48results about How to "Avoid parity" patented technology

The invention provides a method for deleting repeated data by using double-fingerprint hash check. The method comprises the following steps of: dividing an object to be backed up into data blocks to be backed up with equal lengths; judging whether the weak fingerprint of one of the data blocks to be backed up is the same as the weak fingerprint of any data block in a server; if the weak fingerprint of one of the data blocks to be backed up is different from the weak fingerprint of any data block in the server, backing up the data block; if the weak fingerprint of one of the data blocks to be backed up is the same as the weak fingerprint of any data block in the server, judging whether the strong fingerprint of the data block is the same as the strong fingerprint of any data block in the server; if the strong fingerprint of the data block is different from the strong fingerprint of any data block in the server, backing up the data block; and performing the operation on all data blocks to be backed up. In the method for deleting the repeated data, a hash function with low calculation amount is adopted at the first time to perform weak check on every data block and a has function with high calculation amount is adopted then to perform strong check, so the problem that all the data are checked by the hash function with the high calculation amount is avoided, the fingerprint calculation amount during checking is reduced greatly, the series performance is enhanced, and the appreciable transmission performance is provided for data backup based on mass data storage.

The invention discloses a checksum-based data verification method. The method comprises the following steps of: receiving a data reading request, and reading data D which is stored at a correspondingposition and verification data which is written when the data D is written, wherein the verification data at least comprises a data version number DV, a storage checksum C and a checksum version number CV; judging whether the data version number DV is equal to the checksum version number CV or not; if the judging result is positive, generating a current checksum C1 of the data D, and otherwise, exiting the data verification; and judging whether the current checksum C1 is equal to the storage checksum C or not, if the judging result is positive, returning the data D, and otherwise, carrying outerror report. The invention furthermore discloses a checksum-based data verification device and a computer readable storage medium. According to the method, the device and the computer readable storage medium, erroneous judgement of checksums can be effectively detected and avoided, the precision of detecting data errors by using checksums is improved, and the negative effects on systems are decreased.

The embodiment of the invention discloses a reminding method and apparatus, a terminal and a storage medium. The method comprises the following steps: obtaining number information and/or current voiceinformation corresponding to a dialing user, and determining a security level of a dialing terminal corresponding to the dialing user based on the number information and/or the current voice information; when the current security level is determined, establishing a communication path corresponding to the dialing terminal, so that the dialing user makes a call with an answering user of an answering terminal through the communication path; and recording call information in a call process, sending the call information within a preset time and the security level to a control terminal, so that a control user of the control terminal verifies the identity of the dialing user according to the security level and the call information, and feeds back a verification result to the answering terminal;and receiving the verification result fed back by the control terminal, and reminding the answering user according to the verification result. By adoption of the scheme, the technical effect of reminding the user effectively in time is achieved.

The embodiment of the invention discloses a contract file risk verification method and device, a computer device and a storage medium, and the method comprises the steps: obtaining a contract file, and carrying out the splitting of a contract text through a preset splitting rule, so as to obtain a plurality of short sentences; classifying the plurality of short sentences according to a preset training model, and determining a plurality of target short sentences meeting a target preset dimension from the plurality of classified short sentences; combining the plurality of determined target shortsentences meeting the target preset dimension; and performing risk verification on the combined target short statements by using a preset verification rule, determining a risk statement of the contract text, and displaying the current risk statement in a current display page. According to the contract file risk verification method based on data processing, risk verification of the contract text is realized, and use of a contract with risks by an enterprise is avoided.

The invention discloses a product configuration data monitoring method and device, an apparatus and a storage medium, and relates to the field of financial technology. The method comprises the following steps of when a parameter configuration instruction is received, carrying out parameter verification on a current configuration parameter according to a verification rule corresponding to the current configuration parameter in a parameter configuration instruction, and giving an alarm on a parameter with an abnormal verification result; and according to each verification rule in the preset rule chain and the preset rule operation frequency, carrying out timing cycle verification on the product configuration data corresponding to the product, and giving an alarm on the parameters with the abnormal verification results so as to monitor the product configuration data. According to the method, the current configuration parameters are firstly verified in real time, and then the product configuration data of the product is periodically and repeatedly verified in a circulating mode, so that the verification of some configuration parameters is prevented from being omitted, the problem data is prevented from being generated, the accuracy of the financial technology product configuration data is improved, and the manual operation is reduced.

The invention discloses a quick adjustment technology for gaps between grinding rollers of a coal mill and a liner plate of a grinding bowl, and belongs to the technical field of maintenance technologies of coal mills. The quick adjustment technology is used for quickly adjusting the gaps between the grinding rollers and the liner plate of the grinding bowl. According to the quick adjustment technology, the gaps between the grinding rollers of the bowl type coal mill and the liner plate of the grinding bowl are limited through asbestos boards, the grinding rollers go down slowly till the grinding rollers make contact with the asbestos boards and the asbestos boards slightly resist pulling, then, the gaps between the grinding rollers and the liner plate of the grinding bowl are limited within the needed gaps, and therefore, the gaps between the grinding rollers and the liner plate of the grinding bowl are quickly adjusted. The quick adjustment technology for the gaps between the grinding rollers of the coal mill and the liner plate of the grinding bowl is innovative in the industry; the process is simplified, and the adjustment process is completed in one step; the tedious measurement and adjustment process is avoided; maintenance time is shortened, and the labor efficiency of maintainers is improved; the continuous workability of a coal pulverizing system is improved, and it is guaranteed that the whole production process is smooth; and the quick adjustment technology provides guarantees for high-efficiency production of enterprises, has remarkable economic benefits and has great application and popularization value.

Disclosed is a method for generating a secret or a key in a network (20). The network (20) comprises at least a first subscriber (21) and a second subscriber (22) and a common transmission channel (30) between at least the first (21) and second subscribers (22). The first subscriber (21) can output at least a first value (1) and a second value (0) and the second subscriber (22) can output at leastthe first value (1) and the second value (0) on the transmission channel, the first subscriber (21) generating a first sequence of subscriber values and the second subscriber (22) generating a secondsequence of subscriber values in order for the transmission to occur largely synchronously on the transmission channel (30); and the first subscriber (21) and the second subscriber (22) each generatea common secret or a common key, the first subscriber (21) doing so on the basis of information about the first sequence of subscriber values and on the basis of a sequence of superposed values resulting from a superposition of the second sequence of subscriber values onto the first sequence of subscriber values on the transmission channel (30), and the second subscriber (22) doing so on the basis of information about the second sequence of subscriber values and on the basis of the sequence of superposed values resulting from the superposition of the second sequence of subscriber values ontothe first sequence of subscriber values on the transmission channel (30). At least the first subscriber (21) and the second subscriber (22) determine a sequence of test values in accordance with the resulting sequence of superposed values and output same on the transmission channel (30).

The embodiment of the invention provides a verification method for data destruction of storage medium. The method comprises the following steps of: destructing data of a target storage medium to be subjected to data destruction; extracting and generating a first encryption electronic feature code according to data destruction feature information of the target storage medium and extracting and generating a second encryption electronic feature code according to inherent attribute information of the target storage medium; based on a preset encryption algorithm, performing combined encryption on the first encryption electronic feature code and the second encryption electronic feature code, and generating a verification ciphertext sequence and writing the sequence into a specified verification storage area in the target storage medium; while verifying and checking, decrypting the verification ciphertext sequence in the verification storage area, and checking the generated decryption result with display information on the storage medium to verify the data destruction information of the target storage medium. With the method provided by the invention, by technological means, an existing problem of data leakage caused by artificial negligence or deliberate inaccuracy of verification can be solved.

The embodiment of the invention provides a method and a device for searching based on mobile equipment. The method comprises the following steps: transmitting a search request to a search engine in the mobile equipment; receiving a search result page returned by the search engine aiming at the search request, wherein the search result page comprises one or more data block objects, and each data block object has a characteristic region; displaying the one or more data block objects according to a screen size of the mobile equipment; acquiring one or more pieces of comment information corresponding to the data block objects to which the characteristic regions belong when the characteristic regions are triggered; displaying the one or more pieces of comment information. According to the embodiment of the invention, the user time and the energy consumption are reduced, the system resource consumption of the mobile equipment and other websites is also reduced, the occupation of network bandwidth is also reduced, and the efficiency, the quality and the capacity for acquiring the information are greatly improved.

The invention discloses a sand casting production technology. The sand casting production technology comprises the following specific steps: raw material inspection, core making, shaping, mold matching, melting and pouring, in-mold cooling, shake-out, heat treatment, cleaning and polishing, casting examination, machining, deburring, rough cleaning, pressure testing, final inspection, final cleaning and putting in storage. With adoption of the technology, multiple inspection procedures such as raw material inspection, mold matching, casting examination, pressure testing and final inspection areperformed respectively, so that manufacturing precision and quality can be monitored in the whole production process of castings, and production of defective products is prevented; meanwhile, the mold is manufactured through front procedures of core making and shaping, so that the mold is produced specially for batch products, and production efficiency of a production line is increased greatly.

The invention discloses a data processing method and device based on multiple verification and a storage medium. The method includes: acquiring a data reading instruction, and reading first copy information from a first target node according to the reading instruction, wherein the first copy information includes first copy data and a first checksum corresponding to the first copy data; extractingthe first copy data from the first copy information, and generating a second checksum according to the first copy data; reading second copy information from a second target node when the first checksum and the second checksum do not meet a first preset condition; and comparing the second copy information and the first copy information, and adjusting the first copy information according to a comparison result. According to the method, checksum misjudgment can be effectively detected and avoided through multiple verification on multiple copies, precision of using the checksums to detect data errors can be improved, and negative impacts on a system can be reduced.

The invention provides an application security protection method, an application client and an ACR server, and the application security protection method comprises the steps: sending application client information to the ACR server; receiving a random key sent by the ACR server and a pre-stored check file list; according to the random key and the check file list, encrypting the check file list togenerate a first encrypted information list; sending the first encrypted information list to an ACR server for verification; after the ACR server passes the verification, generating a first admissionidentifier according to the first encryption information list and storing the first admission identifier; and when needing to be connected with the APP server, sending the first admission identifier and the application client information to the APP server for verification. According to the embodiment of the invention, through a dual-verification mode, a hacker is prevented from obtaining sensitiveinformation of a user or disseminating illegal information by cracking an application client, so that the information security of the user is protected.

The invention discloses a parity check bit generation method and device of a Polar code and a readable storage medium. The method comprises: detecting whether there are N target PC bits with the samecheck information bits or not in a generated PC-CA-Polar code; when it is detected that N target PC bits exist, determining target information bits associated with N-1 target PC bits in sequence, comprising: adjusting the information bit associated with the ith target PC bit, the adjusted information bit associated with the ith target PC bit not overlapping with the information bit associated withthe PC bit before the ith target PC bit; and selecting X information bits satisfying a preset condition from the adjusted information bits associated with the ith target PC bit as target informationbits associated with the ith target PC bit. According to the scheme, the situation that different PC bits in the PC-CA-Polar code verify the same information bit can be effectively avoided.