CN1959586B - Fingerprint hard disc, and data process method - Google Patents
Fingerprint hard disc, and data process method Download PDFInfo
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- CN1959586B CN1959586B CN2005101009771A CN200510100977A CN1959586B CN 1959586 B CN1959586 B CN 1959586B CN 2005101009771 A CN2005101009771 A CN 2005101009771A CN 200510100977 A CN200510100977 A CN 200510100977A CN 1959586 B CN1959586 B CN 1959586B
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Abstract
A fingerprint hard disc is prepared as connecting fingerprint transducer and hard disc body to USB controller through bus, identifying hard disc to be USB mass storage device to let host operate fingerprint software automatically and simultaneously identifying fingerprint transducer to be USB printing support device. The method for processing data of said head disc is also disclosed.
Description
Technical field the present invention relates to the data security memory technology, relates in particular to the hard disk and the data processing method thereof that ensure data security with fingerprint sensor.
Data on the common hard disk of background technology are stolen or are distorted by the people because of being easy to, thereby have very big potential safety hazard.In order to address this problem, the finger print hard disc that fingerprint equipment is combined and forms with hard disk has appearred.For example Chinese patent ZL00104622 discloses a kind of finger print hard disc that comprises Fingerprint Identification Unit and hard disk, Fingerprint Identification Unit has control interface, hard disk has power interface and signaling interface, whether Fingerprint Identification Unit is used for discerning user fingerprints and coincide, and send signal according to this recognition result to the hard disk control device, control power interface or signaling interface prearranged signals whether provide the visit of controlling hard disk.
In recent years, along with the hard disk (calling the USB hard disk in the following text) of being with USB (Universal Serial Bus, USB (universal serial bus)) interface is widely used as Mass Data Storage Facility, and become one of business people's essential items, the data security problem is outstanding all the more.The USB finger print hard disc provides a good solution for this reason: in order to keep the advantage that hard disk is portable, low-cost and be easy to visit, it is only fingerprint sensor, and fingerprint processor is not joined in the USB hard disk; Like this, the finger print data that sensor acquisition arrives must be through PC (Personal Computer, PC) the host process feature that takes the fingerprint.
At present, the method that the USB finger print hard disc is handled finger print data comprises: the one, utilize communication interface existing and the USB Mass Storage device type that Windows operating system is directly supported, and read finger print data or transmission fingerprint characteristic; The 2nd, be the specific communication interface of finger print hard disc configuration, and the exploitation specific drivers.
Above-mentioned the deficiencies in the prior art are, under windows platform, two kinds of user models of keeper and visitor (guest) are arranged, first method needs main frame to use off-gauge USB Mass Storage Device visit order to come the transmission fingerprint data, thereby finger print hard disc can not use under Guest User's pattern; Second method requires the user installation driver, and finger print hard disc can not use under the guest pattern.Because the user can only use fingerprint function under administrator mode, thereby has limited the usable range of described finger print hard disc, reduced the USB hard disk and moved the convenience of use, operation.
The summary of the invention the technical problem to be solved in the present invention is at above-mentioned the deficiencies in the prior art, and a kind of finger print hard disc and data processing method thereof are proposed, make the hard disk of being with USB interface can make full use of the system resource of main frame, under the prerequisite that ensures data security, the user can enjoy input of more smooth fingerprint and hard disc data access services simultaneously, and to the visit easy operating of this hard disk.
For solving the problems of the technologies described above, of the present inventionly be contemplated that substantially: fingerprint equipment and hard disc apparatus composite design are become unified control by the USB controller, and be hard disk and the different data-interface of fingerprint sensor definition, with USB Mass Storage Device and the USB Printing Support equipment that they is configured to the Windows standard respectively, thereby obtain the acquiescence support of operating system respectively, need not to carry out the exploitation or the installation of extras driver; Finger print hard disc can use under the guest pattern like this.In order further to strengthen data security, can also utilize fingerprint software that hard disc data is carried out subregion and show control.
As the technical scheme that realizes the present invention's design be, a kind of data processing method of finger print hard disc is provided, the finger print hard disc that is used to comprise fingerprint sensor, hard disk body, usb circuit and connects the USB controller of this circuit, ensure data security in the hard disk with fingerprint authentication, especially, comprise step:
The hard disk that A. will be loaded with fingerprint software is connected to the PC main frame by USB interface;
B. the input/output end port to this hard disk is configured with relevant access interface;
C. described main frame detects this connection, according to described configuration hard disk is identified as USB Mass Storage Device equipment, thereby moves described fingerprint software automatically; Also discerning described fingerprint sensor simultaneously is USB PrintingSupport equipment.
In the such scheme, also comprise step:
D. described fingerprint sensor is sent to described PC main frame with the finger print data that collects through the USB controller;
E. described PC host analysis finger print data also extracts feature, and the characteristic of correspondence data are sent to the USB controller;
F. described USB controller reads the sample data that is stored in the hard disk, compares with described characteristic; And come the visit of main control system to user data on the hard disk according to comparison result.
Or in the such scheme, also comprise step:
D. described fingerprint sensor is sent to described PC main frame with the finger print data that collects through the USB controller;
E. described PC host analysis finger print data also extracts feature, and the characteristic of correspondence data are sent to the USB controller;
F. described USB controller deposits described characteristic in the sample fingerprint memory block of hard disk.
Adopt technique scheme, can make full use of the bandwidth of usb bus, the user is carried out fingerprint input and hard disc data visit simultaneously, and need not artificial install software on main frame, brings the convenience in the use.
Description of drawings Fig. 1 is a finger print hard disc theory diagram of the present invention
Fig. 2 is a hard disc data partition holding synoptic diagram of the present invention
Fig. 3 is a fingerprint equipment order data processing procedure synoptic diagram of the present invention
Fig. 4 is inner each the element circuit connection diagram of finger print hard disc of the present invention
Fig. 5 is fingerprint equipment flow chart of data processing figure of the present invention
Below the embodiment, the most preferred embodiment shown in is further set forth the present invention in conjunction with the accompanying drawings.
Fig. 1 has illustrated finger print hard disc of the present invention.It comprises fingerprint sensor, hard disk body, usb circuit that is used for reading the user fingerprints data and the USB controller that connects this circuit, and this controller is used for carrying out the comparison of fingerprint characteristic data and sample data and the transmission of control interface data.Because the analyzing and processing finger print data also obtains a lot of calculated amount of described fingerprint characteristic data needs, this be not general USB controller or single-chip microcomputer can finish fast, therefore fingerprint sensor of the present invention is connected described USB controller respectively with the hard disk body, thereby utilizes main frame to finish this data processing task.Shown in Fig. 4 embodiment, the hard disk body can connect the USB controller by ide interface, fingerprint sensor can connect the USB controller by the serial or parallel interface.The comparison of described fingerprint characteristic data and sample data also can be finished by a single-chip microcomputer in addition, also within protection visit of the present invention.
For data security, the finger print hard disc method for making that the embodiment of the invention provides comprises step:
A. hard disk form is turned at least 2 subregions;
B. cut off the access links between the 1st subregion and other subregion;
C. in the 1st subregion, be written into fingerprint software.
The hard disc data partition holding of making according to this method as shown in Figure 2, hard disk memory region comprises at least two data subregions from inside to outside: application partition and user data area.The data of application partition are set to read-only data, comprise offering the described fingerprint software that PC is used for operating finger print hard disc; The user data subregion is used for depositing user's service data, readablely maybe can write.When this finger print hard disc inserts main frame USB interface, only visible application partition in Windows operating system, and the user data subregion must wait the registered user through the finger print data of fingerprint sensor input be verified qualified after just as seen.Like this, the data of nonregistered user in just can't the calling party data partition, thus ensured secure user data.
In addition, the storage area of described hard disk can also comprise the another data partition that is positioned at periphery: the sample fingerprint memory block is used for storing registered user's sample fingerprint data.This sample data can comprise a plurality of users' fingerprint characteristic data, and can further deposit with the form of encrypting (such as but not limited to 64 DES algorithm for encryption) data.This data partition is positioned at the rear end of data in magnetic disk indexed sequential, is sightless zone all the time in Windows operating system, thereby prevents that unauthorized user from usurping wherein finger print information by simple copy.
The data processing method of the present invention that is used for this finger print hard disc comprises step:
The hard disk that A. will be loaded with fingerprint software is connected to the PC main frame by USB interface;
B. the input/output end port to this hard disk is configured with relevant access interface;
C. described main frame detects this connection, according to described configuration hard disk is identified as USB Mass Storage Device
Equipment, thus move described fingerprint software automatically; Also discerning described fingerprint sensor simultaneously is USB PrintingSupport equipment.
Described configuration comprises according to the USB standard and comes configuration device type, subtype or agreement, because of belonging to prior art, does not give unnecessary details at this.Like this, finger print hard disc of the present invention can be supported under the guest user model and use.Shown in Fig. 5 flow process, behind the execution of step C, PC is with the display application program sectioning.Subsequently, described USB controller will be discerned from the storage device commands of PC or fingerprint equipment order, and handle accordingly.
Wherein, at fingerprint equipment, data processing method of the present invention also comprises finger print data treatment step as shown in Figure 3:
D. described fingerprint sensor is sent to described PC main frame with the finger print data that collects through the USB controller;
E. described PC host analysis finger print data also extracts feature, and the characteristic of correspondence data are sent to the USB controller;
F. described USB controller reads the sample data that is stored in the hard disk, compares with described characteristic; And come the visit of main control system to user data on the hard disk according to comparison result.
Wherein, described finger print data among step D and the E or characteristic can be transmitted with the form of enciphered data.Because of the non-emphasis of the present invention of algorithm that data are encrypted or deciphered, there is multiple mode to be used in the existing simultaneously document, therefore do not give unnecessary details at this.
In the step F, if described comparison result is for conforming to, described USB controller will chain subregion 1 (application partition) and subregion 2 (user data subregion), and PC enumerates memory device again then, can show original sightless user data area.Otherwise this user data area still is invisible.
The step F of above-mentioned processing procedure also can be by step F ' substitute:
F '. described USB controller deposits described characteristic in the sample fingerprint memory block of hard disk.
Execution in step F ' or step F, depend on the order from PC that described USB controller receives: when this order is log-in command, execution in step F '; When this order is verification command, execution in step F.Can control the above-mentioned correlated process of realization with the solidification software that is arranged in the internal or external storer of described USB controller easily.
Claims (7)
1. the data processing method of a finger print hard disc is used to the finger print hard disc of the USB controller that comprises fingerprint sensor, hard disk, usb circuit and connect this circuit, ensures with fingerprint authentication to it is characterized in that data security in the hard disk, comprises step:
The hard disk that A. will be loaded with fingerprint software is connected to the PC main frame by USB interface;
B. the input/output end port to this hard disk is configured with relevant access interface;
C. described main frame detects this connection, according to described configuration hard disk is identified as USB Mass Storage Device equipment, thereby moves described fingerprint software automatically; Also discerning described fingerprint sensor simultaneously is USB PrintingSupport equipment.
2. according to the data processing method of the described finger print hard disc of claim 1, it is characterized in that, also comprise step:
D. described fingerprint sensor is sent to described PC main frame with the finger print data that collects through the USB controller;
E. described PC host analysis finger print data also extracts feature, and the characteristic of correspondence data are sent to the USB controller;
F. described USB controller reads the sample data that is stored in the hard disk, compares with described characteristic; And come the visit of main control system to user data on the hard disk according to comparison result.
3. according to the data processing method of the described finger print hard disc of claim 1, it is characterized in that:
Described fingerprint software is arranged on the visible application partition of hard disk.
4. according to the data processing method of the described finger print hard disc of claim 2, it is characterized in that,
Described finger print data or characteristic among step D and the E are all transmitted with the form of enciphered data.
5. according to the data processing method of the described finger print hard disc of claim 2, it is characterized in that:
Described sample data of step F and user data are separately positioned on invisible area and the read-write zone on the hard disk memory region.
6. according to the data processing method of claim 2 or 5 described finger print hard discs, it is characterized in that:
In the step F, if described comparison result is for conforming to, described PC enumerates memory device again and shows described user data or read-write zone.
7. according to the data processing method of the described finger print hard disc of claim 1, it is characterized in that, also comprise step:
D. described fingerprint sensor is sent to described PC main frame with the finger print data that collects through the USB controller;
E. described PC host analysis finger print data also extracts feature, and the characteristic of correspondence data are sent to the USB controller;
F. described USB controller deposits described characteristic in the sample fingerprint memory block of hard disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005101009771A CN1959586B (en) | 2005-11-01 | 2005-11-01 | Fingerprint hard disc, and data process method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005101009771A CN1959586B (en) | 2005-11-01 | 2005-11-01 | Fingerprint hard disc, and data process method |
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| Publication Number | Publication Date |
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| CN1959586A CN1959586A (en) | 2007-05-09 |
| CN1959586B true CN1959586B (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2005101009771A Expired - Fee Related CN1959586B (en) | 2005-11-01 | 2005-11-01 | Fingerprint hard disc, and data process method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093146A (en) * | 2011-10-27 | 2013-05-08 | 上海工程技术大学 | Method and device for encrypting and decrypting Windows system partitions by fingerprints |
| CN108573177A (en) * | 2017-03-13 | 2018-09-25 | 上海传英信息技术有限公司 | A kind of terminal interface control method, control system and mobile terminal |
| CN109409073A (en) * | 2018-12-13 | 2019-03-01 | 杭州华澜微电子股份有限公司 | A kind of safe hard-disk cartridge of finger print identifying and its mobile hard disk |
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| CN1959586A (en) | 2007-05-09 |
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