CN203224876U

CN203224876U - Fingerprint password system

Info

Publication number: CN203224876U
Application number: CN 201320098480
Authority: CN
Inventors: 仇晓东; 张秀峰; 刘�东; 赵艳姣; 穆森
Original assignee: Dalian Nationalities University
Current assignee: Dalian Minzu University
Priority date: 2013-03-05
Filing date: 2013-03-05
Publication date: 2013-10-02
Anticipated expiration: 2023-03-05

Abstract

The utility model provides a fingerprint password system. The fingerprint password system comprises a fingerprint module, a central processor, a storage module and a wireless module, wherein the fingerprint module is formed by a fingerprint sensor FPC1011F and a peripheral circuit thereof, and can collect fingerprint data through the FPC1011F sensor; the central processor is formed by an S3C2410 core board; and the S3C2410 core board reads and processes fingerprint information. The fingerprint password system has the advantages that 1, identification of subscriber identity is completed by using the advantages of fingerprint identification to design a novel secret form of combination of fingerprint identification with passwords, and matching the passwords through the input sequences of fingerprint input and realizing double insurance through comparing the input fingerprints; and 2, the software development cost and the system hardware cost is kept low by taking a current popular embedding system platform as basis and abandoning the traditional DSP (digital signal processor).

Description

A kind of finger-print cipher system

Technical field the utility model relates to a kind of secrecy system, especially a kind of a kind of fingerprint recognition of S3C2410 core board and the chip design of FPC1011F fingerprint and dual fail-safe finger-print cipher system of password coupling of mainly utilizing.

Background technology is society now; development along with electronic industry; electronic equipment and privacy mechanism are more and more urgent to the demand of safer, authentication more easily and access control; the key form of traditional " password+smart card " exists easily loses, easily demagnetization, carries shortcoming such as inconvenience, can not satisfy the demand of current social protection user information safety.And along with the application technology of fingerprint recognition improves constantly; the uniqueness that itself has; security; characteristics such as reliability; effect to the protection user information safety can not be ignored; therefore fingerprint recognition application technology and intelligent cipher card being combined, is one of requisite measure that improves user information safety.

Summary of the invention the utility model is at the deficiency that prior art has, and a kind of finger-print cipher system is provided, and strengthened the protection of user profile.

The utility model is made up of fingerprint module, central processing unit, memory module and wireless module, and fingerprint module is made of fingerprint sensor FPC1011F and its peripheral circuit, and gathers finger print data by the FPC1011F sensor; Central processing unit is made of the S3C2410 core board, and the S3C2410 core board is realized reading and handling finger print information; Memory module is divided into two, be respectively FLASH memory module and SDRAM memory module, Flash memory module storage system start-up code, kernel code and application program, the storage of routine data when the SDRAM memory module is used for system's operation, and the reception of finger print data and processing; Wireless module is according to regional different choice, and the preferential GSM mobile communications network of selecting based on the whole world, is made up of gsm module; S3C2410 core board processing platform carries out the processing with data of reading of finger print data with the ARM framework, by with carry out pattern match with the fingerprint characteristic data of depositing, judge whether identically, unison counter begins counting and judges fingerprint input number; The data that fingerprint module collects can be selected WIFI or GSM network based on different condition by wireless transport module, pass to PC by router or gsm module.

Fingerprint recognition need correctly just be considered as effective input by my fingerprint input number and whole couplings of input sequence with authentication, provide go out to need not to be with card in, also increased the security of personal information, adopted the ARM framework to be incorporated into the fingerprint collecting field in the design, replaced traditional PC, make system bulk become very little, and processing speed has reached the requirement of using, utilized wireless WIFI technology simultaneously, the finger print data that collects is transferred to PC or workstation through handling, thereby more wide application prospect is provided.

The utility model has the advantages that:

1, utilizes the new type key form of the advantage design " fingerprint recognition+password " of fingerprint recognition; contrast by the input fingerprint; finish the checking of user identity; and finish the coupling of password by the order of fingerprint input; realize dual fail-safe; remedy the deficiency of traditional approach, can protect user information safety better, had good market outlook.

2, the utility model is cast aside traditional dsp processor based on the embedded system platform of current popular, makes software development cost, and the system hardware cost keeps lower standard, and simultaneously, the reasonable combination of equipment has guaranteed accuracy and the stability of system's operation.

3, the utlity model has low-power consumption, the discrimination height, advantage such as accuracy is good is stronger based on the extensibility of the recognition system function of ARM.

Whether 4, not only identify fingerprint in the process of the utility model collection fingerprint mates, also can judge the coupling of the input sequence of fingerprint simultaneously, the counter accumulated counts is determined input fingerprint number coupling, and multiple factor limits simultaneously, realize security insurance, reach conveniently purpose.

5, the utility model has dirigibility by low side devices acquisition process data, can communicate by letter with high terminal simultaneously, has real-time.

Description of drawings Fig. 1 is the principle of work block diagram of utility model.

Fig. 2 is workflow diagram of the present utility model.

Embodiment is made up of fingerprint module 1, central processing unit 2, memory module and wireless module 4 as shown in Figure 1 and Figure 2, and fingerprint module is made of fingerprint sensor FPC1011F and its peripheral circuit, and gathers finger print data by the FPC1011F sensor; Central processing unit is made of the S3C2410 core board, and the S3C2410 core board is realized reading and handling finger print information; Memory module is divided into two, be respectively FLASH memory module 3-1 and SDRAM memory module 3-2, Flash memory module storage system start-up code, kernel code and application program, the storage of routine data when the SDRAM memory module is used for system's operation, and the reception of finger print data and processing; Wireless module is according to regional different choice, and the preferential GSM mobile communications network of selecting based on the whole world, is made up of gsm module; S3C2410 core board processing platform carries out the processing with data of reading of finger print data with the ARM framework, by with carry out pattern match with the fingerprint characteristic data of depositing, judge whether identically, unison counter begins counting and judges fingerprint input number; The data that fingerprint module collects can be selected WIFI or GSM network based on different condition by wireless transport module, pass to PC by router or gsm module.

Embodiment: the user needs at first will gather finger print data by fingerprint sensor FPC1011F sensor, finger print information is carried out the typing storage, the user can oneself select the number of sequencing and the input finger of input fingerprint in fingerprint collecting, but can only import the fingerprint of a finger at every turn, suggestion input six times or more than, by acknowledgement key, be formed into virtual smart card after input is finished, and difference is pointed the finger print data that different order collects be kept among the SDRAM.

When the user needs authentication or access control, the finger print information that success is preserved need be re-entered, fingerprint input number and input sequence must and authenticate the information strict conformance of preserving, system is identification inquiry input information automatically, whether processor is opened counter simultaneously, record the input number of fingerprint and differentiate fingerprint to be complementary with the preservation finger print data.

Fingerprint comprises the filtering of fingerprint image, extraction, eigenwert extraction and the template data coupling of unique point in processor entire process process, this part realizes with software.

If system thinks that the password mistake can refusing user's carry out subsequent operation, continuous three input errors, system can terminating operation 24 hours, if system identification is correct, the user becomes the content of can the free access control system protecting, and reaches the function of key.After the Data Matching authentication was passed through, system can link to each other with the internet by WIFI wireless mode or gsm communication, and data are passed to PC by router, realized that low side data acquisition authentication and high-end devices networking is general.This pattern is that the collection of fingerprint is integrated among the small-sized embedded system with handling, and it is an independently system, does not need peripherals to link to each other with computing machine and just can finish the collection of fingerprint, the contrast of pre-service and feature, system low-power consumption, dirigibility is strong, and is simple in structure.The formation that refers to the system finger-print cipher is not only separately by the coupling of fingerprint, and needs total fingerprint number of the input sequence of different finger prints and input to satisfy simultaneously to realize that just password is exact.

Claims

1. finger-print cipher system, formed by fingerprint module, central processing unit, memory module and wireless module, it is characterized in that: described fingerprint module is made of fingerprint sensor FPC1011F and its peripheral circuit, and gathers finger print data by the FPC1011F sensor; Central processing unit is made of the S3C2410 core board, and the S3C2410 core board is realized reading and handling finger print information; Memory module is divided into two, be respectively FLASH memory module and SDRAM memory module, Flash memory module storage system start-up code, kernel code and application program, the storage of routine data when the SDRAM memory module is used for system's operation, and the reception of finger print data and processing; Wireless module is according to regional different choice, and the preferential GSM mobile communications network of selecting based on the whole world, is made up of gsm module.

2. a kind of finger-print cipher according to claim 1 system, it is characterized in that: described S3C2410 core board processing platform carries out the processing with data of reading of finger print data with the ARM framework, by with carry out pattern match with the fingerprint characteristic data of depositing, judge whether identically, unison counter begins counting and judges fingerprint input number.

3. a kind of finger-print cipher according to claim 1 system, it is characterized in that: the data that fingerprint module collects can be selected WIFI or GSM network based on different condition by wireless transport module, pass to PC by router or gsm module.