99 results about "Data disclosure" patented technology

An auditing framework for determining whether a database disclosure of information adhered to its data disclosure policies. Users formulate audit expressions to specify the (sensitive) data subject to disclosure review. An audit component accepts audit expressions and returns all queries (deemed “suspicious”) that accessed the specified data during their execution.

An original signature can be verified even if a signed image data is properly altered in its portion. The digital image data is divided into a plurality of configurational elements, and each of the feature values of the elements are calculated, so that the signature is created by combining the feature values. In case the configurational elements are to be deleted, they are substituted by substitutive data, and only the feature values are stored. The verification is created by using the stored feature values as the substituted elements and by using the calculated feature values as the remaining elements, so that the signature is verified with the signature attached to the digital image data.

A method for presenting data, the method including presenting via a first computer output device an indicator indicating a data item whose value is prevented, in accordance with predefined access control criteria, from being presented via the first computer output device, receiving from a requestor a request to present the data item value, maintaining a record of an identity of the requestor together with a description of the requested data item, and presenting via a second computer output device the data item value.

The invention belongs to a cryptographic protocol, and in particular relates to a method for authentication for resisting secrete data disclosure and key exchange based on passwords. The method is superior to correlative American or international current standard in the aspects of user password protection, secrete data disclosure resistance, better user privacy protection, better online efficiency calculation, less communication bandwidth and higher security. The method for the authentication and the key exchange comprises sub-methods of an innovative method for public key encryption and signcryption based on passwords, a method for knowledge binding certification, a method for resisting temporary secrete data disclosure, a method for awarding a public key certificate. The method has the advantages of good systematicness, adaptability and compatibility.

The invention provides a customer privacy data management method based on a financial block chain. The method comprises the following steps: step S1, constructing a customer privacy data classification management framework based on the financial block chain, and classifying and managing the customer privacy data by using the constructed customer privacy data classification management framework; step S2, establishing the condition attribute and the decision attribute of the customer privacy data disclosure strategy, so as to realize the customer-policy model by using the collaborative filtering algorithm; at the same time, using the related algorithm to link up and down the customer data in the financial block chain. The invention has the advantages that different dimensions of customer privacy data can be classified and managed, and the data tracing characteristics of the block chain can be combined, so that the customer and the supervision department can quickly query and monitor thecustomer privacy data.

A user policy definition of a user policy is received. The user policy definition indicates a user is receptive to receiving an offer and a user-controlled criterion for disclosure of user information. Further, persistent metadata that includes the user policy is generated. A compliance engine sends the user information with the persistent metadata to an offer provider. Further, offer data for a user is received from an offer provider. The offer data indicates a description of content in the offer and an offer criterion indicating a targeting characteristic. In addition, the compliance engine validates that the offer criterion complies with the user-controlled criterion. The offer is sent to the user upon determining that the offer criterion complies with the user-controlled criterion.

A portal site for serving data monitored and observed, which can not only act for monitoring and observing services, instead of a facility owner, but also process the data into economically valuable data with the use of the result of monitoring and observation, is connected to a computer network so as to gather sequential data which is observed in time series by a not less than one sensor as to an operation running condition of a facility belonging the facility owner, and event data monitored invariantly, and incorporates a function of obtaining a data disclosure profile for designating a degree of disclosure of the data, from the facility owner, and a function of onerously serving an item of secondary data obtained by processing the data in a range satisfying the data disclosure profile, to a data user different from the facility owner.

A computer-implemented method for securely retrieving data on a client device in a distributed environment is disclosed. The method comprises retrieving a key encryption key from a local storage, retrieving an encrypted private key associated with the key encryption key from the distributed environment, the encrypted private key being remotely stored in the distributed environment, decrypting the encrypted private key using the key encryption key, thereby generating a private key, retrieving encrypted data from the distributed environment, the encrypted data being remotely stored in the distributed environment, and decrypting the encrypted data using the private key. A respective client device, a method for securely providing data in the distributed environment, and a distributed environment are disclosed.

The invention discloses an engineering monitoring data management system based on a block chain and a working method thereof. The engineering monitoring data management system comprises a block chainnetwork and at least one block chain node distributed in the block chain network, wherein each block chain node is provided with one or more combinations of an identity authentication module, a data uploading module, a data consensus module, a data analysis module, a data storage module and a data disclosure module. According to the method, uploaded monitoring data are encrypted, identity certificates are added, and traceability of the monitoring data is achieved; the authenticity of the data is verified before the monitoring data is analyzed, so that the reliability of a data alarm state is improved; and the data alarm state is stored in a block chain to realize real-time update of the alarm state of the monitoring data and tracing of state change information.

The invention discloses a method for detecting a transaction data source under a multi-chain scenario of a super account book. The specific steps are as follows: allowing a client end to construct a transaction proposal to endorse to an endorsing node; simulating a transaction, returning an endorsement response, and a header hash; constructing a transaction request Envelope and sorting the requests; verifying client and endorsement node signatures; verifying the hash value of the transaction header and the corresponding field; continuing to execute the original sorting operation and generate blocks; The invention realizes the detection that the malicious client intentionally discloses the sensitive information due to the inadequate verification of the channel at the exchange, avoids the sensitive data disclosure problem caused by the distribution error of the transaction channel due to the lack of verification of the sorting service, and thus ensures the safety of the transaction dataunder the multi-chain scenario.

The invention provides a system and method for achieving data privacy and digital identity through a block chain, and the system comprises: a digital identity generation and management module which carries out the identity generation in a cryptography mode under the chain, and carries out the storage and management of the digital identity on the chain; a certificate module which is used for certificate issuing registration and management and certificate application and management; and an identity data aggregation storage module which is used for carrying out plaintext encryption and authorizedaccess. Various actual attributes are given to a user in the form of a digital certificate through the certificate module, and the user stores the obtained certificate in the identity data aggregation storage module in the form of ciphertext for subsequent actual application. According to the invention, the personal identity is mapped in the blockchain through the DID, various attributes are given to the identity in a certificate authentication mode, and meanwhile, the security during data disclosure is ensured by means of proxy re-encryption.

The invention discloses a bidding and tendering data processing system and method based on a block chain. An application layer, a transaction layer and an underlying platform are sequentially arranged from top to bottom; the application layer is used for establishing transparent bid evaluation, anti-counterfeiting verification, establishment of visual management of public trust and data storage, and storage of any processing information in a bid inviting process data processing process; the transaction layer is used for independently evaluating bids by expert judges after a bidder submits a bidding file in the system, and automatically triggering a contract and automatically executing the contract based on an intelligent contract; the bottom layer platform is used for establishing a network protocol, a security mechanism, a smart contract and consensus management in a block chain network; the system has the beneficial effects that the block chain is combined with bidding and tendering services, data disclosure and transparency are realized, and the security performance of data information is improved; the characteristics of decentralization, high transparency, non-tampering, safety, credibility and the like of bidding and tendering service processing data are realized.

The invention discloses an automatic starting and closing device and method. The device has a microprocessing unit to receive materials inputted by an input module and a key module, then the materials are processed in a menu selection flow in the imicroprocessing unit where automatic starting and closing conditions are arranged, next, a control signal is transferred to a power control unit which controls prearranged connection mainframe, enables the mainframe starts or closes according to menu schedule in the starting and closing device at the scheduled time. The automatic stating and closing device and method can not only restrict mainframe using time by the user, but also prevent the mainframe from data disclosure.

The invention relates to an electrical stimulation terminal-based data management system and method. The system comprises a user information module, a terminal information module, a prescription data module, a prescription matching terminal module, a prescription sending module, a prescription release module and a prescription usage record module, wherein the user information module, the prescription data module and the terminal information module are all associated with the prescription matching terminal module to realize functions of a prescription matching terminal. The data management platform can effectively manage user information, prescription data information and electrical stimulation terminal information; the prescription release is subjected to data verification and clinical authentication, so that the prescription editing copyright and the prescription security are protected; and personal prescription data is opened and shared, and treatment information forms historical records for users to query.

The invention discloses an AR, VR or MR data accessing method and system. The method comprises the steps that a personal storage device is bound and connected with an AR device, a VR device and an MRdevice; then the storage device stores data of the AR device and the MR device or the AR device, the VR device and the MR device read AR data, VR data and MR data from the storage device, wherein a private cloud platform runs in each of the storage device, the AR device, the VR device, and the MR device. According to the method, the personal storage device is bound and connected with the AR device, the VR device and the MR device, then the storage device accesses the AR data, the VR data and the MR data. Compared with public cloud storage, the stored data is privatized, so that the data is much safer, the data disclosure risk is prevented, and the cost is very low.

The invention provides an intelligent terminal privacy data protection method and system based on an Android system. The intelligent terminal privacy data protection method comprises the following steps that step S1, markers are added for intelligent terminal privacy data in the Android system, and added markers are stored; step S2, when application programs of the Android system are executed, the markers of the intelligent terminal privacy data are spread; step S3, after the application programs process the intelligent terminal privacy data, the intelligent terminal privacy data is detected at a meeting point receiving the data so as to prompt a user of intelligent terminal privacy data disclosure behaviors. The intelligent terminal privacy data protection method and the system based on the Android system do not need a real-time monitoring instruction, namely can efficiently track and protect intelligent terminal privacy data and accordingly ensure the safety of the intelligent terminal privacy data, and user experience is high.