CN107748881A - A kind of finger venous device based on crypto module - Google Patents

A kind of finger venous device based on crypto module Download PDF

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Publication number
CN107748881A
CN107748881A CN201711152309.2A CN201711152309A CN107748881A CN 107748881 A CN107748881 A CN 107748881A CN 201711152309 A CN201711152309 A CN 201711152309A CN 107748881 A CN107748881 A CN 107748881A
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CN
China
Prior art keywords
module
electric capacity
resistance
chip
cryptographic algorithm
Prior art date
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.)
Withdrawn
Application number
CN201711152309.2A
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Chinese (zh)
Inventor
吕前进
王辉
胡双喜
吴超
李良
李一良
张文浩
陈本阳
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Tianjin Opto Electronic Information Technology Ltd By Share Ltd
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Tianjin Opto Electronic Information Technology Ltd By Share Ltd
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Priority to CN201711152309.2A priority Critical patent/CN107748881A/en
Publication of CN107748881A publication Critical patent/CN107748881A/en
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • 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
    • G06F21/45—Structures or tools for the administration of authentication
    • G06F21/46—Structures or tools for the administration of authentication by designing passwords or checking the strength of passwords
    • 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
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/14—Vascular patterns

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

The invention discloses a kind of finger venous device based on crypto module, the finger venous device includes：Security control chip is connected by USB interface, Serial Peripheral Interface (SPI) or IC bus connection communication interface module, security control chip by USB interface with crypto module；Security control chip connects data memory module by Serial Peripheral Interface (SPI), and security control chip connects network communication module by Serial Peripheral Interface (SPI) or IC bus；Security control chip connects LCD MODULE by Serial Peripheral Interface (SPI), and security control chip connects key circuit module by input/output communication interface, and security control chip is connected with power circuit block.The crypto module, which can be built in, to be referred to inside venous device, or is designed to independent module, is connected with referring to venous device by standard USB interface.The present invention compensate for the deficiency in existing equipment security, improve the security of single unit system.

Description

A kind of finger venous device based on crypto module
Technical field
The present invention relates to refer to vein field, more particularly to a kind of finger venous device based on crypto module.
Background technology
Refer to vein identification technology and carry out authentication using the texture of finger vena blood vessel, it is harmless, have and be not easy The features such as being stolen, forging.The identification technology can be widely applied to the door in the fields such as bank finance, Guoan of government, education social security The identity identification systems such as access control system, it is more safer than the surface characteristics identification technology such as fingerprint recognition, iris recognition, efficient skill Art.
But in most application, the finger intravenous data collected is all to be transmitted with clear-text way in grid With storage, if the security of system network environment entirety is not high, saboteur, which may otherwise get around, refers to vein knowledge Not, so that the identity identification system based on the technology does not reach the security that possess.
Therefore, it is necessary to a kind of finger venous device for possessing crypto module is provided, to refer to the transmission and storage of intravenous data Encipherment protection is provided, further improves the security performance for referring to venous device.
The content of the invention
The invention provides a kind of finger venous device based on crypto module, the present invention compensate in existing equipment security Deficiency, improve the security of single unit system, it is described below：
A kind of finger venous device based on crypto module, the finger venous device include：
Security control chip passes through USB interface, Serial Peripheral Interface (SPI) or IC bus connection communication interface circuit mould Block, security control chip are connected by USB interface with crypto module；
Security control chip connects data memory module by Serial Peripheral Interface (SPI), and security control chip passes through serial peripheral Interface or IC bus connection network communication module；
Security control chip connects LCD MODULE by Serial Peripheral Interface (SPI), and security control chip passes through input and output Communication interface connects key circuit module, and security control chip is connected with power circuit block.
The crypto module, which can be built in, to be referred to inside venous device, or is designed to independent module, is led to referring to venous device Cross standard USB interface connection.
Wherein, the network communication module includes：Wired network communication module, wireless wifi network communication module and have Line/wireless network control module.
Further, the crypto module includes：Usb communication circuit module and cryptographic algorithm chip
Security control chip by usb communication module and cryptographic algorithm chip communication, cryptographic algorithm chip be used to producing with Secret key, digital certificate, it is additionally operable to by calling commercial cipher algorithm to realize authentication and encryption and decryption.
Further, the crypto module includes：Cryptographic algorithm chip, usb communication circuit module, wherein：Cryptographic algorithm The model LQFP44 of chip；
The RXD pins of cryptographic algorithm chip pass sequentially through light emitting diode D1, resistance R3 connects 3.3V operating voltages；Password is calculated The USBDM pins of method chip connect electric capacity C12 one end, resistance R5 one end, electric capacity C12 other end ground connection respectively；Resistance R5 another termination usb communication circuit module；
The USBDP pins of cryptographic algorithm chip connect electric capacity C13 one end, resistance R6 one end, the one of resistance R4 respectively End；Electric capacity C13 other end ground connection；Resistance R6 another termination 3.3V operating voltages；Resistance R4 another termination usb communication electricity Road module；
The USBR pins connection resistance R1 of cryptographic algorithm chip one end, USBC pins connection electric capacity C1 one end, resistance The R1 other end, electric capacity C1 another termination usb communication circuit module and it is grounded simultaneously；
The power pins VDD of cryptographic algorithm chip connects 3.3V operating voltages, grounding pin GND is grounded；
The XTAL pins of cryptographic algorithm chip connect resistance R2 one end, crystal oscillator JZ1 one end, the one of electric capacity C2 respectively End, electric capacity C2 other end connection electric capacity C3 one end and ground connection；The electric capacity C3 other end, the crystal oscillator JZ1 other end, resistance The R2 other end is all connected with the EXTAL pins of cryptographic algorithm chip；
Download program code use when the EINT pin of cryptographic algorithm chip is used to debug.
Wherein, the power circuit block includes：Resistance,
One end connection 5V power supplys of the resistance, the other end of the resistance negative electrode with diode, the 3rd electric capacity respectively One end, one end of the 4th electric capacity and the input of transformation chip be connected；The transformation chip output is electric with second respectively Positive terminal, one end of the 5th electric capacity and one end of the 6th electric capacity of solution electric capacity are connected；
The anode of the diode, the other end of the 3rd electric capacity, the other end, the transformation core of the 4th electric capacity The earth terminal of piece, the negative pole end of second electrochemical capacitor, the 5th electric capacity other end and the 6th electric capacity other end It is grounded；The transformation chip exports 3.3V voltages.
The beneficial effect of technical scheme provided by the invention is：
1st, this refers to design of the venous device by built-in or external crypto module, and the finger intravenous data collected is entered Row encryption, then by network transmission and preserve；
2nd, because what is transmitted and preserve is all information after encryption, the peace using the system for referring to venous device has been ensured Quan Xing.
Brief description of the drawings
Fig. 1 is a kind of structure chart of the finger venous device based on crypto module；
Fig. 2 is the circuit theory diagrams of crypto module；
Fig. 3 is the circuit theory diagrams of power circuit block.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, embodiment of the present invention is made below further It is described in detail on ground.
Embodiment 1
A kind of finger venous device based on crypto module, referring to Fig. 1, this, which refers to venous device, includes：Security control chip 1, Crypto module 2, communication interface circuit module 3, network communication module 4, data memory module 5, LCD MODULE 6, button electricity Road module 7 and power circuit block 8.
Security control chip 1 passes through USB interface, Serial Peripheral Interface (SPI) or IC bus connection communication interface circuit mould Block 3, security control chip 1 are connected by USB interface with crypto module 2, and security control chip 1 is connected by Serial Peripheral Interface (SPI) Data memory module 5, security control chip 1 connect network communication module 4, peace by Serial Peripheral Interface (SPI) or IC bus Full control chip 1 connects LCD MODULE 6 by Serial Peripheral Interface (SPI), and security control chip 1 is connect by input/output communication Mouth connection key circuit module 7, security control chip 1 is connected with power circuit block 8.
Wherein, network communication module 4 includes：Wired network communication module, wireless wifi network communication module and wired/ Wireless network control module.
Wherein, crypto module 2 includes：Usb communication circuit module and cryptographic algorithm chip.Crypto module 2 can be built in finger Inside venous device；It may be designed as independent module, be connected with referring to venous device by standard USB interface simultaneously.
Security control chip 1 passes through usb communication module and cryptographic algorithm chip communication.Cryptographic algorithm chip be used for produce with Secret key, digital certificate, it is additionally operable to by calling commercial cipher algorithm to realize authentication and encryption and decryption.
In summary, the embodiment of the present invention compensate for existing equipment by adding crypto module in venous device is referred to Deficiency in security, improve the security of single unit system.
Embodiment 2
In order to be further ensured that the working effect of the finger venous device based on crypto module, the work for referring to venous device is improved Stability, the circuit of crypto module of the embodiment of the present invention also to referring to venous device is improved, as detailed below referring to Fig. 2 Description：
Crypto module includes：Cryptographic algorithm chip U1, usb communication circuit module U3, wherein：Cryptographic algorithm chip U1 type Number it is LQFP44.
Cryptographic algorithm chip U1 RXD pins pass sequentially through light emitting diode D1, resistance R3 connects 3.3V operating voltages；Password Algorithm chip U1 USBDM pins connect electric capacity C12 one end, resistance R5 one end, electric capacity C12 other end ground connection respectively； Resistance R5 another termination usb communication circuit module U3；
Cryptographic algorithm chip U1 USBDP pins connect electric capacity C13 one end, resistance R6 one end, resistance R4 respectively One end；Electric capacity C13 other end ground connection；Resistance R6 another termination 3.3V operating voltages；Resistance R4 another termination usb communication Circuit module U3；
Cryptographic algorithm chip U1 USBR pins connection resistance R1 one end, USBC pins connection electric capacity C1 one end, electricity Hinder the R1 other end, electric capacity C1 another termination usb communication circuit module U3 and be grounded simultaneously；
Cryptographic algorithm chip U1 power pins VDD connects 3.3V operating voltages, grounding pin GND is grounded；
Cryptographic algorithm chip U1 XTAL pins connect resistance R2 one end, crystal oscillator JZ1 one end, the one of electric capacity C2 respectively End, electric capacity C2 other end connection electric capacity C3 one end and ground connection；The electric capacity C3 other end, the crystal oscillator JZ1 other end, resistance The R2 other end is all connected with cryptographic algorithm chip U1 EXTAL pins；
Download program code use when cryptographic algorithm chip U1 EINT pin is used to debug.
In summary, the embodiment of the present invention is improved by the circuit of the crypto module to referring to venous device, is improved Entirely refer to the electrical stability of venous device, and then improve the security of single unit system.
Embodiment 3
In order to be further ensured that the working effect of the finger venous device based on crypto module, the work for referring to venous device is improved Stability, the embodiment of the present invention are also improved the power supply circuit for referring to venous device.As shown in figure 3, the power circuit mould Block includes：
Resistance R4, diode D1, the 3rd electric capacity C7, the 4th electric capacity C8, transformation chip U2, the second electrochemical capacitor C9, the 5th Electric capacity C10, the 6th electric capacity C11.Resistance R4 one end connection 5V power supplys, the resistance R4 other end the moon with diode D1 respectively Pole, the 3rd electric capacity C7 one end, the 4th electric capacity C8 one end and transformation chip U2 input are connected；Transformation chip U2 is exported The positive terminal with the second electrochemical capacitor C9, the 5th electric capacity C10 one end and the 6th electric capacity C11 one end are connected respectively at end；
Diode D1 anode, the 3rd electric capacity C7 other end, the 4th electric capacity C8 other end, transformation chip U2 ground connection End, the second electrochemical capacitor C9 negative pole end, the 5th electric capacity C10 other ends and the 6th electric capacity C11 other ends are grounded；Transformation core Piece U2 exports 3.3V voltages.
In summary, the embodiment of the present invention improves whole finger by improving the power supply circuit for referring to venous device The electrical stability of venous device, and then improve the security of single unit system.
To the model of each device in addition to specified otherwise is done, the model of other devices is not limited the embodiment of the present invention, As long as the device of above-mentioned function can be completed.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the embodiments of the present invention Sequence number is for illustration only, does not represent the quality of embodiment.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.

Claims (5)

1. a kind of finger venous device based on crypto module, it is characterised in that the finger venous device includes：
Security control chip passes through USB interface, Serial Peripheral Interface (SPI) or IC bus connection communication interface module, peace Full control chip is connected by USB interface with crypto module；
Security control chip connects data memory module by Serial Peripheral Interface (SPI), and security control chip passes through Serial Peripheral Interface (SPI) Or IC bus connection network communication module；
Security control chip connects LCD MODULE by Serial Peripheral Interface (SPI), and security control chip passes through input/output communication Interface connects key circuit module, and security control chip is connected with power circuit block.
The crypto module, which can be built in, to be referred to inside venous device, or is designed to independent module, passes through mark with referring to venous device Quasi- USB interface connection.
A kind of 2. finger venous device based on crypto module according to claim 1, it is characterised in that the network service Module includes：Wired network communication module, wireless wifi network communication module and wire/radio network control module.
A kind of 3. finger venous device based on crypto module according to claim 1, it is characterised in that the crypto module Including：Usb communication circuit module and cryptographic algorithm chip
Security control chip is used to produce with secret by usb communication module and cryptographic algorithm chip communication, cryptographic algorithm chip Key, digital certificate, it is additionally operable to by calling commercial cipher algorithm to realize authentication and encryption and decryption.
4. a kind of finger venous device based on crypto module according to any claim in claims 1 to 3, its feature It is, the crypto module includes：Cryptographic algorithm chip, usb communication circuit module, wherein：The model of cryptographic algorithm chip LQFP44；
The RXD pins of cryptographic algorithm chip pass sequentially through light emitting diode D1, resistance R3 connects 3.3V operating voltages；Cryptographic algorithm core The USBDM pins of piece connect electric capacity C12 one end, resistance R5 one end, electric capacity C12 other end ground connection respectively；Resistance R5's Another termination usb communication circuit module；
The USBDP pins of cryptographic algorithm chip connect electric capacity C13 one end, resistance R6 one end, resistance R4 one end respectively；Electricity Hold C13 other end ground connection；Resistance R6 another termination 3.3V operating voltages；Resistance R4 another termination usb communication circuit mould Block；
The USBR pins connection resistance R1 of cryptographic algorithm chip one end, USBC pins connection electric capacity C1 one end, resistance R1's The other end, electric capacity C1 another termination usb communication circuit module and be grounded simultaneously；
The power pins VDD of cryptographic algorithm chip connects 3.3V operating voltages, grounding pin GND is grounded；
The XTAL pins of cryptographic algorithm chip connect resistance R2 one end, crystal oscillator JZ1 one end, electric capacity C2 one end respectively, electricity Hold C2 other end connection electric capacity C3 one end and be grounded；The electric capacity C3 other end, the crystal oscillator JZ1 other end, resistance R2 it is another One end is all connected with the EXTAL pins of cryptographic algorithm chip；
Download program code use when the EINT pin of cryptographic algorithm chip is used to debug.
5. a kind of finger venous device based on crypto module according to any claim in claims 1 to 3, its feature It is, the power circuit block includes：Resistance,
One end connection 5V power supplys of the resistance, the other end of the resistance negative electrode with diode, the one of the 3rd electric capacity respectively The input at end, one end of the 4th electric capacity and transformation chip is connected；The transformation chip output is electric with the second electrolysis respectively One end of the positive terminal of appearance, one end of the 5th electric capacity and the 6th electric capacity is connected；
The anode of the diode, the other end of the 3rd electric capacity, the other end of the 4th electric capacity, the transformation chip Earth terminal, the negative pole end of second electrochemical capacitor, the 5th electric capacity other end and the 6th electric capacity other end connect Ground；The transformation chip exports 3.3V voltages.
CN201711152309.2A 2017-11-19 2017-11-19 A kind of finger venous device based on crypto module Withdrawn CN107748881A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711152309.2A CN107748881A (en) 2017-11-19 2017-11-19 A kind of finger venous device based on crypto module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711152309.2A CN107748881A (en) 2017-11-19 2017-11-19 A kind of finger venous device based on crypto module

Publications (1)

Publication Number Publication Date
CN107748881A true CN107748881A (en) 2018-03-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711152309.2A Withdrawn CN107748881A (en) 2017-11-19 2017-11-19 A kind of finger venous device based on crypto module

Country Status (1)

Country Link
CN (1) CN107748881A (en)

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Application publication date: 20180302