CN105913111A - Fingerprint encryption intelligent card - Google Patents
Fingerprint encryption intelligent card Download PDFInfo
- Publication number
- CN105913111A CN105913111A CN201610024348.3A CN201610024348A CN105913111A CN 105913111 A CN105913111 A CN 105913111A CN 201610024348 A CN201610024348 A CN 201610024348A CN 105913111 A CN105913111 A CN 105913111A
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- CN
- China
- Prior art keywords
- chip
- fingerprint
- smart card
- card
- intelligent card
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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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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07701—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07758—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Collating Specific Patterns (AREA)
Abstract
The invention provides a fingerprint encryption intelligent card. Fingerprint authentication of a user can be finished in an encryption chip inside the intelligent card, authentication information is transmitted to the intelligent card through encryption via an ISO7816 standard interface, an intelligent card chip controls activation of an intelligent card chip application according to encryption information, and a user cannot normally use an application function of the intelligent card unless he succeeds in fingerprint verification, such that the security of the card is ensured, and the security of fingerprint information of the user is also guaranteed.
Description
Technical field
The present invention relates to technical field of intelligent card, it particularly relates to a kind of encrypting fingerprint smart card and its implementation.
Background technology
Smart card can also be referred to as " integrated circuit card " or " IC card ", owing to have employed current state-of-the-art semiconductor fabrication and information security technology, have many good qualities relative to the fixture of other kind, just becoming increasingly popular the various aspects of modern economy and daily life.Along with the fast development of internet economy, conventional authentication technology is increasingly difficult in adapt to the demand for development of smart card, and fingerprint identification technology is increasingly becoming well accepted smart card authentication technology because of it in agility, convenience and the reliability of authenticated connection.
With the fast development of internet economy, the case that the Internet is stolen user's property and information happens occasionally, and becomes a problem that cannot ignore in application of IC cards.In order to solve the problems referred to above, people devise multiple encryption certificate scheme based on contemporary cryptology, and existing encrypting fingerprint certificate scheme generally requires and uploads finger print information outside user Xiang Ka and verify, this brings disclosure risk to user fingerprints information.
Summary of the invention
Set forth below is the brief overview about the present invention, in order to provide the basic comprehension about certain aspects of the invention.Summarize it is understood, however, that this general introduction is not the exhaustive about the present invention.It is not intended to the critical component for determining the present invention or pith, is not to be intended to limit the scope of the present invention.Its purpose is only to provide some concept about the present invention in simplified form, in this, as preamble in greater detail given later.
For the above-mentioned problems in the prior art, it is an object of the present invention to provide a kind of encrypting fingerprint smart card, it can complete the finger print identifying of user in the finger print safety chip of smartcard internal, and authentication information is sent to intelligent card chip by ISO7816 standard interface through encryption, intelligent card chip controls the activation of intelligent card chip application function according to adding confidential information, only could normally use the related application function of this smart card after user has passed through fingerprint authentication, i.e. ensure that the safety of card, in turn ensure that the safety of user fingerprints information.
To achieve these goals, according to the invention provides a kind of encrypting fingerprint smart card, it is characterised in that: include
Finger print safety chip, is integrated with fingerprint sensor and safety chip；
Intelligent card chip；
Power circuit；
And the multiple interfaces to external system；
Described finger print safety chip is for sensing initial fingerprint and at least one subsequent fingerprint of user, the initial fingerprint of described user and at least one subsequent fingerprint form initial fingerprint characteristic information and at least one subsequent fingerprint characteristic information through safety chip process, described user's initial fingerprint characteristic information burning in safety chip among, described initial fingerprint characteristic information completes at finger print safety chip internal with the comparison of at least one subsequent fingerprint characteristic information, comparative result is sent to intelligent card chip by 7816 interfaces through finger print safety chip encryption, intelligent card chip controls whether the application of activation intelligent card chip according to adding confidential information.
By below in conjunction with the accompanying drawing detailed description to highly preferred embodiment of the present invention, the these and other advantage of the present invention will be apparent from.
Accompanying drawing explanation
The present invention can employ same or analogous reference to represent same or like parts the most in all of the figs by with reference to being better understood below in association with the detailed description given by accompanying drawing.Described accompanying drawing comprises in this manual together with detailed description below and forms a part for description, is used for being further illustrated by the preferred embodiments of the present invention and explaining the principle and advantage of the present invention.In the accompanying drawings:
Fig. 1 shows the block diagram of the encrypting fingerprint smart card according to the present invention；
Fig. 2 shows the block diagram of encrypting fingerprint chip according to an embodiment of the invention；
Fig. 3 shows the exemplary processes performed during fingerprint register on card according to the smart card shown in embodiments of the invention Fig. 1；And
Fig. 4 shows the exemplary processes performed during fingerprint authentication on card according to the smart card shown in embodiments of the invention Fig. 1.
Detailed description of the invention
Hereinafter in connection with accompanying drawing, the one exemplary embodiment of the present invention is described.For clarity and conciseness, all features of actual embodiment are not the most described.It should be understood, however, that must make during developing any this practical embodiments much specific to the decision of embodiment, in order to realize the objectives of developer.
Below to be integrated with encrypting fingerprint chip, intelligent card chip, power supply and to as a example by the encrypting fingerprint smart card designs of fingerprint register on multiple interfaces and support card of external system and the upper fingerprint authentication of card, structure and relevant processing procedure to encrypting fingerprint smart card according to embodiments of the present invention illustrate.
Fig. 1 shows the block diagram of encrypting fingerprint smart card according to an embodiment of the invention.After smart card has only carried out effective fingerprint pressing (that is, having passed through fingerprint authentication) on the fingerprint collecting end of its integrated finger print safety chip, just can be used for normal subsequent treatment.
As shown in Figure 1, by ISO7816 standard definition smart card contact pad, (figure Intermediate gasket is schematic diagram to smart card, it is not to limit only with gasket style as shown in FIG., the pad of any ISO7816 of meeting standard can use), conventional APDU order and response protocol defined in ISO7816 is utilized to communicate with extraneous (such as, card reader).Within a smart card, at least include two chips, intelligent card chip and encrypting fingerprint chip, encrypting fingerprint integrated chip fingerprint sensor and encrypting fingerprint chip.Power supply is powered through all parts that power control circuit is integrated in smart card, and fingerprint sensor is used for detecting the information in fingerprint of user (that is, card holder).Finger print safety chip has ISO7816 interface, and it is via APDU order conventional defined in ISO7816 and response protocol intelligent card chip exchange message.
Smart card, in addition to providing contact communication mode, also provides for contactless communication mode such as NFC, Bluetooth, WiFi, Zigbee.
The sensitive data of the fingerprint feature information of user's registration is stored in encrypting fingerprint chip, fingerprint authentication is performed by encrypting fingerprint chip, i.e. encrypting fingerprint chip will form user fingerprints characteristic information after the finger print information extraction of fingerprint sensor, this feature information is compared with the fingerprint feature information prestored, in order to determine whether card holder is the card owner.Described encrypting fingerprint chip comprises fingerprint driving, fingerprint engine, fingerprint template, ISO7816 driving.
Fingerprint drive, for sensor acquisition to fingerprint carry out feature information extraction.
Fingerprint engine, is used for preserving fingerprint algorithm, and described fingerprint algorithm enters memory module by burning mode burning.
Fingerprint template, for preserving the finger print information of institute user, the fingerprint feature information of described user registration is to enter fingerprint template by burning mode burning.
ISO7816 drives, and the object information after described processing module is carried out finger print information comparison is encrypted.
Described AES can include following one or more: AES, DES, 3DES, RSA, ECC data AES, Advanced Encryption Standard, the close SM1 of state, the close SM2 of state, the close SM3 of state and the close SM4 of state etc..
First this encrypting fingerprint chip gathers finger print information from fingerprint sensor, this fingerprint sensor can be slidingtype, it can also be pressing type, wherein the collection area of pressing type can be 192*192, 160*160, 176*176 equidimension, encrypting fingerprint chip carries out fingerprint pretreatment by fingerprint algorithm to the finger print information of fingerprint sensor collection, including carrying out image block, linearity filters, image enhaucament, extract Block direction, ask for singular point block, extract the field of direction, the field of direction filters, obtain singular point, image binaryzation, binaryzation is modified, obtain frequency fields, obtain fingerprint density, obtain fingerprint pattern, fingerprint image refines, obtain fingerprint minutiae, integration templates etc. operate, fingerprint feature information after finally processing is stored in encrypting fingerprint chip.
Encrypting fingerprint chip can use SC 300 32-bit RISC core high-performance processor as kernel.
Described power management module, powers for controlling all parts integrated in smart card.
Fingerprint register process is as shown in Fig. 3, from the beginning of fingerprint register is from step S310, then in step S320, one display device of encrypting fingerprint chip controls is used for pointing out intelligent card subscriber to carry out fingerprint register.Here, any method well known in the prior art can be used to carry out prompting such as display lamp, display screen.
In step S330, when its finger is placed on fingerprint sensor in response to prompting shown in display device by user, gathers the fingerprint image of user via fingerprint sensor, and provide it to encrypting fingerprint chip.
Encrypting fingerprint chip is after receiving user fingerprint image, in step S340, carries out Finger print characteristic abstract process, in order to extract the fingerprint feature information of user.Here, encrypting fingerprint chip can use any feature extraction algorithm well known in the prior art to extract user fingerprints pattern.
In step S350, the described fingerprint pattern information received is stored in the internal storage device (not shown in figure 1) of encrypting fingerprint chip by fingerprint register and checking application program, and sends " succeeding in registration " response message to instruction device.
In step S360, instruction device is in response to described " succeeding in registration " response message, by updating instruction device information, in order to notice user fingerprints registration completes.
Fingerprint register terminates in step S370, this completes fingerprint register process on the card of user (that is, the card owner).
When user needs to use intelligent card chip to carry out subsequent treatment, such as when completing once to conclude the business, he first has to complete on card after fingerprint recognition success (now, card is placed on hand), i.e. pass through on the card shown in Fig. 4 after fingerprint authentication process, smart card could be activated and follow-up being put in card reader by smart card operates accordingly, otherwise will be unable to card is normally used.
As shown in Figure 4, in step S410, prompting user proceeds by fingerprint authentication to fingerprint authentication.
In step S420, its finger is placed on fingerprint sensor by user, gathers the fingerprint image of user via fingerprint sensor, and provides it to encrypting fingerprint chip.
In step S430, encrypting fingerprint chip extracts user fingerprints characteristic information.
In step S440, fingerprint register and checking application program, the user fingerprints pattern information extracted in step S430 is compared with the registered fingerprint characteristic information being previously stored in fingerprint recognition chip, to determine whether the two mates.
If determining that in step S440 above-mentioned fingerprint feature information is mutually matched, then process and proceed to step S450, encrypting fingerprint chip comparison result is encrypted, add confidential information and send to intelligent card chip through 7816 interfaces；Otherwise, process proceeds to step S470.
In step S460, intelligent card chip fingerprint authentication Success Flag is set to true to activate the application function of intelligent card chip according to adding confidential information by intelligent card chip.
In step S470, encrypting fingerprint chip instruction display device displays to the user that fingerprint authentication is the most successful.Hereafter, on card, the process of fingerprint authentication terminates in step S480.
In order to ensure only could normally use smart card after by fingerprint authentication, conventional application program on intelligent card chip needs to utilize the value of above-mentioned fingerprint authentication Success Flag, only when fingerprint authentication Success Flag is set, intelligent card chip could be activated properly functioning, to interact with external card reader, such as, it is traded by card reader.
Although combining accompanying drawing above to describe embodiments of the invention in detail, it is to be understood that embodiments described above is only intended to the present invention is described, and it is not intended that limitation of the present invention.For a person skilled in the art, above-mentioned embodiment can be made various modifications and changes without departing from the spirit and scope of the invention.Therefore, the scope of the present invention is only limited by appended claim and equivalents thereof.
Claims (10)
1. an encrypting fingerprint smart card, it is characterised in that: include
Finger print safety chip, described finger print safety integrated chip has fingerprint sensor and safety chip；
Intelligent card chip；
Power circuit；
And the multiple interfaces to external system；
Described finger print safety chip is for sensing initial fingerprint and at least one subsequent fingerprint of user, the initial fingerprint of described user and at least one subsequent fingerprint form initial fingerprint characteristic information and at least one subsequent fingerprint characteristic information through safety chip process, described user's initial fingerprint characteristic information burning in safety chip among, described initial fingerprint characteristic information completes at finger print safety chip internal with the comparison of at least one subsequent fingerprint characteristic information, comparative result is sent to intelligent card chip by 7816 interfaces through finger print safety chip encryption, intelligent card chip controls whether the application of activation intelligent card chip according to adding confidential information.
2. smart card as claimed in claim 1, it is characterised in that described finger print safety chip, intelligent card chip, power circuit, to multiple Interface integrations of external system among same chip.
3. smart card as claimed in claim 1 or 2, it is characterised in that: described safety chip can be from selected from SLE97, SLE4404, SLE4406, SLE4418, SLE4428, SLE4432/4442, SLE4436, NXP MF1 IC S20, NXP MF1 IC S50, NXP MF1 IC S70, AT88SC101, AT88SC102, AT88SC200, M68HC05SC, MF4406, MF4428, MF4442.
4. smart card as claimed in claim 1 or 2, it is characterised in that: described multiple interfaces to external system comprise one or more among contact pins and antenna assembly.
5. smart card as claimed in claim 4, it is characterized in that: wherein said antenna assembly is selected from NFC and the chip of support 13.56MHz operating frequency, Bluetooth and the chip of support 2.4GHz, 5-7 GHz operating frequency, WiFi and the chip of support 2.4GHz, 5.8GHz operating frequency, one or more in the chip of Zigbee and support 868GMHz, 915GMHz, 2.3GHz operating frequency.
6. smart card as claimed in claim 1 or 2, farther includes power supply, it is characterised in that: one or more in lithium battery, graphene battery, polymer battery, fuel cell, ceramic cell, solaode of described power supply.
7. fiscard as claimed in claim 6, it is characterised in that: described power supply comprises " super capacitor " as Power convert further.
8. smart card as claimed in claim 1 or 2, it is characterised in that: described fingerprint sensor is the one in sweep fingerprint sensor, pressing type fingerprint sensor.
9. smart card as claimed in claim 1 or 2, it is characterised in that: farther include on and off switch.
10. smart card as claimed in claim 1 or 2, it is characterised in that: farther include to indicate device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510781305 | 2015-11-16 | ||
| CN2015107813055 | 2015-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105913111A true CN105913111A (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610024348.3A Pending CN105913111A (en) | 2015-11-16 | 2016-01-15 | Fingerprint encryption intelligent card |
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| Country | Link |
|---|---|
| CN (1) | CN105913111A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106779014A (en) * | 2016-12-26 | 2017-05-31 | 深圳市中舜创新科技有限公司 | Smart card and application method with push type fingerprint sensor |
-
2016
- 2016-01-15 CN CN201610024348.3A patent/CN105913111A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106779014A (en) * | 2016-12-26 | 2017-05-31 | 深圳市中舜创新科技有限公司 | Smart card and application method with push type fingerprint sensor |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160831 |
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| WD01 | Invention patent application deemed withdrawn after publication |