CN102930216A - Encrypt file management method based on wireless USB (Universal Serial Bus) flash disc - Google Patents
Encrypt file management method based on wireless USB (Universal Serial Bus) flash disc Download PDFInfo
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- CN102930216A CN102930216A CN2012103504167A CN201210350416A CN102930216A CN 102930216 A CN102930216 A CN 102930216A CN 2012103504167 A CN2012103504167 A CN 2012103504167A CN 201210350416 A CN201210350416 A CN 201210350416A CN 102930216 A CN102930216 A CN 102930216A
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Abstract
The invention provides an encrypt file management method based on a wireless USB (Universal Serial Bus) flash disc. According to the wireless characteristic of the wireless USB flash disc, the encrypt file management method can be used for performing automatic backup on important data of a computer under authority, transmitting the important data subjected to encryption to the USB flash disc, and recording the formats, use time, operation time, operation catalogues and operators of files. As the USB flash disc can be carried by a user freely, the user can use the USB flash disc conveniently, more importantly, the security of information during a wireless transmission process is ensured, and simultaneously, the security management on the confidential data within an enterprise or by an individual is facilitated.
Description
Technical field
The present invention relates to a kind of a kind of automatic transmission and redundancy technique based on the wireless security network, particularly relate to a kind of encrypt file management method based on wireless U-disc.
Background technology
USB flash disk as with computer be connected peripheral equipment with and small and exquisitely being easy to carry of having, memory capacity is large, the plurality of advantages of low price, dependable performance is by people's widespread use, but common U disk does not have encryption function.If encryption requirements is arranged, then need the USB flash disk of select tape encryption function.Because the regular software encryption is easy to crack.Thereby USB flash disk is very large security challenge to the user.Because their small size and convenience, allowing does not have the visitor of authority or despiteful personnel can steal the data of secret in hardly can found situation.
For this reason, the insider proposes to provide for USB flash disk the function of data encryption.Namely the lower floor in file system reaches with full disk encryption.Encryption function prevents that unwarranted people from accessing the data on the USB flash disk; But the shortcoming of this mode then is because there is not unified standard, so that USB flash disk can only use at the computer that small part is equipped with compatible encryption software.
Development along with network technology, the network technology is more and more flourishing, the transmission of information is more and more convenient, in the USB flash disk that wireless communication technology also is employed and the file transfer technology of computer, although made things convenient for like this people's use, but brought especially problem how to guarantee information security in the process of wireless transmission, especially for solving enterprises and individual for the safety management of confidential data, this solution of problem more urgently reaches important.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of encrypt file management method based on wireless U-disc, be used for having potential safety hazard when the solution prior art is utilized the wireless U-disc transfer files, to realize the safety management for confidential data.
Reach for achieving the above object other relevant purposes, the invention provides a kind of encrypt file management method based on wireless U-disc, be applied to have with wireless U-disc and carry out in the computing machine of wireless data transmission function, described encrypt file management method comprises at least:
1) authentication information of administrator right and keeper login is set, and presets one according to wireless U-disc ID and user profile and permit the permissions list that this wireless U-disc accesses;
Access described wireless U-disc when 2) in detecting its wireless coverage, having the wireless U-disc with access rights;
3) the described wireless U-disc of initialization, judge described wireless U-disc whether first with this computing machine access, if then format described wireless U-disc and record the user profile of described wireless U-disc; If not, then detect this computing machine to the timestamp of the last backup file of described wireless U-disc, simultaneously original file of storing in the described wireless U-disc is made up a listed files according to preset rules;
4) it prepares to carry out file transfer with described computing machine described wireless U-disc to be carried out warrant;
5) by wireless network backup file is transferred in the described wireless U-disc, and produce symmetric key according to Administrator Info and user profile and USB flash disk ID described backup file is encrypted;
6) daily record of record described backup file and enciphered data and timestamp are inquired about correction with to be checked.
In described step 1), the authentication information of described keeper's login comprises keeper's name in an account book, password and authorizes entry address; Described wireless U-disc user profile comprises user name.
Step 2 in encrypt file management method of the present invention) in, detect and exist when having or not the line USB flash disk in the described computer radio coverage, user profile according to described wireless U-disc inquires about whether there is this user profile in described permissions list, if judge that then described wireless U-disc has access rights and accesses described wireless U-disc; If not, then refuse the access request of described wireless U-disc.
In the step 3) of encrypt file management method of the present invention, when judging described wireless U-disc first with this computing machine access and the described wireless U-disc of pre-formatting, comprise also whether prompting user formats the step of the whole storage spaces of described wireless U-disc, if, then format the whole storage spaces of described wireless U-disc, if not, then format described wireless U-disc part storage space, to keep the legacy data in the not formatted storage space.
In the step 3) of encrypt file management method of the present invention, original file of storing in the described wireless U-disc is made up listed files according to file modification time, filename, file size or file type.
In the step 5) of encrypt file management method of the present invention, when described backup file transfers in the described wireless U-disc, also comprise and judge the step that whether has the source document of bearing the same name with this backup file in the described listed files, if, then back up according to the timestamp of this source document of Last Backup is initial, if not, then described backup file is backed up in this wireless U-disc fully.Described timestamp according to this source document of Last Backup is initial to be backed up is the difference backup, covers backup, and a kind of in the incremental backup.
As mentioned above, the encrypt file management method based on wireless U-disc of the present invention has following beneficial effect:
Encrypt file management method of the present invention is by the radio characteristics of wireless U-disc, the significant data of automated back-up computer and encryption are sent to USB flash disk in the situation of authorizing, and the form of log file, service time, running time, operation catalogue and operator, as long as and USB flash disk is followed one's inclinations and is carried, not only made things convenient for people's use, the more important thing is and guaranteed the safety of information in the process of wireless transmission, also be beneficial to enterprises or individual simultaneously for the safety management of confidential data.
Description of drawings
Fig. 1 is shown as the encrypt file management method application architecture synoptic diagram that the present invention is based on wireless U-disc.
Fig. 2 is shown as the encrypt file management method process flow diagram that the present invention is based on wireless U-disc.
Embodiment
Below by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this instructions.The present invention can also be implemented or be used by other different embodiment, and the every details in this instructions also can be based on different viewpoints and application, carries out various modifications or change under the spirit of the present invention not deviating from.
Need to prove, the diagram that provides in the present embodiment only illustrates basic conception of the present invention in a schematic way, satisfy only show in graphic with the present invention in relevant assembly but not component count, shape and size drafting when implementing according to reality, kenel, quantity and the ratio of each assembly can be a kind of random change during its actual enforcement, and its assembly layout kenel also may be more complicated.
See also Fig. 1, be shown as the encrypt file management method application architecture synoptic diagram that the present invention is based on wireless U-disc, as shown in the figure, the invention provides a kind of encrypt file management method based on wireless U-disc, be applied to have with wireless U-disc 2 and carry out in the computing machine 1 of wireless data transmission function, in concrete application example, in the described computing machine 1 for to be mounted be used to the client of managing described wireless U-disc 2, after the management of client mainly is the initialization client, to form an AP sending and receiving end at the computer radio network interface card of this locality, according to user name wireless U-disc is carried out a mandate after receiving wireless U-disc, undelegated user does not have the automated back-up encryption function, client encrypt sending module after authorizing, automatically send from file assigned catalogue and the acquiescence encrypted backup that file type that the inside arranges backups to wireless U-disc is set, backup file and deciphering backup file that encryption function can real-time management be encrypted.Realization can be backed up by wireless security.
See also Fig. 2, be shown as the encrypt file management method process flow diagram that the present invention is based on wireless U-disc.As shown in the figure, described encrypt file management method may further comprise the steps at least:
Execution in step S1 at first, the authentication information of administrator right and keeper login is set in described computing machine, and preset one according to wireless U-disc ID and user profile and permit the permissions list that this wireless U-disc accesses, in present embodiment, the authentication information of described keeper's login comprises keeper's name in an account book, password (password) and authorizes entry address (IP address or MAC Address); Described wireless U-disc user profile comprises user name, i.e. account name.This step is mainly the mandate initialization step, namely mainly is that authorized user can use and administrative client.Then go to step S2.
In step S2, whether there is wireless U-disc in its wireless coverage of computer search, if, then advance to halt the authority that rapid S3 judges described wireless U-disc, if not, then in step S2, continue search.
Access described wireless U-disc when in detecting its wireless coverage, having the wireless U-disc with access rights.Namely in step S3, detect and exist when having or not the line USB flash disk in the described computer radio coverage, user profile according to described wireless U-disc inquires about whether there is this user profile in described permissions list, if not, then judge not tool access authority of described wireless U-disc, namely refuse the access request of described wireless U-disc.If then advance to halt rapid S5.
In step S5, judge that described wireless U-disc has access rights and accesses described wireless U-disc, then going to the described wireless U-disc of step S6 initialization, is that the data without drum are detected time point with the Last Backup file, and first use can select to format and keep special data.
In step S6, judge whether described wireless U-disc accesses with this computing machine first, if, then advance to halt rapid S7, if not, then advance to halt rapid S10.
In step S7, when namely judging described wireless U-disc first with this computing machine access and the described wireless U-disc of pre-formatting, whether prompting user formats the step of the whole storage spaces of described wireless U-disc, then advance to halt rapid S8 and format the whole storage spaces of described wireless U-disc, if not, then advance to halt rapid S9 and format described wireless U-disc part storage space, to keep the legacy data in the not formatted storage space.
In step S10, detect this computing machine to the timestamp of the last backup file of described wireless U-disc, simultaneously original file of storing in the described wireless U-disc is made up a listed files according to preset rules, in present embodiment, original file of storing in the described wireless U-disc is made up listed files according to file modification time, filename, file size or file type.Then go to step S11.
In step S11, described wireless U-disc is carried out warrant, and it prepares to carry out file transfer with described computing machine.Then go to step S12, prepare by wireless network backup file to be transferred to described wireless U-disc.
In step S12, judge whether there is the source document of bearing the same name with this backup file in the described listed files, if, then advance to halt rapid S13, if not, then advance to halt rapid S14.
In step S13, back up according to the timestamp of this source document of Last Backup is initial, and produce symmetric key according to Administrator Info and user profile and USB flash disk ID described backup file is encrypted, in present embodiment, the initial backup of described timestamp according to this source document of Last Backup is the difference backup, cover backup, and a kind of in the incremental backup.Then go to step S15.
In step S14, described backup file is backed up in this wireless U-disc fully, and produce symmetric key according to Administrator Info and user profile and USB flash disk ID described backup file is encrypted.Then go to step S15.
In step S15, record the daily record of described backup file and enciphered data and timestamp and inquire about correction with to be checked.
If the user needs viewing files, can open encrypting module in the client with the user name of oneself, the content of wireless U-disc the inside can be browsed and processing can be decrypted.The wireless U-disc of deciphering can't not opened in decrypted state not.
In sum, encrypt file management method of the present invention is by the radio characteristics of wireless U-disc, the significant data of automated back-up computer and encryption are sent to USB flash disk in the situation of authorizing, and the form of log file, service time, running time, operation catalogue and operator, as long as and USB flash disk is followed one's inclinations and is carried, not only make things convenient for people's use, the more important thing is and guaranteed the safety of information in the process of wireless transmission, also be beneficial to enterprises or individual simultaneously for the safety management of confidential data.So the present invention has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not is used for restriction the present invention.Any person skilled in the art scholar all can be under spirit of the present invention and category, and above-described embodiment is modified or changed.Therefore, have in the technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences of finishing under disclosed spirit and the technological thought, must be contained by claim of the present invention.
Claims (7)
1. encrypt file management method based on wireless U-disc is applied to have with wireless U-disc and carries out it is characterized in that in the computing machine of wireless data transmission function that described encrypt file management method comprises at least:
1) authentication information of administrator right and keeper login is set, and presets one according to wireless U-disc ID and user profile and permit the permissions list that this wireless U-disc accesses;
Access described wireless U-disc when 2) in detecting its wireless coverage, having the wireless U-disc with access rights;
3) the described wireless U-disc of initialization, judge described wireless U-disc whether first with this computing machine access, if then format described wireless U-disc and record the user profile of described wireless U-disc; If not, then detect this computing machine to the timestamp of the last backup file of described wireless U-disc, simultaneously original file of storing in the described wireless U-disc is made up a listed files according to preset rules;
4) it prepares to carry out file transfer with described computing machine described wireless U-disc to be carried out warrant;
5) by wireless network backup file is transferred in the described wireless U-disc, and according to Administrator Info and user's letter
Breath and USB flash disk ID produce symmetric key described backup file are encrypted;
6) daily record of record described backup file and enciphered data and timestamp are inquired about correction with to be checked.
2. the encrypt file management method based on wireless U-disc according to claim 1 is characterized in that: in described step 1), the authentication information of described keeper's login comprises keeper's name in an account book, password and authorizes entry address; Described wireless U-disc user profile comprises user name.
3. the encrypt file management method based on wireless U-disc according to claim 1, it is characterized in that: in described step 2) in, detect and exist when having or not the line USB flash disk in the described computer radio coverage, user profile according to described wireless U-disc inquires about whether there is this user profile in described permissions list, if judge that then described wireless U-disc has access rights and accesses described wireless U-disc; If not, then refuse the access request of described wireless U-disc.
4. the encrypt file management method based on wireless U-disc according to claim 1, it is characterized in that: in described step 3), when judging described wireless U-disc first with this computing machine access and the described wireless U-disc of pre-formatting, comprise also whether prompting user formats the step of the whole storage spaces of described wireless U-disc, if, then format the whole storage spaces of described wireless U-disc, if not, then format described wireless U-disc part storage space, to keep the legacy data in the not formatted storage space.
5. the encrypt file management method based on wireless U-disc according to claim 1, it is characterized in that: in described step 3), original file of storing in the described wireless U-disc is made up listed files according to file modification time, filename, file size or file type.
6. the encrypt file management method based on wireless U-disc according to claim 1, it is characterized in that: in described step 5), when described backup file transfers in the described wireless U-disc, also comprise and judge the step that whether has the source document of bearing the same name with this backup file in the described listed files, if, then back up according to the timestamp of this source document of Last Backup is initial, if not, then described backup file is backed up in this wireless U-disc fully.
7. the encrypt file management method based on wireless U-disc according to claim 6 is characterized in that: the initial backup of described timestamp according to this source document of Last Backup is the difference backup, covers backup, and a kind of in the incremental backup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210350416.7A CN102930216B (en) | 2012-09-19 | 2012-09-19 | Based on the encrypt file management method of wireless U-disc |
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| CN201210350416.7A CN102930216B (en) | 2012-09-19 | 2012-09-19 | Based on the encrypt file management method of wireless U-disc |
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| CN102930216A true CN102930216A (en) | 2013-02-13 |
| CN102930216B CN102930216B (en) | 2016-02-03 |
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| CN104680056A (en) * | 2015-03-04 | 2015-06-03 | 江苏沁恒股份有限公司 | Safety USB (Universal Serial Bus) flash disk system and safety USB flash disk method for encrypting and decrypting through wireless man-machine interaction terminal |
| CN104899115A (en) * | 2015-05-11 | 2015-09-09 | 广东美晨通讯有限公司 | Data backup and recovery method and system |
| CN108985075A (en) * | 2017-06-02 | 2018-12-11 | 成都小娱网络科技有限公司 | A kind of image file disk encryption system and method for lightweight |
| CN109074455A (en) * | 2016-04-25 | 2018-12-21 | 横河电机株式会社 | Erasing apparatus |
| CN109614374A (en) * | 2018-11-13 | 2019-04-12 | 深圳龙图腾创新设计有限公司 | A kind of file record system and method |
| CN111737722A (en) * | 2020-08-21 | 2020-10-02 | 北京志翔科技股份有限公司 | Method and device for safely ferrying data between intranet terminals |
| CN114237719A (en) * | 2020-09-09 | 2022-03-25 | 中国联合网络通信集团有限公司 | USB flash disk identification method, system, computer equipment and storage medium |
| CN115543934A (en) * | 2022-10-17 | 2022-12-30 | 安测半导体技术(义乌)有限公司 | Method and system for exporting chip test data document |
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Address after: 214081. -20-403, 58 embroidered Road, Binhu District, Binhu District, Jiangsu, Wuxi Patentee after: JIANGSU CINSEC INFORMATION TECHNOLOGY CO., LTD. Address before: Jinxi road Binhu District 214081 Jiangsu province Wuxi Henghua Science Park No. 100, No. 20 building, 4 floor Patentee before: Wuxi Cinsec Information Technology Co., Ltd. |
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Granted publication date: 20160203 Termination date: 20200919 |