CN201498000U - Chip based fingerprint Key board - Google Patents
Chip based fingerprint Key board Download PDFInfo
- Publication number
- CN201498000U CN201498000U CN2009202227743U CN200920222774U CN201498000U CN 201498000 U CN201498000 U CN 201498000U CN 2009202227743 U CN2009202227743 U CN 2009202227743U CN 200920222774 U CN200920222774 U CN 200920222774U CN 201498000 U CN201498000 U CN 201498000U
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- fingerprint
- controller
- chip
- memory block
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- Expired - Lifetime
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- 238000000034 method Methods 0.000 claims abstract description 14
- 238000013523 data management Methods 0.000 claims abstract description 4
- 230000003993 interaction Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- Collating Specific Patterns (AREA)
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Abstract
The utility model provides a chip based fingerprint Key board, comprising a controller, a storage area and a fingerprint sensor. The controller is respectively connected with the storage area and the fingerprint sensor in order to realize control, fingerprint information comparison and data management in the storage area for the fingerprint identity authentication process. The controller is connected with a data interface in order to realize the data communication with an external terminal via the data interface. The controller uses a single chip structure. The storage area comprises an information identifying area and an identifying procedure area. By using single chip structure on controller, the fingerprint Key board eliminates the potential safety hazard in current Key baord double-chip structure and promotes the safety property of the control chip.
Description
Technical field
The utility model relates to a kind of safe mobile memory apparatus, particularly a kind of employing single chip architecture design, and the fingerprint Key that combines USBKey technology, USB flash disk technology and fingerprint identification technology coils, and belongs to field of information security technology.
Background technology
USBKey is a kind of private key and digital certificate by storage space storage user, utilizes the hardware device of the built-in public key algorithm realization of USBKey to authenticating user identification.It has been safe and reliable, be easy to carry, advantage such as easy to use, with low cost, has become the high security main flow authentication mode that grows up recent years.And with the fingerprint Key dish that fingerprint identification technology combines with the USBKey technology, solved common USBKey especially and used PIN code that the user is carried out the potential threat that the authentication existence is falsely used.
Fig. 2 is the structural drawing of existing fingerprint Key dish.As shown in the figure, adopt two chip blocks in the existing fingerprint Key dish usually, a control chip is checked and regulated a finger print identifying program in order to control Key, and fingerprint process chip is in order to the sampling of carrying out fingerprint and the comparison of finger print data.And the memory block of this fingerprint Key dish mainly is divided into authentication information district and authentication procedure district.This authentication information district is used to store capsule information such as finger print information, digital certificate.This authentication procedure district is used to store the identification of fingerprint program.
But, still exist many shortcomings in the fingerprint Key dish of said structure.At first, therefore above-mentioned fingerprint process chip tends to adopt the dsp chip design owing to relate to the lot of data processing.Yet dsp chip itself does not have module or function supports such as effective safeguard protection, encryption, therefore takes inventory in potential safety hazard for fingerprint Key.Secondly, for the fingerprint Key dish of the structural design of this employing twin-core sheet, the communication between its chip also exists unsafe factor with transmission.Have again, in the memory block of this fingerprint Key dish, only be provided with two memory blocks in authentication information district and authentication procedure district.The user can't realize the large-scale data access based on this fingerprint Key dish.If can on the architecture basics of existing fingerprint Key dish, enlarge the capacity of memory block,, then can be the user data access function with encrypting fingerprint is provided in conjunction with the USB flash disk technology, convenient for users to use.
Summary of the invention
The purpose of this utility model is to solve deficiency of the prior art, a kind of employing single chip architecture design is provided, combine the fingerprint Key dish of USBKey technology, USB flash disk technology and fingerprint identification technology, thereby improve the security performance of fingerprint Key dish and enlarge memory capacity.
The purpose of this utility model is achieved by following technical proposals:
Fingerprint Key dish based on single-chip is characterized in that: comprise controller, memory block and fingerprint sensor; Described controller links to each other respectively with memory block, fingerprint sensor, in order to realize control, the comparison of finger print information and the data management of memory block of fingerprint identity validation program; Described controller also links to each other with data-interface, realizes data interaction by this data-interface and exterior terminal system; This controller adopts single chip architecture; Described memory block comprises authentication information district and authentication procedure district.
Described memory block also is provided with user data area.
Described fingerprint sensor can be slip heat-sensitive type, slip condenser type or pressure sensitivity area formula fingerprint sensor.
The beneficial effects of the utility model are:
1, this fingerprint Key dish has been stopped the existing potential safety hazard of existing fingerprint Key dish double-chip structure owing to adopt the single chip architecture design on controller, has improved the security performance of control chip itself.
2, this fingerprint Key dish provides the data access function with safeguard protection owing to set up user data area in the memory block for the user.
Description of drawings
Fig. 1 is the structural representation based on the fingerprint Key dish of single-chip;
Fig. 2 is the structural representation of existing fingerprint Key dish.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the structural representation of the utility model based on the fingerprint Key dish of single-chip.As shown in the figure, this fingerprint Key dish comprises controller, memory block, fingerprint sensor.This controller this memory block respectively links to each other with fingerprint sensor, controls whole fingerprint Key dish operate as normal.This controller links to each other with the exterior terminal system by data-interface, the data interaction of being correlated with.Here, so-called data-interface USB interface normally.
This controller adopts the single chip architecture design, and the function of control chip and fingerprint process chip is concentrated on the process chip in the existing fingerprint Key dish.This controller is mainly used in the control of fingerprint identity validation program, the comparison of finger print information and the data management of memory block.Because this fingerprint Key dish has adopted single-chip to finish the function of original two chip blocks on controller, therefore the data-handling capacity of this controller is had relatively high expectations.
By such single chip architecture design, two chip chambers that can stop to exist in the existing fingerprint Key dish carry out communication and safety of transmission problem.In addition, because the function of original fingerprint process chip is integrated in the controller, also avoided dsp chip itself not have the problem of safety protection function.
This memory block has further enlarged the capacity of memory block on the basis of existing fingerprint Key dish, remove aforesaid authentication information district and authentication procedure district, also is provided with user data area.This user data area is after the user is by authentication, can be for the storage space of user access data.By such user data area is set, this fingerprint Key dish not only can be finished single identity authentication function, and the access data function of USB flash disk formula can also be provided for the user.And this data access function with the safety certification protection of fingerprint Key dish, is the data access function with safeguard protection also.
This fingerprint sensor is a finger print data collecting device comparatively commonly used at present.Because fingerprint sensor is a prior art, just no longer its structure is done specific descriptions at this.But should be noted that the kind of existing fingerprint sensor is a lot, as various ways such as slip heat-sensitive type, slip condenser type, pressure sensitivity area formulas.Protection domain of the present utility model should be not limited only to wherein a certain concrete form.
When above-mentioned fingerprint Key dish inserts terminal system, at first from the authentication procedure district, call and start the finger print identifying program by controller.Controller is opened fingerprint sensor by carrying out the finger print identifying program, and the information that takes the fingerprint is sent the information of taking the fingerprint into controller then.If login for the first time fingerprint Key dish, controller is deposited into the authentication information district with this finger print information in the mode of unique point so.When carrying out fingerprint authentication, controller will call the finger print information of being gathered in the finger print information stored in the finger print information district and the fingerprint sensor and compare.If compare successfully, then the digital certificate by storing in the controller invokes authentication block of information is opened user data area simultaneously and is used for the user.
Claims (3)
1. based on the fingerprint Key dish of single-chip, it is characterized in that: comprise controller, memory block and fingerprint sensor; Described controller links to each other respectively with memory block, fingerprint sensor, in order to realize control, the comparison of finger print information and the data management of memory block of fingerprint identity validation program; Described controller also links to each other with data-interface, realizes data interaction by this data-interface and exterior terminal system; This controller adopts single chip architecture; Described memory block comprises authentication information district and authentication procedure district.
2. the fingerprint Key dish based on single-chip as claimed in claim 1, it is characterized in that: described memory block also is provided with user data area.
3. the fingerprint Key dish based on single-chip as claimed in claim 1, it is characterized in that: described fingerprint sensor can be slip heat-sensitive type, slip condenser type or pressure sensitivity area formula fingerprint sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202227743U CN201498000U (en) | 2009-09-16 | 2009-09-16 | Chip based fingerprint Key board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202227743U CN201498000U (en) | 2009-09-16 | 2009-09-16 | Chip based fingerprint Key board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201498000U true CN201498000U (en) | 2010-06-02 |
Family
ID=42441202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202227743U Expired - Lifetime CN201498000U (en) | 2009-09-16 | 2009-09-16 | Chip based fingerprint Key board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201498000U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289613A (en) * | 2011-06-22 | 2011-12-21 | 北京天诚盛业科技有限公司 | Liquid crystal universal serial bus (USB) Key equipment capable of identifying fingerprint |
| CN103595533A (en) * | 2013-10-23 | 2014-02-19 | 港蓉国信科技（北京）有限责任公司 | Fingerprint signature device, manufacturing method of fingerprint signature device and fingerprint signature processing method |
-
2009
- 2009-09-16 CN CN2009202227743U patent/CN201498000U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289613A (en) * | 2011-06-22 | 2011-12-21 | 北京天诚盛业科技有限公司 | Liquid crystal universal serial bus (USB) Key equipment capable of identifying fingerprint |
| CN103595533A (en) * | 2013-10-23 | 2014-02-19 | 港蓉国信科技（北京）有限责任公司 | Fingerprint signature device, manufacturing method of fingerprint signature device and fingerprint signature processing method |
| CN103595533B (en) * | 2013-10-23 | 2017-04-05 | 港蓉国信科技（北京）有限责任公司 | Fingerprint signature equipment and its manufacture method and fingerprint signature processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100602 |
|
| CX01 | Expiry of patent term |