224 results about "Information privacy" patented technology

The present invention provides methods for using abstractions of people, including dynamic and static groups of people, to enhance the efficiency of the specification and automation of policies for sharing information between users with a “need-to-know.” An instance of the present invention can also provide these users information based on a “time-to-know.” By providing access to information based on group affiliation and properties of the content of the information, the present invention maintains optimal information privacy while minimizing encumbrances to sharing data with appropriate users and even at appropriate times. The present invention can be integrated with other communication technologies to facilitate access to information in a time appropriate manner. Other instances of the present invention employ automated and semi-automated, mixed-initiative techniques, to make information-sharing decisions. Additional instances of the present invention include the employment of machine-learning techniques to facilitate construction of access policies from the actions or profile of a single user or a community of users, including the construction of automated sharing agents that work in an automated or mixed-initiative manner to respond to real-time requests for information.

The invention discloses a two-dimensional barcode-based logistics industry personal information privacy protection system. The system comprises a key distribution and management system, a database, a first PC (Personal Computer) side logistic management system, a first two-dimensional barcode generation and reading module, a first two-dimensional barcode reading module, a first mobile phone delivery terminal, a first mobile phone number hiding module, a third PC side logistic management system, a third two-dimensional barcode generation and reading module, a third two-dimensional barcode reading module, a third mobile phone delivery terminal and a third mobile phone number hiding module, wherein the first PC side logistic management system is positioned at a letter sending site; and the third PC side logistic management system is positioned at a receiving site. According to the two-dimensional barcode-based logistic personal information privacy protection scheme design, the two-dimensional barcode technology and an encryption technology are applied to the logistics industry to try to solve the problem of personal information leakage. The functions such as two-dimensional barcode generation and reading, sensitive information encryption protection, and key distribution and management are realized, and the problem of privacy information leakage is solved better.

An apparatus for information privacy assurance includes a data processing engine to restrict access to data received from a plurality of data sources and to a predefined data relationship query. The data processing engine includes a data input component restricted to receive the data from the plurality of data sources, a data relationship component configured to generate data relationships associated with the data, a query input component restricted to receive the predefined data relationship query associated with the data relationships, a query execution component configured to execute the predefined data relationship query, and a data output component restricted to render a result including information associated with an execution of the predefined data relationship query.

The invention belongs to the field of communication and provides an information privacy method and an electronic terminal. The information privacy method includes the following steps. Biological characteristics of a current user are collected. The biological characteristics of the current user are compared with at least one user biological characteristic stored in a biological characteristic base. The user biological characteristic is correlated with operation authority of information privacy. According to a comparison result, information that the current user is not supposed to know is automatically hidden. The biological characteristics of the current user are collected and compared with the stored biological characteristics. Based on the comparison result, the information that the current user is not supposed to know is automatically hidden. Thus, automatic identification can be performed without tedious log-in and code entering. Private information can be automatically hidden and a privacy manner is invisible and not easily observed by people.

The invention relates to a blockchain-based smart city information safety using method and system. The blockchain-based smart city information safety using method according to the present invention includes the following steps: receiving a request for executing a smart contract from a user; searching for a data directory on a blockchain according to the smart contract request and obtaining a requested data address; obtain encrypted data from the requested data address, decrypting the encrypted data, encrypting the decrypted data with the secret key of a corresponding sandbox, and then sendingthe data to the corresponding sandbox; performing an smart contract operation by using the decrypted data, performing consensus calculation on an operation result and the operation results of other blockchain node sandboxes; after the consensus calculation is passed, sending a result to the user who issues the request for executing the smart contract. The blockchain-based smart city information safety using method realizes effective information sharing and sensitive information privacy protection among multiple physical organization in a smart city.

The invention discloses a window message privacy protection device and a method for on-line help, which belong to the privacy protection of computer field. The main use of the invention is to help the privacy protection of a person who asks for help in a system on line. The invention has the advantages that a person who asks for help can do privacy protection to the window message of an application program on a device of a person who asks for help. A plurality of windows can be manually selected or automatically arranged according to a protection rule system to protect privacy, wherein the windows can be integral application program windows, or one sub window of an application program, screen information which can be seen by a person who asks for help and a helper is symmetrical or is not symmetrical (namely a person who asks for help can select whether itself can see the privacy information which can not be seen or not), when in on-line help, a person who asks for help can operate the contents in a protected zone, and the information can not be transmitted to a helper device, and the person who asks for help can monitor screen images which can be seen by a helper.

The invention relates to an Internet of Vehicles node data security communication method based on a block chain, and the method comprises the steps: dividing a whole network into honeycomb regions with the same size, designing an Internet of Vehicles alliance chain and an inter-region public chain in units of regions, guaranteeing the data traceability, and improving the data consensus efficiency;in the vehicle data communication process, mutual trust between nodes is guaranteed through vehicle identity authentication, data is divided into common data and emergency data according to differenturgency of the data, the common data are communicated in areas, the emergency data is communicated among multiple areas, different data classifications adopt different block structures, and the dataconsensus efficiency is improved; and meanwhile, the motion condition of the Internet of Vehicles node is also considered, and an improved practical Byzantine fault-tolerant consensus method is adopted to realize data security communication of the Internet of Vehicles node, so that the data security risk caused by centralized data storage can be resisted. The consensus speed is high, data securityand information privacy can be protected, the data storage space is reduced, and the communication efficiency is high.

The invention relates to an embedded upgrading file transmission method. The embedded upgrading file transmission method includes steps of 1) generating upgrading file information and encryption keys by an upgrading server and transmitting decryption keys to a third-part network management server; 2) connecting the third-part network management server with an upgrading client side, and transmitting client-side upgrading file information, upgrading server address and the decryption keys to the upgrading client side; 3) transmitting upgrading request to the upgrading server through the upgrading client side, and connecting the upgrading client side with the upgrading server according to the upgrading server address, acquiring differential files on the upgrading server according to the client side upgrading file information, decrypting to acquire verifying values according to the decryption keys, and transmitting the files to complete upgrading after verifying is succeeded. The embedded upgrading file transmission method overcomes the defect that an existing embedded upgrading file transmission is low in safety and easy to be attacked and lacks of prevention of file information disclosure and the like and has the advantages of high transmission efficiency and transmission safety coefficient, information privacy and complete identity authentication mechanism and the like.

The invention discloses a communication entity identification and authentication method based on a combined public key, and relates to the information security authentication technology between communication entities in the field of communication. The invention adopts the identification and authentication technology based on the combined public key to realize authentication of the communication entities; the invention adopts an AES algorithm to encipher and decipher information data, so as to realize information privacy; and the invention adopts the Ethernet encapsulation and IP encapsulation technology to realize transparent access of an authentication device. The communication entity identification and authentication method has the characteristics of standard interface/protocol, simple access, unnecessary change of the prior communication entities, convenient use and so on, and is particularly suitable for authenticating communication terminals and communication equipment under the condition that the communication entities are not changed.

The invention provides an automatic screening and propelling method and system with a high matching degree for managing a user and confidential information. The method comprises the following steps: a step A: self-defining and screening out a target option to be screened according to a screening model of the target option; a step B, establishing a first scoring mechanism of the screening model for scoring the target option to be screened; a step C: capturing the information associated with the target option from a first database according to the scored result, and showing the scored information from high to low in sequence according to the scores; and a step D: propelling the user information to the selected target option according to the self-defined propelling mechanism. According to the automatic screening and propelling method and system provided by the invention, the conational screening tool is improved; the user-defining and quantifying function is additionally added; self-defining treatment to a plurality of objects on the basis of protecting information privacy is carried out; and all operation processes and data are stored in the central database of the system. The automatic screening and propelling method and system are suitable for high-precision matching of market development, company merger and acquisition, investment banking and commercial procurement, and even a plurality of fields such as personal employment and education, marriage dating and the like.

The embodiment of the invention discloses a method for calculating a service path, which comprises the following steps: a source path computation element (PCE) corresponding to a service source node sends path request messages to adjacent PCEs after receiving path request messages; each PCE receiving the path request messages judges whether the service destination node belongs to an autonomous system or not; or else, after the individual PCE information is sequentially added to the path request messages, the path request messages are continuously sent to the next or a plurality of adjacent PCEs until the destination PCE is determined; the destination PCE acquires a PCE sequence according to the individual PCE information and the received path request messages, and then, a response message carrying the PCE sequence is sent to the opposite direction according to the PCE sequence until the source PCE receives the response message; and then, the service path is calculated according to the PCE sequence. The embodiment of the invention also discloses a device and a system for achieving calculation of the service path. The effects of information privacy and optimal utilization of network resources are achieved by using the method, the device and the system.

In accordance with a particular embodiment of the present invention, a method for providing privacy protection to network users includes receiving a subscription request from a first end user. The subscription request identifies a second end user for whom the first end user would like to become a registered presence watcher. A cost to be assessed to become the registered presence watcher of the second end user is determined, and the first user is registered as the registered presence watcher of the second end user.

The invention provides a computer information privacy detection method based on a network. The computer information privacy detection method based on the network comprises the following steps. A network server terminal is linked with a computer client terminal. A network server terminal detection strategy is set up. A computer client detection strategy is confirmed. Dynamics of papers are monitored in real time with alarm. Modes of positive detection and passive detection are combined, all detection results are uniformly collected and analyzed and the computer client terminal is prompted to deal correspondingly. A white list which contains sensitive word information set by the computer client terminal is utilized to improve accuracy and search efficiency of privacy detection. Through unified setting and issuing of a privacy detection strategy of the network server terminal, real time monitoring and alarming of dynamics of the papers of the computer client terminal, automatic checking and an early warning mechanism are achieved. The working staff are more aware of secrecy and prevention by a technical method and leakage risks of an enterprise are avoided.

The embodiment of the invention discloses an Internet of Things equipment authentication method based on a block chain. The method comprises the following specific steps: establishing a hybrid model of fog computing, a cloud server and the block chain for performing data processing on heterogeneous data generated by Internet of Things equipment connected to the Internet of Things; processing heterogeneous data generated by the Internet of Things equipment through fog calculation to form authentication data; sending a data entity of the authentication data to the cloud server through fog computing for data storage, sending an index and a Hash value of the authentication data to a blockchain for uplink, then carrying out whole-network publishing on the Internet of Things, and meanwhile, enabling the Internet of Things equipment to record a public and private key pair for identifying the identity of the Internet of Things equipment on a chain of the blockchain; enabling other Internet ofThings devices connected to the Internet of Things to perform signature verification on the Internet of Things device providing the public and private key pair in the blockchain to obtain the ownership of access and use of data, thereby realizing cooperation among multiple manufacturers and interconnection and intercommunication under the condition of device information privacy protection.

The invention belongs to the field of information privacy protection issuing safety, and relates to a privacy protection reissuing method for multiple sensitive attribute data. The privacy protection reissuing method includes the steps of dividing reissued data into retention data and refresh data and processing the retained data and the refreshed data and respectively processing the retained data and the refreshed data on the basis of defining privacy protection diversity parameters, sensitive attribute safety change sets and record safety change sets, issuing the retained data through an L-Inclusive model, and issuing the rest of refresh data through an L-Coverage model. According to the privacy protection reissuing method, relevance among the multiple sensitive attributes, relevance among different values of each sensitive attribute and relevance among multiple times of issuing of data are taken into full consideration, privacy attack can be effectively restrained, and the function of privacy protection issuing is achieved.