CN207408976U - A kind of biometric security authentication smart card towards passive scene - Google Patents
A kind of biometric security authentication smart card towards passive scene Download PDFInfo
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- CN207408976U CN207408976U CN201720904676.2U CN201720904676U CN207408976U CN 207408976 U CN207408976 U CN 207408976U CN 201720904676 U CN201720904676 U CN 201720904676U CN 207408976 U CN207408976 U CN 207408976U
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- fingerprint
- smart card
- microprocessor
- safety chip
- biometric security
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- 238000005516 engineering process Methods 0.000 abstract description 11
- 238000005538 encapsulation Methods 0.000 abstract description 4
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Abstract
The utility model is related to a kind of biometric security authentication smart cards towards passive scene.Antenna is coupled with outer signals source, obtains electric energy, and regulator rectifier circuit carries out rectifying and voltage-stabilizing to electric energy, smart card is supplied to use；Fingerprint collecting circuit is used to gather the fingerprint image of user.In finger print identifying, safety chip sends random number to microprocessor, microprocessor will be sent to safety chip with fingerprint feature information to be verified after random number encryption, safety chip is decrypted using key, if decrypting the nonces match that obtained random number is generated with safety chip, it is verified.The smart card is rapidly completed registration and certification by finger touch；Without built-in power in the smart card, communication and biological identification are only realized by near field coupling technique, the yields limitation of influence and battery technology encapsulation from battery technology；Transformation safety identifies relevant application flow, prevents the risk of key from stealing.
Description
Technical field
The utility model is related to field of intelligent cards, pacify more specifically to a kind of bio-identification towards passive scene
Full authentication smart card.
Background technology
Smart card (Bank Card) is from the financial institutions such as business bank and postal deposit and remittance mechanism having to society's distribution
The credit payment instrument of all or part of functions such as consumer credit, the transfer and settlement of accounts, access cash, security need to obtain greatly
Ground guarantee uses contact type intelligent card technology for the inexpensive high safety entity authentication technology of the Internet of Things web portal of typical carriers
On smart cards, the security of smart card and payment convenience are significantly enhanced.
The research of fingerprint identification technology has been achieved with much being in progress, but with the development that Internet of Things is applied, Internet of Things should
The demand of the even passive application scenarios of low-power consumption is gradually increased with scene.Therefore, by near-field coupling, with contactless intelligence
Energy card technique will have extensive city for the inexpensive high safety entity authentication method of the Internet of Things web portal of typical carriers with device
Field and application prospect, and the high safety entity authentication market towards frontier can be cultivated, such as license real-time authentication, high end door
Taboo, secure accessing and field of human-computer interaction etc..
Utility model content
The technical problems to be solved in the utility model is, the defects of for the prior art, provides a kind of towards passive field
The biometric security authentication smart card of scape.
Technical solution is used by the utility model solves its technical problem：Construct a kind of biology towards passive scene
Identify security authentication smart card, including：Card body, safety chip, microprocessor, fingerprint collecting circuit, antenna, rectifying and voltage-stabilizing electricity
Road, wherein, the safety chip, microprocessor, fingerprint collecting circuit, antenna and regulator rectifier circuit are arranged at described
In card body, the card body is provided with for the window of fingerprint collecting circuit acquisition fingerprint；
The antenna connects the safety chip and regulator rectifier circuit respectively, and the antenna carries out coupling with outer signals source
It closes, produces electricl energy and power for smart card and exchange data with the external world；The regulator rectifier circuit connects the microprocessor respectively
Device and fingerprint collecting circuit, the electric energy for the antenna to be coupled carry out rectifying and voltage-stabilizing, are supplied to the microprocessor
It is used with fingerprint collecting circuit；
The fingerprint collecting circuit is connected with the microprocessor, for gathering the fingerprint image of user, and is transmitted to institute
State microprocessor；Fingerprint image described in the microprocessor processes, take the fingerprint characteristic information, and by the fingerprint feature information
It is sent to the safety chip；
The safety chip is connected with microprocessor, in finger print identifying, the safety chip send a string of random numbers to
The microprocessor, the microprocessor will be sent to the peace with fingerprint feature information to be verified after the random number encryption
Full chip, the safety chip are decrypted using key, judge to decrypt what obtained random number was generated with the safety chip
Whether random number matches, if so, being verified.
Preferably, the biometric security authentication smart card described in the utility model towards passive scene, the safety
Chip includes storage unit, and when using smart card for the first time, the fingerprint collecting circuit gathers finger print information, and is sent to described micro-
Processor, the microprocessor extracts the fingerprint feature information of the finger print information, as the key storage in the storage
In unit.
Preferably, the biometric security authentication smart card described in the utility model towards passive scene, it is first to use
During smart card, the antenna receives the fingerprint feature information for the user that external fingerprint emitter is sent, and is transmitted to the peace
Full chip, as the key storage in the storage unit.
Preferably, the biometric security authentication smart card described in the utility model towards passive scene, the fingerprint
Acquisition Circuit integrates active capacitance type fingerprint sensing chip.
Preferably, the biometric security authentication smart card described in the utility model towards passive scene, the antenna
Coupling with outer signals source meets ISO14443 agreements.
Preferably, the biometric security authentication smart card described in the utility model towards passive scene, the safety
Chip and microprocessor two-way communication link, the microprocessor and fingerprint collecting circuit two-way communication link.
Preferably, the biometric security authentication smart card described in the utility model towards passive scene, the safety
Chip supports PBOC3.0 transaction and static data certification, Dynamic Data Authentication, a variety of certifications of compound Dynamic Data Authentication and life
Object certification is combined.
Preferably, the biometric security authentication smart card described in the utility model towards passive scene, the safety
Chip further includes password authentication unit, and the antenna receives the password for subscriber authentication, and is transmitted to the safe core
The password authentication unit of piece is verified；
The safety chip verifies user's body using cipher authentication or finger print identifying or password adding fingerprint combination certification
Part.
In addition, the utility model also provides a kind of authenticating party of the biometric security authentication smart card towards passive scene
Method, for the above-mentioned biometric security authentication smart card towards passive scene, including：
S1：Antenna is coupled with outer signals source, is produced electricl energy and is powered for smart card and exchange data with the external world；
S2：Fingerprint collecting circuit gathers the fingerprint image of user, and is transmitted to the microprocessor；
S3：Fingerprint image described in the microprocessor processes, take the fingerprint characteristic information；
S4：The safety chip sends a string of random numbers to the microprocessor；
S5：The microprocessor will be sent to the safety with fingerprint feature information to be verified after the random number encryption
Chip, the safety chip are decrypted using key, obtain random number；
S6：Judge whether the random number that decryption obtains matches with the random number that the safety chip generates；
S7：If so, it is verified.If it is not, then authentication failed.
Preferably, the authenticating party of the biometric security authentication smart card described in the utility model towards passive scene
Method when using smart card for the first time, further includes step：
The fingerprint collecting circuit gathers finger print information, and is sent to the microprocessor, and the microprocessor extracts institute
The fingerprint feature information of finger print information is stated, as the key storage in the safety chip；
Or
The antenna receives the fingerprint feature information for the user that external fingerprint emitter is sent, and is transmitted to the safety
Chip, as the key storage in the safety chip.
Implement a kind of biometric security authentication smart card towards passive scene of the utility model, have beneficial below
Effect：Antenna is coupled with outer signals source；It is steady that regulator rectifier circuit is used for the electric energy for coupling antenna progress rectification
Pressure is supplied to microprocessor and fingerprint collecting circuit to use；Fingerprint collecting circuit is used to gather the fingerprint image of user；In fingerprint
During certification, safety chip sends a string of random numbers to microprocessor, and microprocessor will be random with fingerprint feature information to be verified
Safety chip is sent to after number encryption, safety chip is decrypted using key, judges to decrypt obtained random number and safe core
Whether the random number that piece generates matches, if so, being verified.The smart card is by touching quick seamless registration and certification；It should
Without built-in power in smart card, communication and biological identification are only realized by near field coupling technique, from battery technology influence with
And the yields limitation of battery technology encapsulation；Transformation safety identifies relevant application flow, it is therefore prevented that the risk of key from stealing.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is a kind of structure diagram of biometric security authentication smart card towards passive scene of the utility model；
Fig. 2 is a kind of stream of the authentication method of biometric security authentication smart card towards passive scene of the utility model
Journey schematic diagram.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, it is detailed now to compare attached drawing
Illustrate specific embodiment of the present utility model.
Fig. 1 is a kind of structure diagram of biometric security authentication smart card towards passive scene of the utility model.
Specifically, the smart card includes：Card body 10, safety chip 20, microprocessor 30, fingerprint collecting circuit 40, antenna
50th, regulator rectifier circuit 60, wherein, safety chip 20, microprocessor 30, fingerprint collecting circuit 40, antenna 50 and rectification are steady
Volt circuit 60 is arranged in card body 10, and card body 10 is provided with the window that fingerprint is gathered for fingerprint collecting circuit 40.
Antenna 50 connects safety chip 20 and regulator rectifier circuit 60 respectively, and antenna 50 is coupled with outer signals source,
It produces electricl energy and powers for smart card and exchange data with the external world.It should be by the way that antenna 50 be set to provide electric energy for smart card, no longer
Need to set special battery in card, the thickness of the card greatly reduced, at the same also the influence from battery technology and
The yields limitation of battery technology encapsulation, the smart card can realize that normal non-contact formula communicates.
Regulator rectifier circuit 60 connects microprocessor 30 and fingerprint collecting circuit 40 respectively, for the coupling of antenna 50 to be obtained
Electric energy carry out rectifying and voltage-stabilizing, microprocessor 30 and fingerprint collecting circuit 40 is supplied to use.Preferably, microprocessor 30 uses
Low power processor.
Fingerprint collecting circuit 40 is connected with microprocessor 30, for gathering the fingerprint image of user, and is transmitted to microprocessor
Device 30；Microprocessor 30 handles fingerprint image, and take the fingerprint characteristic information, and fingerprint feature information is sent to safety chip
20。
Safety chip 20 is connected with microprocessor 30, and in finger print identifying, safety chip 20 sends a string of random numbers to micro-
Processor 30, it is preferable that safety chip 20 is integrated with to emit the randomizer of random number.Microprocessor 30 is with to be tested
The fingerprint feature information of card will be sent to safety chip 20 after random number encryption, safety chip 20 is decrypted using key, sentenced
It is disconnected to decrypt whether obtained random number matches with the random number that safety chip 20 generates, if so, being verified.If it is not, it then tests
Card failure.It is such as verified, then can perform and the operations such as pay, transfer accounts.
Further, the biometric security authentication smart card towards passive scene of the utility model, safety chip 20 wrap
Storage unit 201 is included, when using smart card for the first time, fingerprint collecting circuit 40 gathers finger print information, and is sent to microprocessor 30,
Microprocessor 30 takes the fingerprint the fingerprint feature information of information, as key storage in storage unit 201.Preferably, it is guarantor
Card user data is perfectly safe, which can only write once, and data can not be changed.
Preferably, the biometric security authentication smart card towards passive scene of the utility model, it is first to use intelligence
During card, antenna 50 receives the fingerprint feature information for the user that external fingerprint emitter is sent, and is transmitted to safety chip 20, makees
It is key storage in storage unit 201.
Preferably, the biometric security authentication smart card towards passive scene of the utility model, fingerprint collecting circuit
40 integrated active capacitance type fingerprint sensing chips or other can obtain the sensing chips of user fingerprints.
Preferably, the biometric security authentication smart card towards passive scene of the utility model, antenna 50 and the external world
The coupling of signal source meets ISO14443 agreements.ISO14443 agreements are non-contact IC card standard agreement (Contactless
Card standards), it is made of four parts：
First portion：Physical characteristic；
Second portion：Spectrum power and signaling interface；
Part III：Initialization and anti-collision algorithms；
Part IV：Communications protocol.
Preferably, the biometric security authentication smart card towards passive scene of the utility model, safety chip 20 with
30 two-way communication link of microprocessor, microprocessor 30 and 40 two-way communication link of fingerprint collecting circuit.
Preferably, the biometric security authentication smart card towards passive scene of the utility model, safety chip (20)
Support PBOC3.0 transaction and static data certification (Static Data Authentication, SDA), Dynamic Data Authentication
(Dynamic Data Authentication, DDA), compound Dynamic Data Authentication (Combined DDA, CDA) a variety of certifications
It is combined with biological identification.
Further, the biometric security authentication smart card towards passive scene of the utility model, safety chip 20 is also
Including password authentication unit 202, antenna 50 receives the password for subscriber authentication, and is transmitted to the password of safety chip 20
Authentication unit 202 is verified；Safety chip 20 using cipher authentication or finger print identifying or password adding fingerprint combination certification come
Verify user identity.The utility model can be used for license real-time authentication, fiscard and field of human-computer interaction grade high secure entity
In certification scene.User can be paid by way of traditional input password in link is paid or pass through reading
Print verifies that the mode of fingerprint is paid, it is also an option that the double verification mode of encrypting fingerprint code is paid, user
Can personalized selection be carried out according to different securities and convenience.
In addition, the utility model also provides a kind of authenticating party of the biometric security authentication smart card towards passive scene
Method, for the above-mentioned biometric security authentication smart card towards passive scene.
Fig. 2 is a kind of stream of the authentication method of biometric security authentication smart card towards passive scene of the utility model
Journey schematic diagram.
Specifically, this method includes：
S1：Antenna 50 is coupled with outer signals source, is produced electricl energy and is powered for smart card and exchange number with the external world
According to；
S2：Fingerprint collecting circuit 40 gathers the fingerprint image of user, and is transmitted to microprocessor 30；
S3：Microprocessor 30 handles fingerprint image, and take the fingerprint characteristic information；
S4：Safety chip 20 sends a string of random numbers to microprocessor 30；
S5：Microprocessor 30 will be sent to safety chip 20 with fingerprint feature information to be verified after random number encryption, peace
Full chip 20 is decrypted using key, obtains random number；
S6：Judge whether the random number that decryption obtains matches with the random number that safety chip 20 generates；
S7：If so, it is verified；If it is not, then authentication failed.
Preferably, the authentication method of the biometric security authentication smart card towards passive scene of the utility model,
When using smart card for the first time, step is further included：
Fingerprint collecting circuit 40 gathers finger print information, and is sent to microprocessor 30, and microprocessor 30 takes the fingerprint information
Fingerprint feature information, as key storage in safety chip 20；
Or
Antenna 50 receives the fingerprint feature information for the user that external fingerprint emitter is sent, and is transmitted to safety chip
20, as key storage in safety chip 20.For example, user may be selected to input finger print information to bank's number by bank counter
According in storehouse, the finger print information in database is injected into the smart card of distribution by bank again.
The utility model can be used for license real-time authentication, fiscard and field of human-computer interaction grade high secure entity certification field
Jing Zhong.User can be paid by way of traditional input password or be referred to by reading in link is paid
Line verifies that the mode of fingerprint is paid, it is also an option that the double verification mode of encrypting fingerprint code is paid, user can be with
Personalized selection is carried out according to different securities and convenience.
By implementing the utility model, fingerprint collecting circuit is injected in smart card by repeatedly touching quick seamless registration,
It is 0.2s from the average time for touching identification, has reached the industry most fast response time.In addition, without in-built electrical in smart card
ISO14443 communications and biological identification, influence and battery skill from battery technology are only realized in source by near field coupling technique
The fingerprint image collected is transferred to microprocessor (MCU), microprocessor by the yields limitation of art encapsulation, fingerprint capturer
MCU extracts fingerprint feature information from fingerprint image, then using fingerprint feature information as the parameter of key and password generated
And safety chip is sent to after the core security aes encryption of security protocol exchange, it transforms safety and identifies relevant application stream
Journey, it is therefore prevented that the risk of key from stealing reduces the leakage of original fingerprint information, so as to fulfill testimony of a witness unification, securely and reliably
Inexpensive entity authentication.Smart card, which also achieves, supports PBOC3.0 transaction, static data certification (Static Data
Authentication, SDA), Dynamic Data Authentication (Dynamic Data Authentication, DDA) and compound dynamic number
According to a variety of certifications of certification (Combined DDA, CDA) and the combination of biological identification, the business of smart card support is greatly expanded
Scope.
Above example is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, the scope of protection of the utility model can not be limited.It is all with
The equivalent changes and modifications that the utility model claims scope is done, should all belong to the utility model claims covers model
It encloses.
Claims (8)
1. a kind of biometric security authentication smart card towards passive scene, which is characterized in that including：Card body (10), safety
Chip (20), microprocessor (30), fingerprint collecting circuit (40), antenna (50), regulator rectifier circuit (60), wherein, the peace
Full chip (20), microprocessor (30), fingerprint collecting circuit (40), antenna (50) and regulator rectifier circuit (60) are respectively provided with
In the card body (10), the card body (10) is provided with for the window of the fingerprint collecting circuit (40) acquisition fingerprint；
The antenna (50) connects the safety chip (20) and regulator rectifier circuit (60), the antenna (50) and the external world respectively
Signal source is coupled, and is produced electricl energy and is powered for smart card and exchange data with the external world；The regulator rectifier circuit (60) point
The microprocessor (30) and fingerprint collecting circuit (40) are not connected, and the electric energy for the antenna (50) coupling to be obtained carries out
Rectifying and voltage-stabilizing is supplied to the microprocessor (30) and fingerprint collecting circuit (40) to use；
The fingerprint collecting circuit (40) is connected with the microprocessor (30), for gathering the fingerprint image of user, and transmits
To the microprocessor (30)；The microprocessor (30) handles the fingerprint image, and take the fingerprint characteristic information, and by described in
Fingerprint feature information is sent to the safety chip (20)；
The safety chip (20) is connected with microprocessor (30).
2. the biometric security authentication smart card according to claim 1 towards passive scene, which is characterized in that described
Safety chip (20) includes storage unit (201), when using smart card for the first time, fingerprint collecting circuit (40) the acquisition fingerprint letter
Breath, and the microprocessor (30) is sent to, the microprocessor (30) extracts the fingerprint feature information of the finger print information, makees
It is key storage in the storage unit (201).
3. the biometric security authentication smart card according to claim 2 towards passive scene, which is characterized in that first
During using smart card, the antenna (50) receives the fingerprint feature information for the user that external fingerprint emitter is sent, and transmits
To the safety chip (20), as the key storage in the storage unit (201).
4. the biometric security authentication smart card according to claim 1 towards passive scene, which is characterized in that described
Fingerprint collecting circuit (40) integrates active capacitance type fingerprint sensing chip.
5. the biometric security authentication smart card according to claim 1 towards passive scene, which is characterized in that described
Antenna (50) and the coupling of outer signals source meet ISO14443 agreements.
6. the biometric security authentication smart card according to claim 1 towards passive scene, which is characterized in that described
Safety chip (20) and microprocessor (30) two-way communication link, the microprocessor (30) and fingerprint collecting circuit (40) are two-way
Communication connection.
7. the biometric security authentication smart card according to claim 1 towards passive scene, which is characterized in that described
Safety chip (20) supports that PBOC3.0 transaction and static data certification, Dynamic Data Authentication, compound Dynamic Data Authentication are a variety of
Certification is combined with biological identification.
8. the biometric security authentication smart card according to claim 1 towards passive scene, which is characterized in that described
Safety chip (20) further includes password authentication unit (202), and the antenna (50) receives the password for subscriber authentication, and
The password authentication unit (202) for being transmitted to the safety chip (20) is verified；
The safety chip (20) verifies user's body using cipher authentication or finger print identifying or password adding fingerprint combination certification
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720904676.2U CN207408976U (en) | 2017-07-24 | 2017-07-24 | A kind of biometric security authentication smart card towards passive scene |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720904676.2U CN207408976U (en) | 2017-07-24 | 2017-07-24 | A kind of biometric security authentication smart card towards passive scene |
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| CN207408976U true CN207408976U (en) | 2018-05-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109614965A (en) * | 2019-02-19 | 2019-04-12 | 北京英奇芯片技术有限公司 | A kind of the fingerprint mould group and its fingerprint identification method of the identification function containing NFC |
-
2017
- 2017-07-24 CN CN201720904676.2U patent/CN207408976U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109614965A (en) * | 2019-02-19 | 2019-04-12 | 北京英奇芯片技术有限公司 | A kind of the fingerprint mould group and its fingerprint identification method of the identification function containing NFC |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200911 Address after: 518000, Shenzhen, Guangdong, Futian District Futian street, China Road, excellent Merlin Center Plaza (North District) 4, 1205 Patentee after: CHINA-VISION INTELLIGENT CARD READER Co.,Ltd. Address before: 518000, Shenzhen, Guangdong, Futian District Futian street, China Road, excellent Merlin Center Plaza (North District) 4, 1206 Patentee before: CHINA VISION MICROELECTRONIC Co.,Ltd. |
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| 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: 20180525 |