CN103544425A - Encryption universal serial bus (USB) flash disk and authentication method and system thereof - Google Patents
Encryption universal serial bus (USB) flash disk and authentication method and system thereof Download PDFInfo
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- CN103544425A CN103544425A CN201310533904.6A CN201310533904A CN103544425A CN 103544425 A CN103544425 A CN 103544425A CN 201310533904 A CN201310533904 A CN 201310533904A CN 103544425 A CN103544425 A CN 103544425A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
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Abstract
An authentication system of an encryption universal serial bus (USB) flash disk comprises the encryption USB flash disk, a host end and a mobile terminal. The encryption USB flash disk is inserted into the host end and comprises a USB port, a controller, a storage, a decoder and a camera. The USB port and the storage are respectively connected with the controller. The camera is used for scanning image information displayed by the mobile terminal. The decoder is used for identifying image information recorded by the camera and sending the image information to the controller to conduct analysis and verification. The host end is used for accessing the encryption USB flash disk after the verification is passed. Due to the fact that complex original password information is set through the mobile terminal and the image information is displayed for the encryption USB flash disk to conduct scanning and authentication during authentication, the problem of password leakage caused by password input through a keyboard is solved, and the safety is improved. The invention further provides the encryption USB flash disk and an authentication method of the encryption USB flash disk.
Description
Technical field
The present invention relates to information security field, particularly relate to a kind of encrypted U disk and authentication method thereof and Verification System.
Background technology
In recent years, along with the portability of mobile digital memory device, Related product is also more and more abundanter.The advantages such as USB flash disk is large with its capacity, volume is little, reading speed is fast, become the general choice of data on file in people's daily life work.But along with constantly there being the personal information event of leaking causing because of memory device to expose, its security is also more and more paid close attention to.Traditional encrypted U disk is comprised of USB flash disk main body, numeric keypad and crypto module, and user can manually input password by numeric keypad and be encrypted, but because numeric keypad is open, password disclosure risk is high, and security is low.
Summary of the invention
Based on this, being necessary, for the low problem of conventional USB flash drive security, provides a kind of safe encrypted U disk.
In addition, be also necessary to provide a kind of authentication method and Verification System of encrypted U disk.
, comprising USB interface, controller and storer, described USB interface is connected with described controller respectively with described storer, and described encrypted U disk also comprises demoder and camera; Described demoder is connected with described controller with described camera respectively, for identifying the image information of described camera record, and sends to described controller to resolve checking described image information.
Therein in an embodiment, described demoder comprises the automatic calibration window module of taking pictures, and described automatic calibration is taken pictures window module for adjusting camera parameter.
In an embodiment, described controller comprises therein:
The resolution unit being connected with described demoder, for resolving described image information the original password information that obtains;
The authentication unit being connected with described resolution unit, for verifying described original password information.
In an embodiment, described image information is the technology digital coding image that records original password information therein.
Therein in an embodiment, described technology digital coding image is two-dimensional bar image or one-dimensional bar code image or color bar code image or the mixing bar code image that comprises two or more bar code image.
A Verification System for encrypted U disk, comprises encrypted U disk, host side and mobile terminal, and described encrypted U disk is plugged on described host side, and described encrypted U disk is above-mentioned encrypted U disk;
Described mobile terminal comprises:
Load module, for inputting original password information;
Processing module, for receiving original password information, and by original password Information generation image information;
Display module, for showing described image information;
The image information that described camera shows for scanning mobile terminal;
Described host side, for after being verified, is accessed described encrypted U disk.
In an embodiment, described mobile terminal also comprises therein: memory module, and for storing described image information.
An authentication method for encrypted U disk, comprises the following steps:
The image information that scanning mobile terminal shows;
Record described image information;
Identify described image information;
Described image information is resolved to the original password information that obtains;
Verify described original password information, if be verified, described encrypted U disk can be accessed.
Therein in an embodiment, the image information that described mobile terminal shows, realizes by following steps:
Receive original password information;
By described original password Information generation image information;
On mobile terminal, show described image information.
In an embodiment, described image information is the technology digital coding image that records original password information therein.
Therein in an embodiment, described technology digital coding image is two-dimensional bar image or one-dimensional bar code image or color bar code image or the mixing bar code image that comprises two or more bar code image.
Above-mentioned encrypted U disk and authentication method thereof and Verification System, owing to can inputting the information such as numeral, letter, symbol and word by mobile terminal, therefore what original password information can be arranged is very complicated, then by original password Information generation image information, and in when authentication, demonstrate image information and carry out scanning certification for encrypted U disk, avoided inputting by keyboard the problem that password causes password to reveal, improved security.
Accompanying drawing explanation
Fig. 1 is the structural representation of the encrypted U disk of an embodiment;
Fig. 2 is the Verification System structural representation of the encrypted U disk of an embodiment;
Fig. 3 is the authentication method process flow diagram of the encrypted U disk of an embodiment.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.A lot of details have been set forth in the following description so that fully understand the present invention.But the present invention can implement to be much different from alternate manner described here, and those skilled in the art can do similar improvement without prejudice to intension of the present invention in the situation that, so the present invention is not subject to the restriction of following public concrete enforcement.
Refer to Fig. 1, a kind of encrypted U disk 100 comprises usb 1 10, camera 120, demoder 130, controller 140 and storer 150.
Usb 1 10 is connected with controller 140 respectively with storer 150.
Wherein, usb 1 10 is USB2.0/3.0 interface, for realizing data transmission.Usb 1 10 is inserted to host side, and this host side can be the host side of desk-top or mobile PC, can be also the host side of audio or video playback equipment, can also be the host side of password access etc.Under original state, host side gives encrypted U disk 100 power supplies by usb 1 10.
Demoder 130 is connected with controller 140 with camera 120 respectively, for the image information of identification camera 120 records, and sends to controller 140 to resolve checking this image information.
Wherein, image information is the technology digital coding image that records original password information.The mixing bar code image that this technology digital coding image can be two-dimensional bar image or one-dimensional bar code image or color bar code image or comprises two or more bar code image.
Demoder 130 comprises the automatic calibration window module of taking pictures, and this automatic calibration is taken pictures window module for adjusting camera parameter, makes camera get image information more conveniently.
Refer to Fig. 2, the Verification System structural representation of the encrypted U disk of an embodiment.The Verification System 200 of encrypted U disk comprises mobile terminal 210, encrypted U disk 220 and host side 230.
Wherein, mobile terminal 210 comprises load module 2102, processing module 2104 and display module 2106.
User is by the load module 2102 input original password information of mobile terminal.Therefore because the load module 2102 of mobile terminal can be inputted numeral, letter, symbol and word etc., what the load module by mobile terminal can be by the setting of original password information is very complicated, is difficult for cracking.
In addition, the present invention utilizes the load module of mobile terminal, can not be used in the keyboard that large volume is set on USB flash disk, has saved large quantity space, has reduced USB flash disk volume, can save production cost.
The processing module 2104 of mobile terminal is for receiving original password information, and by original password Information generation image information.
The display module 2106 of mobile terminal is for displays image information.
Wherein, image information is the technology digital coding image that records original password information.This technology digital coding image can be the mixing bar code image of two-dimensional bar image or one-dimensional bar code image or color bar code image or above two kinds of bar code images.
In the present embodiment, mobile terminal 210 also comprises memory module 2108.Processing module 2104 receives original password information, and is stored in memory module 2108 after original password Information generation image information.When needs authenticate, image information is read and is presented in display module 2106 from memory module 2108, do not need user all to input password at every turn, easy and simple to handle, the problem that causes after also having avoided periphery personnel to spy on password to reveal.
Wherein, encrypted U disk 220 is the encrypted U disk in Fig. 1, comprises USB interface 2202, camera 2204, demoder 2206, controller 2208 and storer 2210.
After in mobile terminal 210, image information being read from memory module 2108 and being presented at display module 2106, the image information of 2204 pairs of demonstrations of camera of encrypted U disk 220 scans, and records this image information.The image information of 2206 pairs of records of demoder is identified.Controller 2208 is resolved image information, parses original password information wherein, and original password information is verified.Demoder 2206 comprises the automatic calibration window module of taking pictures, and this automatic calibration is taken pictures window module for adjusting camera parameter, makes camera get image information more conveniently.
Under original state, host side 230 gives encrypted U disk 220 power supplies, and user can not carry out read-write operation to it.Only be verified, encrypted U disk 220 is just in can accessed state.Otherwise if checking is not passed through, encrypted U disk 220 is all the time in power-up state, user can not see the content of storing in encrypted U disk, can not carry out read-write operation to it.
Refer to Fig. 3, the authentication method of the encrypted U disk of an embodiment, comprises the following steps:
The image information that S310, scanning mobile terminal show.
In the present embodiment, the image information that mobile terminal shows realizes by following steps:
(1) receive original password information;
(2) by original password Information generation image information;
(3) displays image information.
Be appreciated that in step (2) and can also comprise the following steps afterwards: store image information.By after original password Information generation image information, store, during authentication, only the image information of storage need be read and is presented on mobile terminal, by scan image information, authenticate, do not need user all to input password at every turn, problem easy and simple to handle, to cause after also having avoided periphery personnel to spy on password to reveal.
Certainly, in other embodiments, the step of store image information also can be omitted.Just need all will carry out step (1), (2), (3) before each authentication.
S320, record described image information.
Concrete, image information is aimed to the camera of encrypted U disk, camera scans laggard line item to image information.
S330, recognition image information.
In the present embodiment, image information is the technology digital coding image that records original password information.The mixing bar code image that this technology digital coding image can be two-dimensional bar image or one-dimensional bar code image or color bar code image or comprises two or more bar code image.
Be appreciated that in other embodiments, image information can also be other coded messages, as long as it can record original password information, and can be by corresponding software identification.
S340, described image information is resolved to the original password information that obtains.
S350, verify described original password information, if be verified, described encrypted U disk can be accessed.
Under original state, encrypted U disk is in power-up state, and user can not carry out read-write operation to it.Only be verified, encrypted U disk is just in addressable state.Otherwise if checking is not passed through, the image information of camera sweep record is not the image information that records original password, encrypted U disk is all the time in power-up state, and user can not see the content of storing in encrypted U disk, can not carry out read-write operation to it.
Above-mentioned encrypted U disk and authentication method thereof and Verification System, owing to can inputting the information such as numeral, letter, symbol and word by mobile terminal, therefore what original password information can be arranged is very complicated, then by original password Information generation image information, and in when authentication, demonstrate image information and carry out scanning certification for encrypted U disk, avoided inputting by keyboard the problem that password causes password to reveal, improved security.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an encrypted U disk, comprises USB interface, controller and storer, and described USB interface is connected with described controller respectively with described storer, it is characterized in that, described encrypted U disk also comprises demoder and camera; Described demoder is connected with described controller with described camera respectively, for identifying the image information of described camera record, and sends to described controller to resolve checking described image information.
2. encrypted U disk as claimed in claim 1, is characterized in that, described demoder comprises the automatic calibration window module of taking pictures, and described automatic calibration is taken pictures window module for adjusting camera parameter.
3. encrypted U disk as claimed in claim 1, is characterized in that, described controller comprises:
The resolution unit being connected with described demoder, for resolving described image information the original password information that obtains;
The authentication unit being connected with described resolution unit, for verifying described original password information.
4. encrypted U disk as claimed in claim 1, is characterized in that, described image information is the technology digital coding image that records original password information.
5. encrypted U disk as claimed in claim 4, is characterized in that, described technology digital coding image is two-dimensional bar image or one-dimensional bar code image or color bar code image or the mixing bar code image that comprises two or more bar code image.
6. a Verification System for encrypted U disk, comprises encrypted U disk, host side and mobile terminal, and described encrypted U disk is plugged on described host side, it is characterized in that, described encrypted U disk is the encrypted U disk as described in any one in claim 1 to 5;
Described mobile terminal comprises:
Load module, for inputting original password information;
Processing module, for receiving original password information, and by original password Information generation image information;
Display module, for showing described image information;
The image information that described camera shows for scanning mobile terminal;
Described host side, for after being verified, is accessed described encrypted U disk.
7. the Verification System of encrypted U disk as claimed in claim 6, is characterized in that, described mobile terminal also comprises: memory module, and for storing described image information.
8. an authentication method for encrypted U disk, comprises the following steps:
The image information that scanning mobile terminal shows;
Record described image information;
Identify described image information;
Described image information is resolved to the original password information that obtains;
Verify described original password information, if be verified, described encrypted U disk can be accessed.
9. the authentication method of encrypted U disk as claimed in claim 8, is characterized in that, the image information that described mobile terminal shows realizes by following steps:
Receive original password information;
By described original password Information generation image information;
On mobile terminal, show described image information.
10. the authentication method of encrypted U disk as claimed in claim 8, is characterized in that, described image information is the technology digital coding image that records original password information;
Described technology digital coding image is two-dimensional bar image or one-dimensional bar code image or color bar code image or the mixing bar code image that comprises two or more bar code image.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310533904.6A CN103544425A (en) | 2013-10-31 | 2013-10-31 | Encryption universal serial bus (USB) flash disk and authentication method and system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310533904.6A CN103544425A (en) | 2013-10-31 | 2013-10-31 | Encryption universal serial bus (USB) flash disk and authentication method and system thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105426742A (en) * | 2015-11-30 | 2016-03-23 | 广东小天才科技有限公司 | Method and device for connecting mobile terminal with computer |
| CN109902481A (en) * | 2019-03-07 | 2019-06-18 | 北京深思数盾科技股份有限公司 | A kind of encryption lock authentication method and encryption equipment for encrypting equipment |
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| CN103366797A (en) * | 2013-07-19 | 2013-10-23 | 丁贤根 | Design method of security U disk by employing wireless authentication terminal for authorizing authentication, encryption and decryption |
| CN103366196A (en) * | 2012-03-27 | 2013-10-23 | 慧智网股份有限公司 | Two-dimensional bar code connecting method |
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2013
- 2013-10-31 CN CN201310533904.6A patent/CN103544425A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130091548A1 (en) * | 2011-10-07 | 2013-04-11 | Maxim Integrated Products, Inc. | Sending digital data visually using mobile display and camera sensor |
| CN103366196A (en) * | 2012-03-27 | 2013-10-23 | 慧智网股份有限公司 | Two-dimensional bar code connecting method |
| CN103366797A (en) * | 2013-07-19 | 2013-10-23 | 丁贤根 | Design method of security U disk by employing wireless authentication terminal for authorizing authentication, encryption and decryption |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105426742A (en) * | 2015-11-30 | 2016-03-23 | 广东小天才科技有限公司 | Method and device for connecting mobile terminal with computer |
| CN109902481A (en) * | 2019-03-07 | 2019-06-18 | 北京深思数盾科技股份有限公司 | A kind of encryption lock authentication method and encryption equipment for encrypting equipment |
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