CN110795764A - Data desensitization method and system - Google Patents
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Abstract
The invention provides a data desensitization method and a data desensitization system, wherein the method comprises the following steps: under the environment of a host computer, dividing and exporting original data in a tape library to obtain a file to be desensitized; desensitizing the file to be desensitized; receiving the desensitized file through the data exchange server, and deleting the corresponding desensitized file in the host environment after receiving the desensitized file; and in the target environment, receiving the desensitized file sent by the data exchange server, importing the desensitized file into a database in the target environment, and deleting the corresponding desensitized file in the data exchange server after receiving is finished. The data desensitization method and the data desensitization system occupy less resources in the desensitization process, can save the storage space of a host environment, a data exchange server and a target environment, can improve the data desensitization efficiency, and saves the time cost.
Description
Technical Field
The invention relates to the technical field of data desensitization, in particular to a data desensitization method and a data desensitization system.
Background
Based on regulatory requirements, data for development and testing needs desensitization processing. The majority of large-scale bank core business systems are application systems based on a host, and massive business data are stored on the host. As shown in fig. 1, since the supervision requires the production system to be separated from the development and test system network, data desensitization cannot be performed through direct "library-to-library" of production database to development and test database. Therefore, the existing data desensitization method is to establish a host environment, establish a dedicated database in the host environment, and restore data from the tape library to the dedicated database. And then desensitizing the sensitive data by using an operating data desensitizing program, exporting desensitizing data in the special database into a file to be transmitted to a data exchange server, and loading the desensitizing data into a target environment database for use or backup tape delivery after target environments such as development, test and the like acquire the desensitizing data from the data exchange server.
By adopting the scheme, a set of host environment (including a database environment) needs to be established independently for desensitization, a large number of host resources (storage, CPU and memory) need to be occupied, and the data exchange server also needs to store mass data. This environment does not serve other purposes when desensitization is performed. Since each link requires serial processing, the entire desensitization process takes a long time. The production is separated from the development test network according to the supervision requirement, the host environment cannot directly exchange data with the development and test environment, and only the data exchange server in the buffer area can carry out data interaction, so that the host environment, the data exchange server and the target environment need to additionally store and store mass data. Therefore, this solution requires a lot of host resources and time costs.
In view of the above, a data desensitization method with less occupied resources and high desensitization efficiency is needed.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a data desensitization method and a data desensitization system, in the desensitization process, a separate special database is not required to be established, compared with the prior art that a special database is established and then desensitization is carried out, the method and the system can directly desensitize files, and the desensitization efficiency is improved. The desensitization process of the method and the system can realize a dynamic and parallel processing mode, only a small amount of storage space is needed to store files, and after each step is completed and data is successfully downloaded to the next module, the intermediate files can be deleted, so that the resource occupied by the desensitization process is small.
In an embodiment of the present invention, a data desensitization method is provided, including:
under the environment of a host computer, dividing and exporting original data in a tape library to obtain a file to be desensitized;
desensitizing the file to be desensitized;
receiving the desensitized file through the data exchange server, and deleting the corresponding desensitized file in the host environment after receiving the desensitized file;
and under the target environment, receiving the desensitized file sent by the data exchange server, importing the desensitized file into a database under the target environment, and after the receiving is finished, deleting the corresponding desensitized file in the data exchange server.
In an embodiment of the present invention, a data desensitization system is further provided, including:
the data export module is used for exporting and dividing the original data in the tape library under the environment of the host computer to obtain a file to be desensitized;
the data desensitization module is used for desensitizing the file to be desensitized;
the data transmission module is arranged on the data exchange server and used for receiving the desensitized file; after the data transmission module completes the receiving of the desensitized file, the data desensitization module deletes the corresponding desensitized file;
the desensitization data import module is used for receiving the desensitization files sent by the data exchange server and importing the desensitization files into a database in a target environment; and after the desensitization data import module finishes receiving the desensitized files, the data transmission module deletes the corresponding desensitized files.
In an embodiment of the present invention, a computer device is also presented, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the aforementioned data desensitization method when executing the computer program.
In an embodiment of the present invention, a computer-readable storage medium is also presented, which stores a computer program for executing the aforementioned data desensitization method.
The data desensitization method and the data desensitization system occupy less resources in the desensitization process, can save the storage space of a host environment, a data exchange server and a target environment, can improve the data desensitization efficiency, and saves the time cost.
Drawings
FIG. 1 is a prior art data desensitization architecture diagram.
Fig. 2 is a schematic diagram of a data desensitization application scenario according to an embodiment of the present invention.
FIG. 3 is a flow diagram of a data desensitization method according to an embodiment of the present invention.
Fig. 4 is a schematic diagram illustrating the steps of the data exchange server processing desensitized files according to an embodiment of the present invention.
FIG. 5 is a diagram illustrating the steps of processing a desensitized file in a target environment according to an embodiment of the present invention.
FIG. 6 is a schematic diagram of a data desensitization system architecture according to an embodiment of the present invention.
FIG. 7 is a schematic diagram of a data desensitization process according to an embodiment of the present invention.
Detailed Description
The principles and spirit of the present invention will be described with reference to a number of exemplary embodiments. It is understood that these embodiments are given solely for the purpose of enabling those skilled in the art to better understand and to practice the invention, and are not intended to limit the scope of the invention in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As will be appreciated by one skilled in the art, embodiments of the present invention may be embodied as a system, apparatus, device, method, or computer program product. Accordingly, the present disclosure may be embodied in the form of: entirely hardware, entirely software (including firmware, resident software, micro-code, etc.), or a combination of hardware and software.
The principles and spirit of the present invention are explained in detail below with reference to several representative embodiments of the invention.
Reference is first made to fig. 2, which illustrates an application scenario in which embodiments of the present invention may be implemented. As shown in fig. 2, first, in the hosting environment 210, production data backed up by a tape library is exported directly to a file by partition or by condition. Desensitize the sensitive data using a data desensitization program, and then transfer the desensitized file to the data exchange server 220. The target environment 230 (development environment or test environment) acquires the desensitized file from the data exchange server 220, and loads the desensitized file into a database for use. The data desensitization method does not need to establish a set of special host environment and database resource environment, and can be used in any host environment which can be connected with the tape library. In the hosting environment 210, since files are exported by partition or condition, the file size can be controlled; if the desensitized file has been successfully transferred to the data exchange server 220, the deletion can be performed, thus not requiring the occupation of significant host storage resources. Meanwhile, as shown in fig. 2, the processes of data export, desensitization and transmission can adopt a parallel processing mode, so that the whole work efficiency of desensitization is improved.
When a desensitized file in data exchange server 220 is successfully transferred to target environment 230, the corresponding desensitized file may be deleted. The target environment 230 imports the received desensitized file into a database for use, and after the import is completed, the corresponding desensitized file can also be deleted. By the desensitization processing mode, the storage space of each stage can be saved.
Under the application scene, a set of host resources (hundreds of TB storage) similar to production is not required to be established, only dozens of GB of storage is required at minimum under the host environment, the parallel processing can be realized, the time cost for restoring the magnetic tape into the database and exporting the bleached text from the database is not required, and the efficiency is greatly improved. The host environment does not need to be specially used for desensitization, and can be used for other purposes such as service drilling and the like.
In connection with the application scenario of fig. 2, a data desensitization method according to an exemplary embodiment of the present invention is described with reference to fig. 3.
As shown in fig. 3, the method includes:
step S1, in the host environment 210, the original data in the tape library is divided and exported to obtain the file to be desensitized. In this step, the hosting environment 210 does not need to establish a set of dedicated hosting environment and database resource environment, and any hosting environment that can be connected to the tape library can be used.
In one embodiment, the production data with library backup is exported, and is divided according to partitions and/or conditions and is exported to a file with a specified file name in sequence; the division according to the partition and/or the condition may be divided according to the partition data amount and/or the parallelism.
In the process of exporting the data with the library, when a file with a specified file name finishes data import, a file to be desensitized is obtained; if data import is carried out on a plurality of files at the same time, a plurality of files to be desensitized can be obtained, the processing efficiency is higher, but the occupied processor resources and the storage space are correspondingly larger.
And step S2, desensitizing the file to be desensitized.
In an embodiment, after obtaining a file to be desensitized in step S1, desensitizing the file immediately, and after desensitizing is completed, obtaining a corresponding desensitized file and sending the desensitized file to the data exchange server 220; the process can also desensitize a plurality of files to be desensitized simultaneously to improve the processing efficiency, but the occupied processor resources and the storage space are correspondingly larger.
In step S3, the desensitized file is received by the data exchange server 220, and after the receiving is completed, the corresponding desensitized file under the host environment 210 is deleted.
In an embodiment, the execution process of step S3 may be as shown in fig. 4, and specifically includes:
step S3001, the data exchange server 220 receives the desensitized file sent by the hosting environment 210; each file that has completed desensitization in step S2 corresponds to the receipt of a desensitized file.
Step S3002, determine whether the desensitized file has been received.
In step S3003, after the receiving is completed, the host environment 210 may be notified to execute a delete instruction, delete the corresponding desensitized file under the host environment 210, and release the storage space under the host environment 210.
Meanwhile, the data exchange server 220 may immediately send the desensitized file further to the target environment 230 after it is received.
Step S4, in the target environment 230, receives the desensitized file sent by the data exchange server 220, and imports the desensitized file into the database in the target environment 230, and after the receiving is completed, deletes the corresponding desensitized file in the data exchange server 220.
In an embodiment, the execution process of step S4 may be as shown in fig. 5, and specifically includes:
step S4001, receiving the desensitized file sent by the data exchange server 220 in the target environment 230; specifically, each time the data exchange server 220 receives a desensitized file in step S3, the desensitized file is immediately sent to the target environment 230, and accordingly, the target environment 230 receives the desensitized file accordingly.
Step S4002, determining whether the receiving of the desensitized file sent by the data exchange server 220 is completed.
Step S4003, after receiving, may notify the data exchange server 220, and the data exchange server 220 executes a delete instruction to delete the corresponding desensitized file and release the storage space of the data exchange server 220.
Step S4004, import the desensitized file to the database.
In step S5, it is determined whether or not the desensitized file import into the database in the target environment 230 is completed.
After the desensitized file is imported into the database in the target environment 230, the target environment 230 executes a delete instruction to delete the desensitized file received by the target environment and sent by the data exchange server 220.
According to the step S1 and the step S2, if a plurality of desensitization files are generated and transmitted simultaneously, the steps S3 to the step S5 can also perform synchronous transmission, import and deletion on the desensitization files, so that the processing efficiency is higher, but the occupied processor resources and the occupied storage space are correspondingly larger.
The export, desensitization, transmission, import and deletion processes of the steps S1 to S5 can adopt a parallel processing mode, namely the steps can be simultaneously processed in parallel, and each time a file is exported, the subsequent steps are immediately carried out, so that the overall efficiency of desensitization processing can be improved, and the storage space is saved.
The data desensitization method provided by the invention can divide the original data in the tape library according to the parallelism and the actual data volume of a larger partition according to the actual requirement under the host environment. After planning is finished, original data can be exported to N files with specified file names in parallel, each imported file immediately and automatically invokes data desensitization, desensitization is carried out on the imported file according to desensitization rules, data transmission is automatically invoked after desensitization is finished, and the files are transmitted to a data exchange server. When the desensitized file has been completely transferred to the data exchange server (the data exchange server acknowledges that the file has been completely received), the file is deleted to free up storage space in the hosting environment. Because the desensitization program directly desensitizes the file, compared with the prior art in which desensitization is carried out in a special database, the execution efficiency of the desensitization program is greatly improved.
When the data exchange server receives the desensitization file transmitted by the host environment, and judges that the desensitization file is completely received, the file is transmitted to a data demand party, namely a target environment, such as a test or development environment of a desensitization data user, and when the file is completely transmitted to the target environment (the target environment confirms that the file is completely received), the file is deleted, so that the storage space of the data exchange server is released.
And under the target environment, further starting an import operation, importing the received desensitization file into a database, and deleting the desensitization file after the import is confirmed to be finished so as to release the storage space of the target environment.
The whole process is dynamically and synchronously executed, and the processes of data export, desensitization, transmission, deletion, file import and the like can be executed in parallel. According to the current environment resource condition, the parallelism can be adjusted, so that the storage resources of a host environment, a data exchange server and a target environment can be greatly saved, and the overall processing efficiency of data desensitization can be improved.
Based on the same inventive concept, the present invention also provides a data desensitization system, as shown in fig. 6, comprising: a data export module 601, a data desensitization module 602, a data transmission module 603, and a desensitization data import module 604. Wherein the content of the first and second substances,
and the data export module 601 is configured to export and divide the original data in the tape library in a host environment to obtain a file to be desensitized.
In one embodiment, the data export module 601 may use a tape library import tool to export tape library data tables to the host SAM file by partition, condition. The data desensitization module 602 can be automatically called up immediately after the files are imported into the files.
And the data desensitization module 602 is used for desensitizing the file to be desensitized.
In an embodiment, the data desensitization module 602 desensitizes the import file according to a desensitization rule, and after desensitization is completed, automatically invokes the data transmission module 603, and transmits the desensitization file to the data transmission module 603. If the desensitized file has been completely transferred to the data transfer module 603, the file is deleted to free up host storage space. Because the desensitization program directly desensitizes the file, the execution efficiency of the desensitization program is greatly improved compared with the desensitization program which is performed in a special database.
The data transmission module 603 is arranged in the data exchange server and is used for receiving the desensitized file; after the data transmission module 603 completes receiving the desensitized file, it notifies the data desensitization module 602, and the data desensitization module 602 deletes the corresponding desensitized file.
In an embodiment, the data transmission module 603 disposed on the data exchange server receives the desensitization file transmitted by the host, and after determining that the desensitization file is completely received, sends the file to the desensitization data importing module 604. When the file has been completely transferred to the desensitization data import module 604, the file is deleted to free up data exchange server storage space.
A desensitization data import module 604, which is disposed in a data demander, i.e. a target environment, such as a test or development environment of a desensitization data user, and is configured to receive the desensitized file sent by the data exchange server and import the desensitized file into a database in the target environment; after the desensitization data importing module 604 completes receiving the desensitized file, the data transmitting module 603 deletes the corresponding desensitized file.
In an embodiment, after receiving the desensitization file, the desensitization data import module 604 starts an import job, imports the desensitization file into the database, and deletes the desensitization file after confirming that the import is completed, so as to release the storage space of the import environment.
For a more clear explanation of the above data desensitization method and system, a specific example is described below, however, it should be noted that this example is only for better illustration of the present invention and should not be construed as an undue limitation of the present invention.
Fig. 7 is a schematic diagram of a data desensitization process according to an embodiment of the present invention.
As shown in fig. 7, in the general-purpose hosting environment 710, a tape library import tool is used to export a tape library data table to a host SAM file according to a partition or condition. The parallelism can be divided according to needs and planning can be carried out according to the actual data volume of each partition of the large table, and the files with the N specified file names can be exported in parallel after planning is finished.
And each file which finishes importing is subjected to data desensitization immediately, desensitization is carried out on the imported file according to a desensitization rule, and after desensitization is finished, the desensitization file is automatically sent to the data exchange server 720.
After data exchange server 720 completes the reception of the desensitization file, i.e., the desensitization file of universal hosting environment 710 has completely transferred the desensitization file, the file of universal hosting environment 710 is deleted to free up host storage space.
Because the desensitization program directly desensitizes the file, compared with the prior art in which desensitization is carried out in a special database, the execution efficiency of the desensitization program is greatly improved.
The data exchange server 720 is configured to receive the desensitized file transmitted from the general-purpose hosting environment 710, and when the desensitized file is received, send the desensitized file to a data requesting party, i.e., the target environment 730, such as a test or development environment of a desensitized data using party.
When target environment 730 completes the reception of the desensitization file, that is, data exchange server 720 has completely transmitted the desensitization file, the file of data exchange server 720 is deleted to free up the storage space of data exchange server 720.
After receiving the desensitization file, the target environment 730 starts an import job, imports the desensitization file into the database 740, and deletes the desensitization file after confirming that the import is completed, so as to release the storage space of the target environment 730.
The whole process is performed dynamically and synchronously, and the processing flows among the general-purpose host environment 710, the data exchange server 720 and the target environment 730 can be parallel, and the processing flows in the general-purpose host environment, the data exchange server 720 and the target environment 730 can also be parallel. According to the current environment resource condition, the parallelism can be adjusted, so that the storage resources of a general host system, a data exchange server and a target system can be greatly saved, and the overall processing efficiency of data desensitization can also be improved.
Based on the same inventive concept, the present invention also proposes a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the aforementioned data desensitization method when executing the computer program.
In an embodiment of the present invention, a computer-readable storage medium is also presented, which stores a computer program for executing the aforementioned data desensitization method.
The data desensitization method and the system can save host resources by performing data desensitization, and mass host resources are saved because a special database is not required to be established and data is not required to be imported into the database. Meanwhile, the storage resources of the data conversion server and the target environment are saved. In terms of storage, in the prior art, a host resource for establishing a set of database similar to production needs to store hundreds of TB, and only dozens of GB is required to store the TB in the technical scheme of the invention. In addition, the whole efficiency of data desensitization can be improved, the time cost is saved, and because the parallel processing can be performed, a large data volume is split into smaller data units according to conditions or partitions, and the smaller data units are processed in parallel. The whole mechanism of the technical scheme of the invention can simultaneously and parallelly process the steps of exporting the tape library data to a file, desensitizing, transmitting and importing the tape library data into a target database, and the like, thereby greatly improving the whole efficiency of whole desensitization and saving time cost. Because the links of restoring the magnetic tape into the database and exporting the bleached text from the database are not needed, a large amount of time cost is saved, and the efficiency is improved. Meanwhile, in practice, only one set of drilling environment or quasi-production environment is generally deployed in a quasi-production environment, and data desensitization cannot be performed if performing drilling in the prior art.
While the spirit and principles of the invention have been described with reference to several particular embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, nor is the division of aspects, which is for convenience only as the features in such aspects may not be combined to benefit. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (12)
1. A method of data desensitization, the method comprising:
under the environment of a host computer, dividing and exporting original data in a tape library to obtain a file to be desensitized;
desensitizing the file to be desensitized;
receiving the desensitized file through the data exchange server, and deleting the corresponding desensitized file in the host environment after receiving the desensitized file;
and under the target environment, receiving the desensitized file sent by the data exchange server, importing the desensitized file into a database under the target environment, and after the receiving is finished, deleting the corresponding desensitized file in the data exchange server.
2. A method of data desensitization according to claim 1, further comprising:
and after the received desensitized file sent by the data exchange server is imported into the database under the target environment, deleting the received desensitized file sent by the data exchange server.
3. The data desensitization method according to claim 1, wherein said dividing and exporting the original data in the tape library under the host environment to obtain the file to be desensitized comprises:
under the environment of a host computer, dividing original data in a tape library, and sequentially exporting the divided original data to a file with a specified file name;
and after the data import of one file with the appointed file name is finished, obtaining a file to be desensitized.
4. A method of data desensitization according to claim 3, further comprising: and dividing the original data in the tape library according to the partition data volume and/or the parallelism, and exporting the divided original data to a file with a specified file name in sequence.
5. A data desensitization method according to claim 3, wherein said desensitizing the file to be desensitized comprises:
and when the file to be desensitized is obtained, desensitizing the file to be desensitized to obtain a corresponding desensitized file.
6. The data desensitization method according to claim 5, wherein said receiving desensitized files via a data exchange server, after completion of the receiving, deleting corresponding desensitized files in the host environment comprises:
receiving the desensitized file;
judging whether the desensitized file is received completely;
and after the receiving is finished, deleting the corresponding desensitized file in the host environment, and releasing the storage space in the host environment.
7. The data desensitization method according to claim 6, wherein said receiving the desensitized file sent by the data exchange server in the target environment, importing the desensitized file into a database in the target environment, and after the receiving is completed, deleting the corresponding desensitized file in the data exchange server, comprises:
under the target environment, receiving the desensitized file sent by the data exchange server;
judging whether the desensitized file sent by the data exchange server is received completely;
and after the receiving is finished, deleting the corresponding desensitized file in the data exchange server, and releasing the storage space of the data exchange server.
8. A method of data desensitization according to claim 7, further comprising:
importing the desensitized file sent by the received data exchange server into a database under a target environment;
judging whether the import is finished;
and after the importing is finished, deleting the corresponding desensitized file in the target environment, and releasing the storage space in the target environment.
9. A data desensitization system, characterized in that the system comprises:
the data export module is used for exporting and dividing the original data in the tape library under the environment of the host computer to obtain a file to be desensitized;
the data desensitization module is used for desensitizing the file to be desensitized;
the data transmission module is arranged on the data exchange server and used for receiving the desensitized file; after the data transmission module completes the receiving of the desensitized file, the data desensitization module deletes the corresponding desensitized file;
the desensitization data import module is used for receiving the desensitization files sent by the data exchange server and importing the desensitization files into a database in a target environment; and after the desensitization data import module finishes receiving the desensitized files, the data transmission module deletes the corresponding desensitized files.
10. The data desensitization system according to claim 9, wherein the desensitization data import module is further configured to delete the received desensitized files sent by the data exchange server after import is completed.
11. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of any one of claims 1 to 8 when executing the computer program.
12. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program for executing the method of any one of claims 1 to 8.
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| CN111858737A (en) * | 2020-07-29 | 2020-10-30 | 中国工商银行股份有限公司 | Data import device and method, bank system building device and method, and storage medium |
| CN116070205A (en) * | 2023-03-07 | 2023-05-05 | 北京和升达信息安全技术有限公司 | Data clearing method and device, electronic equipment and storage medium |
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| CN107665312A (en) * | 2016-07-28 | 2018-02-06 | 深圳市祈飞科技有限公司 | Data guard method, client and system |
| US20180365610A1 (en) * | 2017-06-19 | 2018-12-20 | Verité | Supply chain labor intelligence |
| CN107766741A (en) * | 2017-10-23 | 2018-03-06 | 中恒华瑞（北京）信息技术有限公司 | Data desensitization system and method |
| CN110135184A (en) * | 2018-02-09 | 2019-08-16 | 中兴通讯股份有限公司 | A kind of method, apparatus, equipment and the storage medium of static data desensitization |
| CN109558746A (en) * | 2018-11-06 | 2019-04-02 | 泰康保险集团股份有限公司 | Data desensitization method, device, electronic equipment and storage medium |
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| CN111858737A (en) * | 2020-07-29 | 2020-10-30 | 中国工商银行股份有限公司 | Data import device and method, bank system building device and method, and storage medium |
| CN111858737B (en) * | 2020-07-29 | 2024-01-09 | 中国工商银行股份有限公司 | Data importing device and method, bank system constructing device and method, and storage medium |
| CN116070205A (en) * | 2023-03-07 | 2023-05-05 | 北京和升达信息安全技术有限公司 | Data clearing method and device, electronic equipment and storage medium |
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