CN116776341A - File management system for provider database - Google Patents
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- CN116776341A CN116776341A CN202310436032.5A CN202310436032A CN116776341A CN 116776341 A CN116776341 A CN 116776341A CN 202310436032 A CN202310436032 A CN 202310436032A CN 116776341 A CN116776341 A CN 116776341A
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- 238000012217 deletion Methods 0.000 claims description 14
- 230000037430 deletion Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 238000012163 sequencing technique Methods 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 8
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 3
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/11—File system administration, e.g. details of archiving or snapshots
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/16—File or folder operations, e.g. details of user interfaces specifically adapted to file systems
- G06F16/162—Delete operations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2107—File encryption
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The application discloses a file management system for a database of a provider, which relates to the technical field of file management, and solves the technical problems that the original logic of a file is disturbed and the encryption effect is improved when the file stored in the database is not encrypted, different storage files are encrypted by adopting the storage rate, the corresponding storage rate is recorded, the encryption logics of the different storage files are the same, but the file segmentation of the different storage areas and the capacity value of a micro-segment data stream are different, when an external person steals the file, the encryption logics are difficult to analyze and identify through the storage mode of the different storage areas, the overall encryption effect of the database of the provider is enhanced to a certain extent, the overall management effect of the file is enhanced at the same time, the file with a designated mark stored in the database is deleted according to the decryption times recorded by a record analysis unit and analyzed, and the storage space time of the database is ensured to be in a non-full state.
Description
Technical Field
The application belongs to the technical field of file management, and particularly relates to a file management system for a provider database.
Background
A database is a "repository" that organizes, stores, and manages data according to a data structure, and is a collection of large amounts of data that are stored in a computer for a long period of time, organized, sharable, and uniformly managed.
The application of patent publication number CN100498766C relates to a database-based mass file management system and method for a cluster system, the system comprising: the method comprises the following steps of: using a file metadata management approach independent of the cluster node file system; a database technology is introduced in the management of file metadata, so that a user can quickly search and locate required files in mass files; storing the position information of the file in a database, so that a user can access the file through the database only; aiming at the current tree-structured file system, a method for storing the file by dividing the whole path into two parts is realized to reduce redundancy; a method for managing logical views of files independent of physical files is realized.
When the provider database manages files, the provider database needs to encrypt the files corresponding to the appointed files, so that the internal files are prevented from being stolen by external personnel, keys or other encryption modes are set in the specific encryption process, but the encryption modes are regular and can be circulated, the external personnel can take time to crack the keys, so that the corresponding file data are stolen, the files stored in the database are not encrypted, the original logic of the files is disturbed, and the encryption effect is improved.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art; therefore, the application provides a file management system for a provider database, which is used for solving the technical problem that the original logic of the file is disturbed and the encryption effect is improved without encrypting the file stored in the database.
To achieve the above object, an embodiment according to a first aspect of the present application provides a file management system for a vendor database, including a parameter acquisition unit, a file management center, and a display unit;
the file management center comprises a graph construction unit, a pre-storing unit, an encryption unit, a database, a decryption unit, a record analysis unit and a self-adaptive deletion unit;
the parameter acquisition unit is used for acquiring storage rate parameters generated in the file storage process, transmitting the acquired storage rate parameters to the file management center, and storing files to be stored in the database;
the graph construction unit is used for receiving the storage rate parameters acquired by the parameter acquisition unit and constructing a corresponding curve graph according to the received storage rate parameters in different time periods, and the specific mode is as follows:
marking storage rate parameters corresponding to different time points as SL according to the time trend i Wherein i represents different points in time;
taking different time points as horizontal coordinate axes, taking a storage rate parameter as vertical coordinate axes, and passing through a storage rate parameter SL i Constructing a curve graph, and transmitting the constructed curve graph to a pre-storing unit and an encrypting unit, wherein the pre-storing unit stores the curve graph corresponding to each group of different files, wherein the curve graph is storedDifferent file numbers are arranged at the storage positions;
the encryption unit encrypts the file stored in the database according to the constructed curve graph to divide the file into k groups of micro-segment data streams, and re-stores the encrypted k groups of micro-segment data streams in the original storage area of the file, wherein the specific mode is as follows:
selecting a file corresponding to the curve graph from a database, marking the file as a file to be encrypted, extracting a plurality of peaks appearing in the curve graph, and marking the extracted peaks as FZ k Where k represents different peaks, k=1, 2, … …, n;
sets of peak FZ k Performing ratio analysis to obtain corresponding peak FZ k The corresponding ratio BZ k ；
Acquiring the total capacity parameter of the file data, marking the total capacity parameter as RL, and then comparing a plurality of groups of ratios BZ k Summing to obtain scores to be distributed FS, and obtaining equipartition capacity JF corresponding to each group of scores to be distributed by using RL/FS=JF;
according to specific k values, dividing corresponding file data into k groups of micro-segment data streams, and controlling the capacity of k groups of different micro-segment data streams at BZ k If the data capacity values are the same, performing front-back sequence marking on the same micro-segment data stream, wherein the front-back sequence marking adopts corresponding Arabic numerals, and the smaller the numbers of the front-back sequence marking are, the more front is;
k groups of micro-segment data streams with different capacity values after being divided are stored in the original storage area position of the file;
the decryption unit extracts a corresponding curve graph from the pre-storing unit according to the determined file number, determines a storage area of the file from the database, extracts k groups of micro-segment data streams in the storage area, decrypts the k groups of micro-segment data streams, and combines the k groups of micro-segment data streams to obtain original file data, wherein the specific mode is as follows:
extracting a curve graph pre-stored in a pre-storing unit according to the file number, extracting a plurality of groups of peak values from the extracted curve graph, and comparing the plurality of groups of peak values according to time sequence to obtain a plurality of groups of sequencing ratios;
analyzing whether the same ratio exists in the sorting ratio, if so, generating a front-back sequence mark extraction signal, extracting corresponding front-back sequence marks from k groups of micro-segment data streams, and prioritizing the corresponding micro-segment data streams according to the front-back sequence marks;
after the priority ordering is completed, carrying out data capacity ratio analysis on k groups of micro-segment data streams according to the data capacities of different micro-segment data streams to obtain a comparison value to be compared;
and adjusting the comparison value to be compared through the sequencing ratio, adjusting the corresponding k groups of micro-segment data streams according to the adjustment sequence, merging to obtain original file data, and transmitting the obtained file data into a display unit for display.
Preferably, the record analysis unit analyzes the decryption times of the files stored in the database, determines whether the stored files need to be deleted according to the decryption times of different files, generates a deletion signal, and transmits the deletion signal to the adaptive deletion unit, and the specific mode is as follows:
extracting the decryption times of files stored in the database for more than 20 months, limiting 10 groups of monitoring periods T, and marking the decryption times of corresponding files in each monitoring period T as CS M-t Wherein M represents different files, t represents different monitoring periods, and t=1, 2, … …, M;
by usingObtain ranking parameter PC M Wherein C1 and C2 are both preset fixed coefficient factors;
according to the ranking parameter PC M And sequencing a plurality of groups of files, marking the L groups of files positioned at the tail, generating a deleting signal, and transmitting the deleting signal to the self-adaptive deleting unit.
Furthermore, the self-adaptive deleting unit deletes the file with the appointed mark stored in the database according to the mark and the deleting signal sent by the record analyzing unit.
Compared with the prior art, the application has the beneficial effects that: encrypting different storage files by adopting storage rates, and recording corresponding storage rates, wherein the encryption logics of the different storage files are the same, but the file segments of different storage areas and the capacity values of micro-segment data streams are different;
and deleting the files with the specified marks stored in the database according to the decryption times recorded by the record analysis unit and analyzing the decryption times, so as to ensure that the storage space of the database is in a state of no fullness at all times, and storing the files to be stored.
Drawings
Fig. 1 is a schematic diagram of a principle frame of the present application.
Detailed Description
The technical solutions of the present application will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1, the present application provides a file management system for a provider database, which includes a parameter acquisition unit, a file management center, and a display unit;
the parameter acquisition unit is electrically connected with the input end of the file management center, and the file management center is electrically connected with the input end of the display unit;
the file management center comprises a graph construction unit, a pre-storing unit, an encryption unit, a database, a decryption unit, a record analysis unit and an adaptive deletion unit, wherein the graph construction unit is respectively and electrically connected with the input ends of the pre-storing unit and the encryption unit, the encryption unit is in bidirectional connection with the database, the database is electrically connected with the input end of the decryption unit, the decryption unit is electrically connected with the input end of the record analysis unit, the record analysis unit is electrically connected with the input end of the adaptive deletion unit, and the adaptive deletion unit is electrically connected with the input end of the database;
the parameter acquisition unit is used for acquiring storage rate parameters generated in the file storage process, transmitting the acquired storage rate parameters to the file management center, and storing files to be stored in the database;
the graph construction unit is used for receiving the storage rate parameters acquired by the parameter acquisition unit and constructing a corresponding curve graph according to the received storage rate parameters in different time periods, wherein the specific mode for constructing the curve graph is as follows:
marking storage rate parameters corresponding to different time points as SL according to the time trend i Wherein i represents different time points, wherein each time point is separated by 1 second;
taking different time points as horizontal coordinate axes, taking a storage rate parameter as vertical coordinate axes, and passing through a storage rate parameter SL i And constructing the curve graph, and transmitting the constructed curve graph into a pre-storing unit and an encrypting unit, wherein the pre-storing unit stores the curve graph corresponding to each group of different files, and different file numbers are arranged at storage positions.
In combination with the analysis of the actual application scene, the storage rate of the file is possibly influenced by external or internal influence factors when the file is stored, so that the storage rate can be in a fluctuation state, a corresponding rate wave curve is constructed according to a fluctuation value and a time trend generated in the fluctuation process, a plurality of groups of peak values are confirmed according to the fluctuation peak value of the rate wave curve, and subsequent processing is carried out.
The encrypting unit encrypts the file appointed in the database according to the constructed curve graph, and stores the encrypted file in the original storage area position of the file again, wherein the specific mode of encrypting is as follows:
selecting a file corresponding to the curve graph from a database, marking the file as a file to be encrypted, extracting a plurality of peaks appearing in the curve graph, and marking the extracted peaks as FZ k Where k represents different peaks, k=1, 2, … …, n, in particular, there will be up and down floating states within the graph, and there will be a specific set of peaks in a set of up and down floating states;
sets of peak FZ k Performing ratio analysis to obtain corresponding peak FZ k The corresponding ratio BZ k ；
Acquiring the total capacity parameter of the file data, marking the total capacity parameter as RL, and then comparing a plurality of groups of ratios BZ k Summing to obtain scores to be distributed FS, and obtaining equipartition capacity JF corresponding to each group of scores to be distributed by using RL/FS=JF;
according to specific k values, dividing corresponding file data into k groups of micro-segment data streams, and controlling the capacity of k groups of different micro-segment data streams at BZ k If the data capacity values are the same, the xJF performs front-back sequence marking on the same micro-segment data stream, the front-back sequence marking adopts corresponding Arabic numerals, the smaller the front-back sequence marking number is, the more front is, when k is 1, the micro-segment data stream is represented as a first group of data stream, and the capacity value of the micro-segment data stream is BZ 1 ×JF；
And storing the k groups of micro-segment data streams with different capacity values after being divided at the original storage area position of the file.
In combination with actual application scene analysis, three groups of peaks exist in the curve graph of the corresponding file, the three groups of peaks are 15, 20 and 15 respectively, and ratio analysis is carried out on the three groups of peaks to obtain a plurality of groups of ratios: 3:4:3, summing the three groups of ratios to obtain a score to be distributed 10;
the data capacity value of the original file is 200M, and the 200M is equally divided through the score to be distributed 10 to obtain an equally divided capacity 20M;
dividing the file data stream into three groups of micro-segment data streams according to the three groups of peak values, wherein the three groups of data capacities of the three groups of micro-segment data streams are respectively 60, 80 and 60;
the first group of micro-segment data streams and the third group of micro-segment data streams have the same data capacity, so that sequential marking is adopted to mark the first group of micro-segment data streams and the third group of micro-segment data streams, and subsequent merging is facilitated.
The decryption unit extracts a corresponding curve graph from the pre-storing unit according to the determined file number, determines a storage area of the file from the database, extracts k groups of micro-segment data streams in the storage area, decrypts the k groups of micro-segment data streams, and combines the k groups of micro-segment data streams to obtain original file data, wherein the specific mode of combining is as follows:
extracting a curve graph pre-stored in a pre-storing unit according to the file number, extracting a plurality of groups of peak values from the extracted curve graph, and comparing the plurality of groups of peak values according to time sequence to obtain a plurality of groups of sequencing ratios;
analyzing whether the same ratio exists in the sorting ratio, if so, generating a front-back sequence mark extraction signal, extracting corresponding front-back sequence marks from k groups of micro-segment data streams, and prioritizing the corresponding micro-segment data streams according to the front-back sequence marks;
after the priority ordering is completed, carrying out data capacity ratio analysis on k groups of micro-segment data streams according to the data capacities of different micro-segment data streams to obtain a comparison value to be compared;
and adjusting the comparison value to be compared through the sequencing ratio, adjusting the corresponding k groups of micro-segment data streams according to the adjustment sequence, merging to obtain original file data, and transmitting the obtained file data into a display unit for display.
By combining with actual application scene analysis, extracting corresponding curve graphs in advance, analyzing corresponding peaks, carrying out ratio analysis, confirming sequencing ratio, and then merging and integrating k groups of micro-segment data streams according to the comparison value to be compared of the data capacity to obtain original file data;
the method comprises the steps of encrypting different storage files by adopting the storage rate, recording the corresponding storage rate, wherein the encryption logic of the different storage files is the same, but the file segmentation of different storage areas and the capacity value of micro-segment data streams are different, so that when an external person steals the files, the encryption logic is difficult to analyze and identify in a storage mode of the different storage areas, the integral encryption effect of a database of a provider is enhanced to a certain extent, and the integral management effect of the files is enhanced.
The record analysis unit analyzes the decryption times of the files stored in the database, judges whether the stored files need to be deleted according to the different decryption times of different files, generates a deleting signal, and transmits the deleting signal to the self-adaptive deleting unit, wherein the specific mode for generating the deleting signal is as follows:
extracting the decryption times of files stored in the database for more than 20 months, limiting 10 groups of monitoring periods T, wherein the T takes a value of 2 months, and marking the decryption times of the corresponding files in each monitoring period T as CS M-t Wherein M represents different files, t represents different monitoring periods, and t=1, 2, … …, M, and M takes a value of 10;
by usingObtain ranking parameter PC M Wherein, C1 and C2 are both preset fixed coefficient factors, and the specific values are all drawn by operators according to experience;
according to the ranking parameter PC M And sequencing a plurality of groups of files, marking the L groups of files positioned at the tail, generating a deleting signal, and transmitting the deleting signal into the self-adaptive deleting unit, wherein L is a preset value, and the specific value is determined by an operator according to experience.
The self-adaptive deleting unit deletes the files with the appointed marks stored in the database according to the marks and the deleting signals sent by the record analyzing unit so as to ensure that the storage space of the database is in a non-full state at any time and store the files to be stored.
The partial data in the formula are all obtained by removing dimension and taking the numerical value for calculation, and the formula is a formula closest to the real situation obtained by simulating a large amount of collected data through software; the preset parameters and the preset threshold values in the formula are set by those skilled in the art according to actual conditions or are obtained through mass data simulation.
The above embodiments are only for illustrating the technical method of the present application and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present application may be modified or substituted without departing from the spirit and scope of the technical method of the present application.
Claims (7)
1. The file management system for the provider database is characterized by comprising a parameter acquisition unit, a file management center and a display unit;
the file management center comprises a graph construction unit, a pre-storing unit, an encryption unit, a database, a decryption unit, a record analysis unit and a self-adaptive deletion unit;
the parameter acquisition unit is used for acquiring storage rate parameters generated in the file storage process, transmitting the acquired storage rate parameters to the file management center, and storing files to be stored in the database;
the graph construction unit is used for receiving the storage rate parameters acquired by the parameter acquisition unit and constructing a corresponding curve graph according to the received storage rate parameters in different time periods;
the encryption unit encrypts a file stored in the database according to the constructed curve graph, so that the file is divided into k groups of micro-segment data streams, and the encrypted k groups of micro-segment data streams are restored in the original storage area of the file;
and the decryption unit extracts a corresponding curve graph from the pre-storing unit according to the determined file number, determines a storage area of the file from the database, extracts k groups of micro-segment data streams in the storage area, decrypts the k groups of micro-segment data streams, and combines the k groups of micro-segment data streams to obtain original file data.
2. The file management system for a provider database according to claim 1, wherein the graphic construction unit constructs the curve graphic in a specific manner of:
marking storage rate parameters corresponding to different time points as SL according to the time trend i Wherein i represents different points in time;
taking different time points as horizontal coordinate axes, taking a storage rate parameter as vertical coordinate axes, and passing through a storage rate parameter SL i And constructing the curve graph, and transmitting the constructed curve graph into a pre-storing unit and an encrypting unit, wherein the pre-storing unit stores the curve graph corresponding to each group of different files, and different file numbers are arranged at storage positions.
3. The file management system for a provider database according to claim 2, wherein the encrypting unit encrypts the specified file stored in the database in such a manner that:
selecting a file corresponding to the curve graph from a database, marking the file as a file to be encrypted, extracting a plurality of peaks appearing in the curve graph, and marking the extracted peaks as FZ k Where k represents different peaks, k=1, 2, … …, n;
sets of peak FZ k Performing ratio analysis to obtain corresponding peak FZ k The corresponding ratio BZ k ；
Acquiring the total capacity parameter of the file data, marking the total capacity parameter as RL, and then comparing a plurality of groups of ratios BZ k Summing to obtain scores to be distributed FS, and obtaining equipartition capacity JF corresponding to each group of scores to be distributed by using RL/FS=JF;
according to specific k values, dividing corresponding file data into k groups of micro-segment data streams, and controlling the capacity of k groups of different micro-segment data streams at BZ k If the data capacity values are the same, the same micro-segment data stream is marked in sequence, and the corresponding AX is adopted for the front-back sequence markingThe smaller the number of the sequence mark, the more forward the number of the Arabic number is;
and storing the k groups of micro-segment data streams with different capacity values after being divided at the original storage area position of the file.
4. A file management system for a provider database according to claim 3, wherein said decryption unit merges k groups of micro-segment data streams in the following manner:
extracting a curve graph pre-stored in a pre-storing unit according to the file number, extracting a plurality of groups of peak values from the extracted curve graph, and comparing the plurality of groups of peak values according to time sequence to obtain a plurality of groups of sequencing ratios;
analyzing whether the same ratio exists in the sorting ratio, if so, generating a front-back sequence mark extraction signal, extracting corresponding front-back sequence marks from k groups of micro-segment data streams, and prioritizing the corresponding micro-segment data streams according to the front-back sequence marks;
after the priority ordering is completed, carrying out data capacity ratio analysis on k groups of micro-segment data streams according to the data capacities of different micro-segment data streams to obtain a comparison value to be compared;
and adjusting the comparison value to be compared through the sequencing ratio, adjusting the corresponding k groups of micro-segment data streams according to the adjustment sequence, merging to obtain original file data, and transmitting the obtained file data into a display unit for display.
5. The file management system for a provider database according to claim 1, wherein the record analysis unit analyzes the number of decryption times of files stored in the database, determines whether the stored files need to be deleted according to the difference of the number of decryption times of different files, generates a deletion signal, and transmits the deletion signal to the adaptive deletion unit.
6. The file management system for a provider database according to claim 5, wherein said record analysis unit generates the deletion signal in the specific manner of:
extracting the decryption times of files stored in the database for more than 20 months, limiting 10 groups of monitoring periods T, and marking the decryption times of corresponding files in each monitoring period T as CS M-t Wherein M represents different files, t represents different monitoring periods, and t=1, 2, … …, M;
by usingObtain ranking parameter PC M Wherein C1 and C2 are both preset fixed coefficient factors;
according to the ranking parameter PC M And sequencing a plurality of groups of files, marking the L groups of files positioned at the tail, generating a deleting signal, and transmitting the deleting signal to the self-adaptive deleting unit.
7. The file management system for a provider database according to claim 6, wherein the adaptive deletion unit deletes the file with the specified flag stored in the database based on the flag and the deletion signal transmitted from the record analysis unit.
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