CN105913110A - Fingerprint encryption EID financial card and realization method - Google Patents
Fingerprint encryption EID financial card and realization method Download PDFInfo
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- CN105913110A CN105913110A CN201610024347.9A CN201610024347A CN105913110A CN 105913110 A CN105913110 A CN 105913110A CN 201610024347 A CN201610024347 A CN 201610024347A CN 105913110 A CN105913110 A CN 105913110A
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- fiscard
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- 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
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
- G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
- G06K19/07345—Means for preventing undesired reading or writing from or onto record carriers by activating or deactivating at least a part of the circuit on the record carrier, e.g. ON/OFF switches
- G06K19/07354—Means for preventing undesired reading or writing from or onto record carriers by activating or deactivating at least a part of the circuit on the record carrier, e.g. ON/OFF switches by biometrically sensitive means, e.g. fingerprint sensitive
-
- 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)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Software Systems (AREA)
- Collating Specific Patterns (AREA)
Abstract
The invention provides a fingerprint encryption EID financial card and a realization method. Fingerprint authentication of a user can be finished in an encryption chip inside the EID financial card, authentication information is transmitted to a controlled through encryption via an ISO7816 standard interface, the controller controls activation of the financial card chip according to encryption information and conducts the financial card chip and an external interface, EID information of the EID financial card is stored in the financial card chip in the card, and user identify verification is carried out through information interaction between the EID information and an EID unified authentication service system. According to the invention, the user cannot normally use an application of the EID financial card unless he succeeds in fingerprint verification and EID identity verification authentication, 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 one has encrypting fingerprint EID fiscard and implementation method.
Background technology
Fiscard is also called chip bank card, is the bank card using chip as medium.Chip card capacity is big, can store the information such as key, digital certificate, fingerprint, and its operation principle is similar to microcomputer, it is possible to process several functions simultaneously, provides the facility of one card for multiple uses for holder.
Owing to traditional Password Input verification mode speed is slower, cipher memory inconvenience, there is password loss equivalent risk simultaneously, fingerprint recognition is with its speed, the factor such as convenient is used widely, the fingerprint recognition that fiscard aspect commonly uses at present substitutes the method for password mainly to be had following several: the first, at bank's registered fingerprint when user applies for, fingerprint masterplate leaves in banking data base, when using fiscard, the fingerprint identification device of consumption end scans the fingerprint of user compare with the fingerprint in data base, and then complete transaction.The second, fingerprint template information is existed in fiscard chip when fiscard is registered by user, and the fingerprint scanning user on the fingerprint identification device of consumption end is compared with the fingerprint in fiscard chip, and then completes transaction.Above certificate scheme is all probably due to there is disclosure risk in the reasons such as system administration is not good at, network attack, artificial leakage.
EID is the English abbreviation of English " Electronic Identity ", Chinese entitled " electronic ID card " or " network electronic identity card ", the network electronic identity of citizen it is signed and issued to by " Ministry of Public Security citizen network identity identification system ", based on cryptographic technique, with intelligent and safe chip as carrier, for confirming individual's true identity at network remote.
EID system relies on the Ministry of Public Security to cover the national citizenship information bank of 1,300,000,000 populations, the various identity informations utilizing user actively to submit to set up different credit grades, generating one group of unique network identifier different from traditional folk houses identity card with digital certificate, electronic ID card is used in network.From design principle, electronic ID card is one section of network identifier, and itself does not contains any subscriber identity information；From idea in management, foundation and the management of electronic ID card Association Identity are carried out by unified mechanism.The most both ensure that the verity of personal identification, and subscriber identity information can be prevented effectively from again and be carried over into the exposure at various Virtual network operator and disclosure risk.
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.
nullFor problem present in existing fiscard finger print identifying technology，It is an object of the invention to provide a kind of EID fiscard with encrypting fingerprint and implementation method，It can complete the finger print identifying of user in the encryption chip within EID fiscard，And authentication information is sent to controller by ISO7816 standard interface through encryption，By this controller according to the activation adding confidential information and controlling fiscard chip，And turn on fiscard chip and external interface，In the fiscard chip that the EID information of described EID fiscard is stored in card，Described EID information is by carry out information mutual with EID unified certification service system，Carry out subscriber authentication，Only could normally use the application of this EID fiscard after user has passed through fingerprint authentication and EID authentication certification，I.e. ensure that the safety of card，In turn ensure that the safety of user fingerprints information.
To achieve these goals, a kind of encrypting fingerprint EID fiscard, including being integrated in same chip:
Fingerprint sensor；
Encryption chip；
Fiscard chip；
Power control circuit；
Controller, for coupling described encryption chip, fiscard chip, power control circuit and the multiple interfaces to external system；
nullDescribed fingerprint sensor couples encryption chip，For sensing initial fingerprint and at least one subsequent fingerprint of user，The initial fingerprint of described user and the encrypted chip process of at least one subsequent fingerprint form initial fingerprint characteristic information and at least one subsequent fingerprint characteristic information，Described user's initial fingerprint characteristic information burning is among encryption chip，Described initial fingerprint characteristic information completes inside encryption chip with the comparison of at least one subsequent fingerprint characteristic information，The encrypted chip encryption of comparative result sends to controller，Controller controls whether to activate fiscard chip according to adding confidential information，After smart card activation，The EID information being stored in fiscard chip is by carry out information mutual with EID unified certification service system，Carry out subscriber authentication，Only could normally use the application of this EID fiscard after user has passed through fingerprint authentication and EID authentication certification.
It is an advantage of the current invention that while guaranteeing fiscard safety by fingerprint recognition certification and EID certification, the safety of the user fingerprints information that guarantees to know clearly by finger print identifying in chip.
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 EID fiscard according to the present invention；
Fig. 2 shows the block diagram of finger print safety chip according to an embodiment of the invention；
Fig. 3 shows the block diagram of the controller shown in Fig. 1 and Fig. 2；
Fig. 4 shows the exemplary processes performed during fingerprint register on card according to the encrypting fingerprint EID fiscard shown in embodiments of the invention Fig. 2；And
Fig. 5 shows the exemplary processes performed during fingerprint authentication on card according to the encrypting fingerprint EID fiscard shown in embodiments of the invention Fig. 2.
Fig. 6 shows the exemplary processes performed in use according to the encrypting fingerprint EID fiscard shown in embodiments of the invention Fig. 2.
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 on fingerprint sensor, encryption chip, controller, fiscard chip and support card as a example by the encrypting fingerprint smart card designs of fingerprint register 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. 2 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 its integrated fingerprint sensor, just can be used for normal subsequent treatment.
As shown in Fig. 2, by ISO7816 standard definition smart card contact pad 210, (figure Intermediate gasket is schematic diagram to smart card 200, 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).In smart card 200, at least include two chips, fiscard chip 230 and encrypting fingerprint chip 240, integrated fingerprint sensor 250 within a smart card is wanted to be connected with encrypting fingerprint chip 240, encrypting fingerprint chip, fiscard chip, smart card contact pad, power control circuit 260, NFC chip 280 are connected with controller 220, controller be controlled.Power supply 270 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).Controller has ISO7816 main interface, and it is via APDU order conventional defined in ISO7816 and response protocol and encrypting fingerprint chip and fiscard chip exchange message.From the perspective of fiscard chip, controller similarly is that the conventional card reader on ISO7816 interface operates like that, and in other words, controller is considered card reader on a sheet.
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.
AES used by described encryption 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.
Described encrypting fingerprint chip can use SC 300 32-bit RISC core high-performance processor as kernel.Described intelligent card chip is 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。
Controller can be microprocessor, it is also possible to be FPGA control circuit, as it is shown on figure 3, mainly comprise: certification control module, scheduler module, power management module, ISO7816 interface.
Described certification control module, checking adds confidential information from encrypting fingerprint chip, decides whether intelligent card chip fingerprint authentication Success Flag is set to true to activate intelligent card chip according to adding confidential information.
Described scheduler module, for dispatch encrypting fingerprint chip, intelligent card chip and to external system multiple interfaces between information flow.
Described energy supply control module, powers for controlling all parts integrated in smart card.
Fingerprint register process is as shown in Fig. 4, from the beginning of fingerprint register is from step S410, then in step S420, 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 S430, 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 S440, 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 S450, the described fingerprint pattern information received is stored in the internal storage device (not shown in Fig. 2) of encrypting fingerprint chip by fingerprint register and checking application program, and sends " succeeding in registration " response message to instruction device.
In step S460, 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.Subsequently, processing procedure 400 terminates in step S470, this completes fingerprint register process on the card of user (that is, the card owner).
When user needs to use fiscard 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. 5 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.
Fingerprint authentication process is as it is shown in figure 5, in step S510, prompting user proceeds by fingerprint authentication.
In step S520, 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 S530, encrypting fingerprint chip extracts user fingerprints characteristic information.
In step S540, fingerprint register and checking application program, the user fingerprints pattern information extracted in step S530 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 S540 above-mentioned fingerprint feature information is mutually matched, then process and proceed to step S550, encrypting fingerprint chip comparison result is encrypted, add confidential information and send to controller through 7816 interfaces；Otherwise, process proceeds to step S570.
If determining that in step S540 above-mentioned fingerprint feature information is mutually matched, then process and proceed to step S550, encrypting fingerprint chip comparison object information is encrypted, add confidential information and send to controller through 7816 interfaces；Otherwise, process proceeds to step S570.
In step S560, controller is that true is to activate fiscard chip according to add confidential information fiscard chip finger print being proved to be successful traffic sign placement.
In step S570, 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 S580.
In order to ensure only could normally use smart card after by fingerprint authentication, conventional application program on fiscard chip needs to utilize the value of above-mentioned fingerprint authentication Success Flag, only when fingerprint authentication Success Flag is set, fiscard chip could be activated properly functioning, to interact with external card reader, such as, it is traded by card reader.
After activating fiscard chip, fiscard is put into corresponding application terminal and enters flow for authenticating ID, as shown in Figure 6.After experience S610-S620 preparation process, in step S630, fiscard is asked to sending real-name authentication and provides the EID information being stored in fiscard.In step S640, terminal applies system proposes the checking request to this fiscard to EID service system.In step S650, EID service platform starts checking after receiving the checking request to this fiscard and fiscard EID checking information, if entering step 660 by checking, if not by entering step 640.In step S660, EID service platform transmits authentication information to application terminal system.Complete above step and i.e. complete authentication.The method decreases user than general EID checking and inputs EID information Step, decreases exchange hour and user's EID information uplink time, can reduce user profile disclosure risk while accelerating the operation speed.
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 (17)
1. an encrypting fingerprint EID fiscard, it is characterised in that be integrated in same chip
Fingerprint sensor；
Encryption chip；
Fiscard chip；
Power control circuit；
Controller, for coupling described encryption chip, fiscard chip, power control circuit and the multiple interfaces to external system；
nullDescribed fingerprint sensor couples encryption chip，For sensing initial fingerprint and at least one subsequent fingerprint of user，The initial fingerprint of described user and the encrypted chip process of at least one subsequent fingerprint form initial fingerprint characteristic information and at least one subsequent fingerprint characteristic information，Described user's initial fingerprint characteristic information burning is among encryption chip，Described initial fingerprint characteristic information completes inside encryption chip with the comparison of at least one subsequent fingerprint characteristic information，The encrypted chip encryption of comparative result sends to controller，Controller controls whether to activate fiscard chip according to adding confidential information，After smart card activation，The EID information being stored in fiscard chip is by carry out information mutual with EID unified certification service system，Carry out subscriber authentication，Only could normally use the application of this EID fiscard after user has passed through fingerprint authentication and EID authentication certification.
2. fiscard as claimed in claim 1, it is characterised in that described encryption chip and described fiscard chip are same model chip.
3. fiscard as claimed in claim 2, it is characterized in that, fiscard chip platform safety chip therein 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. fiscard as claimed in claim 2, described encryption chip and described fiscard chip are different model chips.
5. fiscard as claimed in claim 1, it is characterised in that described multiple interfaces to external system comprise one or more among contact pins and antenna assembly.
6. fiscard as claimed in claim 5, it is characterized in that, described 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.
7. fiscard as claimed in claim 1, it is characterised in that described controller comprises certification control module, scheduler module, power management module, and the information communication between described controller and described encryption chip, fiscard chip uses 7816 interfaces.
8. fiscard as claimed in claim 7, it is characterised in that described controller is the one in MCU and FPGA circuitry.
9. fiscard as claimed in claim 1, 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.
10. fiscard as claimed in claim 1, it is characterised in that described power supply comprises " super capacitor " as Power convert further.
11. fiscards as claimed in claim 1, it is characterised in that farther include on and off switch.
12. fiscards as claimed in claim 1, it is characterised in that farther include to indicate device.
13. fiscards as claimed in claim 1, it is characterised in that described fingerprint sensor is the one in sweep fingerprint sensor, pressing type fingerprint sensor.
14. fiscards as claimed in claim 1, it is characterised in that the contact surface of described contact pins and fingerprint sensor is arranged on the same face of chip.
15. fiscards as claimed in claim 1, it is characterised in that the contact surface of described contact pins and fingerprint sensor is arranged on the upper and lower surface of chip.
16. fiscards as claimed in claim 1, farther include the shell for encapsulation, it is characterised in that the opening having the opening exposing smart card contact pad and exposure fingerprint sensor of this shell.
The certification implementation method of 17. 1 kinds of encrypting fingerprint EID fiscards, it is characterised in that comprise the steps of
Adding fingerprint sensor, encryption chip, power circuit, controller in fiscard, power circuit is for powering to each parts in fiscard inside, and controller couples encryption chip, power circuit, fiscard chip；
Described fingerprint sensor couples encryption chip, for sensing initial fingerprint and at least one subsequent fingerprint of user, the initial fingerprint of described user and the encrypted chip process of at least one subsequent fingerprint form initial fingerprint characteristic information and at least one subsequent fingerprint characteristic information, described user's initial fingerprint characteristic information burning is among described encryption chip, described initial fingerprint characteristic information completes inside encryption chip with the comparison of at least one subsequent fingerprint characteristic information, and the encrypted chip encryption of comparative result sends to described controller；
The confidential information that adds that described controller is sent according to encryption chip controls the activation of fiscard chip；
After described smart card activation, EID information in the fiscard chip being stored in fiscard is by carry out information mutual with EID unified certification service system, carry out subscriber authentication, only could normally use the application of this EID fiscard after user has passed through fingerprint authentication and EID authentication certification.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510780528 | 2015-11-16 | ||
| CN201510780528X | 2015-11-16 |
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| CN105913110A true CN105913110A (en) | 2016-08-31 |
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| CN201610024347.9A Pending CN105913110A (en) | 2015-11-16 | 2016-01-15 | Fingerprint encryption EID financial card and realization method |
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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 |
-
2016
- 2016-01-15 CN CN201610024347.9A patent/CN105913110A/en active Pending
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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