CN207924674U - A kind of safety chip encryption of living body finger print identification can manage USB flash drive - Google Patents
A kind of safety chip encryption of living body finger print identification can manage USB flash drive Download PDFInfo
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- CN207924674U CN207924674U CN201721891299.XU CN201721891299U CN207924674U CN 207924674 U CN207924674 U CN 207924674U CN 201721891299 U CN201721891299 U CN 201721891299U CN 207924674 U CN207924674 U CN 207924674U
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- China
- Prior art keywords
- safety chip
- living body
- finger print
- body finger
- usb
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Collating Specific Patterns (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The safety chip encryption that the utility model discloses a kind of identification of living body finger print can manage USB flash drive, which is characterized in that mainboard is equipped with living body finger print sensor, safety chip, NOR FLASH, memory module and USB plug；The living body finger print sensor, NOR FLASH, memory module, USB plug all connect the safety chip；The USB plug is also connected with power module, and the power supply for the USB HOST that the electric power source pair of module USB plug is connected is powered conversion, is the living body finger print sensor, safety chip, NOR FLASH, memory module power supply.The utility model does not need additional installation procedure, inline cryptographic administrative skill, it prevents from losing leaking data, and have partition management and encryption function, it is integrated and is managed in the use function of internal (fingerprint logs in hardware encryption and uses) and external (personal or public use) for USB flash disk.
Description
Technical field
The utility model belongs to information security field, especially relates to a kind of safety chip encryption of living body finger print identification
USB flash drive can be managed.
Background technology
USB flash disk appears on the market it may be said that helping people to solve the problems, such as electronic bits of data storage and carry well, with its corpusculum
Product large capacity, price are economical, support many merits such as hot plug and have been favored by people, and use scope has penetrated into society
All trades and professions.However USB flash disk also inevasible produces some hidden danger, such as its loss meeting while bringing people's facility
Lead to data leakage, get a short term loan the shortcomings of information loss, private can be caused company information to be caused transparent.The various data leakages of a state or party secret
Allow people to leave a question open the safety of USB flash disk, especially in the use in the concerning security matters such as military affairs, public security, business office field due to USB flash disk lose,
The leakage of a state or party secret for the reasons such as stealing also is reported in media repeatedly, causes serious loss, easily divulges a secret and easily infected virus etc. lacks
Point allows user very to have a headache.
With increasing for problems, some manufacturers, which have developed, is encrypted using software technology for USB flash disk, and what is had no need for reticence is
This method is being initially that people solve the problems, such as really.But the just so-called high ruler evil spirit in road is one zhang high, and software breaking techniques also exist
With the very fast promotion of software encryption technique in no way inferior, high speed development.Hereafter a succession of USB flash disk information leakage thing occurred
Part is even more directly to prove that USB flash disk may not prevent disclosure risk using software technology encryption, and so-called software cryptography is for stealing
It is only an ornaments to take for information personnel.USB flash disk uses hardware encryption side while abandoning software cryptography mode later
Formula so that USB flash disk has the functions such as whole district's hardware encryption to have the function that protection information is not leaked, but in current market master
The safety that the design of the hardware encrypted U disk of stream has ignored encryption hardware again and management program integrates, makes software fail and encrypt
Hardware really integrates binding, this security breaches causes quickly by the encrypted password of hack in putting into practice use, still without
Method really solves problem of divulging a secret.
Invention content
In view of this, the safety chip encryption the utility model proposes a kind of identification of living body finger print can manage USB flash drive,
Integrated management is carried out when internal (fingerprint logs in hardware encryption and uses) is with external (personal or public use) for USB flash disk, to
Prevent the generation that USB flash disk is divulged a secret.
In order to achieve the above objectives, the technical solution of the utility model is realized in：A kind of peace of living body finger print identification
Full chip encryption can manage USB flash drive, and mainboard is equipped with living body finger print sensor, safety chip, NOR FLASH, storage mould
Block and USB plug；
The living body finger print sensor, NOR FLASH, memory module, USB plug all connect the safety chip；It is described
USB plug is also connected with power module, and the power supply for the USB HOST that the electric power source pair of module USB plug is connected, which is powered, to be turned
It changes, is the living body finger print sensor, safety chip, NORFLASH, memory module power supply
Further, the power module is powered conversion using two-way AIC1952 chips, is passed all the way for living body finger print
Sensor, safety chip, NOR FLASH power supplies, another way are powered for memory module.
Further, LED light is additionally provided on mainboard, the LED light connects the safety chip.
Compared with the existing technology, a kind of safety chip encryption of living body finger print identification described in the utility model can manage
USB flash drive has the advantage that：
Have biological identification technology, realizes that living body finger print logs in by fingerprint sensor technology, and H/W has been used to encrypt skill
Art, the utility model do not need additional installation procedure, and inline cryptographic administrative skill prevents from losing leaking data, and has subregion
Management and encryption function, for USB flash disk making in internal (fingerprint logs in hardware encryption and uses) and external (individual or public use)
It is integrated and is managed with function.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the principle schematic of the utility model embodiment；
Fig. 3 is the power module structure schematic diagram of the utility model embodiment；
Fig. 4 is the NOR FLASH electrical block diagrams of the utility model embodiment；
Fig. 5 is the safety chip electrical block diagram of the utility model embodiment.
Wherein：1, safety chip；2, living body finger print sensor；
3, SD card；4、NOR FLASH；
5, USB plug；6, LED light；
7, power module.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
The utility model is equipped with the SD of living body finger print sensor 2, safety chip 1, NOR FLASH4, large capacity on mainboard
Card 3, USB plug 5 and LED light 6, power module 7；
As shown in Figure 1, safety chip P51BFN is connect with SD card 3, and living body finger print sensor is connected by UART interface
2, NOR FLASH4 are connected by SPI interface, USB jack 5 is connected by usb2.0 interfaces, connecting LED by GPIO interface refers to
Show lamp 6.
As shown in figure 3, power module 7 is powered conversion using two-way AIC1952 chips from the USB host of PC machine,
In all the way be living body finger print sensor 2 (the FP SENSOR in figure), safety chip 1 (P51BFN in figure), NOR FLASH4
(the Serial flash in figure), LED light 6 (LEDRGB in figure) are powered, and another way is powered for SD card 3.
It is the electrical block diagram of the NOR FLASH4 of embodiment as shown in Figure 4, using N25Q064A13EF640F cores
Piece accesses safety chip 1 by SPI interface.
It is the electrical block diagram of safety chip 1P51BFN in embodiment as shown in Figure 5.
As shown in Fig. 2, the operation principle of the utility model is：
The NOR FLASH4 are stored with account information, and carry out data encryption by safety chip, using SEED256 plus
Close algorithm.The management program that the NOR FLASH are used to dock the ends PC carries out account management；
The SD card is divided into conventional memory block and secure storage areas；Conventional memory block is used as common U disk；Safety is deposited
Storage area is encrypted by safety chip and is used, using ARIA256 Encryption Algorithm.Safety chip connects living body finger print sensor, with work
Body fingerprint is switched as control；The division of the routine memory block and secure storage areas carries out pipe by the management program at the ends PC
Reason.
Use is encrypted by safety chip in the management program at the ends PC, using AES256 Encryption Algorithm, and with work
The control switch that body fingerprint is used as encryption, while using living body finger print as account management programs and storage in the management program
The certification again of area's management program uses switch.
For the utility model usual in use, without fingerprint authentication, safety chip 1 coordinates the encryption account of NOR FLASH4
Information, control the utility model only can be used conventional memory block, used as common U disk, the encrypted protection in secure storage areas, no
Allow to access and use, the management program of the ends PC computer does not allow equally to use.
User's fingerprint, the encryption account of NORFLASH4 with safety chip 1 are acquired when passing through living body finger print sensor 2
Family validation of information user's permission can use encryption section, then secure storage areas can access, the management program of the ends PC computer
Can also use, and if it is intended to using account management and SD card management in management program relative program, then also need to make
User acquires the activation of user's finger print identifying again by living body finger print sensor 2；SD card management program is using shape after activation
State can divide conventional memory block and the size of secure storage areas of SD card；Account management programs can be arranged in use state
The account authority information of the utility model is simultaneously stored in NOR FLASH.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (3)
1. a kind of safety chip encryption of living body finger print identification can manage USB flash drive, which is characterized in that mainboard is equipped with live body
Fingerprint sensor, safety chip, NOR FLASH, memory module and USB plug；The living body finger print sensor, NOR
FLASH, memory module, USB plug all connect the safety chip；The USB plug is also connected with power module, the power supply mould
Block is powered conversion to the power supply for the USB HOST that USB plug is connected, be the living body finger print sensor, safety chip,
NOR FLASH, memory module power supply.
2. a kind of safety chip encryption of living body finger print identification according to claim 1 can manage USB flash drive, feature
It is, the power module is powered conversion using two-way AIC1952 chips, is all the way living body finger print sensor, safe core
Piece, NOR FLASH power supplies, another way are powered for memory module.
3. a kind of safety chip encryption of living body finger print identification according to claim 1 can manage USB flash drive, feature
It is, LED light is additionally provided on mainboard, and the LED light connects the safety chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721891299.XU CN207924674U (en) | 2017-12-29 | 2017-12-29 | A kind of safety chip encryption of living body finger print identification can manage USB flash drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721891299.XU CN207924674U (en) | 2017-12-29 | 2017-12-29 | A kind of safety chip encryption of living body finger print identification can manage USB flash drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207924674U true CN207924674U (en) | 2018-09-28 |
Family
ID=63616597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721891299.XU Expired - Fee Related CN207924674U (en) | 2017-12-29 | 2017-12-29 | A kind of safety chip encryption of living body finger print identification can manage USB flash drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207924674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-12-29 CN CN201721891299.XU patent/CN207924674U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20201229 |