55results about How to "Reduce verification times" patented technology

The invention relates to a method for mutual authentication of user identities based on elliptic curve passwords. The characteristics of storage capability, calculation capability and limited bandwidth of an Ad Hoc network are considered, and a self-authentication public key system and the intractability of an elliptic curve discrete logarithm problem are utilized, so as to reduce the interaction times of the user identity authentication process, and accelerate the authentication speed. The method comprises the following steps of system initializing, user registering, and mutual authentication of the user identities. The method has the advantages that while the mutual authentication of the user identities is guaranteed, the function of session key negotiation is realized, the storage expense, communication expense and calculation expense are all less, the replay attack, man-in-the-middle attack, counterfeiting and tampering attack, and key disclosure counterfeiting attack can be resisted, a generated one-time session key has the advancing security and backward security, and the security is higher.

The invention provides a bio-feature verification method and an electronic device. By utilizing environment information of an acquisition environment during bio-feature information acquisition, a proper verification template is selected for verifying the acquired bio-feature information so as to improve the effectiveness of verification processing. The bio-feature verification method comprises the steps of obtaining the bio-feature information of an operation body in an acquisition region of a bio-feature acquisition module; obtaining the environment information of the acquisition environment in which the acquisition region of the bio-feature acquisition module is located; based on the environment information, determining a verification template corresponding to the environment information; and based on the verification template corresponding to the environment information, verifying the bio-feature information.

The invention relates to an integrated circuit (IC) card payment authentication method based on fingerprints and finger veins. The method comprises the following steps: registration: a registered terminal acquires registration finger vein information and registration fingerprint information of a cardholder to generate a finger vein template and a fingerprint template, stores the fingerprint template in an IC card and the finger vein template in a background system; trading: a payment terminal obtains site payment fingerprint information and site payment finger vein information acquired when the cardholder pays at site, compares the site payment fingerprint information with the fingerprint template stored in the IC card, if the comparison fails, trading is refused, if the comparison succeeds, the background system compares the site payment finger vein information with the finger vein template stored in the background system, if the comparison fails, the trading is refused, if the comparison succeeds, the trading is authenticated. By adopting the method, the identity authentication security level can be effectively improved.

The invention discloses an identifying method and an electronic device which are used for solving the technical problem that an electronic device in the prior art cannot response to different operation instructions based on the same voice input information of different users. The identifying method is applied to a first electronic device which can be in data communication with a second electronic device and comprises a first feature base and a second feature base, wherein the first feature base corresponds to a first user of the second electronic device and is different from the second feature base. The identifying method comprises the steps: acquiring first information to be identified, wherein the first information to be identified is acquired and sent by the second electronic device and particularly corresponds to the first user; finding a first instruction corresponding to the first information to be identified in the first feature base based on the first information to be identified, and making the second electronic device acquire first identifying information related to the first instruction based on the first instruction.

The invention provides a high-dynamic degree and high-security dynamic integrity measurement method for the security of an electronic government cloud platform. An integrity measurement architecture (IMA) is involved. The method comprises the following steps of: setting a double linked list in a kernel for a specified process and a specified file respectively, storing measurement results of the process and the file, and expanding the measurement results into corresponding program control registers (PCR) by using a terminal-to-computer multiplexer (TCM) chip. The specification refers to that a file to be measured is determined by an authority department, for example, a government department is required to strictly protect certain official documents; and the measurement of the specified process mainly aims to improve the security of a computer system and assist in protecting the integrity of a confidential official document.

The invention discloses an account verification method and device and belongs to the field of network security. The account verification method comprises the following steps of receiving an account verification request sent by a terminal, wherein the account verification request comprises a user account and first identity information of a verification initiator, and the first identity informationcomprises biological verification information and certificate verification information; obtaining second identity information of an account owner of the user account, wherein the second identity information comprises biological authentication information and certificate authentication information; determining whether the verification initiator and the account owner are the same user according to the first identity information and the second identity information; and when the verification initiator and the account owner are the same user, returning a verification success result to the terminal.In the embodiments of the invention, the user only needs to upload the biological verification information and the certificate verification information which do not need to be memorized so as to complete the account verification, and thus the user can be prevented from filling in the verification data according to the memory, and the efficiency and success rate of account verification are improved on the premise of ensuring the security of the account.

The embodiment of the invention relates to a blockchain network sniffer, a network sniffing method and an optimization method, the blockchain network sniffer comprises a detection module and a decision arbitration module, the detection module comprises at least one detection node, and the detection node is connected with all nodes in a blockchain network; wherein each detection node is connected with subsets of all the nodes, the subsets connected with the detection nodes are not overlapped, and a combined set of all the subsets is a complete set of all the nodes of the blockchain; the decision arbitration module is composed of an arbitration node and further comprises an arbitration node, and the arbitration node is placed in the blockchain network and connected with all the detection nodes. According to the invention, a quantitative measurement index can be provided for the service data transmission efficiency in the blockchain network. Meanwhile, by means of the network channel of the sniffer, the hop count of data transmission can be reduced, the verification frequency can be correspondingly reduced, and the propagation speed can be increased from a network layer by means of the network channel of the sniffer.

The invention discloses a debugging method of an overdrive brightness value lookup table, a use method and a display panel. The debugging method includes the steps of: using a preset gray scale interval to exhaust all gray scales of a usable gray scale range as a previous frame gray scale M, using a preset gray scale interval to exhaust all gray scales of a usable gray scale range as a current frame target gray scale N, measuring the actual brightness, and recording all the actual brightness values into the overdrive brightness value lookup table correspondingly, wherein the measurement process of each actual brightness value includes: taking the gray scale M as the previous frame gray scale, adopting the gray scale N as the current frame target gray scale, and using optical equipment to measure the actual brightness value of the current frame. The debugging method provided by the invention can reduce the debugging time.

The invention provides a method for discovering tampering with the account book data stored in a node on a block chain. The method firstly traverses and verifies whether all blocks except the last block in the block chain stored in the node are tampered with. If there are tampered blocks in the verification node, the pre_H is recorded for recovering the data. When a new block is added to the nodeblock chain, the pre_H stored in the new block and the data stored in the new block are signed with the private key of the node and stored separately. The pre_H and data stored in the latest block arecompared with the pre_H and data stored in the signature to verify whether the data in the new block has been tampered with and to locate and recover the data in the previously tampered block.

The invention relates to the field of energy block chains, in particular to a block generation and transaction verification method suitable for an energy blockchain. An obvious hotspot account is provided for electric energy transaction; an original block generation mode enables a blockchain to verify whether a transaction is legal, and needs the same calculation and storage cost for each account.According to the invention, targeted optimization is carried out on an electric energy transaction scene; according to the method, by modifying the merkle tree organization form, the account with thehigh priority is closest to the root node of the query when forming the block and can be found more quickly, and compared with the prior art, the method can achieve the purpose of reducing the calculation cost and has the characteristics of flexibility, simplicity and high practicability.

The invention relates to a method and device for determining position change of network equipment, computer equipment and a medium, and belongs to the field of positioning. The method comprises the following steps: receiving a first wireless fingerprint of a first terminal and a first position of the first terminal; if the distance between the first position and a second position corresponding toa target wireless fingerprint in the target fingerprint database is greater than a distance threshold, determining a data acquisition area comprising the first position based on the first position, the target wireless fingerprint being matched with the first wireless fingerprint; acquiring second wireless fingerprints of a plurality of second terminals in the data acquisition area; and determiningthe position change condition of the network equipment based on the number of the wireless fingerprints matched with the first wireless fingerprint in the second wireless fingerprints of the plurality of second terminals. By acquiring the wireless fingerprint of the terminal in the data acquisition area, the verification process is accelerated, the acquisition of useless information is reduced, and the verification efficiency is improved.

The invention provides a protection method and a protection system of a common gateway interface (CGI) business. The method comprises that a first CGI receives a first business request from a client side and sends encrypted strings to the client side, a second CGI receives a second business request from the client side and verifies whether the second business request includes the encrypted strings, if so, the verification is passed through, and a second business response is sent to the client side. The protection method and the protection system of the common gateway interface business can guarantee the safety of the common gateway interface business under the premise of reducing the number of the verification of verification codes.

The invention relates to a method for obtaining dependencies between process modules based on test cases. The method aims at solving the problems that verification efficiency is extremely low and there are a large number of redundant verification problems when a module m is larger due to the fact that orders of magnitude of the generated test cases generated by means of an exhaustion method are power series. The method includes the steps of 1, inputting and processing correct and erroneous test cases, wherein the test cases include all process modules; 2, generating a correlation matrix basedon the correct test cases and a first erroneous test case; 3, generating suspicious points according to a comparison matrix C; 4, generating the test cases based on the suspicious points and verifyingthe test cases; 5, removing the first erroneous test case; 6, determining whether or not the number of the erroneous test cases is 0; outputting operation results if the number is 0; executing the step 2 if the number is not 0. The method is used in the task block dependency determination field.

The invention discloses a message timeout determining method and device based on multi-processor system simulation. A multi-processor system comprises a plurality of message-level timers and a system-level timer; different message-level timers correspond to different messages; each message-level timer is used for recording the time interval of a corresponding message from sending to processing completion; and the system-level timer is used for recording the processing completion time interval of two sequentially processed messages. The method comprises the following steps of: monitoring the timing duration of all the started message-level timers and the timing duration of the started system-level timer; and determining message timeout if the fact that the timing duration of any message-level timer reaches a pre-set first threshold value or the timing duration of the system-level timer reaches a pre-set second threshold value is monitored. By means of the technical scheme provided in the embodiment of the invention, the timeout message judgement duration when the system is not in the worst condition can be effectively shortened; and thus, the verification duration is shortened.

The invention provides an automobile safety analog simulation automatic control processing method and system. The method includes: building corresponding automatic generation computer aided engineering (CAE) modules according to specific classification, obtaining CAD data according to the specific classification, guiding the obtained CAD data of each class into corresponding automatic generation CAE module, and associating the specific classes to achieve CAE whole vehicle assembly. By means of the technical scheme, the automobile safety analog simulation automatic control processing method and system achieves automatic analyzing and processing of automobile simulation safety verification, is high in efficiency, greatly shortens verification duration and accordingly effectively shortens development period of new model cars.

The invention discloses an emergency epidemic prevention system capable of switching modes, and particularly relates to the field of building construction, which comprises an access control system server, an access control unit, an emergency epidemic prevention system, a security monitoring system and a mode switching control system, the access control system server is internally provided with a two-dimensional code recognition system for scanning health codes, a color recognition system for distinguishing image color data, a voice interaction system for voice interaction and an access control data storage system for storing user data; the entrance guard master control system is used for controlling entrance guard recognition and opening and closing; and the emergency anti-epidemic equipment control system is used for controlling emergency anti-epidemic equipment. According to the invention, by designing the emergency epidemic prevention system and the mode switching control system, the security and protection system of the community has a function of cooperating with epidemic prevention work, and by designing the security and protection monitoring system, the field condition at the entrance guard is fed back to the entrance guard system server in real time, and an instruction signal from the entrance guard system server is received.

The invention relates to a propositional logic correcting and calculating method based on a representative model, comprising the following steps: (1) initiating a result set Lambda, accepting a set Sigma, a system set Gamma and a new representative model list (New Model List); (2) initiating a representative model list (Model List) by using all representative models of Sigma; (3) if the system set Gamma is an empty set, turning to step (8); (4) taking out and deleting a proposition A from Gamma; (5) constructing an alternative representative model set Prop Model of A by using A, Sigma and Model List; (6) carrying out verification to A by all alternative representative models in Prop Model one by one: if an alternative representative model M leads A to be true, storing M into New Model List; (7) if New Model List is not an empty set, assigning a value to Model List by using New Model List, resetting New Model List to be the empty set, storing A into Lambda and Sigma respectively, and turning to step (3); and if New Model List is an empty set, directly turning to step (3); and (8) outputting the result Lambda. In the method, the representative model is constructed according to every proposition condition in the system set, and a method for only verifying related models is used so as to reduce the checking times of models, thus improving the efficiency of correction and calculation.