utilizing the color change difference of the methylene blue (MB) and the methylene green (MG) in the air along with time. In wavelength selective information encryption, the MB and the PPS are mixed, and wavelength selective information encryption is realized through different response capabilities of the MB and the PS to light with different wavelengths. According to the information encryption method, the visible light is utilized to drive the photochromic film to prepare the information encryption method, time-dependent and wavelength-selective advanced polymorphic information encryption is realized, the information security can be greatly enhanced, and the method has wide application in the fields of information secrecy, information storage, anti-counterfeiting marks and the like.

The invention discloses an intelligent seat control method and device and electronic device.The method comprises the steps that in response to the fact that it is detected that a target predetermined conference meets a conference starting condition, the conference place and confidentiality information of the target predetermined conference are obtained, and the confidentiality information is used for indicating whether the conference content of the target predetermined conference needs to be kept confidential or not; generating a first seat control instruction based on the confidential information; and the first seat control instruction is sent to the intelligent seat associated with the conference place, so that the control efficiency of the intelligent seat is improved.

The invention discloses a boiler industry intelligent production information confidential transmission method. The method comprises the steps that a server sends a sequence generation formula indicator to an information terminal; the information terminal forwards the sequence generation formula indicator to the first data security terminal through the local area network; after the first data security terminal receives the sequence generation formula indicator, the first data security terminal sends a sequence generation formula to the information terminal; sending, by the server, a sequence adjustment mode indicator to the information terminal; the information terminal forwards the sequence adjustment mode indicator to the second data security terminal through the local area network; and after the second data security terminal receives the sequence adjustment mode indicator, the second data security terminal sends the sequence adjustment mode to the information terminal. According to the method provided by the invention, the security of information transmission is improved.