CN103631977A - Multi-control channel fingerprint identification module with separable collector and encryption communication mechanism - Google Patents

Multi-control channel fingerprint identification module with separable collector and encryption communication mechanism Download PDF

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Publication number
CN103631977A
CN103631977A CN201310611302.8A CN201310611302A CN103631977A CN 103631977 A CN103631977 A CN 103631977A CN 201310611302 A CN201310611302 A CN 201310611302A CN 103631977 A CN103631977 A CN 103631977A
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CN
China
Prior art keywords
fingerprint
identification
effect
data
module
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CN201310611302.8A
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Chinese (zh)
Inventor
裴育
杨金慧
田新广
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杭州指安科技有限公司
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Priority to CN201310611302.8A priority Critical patent/CN103631977A/en
Publication of CN103631977A publication Critical patent/CN103631977A/en

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Abstract

The invention discloses a multi-control channel fingerprint identification module with a separable collector and an encryption communication mechanism. The multi-control channel fingerprint identification module with the separable collector and the encryption communication mechanism comprises a fingerprint collecting and controlling unit and an identification and comparison unit. The fingerprint collecting and controlling unit is composed of a fingerprint collector, image processing, feature extraction, data encryption and order controlling. The identification and comparison unit is composed of data decryption, comparison and identification, protocol interfaces, a database and order controlling. According to the multi-control channel fingerprint identification module with the separable collector and the encryption communication module, the separating design of the collector is achieved, and fingerprint data can be remotely collected, a controller is introduced in so that the module can be conveniently connected with various communication interfaces in a hanging mode, and the application manner can be more flexible; the encryption design is adopted in transmission of the fingerprint data, and therefore safety of privacy data of a user is ensured; synchronous inquiry and response of a low power consumption mode ensure low power consumption of a system.

Description

A kind of collector is separable and with the multi-control passage fingerprint identification module of encryption communication mechanism

Technical field

The present invention relates to fingerprint recognition field, specifically a kind of collector is separable and with the multi-control passage fingerprint identification module of encryption communication mechanism.

Background technology

Along with the raising of privacy idea and awareness of safety, the fingerprint security products such as fingerprint gate lock, fingerprint access control have obtained increasing application.Along with the expansion of application and the lifting of demand, traditional fingerprint identification module more and more can not extensively meet the demand of types of applications, is mainly reflected in the following aspects:

A) traditional fingerprint identification module generally all adopts unique wired parallel or serial port mode to connect fingerprint capturer, but the development along with Internet of Things and Smart Home market, the mode of this single face cannot meet the demand of remote collection fingerprint or wireless collection fingerprint, and therefore traditional fingerprint module cannot directly apply to Internet of Things or Smart Home market segment.

B) communication data that traditional fingerprint identification module obtains fingerprint image by parallel or serial port from fingerprint capturer adopts the expressly mode of communication, and the communication leak of this not encrypted measure is easily cracked and attacks, and brings potential safety hazard to the application of system.

Referring to Fig. 1, is the theory diagram of conventional fingerprint identification module, in figure:

The effect of " fingerprint capturer " unit is the fingerprint image that gathers user, for the identification of comparing of subsequent treatment unit.The fingerprint capturer that fingerprint recognition system adopts at present generally adopts the mode of parallel port or serial ports, and communication line does not adopt any encryption measures.

The effect of " image processing " unit is that the fingerprint image that fingerprint capturer is collected carries out pre-service, makes the uneven all kinds of fingerprint images of quality all can meet the requirement of subsequent treatment.

The effect of " feature extraction " unit is to the further Treatment Analysis of fingerprint image after image is processed, and neglects most of useless redundant information, only retains the useful relevant information of follow-up matching identification.

The effect of " matching identification " unit is feature that feature extraction unit is obtained with the pre-stored feature of database matching identification in addition, to judge user's legal identity.

The effect of " protocol interface " unit is that the information that matching identification unit is provided is encapsulated and be transferred to main control unit, is convenient to main control computer operable lock control mechanism and takes corresponding unlocking action, or provide warning prompt.

The effect of " database " unit is the characteristic information that the legal user of storage registers in advance.

The shortcoming of conventional fingerprint identification module is:

1) current, the fingerprint capturer of nearly all main flow all only provides the communication interface of wired parallel port or serial ports.Due to the requirement of sequential, wired parallel port and serial ports can not adopt long connecting line, more cannot adopt wireless mode to carry out communication, to such an extent as to fingerprint capturer cannot be separated with module main part.In fact, traditional fingerprint identification module all says that fingerprint capturer is circuit integrated as a whole with other main bodys, cannot be separated.Yet Internet of Things application requirements user can use fingerprint collecting equipment Anywhere what have a network.That is to say, in order to meet Internet of Things application, fingerprint identification module must can be realized long-range fingerprint collecting.Obviously, traditional fingerprint identification module is not suitable with the demand of the emerging application such as Internet of Things.

2) finger print data of fingerprint capturer collection sends to module bodies part in mode expressly, is easily copied, distorts utilization, does not meet safe and secret demand.

Summary of the invention

The object of the present invention is to provide a kind of collector separable and with the multi-control passage fingerprint identification module of encryption communication mechanism, to solve the problem proposing in above-mentioned background technology.

For achieving the above object, the invention provides following technical scheme:

Collector is separable and with the multi-control passage fingerprint identification module of encryption communication mechanism, comprises fingerprint collecting control module and identification comparing unit;

Described fingerprint collecting control module is controlled and is formed by fingerprint capturer, image processing, feature extraction, data encryption and order;

The effect of described fingerprint capturer is the original fingerprint image that gathers user;

The effect that described image is processed is that the original fingerprint image to collecting carries out pre-service, the demand of extracting to meet subsequent characteristics;

The effect of described feature extraction is to extract the needed useful information of follow-up matching identification, removes redundant information;

The effect of described data encryption is that the feature to extracting is encrypted, and guarantees the security of transmitting procedure, guarantees user's secret;

The effect that described order is controlled is to carry out communication with identification comparing unit, guarantees correct transmission and the execution of order;

Described identification comparing unit is controlled and is formed by data deciphering, matching identification, protocol interface, database and order;

The effect of described data deciphering is that enciphered data is decrypted, and is reduced to initial characteristic data, to carry out follow-up matching identification;

The effect of described matching identification is that characteristic is analyzed, and take whether differentiate characteristic be legal registered user;

The effect of described protocol interface is to receive main control computer instruction or return to the operating result that main control computer needs;

The effect of described database is the characteristic information of preserving registered user;

The effect that described order is controlled is that same fingerprint collecting control module carries out communication, guarantees correct transmission and the execution of order.

Compared with prior art, the invention has the beneficial effects as follows:

1. realized collector separation design, finger print data can remote collection; The introducing of the present invention by instruction control unit makes to identify comparing unit and fingerprint image acquisition control module becomes independently functional unit separately.Realization by relevant control order makes to identify comparing unit and fingerprint image acquisition control module carries out communication by several data communication modes.This design has realized the separation of collector with comparison recognition unit, and then has realized the remote collection of finger print data.

2. by the introducing of controller, make module can articulate easily various communication interfaces, make application mode more flexible; The present invention makes module can articulate easily various communication modules to the design of instruction control unit inside structure, and for example the bluetooth module of wireless mode, WIFI module, expanded application, makes application more flexible.

3. the transmission of finger print data has adopted Encryption Design, guarantees user's private data safety; The present invention, by the introducing of encryption/decryption element, has guaranteed the security of data transmission, has guaranteed user's important private data.

4. the synchronous inquiry of low-power consumption mode and reply the low-power consumption of the system that guaranteed; The present invention designs synchronous inquiry and the acknowledgement mechanism of having used low-power consumption mode, when there is no finger print identifying task, the inquiry sending by interval and acknowledgement command have guaranteed that the information of identification comparing unit and fingerprint image acquisition control module is synchronous, have saved power consumption simultaneously.

Accompanying drawing explanation

Fig. 1 is the theory diagram of conventional fingerprint identification module.

Fig. 2 is technical schematic diagram of the present invention.

Fig. 3 is the theory diagram of instruction control unit in the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.

Refer to Fig. 2, in the embodiment of the present invention, a kind of collector is separable and with the multi-control passage fingerprint identification module of encryption communication mechanism, comprises fingerprint collecting control module and identification comparing unit;

Described fingerprint collecting control module is controlled and is formed by fingerprint capturer, image processing, feature extraction, data encryption and order;

The effect of described fingerprint capturer is the original fingerprint image that gathers user;

The effect that described image is processed is that the original fingerprint image to collecting carries out pre-service, the demand of extracting to meet subsequent characteristics;

The effect of described feature extraction is to extract the needed useful information of follow-up matching identification, removes redundant information;

The effect of described data encryption is that the feature to extracting is encrypted, and guarantees the security of transmitting procedure, guarantees user's secret;

The effect that described order is controlled is to carry out communication with identification comparing unit, guarantees correct transmission and the execution of order;

Described identification comparing unit is controlled and is formed by data deciphering, matching identification, protocol interface, database and order;

The effect of described data deciphering is that enciphered data is decrypted, and is reduced to initial characteristic data, to carry out follow-up matching identification;

The effect of described matching identification is that characteristic is analyzed, and take whether differentiate characteristic be legal registered user;

The effect of described protocol interface is to receive main control computer instruction or return to the operating result that main control computer needs;

The effect of described database is the characteristic information of preserving registered user;

The effect that described order is controlled is that same fingerprint collecting control module carries out communication, guarantees correct transmission and the execution of order.

Application Example of the present invention is as follows:

The present embodiment be take mobile phone opening door lock as example, introduces working mechanism and flow process that module of the present invention is unblanked in process at registered user's fingerprint process and fingerprint.Embedded fingerprint collecting control module of the present invention on the present embodiment hypothesis mobile phone, and on door lock, used identification comparing unit of the present invention.

User's registered fingerprint process steps is as follows:

1, user operates the register button on Door lock, by main control computer control module, enters fingerprint register flow process;

2, the instruction control unit of identification comparing unit sends and obtains data command to fingerprint collecting control module;

3, the instruction control unit of fingerprint collecting control module receives and controls fingerprint capturer after the collection fingerprint instruction of self-identifying comparing unit and detect and gather fingerprint;

4, the instruction control unit of fingerprint collecting control module starts graphics processing unit processing fingerprint image;

5, the instruction control unit of fingerprint collecting control module starts feature extraction unit generation fingerprint characteristic data;

6, the instruction control unit log-on data ciphering unit of fingerprint collecting control module is encrypted fingerprint characteristic;

7, the instruction control unit of fingerprint collecting control module sends data sending request to identification comparing unit;

8, the instruction control unit of identification comparing unit receives the data sending request from fingerprint collecting control module, receives the characteristic after encrypting;

9, the instruction control unit log-on data decryption unit of identification comparing unit, is decrypted the data that receive, and enciphered data is reduced to initial characteristic data;

10, identify the instruction control unit log-on data storehouse of comparing unit and deposit the initial characteristic data of just having received in database;

11, the instruction control unit notice main control computer of identification comparing unit succeeds in registration;

The fingerprint process steps of unblanking is as follows:

1, the fingerprint capturer of user on mobile phone pressed fingerprint;

2, the instruction control unit of fingerprint collecting control module detects fingerprint, and gathers fingerprint image;

3, the instruction control unit of fingerprint collecting control module starts graphics processing unit processing fingerprint image;

4, the instruction control unit of fingerprint collecting control module starts feature extraction unit generation fingerprint characteristic data;

5, the instruction control unit log-on data ciphering unit of fingerprint collecting control module is encrypted fingerprint characteristic;

6, the instruction control unit of fingerprint collecting control module sends data sending request to identification comparing unit;

7, the instruction control unit of identification comparing unit receives the data sending request from fingerprint collecting control module, receives the characteristic after encrypting;

8, the instruction control unit log-on data decryption unit of comparing unit, is decrypted the data that receive, and enciphered data is reduced to initial characteristic data;

9, the instruction control unit of identification comparing unit is opened matching identification unit, and the fingerprint characteristic just having received is analyzed and searching database, with verification msg, whether belongs to registered user;

10, the instruction control unit of other comparing unit sends to main control computer by the result for retrieval of matching identification, and main control computer will determine whether unblank according to result.

Key point innovative point of the present invention is as follows:

Innovative point 1: split type module architectures

The present invention has changed the integrated structure of conventional fingerprint identification module, and module is divided into matching identification unit and gathers control module.And the instruction control unit by each several part makes each part allomeric function that can complete independently task separately can mutually interact again.

Innovative point 2: the multi-control channel interface of instruction control unit

Because kind and the model of communication module varies.Therefore, the instruction control unit indoor design of the present invention design ,Gai region, the programmable multi-channel interface driver store district model that can articulate communication module according to user work out voluntarily driver, provide maximum interface to articulate dirigibility.In addition consider that most of communication module is all to adopt basic serial ports, parallel port and IO control port to carry out communication control, instruction control unit specialized designs of the present invention multi-control channel interface, this interface easily wireless communication module such as same bluetooth module, WIFI module connects, and realizes the object of multiple channel communication.Signal definition and the function of multi-control channel interface are as follows:

Innovative point 3: instruction control unit and relevant control order

Instruction control unit and relevant control order can work alone the fingerprint collecting control module of this module and identification comparing unit separately, and communication forms an integral body mutually.The functional block diagram of instruction control unit as shown in Figure 3.

Command resolution unit is responsible for command analysis and according to command context, is controlled miscellaneous part and realize appointed function.Data buffer is used for depositing the fingerprint characteristic data of encrypting or deciphering temporarily.The negative reception control signal that sends of control interface, so that each functional unit co-ordination of module.Multi-control channel interface is responsible for adaptive various communication module (such as WIFI module, bluetooth module etc.), guarantees that the fingerprint collecting unit of fingerprint identification module and identification comparing unit can utilize various wired or wireless communication modes to carry out communication.

According to the demand of application, it is as follows that relevant control order is controlled in order of the present invention:

Innovative point 4: the introducing of ciphering unit and decryption unit guarantees data transmission security

Matching identification unit and fingerprint image acquisition control module have been introduced an encryption/decryption element separately, for finger print data is encrypted and is deciphered, have guaranteed the secure user data in data transmission procedure.

To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, is therefore intended to include in the present invention dropping on the implication that is equal to important document of claim and all changes in scope.Any Reference numeral in claim should be considered as limiting related claim.

In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should make instructions as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.

Claims (1)

1. collector is separable and with the multi-control passage fingerprint identification module of encryption communication mechanism, it is characterized in that, comprises fingerprint collecting control module and identification comparing unit;
Described fingerprint collecting control module is controlled and is formed by fingerprint capturer, image processing, feature extraction, data encryption and order;
The effect of described fingerprint capturer is the original fingerprint image that gathers user;
The effect that described image is processed is that the original fingerprint image to collecting carries out pre-service, the demand of extracting to meet subsequent characteristics;
The effect of described feature extraction is to extract the needed useful information of follow-up matching identification, removes redundant information;
The effect of described data encryption is that the feature to extracting is encrypted, and guarantees the security of transmitting procedure, guarantees user's secret;
The effect that described order is controlled is to carry out communication with identification comparing unit, guarantees correct transmission and the execution of order;
Described identification comparing unit is controlled and is formed by data deciphering, matching identification, protocol interface, database and order;
The effect of described data deciphering is that enciphered data is decrypted, and is reduced to initial characteristic data, to carry out follow-up matching identification;
The effect of described matching identification is that characteristic is analyzed, and take whether differentiate characteristic be legal registered user;
The effect of described protocol interface is to receive main control computer instruction or return to the operating result that main control computer needs;
The effect of described database is the characteristic information of preserving registered user;
The effect that described order is controlled is that same fingerprint collecting control module carries out communication, guarantees correct transmission and the execution of order.
CN201310611302.8A 2013-11-22 2013-11-22 Multi-control channel fingerprint identification module with separable collector and encryption communication mechanism CN103631977A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109309568A (en) * 2018-09-07 2019-02-05 江苏恒宝智能系统技术有限公司 A kind of fingerprint authorization method and system
CN109740456A (en) * 2018-12-20 2019-05-10 杭州方升科技有限公司 The criminal investigation secondary treatment system and method realized using telecommunication connection

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103021045A (en) * 2011-09-25 2013-04-03 边高伟 Intelligent entrance guard system for mobile terminal user verification
US20130129163A1 (en) * 2011-11-21 2013-05-23 Samsung Electro-Mechanics Co., Ltd. Fingerprint sensor and method of operating the same
CN103366423A (en) * 2012-03-31 2013-10-23 深圳光启创新技术有限公司 Light-operated access control system based on cellphone fingerprint identification

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103021045A (en) * 2011-09-25 2013-04-03 边高伟 Intelligent entrance guard system for mobile terminal user verification
US20130129163A1 (en) * 2011-11-21 2013-05-23 Samsung Electro-Mechanics Co., Ltd. Fingerprint sensor and method of operating the same
CN103366423A (en) * 2012-03-31 2013-10-23 深圳光启创新技术有限公司 Light-operated access control system based on cellphone fingerprint identification

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109309568A (en) * 2018-09-07 2019-02-05 江苏恒宝智能系统技术有限公司 A kind of fingerprint authorization method and system
CN109740456A (en) * 2018-12-20 2019-05-10 杭州方升科技有限公司 The criminal investigation secondary treatment system and method realized using telecommunication connection

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Application publication date: 20140312