CN101082884A - Finger print safety storage U disk - Google Patents
Finger print safety storage U disk Download PDFInfo
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- CN101082884A CN101082884A CNA2006100168934A CN200610016893A CN101082884A CN 101082884 A CN101082884 A CN 101082884A CN A2006100168934 A CNA2006100168934 A CN A2006100168934A CN 200610016893 A CN200610016893 A CN 200610016893A CN 101082884 A CN101082884 A CN 101082884A
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Abstract
The invention discloses a safe memory U-disc of fingerprint, which consists of U-disc case and USB interface to connect the case, wherein the controller, fingerprint sensor to connect the controller through line, memory device, USB interface are loaded on the main board in the U-disc case; the memory device is divided into three functional areas with main program area, hide area and private area; the main program area is to store the fingerprint identifying program to authorize user to enter user using space rapidly through built-in fingerprint driving and page-changing technique; the hide area can't be seen by user, which stores the information of fingerprint character not be duplicated when operating the program; the private area is the space for user to store and read file after testing the fingerprint through bit-grade detaching algorism or reverse algorism, which finishes coding and decoding course. The invention has multi-layer protecting function, which is safer to store data.
Description
Technical field
The invention belongs to the hardware of computer system, specially refer to a kind of memory storage that has fingerprint identification function.
Background technology
Along with development of electronic technology, the widespread use of computing machine, the information security of computing machine is maintained secrecy and more and more to be come into one's own, even move as the temporary transient of file, also usually needs a kind of reliable device to come data are carried out safekeeping in order to ensure the safety of file.At present, fingerprint identification technology has obtained extensive usefulness, for example: the Chinese patent publication number be open day of CN1314655 for September 26 calendar year 2001 denomination of invention be finger print hard disc, this application case discloses a kind of memory storage with Fingerprint Identification Unit and hard disk combination, utilize fingerprint to carry out identity and debate knowledge, having only me just can enter storage space operates, compared with modes such as traditional employing password or other keys, make the data of storage safer, but, this invention only depends on fingerprint identification technology still must unavoidably steal storage chip separately, and is solded on other storage chip control panel, steals the possibility of decoding.In addition, traditional USB flash disk, cap separates with housing, and cap is easy to lose, and uses also very inconvenient.
Summary of the invention
Purpose of the present invention is exactly the deficiency that prior art is existed, propose a kind of except that having finger print identification function, The data dynamic key encryption and decryption to storage splits storage with the bit level simultaneously, key separates with the ciphertext algorithm, makes it have the finger print safety storage U disk of multilayer defencive function;
Another object of the present invention is to adopt fingerprint to drive built-in and a change page or leaf technology, makes authorized user enter usage space quickly and easily;
A further object of the present invention is without the shell cap, the USB interface and the USB flash disk housing of USB flash disk can be placed in the groove of USB flash disk valve jacket, to avoid losing the inconvenience that brings to the user because of the shell cap.
The purpose of this invention is achieved through the following technical solutions:
This invention mainly comprises USB flash disk housing and the USB interface that is connected thereof, and controller, fingerprint sensor, memory storage are housed on the mainboard in the USB flash disk housing, and controller links to each other with USB interface, fingerprint sensor, memory storage by circuit respectively;
Wherein, USB interface: peg graft with the computing machine USB interface, in order to exchange message and accept operational order; Fingerprint sensor: mainly be to gather individual fingerprint characteristic information, be used for identification of fingerprint; Controller: mainly be the work of coordinating fingerprint sensor, memory storage and computing machine, realize safe and orderly information is handled, and the data on the usb bus are added, decipher; Memory storage: the method by reset file allocation table and self-built file memory format preferably becomes the memory storage scribing 3 districts, i.e. main program area, hidden area, private area with 2-4 district of memory storage scribing; Main program area: mainly deposit the fingerprint recognition program, and adopt fingerprint to drive built-in and a change page or leaf technology, make authorized user can just enter user's usage space more efficiently; The hidden area: the user is invisible, is mainly used to deposit the information of fingerprint feature point, and for cooperating network security to deposit capsule information such as pkI, program can be moved, but can not be replicated; Private area: be the space that authorized user uses, in the private area that authorized user uses, store and all will pass through the fingerprint recognition program when reading file, and through becoming a page technology, enter the authorized user usage space, simultaneously the secret key encryption and the deciphering that also will go out through the algorithm computation in controller; During data encryption, encryption key generates at random according to each finger print identifying unique point, be not kept in the flash, during deciphering according to the unique point code and the encrypt file condition code computing generating solution decryption key of storage; In addition, for guaranteeing the safety of data, can adopt encryption and bit level to split storage simultaneously to the data that deposit in, be about to each byte and split according to bit, the data after the fractionation are by specific hardware or software algorithm, and promptly zones of different or the plate that deposits storage chip in according to different address informations and file identification carries in the chip, and self-built new file allocation table, preserve the compression back, when reading numeral this algorithm deciphering back and decompress files allocation table is carried among the RAM to plate, realizes writing and reading of data.Therefore use the bit level to split algorithm, file is present on flash and the controller chip stored space, and only the data of flash inside are incomplete, and therefore adopting the reverse decoding of method of decompiling is invalid basically.As reading of data, also must carry out fingerprint authentication, and split the inverse operation deciphering of algorithm, thereby prevent that effectively stealing flash separately carries out the means that the USB flash disk internal data is obtained through the bit level.
The USB interface of this invention USB flash disk is connected with the USB flash disk valve jacket by axle with the USB flash disk housing, USB interface and USB flash disk housing can be folded and placed in the USB flash disk housing groove, without the shell cap, can avoid the inconvenience that brings to the user of losing because of the shell cap.
The fingerprint sensor of this invention, the push type capacitive transducer that adopts the semiconductor die chip technology to make; Memory storage is to adopt NAND type flash storer; Controller is to adopt the microprocessor of 16 bit, and built-inly adds, decipher to patrol and make a bow with hands clasped, and supports NAND flash and USB high-speed communication, and realization adds in real time, decryption acts.
Because this invention adopted fingerprint identification technology, make crack and usurp cryptographic means become impossible.Split the algorithm stores data to depositing The data dynamic key encryption and decryption in the flash and bit level in, effectively prevented to steal the flash chip separately and be solded into the means of stealing the USB flash disk internal data on other the flash chip controls plate.Storage space is carried out scribing, help integrated management, and the program in the hidden area can not be replicated storage space and controller inner space.The data that authorized user is stored in the private area are safer, and simultaneously owing to adopt and become page or leaf technology and fingerprint and drive built-inly, USB interface and USB flash disk housing be collapsible to be placed in the groove of USB flash disk valve jacket, and it is more convenient that the user is used.
Description of drawings
Fig. 1 external structure synoptic diagram of the present invention
Fig. 2 inner structure synoptic diagram of the present invention
Fig. 3 embodiment of the invention hardware configuration structure synoptic diagram
The process flow diagram that Fig. 4 the present invention adds, deciphers data
Wherein: the groove 5-U dish valve jacket 6-controller 7-memory storage of the USB interface 3-fingerprint sensor 4-U dish valve jacket of 1-U dish housing 2-U dish.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in detail:
As depicted in figs. 1 and 2: the USB interface 2 that the present invention mainly comprises USB flash disk housing 1 and is connected, controller 6, fingerprint sensor 3, memory storage 7 are housed on the mainboard in USB flash disk housing 1, and controller 6 links to each other with USB interface 2, fingerprint sensor 3, memory storage 7 by circuit respectively; USB interface 2 is connected with USB flash disk valve jacket 5 by axle with USB flash disk housing 1, and USB interface 2 and USB flash disk housing 1 can be folded and placed in the groove 4 of USB flash disk valve jacket 5.
Wherein: fingerprint sensor 3, the push type capacitive transducer that adopts the semiconductor die chip technology to make; Memory storage 7 is to adopt NAND type Flash storer; Controller 6 is to adopt the microprocessor of 16 bit and built-in encryption logic, supports NAND flash and USB high-speed communication.Fig. 3 is an embodiment of the invention hardware configuration structure synoptic diagram.
The present invention is based on Windows series operating system and designs application software, achieves the storage, initialize memory of processing, the data of finger print image etc.
To adding of data, decrypting process, as shown in Figure 4: when the USB interface 2 that will invent is inserted USB interface of computer, automatically eject the Run.exe double-click and enter the finger print identifying interface, start the finger print identifying program, open fingerprint sensor 3 information that takes the fingerprint by controller 6 control, controller 6 is sent into Computer Processing with finger print information by USB interface 2 then, if login this invention for the first time, the hidden area that the finger print information that petty machine is as calculated handled will be deposited in the memory storage 7 as feature shelves via controller 6 in the mode of unique point, need through fingerprint authentication as logining once more, the finger print information that fingerprint sensor 3 obtains is sent to controller 6, controller 6 is sent into Computer Processing with finger print information through USB interface 2 again, and the fingerprint characteristic shelves that are deposited in the hidden area are together compared, then comparison result information is returned controller 6 through USB interface 2, as compare success, and then becoming the page or leaf algorithm and start, the private space of opening in the memory storage 7 by controller 6 uses for the user; Encrypt and split algorithm simultaneously and also start simultaneously, and call in RAM for being authorized user storage, the use of extraction data.As compare failure and then turn back to the finger print identifying interface.
Wherein, become the page or leaf algorithm: the flash chip-stored mechanism of USB flash disk connects photograph " page or leaf " and is base unit.Just as the sector of hard disk, it is that a kind of space of information stores is described, and every page has different address informations, when the user reads page, be the specific partition table that connects according to the usb protocol defined, looks for document location.And " becoming page or leaf " technology, exactly partition table is controlled, adopt finger print information that partition table is carried out conversion, when computing machine normally reads partition table information, owing to lack necessary finger print information, this partition table can be thought invalid partition table not by computer Recognition, just as being replaced " page or leaf " address in the flash space; And carry in the chip by being stored in plate behind the encrypting fingerprint real " page or leaf " address, have only finger print identifying to pass through after, could call in plate to the deciphering of the partition table after encrypting and carry and participate in computing among the RAM, thereby obtain real " page or leaf " address.
Split algorithm: the bit level splits algorithm and mainly is, each byte is split according to bit, data after the fractionation are by specific hardware or software algorithm, promptly zones of different or the plate that deposits storage chip in according to different address informations and file identification carries in the chip, and self-built new file allocation table, preserve the compression back, during reading of data this algorithm deciphering back and decompress files allocation table is carried among the RAM to plate, realizes writing and reading of data.
Claims (9)
1, a kind of finger print safety storage U disk, the USB interface [2] that mainly comprises USB flash disk housing [1] and be connected, it is characterized in that: controller [6], fingerprint sensor [3], memory storage [7] are housed on the mainboard in USB flash disk housing [1], and controller [6] links to each other with USB interface [2], fingerprint sensor [3], memory storage [7] by circuit respectively; Wherein: USB interface [2] and computing machine USB interface are pegged graft, in order to exchange message and accept operational order; Fingerprint sensor [3] is gathered the user fingerprints characteristic information, is used for fingerprint recognition; Controller [6] mainly is the work of coordinating fingerprint sensor [3], memory storage [7] and computing machine, realizes safe and orderly information is handled, and the data on the usb bus are added in real time, decipher; Memory storage [7] becomes 2-4 district by the method for reset file allocation table and self-built file memory format with the memory storage scribing, respectively the information of fingerprint recognition program, fingerprint feature point, the space that authorized user uses etc. is placed in the different districts.
2, a kind of finger print safety storage U disk as claimed in claim 1 is characterized in that: described memory storage [7] scribing becomes three districts, i.e. main program area, hidden area, private area; Wherein, main program area: mainly deposit the fingerprint recognition program, and adopt fingerprint to drive built-in and a change page or leaf technology, make authorized user can conveniently enter the private area that the user uses; The hidden area: the user is invisible, is mainly used to deposit the information of fingerprint feature point, and for cooperating network security to deposit capsule information such as pk1, program can be moved, but can not be replicated; Private area: be the private space that authorized user uses.
3, a kind of finger print safety storage U disk as claimed in claim 1 or 2, it is characterized in that: in described memory storage [7], in the private area that authorized user uses, store and read secret key encryption and deciphering that file all will go out through the algorithm computation in controller, and adopt the bit level to split algorithm, and splitting the back storage, decrypting process is realized by inverse operation, and key separates with the ciphertext algorithm, thereby has prevented that effectively stealing flash separately carries out the means that the USB flash disk internal data is obtained.
4, a kind of finger print safety storage U disk as claimed in claim 1 or 2, it is characterized in that: this invention USB interface [2] is connected with USB flash disk valve jacket [5] by axle with USB flash disk housing [1], and USB interface [2] and USB flash disk housing [1] can be folded and placed in the groove [4] of USB flash disk valve jacket [5], without the shell cap, can avoid the inconvenience that brings to the user of losing because of the shell cap.
5, a kind of finger print safety storage U disk as claimed in claim 3, it is characterized in that: this invention USB interface [2] is connected with USB flash disk valve jacket [5] by axle with USB flash disk housing [1], and USB interface [2] and USB flash disk housing [1] can be placed in the groove [4] of USB flash disk valve jacket [5], without the shell cap, can avoid the inconvenience that brings to the user of losing because of the shell cap.
6, a kind of finger print safety storage U disk as claimed in claim 1 or 2 is characterized in that: said fingerprint sensor [3], the push type capacitive transducer that adopts the semiconductor die chip technology to make; Said memory storage [7] is to adopt NAND type Flash storer; Said controller [6] is to adopt the microprocessor of 16 bit and built-in encryption logic, supports NAND flash and USB high-speed communication.Add in real time, decryption acts.
7, a kind of finger print safety storage U disk as claimed in claim 3 is characterized in that: said fingerprint sensor [3], the push type capacitive transducer that adopts the semiconductor die chip technology to make; Said memory storage [7] is to adopt NAND type Flash storer; Said controller [6] is to adopt 16 bit microprocessors and built-in encryption logic, supports NAND flash and USB high-speed communication.Add in real time, decryption acts.
8, a kind of finger print safety storage U disk as claimed in claim 4 is characterized in that: said fingerprint sensor [3], the push type capacitive transducer that adopts the semiconductor die chip technology to make; Said memory storage [7] is to adopt NAND type Flash storer; Said controller [6] is to adopt the microprocessor of 16 bit and built-in encryption logic, supports NAND flash and USB high-speed communication.Add in real time, decryption acts.
9, a kind of finger print safety storage U disk as claimed in claim 5 is characterized in that: said fingerprint sensor [3], the push type capacitive transducer that adopts the semiconductor die chip technology to make; Said memory storage [7] is to adopt NAND type Flash storer; Said controller [6] is to adopt the microprocessor of 16 bit and built-in encryption logic, supports NAND flash and USB high-speed communication.Add in real time, decryption acts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100168934A CN101082884A (en) | 2006-05-31 | 2006-05-31 | Finger print safety storage U disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100168934A CN101082884A (en) | 2006-05-31 | 2006-05-31 | Finger print safety storage U disk |
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| Publication Number | Publication Date |
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| CN101082884A true CN101082884A (en) | 2007-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2006100168934A Pending CN101082884A (en) | 2006-05-31 | 2006-05-31 | Finger print safety storage U disk |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102004704A (en) * | 2010-11-01 | 2011-04-06 | 苏州亮智科技有限公司 | Data security protection method for solid-state memory device and solid-state memory device |
| CN102509035A (en) * | 2011-09-27 | 2012-06-20 | 广东新美锐科技有限公司 | Data protection method based on sliding type true skin living fingerprint identification technology |
| CN102799803A (en) * | 2011-05-25 | 2012-11-28 | 英属开曼群岛商康帝国际科技股份有限公司 | Secure removable media and method for managing the same |
| CN104318201A (en) * | 2014-09-05 | 2015-01-28 | 大唐微电子技术有限公司 | Fingerprint processing method, chip and terminal |
| CN105005451A (en) * | 2015-07-01 | 2015-10-28 | 山东超越数控电子有限公司 | Solid state hard disk based user information storage method |
| CN105354462A (en) * | 2015-09-30 | 2016-02-24 | 山东超越数控电子有限公司 | Protection method for mobile memory and mobile memory |
| WO2018188066A1 (en) * | 2017-04-14 | 2018-10-18 | 深圳泰思微科技有限公司 | Removable storage device with type-c interface with biometric fingerprint encryption |
| CN108734841A (en) * | 2018-08-13 | 2018-11-02 | 中控华运（厦门）集成电路有限公司 | Has the data storage device of fingerprint recognition and lock function |
| CN108830105A (en) * | 2018-06-15 | 2018-11-16 | 郑州信大壹密科技有限公司 | Support the safety encipherment U disk of three kinds of subregions |
| CN109409485A (en) * | 2018-10-25 | 2019-03-01 | 安徽省临泉县康悦电子科技有限公司 | A kind of waterproof Encrypted USB flash drive |
| CN110033072A (en) * | 2018-01-11 | 2019-07-19 | 苏州迈瑞微电子有限公司 | A kind of fingerprint U disk |
| CN110263554A (en) * | 2019-05-14 | 2019-09-20 | 深圳市亿联智能有限公司 | A kind of low computing capability equipment storage encryption method |
| CN110309681A (en) * | 2019-08-07 | 2019-10-08 | 广东电网有限责任公司 | A kind of metering automation terminal maintenance device and maintenance system |
-
2006
- 2006-05-31 CN CNA2006100168934A patent/CN101082884A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102004704A (en) * | 2010-11-01 | 2011-04-06 | 苏州亮智科技有限公司 | Data security protection method for solid-state memory device and solid-state memory device |
| CN102799803A (en) * | 2011-05-25 | 2012-11-28 | 英属开曼群岛商康帝国际科技股份有限公司 | Secure removable media and method for managing the same |
| CN102509035A (en) * | 2011-09-27 | 2012-06-20 | 广东新美锐科技有限公司 | Data protection method based on sliding type true skin living fingerprint identification technology |
| CN104318201A (en) * | 2014-09-05 | 2015-01-28 | 大唐微电子技术有限公司 | Fingerprint processing method, chip and terminal |
| CN105005451A (en) * | 2015-07-01 | 2015-10-28 | 山东超越数控电子有限公司 | Solid state hard disk based user information storage method |
| CN105354462B (en) * | 2015-09-30 | 2018-05-18 | 山东超越数控电子有限公司 | A kind of guard method of mobile memory and mobile memory |
| CN105354462A (en) * | 2015-09-30 | 2016-02-24 | 山东超越数控电子有限公司 | Protection method for mobile memory and mobile memory |
| WO2018188066A1 (en) * | 2017-04-14 | 2018-10-18 | 深圳泰思微科技有限公司 | Removable storage device with type-c interface with biometric fingerprint encryption |
| CN110033072A (en) * | 2018-01-11 | 2019-07-19 | 苏州迈瑞微电子有限公司 | A kind of fingerprint U disk |
| CN108830105A (en) * | 2018-06-15 | 2018-11-16 | 郑州信大壹密科技有限公司 | Support the safety encipherment U disk of three kinds of subregions |
| CN108734841A (en) * | 2018-08-13 | 2018-11-02 | 中控华运（厦门）集成电路有限公司 | Has the data storage device of fingerprint recognition and lock function |
| CN109409485A (en) * | 2018-10-25 | 2019-03-01 | 安徽省临泉县康悦电子科技有限公司 | A kind of waterproof Encrypted USB flash drive |
| CN110263554A (en) * | 2019-05-14 | 2019-09-20 | 深圳市亿联智能有限公司 | A kind of low computing capability equipment storage encryption method |
| CN110309681A (en) * | 2019-08-07 | 2019-10-08 | 广东电网有限责任公司 | A kind of metering automation terminal maintenance device and maintenance system |
| CN110309681B (en) * | 2019-08-07 | 2023-09-15 | 广东电网有限责任公司 | Metering automation terminal maintenance device and maintenance system |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20071109 Address after: No. 1469, Jilin Road, Changchun, Jilin Applicant after: Jilin Province Shenglun computer information security Ltd. Address before: No. 16, Jingxing North Street, Nanguan District, Jilin, Changchun Applicant before: Pu Xianze Co-applicant before: Cui Jun |
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Open date: 20071205 |