20152results about How to "Integrity guaranteed" patented technology

The invention discloses a method for constructing a financial asset trading system based on an alliance chain. With an alliance chain as a technical support, a novel financial asset digital unique certificate is provided based on the existing laws and regulations. The system uses a distributed technology architecture. All participants jointly maintain the ledger of financial asset trading. It is ensured that the trading of financial assets is open, transparent, real and credible. The credit risk of trading is reduced. The cross-platform and cross-region flow of financial assets is promoted. Tedious manual account checking work between platforms is omitted. In addition, the block chain technology is applied to the field of financial asset trading for the first time. A unified and standardized financial asset trading platform is established. Digital management of financial assets is realized. The credit risk of trading can be prevented effectively. The efficiency of trading and supervising is improved. The trading cost is reduced.

The invention relates to a method for implementing a safe storage system in a cloud storage environment and belongs to the technical field of storage safety. The method is characterized in that a trust domain is established in a server according to the requirements of a user; in the trust domain, identity authentication is performed by using an public key infrastructure (PKI); the independence between the storage system and a bottom layer system is realized by utilizing a filesystem in user space (FUSE); a hash value of a file is calculated by utilizing a secure hash algorithm (SHA1) and taking a block as a unit, a file block is encrypted by utilizing a key and an advanced encryption standard (AES) algorithm of a symmetric encipherment algorithm and taking a block as a unit, and a file cipher text is uploaded to a file server in a cloud storage area so as to guarantee the confidentiality and integrity of the file; a filer owner postpones encrypting the file again when permission is revoked by designating a user with the permission of accessing the file and the permissions thereof in an access control list; and only when the user modifies the content of the file, the user encrypts the file block in which the modified content is positioned again and the system implements three layers of key management, namely a file block key, a safe metadata file key and a trust domain server key so that not only the safety of the file is guaranteed when the permission is revoked, but also the management load of the system is not increased.

The invention relates to a method for realizing a secure network backup system under a cloud storage environment, belonging to the technical field of storage security. The method is characterized in that a system architecture is invented in a trust network of a network backup system under the cloud storage environment, a trust domain is established in a server according to a user requirement, and then identity authentication is performed by using a public key infrastructure (PKI), so that the non-deceptiveness and non-repudiation of a user are guaranteed; a Hash algorithm is used to calculate a Hash value of a file, a key and an advanced encryption standard (AES) algorithm are used for data encryption, and then the ciphertext of the file is uploaded to a file server in a cloud storage area, so that the confidentiality and the completeness of data are guaranteed; a synchronization manner based on a directory tree is used to increase the synchronization efficiency and the confidentiality of the system; a hierarchical key management manner is used to reduce the management burden of the system while guaranteeing data security; a version control function is provided to guarantee the continuity of the version of the file; and encryption key selection manners of many levels of granularity are provided to increase the flexibility of the system.

The invention discloses an electronic document safe sharing system which can realize safe storage and fully sharing of secret document. The electronic document safe sharing system comprises a document encrypting module and a document decrypting module; wherein the document encrypting module utilizes a session key to symmetrically encrypt electronic document data, receiver identification (public key) is utilized to asymmetrically encrypt the session key, and finally the encrypted symmetric key and encrypted electronic document data are packed into a digital envelop; and the document decrypting module utilizes an own private key to decrypt the digital envelop. The electronic document safe sharing method of the invention takes CPK combined public key or CPK compound public key technology as the basis, flexible digital signature and secret key exchange capacity thereof are utilized, and a confidential document management system which is from a server to a client, contains information storage and transmission to each use link and is integrated with document data encryption, access control, authorization management, dynamic key exchange and process audit trail into a whole is constructed.

The invention discloses a firmware upgrading method based on digital signatures, and a device thereof, wherein the upgrading method comprises the following steps: encapsulation is performed according to a predefined encapsulation structure so as to generate an upgrading file based on a digital signature; a product needing firmware upgrading obtains the upgrading file; a digital signature file is extracted from the upgrading file and decrypted, so as to obtain an XML file; the XML file is analyzed so as to screen out upgrading module files needing to be upgraded; the legitimacy and integrity of every upgrading module file needing to be upgraded are verified respectively, so as to generate an upgrading script for upgrading all the upgrading module files which pass verification; and the upgrading script is executed so as to upgrade the firmware. The invention discloses a firmware encapsulating method based on digital signatures, and a device thereof. The invention verifies the integrity and legitimacy of every upgrading module file in the upgrading file through the digital signature file, and generates the upgrading script to finish upgrading firmware, thereby improving the security and convenience of firmware upgrading.

An integrity network is used to authorize electronic transfer of funds between two entities such as a caller or user and a third party. The network is accessed by a user via an electronic device that is capable of transmitting voice, such as a telephone. The network uses voice recognition functions, and optionally other information to uniquely identify the user and hence guarantee the integrity of transactions. In one embodiment, a user's phone number, a cellular phone serial number, or other code can be used as a security token. A person called via the network can further validate the identity of the user. Once validated, the user becomes a trusted member of the integrity network. Financial product can be provided to the trusted member with guarantees to the network of the identity of the trusted member.

The invention relates to an online fracturing test vehicle. The online fracturing test vehicle comprises a chassis, a shelter, a back protection device, a skirt edge box, a heating system and an automatic leveling device, wherein the shelter is mounted at the upper part of the chassis; the back protection device is mounted at the back end of the chassis; the skirt edge box and a generator are mounted at the side of the chassis; the automatic leveling device is mounted at four corners of the bottom of the chassis; the heating system is mounted at the top of the chassis; the shelter is integrated with an experiment instrument for a fracturing fluid test and a support agent analysis evaluation test; and the experiment instrument for the fracturing fluid test and the support agent analysis evaluation test is mounted on the chassis provided with the shelter, so that the online test can be performed on spot, the detecting accuracy and preciseness can be improved, and the detecting efficiency is improved.

The invention discloses a system and a method for analyzing network user behavior information. The system comprises a network user behavior data obtaining module, a network user behavior data preprocessing module, a network user behavior data storage module, a network user behavior data analyzing module and an analysis result display module, which are connected with each other in sequence; and the method comprises the steps of data collection, data preprocessing, data conversion, data analysis, data displaying and so on. According to the invention, the network user behavior information can be conveniently and rapidly obtained, and integrity, continuity and effectiveness of the user behavior information are guaranteed.

The invention discloses a method for preparing aerogel materials by combining hydrothermal synthesis technology and sol-gel technology. The prepared aerogel comprises one or more of alumina aerogel, silica aerogel, zirconia aerogel and titania aerogel. The method comprises the following steps: mixing a reactant and a structure-directing agent according to certain proportion, and adding a pH value control agent to adjust the pH value; sealing hydrothermal reaction equipment, heating the mixture to be between 50 and 280 DEG C, making the mixture stand for 0 to 72 hours, raising the temperature to be between 60 and 300 DEG C, and continuously reacting for 0.1 to 72 hours; and cooling gel, taking out the gel, drying the gel and obtaining the aerogel. Compared with the prior art, the method has low reaction temperature and pressure, small equipment investment and simple and controllable technology, reduces potential safety hazards, greatly improves the preparation speed of the aerogel, saves the production cost, and is favorable to realize commercial mass production.

The invention belongs to supervisory technical field for distance treatment, particularly for applying far distance patient monitor system and centralized continuously monitoring process to high-risk people of heart disease. Said system comprising portable monitor carried by patients, hospital central monitor center, doctors' far distance group consultation terminal, ambulance monitor, communication net system, etc. The monitor process is, through communication network such as mobile , local, wireless and internet communication, making hospital central monitor center and portable monitor in and out of the hospital , ambulance carrying monitor and far distance group consultation real-time connecting, exchanging and transmitting information such as real-time ECG, blood pressure, etc., patient geographical location, doctor group consultation and advice, and far distance equipment remote measurement & program controlled in each terminal, realizing continuously monitor to high-risk people of heart disease, applying central remote measurements and program control of far distance mobile terminal, prior to coming on of heat disease early period proper diagnosis given and applying real-time treatment to serious patient, etc.

The invention discloses a district power network equipment abnormal alarm signal association analysis and diagnosis method in the field of automation of scheduling of electric power systems. According to the method disclosed by the invention, the weather situation of a plant station region at which abnormal alarm information is located can be automatically identified so as to determine the information processing mode. The method disclosed by the invention has the beneficial effects that by realizing intelligent association analysis and auxiliary decision making of the equipment abnormal alarm information under the real-time state, and performing playback on historical alarm information and performing real-time treatment on manual set information under the research state, the abnormal treatment time is greatly reduced, the incidence of accidents is reduced, a real-time, rich and intelligent auxiliary decision-making support is provided for regulation and control staff, and the safe, high-quality, economical and stable operation of an electric fence is further ensured.

The invention discloses a dynamic indoor region coverage division method and device for a mobile robot. The dynamic indoor region coverage division method at least includes that scanning each row of a raster map to divide the indoor region for two times, dividing the indoor region into an independent sub-region block and an independent region block, wherein the independent region block comprises a plurality of adjacent independent sub-region blocks; acquiring the topology planning sequence of the independent sub-region block and the topology planning sequence of each independent sub-region block of the independent region block based on a reverse searching mode and a minimum tree principle; acquiring the optimal route of the mobile robot in the indoor region based on a Dijkstra algorithm according to the topology planning sequences. The dynamic indoor region coverage division method and device for the mobile robot start from the environment cognition habits of the human to divide the indoor environment for two times, the completeness of the region with a certain function in the environment is guaranteed, and meanwhile, the region with a certain function is divided into the independent sub-regions where the mobile robot can walk; the dynamic indoor region coverage division method and device for the mobile robot conform to the robot thought.

Described herein is a monolithic flooring system that includes cove elements that are shaped to provide a transition between floor and wall such that a floor coating may be installed over the cove elements and sub-flooring to create a unitary floor-cove covering making for a surface that is more sanitary and easier to clean. Also described are various shaped cove elements that enable creation of a good transition between wall and floor. The cove elements are preferably made of material similar to the sub-floor, for instance a cementitious material. The floor coating is preferably a resinous material.

The invention relates to a high-quality transfer method of graphene prepared by a chemical vapor deposition method. The method comprises the following steps: a, spinning a polymethylmethacrylate (PMMA) thin layer having even thickness on the surface of graphene prepared on a copper foil substrate with the chemical vapor deposition method; b, dissolving the copper foil; c, laminating; and d, and removing PMMA. By using the method provided by the invention, graphene can be stably, reliably and high-quality transferred, and the impurities in graphene are less, thereby ensuring the completeness and good property of prepared graphene not to be damaged and meeting the requirement of researching and applying graphene. After the method provided by the invention is adopted, complete and less-impurity-containing graphene can be stably, reliably and high-quality transferred, and thus a reliable guarantee for representation, research and application of graphene is provided.

The invention discloses an automatic pomelo peel-flesh separating device and an automatic pomelo peel-flesh separating method. The method comprises the following steps: first, clamping and placing a pomelo on a fixing needle which is in the center of a working bench by cooperatively controlling a vertical electric push rod and an unfolding electric push rod, and operating a peeling mechanical claw; then, measuring the size of the profile of the pomelo by utilizing a laser distance sensor, performing data analysis processing on the data of the profile size of the pomelo and determining subsequent actions by a power supply and a control cabinet, and respectively cutting off the top cover of the pomelo and dividing the peel of the pomelo into eight pieces equally by cooperatively controlling the actions of an upper horizontal stepping motor, a lower horizontal stepping motor and a vertical stepping motor, and utilizing a top removal cutting knife and a peel scratching hobbing knife; finally, cooperatively controlling the vertical electric push rod and the unfolding electric push rod to move, and enabling the peeling mechanical claw to move along the trajectory in the peel of the pomelo to peel the peel of the pomelo, clamp the flesh of the pomelo and separate the flesh from the peel. According to the device and the method, the pomelo can be charged and discharged automatically; after the top of the pomelo is removed and the peel is scratched, all pieces of the peel are peeled precisely simultaneously without hurting the flesh.

The invention discloses a multifunctional remote medical care system based on multi-network fusion. The system involves the processes of registration from an entity to an authentication center, establishment of electronic medical record, data acquisition, remote diagnosis and information feedback; and a user terminal comprises a smart phone and a medical sensor. The smart phone comprises a data receiving processing module, a location-information acquisition module, an information querying processing module, a terminal safety module, a terminal communication module, a terminal storage module and a terminal UI (User Interface) module, wherein the medical sensor is provided with a wireless network interface and can be placed on a third medical sensor placed on the body of a user, a system server side comprises a server communication module, an information management module, a server-side safety module, a disease diagnostician system module, an information feedback module and an authentication center. The multifunctional remote medical care system based on multi-network fusion has the characteristics of rapid response, capability of detecting pathological changes in time, convenience and rapidness and the like, is easy for functional expansion, and has a greater upgrading function.

The invention discloses a device detection and early fault warning system and method in a cloud computing environment. The system comprises a real-time monitoring module, a monitoring information presentation module, an early fault warning module and a warning module. The method comprises the following steps that firstly, real-time monitoring is conducted, wherein real-time information collection is conducted, and the real-time information is aggregated and presented; secondly, early fault warning analysis is conducted, wherein the collected information is subjected to early fault warning analysis; thirdly, a warning mechanism is triggered, wherein early warning information is classified. The device detection and early fault warning system and method can support protocols, autonomously and controllably select detecting indexes, adapt to different monitoring modes, customizing warning triggering conditions, extending the number of monitoring devices on a large scale and the like according to the types and the number of devices in a cloud computing data center, collection, monitoring, warning and fault positioning can be intensively conducted in a unified system, and the operation and maintenance efficiency is effectively improved.

The invention relates to a safety isolation file transmission control method, in particular to a file transmission control method between taxation network safety isolation systems. A transmission control system comprises an external network isolation firewall, an external network control end, an external network transmitting end, an external network receiving end, an internal network transmitting end, an internal network receiving end, an internal network control end and an internal network isolation firewall. A computer system, a virtual machine system and the isolation firewalls are combined to achieved a relatively universal safety data transmission manner, safe and reliable bidirectional data transmission is achieved by the control method with a special safety protocol, confidentiality, completeness and non-repudiation during information transmission are achieved by safety techniques such as data encryption, digital signatures and information authentication codes, data exchanging performance is increased while safety of internal and external network systems is guaranteed, and the whole system can work reliably and stably.

A realization method for ISCSI storage system characterizes in realizing ISCSI protocol on ISCSI controller including a net card binding module realizing different load balances, a storage device management module providing fixed virtual device identifier and the heat plug function, an adaptive IQ load control program controlling parallel IQ load of low end storage device and a multi-path module for IQ requiring controlling different storage array channels. Storage device image module controlling the access limitation of a starter to the storage device, a block device support module realizing the transformation of SCSI order and soft device IQ and a software RAID module are added if necessary.