CN106778626A - A kind of random sequence generation device based on electrocardiosignal - Google Patents
A kind of random sequence generation device based on electrocardiosignal Download PDFInfo
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- CN106778626A CN106778626A CN201611187995.2A CN201611187995A CN106778626A CN 106778626 A CN106778626 A CN 106778626A CN 201611187995 A CN201611187995 A CN 201611187995A CN 106778626 A CN106778626 A CN 106778626A
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- random sequence
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- electrocardiosignal
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- 238000012795 verification Methods 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 230000003321 amplification Effects 0.000 claims abstract description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
- G06F2218/08—Feature extraction
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/58—Random or pseudo-random number generators
- G06F7/582—Pseudo-random number generators
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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
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
- G06F2218/12—Classification; Matching
-
- 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
Abstract
A kind of random sequence generation device based on electrocardiosignal, the output of electrocardioelectrode is connected with the input of pre-amplification circuit, the output of pre-amplification circuit is connected with the input of high-pass filtering circuit, the output of high-pass filtering circuit is connected with the input of trap circuit, the output of trap circuit is connected with the input of low-pass filter circuit, the output of low-pass filter circuit is connected with central microprocessor, central microprocessor exports the random sequence after treatment by Serial No. output interface, power interface is connected with externally fed part, and for each circuit of said apparatus is powered, the central microprocessor connects storage circuit.The beneficial effects of the invention are as follows：The present apparatus can be used in Wearable or miscellaneous equipment produce random sequence to be used as password or dynamic verification code, or for producing the initialization random factor of pseudo random number, can be also used for identity discriminating.
Description
Technical field
The present invention relates to a kind of random sequence generation device based on electrocardiosignal, the electronics for belonging to information security field sets
It is standby.
Background technology
With information technology combined with daily life more and more closely, increasing people can be in computer or shifting
Dynamic terminal（Including smart mobile phone, panel computer, the movable equipment such as notebook computer）It is upper to use various application software, including hand over
Friend, shopping and trip etc..These softwares may require that use for the safety for preferably differentiating the identity of user to ensure sensitive information
Family provides the various information that can directly or indirectly prove its identity, for example, require that user provides the photograph of identity card original paper or copy
Piece；It is required that user provides the photo of medical insurance card original paper or copy；It is required that user provides the photo of driver's license original paper or copy；
It is required that user provides phone number, and dynamic verification code is sent on user mobile phone, it is desirable to user input this identifying code；It is required that
User provides individual mailbox and will verify that the link of user identity is sent in subscriber mailbox, and user must log into mailbox click
The link completes authentication.In the mode of above-mentioned discriminating user identity, send dynamic verification code to user mobile phone and be used in
Most occasions.
In major applications scene, user is to the safety of personal data and thinks little of or not sensitive enough, such as online
The record of shopping, trip record or record etc. of ordering, even if using being that these information are carried out into plaintext transmission, user nor non-
Often mind, but for some applications, the data of user need to use password to encrypt it carries out ciphertext biography.It is most representative such as
The various passwords such as Internet bank's password of user, Alipay password, wechat payment cipher, once reveal the wealth of entail dangers to user
Business safety.
Either identifying code or password, randomness be one weigh its whether the extremely important index of safety.At present
The password of dynamic verification code and user in most softwares that we use, is all one group of pseudo-random sequence, and non-real with
Machine sequence, therefore these sequences are easy to be cracked by people, so as to lose security.Many applications can all set dynamic verification code
The term of validity, or user's timing Modify password is required, this avoids user cipher and is cracked to a certain extent.If however, energy
Producing true random sequence then has more preferable security.
Authorization Notice No. discloses a kind of suitable for the truly random of RFID reader for the utility model of CN205721741U
Number generation device, its core concept is the dither cycle for improving oscillator to increase randomness, it is adaptable to RFID reader.Authorize
Notification number discloses a kind of hardware random number generator for the utility model of CN205620988U, can produce a random number.Shen
Please publication No. provide a kind of numerical ciphers preparation method based on rectangular coordinate system, this side for the invention of CN103870757A
Method can produce double figures password.
In the Wearable application of healthy monitoring, the method for above-mentioned generation random number has to a certain extent
It is not enough.For example：The utility model of CN205721741U is only applicable to RFID reader.Electrocardiosignal be mostly important feature it
One, used as a kind of human body sign in itself, it has fabulous randomness.Therefore, it is directly based upon electrocardiosignal and produces stochastic ordering
The cost needed on the one hand can reducing safety is arranged, on the other hand because electrocardiosignal has significant individuality（That is different people
Electrocardiosignal it is different）So as to differentiate the identity of user.
The present apparatus will produce random sequence based on electrocardiosignal, for the safety of the Wearable of health field, or make
It is used to produce random sequence for a module is integrated in a certain equipment.
The content of the invention
The present invention be directed to the deficiency of existing invention, there is provided one kind is used for healthy monitoring field Wearable application
Safety device.
The technical solution adopted by the present invention is：The signal that electrocardioelectrode is gathered is amplified first by AD620 modules,
Then the signal that will amplify accesses high pass filter block, then the signal that will be exported from high-pass filter access trapper module with
Hz noise is removed, signal is then accessed into main amplifier device module, signal is accessed into low pass filter mould again after signal is amplified
Block, finally exports electrocardiosignal, and electrocardiosignal is accessed into central microprocessor, will be simulated by its built-in A/D change-over circuit
It is converted to data signal to signal, then takes the lowest order of each numerical data, according to the different numbers for needing to export designated length
Word sequence, this Serial No. is random sequence.
The structure of device of the present invention includes：Electrocardioelectrode, pre-amplification circuit, high-pass filtering circuit, trap circuit,
Low-pass filter circuit, storage circuit, central microprocessor, Serial No. output interface, power interface.
Device of the present invention takes in the following manner to connect：The input phase of the output of electrocardioelectrode and pre-amplification circuit
Even, the output of pre-amplification circuit is connected with the input of high-pass filtering circuit, output and the trap circuit of high-pass filtering circuit
Input is connected, and the output of trap circuit is connected with the input of low-pass filter circuit, the output of low-pass filter circuit and central micro- place
Reason device be connected, central microprocessor exports the random sequence after treatment by Serial No. output interface, power interface with it is outer
Portion's power supply part is connected, and for each circuit of said apparatus is powered.
Described device is so running：The device is integrated in user into Wearable device or generation needed for other is random
, it is necessary to first set the length of required random sequence when using in the equipment of sequence（System default produces 128 if not setting）,
The device starts collection electrocardiosignal and exports random sequence.
A kind of random sequence generation device based on electrocardiosignal, human ecg signal conversion forming apparatus can be recognized
Data signal forms random sequence and is used as password or dynamic verification code.
The beneficial effects of the invention are as follows：The present apparatus can be used in Wearable or miscellaneous equipment produce random sequence to be used as
Password or dynamic verification code, or for producing the initialization random factor of pseudo random number, can be also used for identity discriminating.
Brief description of the drawings
Fig. 1 is general assembly schematic diagram of the invention；
Fig. 2 is that random sequence produces flow chart；
Fig. 3 is that the random sequence that the device is produced is used to generate the flow chart that dynamic verification code discriminates one's identification；
Fig. 4 is the safe flow chart that the random sequence that the device is produced is used as cryptographic assurance data transfer；
Fig. 5 is that the random sequence that the device is produced is used as the safe flow chart that random factor produces key guarantee data transfer.
In figure, 1, electrocardioelectrode 2, pre-amplification circuit 3, high-pass filtering circuit 4, trap circuit 5, LPF
Circuit 6, storage circuit 7, central microprocessor 8, Serial No. output interface 9, power interface.
Specific embodiment
Further illustrate the present apparatus below in conjunction with the accompanying drawings：
Fig. 1 shows the present apparatus by electrocardioelectrode, pre-amplification circuit, high-pass filtering circuit, trap circuit, LPF electricity
Road, storage circuit, central microprocessor, Serial No. output interface and power interface are constituted, the output of electrocardioelectrode 1 with it is preposition
The input of amplifying circuit 2 is connected, and the output of pre-amplification circuit 2 is connected with the input of high-pass filtering circuit 3, high-pass filtering circuit
3 output is connected with the input of trap circuit 4, and the output of trap circuit 4 is connected with the input of low-pass filter circuit 5, low pass filtered
The output of wave circuit 5 is connected with central microprocessor 7, and the random sequence after treatment is passed through Serial No. by central microprocessor 7
Output interface 8 is exported, and power interface 9 is connected with externally fed part, and for each circuit of said apparatus is powered, the center is micro-
Processor 7 connects storage circuit 6.
Fig. 2 shows that the device produces the flow of the random sequence of designated length, and electrocardiosignal is gathered by electrocardioelectrode,
Then after being processed signal by pre-amplification circuit, high-pass filtering circuit, trap circuit and low-pass filter circuit, by
Central microprocessor is stored during storage circuit is sent into after signal is digitized, and will be random by Serial No. output interface
Sequence is exported, the requirement according to application to sequence length, continuously exports random sequence, untill satisfaction is required.
Fig. 3 illustrates how the random sequence produced using the device is discriminated one's identification generating dynamic verification code, is using
After electrocardioelectrode collection electrocardiosignal, it is amplified, is stored among circuit after filtering, by central processing unit to it
Digitize and exported through Serial No. output interface.If sequence length meets needs, the random sequence of this length will be produced
Corresponding electrocardiosignal carries out one-way hash function, and itself and corresponding random sequence are transferred into server end in the lump, and server end will
The cryptographic Hash of electrocardiosignal is stored, and uses random sequence as the random number seed for producing dynamic verification code, generation
Dynamic verification code and random sequence are stored on server.Unduplicated dynamic verification code is issued user terminal, user by server
Can be in terminal, such as desktop computer, notebook computer is input into this dynamic verification code on panel computer or smart mobile phone.
Correctly entered in the time of regulation and number of times dynamic verification code complete user identity discriminating, if user input when beyond rule
Fixed time or number of times, server can lock the user, and this is in order to avoid the unconfined trial dynamic verification code of attacker.
It is required that user is transmitted the cryptographic Hash of electrocardiosignal and is stored by server, it is for avoiding user from denying
Oneself be transmitted across the random sequence produced by electrocardiosignal is used to produce dynamic verification code to server（Using the individual of electrocardiosignal
Body）, i.e. user cannot deny this thing.
The dynamic verification code of generation and accordingly random sequence are stored on server and are used to ensure these dynamic verification codes
It is not repeated and uses, to avoid Replay Attack, that is, is reused after avoiding the dynamic verification code of user from being obtained by attacker.In order to
The unconfined trial of attacker is avoided, server will limit the number of times that user uses dynamic verification code at the appointed time, surpass
Predetermined number of times is crossed, the user will be locked, i.e., do not allow the user to carry out authentication.
Fig. 4 illustrates random sequence is used for safe flow of the guarantee information in transmitting procedure as key.Using
After electrocardioelectrode collection electrocardiosignal, it is amplified, is stored among circuit after filtering, by central processing unit to it
Digitize and exported through Serial No. output interface.Complete close after the key sequence of designated length is exported to upper layer application
The process of key generation, upper layer application then carries out being encrypted and decrypted by specified algorithm using this key to corresponding data.For
Further raising security, upper layer application can get off these used key data records, it is ensured that these keys are not weighed
Use again.
Fig. 5 illustrates random sequence and is used as to produce the random factor of random number.Electrocardiosignal is being gathered using electrocardioelectrode
Afterwards, it is amplified, is stored among circuit after filtering, it digitized by central processing unit and defeated through Serial No.
Outgoing interface is exported.Because when using same random number generating algorithm, identical random seed can produce identical random number, because
This is after random sequence length meets requirement, in addition it is also necessary to judge whether these random seeds had used, if being made
It is used, then directly abandon this random seed, and regenerate unduplicated random seed, finally using random seed produce with
Machine number is used as key.Can be used for the encryption of data and decryption using this key.
Claims (2)
1. a kind of random sequence generation device based on electrocardiosignal, the number that forming apparatus can be recognized is changed by human ecg signal
Word signal forms random sequence and is used as password or dynamic verification code.
2. a kind of a kind of random sequence generation device based on electrocardiosignal described in claim 1, it is characterised in that the device
Concrete structure include：Electrocardioelectrode, pre-amplification circuit, high-pass filtering circuit, trap circuit, low-pass filter circuit, storage
Circuit, central microprocessor, Serial No. output interface, power interface, the output of electrocardioelectrode are defeated with pre-amplification circuit
Enter connected, the output of pre-amplification circuit is connected with the input of high-pass filtering circuit, output and the trap electricity of high-pass filtering circuit
The input on road is connected, and the output of trap circuit is connected with the input of low-pass filter circuit, output and the center of low-pass filter circuit
Microprocessor is connected, and central microprocessor exports the random sequence after treatment by Serial No. output interface, power interface
It is connected with externally fed part, and for each circuit of said apparatus is powered, the central microprocessor connects storage circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611187995.2A CN106778626A (en) | 2016-12-21 | 2016-12-21 | A kind of random sequence generation device based on electrocardiosignal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611187995.2A CN106778626A (en) | 2016-12-21 | 2016-12-21 | A kind of random sequence generation device based on electrocardiosignal |
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| Publication Number | Publication Date |
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| CN106778626A true CN106778626A (en) | 2017-05-31 |
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| CN201611187995.2A Pending CN106778626A (en) | 2016-12-21 | 2016-12-21 | A kind of random sequence generation device based on electrocardiosignal |
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Citations (4)
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|---|---|---|---|---|
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| CN206757647U (en) * | 2016-12-21 | 2017-12-15 | 江西师范大学 | A kind of random sequence generation device based on electrocardiosignal |
-
2016
- 2016-12-21 CN CN201611187995.2A patent/CN106778626A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| CN102289618A (en) * | 2011-07-19 | 2011-12-21 | 中山大学深圳研究院 | Electrocardiosignal-based identity recognition method and device |
| US20150304101A1 (en) * | 2014-04-16 | 2015-10-22 | Sandeep Gupta | Physiological signal-based encryption and ehr management |
| CN105243312A (en) * | 2015-11-13 | 2016-01-13 | 上海傲意信息科技有限公司 | Password system and encryption and decryption method |
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