CN106303022B - A kind of electronics key transmitting password by voice-grade channel - Google Patents
A kind of electronics key transmitting password by voice-grade channel Download PDFInfo
- Publication number
- CN106303022B CN106303022B CN201610665285.XA CN201610665285A CN106303022B CN 106303022 B CN106303022 B CN 106303022B CN 201610665285 A CN201610665285 A CN 201610665285A CN 106303022 B CN106303022 B CN 106303022B
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- Prior art keywords
- power supply
- lock body
- chip microcontroller
- channel
- unlocking cipher
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
- H04S1/005—For headphones
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72415—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories for remote control of appliances
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Lock And Its Accessories (AREA)
Abstract
A kind of electronics key transmitting password by voice-grade channel, including electronics secret key and electronic lock body, the electronics secret key is intelligent terminal, and the electronic lock body includes lock body power supply, audio jack, controlled power supply circuit, E-token dynamic password card, data comparison module, single-chip microcontroller and open locking execution unit;The L channel of the audio jack is connected to controlled power supply circuit, and lock body power supply is that data comparison module, single-chip microcontroller single-chip microcontroller and open locking execution unit are powered by controlled power supply circuit;The right channel of the audio jack is connected to data comparison module and E-token dynamic password card by data cable, and E-token dynamic password card passes through data cable again and is connected to data comparison module, and when unlocking, audio jack is inserted in the earpiece holes of intelligent terminal.The present invention only needs the of short duration time that can realize unlocking, high-efficient there is no the process of pairing, and compatibility is strong.Control structure is simple, based on the control of hardware view, reduces the risk maliciously cracked due to software vulnerability.
Description
Technical field
The present invention relates to a kind of electronic password lock, specifically a kind of unlocking person can be at the appointed time after authorized
Open the design of specified electronic lock.
Background technique
Common electronic lock carries out the transmission of password using blue-tooth technology on the market at present, in the electronic equipments such as mobile phone
Unlocking cipher controller end is transferred to by blueteeth network, whether controller identical by comparing incoming password and preset password
To control the unlatching of lock body.Bluetooth equipment it is standby when can to surrounding send signal to search for equipment and be identified by other equipment,
Need to consume more electric energy, and bluetooth equipment needs to wait the regular hour during pairing, influences working efficiency.Work as week
Collarette border will affect Bluetooth device operation stability there are when strong electromagnetic.It is also possible to exist between two bluetooth equipments simultaneous
The problem of capacitive.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of electronics keys that password is transmitted by voice-grade channel.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of electronics key transmitting password by voice-grade channel, including electronics secret key and electronic lock body, the electronics are close
Spoon is intelligent terminal, and the electronic lock body includes lock body power supply, audio jack, controlled power supply circuit, E-token dynamic password card, data pair
Than module, single-chip microcontroller and open locking execution unit;
The L channel of the audio jack is connected to controlled power supply circuit, and lock body power supply is data by controlled power supply circuit
Contrast module, single-chip microcontroller single-chip microcontroller and the power supply of open locking execution unit;
The right channel of the audio jack is connected to data comparison module and E-token dynamic password card, dynamic mouth by data cable
Token passes through data cable again and is connected to data comparison module,
When unlocking, audio jack is inserted in the earpiece holes of intelligent terminal.
The data comparison module includes high level AND gate circuit, low level AND gate circuit and OR circuit,
The high level AND gate circuit and low level AND gate circuit are parallel connection, and at the same time with OR circuit series connection or door
Circuit is connected serially to single-chip microcontroller again, the right channel of the audio jack be connected to simultaneously by data cable high level AND gate circuit and
Low level AND gate circuit.
The dynamic password number with the intracorporal E-token dynamic password card of electronic lock based on time synchronization is stored in the intelligent terminal
According to.
Compared with prior art, the present invention have the utility model has the advantages that
Only need the of short duration time that can realize unlocking, high-efficient there is no the process of pairing, compatibility is strong.Control structure
Simply, based on the control of hardware view, the risk maliciously cracked due to software vulnerability is reduced.It can be cut off when standby main
The power supply of component only retains the power supply of built-in dynamic password board, saves electric energy, reduces the electromagnetic interference to ambient enviroment.Using
It is had strong anti-interference ability when shielded cable.
Detailed description of the invention
Fig. 1 is the schematic block circuit diagram of the electronics key of the present invention that password is transmitted by voice-grade channel.
Fig. 2 is the schematic diagram of right channel output waveform.
Specific embodiment
Technical solution of the present invention is further elaborated below by embodiment.
Embodiment 1
A kind of electronics key transmitting password by voice-grade channel, including electronics secret key and electronic lock body, the electronics are close
Spoon is intelligent terminal, and the electronic lock body includes lock body power supply, audio jack, controlled power supply circuit, E-token dynamic password card, data pair
Than module, single-chip microcontroller and open locking execution unit;
The L channel of the audio jack is connected to controlled power supply circuit, and lock body power supply is data by controlled power supply circuit
Contrast module, single-chip microcontroller single-chip microcontroller and the power supply of open locking execution unit;
The right channel of the audio jack is connected to data comparison module and E-token dynamic password card, dynamic mouth by data cable
Token passes through data cable again and is connected to data comparison module,
When unlocking, audio jack is inserted in the earpiece holes of intelligent terminal.
The data comparison module includes high level AND gate circuit, low level AND gate circuit and OR circuit,
The high level AND gate circuit and low level AND gate circuit are parallel connection, and at the same time with OR circuit series connection or door
Circuit is connected serially to single-chip microcontroller again, the right channel of the audio jack be connected to simultaneously by data cable high level AND gate circuit and
Low level AND gate circuit.
The dynamic password number with the intracorporal E-token dynamic password card of electronic lock based on time synchronization is stored in the intelligent terminal
According to.
A method of cipher control open locking is transmitted by voice-grade channel, is included the following steps:
It (1) include lock body power supply, audio jack, controlled power supply circuit, E-token dynamic password card, data comparison mould in electronic lock body
Block, single-chip microcontroller and open locking execution unit, remote server are pressed with the intracorporal E-token dynamic password card of electronic lock based on time synchronization
Current binary system unlocking cipher is calculated according to preset algorithm,
(2) when preparing to unlock, by intelligent terminal to remote server request unlocking cipher, receive legitimate user's
After request, remote server plus parity check code and is sent on intelligent terminal behind binary system unlocking cipher;
(3) after intelligent terminal receives unlocking cipher, judge whether unlocking cipher is effective by even-odd check, it is close when unlocking
When code is effective, section head identification code is added in intelligent terminal before effective unlocking cipher, and reconvert is at audio file, the audio text
When part plays, the high level signal that L channel is continuously sent out, right channel issues the wave encoded according to binary system unlocking cipher
Shape is square wave or the electric signal close to square wave;
(4) by the earpiece holes of the audio jack insertion intelligent terminal of electronic lock body, intelligent terminal is opened after regulating volume
Begin to play audio file, when broadcasting,
The high level signal that L channel is continuously sent out triggers controlled power supply circuit, so that lock body power supply passes through controlled power supply electricity
Road is that data comparison module, single-chip microcontroller single-chip microcontroller and the power supply of open locking execution unit, electronic lock body switch to work by standby,
The waveform encoded according to binary system unlocking cipher is square wave or close to the electric signal of square wave by right channel
It is transmitted to the intracorporal contrast module of electronic lock and E-token dynamic password card, after E-token dynamic password card recognizes unlocking cipher section head identification code,
The binary system unlocking cipher built-in to contrast module input, the binary system that built-in binary system unlocking cipher is inputted with right channel are opened
Lock cipher electric signal step-by-step is compared, and when the two is identical, single-chip microcontroller controls open locking execution unit and unlocks, and works as the two
When not exactly the same, then do not unlock.
(5) after Dan Kaisuo, audio rubbing head is extracted, power supply circuit loses high level triggering, so that lock body power supply stops
For the power supply of data comparison module, single-chip microcontroller single-chip microcontroller and open locking execution unit, restore standby mode.
Embodiment 2
The unlocking cipher that the present embodiment design uses is the binary number of 32 bit lengths, password a total of 232=
4294967296 kinds, intelligent terminal is mobile phone.The principle that mobile phone sends password is to utilize audio output analog and digital signal.Mobile phone
Earpiece holes usually there are four contact, respectively L channel, right channel, microphone and common cathode.L channel, the right side is used herein
Sound channel and these three contacts of common cathode.
The high level signal that L channel continuously sends out 1v triggers controlled power supply circuit, so that lock body power supply passes through controlled power supply
Circuit is that data comparison module, single-chip microcontroller single-chip microcontroller and the power supply of open locking execution unit, electronic lock body switch to work by standby,
The waveform encoded according to binary system unlocking cipher is square wave or close to the electric signal of square wave by right channel
It is transmitted in electronic lock body, the content of a unlocking cipher signal data packet is as follows:
The length of code content every is 50 milliseconds, and it is 150 milliseconds that data packet section head identification code, which accounts for three bit lengths, every number
It is 1750 milliseconds according to packet total length, when a binary code is 1, exports the high level of 1v, when a binary code is 0,
Export the low level of 0v.The binary system unlocking cipher electric signal step-by-step of built-in binary system unlocking cipher and right channel input is successively
Be compared, when the two is all high level, from high level AND gate circuit to or one high level pulse of circuit output and enter single
Piece machine record, when the two is all low level, from low level AND gate circuit to or one high level pulse of circuit output and enter single
Piece machine record, when the two is not simultaneously high level or low level, what is exported to single-chip microcontroller through OR circuit is low level pulse,
Single-chip microcontroller records the number of high level pulse, if single-chip microcontroller counting reaches 32, exports high level, controls open locking enforcement division
Part is unlocked, if count less than 32, is not unlocked.Zero is then counted without pulse signal more than 80 milliseconds.
Claims (3)
1. a kind of electronics key for transmitting password by voice-grade channel, including electronics secret key and electronic lock body, which is characterized in that
The electronics secret key is intelligent terminal,
The electronic lock body includes lock body power supply, audio jack, controlled power supply circuit, E-token dynamic password card, data comparison module, list
Piece machine and open locking execution unit;
The L channel of the audio jack is connected to controlled power supply circuit, and lock body power supply is data comparison by controlled power supply circuit
Module, single-chip microcontroller single-chip microcontroller and the power supply of open locking execution unit;
The right channel of the audio jack is connected to data comparison module and E-token dynamic password card, E-token dynamic password card by data cable
Data comparison module is connected to by data cable again,
When unlocking, audio jack is inserted in the earpiece holes of intelligent terminal;
The method for transmitting cipher control open locking by voice-grade channel, includes the following steps:
(1) remote server is calculated based on time synchronization according to preset algorithm with the intracorporal E-token dynamic password card of electronic lock
Current binary system unlocking cipher,
(2) when preparing to unlock, by intelligent terminal to remote server request unlocking cipher, the request of legitimate user is received
Afterwards, remote server plus parity check code and is sent on intelligent terminal behind binary system unlocking cipher;
(3) after intelligent terminal receives unlocking cipher, judge whether unlocking cipher is effective by even-odd check, when unlocking cipher has
When effect, section head identification code is added in intelligent terminal before effective unlocking cipher, and reconvert is broadcast at audio file, the audio file
When putting, the high level signal that L channel is continuously sent out, right channel, which is issued according to the waveform that binary system unlocking cipher is encoded, is
Square wave or electric signal close to square wave;
(4) by the earpiece holes of the audio jack insertion intelligent terminal of electronic lock body, intelligent terminal starts to broadcast after regulating volume
Playback frequency file, when broadcasting,
The high level signal that L channel is continuously sent out triggers controlled power supply circuit, so that lock body power supply is by controlled power supply circuit
Data comparison module, single-chip microcontroller single-chip microcontroller and the power supply of open locking execution unit, electronic lock body switch to work by standby,
The waveform encoded according to binary system unlocking cipher is square wave or close to the electric signal transmission of square wave by right channel
To the intracorporal contrast module of electronic lock and E-token dynamic password card, after E-token dynamic password card recognizes unlocking cipher section head identification code, to right
The binary system unlocking cipher more built-in than module input, built-in binary system unlocking cipher are unlocked close with the binary system that right channel inputs
Code electric signal step-by-step is compared, and when the two is identical, single-chip microcontroller controls open locking execution unit and unlocks, when the two is endless
When exactly the same, then do not unlock;
(5) after Dan Kaisuo, audio rubbing head is extracted, power supply circuit loses high level triggering, so that lock body power supply stops as number
It powers according to contrast module, single-chip microcontroller single-chip microcontroller and open locking execution unit, restores standby mode.
2. the electronics key of password is transmitted by voice-grade channel as described in claim 1, which is characterized in that the data comparison mould
Block includes high level AND gate circuit, low level AND gate circuit and OR circuit,
The high level AND gate circuit and low level AND gate circuit are parallel connection, and at the same time connect with OR circuit, OR circuit
It is connected serially to single-chip microcontroller again, the right channel of the audio jack is connected to high level AND gate circuit and low electricity by data cable simultaneously
Flat AND gate circuit.
3. the electronics key of password is transmitted by voice-grade channel as claimed in claim 1 or 2, which is characterized in that the intelligence is eventually
The dynamic password data with the intracorporal E-token dynamic password card of electronic lock based on time synchronization are stored in end.
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CN201610665285.XA CN106303022B (en) | 2016-08-12 | 2016-08-12 | A kind of electronics key transmitting password by voice-grade channel |
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CN201610665285.XA CN106303022B (en) | 2016-08-12 | 2016-08-12 | A kind of electronics key transmitting password by voice-grade channel |
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CN106303022A CN106303022A (en) | 2017-01-04 |
CN106303022B true CN106303022B (en) | 2019-04-12 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108550204A (en) * | 2018-03-20 | 2018-09-18 | 中电科(天津)网络信息安全有限公司 | A kind of time sync-type sound wave guard method and system |
CN109707230A (en) * | 2018-12-04 | 2019-05-03 | 安徽省广播电视设备器材有限责任公司 | A kind of engineering construction electronics secret key system that password is transmitted by voice-grade channel |
CN113313859B (en) * | 2021-05-18 | 2023-06-02 | 连洁 | Rhythm-based intelligent lock system and method |
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JP2007332695A (en) * | 2006-06-16 | 2007-12-27 | Advanced Media Inc | Electronic lock device and voice authentication locker system |
CN102477820A (en) * | 2011-09-07 | 2012-05-30 | 贾松仁 | Dynamic password-based electronic lock system and authentication method thereof |
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CN103200002A (en) * | 2012-01-04 | 2013-07-10 | 赛酷特(北京)信息技术有限公司 | Intelligent combination lock based on headphone port |
CN103810017A (en) * | 2013-11-15 | 2014-05-21 | 深圳光启创新技术有限公司 | Method and device for sending and receiving command information |
CN204117233U (en) * | 2014-10-11 | 2015-01-21 | 兰州大学 | With the smart lock of voice communication plug |
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JP2007332695A (en) * | 2006-06-16 | 2007-12-27 | Advanced Media Inc | Electronic lock device and voice authentication locker system |
CN102477820A (en) * | 2011-09-07 | 2012-05-30 | 贾松仁 | Dynamic password-based electronic lock system and authentication method thereof |
CN103200002A (en) * | 2012-01-04 | 2013-07-10 | 赛酷特(北京)信息技术有限公司 | Intelligent combination lock based on headphone port |
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