CN107632905A - A kind of file anti-loss method and device for safe U disc - Google Patents
A kind of file anti-loss method and device for safe U disc Download PDFInfo
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- CN107632905A CN107632905A CN201710792272.3A CN201710792272A CN107632905A CN 107632905 A CN107632905 A CN 107632905A CN 201710792272 A CN201710792272 A CN 201710792272A CN 107632905 A CN107632905 A CN 107632905A
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Abstract
The present invention provides a kind of file anti-loss method for safe U disc, including：When the file in safe U disc is opened by software for editing, a back-up file directories are created in safe U disc；Whether file is changed according to policy monitor, if modification, the latest edition of modification is copied in the back-up file directories, otherwise does not take any action；Further, monitor whether the file is closed by software for editing, if closing, delete the back-up file directories, it is on the contrary then return to previous step.The present invention also provides a kind of file for safe U disc anti-lost device, and the device is made up of resource management module and monitoring module.Pass through methods and apparatus of the present invention, it can be easy to find latest edition backup file in backup directory, so as to solve the problems, such as to lose data because of situations such as surprisingly extracting safe U disc, accident power-off or system crash, the usage experience to safe U disc is also greatly increased.
Description
Technical field
The present invention relates to a kind of information security field, more particularly to a kind of method that file for safe U disc is anti-lost
And device.
Background technology
USB flash disk, full name USB flash drive, English name " USB flash disk ".It is it is a kind of using USB interface without thing
The miniature high power capacity product of driver is managed, is connected by USB interface with computer, realizes plug and play.Because its is small
Ingeniously it is easy to carry, the advantages that memory capacity is big, cheap, dependable performance, is used by extensive crowd.Meaning be present in common U disk
It is outer loss and cause leaking data, easy virus infection equivalent risk, huge potential suffering for government and business unit be present.
Safe U disc has then used privately owned file system, will not be identified by operating system, and the file in safe U disc is all
It is that encryption stores, the file that the resource manager program only carried by safe U disc can be just checked in safe U disc.When making
During file of the user just in editing safety USB flash disk, if running into unexpected situations such as extracting USB flash disk, accident power-off or system crash,
The file data edited is will result in lose.These files are probably to record life or the photo at enterprise's preciousness moment,
It is also likely to be the urgent vital document of enterprise, if very big inconvenience will be brought to user by losing.
At present, for preventing the method for loss of data in USB flash disk merely by simple backup, so as to avoid document because by mistake
Lost caused by deleting, not to the method for carrying out data protection in editor's document in USB flash disk, in particular for certainly
Safe U disc with resource manager program.
The content of the invention
It is an object of the invention to provide a kind of file anti-loss method and device for safe U disc, operating process is simple,
Excessive internal memory will not be taken, can just solve to lose number because of situations such as surprisingly extracting safe U disc, accident power-off or system crash
According to the problem of.
Based on above-mentioned purpose, the present invention provides a kind of file anti-loss method for safe U disc, comprised the following steps：
（1）When the file in safe U disc is opened by software for editing, a back-up file directories are created in safe U disc；
（2）Whether file is changed according to policy monitor, if modification, the backup is copied to by the latest edition of modification
In file directory, otherwise any action is not taken；
（3）Monitor whether the file is closed by software for editing, if closing, delete the back-up file directories, it is on the contrary then return
It is back to step（2）.
Wherein, above-mentioned steps（1）In, if the back-up file directories create failure, it can also send miscue message；
Above-mentioned steps（2）Before, the strategy that can be monitored with configuration file, the strategy is including the strategy based on time interval and based on text
The strategy of part mark：
The strategy of time interval refers to, sets the time interval of file monitor, and monitoring a file every a time interval is
It is no to be changed or closed；
The strategy of file identification refers to, the file importance according to specified by file identification, automatically determines the time of file monitor
Interval.
Further, whether the above-mentioned file according to policy monitor is changed, in addition to：Pass through the time of the file
Attribute or file content judge whether file is changed.
In addition, the present invention also provides a kind of file loss prevention device for safe U disc, by resource management module and monitoring
Module forms：
Resource management module, for creating, deleting back-up file directories, the file latest edition of modification is copied into backup file
In catalogue；
Monitoring module, for monitoring whether the file in safe U disc by software for editing is opened, changes and closed.When in safe U disc
File when being opened by software for editing, monitoring module notice resource management module creates a backup file mesh in safe U disc
Record；Whether file is changed according to policy monitor, if modification, notice resource management module answers the latest edition of modification
Make in the back-up file directories, otherwise do not take any action；Further, whether the file is monitored by software for editing
Close, if closing, notice resource management module deletes the back-up file directories.
By methods and apparatus of the present invention, can be easy to find latest edition backup file in backup directory, from
And solve the problems, such as to lose data because of situations such as surprisingly extracting safe U disc, accident power-off or system crash, also greatly carry
The high usage experience to safe U disc.
To allow the method for the present invention to become apparent, the method for the present invention is illustrated below in conjunction with accompanying drawing.
Brief description of the drawings
Fig. 1 is a kind of flow chart of file anti-loss method for safe U disc of the present invention；
Fig. 2 is a kind of flow chart of file anti-loss method for safe U disc provided in an embodiment of the present invention；
Fig. 3 is a kind of file loss prevention device structure chart for safe U disc of the present invention.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
Fig. 1 is a kind of flow chart of file anti-loss method for safe U disc of the present invention.As shown in figure 1, the flow
Comprise the following steps：
Step S101, when the file in safe U disc is opened by software for editing, a backup file mesh is created in safe U disc
Record；
Step S102, whether file is changed according to policy monitor, if modification, institute is copied to by the latest edition of modification
State in back-up file directories, otherwise do not take any action；
Step S103, monitors whether the file is closed by software for editing, if closing, deletes the back-up file directories, instead
Be then back to step S102.
Wherein, in above-mentioned steps S101, if the back-up file directories create failure, miscue message can also be sent；
Before above-mentioned steps S102, strategy and base based on time interval can be included with the strategy of configuration file monitoring, the strategy
In the strategy of file identification：
The strategy of time interval refers to, sets the time interval of file monitor, and monitoring a file every a time interval is
It is no to be changed or closed；
The strategy of file identification refers to, the file importance according to specified by file identification, automatically determines the time of file monitor
Interval.
Further, whether the above-mentioned file according to policy monitor is changed, in addition to：Pass through the time of the file
Attribute or file content judge whether file is changed.
Fig. 2 is a kind of flow chart of file loss method for safe U disc provided in an embodiment of the present invention.Such as Fig. 2 institutes
Show, the flow comprises the following steps：
Step S201, the file that the needs in safe U disc are edited is opened, enters edlin；
Step S202, a back-up file directories are created in safe U disc, for storing the backup file of latest edition；
If the back-up file directories create failure, miscue message can be sent；
Step S203, monitor whether a file is changed every a time interval, the time interval of the file monitor can
To be configured；
Further, the time interval of file monitor can also according to the file importance of file identification, be automatically determined；
Whether above-mentioned monitoring file is changed, including judges whether to change according to the time attribute of file or file content；
Step S204, if the file modification, the latest edition of modification is copied in the back-up file directories of safe U disc,
The state that backup file so in safe U disc back-up file directories is just consistent with the file moment edited, it is on the contrary
Any action is not taken；
Step S205, further, monitor whether the file is closed by software for editing；
Step S206, if the file is turned off, the back-up file directories in safe U disc are deleted, reduce resource occupation space,
Conversely, then returning to step S203, continue to judge just whether further change in editing files.
Fig. 3 is a kind of file loss prevention device structural representation for safe U disc of the present invention, for realizing above-mentioned reality
Apply the method in example.As shown in figure 3, described device is made up of resource management module 301 and monitoring module 302.
Resource management module 301, for creating, deleting back-up file directories, the file latest edition of modification is copied to
In back-up file directories；
Monitoring module 302, for monitoring whether the file in safe U disc by software for editing is opened, changes and closed.As safe U
When file in disk is opened by software for editing, monitoring module notice resource management module creates a backup text in safe U disc
Part catalogue；Whether file is changed according to policy monitor, if modification, notifies resource management module by the latest edition of modification
Originally copy in the back-up file directories, otherwise do not take any action；Further, monitor whether the file is edited
Software is closed, if closing, notice resource management module deletes the back-up file directories.
Each module of device described in the present embodiment realizes the detailed process of respective function, refer to shown in above-mentioned Fig. 1 and Fig. 2
Particular content described in embodiment.
A kind of file for safe U disc provided by the present embodiment loses device, can be easy in backup directory
In find latest edition backup file, so as to solving because of unexpected situations such as extracting safe U disc, accident power-off or system crash
The problem of losing data, also greatly increases the usage experience to safe U disc.
It is described above, it is preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with
The people of the technology is in presently disclosed technical scope, and the modification that can easily expect, equivalent substitution, improvement etc. all should
Cover within the scope of the present invention.Therefore, protection scope of the present invention should be defined by the protection domain of claim.
Claims (10)
1. a kind of file anti-loss method and device for safe U disc, it is characterised in that be divided into following steps：
（1）When the file in safe U disc is opened by software for editing, a back-up file directories are created in safe U disc；
（2）Whether file is changed according to policy monitor, if modification, the backup is copied to by the latest edition of modification
In file directory, otherwise any action is not taken；
（3）Monitor whether the file is closed by software for editing, if closing, delete the back-up file directories, it is on the contrary then return
It is back to step（2）.
2. file anti-loss method according to claim 1, it is characterised in that in the step（1）Afterwards, it is if described standby
Part file directory creates failure, can send miscue message.
3. file anti-loss method according to claim 1, it is characterised in that in the step（2）Before, can configure
The strategy of file monitor, the strategy include the strategy based on time interval and the strategy based on file identification.
4. file anti-loss method according to claim 3, it is characterised in that the strategy based on time interval is
Refer to, the time interval of file monitor is set, monitor whether a file is changed or closed every a time interval.
5. file anti-loss method according to claim 3, it is characterised in that the strategy based on file identification is
Refer to, the file importance according to specified by file identification, automatically determine the time interval of file monitor.
6. file anti-loss method according to claim 1, it is characterised in that the step（2）Also include：By described
The time attribute of file judges whether file is changed.
7. file anti-loss method according to claim 1, it is characterised in that further, the step（2）Also wrap
Include：Judge whether file is changed by file content.
8. a kind of file loss prevention device for safe U disc, it is characterised in that by resource management module and monitoring module group
Into,
Resource management module, for creating, deleting back-up file directories, the file latest edition of modification is copied into backup file
In catalogue；
Monitoring module, for monitoring whether the file in safe U disc by software for editing is opened, changes and closed.
9. file loss prevention device according to claim 8, it is characterised in that including：
File in monitoring module monitoring safe U disc, when the file in safe U disc is opened by software for editing, monitoring module leads to
Know that resource management module creates a back-up file directories in safe U disc；
Whether monitoring module file according to policy monitor is changed, if modification, notifies resource management module by modification
Latest edition is copied in the back-up file directories, otherwise does not take any action；
Monitoring module monitors whether the file is closed by software for editing, if closing, described in notice resource management module deletion
Back-up file directories.
10. file loss prevention device according to claim 9, it is characterised in that the strategy includes being based on time interval
Strategy and the strategy based on file identification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710792272.3A CN107632905A (en) | 2017-09-05 | 2017-09-05 | A kind of file anti-loss method and device for safe U disc |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710792272.3A CN107632905A (en) | 2017-09-05 | 2017-09-05 | A kind of file anti-loss method and device for safe U disc |
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| CN107632905A true CN107632905A (en) | 2018-01-26 |
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| CN201710792272.3A Pending CN107632905A (en) | 2017-09-05 | 2017-09-05 | A kind of file anti-loss method and device for safe U disc |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111159789A (en) * | 2019-12-26 | 2020-05-15 | 深信服科技股份有限公司 | Method, device, equipment and storage medium for monitoring file |
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| CN103729270A (en) * | 2013-12-13 | 2014-04-16 | 北京智谷睿拓技术服务有限公司 | Backup method and operation equipment |
| WO2016085822A1 (en) * | 2014-11-24 | 2016-06-02 | Google Inc. | Systems and methods for editing a file in a non-native application using an application engine |
| CN104866435A (en) * | 2015-06-06 | 2015-08-26 | 成都云祺科技有限公司 | Continuous data protection method |
| CN105119995A (en) * | 2015-08-27 | 2015-12-02 | 北京恒华伟业科技股份有限公司 | File cloud saving method, terminal equipment and backup server |
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Application publication date: 20180126 |