32results about How to "Protect personal privacy information" patented technology

The invention discloses a flexible asymmetric group key negotiation method. The method comprises the steps of carrying out parameter initialization by members participating in group key negotiation, thereby generating public/private key pairs; blinding group contribution key shares through the public/private key pairs, and broadcasting group key shares; after the rest members receive corresponding broadcasting key shares, carrying out combination calculation, thereby obtaining group keys; and verifying whether calculated group keys are correct or not by the group members, encrypting communication information through the group keys if the calculated group keys are correct, and exchanging group security information. According to the method, members in or out of a group can select any one subset object in the group for secret information exchange; an object not selected by an information sender cannot decrypt the shared information; the group members can negotiate an encryption key and a decryption key which are consistent; the group members can verify the correctness of the keys; anonymity of the members participating in group key negotiation can be realized; and the personal private information of the group members can be protected.

The invention discloses a method and a device for protecting and displaying privacy information. The method comprises the steps of: determining to-be-protected privacy information; saving the privacy information in a hiding manner and generating and displaying encrypted replaced information in a save path of the privacy information, and establishing a corresponding relationship between the encrypted replaced information and the privacy information. Through the technical scheme, the problem of privacy information leakage due to that the conventional encryption protection method may generate and display an encryption mark on the privacy information to guide a non-user is solved. The privacy information is displayed as non-privacy normal information by generating and displaying the encrypted replaced information in the save path of the privacy information, the guide function of the conventional encryption mark for a non-user is removed, the user per se is helped to save the privacy information on the terminal in the hiding manner, random encryption and recovery functions are achieved, and personal privacy information of the user per se is protected at any time.

The invention relates to the technical field of block chain, intelligent contract and user investigation, in particular to an investigation method and system based on block chain. The invention discloses a research method based on block chain, which utilizes block chain and intelligent contract technology, realizes the decentralized data and reward exchange process, realizes double blindness between the researcher and the investigated, ensures the credibility of the research data, and protects the personal privacy of the user. The invention also provides a research system based on a block chain, comprising a client, a research system, an intelligent contract and a distributed general ledger.

The invention discloses a block chain-based investigation payment platform. The platform comprises an investigation module, a user side module and a payment module, wherein the investigation module isused for storing investigation contents published by different investigation publishers and payment information corresponding to the different investigation contents; the investigation contents and the corresponding payment information are written into a block chain in an intelligent contract form; the user side module is connected with the block chain and is used for receiving data transmitted by the investigation module; the payment module is connected with the block chain and is used for generating payment costs according to the search contents and the corresponding payment information after users complete operations of the user side module, and transmitting the payment costs and corresponding virtual currencies to block chain accounts of the users through the block chain so as to complete the payment of investigation rewards; and the investigation module, the user side module and the payment module are connected through the block chain. According to the investigation payment platform provided by the invention, when the investigation participators obtain reliable investigation rewards, personal account information of the investigation participators are not leaked, so that the confidence, for participating investigation behaviors, of the investigation participators is strengthened.

The invention provides a system and method for adjusting vehicle disposition on the basis of driving habits. The method for adjusting vehicle disposition on the basis the driving habits comprises the following steps that (A), driving habit information of at least one user is obtained; and (B), according to the driving habit information of the users, disposition information of at least one vehicle is adjusted. The disposition information of the vehicles can be adjusted through obtaining of the driving habit information of at least one user and on the basis of the driving habit information of the users, and therefore driving environments conforming to the driving habits of the users are provided for the users.

The invention discloses a big data recommendation method and system with the privacy protection function. The method includes the following steps that behavior data of users are acquired and are subjected to anonymization processing on a big data processing end; the attributes of the behavior data, subjected to anonymization processing, of the users are subjected to statistics, a statistical attribute behavior list is established, each attribute of the list represents one piece of personal information of each user, and the statistical result of each attribute is converted into an enumeration value; similar user behaviors are searched for, the similarity of every two user behaviors is calculated according to the enumeration values of data of the two user behaviors, a similarity value and a corresponding threshold are compared, and recommendation information is generated according to a comparison result. The big data recommendation method and system can protect the privacy of the users, encryption is not needed, use is convenient and fast, the calculation amount is small, and implementation is easy.

The invention relates to an intelligent logistics delivery method and system. A logistics delivery server manages information of a sender and a recipient, so that logistics and express ordering and information transmission and communication between the sender and the recipient become very convenient, fast and safe, the personal privacy information of the sender and the recipient is protected to a great extent, and the accuracy, reality and non-repudiation of signing for express delivery are also ensured. The logistics delivery server asks for delivered information from the recipient and issues a link according to the information through WeChat messages, qq messages or text messages, the sender then transmits the express delivery notification information and the link to the recipient, the recipient opens the link after receiving the express delivery notification information and the link and selects a consignee address of the recipient according to the prompt, in this way, the sender does not need to obtain the recipient information from messages replied by the recipient in an existing traditional mode and to input the information in a related ordering system any more, and the process is very simple, convenient and more user-friendly.

The invention relates to an application method and device for an input method. The application method includes the following steps that a terminal acquires preset sensitive words; input characters are received; words matched with the input characters are displayed through a candidate entry applied to the input method, wherein the candidate entry applied to the input method does not contain words matched with the sensitive words. By means of the application method and device for the input method, personal privacy information of a user can be effectively protected; besides, the associating and recommending function still can be achieved, and input efficiency can be guaranteed.

The invention discloses an unlocking mode switching system and method, and the unlocking mode switching system is installed and operates in a mobile terminal. The mobile terminal comprises a positioning device and a storage device; the positioning device is used for positioning the geographic position of the mobile terminal; the storage device stores a plurality of preset geographic positions ranges in advance and the corresponding relations of a plurality of unlocking modes. The unlocking mode switching system comprises an obtaining module which is used for obtaining the geographic position information positioned by the positioning device, and a control module which is used for searching the corresponding unlocking mode from the correspondence relation which is stored in the storage device according to the geographic range where obtained geographic position falls into and switching the current unlocking mode of the mobile terminal to the corresponding unlocking mode. The unlocking mode switching system and method can automatically switch the unlocking mode according to the geographic position where the mobile terminal is positioned and provides convenience to usage while protecting the user personal privacy.

The invention discloses an intelligent network connection technology-based vehicle, people, road and object interaction system and a use method. The system comprises a plurality of vehicle platforms and a plurality of vehicles; the system further comprises platform terminals and vehicle-mounted modules; the platform terminals are connected with the vehicle-mounted modules through a V2X/DSRC/LTE-V/LTE-A communication mode; the platform terminals are used for initiating vehicle positioning and vehicle demand requesting information, and transmitting the information to the vehicle-mounted modules;a plurality of platform terminals are provided and are respectively arranged on the vehicle platforms; a plurality of vehicle-mounted modules are provided and are respectively arranged on the vehicles and are in signal connection with the platform terminals and other vehicle-mounted modules; and the vehicle-mounted modules are used for receiving information sent by the platform terminals and theother vehicle-mounted modules. With the intelligent network connection technology-based vehicle, people, road and object interaction system and the use method of the invention adopted, the service ofa cloud server is not required, the interconnection of all things can be realized, cost for building the cloud server can be omitted, and the independence of data and the protection of privacy are ensured.

The embodiment of the invention discloses a privacy protecting method and a mobile terminal. The privacy protecting method comprises the steps: receiving an instruction for entering application software by virtue of a designated user name by a mobile terminal; when identity authentication information of the designated user name is stored in the application software, obtaining a characteristic identity of a pre-stored unique identity authenticated intelligent card, wherein the authentication intelligent card is an intelligent card which is used when the identity authentication of the designated user name passes for the first time; obtaining a characteristic identity which uniquely identifies the current intelligent card from the current intelligent card in the mobile terminal; matching the authenticated intelligent card and the characteristic identity of the current intelligent card, wherein if the matching is successful, the identity authentication passes, entering the application software by virtue of the designated user name is permitted. According to the method, under the condition that the usability and experiences of a user are not lowered, the personnel privacy information stored in the mobile terminal can be effectively protected.

The invention provides an intelligent application start method and apparatus. The method comprises the following steps: acquiring an operation instruction of a user to the application; initiating a pattern matching to the operation instruction; starting the application according to an implicit start mode if the operation instruction matches the implicit start mode of the pre-set application, and starting the application according to a normal start mode if the operation instruction does not match the implicit start mode of the pre-set application. The intelligent application start method protects the privacy information of the user through the scheme, and effectively prevents the disclosure of the user's privacy information.

The invention provides a goods monitoring method and system. The system comprises a private goods server side and at least one private goods terminal. The server side is carried by a goods owner, and the server side comprises a goods owner identity information confirmation module and a wireless transceiver module with the adjustable transmitting efficiency. Each terminal is in physical connection with private goods and is provided with a wireless transceiver module, each terminal is subject to the only server side, the server side sends a connection request instruction to the terminal subject to the server side, the terminal sends a response as soon as receiving the instruction, the server side stores the response time of the terminal, if no response is obtained when the time difference between the last response time and the current response time exceeds the preset time, it is determined that the server side loses contact with the terminal, and a prompt message indicating that the terminal cannot be found is sent to the owner. According to the goods monitoring method and system, the safety of the personal private goods can be improved, the probability that the goods are lost or stolen is reduced, and personal privacy information in electronic equipment can be more effectively protected at the same time.

The embodiment of the invention provides an encryption model training method and device, an image encryption method and device and an encrypted face image recognition method and device. The encryption model training method comprises the steps: encrypting an original face image through a to-be-trained encryption model, and obtaining an encrypted face image; inputting the encrypted face image into a to-be-trained first face recognition model to obtain a first face prediction result; determining a first prediction loss by using the first face prediction result and a face labeling result corresponding to the original face image; inputting the original face image and the encrypted face image into a trained second face recognition model to obtain a first output result and a second output result corresponding to the original face image and the encrypted face image; determining a second prediction loss based on the first output result and the second output result; determining a total predicted loss based on a positive correlation with the first predicted loss and the second predicted loss; and training an encryption model and a first face recognition model by taking minimization of the total prediction loss as a target.

The invention discloses a bridge type contact power supply lens shielding element and electronic equipment, and the bridge type contact power supply lens shielding element is arranged on a PCB of the electronic equipment and covers a camera of the electronic equipment. The bridge type contact power supply lens shielding element comprises a mounting base, a light shielding sheet, a driving assembly, a metal reinforcing plate and a contact conductive copper sheet, the driving assembly comprises a swing arm rotationally connected with the mounting base, the swing arm is connected with the light shielding sheet, and the swing arm rotates to drive the light shielding sheet to reciprocate between a first position and a second position; when the anti-dazzling screen is located at the first position, the anti-dazzling screen covers the side, away from the camera, of the view-finding hole, and when the anti-dazzling screen is located at the second position, the camera is exposed out of the view-finding hole. According to the invention, the anti-dazzling screen can move to the first position to shield the view-finding hole, so that a picture cannot be obtained even if the camera is turned on. Therefore, the camera is prevented from shooting or peeping the surrounding environment and even recording videos, and the personal privacy information and safety of the user are protected.

The invention discloses a channel risk control system based on a video backtracking mode. The channel risk control system comprises a monitoring camera, a human-certificate all-in-one machine, a field edge server and a cloud server. The monitoring camera is used for recording a field monitoring video and transmitting a field monitoring video stream to the field edge server; the human-certificate all-in-one machine is used for carrying out identity authentication on the face information of the client and transmitting the authorized face of the client to the cloud server after the identity authentication is passed; the cloud server is used for managing algorithm configuration and risk judgment management, assembling a matching task according to customer face information, and issuing the matching task to the field edge server; and the field edge server is used for carrying out dynamic line analysis on a video stream transmitted by the monitoring camera, storing necessary videos, and carrying out video backtracking and authorized face matching on the captured videos according to a matching task issued by the cloud server. According to the system, the privacy security is compatible, and channel risk early warning is completed.