CN108647961A - Digital cash wallet based on electrocardiosignal authentication - Google Patents
Digital cash wallet based on electrocardiosignal authentication Download PDFInfo
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- CN108647961A CN108647961A CN201810383642.2A CN201810383642A CN108647961A CN 108647961 A CN108647961 A CN 108647961A CN 201810383642 A CN201810383642 A CN 201810383642A CN 108647961 A CN108647961 A CN 108647961A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/401—Transaction verification
- G06Q20/4014—Identity check for transactions
- G06Q20/40145—Biometric identity checks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0861—Network architectures or network communication protocols for network security for authentication of entities using biometrical features, e.g. fingerprint, retina-scan
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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Abstract
The invention discloses a kind of digital cash wallets based on electrocardiosignal authentication,Hardware and electrocardio lock wallet APP are locked including electrocardio,When user opens electrocardio lock wallet APP progress digital cash transaction,Automatically wake up electrocardio lock hardware,Electrocardio locks hardware continuous collecting user's electrocardiosignal,Electrocardio lock wallet APP is transferred to after pretreatment,Electrocardio lock wallet APP carries out feature extraction after having been inspected to electrocardiosignal to it,And carry out electrocardio identification using this feature,It is verified if the unique subscriber electrocardio ID stored when first used with electrocardio lock wallet APP is matched,User is able to continue moneytary operations operation,Electrocardio locks wallet APP and the heart real time signal for the electrocardio lock hardware acquisition periodically persistently worn to user during moneytary operations operates is carried out electrocardio authentication,Electrocardio identity is tested certification and is not passed through in any period,The operation of digital cash wallet is prohibited.The system is by electrocardiosignal authentication, the significant increase safety of user terminal digital cash transaction.
Description
Technical field
The present invention relates to digital cash wallet fields, and in particular to a kind of digital cash based on electrocardiosignal authentication
Wallet.
Background technology
Digital cash wallet currently based on block chain technology can be classified as：Webpage wallet, multi-signature wallet, desktop money
Packet and mobile terminal wallet.The address (public key) of user account and private key are generated by oval algorithm, and are stored in digital cash wallet
In file, private key carries out encryption and decryption operation by digital cash wallet client end software.Due in the going of entire digital coin systems
The heart and anonymity, for digital cash wallet once losing, the digital cash that all addresses preserve in digital cash wallet just has can
It can be stolen, and once be stolen, cannot be retrieved.Therefore, the safety of digital cash wallet is extremely critical.
Although existing its encryption mechanism of digital wallet APP can ensure user when realizing machine in one's hands and losing and
Shi Chongxin imports wallet and resets payment cipher and lost to avoid digital properties, but the mechanism can not be avoided by the people of users to trust
Digital properties this risks is stolen, can not also avoid that mobile phone is stolen under the non-waking state of user and user cannot reset branch in time
Pay the risk of password.
The present invention be then intended to uniqueness by using electrocardio identity and sustainable verification characteristic evade including but it is unlimited
In all item of digital property risks recited above, enhancing user terminal carries out the safety of digital cash transaction.
Invention content
The purpose of the present invention is the deficiencies for existing digital cash wallet, provide one kind and are recognized based on electrocardiosignal identity
The digital cash wallet of card, the digital cash wallet innovatively by software and hardware combining, wallet software support mobile device across
Platform (Android, IOS etc.) uses, and electrocardio identification is added as lasting, real-time cryptographic means, realization is persistently tested
Card, the safe effect constantly verified, ensure that, in mobile terminal wallet, only currency holder could be traded account behaviour
Make.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of digital cash wallet based on electrocardiosignal authentication, including electrocardio lock hardware and electrocardio lock wallet APP
Two large divisions, the electrocardio lock hardware includes electrocardiogram acquisition module and bluetooth communication, and it includes electrocardio body that electrocardio, which locks wallet APP,
Part authentication module and digital moneytary operations module automatically wake up when user opens electrocardio lock wallet APP progress digital cash transaction
The electrocardio of dormant state locks hardware, and the electrocardiogram acquisition module in electrocardio lock hardware starts continuous collecting user's electrocardiosignal, to the heart
Electric signal sampled data is pre-processed, and is transferred to electrocardio by bluetooth communication and is locked wallet APP, and electrocardio locks wallet APP
In electrocardio authentication module to electrocardiosignal source Distance test, electrocardiosignal integrity check, electrocardiosignal real-time
After having inspected to pretreated electrocardiosignal sampled data carry out feature extraction, and using cardiac cycle morphological feature and
Frequency domain character carries out electrocardio identification, if being matched with the electrocardio lock wallet APP unique subscriber electrocardio ID stored when first used
It is then verified, is able to through the continuation moneytary operations operation of digital cash transaction modules by rear user in electrocardio authentication,
Electrocardio locks wallet APP by the real-time of the electrocardio lock hardware acquisition periodically persistently worn to user during moneytary operations operates
Electrocardiosignal carries out electrocardio authentication, and electrocardio identity is tested certification and do not passed through in any period, and the operation of digital cash wallet is quilt
Forbid.
Further, the electrocardio lock hardware is that electrocardio locks bracelet, and wherein electrocardiogram acquisition module uses the photoelectricity continous way heart
Electric transducer carries out the acquisition of original electro-cardiologic signals, and electrocardio letter is carried out to original electro-cardiologic signals using BMD101 bio-sensing chips
Number pretreatment, carries out task scheduling and electrocardiosignal using CC2640R2F wireless microcontrollers and transmits, bluetooth communication uses
5.0 technology of Bluetooth Low Energy, electrocardio lock hardware and use small size voltage stabilizing chip, it is ensured that electrocardio is not influenced when cell voltage is relatively low
Lock bracelet normal work.
Further, it is described to electrocardiosignal sampled data carry out pretreatment specifically include：Utilize median filter method pair
Electrocardiosignal sampled data is handled to remove baseline drift, then is utilized to the electrocardiosignal sampled data after medium filtering small
Wave conversion method removes Hz noise；Each point in a neighborhood of the value of some point i.e. in electrocardiosignal sample data sequence
The Mesophyticum of value replaces, and to achieve the purpose that remove baseline drift, is carried out to the electrocardiosignal sampled data after medium filtering small
Wave conversion so that the main energetic of the Hz noise of 50Hz/60Hz and useful electrocardiosignal is fallen on different scale, to reach
Remove the purpose of Hz noise.
Described the step of carrying out feature extraction to pretreated electrocardiosignal sampled data, specifically includes：Become using small echo
The method of changing detects the R crest values position that each heart is clapped in pretreated electrocardiosignal sampled data, to electrocardiosignal hits
Segmentation is clapped according to the heart is carried out according to R crest values position, and detects Q waves initial position and S wave final positions that the heart is clapped, Jin Erti
QRS wave duration that temporal signatures needed for taking out, the i.e. heart are clapped, R-R interval (the R crest values point and one upper that the heart is clapped
The heart clap R crest value points between time interval) and averaged R-R intervals (heart clap before 10 hearts clap average R-R between
Every)；The unitized processing of data value that each heart is clapped simultaneously is 300 data values, to represent the morphological feature that each heart is clapped.
Further, pretreated electrocardiosignal sampled data is being transferred to by electrocardio lock money by bluetooth communication
During wrapping APP, further to examine whether electrocardiosignal is changed in transmission process, detailed process is：Believe in electrocardio
Its cyclic redundancy check code CRC is calculated before number being sent out from bluetooth communication, and is attached to behind ecg signal data packet, electrocardio lock
Wallet APP by certain rule parsing and generates CRC after receiving ecg signal data packet, with the cyclic redundancy check received
Code CRC is matched, if unanimously, illustrating that electrocardiosignal is completely not tampered with or mistake occurs in transmission process, if differing
It causes, then illustrates that electrocardiosignal is tampered or mistake occurs in transmission process, do not execute electrocardio authentication program.
Further, electrocardiosignal source Distance test receives the bluetooth power dBm that electrocardio locks hardware by detection
Value judges, takes care to exceed 0.5m at a distance from electric lock hardware and electrocardio lock wallet APP that (human wrist is from mobile phone when normal use mobile phone
No more than 0.1m, it is contemplated that hand hovering action that may be present sets the threshold to 0.5m) when, there are non-operations in person
Risk, electrocardio lock wallet APP rejection electrocardiosignals, just do not execute electrocardio authentication program yet at this time；The electrocardio letter
The detailed process of number real-time test is：Electrocardio lock hardware, which is waken up, in the lock wallet of electrocardio each time APP carries out adopting for electrocardiosignal
When collection is with sending, part records a timestamp as to this by electrocardio lock hardware and electrocardio lock wallet APP, when user's n-th enables
When electrocardio lock wallet APP is operated, the electrocardiosignal for electrocardio lock the acquired transmission of hardware that only n-th is waken up is effective
(since it is considered that data transmission has delay, only electrocardio lock hardware end and mobile phone terminal timestamp are extremely close in this case,
So that being regarded as simultaneously), larger or not timestamp electrocardiosignal is differed for timestamp, electrocardio locks wallet APP not
Execute electrocardio authentication program；To electrocardiosignal source Distance test, electrocardiosignal integrity check, electrocardiosignal real-time
After having inspected, abnormal period verification further executed to electrocardiosignal, judge that electrocardiosignal whether there is breakthrough or exception,
Until a normal complete signal period occurs, and the electrocardiosignal in this period is used for electrocardio authentication.
Further, the detailed process that electrocardio identification is carried out using cardiac cycle morphological feature and frequency domain character
For：For single cardiac cycle, similarity is measured using normalization Euclidean distance, is analyzed using linear discriminent
(LDA) and arest neighbors rule (KNN) sorting algorithm, to every 2s time intervals (think mobile phone holder can not within 2 second time it is complete
Operated at the input of trading object wallet address and electrocardio wallet payment cipher) in single cardiac cycle feature used with pre-stored
Family identity electrocardio ID features carry out matching verification, when the similarity that two kinds of algorithms obtain reaches given threshold, it is believed that authentication
Pass through.
Further, the writing for electrocardio lock wallet APP realizes that Flutter releases for Google based on Flutter frames
The cross-platform APP in mobile terminal program solution, the electrocardio lock wallet APP calculation process speed write with it is fast, is suitble to application
It works in the calculation processing of heart real time authentication, includes digital cash transaction modules, electrocardio authentication on function piecemeal
Module and information community module, the digital cash transaction modules include that digital cash remaining sum checks unit and moneytary operations list
Member；Electrocardio authentication module includes electrocardiosignal source apart from verification unit, electrocardiosignal completeness check unit, electrocardiosignal
Real-time verification unit, electrocardiosignal feature extraction unit and electrocardiosignal identity authenticating unit；Information community module includes
Popular digital cash information recommendation unit and exchange between communities unit；Wherein electrocardio authentication module does not have networking permission, uses
Family electrocardio ID is locally stored, and there is digital cash transaction modules networking permission to check and merchandise to carry out idle money balance, support
BTC, ETH, EOS are multi-platform, and information community module has networking permission and calls third party API to realize corresponding function.
Further, for the electrocardio lock wallet APP using publication of increasing income, user can select source code self-checking compiling peace
Dress can also select to download executable file installation.
Further, the digital cash wallet locks wallet APP end passwords and user's electrocardio ID double-encryptions using electrocardio,
Electrocardio lock the digital cash wallet private key of wallet APP end passwords and user, mnemonic word, Keystore relationship be：The number of user
Word currency wallet private key, mnemonic word, Keystore have uniqueness, are voluntarily taken care of by user, user transaction when without using
Private key, mnemonic word and Keystore only need the ends input electrocardio lock wallet APP password i.e. under the premise of electrocardio authentication passes through
It can be traded；When user's electrocardio lock hardware loss occurs, electrocardio lock wallet APP is unloaded situation, the number of user oneself
Currency wallet private key, mnemonic word, keystore will be used for importing digital currency wallet, and reset payment cipher.
Further, user's electrocardio ID of the electrocardio lock hardware acquisition is used not only for electrocardio authentication, moreover it is possible to
In terms of being enough in health supervision.
Compared with prior art, the present invention having the following advantages that and advantageous effect：
1, digital cash wallet of the invention supports BTC, ETH, EOS multi-platform, simplifies across the chain friendship of user to greatest extent
Easy complexity.
2, the present invention adds a series of verification on the basis of general digital cash wallet based on user's electrocardiosignal
Module, including electrocardiosignal source apart from school inspection, the verification of electrocardiosignal completeness check, electrocardiosignal real-time while using LNA
Electrocardio authentication is carried out with two methods of KNN so that has electrocardio lock bracelet, user, electrocardio lock wallet APP, user only
When digital wallet password etc. is provided simultaneously with or meets condition, wallet operation can be just carried out, and general digital cash wallet APP
As long as input wallet password can be carried out trade confirmation, in contrast, safety higher of the present invention has very high antitheft peace
Total index number.
3, invention software is increased income, and user voluntarily downloads source code and compiles installation wallet APP, user's electrocardio ID settings and body
Without using network (authentication module do not network permission) when part verification, user's electrocardiogram (ECG) data unofficial biography will not be enhanced user
The privacy of identity.
4, wallet software proposed by the invention provides the services such as digital cash information, community, facilitates user to understand newest
Market avoid the multiple softwares of user installation excessive to hold facility and use cumbersome trouble.
5, electrocardio lock digital cash wallet proposed by the invention is easy to use, electrocardio cryptographic authentication process backstage into
Row, user are no different with general digital cash wallet using operation, reduce study and the use cost of user, have ease for use.
6, the present invention is also equipped with health monitor function, analyzing and diagnosing is carried out to the electrocardiogram (ECG) data of user, in evil case
The user of (cardiovascular patient) or even all users have the extra health monitoring meaning except digital wallet encryption.
Description of the drawings
Fig. 1 locks digital cash wallet software and hardware overall architecture schematic diagram by the electrocardio that the embodiment of the present invention provides.
The electrocardio lock hardware bracelet end program circuit schematic diagram that Fig. 2 is provided by the embodiment of the present invention.
The electrocardio authentication processing flow schematic diagram that Fig. 3 is provided by the embodiment of the present invention.
The single ecg wave form schematic diagram of typical case that Fig. 4 is provided by the embodiment of the present invention.
Specific implementation mode
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Embodiment：
Present embodiments provide a kind of encryption digital cash wallet using electrocardio authentication based on EOS platforms.Its
Major design content includes electrocardio lock hardware (referring to electrocardio lock bracelet) and electrocardio lock wallet APP two large divisions.Electrocardio locks bracelet portion
Divide includes mainly electrocardiogram acquisition module and bluetooth communication；It includes electrocardio authentication module, number that electrocardio, which locks wallet APP mainly,
Word moneytary operations module and information community module.
One, the hardware circuit design of electrocardio lock hardware bracelet is realized；
As shown in Figure 1, electrocardio bracelet internal hardware design carries out original electrocardiographicdigital number using photoelectricity continous way EGC sensor
According to acquisition；ECG signal processing is carried out to original electro-cardiologic signals using BMD101 electrocardio sensings chip；Using CC2640R2F
Wireless microcontroller carries out task scheduling and is transmitted with electrocardiosignal；Apply transmission rate faster, transmission range is farther, power consumption more
Low 5.0 technology of Bluetooth Low Energy (BLE 5.0)；Using small size voltage stabilizing chip, it is ensured that do not influenced when cell voltage is relatively low
Bracelet works normally.Wherein, HPF represents high-pass filter, and LNA represents low-noise amplifier, and ADC represents analog-digital converter, RCO
RC oscillator is represented, GCL represents gain control logic.
Two, electrocardio locks hardware bracelet bracelet end programming；
As shown in Fig. 2, carrying out the initialization of hardware and the initialization of UART Universal Asynchronous Receiver Transmitter UART first.It is then right
RTOS operating systems are initialized, and RTOS is the embedded system for carrying out task rational management arrangement.And then it creates
Bluetooth Low Energy protocol stack and electrocardiogram acquisition two main tasks.Bluetooth protocol repertory task is the task that each bluetooth equipment must have,
To be communicated with other bluetooth equipments.Electrocardiogram acquisition task includes then that the hardware initialization of EGC sensor configures therewith
Ecg signal acquiring, pretreatment afterwards etc..Program enables to enter RTOS major cycles, polling Bluetooth event after Bluetooth broadcast.When
After receiving the Bluetooth connection request that mobile phone is sent out, bracelet establishes LL, HCI, L2CAP, GAP, GATT in bluetooth protocol repertory successively
Equal layers connection, creates GATT layers of attribute list, and start poll whether to have new bluetooth event or have cardiac electrical event, when inquiring
After cardiac electrical event, program configures BMD101 chips, and starts ecg signal acquiring, then carries out electrocardio and locates in advance
Reason, obtains the numeral output of electrocardiosignal.Program updates GATT attribute lists again later, enables data-pushing, electrocardiogram (ECG) data is passed
Transport to GATT layers of mobile phone terminal bluetooth.
Three, bracelet carries out pretreated specific steps to electrocardiosignal sampled data；
Pretreatment specifically includes：Electrocardiosignal sampled data is handled using median filter method to remove baseline drift
It moves, then Hz noise is removed using small wave converting method to the electrocardiosignal sampled data after medium filtering.I.e. electrocardiosignal is adopted
The Mesophyticum of each point value replaces in one neighborhood of the value of any in the sample data sequence point, to reach removal baseline drift
Purpose carries out wavelet transformation so that the Hz noise of 50Hz/60Hz and useful to the electrocardiosignal sampled data after medium filtering
The main energetic of electrocardiosignal is fallen on different scale, to reach the purpose of removal Hz noise.
Four, the digital cash wallet electrocardio authentication of electrocardio lock operates detailed process；
As shown in figure 3, user downloads, compiles, installing wallet client end (i.e. APP) and coordinate bracelet in use, the heart for the first time
Electric authentication module acquires a certain amount of user's electrocardiosignal, is stored after processing and is used as the unique electrocardio ID of user, can not changed.It
When user uses wallet client end afterwards, the functions such as market information, community work as user and attempt to initiate currency without special security restriction
When transaction or digital wallet transaction modules using when client can first send BlueTooth request wake up be chronically at dormant state protect
The electrocardio lock bracelet persistently to navigate, bracelet continuous collecting electrocardiogram (ECG) data are sent to wallet client end after pretreatment.Wallet client end exists
Decide whether to take to carry out authentication after making four verifications to the electrocardiogram (ECG) data：The distance verification of electrocardiosignal source, electrocardio letter
Number completeness check, the verification of electrocardiosignal real-time, electrocardiosignal verify extremely.This four verifications ensure exactly electrocardio letter respectively
Number source (owner) holds that mobile phone is traded operation, ecg signal data is not distorted by people in transmission process, the acquired heart
The timestamp of electric data and client initiate that the timestamp of acquisition instructions is consistent (to be avoided stealing user's electrocardiogram (ECG) data by people to open
Client transaction modules) and rejecting abnormalities electrocardiosignal.At four, verification takes first by rear electrocardio authentication module
First cardiac cycle in a 2s carries out feature extraction, and is matched with pre-stored user's electrocardio ID, and similarity is up to centainly
It more than threshold value is verified, user enters transaction interface.Input and confirmation operation of the user in process of exchange later needs one
It fixes time, and within this time limit, electrocardio authentication module can persistently carry out authentication procedures on backstage by the period of 2s.In
If way certification does not pass through, client thinks that operator is non-in person, forbids holder in the every operation of transaction interface.
Five, client carries out the detailed process of electrocardiosignal source distance verification；
Electrocardio locks wallet APP and executes detection bracelet before receiving the electrocardiosignal that bracelet sends over apart from program (electrocardio
The verification of signal source distance), the approximate distance of bracelet and mobile phone is judged by detecting the bluetooth power dBm values received, it is believed that hand
From mobile phone, beyond 0.5m, (human wrist is no more than 0.1m to ring from mobile phone when normal use mobile phone, it is contemplated that hand that may be present is outstanding
Stop acting, set the threshold to 0.5m) when people and mobile phone mutually from, there are the risk of my non-operation, electrocardio lock wallet APP at this time
Refusal takes electrocardiosignal, does not also just execute electrocardio authentication program.
Six, client carries out the detailed process of electrocardiosignal completeness check；
Its cyclic redundancy check code (CRC) is calculated before electrocardiosignal is sent out from electrocardio lock bracelet, and is attached to electrocardiogram (ECG) data
Below, electrocardio lock wallet APP by certain rule parsing and generates CRC to packet after receiving ECG data packet, with the CRC received
Check code is matched, if unanimously, illustrating that electrocardiogram (ECG) data is completely not tampered with.
Seven, client carries out the detailed process of electrocardiosignal real-time verification；
When waking up electrocardio lock bracelet progress electrocardio-data collection with sending to the lock wallet of electrocardio each time APP, electrocardio locks hand
Part records a timestamp as to this by ring and wallet APP, when user's n-th, which enables electrocardio lock wallet APP, to be operated, only
There is the electrocardio that n-th is waken up to lock the electrocardiogram (ECG) data of the acquired transmission of bracelet effectively (because prolonging in view of data transmission has
When, only bracelet end and mobile phone terminal timestamp are extremely close in this case, so that being regarded as simultaneously).For timestamp
Larger or not timestamp electrocardiogram (ECG) data is differed, wallet will be verified not.
Eight, client obtains the detailed process of normal complete electrocardiosignal：
Pass through the distance verification of electrocardiosignal source, complete error-free verification and real-time in the electrocardiosignal received and verifies it
Afterwards, abnormal period verification is executed to electrocardiosignal, judges that electrocardiosignal is abnormal etc. with the presence or absence of breakthrough or data value, until one just
The normal complete signal period occurs, and (typical single ecg wave form schematic diagram is as shown in Figure 4) simultaneously recognizes this period to electrocardio identity
Card.
Nine, client carries out pretreated electrocardiosignal sampled data the specific steps of feature extraction；
The step of carrying out feature extraction to pretreated electrocardiosignal sampled data specifically includes：Utilize wavelet transformation side
Method detects the R crest values position that each heart is clapped in pretreated electrocardiosignal sampled data, to electrocardiosignal sampled data according to
The heart is carried out according to R crest values position and claps segmentation, and detects Q waves initial position and S wave final positions that the heart is clapped, and then is extracted
(the R crest values point and a upper heart that the heart is clapped clap R for the QRS wave duration of required temporal signatures, the i.e. heart bat, R-R interval
Time interval between crest value point) and averaged R-R intervals (averaged R-R intervals that 10 hearts before heart bat are clapped)；Together
When the unitized processing of the data value of clapping each heart be 300 data values, to represent the morphological feature that each heart is clapped.
Ten, client carries out the concrete processing procedure of electrocardio identities match；
For single cardiac cycle, similarity is measured using normalization Euclidean distance, uses linear discriminent point
(LDA) and arest neighbors rule (KNN) sorting algorithm is analysed, (mobile phone holder can not be within 2 second time to be thought to every 2s time intervals
Complete the input operation of trading object wallet address and electrocardio wallet payment cipher) in first single cardiac cycle feature and
Pre-stored user identity electrocardio ID features carry out matching verification, when the similarity that two kinds of algorithms obtain reaches given threshold, it is believed that
Authentication passes through.
Ten, the use operation of client user；
The operation of user and the operation of general digital wallet, all verification steps carry out on backstage.User is only
Need to can possess all of the wallet when I, electrocardio lock bracelet, electrocardio lock wallet APP, wallet APP passwords are complete makes
Use permission.
The above, patent preferred embodiment only of the present invention, but the protection domain of patent of the present invention is not limited to
This, any one skilled in the art is in the range disclosed in patent of the present invention, according to the skill of patent of the present invention
Art scheme and its patent of invention design are subject to equivalent substitution or change, belong to the protection domain of patent of the present invention.
Claims (10)
1. the digital cash wallet based on electrocardiosignal authentication, it is characterised in that：Hardware is locked including electrocardio and electrocardio locks money
APP two large divisions is wrapped, the electrocardio lock hardware includes electrocardiogram acquisition module and bluetooth communication, and electrocardio lock wallet APP includes
Electrocardio authentication module and digital moneytary operations module, when user opens electrocardio lock wallet APP progress digital cash transaction, from
The dynamic electrocardio for waking up dormant state locks hardware, and the electrocardiogram acquisition module in electrocardio lock hardware starts continuous collecting user's electrocardio letter
Number, electrocardiosignal sampled data is pre-processed, and electrocardio is transferred to by bluetooth communication and locks wallet APP, electrocardio lock
Electrocardio authentication module in wallet APP is to electrocardiosignal source Distance test, electrocardiosignal integrity check, electrocardiosignal
Real-time test carries out feature extraction after completing to pretreated electrocardiosignal sampled data, and utilizes cardiac cycle form
Feature and frequency domain character carry out electrocardio identification, if the unique subscriber electrocardio stored when first used with electrocardio lock wallet APP
ID matchings are then verified, and are able to through the continuation moneytary operations of digital cash transaction modules by rear user in electrocardio authentication
Operation, electrocardio lock the electrocardio lock hardware acquisition that wallet APP periodically persistently will wear user during moneytary operations operates
Heart real time signal carry out electrocardio authentication, electrocardio identity is tested certification and is not passed through in any period, digital cash wallet behaviour
Make to be prohibited.
2. the digital cash wallet according to claim 1 based on electrocardiosignal authentication, it is characterised in that：The heart
Electric lock hardware is that electrocardio locks bracelet, and wherein electrocardiogram acquisition module carries out original electro-cardiologic signals using photoelectricity continous way EGC sensor
Acquisition, using BMD101 bio-sensing chips to original electro-cardiologic signals carry out ECG signal processing, using CC2640R2F without
Line microcontroller carries out task scheduling and is transmitted with electrocardiosignal, and bluetooth communication uses 5.0 technology of Bluetooth Low Energy, electrocardio lock
Hardware uses small size voltage stabilizing chip, it is ensured that does not influence electrocardio lock bracelet normal work when cell voltage is relatively low.
3. the digital cash wallet according to claim 1 or 2 based on electrocardiosignal authentication, it is characterised in that：Institute
It states that electrocardiosignal sampled data pre-process and specifically includes：Electrocardiosignal sampled data is carried out using median filter method
Processing is to remove baseline drift, then is done using small wave converting method removal power frequency to the electrocardiosignal sampled data after medium filtering
It disturbs；Described the step of carrying out feature extraction to pretreated electrocardiosignal sampled data, specifically includes：Utilize wavelet transformation side
Method detects the R crest values position that each heart is clapped in pretreated electrocardiosignal sampled data, to electrocardiosignal sampled data according to
The heart is carried out according to R crest values position and claps segmentation, and detects Q waves initial position and S wave final positions that the heart is clapped, and then is extracted
QRS wave duration, R-R interval and the averaged R-R intervals that required temporal signatures, the i.e. heart are clapped；Each heart is clapped simultaneously
The unitized processing of data value be 300 data values, to represent the morphological feature that each heart is clapped.
4. the digital cash wallet according to claim 1 based on electrocardiosignal authentication, it is characterised in that：Passing through
It is further during pretreated electrocardiosignal sampled data is transferred to electrocardio lock wallet APP by bluetooth communication
Examine whether electrocardiosignal is changed in transmission process, detailed process is：In electrocardiosignal from before being sent out bluetooth communication
Its cyclic redundancy check code CRC is calculated, and is attached to behind ecg signal data packet, electrocardio locks wallet APP and receiving electrocardio letter
By certain rule parsing and CRC is generated after number packet, is matched with the cyclic redundancy check code CRC received, if unanimously,
Then illustrate that electrocardiosignal is completely not tampered with or occurs in transmission process mistake, if inconsistent, illustrates that electrocardiosignal is usurped
Change or mistake occurs in transmission process, does not execute electrocardio authentication program.
5. the digital cash wallet according to claim 4 based on electrocardiosignal authentication, it is characterised in that：The heart
Electric signal source Distance test, which by detection receives electrocardio, to be locked the bluetooth power dBm values of hardware and judges, take care electric lock hardware with
When the distance that electrocardio locks wallet APP exceeds 0.5m, there are the risk of my non-operation, at this time electrocardio lock wallet APP rejections
Electrocardiosignal does not just execute electrocardio authentication program yet；The detailed process of the electrocardiosignal real-time test is：Each
When secondary electrocardio lock wallet APP wakes up the acquisition and transmission of electrocardio lock hardware progress electrocardiosignal, electrocardio locks hardware and electrocardio locks money
Wrapping APP, part records a timestamp as to this, when user's n-th, which enables electrocardio lock wallet APP, to be operated, only N
The electrocardiosignal of secondary electrocardio lock hardware the acquired transmission being waken up is effective, and larger or not no timestamp is differed for timestamp
Electrocardiosignal, electrocardio lock wallet APP do not execute electrocardio authentication program；To electrocardiosignal source Distance test, electrocardiosignal
After the completion of integrity check, electrocardiosignal real-time test, abnormal period verification further executed to electrocardiosignal, judge the heart
Electric signal whether there is breakthrough or exception, until a normal complete signal period occurs, and the electrocardiosignal in this period is used for
Electrocardio authentication.
6. the digital cash wallet according to claim 1 based on electrocardiosignal authentication, it is characterised in that：The profit
The detailed process that electrocardio identification is carried out with cardiac cycle morphological feature and frequency domain character is：For single cardiac cycle, adopt
Similarity is measured with normalization Euclidean distance, using linear discriminent analysis and arest neighbors rule sorting algorithm, to every
Single cardiac cycle feature in 2s time intervals carries out matching verification with pre-stored user identity electrocardio ID features, when two kinds of calculations
The similarity that method obtains reaches given threshold, it is believed that authentication passes through.
7. the digital cash wallet according to claim 1 based on electrocardiosignal authentication, it is characterised in that：The heart
Writing for electric lock wallet APP is realized based on Flutter frames, includes digital cash transaction modules, electrocardio identity on function piecemeal
Authentication module and information community module, the digital cash transaction modules include that digital cash remaining sum checks unit and moneytary operations
Unit；Electrocardio authentication module includes electrocardiosignal source apart from verification unit, electrocardiosignal completeness check unit, electrocardio letter
Number real-time verification unit, electrocardiosignal feature extraction unit and electrocardiosignal identity authenticating unit；Information community module packet
Include popular digital cash information recommendation unit and exchange between communities unit；Wherein electrocardio authentication module does not have networking permission,
User's electrocardio ID is locally stored, and there is digital cash transaction modules networking permission to check and merchandise to carry out idle money balance, support
BTC, ETH, EOS are multi-platform, and information community module has networking permission and calls third party API to realize corresponding function.
8. the digital cash wallet according to claim 1 or claim 7 based on electrocardiosignal authentication, it is characterised in that：Institute
Electrocardio lock wallet APP is stated using publication of increasing income, user can select the compiling installation of source code self-checking, can also select download can
Execute file installation.
9. the digital cash wallet according to claim 1 based on electrocardiosignal authentication, it is characterised in that：The number
Word currency wallet using electrocardio lock wallet APP end passwords and user's electrocardio ID double-encryptions, lock wallet APP end passwords and use by electrocardio
The digital cash wallet private key at family, mnemonic word, Keystore relationship be：The digital cash wallet private key of user, mnemonic word,
Keystore has uniqueness, is voluntarily taken care of by user, user in transaction without using private key, mnemonic word and Keystore,
Only need the ends input electrocardio lock wallet APP password that can be traded under the premise of electrocardio authentication passes through；User is occurring
Electrocardio lock hardware is lost, electrocardio lock wallet APP is when being unloaded situation, the digital cash wallet private key of user oneself, mnemonic word,
Keystore will be used for importing digital currency wallet, and reset payment cipher.
10. the digital cash wallet according to claim 1 based on electrocardiosignal authentication, it is characterised in that：It is described
User's electrocardio ID of electrocardio lock hardware acquisition is used not only for electrocardio authentication, additionally it is possible to be used for health supervision.
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| CN201810383642.2A CN108647961A (en) | 2018-04-26 | 2018-04-26 | Digital cash wallet based on electrocardiosignal authentication |
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| CN201810383642.2A CN108647961A (en) | 2018-04-26 | 2018-04-26 | Digital cash wallet based on electrocardiosignal authentication |
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Application publication date: 20181012 |