114results about How to "Confidential" patented technology

The invention discloses a method suitable for safely migrating data between storage clouds, belonging to the field of a distributed file system. The method comprises the following steps: SSL (Security Socket Layer) connection is set up between a source cluster and a destination cluster; central nodes of the source cluster and the destination cluster generate a secret key through the SSL connection, and the secret key is transmitted to a data node executing the data migration; an approved migration privilege bill is encrypted by the central node of the destination cluster, is then transmitted into the data node executing the data migration in the source cluster, and is recorded; the encrypted migration privilege bill is transmitted to the central node of the destination cluster through the data node executing the data migration to be verified, then the central node of the destination cluster transmits a destination data node address to the data node executing the data migration; and the data node executing the data migration encrypts data to be migrated by the secret key and then transmits the data to the destination data node. The method greatly improves the safety of the data migration between the storage clouds.

The invention discloses a certificateless multi-receiver signcryption method with a multivariate-based cryptosystem. The certificateless multi-receiver signcryption method is used for solving the technical problem of poor security of an existing certificateless signcryption method. The technical scheme includes that the method includes: firstly, using a key generation center to generate system parameters, and selecting a secure multivariable encryption algorithm to generate keys; and enabling a user U to obtain system private keys of the key generation center and generate the private keys to user keys prior to that a user Alice with the identity IDA sends signcryption messages to a user group L={ID1, ID2,...,IDt}, and accepting or refusing ciphertext sigma by means of un-signcryption. By the aid of the multivariate-based cryptosystem, high security of anti-quantum computation is achieved, and the certificateless multi-receiver signcryption method is still high in security facing attack of a quantum computer. Compared with the background art, the certificateless multi-receiver signcryption method is small in computation and high in security, has the advantages of completeness, confidentiality, unforgeability, forward security, backward security, receiver privacy protection and the like and is capable of resisting existing known attack.

The invention relates to the field of intelligent management and discloses a performance assessment managing method, adopting a server and at least one client computer, which are connected through Internet or a local area network. The performance assessment managing method comprises the working steps of: step (1), modeling; step (2), inputting information; step (3), requiring assessment; step (4), assessing and analyzing; and step (5), assessing and feeding back. According to the performance assessment managing method, an assessor (manager) can conveniently and rapidly set self-help performance assessment index and rule in a system definition format on any computer terminal based on the Internet, and also can carry out inquiring and operation; and an assessed person can conveniently and rapidly obtain self assessment information from any computer based on the Internet and carries out operation. The method disclosed by the invention is carried out based on the Internet and is not limited by time and space, so that the time and the cost of two parties are extremely saved, and the performance assessment managing method is extremely easy to operate and has certain confidentiality; and therefore, the performance assessment managing method is a helpful tool for carrying out the performance assessment by enterprises and is extremely good for popularizing and using in performance assessment managing work.

The invention relates to the field of real estates, and discloses a block chain-based house history generation method. The method comprises the following steps of: firstly filling information, carrying out operation by a block chain, generating first block data of a house, verifying validity of the first block data, and storing the first block data in the whole block chain; when the house state changes, for example, data updating or owner alternation is carried out, obtaining data of the last block from the whole block chain, filling modification content or alternation content, carrying out operation by the block chain, generating the current block data, verifying effectiveness of a signature of the current block data and integrity of the modification content or the alternation content, and storing the current block data in the whole block chain. According to the method, uniform house history is formed, and the disclosed information cannot be tampered, so that the correctness and tamper-resistance of the house information are ensured.

The invention discloses a three-factor identity authentication and key negotiation method in a multi-server environment. The method comprises the following phases: a registration center initializationphase, a server registration phase, a client registration phase and an authentication and key negotiation phase, and a functional portion of client password replacement. By adoption of the three-factor identity authentication and key negotiation method disclosed by the invention, the participation of a trusted third party registration/authentication center is not required in the authentication phase, thus reducing the communication steps and costs, improving the protocol operation efficiency and ensuring the security of the protocol at the same time. The mutual authentication of the two parties is realized by a static DH value shared by the client and the server uniquely, and the confidentiality of a session key is realized by a dynamic DH value shared by both parties uniquely and used for calculating the session key so as to ensure the security of an established channel. The three-factor identity authentication and key negotiation method disclosed by the invention has authenticationproperty and confidentiality, is secure and provides an efficient multi-server three-factor identity authentication and key negotiation protocol on the communication.

The invention relates to the technical field of customization of multimedia acquisition devices and discloses a device for configuring multimedia acquisition devices by using multimedia. The method comprises the following steps that: firstly, software is installed on configuration device is operated firstly, and the software automatically encodes configuration information into a picture, a video or an audio on the configuration device according to the information input by a user or information automatically detected by the software or the information automatically detected by configured equipment and acquired by the software; then, the picture, the video or the audio are outputted to the configured device; and finally, the configured device decodes an inputted picture or video or audio, and carries out automatic configuration according to the configuration information obtained through decoding. According to the invention, the configured device and the configuration device are not required to be provided with other specialized communication interface devices, and the transmission of configuration information is implemented by using existing indispensable s image or voice inputting/outputting devices on the two devices, thereby reducing the number of devices on the configured device, and reducing the manufacturing cost of the device.

A time modulation array based communication and radar integrated design method is provided. The invention relates to a communication and radar integrated design method. The invention solves the problem that the existing integrated waveform design methods have high complexity, the time division based integrated methods are low in efficiency, the reliability of the space division based integrated methods are low, and scanning detection cannot be performed. The invention comprises: 1, calculating and obtaining an amplitude of a nth array element weighted value; 2, periodically modulating a uniform linear array, and obtaining an array factor of a fundamental component of a time modulation array and an array factor of the time modulation array +a first harmonic component; 3, calculating a phaseof the nth array element weighted value; 4, calculating the turn-on time and the turn-off time of each array element RF switch; and 5, mixing and sending a radar signal and a communication signal tothe time modulation array in the transmit mode; simultaneously receiving the radar signal and the communication signal in the receiving mode, and using a band pass filter to perform distinguishing. The invention is used in the field of communication and radar integration.

The invention discloses a screensaver unlocking method for an intelligent terminal. The method comprises the following steps: (1) presetting an unlocking password, wherein the password is a single password or a composite password selected from time duration, sequence, location, graph and number; (2) pressing a hot key in a screen-saving state; (3) displaying a ball sport scene on a screen, wherein the ball sport scene is displayed in a static or dynamic manner corresponding to a password to be input; (4) inputting the single password or composite password by an operator in the ball sport scene, wherein the ball sport scene generates corresponding dynamic display corresponding to a password inputting process; (5) when the input password is correct, unlocking a screensaver.

The invention provides a civil air defense emergency alert information message compression encoding method based on Beidou communication functions. The method comprises: a civil air defense common word code library is built; words included in the code library are expressed with corresponding codes and the codes are encapsulated into subframes; characters not included in the code library are expressed with corresponding computer codes; the computer codes and the subframes are connected according to the order of the original message to form a message text, and a message header and a message tail are added to the message text to form a to-be-sent message; it is determined if the length of the to-be-sent message is greater than the maximum length, L bytes, permitted by the Beidou system, and if so, the to-be-sent message is segmented into a plurality of sub-messages, the length of which is no greater than L bytes, for sending, each sub-message having a message header and a message tail; otherwise, the to-be-sent message is sent directly. The method can reduce the length of the message and the sending times of a long message. The alert information notifying time is shortened, and the flow is saved. The method is simple and easy to implement with good reliability.

The invention relates to a privacy protection method based on certificateless ring signcryption in a vehicle-mounted ad hoc network. After the signcryption vehicle encrypts the message by using the private key of the signcryption vehicle, the ciphertext is secondarily encrypted by using the public key of the out-of-loop receiving vehicle, the out-of-loop receiving vehicle correspondingly decryptsthe ciphertext by using the private key of the signcryption vehicle after receiving the ciphertext, and the validity of the ciphertext is verified by using the public key of the signcryption vehicle,so that the source and the integrity of the communication message can be authenticated. The method has the beneficial effects that when the vehicle has an illegal behavior, the traffic management center tracks the real identity of the vehicle through the unidirectionality of the hash function, and the requirements of anonymity and traceability are met.

The invention relates to an AR book and an index augmented reality system and an index augmented reality method based on the same. The system comprises an AR book, an augmented reality stylus, a terminal, and a display module. The augmented reality stylus is used to read the AR book, parse the OID code of a coding rule carried by an object to obtain feature information, and transmit the feature information to the terminal. The terminal includes a decryption module, a data factory control module, a query module, a playing module, a network data control module, a data downloading module, a network data interface, and a cloud platform. According to the invention, the OID code is adopted, and each OID coded graph is formed by arranging many subtle points which are difficult to see with human eyes in accordance with specific rules and corresponds to a specific set of values. The biggest difference between other optical identification codes and a miniaturized bottom code is that the miniaturized bottom code has the characteristics of secrecy and low visual interference and can be hidden under the color pattern of a printed matter. Therefore, high recognition rate and a fast response mechanism are ensured.

The invention discloses a theft-proof wireless infrared remote control electronic coded lock, relating to the technical field of electronic coded locks. A main control module (1) is respectively connected with a keyboard control module (2), a display module (3), a decoding unlocking module (4), an infrared receiving module (5), a voice alarm module (6) and a fingerprint identification module (7), and the decoding unlocking module (4) is connected with a wireless coding remote control module (8). The electronic coded lock is simple in structure and convenient to use and has double prompts of fingerprint identification and keys; under the condition that password is divulged, the password can be timely modified, or fingerprint identification is used, so the electronic coded lock has certain confidentiality; and the electronic coded lock has high flexibility, is suitable for houses, hotels, private garages and the like and has a relatively high use value.

Said method designs the traditional terminal as new type terminal capable of connected with internet, setting network bank server in bank headquarter, after said new type terminal connected to internet, capable of execution of tradition bank card deal and network bank service adjoined deal method, Said new type terminal configured with CPU chip and embedded type board card, mobile intelligent unlocking key, liquid crystal display, banker's card slot, keyboard and modem; wherein modem for accessing internet or by ADSL dialing, embedded type board card controlling scheduling peripheral and executing scheduled software, keyboard card slot and liquid crystal display receiving input output result.

The invention provides a lock management method capable of realizing long-distance control, which controls a lock in a long-distance manner through a management system, and assists trusteeship behaviors of a user. The lock management method comprises the following steps of: (A) establishing identification data of the user for the management system; (B) inputting the identification data of the lock by the user through a handheld device, and transmitting the identification data to the management system; (C) receiving the identification data of the user and the lock from the handheld device, authenticating, recording and generating a group of codes by the management system, and transmitting the codes to the handheld device by the management system; and (D) receiving the codes from the management system by the handheld device, and inputting the codes in the lock by the user for comparison, so as to unlock the lock. Therefore, the lock management method has the effects of high security, high confidentiality and convenience in use. Furthermore, a using state of the lock can be inspected by recording of the management system, so as to effectively manage and maintain.

The invention discloses a device and a method for safely storing error big data of a smart electricity meter based on a fountain code. The device comprises a smart electricity meter self-service error calibration device, an HDFS (Hadoop Distributed File System) client side and a Hadoop big data storage platform, wherein the smart electricity meter self-service error calibration device, the HDFS client side and the Hadoop big data storage platform are sequentially connected; the smart electricity meter self-service error calibration device is used for collecting data of a measured smart electricity meter; the HDFS client side is used for preprocessing the collected data of the smart electricity meter and coding and decoding the preprocessed data; the Hadoop big data storage platform is used for carrying out distributed storage on the error big data of the smart electricity meter. The device and the method disclosed by the invention have the technical effects that the storage efficiency is increased; the utilization rate of storage space is increased; the problem of stored data loss caused by DataNode failure in the prior art is solved; privacy protection of the data of a user is ensured.

The invention discloses a lightweight image file disk encryption system and method. The system comprises a management system, a use system and an encryption protection module. The management system comprises an account creation unit, an account modification unit, an administrator account login unit, a storage unit, and an information control unit. The administrator account login unit includes an administrator login account and an administrator login password. The use system includes a user account login unit, an operation password input unit and a file copy unit. The encryption protection module includes an information identification unit, a signal detection unit and an alarm prompting unit. The storage unit is connected to the account creation unit and the account modification unit. The output ends of the storage unit, the user account login unit, the file copy unit and the operation password input unit are connected to an input end of the information identification unit. The disk encryption system provided by the invention carries out triple protection on a mirror image file, and the encryption effect is safe and effective.

The invention proposes an identity verification method and device which are high in safety. The method comprises the steps that a server receives a verification code pull request transmitted by a user terminal, wherein the verification code pull request contains the account information of the user terminal; a preset theme corresponding to the account information is obtained according to the account information; a plurality of to-be-selected pictures are obtained from an image database; each to-be-selected picture is provided with a corresponding theme; the theme of at least one of the plurality of obtained to-be-selected pictures is the same as the preset theme; the plurality of obtained to-be-selected pictures are transmitted to the user terminal for display; the information of a selected picture returned by the user terminal is received, and the identity of a user is verified according to the theme of the selected picture and the preset theme, wherein the selected picture is selected by the user from the plurality of to-be-selected pictures.

The invention provides a storage cabinet, a control system an d a data storage system. The data storage system comprises the control system and at least one storage cabinet body; each storage cabinet body comprises a command receiver, an electronic control mechanical lock and multiple cabinet bodies, the electronic control mechanical lock is installed in the cabinet bodies, and one end of the command receiver is used for receiving switch control instructions from a computer and controlling the electronic control mechanical lock according to the instructions; the control system of the storage cabinet bodies comprises a data storage module, a data searching module, a data browsing module, a personal data access module and a setting module. By the arrangement, information index sharing is realized through the control system of the storage cabinet bodies, tedious process in data searching among apartments is avoided, problems about storage disorder and borrowed record disorder can be solved, the storage cabinet bodies have confidentiality, thievery prevention and security functions, information record of the control system is detailed, and convenience and rapidness in searching and storing process of various archive information can be achieved.

The invention disclose is wall inner heat preservation structure for building, especially a fluid adjusting type inner heat preservation structure with multifunction for external heat preservation and inner thermoregulation and the making method, which includes a heat emission layer, a diversity water type plastic tubing net and an insulation layer, wherein, the diversity water type plastic tubing net comprises two main tubes and a plurality of capillaries vertical coupling to the two main tubes with two ports communicated with the external heating or refrigerating system, characterized in that, the heat dissipation layer is composed of a double-layer thermal fin, and a plurality of capillaries is clamped between the double-layer thermal fin; wherein the space between the plurality of capillaries and the thermal fin coating the two sides is compactly sticked without air obstruct. One side of the insulation layer is sticked with the outside surface of the thermal fin, and the other side is connected with the wall, which has light weight, thin thickness, even thermolysis, no noise, marked energy saving effect, and not only is suitable for the installation of the new building wall, but also for the heat preservation energy saving reconstruct of the old building, and easy to extend and actualize.

The present invention discloses a BRT (Bus Rapid Transit) automatic ticketing system. The automatic ticketing system is arranged in a ticket vending machine of a bus rapid transit station, and comprises an MCU, a signal input end of the MCU is connected with a two-dimensional scanner, a coin receiving device and a paper currency receiving device, and a change device and a ticket issuance device are connected with a signal output end of the MCU; the automatic ticketing system further comprises a RFID ticketing unit, the RFID ticketing unit comprises a RFID receiving device, a RFID writing device and a RFID ticket printing device which are connected in order, the ticket issuance device is connected with the RFID ticket printing device, the automatic ticketing system further comprises a display module, and the display module is connected with the MCU. The BRT automatic ticketing system can perform accurate control of a passenger flow of the whole bus system while improving the efficiencyof the automatic ticketing system.

The embodiment of the invention discloses a method and device for starting a processor as well as a device for providing an IPL (Initial Program Loader), so as to solve the problem that loading and executing any IPL can have influence on the system safety when a processor starts. The method comprises the following steps: the processor reads a public key, generated by a provider, of an SBH (Security Boot Header) in the preloading IPL, and generates a second public key digest hash corresponding to the public key; when the second public key digest hash is identical with a first public key digest hash, the digest encrypted message in the SBH is decrypted through the public key to obtain a first IPL digest hash; a second IPL digest hash of program codes in the preloading IPL is generated; when the first IPL digest hash is identical with the second IPL digest hash, the preloading IPL is executed to start the processor. According to the embodiment of the invention, the two comparison processes, namely the comparison of the public key digest hashes and the comparison of the IPL digest hashes, are performed in the starting of the processor, so that the system safety is improved as the number of comparison processes is increased.