CN101533452A - Method for protecting cipher of USB interface - Google Patents
Method for protecting cipher of USB interface Download PDFInfo
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- CN101533452A CN101533452A CN 200910049505 CN200910049505A CN101533452A CN 101533452 A CN101533452 A CN 101533452A CN 200910049505 CN200910049505 CN 200910049505 CN 200910049505 A CN200910049505 A CN 200910049505A CN 101533452 A CN101533452 A CN 101533452A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 230000008859 change Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000012217 deletion Methods 0.000 claims description 2
- 230000037430 deletion Effects 0.000 claims description 2
- 238000007639 printing Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004883 computer application Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 230000001256 tonic effect Effects 0.000 description 1
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Abstract
The invention discloses a method for protecting a cipher of a USB interface, which is to set a layer of USB filtration drive in an operation system, and set a protection cipher for the USB interface. The method comprises the following steps that: 1) the USB filter drive is used to determine that whether equipment accessing to the USB interface is storage equipment or not; 2) when the accessing equipment is the storage equipment, a user is required to input a cipher, if the cipher is matched with the set protection cipher, the operation system loads drive of the equipment for the user, if not, the drive of the equipment is not loaded; if the accessing equipment is non-storage equipment, the operation system directly loads the drive of the equipment for the user. Type of the USB equipment can be identified by the method, so that the storage type USB equipment can be used through the cipher, the user can conveniently use the storage type equipment without worrying about leakage of classified document in a computer.
Description
Technical field
The invention belongs to computer application field, be specifically related to a kind of method of USB interface being carried out cryptoguard.
Background technology
Along with popularizing of computer, increasing important information all is stored in the computing machine.Many people's individual privacy, the trade secret of company, the vital document of government all is kept in the computer, and in a single day these information are gone out computer by illegal copies, will cause tremendous loss to the lawful owner of information.And USB memory device (comprising USB flash disk, portable hard drive, USB recording device etc.) can provide convenience for users' transmission information, but also is the main path of information leakage simultaneously.
Traditional computer can't be discerned USB device, can't judge the classification of USB device.If forbidding, USB device is unavailable (comprising nonstorage devices such as USB keyboard, mouse) all.And if USB interface is banned use of, the convenience of USB memory device is again less than performance.
The unidirectional control of available technology adopting USB memory device solves this problem.The unidirectional control technology of USB memory device is controlled the storage medium that inserts computing machine, the information that prevents is had a mind to or is let out from movable storage device unintentionally, make user in this way can set the rights of using of memory device as required, but needing in advance the USB memory device to be inserted computer is provided with, this is also inconvenient concerning the user, and this method that is that all right is ripe, have certain defective.
Summary of the invention
The present invention has overcome deficiency of the prior art, and a kind of method that USB interface is carried out cryptoguard is provided, and can bring into play the convenience of USB memory device, can protect information not reveal again.
Technical scheme of the present invention is summarized as follows:
A kind of method that USB interface is carried out cryptoguard is provided with one deck USB filtration drive in operating system, and sets a protection password for USB interface, and its step comprises:
1) judges by described USB filtration drive whether the equipment that inserts USB interface is memory device;
2) require during for memory device the user to input password at access device, if with the protection password coupling of setting, load this device drives by operating system and use for the user; Otherwise do not load this device drives; Access device is a nonstorage device, and then operating system directly loads this device drives and uses for the user.
USB filtration drive interception usb bus drive feedback is listed the tabulation of USB interface access device information to operating system in the described step 1), if find storing device information in described tabulation, judges that then the equipment that inserts USB interface is memory device; Otherwise judge that the equipment that inserts USB interface is nonstorage device.
Described step 2), lists storing device information in the tabulation of USB interface access device information to operating system by USB filtration drive deletion usb bus drive feedback if the user inputs password not to match with setting the protection password.
Described protection password can be revised, and when needs change protection password, needs the original protection password of checking, by revising the protection password after the checking.
Described memory device is USB flash disk or portable hard drive or USB recording device or printing device.
Described nonstorage device is mouse or keyboard.
Compared with prior art, the invention has the beneficial effects as follows: can discern the classification of USB device, the USB device of storage-type could be used by password, the user both can conveniently use storage-type equipment, did not worry that again the classified document on the computer is revealed.
Description of drawings
Fig. 1 is a USB interface cipher code protection method process flow diagram
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
In order to realize USB interface is carried out the method for cryptoguard, one deck USB filtration drive is set in operating system, and sets a protection password for USB interface, can take following steps:
1) judges by described USB filtration drive whether the equipment that inserts USB interface is memory device;
2) require during for memory device the user to input password at access device, if with the protection password coupling of setting, load this device drives by operating system and use for the user; Otherwise do not load this device drives; Access device is a nonstorage device, and then operating system directly loads this device drives and uses for the user.
Realize above-mentioned steps, specific implementation process is: the USB interface cryptoguard program of at first installing and using the inventive method on user computer, in the USB interface cryptoguard master routine password setting function is arranged, can be set with password for USB interface, and be kept at hard disk, in installation process, on can driving at the usb bus of operating system, one deck USB filtration drive is installed; After program installs, need working procedure and the USB interface cipher protection function opened to be provided with, after selecting to open the USB interface cipher protection function, sets one and protect password, follow-up use does not need to be provided with, and only needs to get final product according to the correct password of prompting input; When needs change protection password, need this program of operation, verify original protection password, after checking, can revise the protection password.After setting password; the process that the USB filtration drive is discerned the equipment that inserts USB interface is: when USB device is inserted; operating system can drive to usb bus and send function of tonic chord IRP_MJ_PNP; subfunction number is the irp packet of IRP_MN_QUERY_DEVICE_RELATIONS; after the usb bus driving disposes; what feed back to operating system is a tabulation; enumerate USB interface in the table and inserted which USB device; comprise memory device and nonstorage device; need report to operating system; finish the driving that loads USB device by operating system; before reporting to operating system; this tabulation is intercepted by the USB filtration drive; in the tabulation storing device information is arranged if find; then the USB filter drive program is notified USB interface cryptoguard program; inquire password to the user; eject the dialog box of input password; carry out password authentification; if user cipher input password is identical with set password; just let pass by the operating system result; if the user is not by checking; just from tabulation, delete the USB storage device data of inserting; operating system can't obtain the activation bit of USB memory device; also just can't load, fundamentally protect USB interface not used by the stranger.
As shown in Figure 1, the user starts computer, behind the os starting, use the USB interface cryptoguard Automatic Program operation of the inventive method, when USB interface has equipment to insert, at first can drive whether be the driving of USB memory device, if the equipment that loads is the USB device that does not possess memory function by USB filtration drive checkout facility, then do not filter direct driver by this equipment of operating system installation, the user can normally use equipment; In case the USB filtration drive finds that the device drives that USB interface is inserted is that memory device drives, and then ejects the prompted dialog frame of prompting input password, the protection password that requires the user to input to set in advance.Password is correct, and the USB filtration drive is not filtered, and changes by this device drives of operating system drive installation, and the user can normally use.If the password mistake, then return and require the user to re-enter, unless input correct password, operating system can not recognize this equipment; If the user when ejecting prompting input password, has closed the prompted dialog frame of input password, then filter out this equipment by the USB filtration drive, can not load this device drives.
For example: after the user is provided with the USB interface cryptoguard program of using the inventive method USB interface is carried out cryptoguard.When inserting a mouse, the user can not feel this program of installation and the difference that this program is not installed; If the user inserts a USB flash disk, then can eject prompting, require user's input protection password, the user imports proper password, the system loads device drives, the user can use USB flash disk normally; If not authorized user is wanted by USB memory device illegal copies, when he inserts a USB flash disk, eject prompting, require the input password, do not provide correct password, then can require to re-enter.If click cancellation or close the dialog box that password is imported in prompting,, after click enters computer, also can't view the USB flash disk of insertion then without any reflection.
Claims (6)
1, a kind of method that USB interface is carried out cryptoguard is provided with one deck USB filtration drive in operating system, and sets a protection password for USB interface, and its step comprises:
1) judges by described USB filtration drive whether the equipment that inserts USB interface is memory device;
2) require during for memory device the user to input password at access device, if with set protection password coupling, load this device drives by operating system and use for the user; Otherwise do not load this device drives; Access device is a nonstorage device, and then operating system directly loads this device drives and uses for the user.
2. method of USB interface being carried out cryptoguard as claimed in claim 1, it is characterized in that, interception usb bus drive feedback is given the tabulation of listing the USB interface access device information of operating system in the described step 1), in the described tabulation storing device information is arranged, judge that then access device is a memory device; Otherwise the judgement access device is a nonstorage device.
3, method of USB interface being carried out cryptoguard as claimed in claim 1; it is characterized in that; described step 2) if in the user input password and do not match with setting the protection password, give the storing device information in the tabulation of USB interface access device information listed of operating system by USB filtration drive deletion usb bus drive feedback.
4, the method that USB interface is carried out cryptoguard as claimed in claim 1 is characterized in that, described protection password can be revised, and when needs change protection password, needs the original protection password of checking, by revising the protection password after the checking.
5, the method that USB interface is carried out cryptoguard as claimed in claim 1 or 2 is characterized in that, described memory device is USB flash disk or portable hard drive or USB recording device or printing device.
6, the method that USB interface is carried out cryptoguard as claimed in claim 1 or 2 is characterized in that, described nonstorage device is mouse or keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910049505 CN101533452B (en) | 2009-04-17 | 2009-04-17 | Method for protecting cipher of USB interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910049505 CN101533452B (en) | 2009-04-17 | 2009-04-17 | Method for protecting cipher of USB interface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101533452A true CN101533452A (en) | 2009-09-16 |
| CN101533452B CN101533452B (en) | 2012-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910049505 Expired - Fee Related CN101533452B (en) | 2009-04-17 | 2009-04-17 | Method for protecting cipher of USB interface |
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| CN (1) | CN101533452B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901320A (en) * | 2010-07-29 | 2010-12-01 | 广东欧珀电子工业有限公司 | Data leakage prevention method for electronic book reader |
| CN102737175A (en) * | 2011-09-23 | 2012-10-17 | 新奥特（北京）视频技术有限公司 | Equipment access method and user equipment and device in data security protection and control |
| CN102737193A (en) * | 2011-09-23 | 2012-10-17 | 新奥特（北京）视频技术有限公司 | Equipment shielding method and device for data security prevention and control |
| CN102737197A (en) * | 2011-09-23 | 2012-10-17 | 新奥特（北京）视频技术有限公司 | Data equipment shielding method and device |
| CN102768719A (en) * | 2012-06-29 | 2012-11-07 | 广州视睿电子科技有限公司 | Locking method and locking device for input peripheral |
| CN104331647A (en) * | 2014-10-22 | 2015-02-04 | 成都西可科技有限公司 | USB (universal serial bus) access control method based on passwords |
| CN104461950A (en) * | 2013-09-25 | 2015-03-25 | 联想(北京)有限公司 | Information processing method and device |
| CN104636656A (en) * | 2015-02-11 | 2015-05-20 | 深圳市美贝壳科技有限公司 | Method and system for loading control of storage device |
| CN104780156A (en) * | 2015-03-17 | 2015-07-15 | 成都盛思睿信息技术有限公司 | Secure cloud desktop system and USB access control method thereof |
| CN105468552A (en) * | 2014-09-12 | 2016-04-06 | 中兴通讯股份有限公司 | USB equipment driving method, host and USB equipment |
| CN110096910A (en) * | 2019-05-14 | 2019-08-06 | 北京天地和兴科技有限公司 | A kind of credible USB flash disk implementation method based on filter Driver on FSD |
| CN110837629A (en) * | 2019-11-04 | 2020-02-25 | 深圳市四季宏胜科技有限公司 | Software starting method, terminal and readable storage medium |
-
2009
- 2009-04-17 CN CN 200910049505 patent/CN101533452B/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901320A (en) * | 2010-07-29 | 2010-12-01 | 广东欧珀电子工业有限公司 | Data leakage prevention method for electronic book reader |
| CN102737175A (en) * | 2011-09-23 | 2012-10-17 | 新奥特（北京）视频技术有限公司 | Equipment access method and user equipment and device in data security protection and control |
| CN102737193A (en) * | 2011-09-23 | 2012-10-17 | 新奥特（北京）视频技术有限公司 | Equipment shielding method and device for data security prevention and control |
| CN102737197A (en) * | 2011-09-23 | 2012-10-17 | 新奥特（北京）视频技术有限公司 | Data equipment shielding method and device |
| CN102768719A (en) * | 2012-06-29 | 2012-11-07 | 广州视睿电子科技有限公司 | Locking method and locking device for input peripheral |
| CN104461950A (en) * | 2013-09-25 | 2015-03-25 | 联想(北京)有限公司 | Information processing method and device |
| CN104461950B (en) * | 2013-09-25 | 2018-07-06 | 联想(北京)有限公司 | A kind of information processing method and device |
| CN105468552A (en) * | 2014-09-12 | 2016-04-06 | 中兴通讯股份有限公司 | USB equipment driving method, host and USB equipment |
| CN104331647A (en) * | 2014-10-22 | 2015-02-04 | 成都西可科技有限公司 | USB (universal serial bus) access control method based on passwords |
| CN104636656A (en) * | 2015-02-11 | 2015-05-20 | 深圳市美贝壳科技有限公司 | Method and system for loading control of storage device |
| US10437741B2 (en) | 2015-02-11 | 2019-10-08 | Meibeike (Shenzhen) Technollogy Co., Ltd | Loading control method and system storage device |
| CN104780156A (en) * | 2015-03-17 | 2015-07-15 | 成都盛思睿信息技术有限公司 | Secure cloud desktop system and USB access control method thereof |
| CN110096910A (en) * | 2019-05-14 | 2019-08-06 | 北京天地和兴科技有限公司 | A kind of credible USB flash disk implementation method based on filter Driver on FSD |
| CN110837629A (en) * | 2019-11-04 | 2020-02-25 | 深圳市四季宏胜科技有限公司 | Software starting method, terminal and readable storage medium |
| CN110837629B (en) * | 2019-11-04 | 2022-09-06 | 深圳市四季宏胜科技有限公司 | Software starting method, terminal and readable storage medium |
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|---|---|
| CN101533452B (en) | 2012-05-09 |
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Owner name: HU'NAN QIU ZEYOU PATENT STRATEGIC PLANNING CO., LT Free format text: FORMER OWNER: QIU ZEYOU Effective date: 20101029 |
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Free format text: CORRECT: ADDRESS; FROM: 410005 28/F, SHUNTIANCHENG, NO.185, FURONG MIDDLE ROAD, CHANGSHA CITY, HU'NAN PROVINCE TO: 410205 JUXING INDUSTRY BASE, NO.8, LUJING ROAD, CHANGSHA HIGH-TECH. DEVELOPMENT ZONE, YUELU DISTRICT, CHANGSHA CITY, HU'NAN PROVINCE |
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Effective date of registration: 20101108 Address after: 3, No. 168 middle Tibet Road, No. 200001, Shanghai, Huangpu District Applicant after: Acer Computer (Shanghai) Co.,Ltd. Address before: 200120, 36 building, International Building, 360 South Road, Pudong New Area, Pudong, Shanghai, Shanghai Applicant before: Shanghai Beijing University Founder Technology Computer System Co.,Ltd. |
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