46results about How to "Enable traceability" patented technology

The invention discloses an intelligent mobile phone routing inspection system and an intelligent mobile phone routing inspection method based on near field communication (NFC). The routing inspection system comprises a handheld routing inspection system and a background management center, wherein the background management center comprises a routing inspection data processing system and a client; the handheld routing inspection terminal can communicate with the routing inspection data processing system through a mobile Internet in real time; and the routing inspection data processing system exchanges data with the client through a local network. The routing inspection method comprises the following steps that a routing inspector scans an NFC label of equipment subjected to routing inspection by an NFC intelligent mobile phone, automatically records the routing inspection time through a cloth arranged in the mobile phone, directly types state information of the routing inspection equipment into the mobile phone, selects a state information storage or sending button, confirms information of the inspector and uploads data information to the background management center and the routing inspection data processing system for processing through the mobile Internet. According to the system and the method, paper-free work for routing inspection and intelligent management can be realized; the cost is reduced; the routing inspection efficiency and the responsibility of a worker are improved; and the mistake probability is reduced.

The invention relates to a key escrow-free secure multi-keyword sorting and searching system. The system comprises a key generation center, a cloud server, a data owner and a data user; the key generation center is used for achieving interactive computing with the cloud server to jointly generate a public parameter of the system and a property public key-private key pair of the data user; the cloud server is used for storing a file of the data owner and responding to a searching query request of the data user; the data owner extracts a keyword set from the file, encrypts the keyword set into asecure index, encrypts the file, makes an access strategy and embeds the access strategy into ciphertext; and the data user defines the searched keyword set and generates a trap door by using the property private key of the data user to search for the encrypted file stored in the cloud server. According to the system, the key escrow problem is solved, flexible authorization keyword searching andfine-grained data access authorization are achieved, multi-keyword subset searching is supported, and the searching result is not influenced by changes of the keyword query order.

The present invention relates to an electronic health record management system and method, which solves the technical problem of low confidentiality. The method is characterized in that: by taking a blockchain as a storage underlying layer of a health record system, de-intermediated trust of all nodes is achieved; all data cannot be tampered with, and traceability and consistency of all the data are achieved; and open transparency of non-sensitive data and confidentiality of sensitive and private data are achieved. The technical scheme of the present invention has the following beneficial effects that: the originality and authenticity of health data and operational data are ensured, and the health data and the operational data cannot be tampered with; the storage security of the health data and of the operational data of the health data is ensured; it is ensured that personal privacy and sensitive information cannot be leaked; and the technical scheme for fast sharing of health data and operational data better solve the problem and can be used in medical electronic applications.

The invention discloses an IOV (Internet of Vehicles) anonymous authentication system with a controllable link, and an IOV anonymous authentication method, and relates to the IO field. The system includes a system initialization module which is used for completing the initialization work of an IOV system and a TA (trusted authority); a registration module which is used for completing the registration of an OBU (onboard unit) and an RSU (roadside unit) to the TA; an OBU joining module which is used for obtaining a group certificate from the RSU when the OBU enters the communication range of a new RSU; a signature module which is used for completing the signature of a vehicle about a message; an authentication module which is used for completing the signature information authentication afterthe OBU receives the signature information; a link module which is used by an SP (service provider) to determine whether the two signature messages are linkable or not; an identity tracking module which is used for completing the process that the TA exposes the real identity of a signer of a valid signature message. The construction of the system uses a more lightweight elliptic curve operation to make the authentication process more efficient.

The invention discloses a traceable effective open auditing method in cloud storage data sharing, and a cloud computing application system. The method comprises the following steps: initializing the system, generating a main private key and open parameters by using an attribute mechanism, allocating an attribute private key to each user, and embedding the user identity in the attribute private key; formulating a signature strategy by a data owner, generating a label for a data block, and uploading the label to a cloud server; modifying the data by a user satisfying the signature strategy; verifying the label of the modified data by the cloud server; sending challenge to the cloud server by a verifier; calculating auditing evidence by the cloud server, and returning the auditing evidence to the verifier; verifying the correctness of the evidence by the verifier; and tracing the malicious user. According to the traceable effective open auditing method disclosed by the invention, the privacy of the user identity is protected in a multi-user data sharing environment, the traceability of the malicious user is realized at the same time, and the storage overhead for tracing is a constant.

The invention provides an IoT (Internet of Things)-oriented user authentication and key negotiation system and method, and relates to the field of IoT. The system comprises a system initializing module, a key generation module and an authentication and key negotiation module, wherein the system initializing module is used for initializing an IoT system, gateway nodes, users and sensor nodes; the key generation module is used for finishing the generation of keys for participants of the system in the IoT; and the authentication and key negotiation module is used for finishing mutual authentication between a user and a server and negotiating a common session key during access to remote sensor node information. The system has the characteristics of connectivity, forward-backward safety, non-connectivity of sessions, anonymity and the like, and the requirements of the IoT are met well on the aspects of safety performance and computing cost.

Traceability for an end product is enabled by a transition event type in an event-driven information traceability software that records unique product code associated with a product in a domain. One or more trigger rules are defined for generating a transition event associated with the product in response to the product crossing the domain into another domain. One or more actions are defined for generating a transition event associated with the product in response to the product crossing the domain into a different domain. The one or more actions include at least determining a new unique product code associated with the product in said another domain and storing the unique product code and the new unique product code in a data structure associated with the transition event.

The invention relates to a digital currency tracking method based on monero, and the method comprises the following steps: carrying out initialization on a system, generating system parameters, and generating a secret key for tracking authority; a user generating a transaction order, a payer generating a primary public key for a payee, and embedding into a long-term public key tracking tag; the payer performing mintage for a payment account; the payer pulling in a group of mixed accounts to hide a real payment account; generating a primary public key tracking tag; and completing the transaction order, and signing the transaction order; broadcasting the transaction order to a P2P network; a miner generating a block, collecting the transaction order in the P2P network, verifying the validity of the collected transaction order, using the valid transaction order to mine, generating a new block, and broadcasting the block; a tracking authority tracking a malicious payer, and tracking the primary public key and the long-term public key of the malicious payer when discovering the malicious payer so as to cancel the anonymity of the malicious payer and generate evidences to prove the correctness of the tracking result.

The invention concerns a method and an apparatus for the quantitative determination of the concentration of fluorophores of at least one substance in a sample. A constant portion of the reference light of a reference light wave length (λr) emitted by a reference light source (28) is coupled in by an optical element (REM) in the direction of a receiving element (38). A first measured value is detected which corresponds to the portion of the reference light coupled in which is incident on the receiving element (38). The sample is irradiated with the excitation light of an excitation wave length (λ_ex) emitted by an excitation light source (26). A second measured valued is detected which corresponds to the portion of the fluorescent light of an emission wave length (λ_em) emitted by the sample which is incident on the receiving element (38). The ratio (E_mes2/E_s2) of the second measured value (E_mes2) to the first measured value (E_s2) is determined. The number of fluorophores in the substance of the sample within the detection zone is determined taking into account the determined ratio (E_mes2/E_s2).

The invention discloses a light emitting diode (LED) module-based random matrix lamp mixing method and a system device thereof. The device comprises an artificial intelligence (AI) inserter. The method comprises the following steps of: constructing a software module for generating a random matrix, an AI inserter control end software module and an AI inserter functional module in an AI inserter control end PC according to LED module pixels; after real-time start, generating the random matrix according to the batch and the number of LED lamps; calling the random matrix and building a corresponding relationship between the feeding station number and the LED module pixels by the AI inserter control end software module; building a corresponding relationship between the LED batch and the feeding station number by the AI inserter functional module; and controlling the AI inserter to take out each LED lamp from the corresponding feeding station by the AI inserter control end software module, and inserting the LED lamps into corresponding positions of the modules to realize lamp mixing. By adopting computer programming for generating the random matrix, the risk of regular patterns of LED modules is reduced; and the same random matrix is adopted in each LED module, so the LED batch and the pixel positions of LEDs on the LED modules are fixed, the traceability of the LED lamps is realized, and the production risk is effectively controlled.

The invention discloses a universal inertial data processing system based on a uniform interface. The universal inertial data treatment system based on the uniform interface is characterized in that the data processing system comprises a pulse collection circuit, a communication interface circuit, a main control chip set, a data processing unit and a power source board, wherein the pulse collection circuit is used for collecting inertial positive and negative channel pulse output; the communication interface circuit achieves inertial data collection which is output by the inertial unit in a bus communication mode; a platinum resistance temperature measuring circuit measures compensating parameters which are needed when inertial precision is calculated, the main control chip set comprises a main processor and a subsidiary processor, communication interfaces with multiple types are extended through the main control chip set, and protocol conversion is conducted in software; the data treatment unit receives data transmitted by the main control chip set and achieves and conducts treatment. According to the universal inertial data processing system based on the uniform interface, multiple inertial test interfaces are integrated, multi-interface inertial data is unified into Ethernet output, multiple communication protocols are compatible, and multiple types of inertial test requirements are met.

The invention discloses a block chain system user identity anonymity and traceability method, a corresponding storage medium and an electronic device. The method are suitable for a block chain networkcomposed of a plurality of other user sides and a supervision center, and the method comprises the following steps: obtaining a first certificate through the supervision center; obtaining a second certificate according to the first certificate and the first identifier, and randomizing and anonymizing the second certificate to obtain an anonymous certificate; sequentially generating a public and private key pair and binding information, and uploading a transaction composed of a public key, transaction information and the anonymous certificate to the block chain after the binding information isconfirmed on the block chain. The second certificate is randomized each time, the first identifier is secret, and the anonymous certificate does not leak any information related to the identity of the user. According to the invention, the user registers at the supervision center to obtain the certificate, and the user needs to attach the corresponding certificate every time the user sends a transaction, thereby achieving the traceability of the user.

The invention provides an efficient message transmission and authentication method based on a mobile vehicle ad hoc network. The invention provides an efficient low-bandwidth message transmission andauthentication mechanism, the mechanism is a scheme based on identity encryption and anonymous authentication, can protect user privacy information in a message transmission and authentication process, and meanwhile if the transmitted message is not legitimate, the unique authority TA (trusted center) can track vehicle identity through a main private key; the mechanism also supports message batchtransmission and batch authentication. In the method, the authority TA (trusted center) is responsible for the generation of system security parameters in the environment of the Internet of Vehicles and is responsible for calculating and storing related data; and a RSU (road test unit) transits the information through a wireless channel and TA and OBU, and is responsible for calculating and transmitting related data.

The invention discloses an environment health management method. The environment health management method comprises the steps that an environment health event is submitted, verified, dispatched, audited and the like; based on an environment health management system participated in by community residents and social organizations, the community residents are widely encouraged to participate in law enforcement, the management system is established through an informatization means, and the process management on the environment health is recorded and can be traced, inquired, tracked and the like. The effect of improving the environment health management efficiency is achieved.

The invention belongs to the technical field of blockchain security, and discloses a safe and efficient unlicensed blockchain conditional anonymity method, system and application, and the safe and efficient unlicensed blockchain conditional anonymity method comprises: user one-time public and private key pair generation, anonymous transaction generation, transaction legality verification and user identity tracking; a one-time public key and related verification parameters are generated according to the long-term public key of the user; an anonymous transaction bill, a transaction signature and related verification parameters are generated by adopting a bilinear ring signature technology; the miner node and the supervision mechanism cooperatively verify the legality of the transaction, and respectively package the anonymous transaction and the user identity information into an anonymous unlicensed blockchain and a supervision blockchain; and the supervision mechanism tracks the anonymous identity of the user by using the private key of the supervision mechanism. Anonymity and traceability of the user identity in the unlicensed blockchain can be realized at the same time, introduction of an uncontrolled random number is avoided through the bilinear ring signature and the double-chain structure, and the throughput and the overall efficiency are improved.

The invention provides a data query method and device, electronic equipment and a storage medium. The method comprises the following steps: receiving a data query request sent by an object, obtaininga statement and an identifier corresponding to the to-be-queried data from a first database of a first data processing platform, determining an index position and an update field position of the statement in a second database according to a table structure stored in the first database, obtaining a field name of an index, a field value of the index, an updating field name and data values before and after updating from a second database according to the identifier, the index position and the updating field position; generating a query result according to the field name of the index, the fieldvalue of the index, the updated field name and the data values before and after updating; and pushing the query result to the object, so that the query efficiency is improved, the data values before and after updating can be queried, the integrity of the query result is ensured, and the technical effects of traceability of a data modification track and clearer data change display are achieved.

An apparatus, system, and method are disclosed for identifying and tracing of items within an assembly or manufacturing process. An individual item identifier (“ID”) is assigned to an item during one or more of an initial assembly step and a manufacturing step. A surface of the item is read to determine a first surface profile of the item which is associated with the individual item ID. The first surface profile and the individual item ID are stored in a database. The surface of the item is read to determine a second surface profile of the item after each manufacturing or assembling process step in which the surface of the item is manipulated. The second surface profile is compared with the first surface profile and the second surface profile is associated with the individual item ID in response to a mismatch between the first surface profile and the second surface profile.

A disclosed experimental animal unmanned experimental system adopts intelligent transportation formed by the combination of a transportation robot, scheduling management, communication interaction, and an automatic apparatus, functions such as automatic transportation, tracking, and calibration of experimental animals in the whole course can be realized. The experimental animal unmanned experimental system can enable the experimental animals to realize fully automatic transfer transportation from a feeding house to a laboratory. The intelligent transportation robot and other automation equipment are linked to realize unmanned operation of the entire site. Through automatic transportation, cleaning and experiments, the contact between the animals and laboratory personnel can be minimized, thereby infection and other related problems are avoided, and additional risks brought during transportation are reduced.

The embodiment of the invention provides a field inspection supervision method and system. The method comprises the following steps: generating a corresponding inspection task in response to an inspection demand trigger signal; issuing the inspection task to a corresponding inspection personnel terminal, generating a supervision QR code according to the inspection task, and sending the supervision QR code to a corresponding inspection target terminal, so that the supervision QR code is displayed at the inspection target terminal at a predetermined time; in response to the supervision QR code trigger signal, a corresponding demand supervision level is obtained according to the inspection task, a corresponding inspection supervision process is executed according to the demand supervision level, and the supervision QR code is triggered by an inspection personnel terminal through code scanning. The scheme of the invention improves the supervision performance of factory intelligent inspection.

The invention provides a collaborative behavior measurement method and device based on collaborative management software. The method includes the steps of acquirement of information, wherein log information of collaborative behaviors of an object is acquired; filtering of information, wherein the log information is filtered to obtain key behavior fields of the log information; label extraction, wherein label identifications of the key behavior fields are extracted; behavior measurement, wherein the collaborative behaviors of the object are measured according to the key behavior fields and thelabel identifications. According to the collaborative behavior measurement method and device based on the collaborative management software, on the basis of the collaborative management software, effective and orderly storage of collaborative behavior process data of the object is achieved through the key behavior fields, the collaborative behavior process is measured according to the key behaviorfields, and the effect of tracing the collaborative behaviors of the object is achieved.

The invention relates to a computer-implemented method and system for tracking parts of a product and computer-program products. In some embodiments, the tracking and traceability generates streams ofsemantic data obtained from an imaging sensor system that records the execution of a manufacturing process in industrial equipment. The execution of the manufacturing process yields a finished product from initial materials and/or parts. The tracking and traceability also implements artificial reasoning about the execution of the manufacturing process to generate assertions that characterize theexecution of the manufacturing process. Semantic data and assertions can be aggregated into a digital trace record that tracks a defined component of the finished product throughout the execution of the manufacturing process and permit tracing the component to a defined event within the manufacturing process.