CN106761052A - A kind of automobile door control remote-control key radio frequency Replay Attack system of defense based on timestamp - Google Patents
A kind of automobile door control remote-control key radio frequency Replay Attack system of defense based on timestamp Download PDFInfo
- Publication number
- CN106761052A CN106761052A CN201710079852.8A CN201710079852A CN106761052A CN 106761052 A CN106761052 A CN 106761052A CN 201710079852 A CN201710079852 A CN 201710079852A CN 106761052 A CN106761052 A CN 106761052A
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- China
- Prior art keywords
- control
- automobile remote
- automobile
- remote
- entrance guard
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/44—Burglar prevention, e.g. protecting against opening by unauthorised tools
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B43/00—Time locks
-
- 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
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3297—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving time stamps, e.g. generation of time stamps
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
Abstract
A kind of automobile door control remote-control key radio frequency Replay Attack system of defense based on timestamp, needs install time set additional on automobile remote-control entrance guard device and automobile remote-control key, assigning work order to the time set for being installed additional starts timing simultaneously with automobile remote-control entrance guard device to detect automobile remote-control key after car owner completes car locking action, and time set will send automobile remote-control key and automobile remote-control entrance guard device to temporal information all the time.When automobile remote-control key detects the instruction button such as car locking, driving to be pressed, the clocking information that the sequence number and time set that it can prestore inside are transmitted is combined and is encrypted to form ciphertext and be launched by RFID wireless radio frequency modules.After the RFID wireless radio frequency modules of automobile remote-control entrance guard device receive this ciphertext, it will decrypted in plain text with respective algorithms, and judge the correctness of sequence number therein and clocking information and then perform corresponding actions.
Description
Technical field
The present invention relates to automobile information security fields, specially a kind of automobile door control remote-control key radio frequency based on timestamp
Replay Attack system of defense.
Background technology
With the development of automobile industry, the combination of automobile and electronic system is more and more closer, and RKE remote access control systems are because of it
Convenient and swift the characteristics of, enjoys the favor of people.But because the Personal Unlocking Key of early stage RKE system immobilizes, burglar is by blocking
Cutting unlocking signal and carry out simple replay can just open lock.
New a set of RKE system based on rolling code authentication is developed to this depot, its principle is that encoder detects button
Input, wakes up system from power down mode, and synchronous numeration Jia 1, forms ciphertext data after key encryption together with sequence number,
And gone out with data is activations such as key assignments.Send all different every time due to synchronometer numerical value, even same button is depressed multiple times
It is unexceptional.The automatic rolls forward of synchronous counting, the code word of transmission will not occur again, realize that unblock ciphertext is different every time, is reached with this
To the purpose of defence Replay Attack.
But, the nearest a breaking device for rolling code is developed.The device of this entitled " RollJam ",
A kind of " universal remote control ", be by modern science and technology create come electronic edition MASTERKRY, its work is specifically this
Sample：
1st, car owner is pressing the button of electron key near the position of car, prepares to open car door；
2nd, the hand-held RollJam of thief that nearby dark place is hidden, transmission signal disturbs the electron key of automobile, loses it
Effect；
3rd, because cannot open, car owner thinks failure, in being to continue with by (instinct of people)；But the now coding of electron key
Do not change, simply clicking rate according to car owner records number of times；
4th, at this very moment, the RollJam in thief's hand has successfully been recorded and has been replicated the coding of the car electron key；
That is, RollJam has had changed into that electron key in car owner's hand；
5th, in the near future, sometime, thief can come " car steathily " using RollJam as electron key.
Therefore traditional rolling code key automobile door control guard technology cannot meet the security needs of people, invention one
Plant new automobile door control Replay Attack guard technology necessary.
The content of the invention
It is contemplated that overcome the shortcomings of that existing rolling code guard technology randomness is low, for automobile door control Replay Attack
Feature, there is provided a kind of simple structure, it is easy to implement, it is difficult to which the automobile door control remote-control key radio frequency based on timestamp of prediction is reset
Attack defending system.
Fig. 1 is automobile door control radio frequency Replay Attack schematic diagram.For the principle, the present invention proposes new automobile door control weight
Put attack guarding method.Technic relization scheme of the invention is：One automobile door control remote-control key radio frequency weight based on timestamp
Attack defending system is put, it includes a traditional automobile remote-control key, a traditional automobile remote-control entrance guard device, two meters
When device, automobile remote-control key can connect time set read information, automobile remote-control entrance guard device can also connect timing dress
Reading information is put, automobile remote-control key can also be with automobile remote-control access controller radio communication.The automobile remote-control key band
There are electric supply installation, control process device, key device, RFID wireless radio transmission modules, transmitting antenna.The automobile remote-control gate inhibition
Device carries electric supply installation, control process device, RFID less radio-frequency receiver modules, reception antenna, car door lock.The time set
Including control process device, crystal oscillator.
The present invention provide a kind of automobile door control remote-control key radio frequency Replay Attack system of defense based on timestamp, it is necessary to
Time set is installed additional on automobile remote-control entrance guard device and automobile remote-control key, detect automobile after car owner completes car locking action distant
Control key assigns work order and starts timing to the time set for being installed additional simultaneously with automobile remote-control entrance guard device, and time set will
Automobile remote-control key and automobile remote-control entrance guard device can be sent to temporal information all the time.When automobile remote-control key inspection
Measure car locking, when the instruction button such as drive is pressed, the timing letter that the sequence number and time set that it can prestore inside are transmitted
Manner of breathing is combined and is encrypted to form ciphertext and be launched by RFID wireless radio frequency modules.The RFID of automobile remote-control entrance guard device
After wireless radio frequency modules receive this ciphertext, it will decrypted in plain text with respective algorithms, and judge sequence number therein and meter
When information correctness then perform corresponding actions.
The technical solution adopted by the present invention has following technique effect compared with prior art：
(1) automobile door control Replay Attack means of defence of the invention is protected based on timestamp, compared to existing automobile remote-control key
Spoon rolling code encryption mechanism randomness is stronger, it is difficult to predict, can defend the attack of similar RollJam breaking devices.
(2) automobile remote-control entrance guard device of the invention can be decrypted by the wrong ciphertext for being received, and be split out and sequence
Clocking information that row number is combined together simultaneously is analyzed, and detects whether to be subjected to Replay Attack, and alarm.
(3) present invention can reset time set after each car locking, can prevent because different crystal shakes in time set
Larger error is formed after the minute differences long time integration for swinging the frequency of oscillation between device, automobile remote-control key and vapour is ultimately resulted in
The nonsynchronous situation of car remote access control temporal information occurs.
(4) timed interval of the invention chooses Replay Attack barrier propterty and system wireless letter that can be as needed
Number transmission delay changes, so as to adapt to various use conditions；Timing time starting point can select any mark car owner to leave automobile
Action, randomness is stronger, it more difficult to be cracked.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is automobile door control radio frequency Replay Attack schematic diagram；
Fig. 2 is the application model of this method.
Specific embodiment
The present invention is further described with reference to embodiment.
A kind of automobile door control remote-control key radio frequency Replay Attack system of defense based on timestamp, including automobile remote-control key
Spoon, automobile remote-control entrance guard device and time set.
The automobile remote-control key includes electric supply installation, control process device, key device, RFID wireless radio transmission moulds
Block, transmitting antenna.Wherein, it is that whole automobile remote-control key and other devices being attached thereto provide electric power that electric supply installation is used for
Support；Control process device is not only a simple control chip, but one has the single-chip microcomputer of control process function most
Mini system, generation and reception for instructing judge and internal data treatment, including receive the life for judging that key device is produced
Level is made, the time set transmission work connected to automobile remote-control key or the order that is stopped receive time set transmission
Present timing information, the combination of sequence number and clocking information generates with ciphertext, and transmission ciphertext arrives transmitter module etc.；Key device
It is connected with control process device, for the enabling of people intention of closing the door to be converted into level signal and is transferred to control process device；RFID
Wireless radio transmission module is outwards launched for the ciphertext received from control process device to be converted into radio wave；Transmitting
Antenna is used to strengthen the radio wave that RFID wireless radio transmission modules are launched, and makes automobile remote-control entrance guard device be easier to connect
Receive.
The automobile remote-control entrance guard device includes electric supply installation, and control process device, RFID less radio-frequency receiver modules are received
Antenna, car door lock.Wherein, it is that whole automobile remote-control entrance guard device and other devices being attached thereto are provided that electric supply installation is used for
Electric power support；Control process device is equally one has the single-chip minimum system of control process function, for the generation for instructing
Judge and internal data treatment with receiving, including the ciphertext that automobile remote-control key is sent is received from receiver module, it is distant to automobile
Time set transmission work or the order that is stopped that control entrance guard device is connected, receive the present timing letter of time set transmission
, be decrypted into ciphertext in plain text according to decipherment algorithm by breath, the correctness of sequence number and clocking information in judging in plain text, to car door lock
Send and unlock or instruction of locking；RFID less radio-frequencies receiver module is used to receive the radio sent from automobile remote-control key
Ripple, and be translated into ciphertext and be sent to control process device；Reception antenna is used to strengthen connecing for RFID less radio-frequency receiver modules
Receipts ability；Car door lock is the executing agency in automobile remote-control entrance guard device, corresponding for being performed according to the order of control process device
Action.
The time set includes control process device, crystal oscillator.Wherein control process device is equally one has control
The single-chip minimum system of processing function processed, for instruct generation and reception, including receive automobile remote-control key and automobile it is distant
Control gate inhibition's shape refers to the work or the instruction that is stopped sent, and the vibration number for reading crystal oscillator calculates the time, according to the time
Generation clocking information is simultaneously transmitted；Crystal oscillator is a kind of common timing element of utilization piezo-electric effect manufacture, for control
Processor discrepancy timing electric signal.
It is the application model of this method shown in Fig. 2, when car owner presses the car locking button of automobile remote-control key, key device is produced
The corresponding car locking level signal of life, the control process device in automobile remote-control key to receive identify after this level signal is
Car locking button is triggered, then to wireless transmitter module transmission car locking ciphertext, while work order is sent to time set, then
Time set starts timing, and clocking information is transmitted to control process device, the car locking ciphertext that wireless transmitter module will be received
Radio signal is converted to, and by the backward emission of enhancing of transmitting antenna.If automobile remote-control gate inhibition is in this signal
In effective range, car locking radio signal can be obtained by reception antenna, then be turned this signal by wireless receiving module
Change car locking ciphertext into and be then forwarded to automobile remote-control gate inhibition's processing controller.Control process device can with automobile remote-control key encrypt it is close
Ciphertext is decrypted into literary method corresponding decipherment algorithm the car locking instruction that can be recognized, is then filled to the timing of automobile remote-control gate inhibition
Transmission work order is put, starts timing, while control process device assigns car locking to automobile door lock instructing.Now automobile remote-control key
Two time sets connected with automobile remote-control gate inhibition have begun to time synchronisation, and the clocking information at each moment is consistent
's.
When car owner presses the unlocking button of automobile remote-control key, key device produces corresponding unlocking level signal, automobile
Control process device in remote-control key can identify it is the triggering of unlocking button after receiving this level signal, will then unlock and believe
Number engage and encrypt with the clocking information in current control process device, then transmit unlocking ciphertext, ciphertext to wireless transmitter module
Amplified in the form of radio signals to emission by transmitting antenna by the conversion of wireless transmitter module.Automobile remote-control gate inhibition
Reception antenna this signal is received be then transmit to wireless receiving module and be converted into unlocking ciphertext, it is distant that ciphertext is transferred to automobile
Control access control processor is decrypted by decipherment algorithm, and then to judge whether clocking information matches errorless for control process device, with
Just can send unlock instruction to automobile door lock afterwards.
If automobile remote-control entrance guard device have received the unlocking signal of playback in this method, it will compare opening in signal
Lock instruction and clocking information, because signal is recorded from automobile remote-control key, then unlocking instruction must be correct, but
The action of recording signal must be occurred in the past, and the clocking information in this signal must be the clocking information of " expired ", lead to
Cross and contrast this clocking information and the current clocking information of automobile remote-control entrance guard device, it is ensured that automobile remote-control gate inhibition be not played out
Signal " deception ", can also be by judging that signal drawback lock is instructed and whether clocking information is all correctly to judge whether to be subject to
Replay Attack, alarm is made with this.
During the unlocking of automobile door control, remote-control key sends the time difference that unlocking signal receives signal with remote access control
Very little, so this method can select smaller timing cycle to strengthen the defence capability of Replay Attack.For example selection be within 1 second
Timing cycle, burglar can not possibly complete the recording and playback of signal in one second：As car owner beside automobile remote control vehicle locking, car owner
Necessarily also not away from automobile in 1 second, burglar cannot just steal car when car owner does not leave；When burglar is by stealthily by getting off
Main key records unlocking signal, and his position from the position of car owner to automobile needs the time for spending certain more than 1 second, so
Burglar also cannot in this way steal car.
The present invention is easy to implement, and application is strong, can well help automobile door control to resist Replay Attack.It is anti-in rolling code
It is present that maintaining method has been cracked, and the protection only based on timestamp is just effective.And subsequent development of the present invention is strong,
Into after the Internet of things era, automobile remote-control key and automobile remote-control entrance guard device need not all install time set additional, and they can be with
Temporal information directly is obtained from internet, therefore Research Prospects of the invention are very far-reaching.
Claims (4)
1. a kind of automobile door control remote-control key radio frequency Replay Attack system of defense based on timestamp, it is characterised in that the system
It includes an automobile remote-control key, and an automobile remote-control entrance guard device, two time sets, automobile remote-control key can be connected
Time set reads information, and automobile remote-control entrance guard device can also connect time set and read information, and automobile remote-control key may be used also
With with automobile remote-control access controller radio communication, the automobile remote-control key carry electric supply installation, control process device, button dress
Put, RFID wireless radio transmission modules, transmitting antenna, control process device is used to the generation for instructing and receives judge and internal number
According to treatment；Key device is connected with control process device, for the enabling of people intention of closing the door to be converted into level signal and is transferred to
Control process device；RFID wireless radio transmissions module be used for by the ciphertext received from control process device be converted to radio wave to
Outgoing is shot out；Transmitting antenna is used to strengthen the radio wave that RFID wireless radio transmission modules are launched, the automobile remote-control
Entrance guard device include electric supply installation, control process device, RFID less radio-frequency receiver modules, reception antenna, car door lock, wherein, supply
It is that whole automobile remote-control entrance guard device and other devices being attached thereto provide electric power support that electric installation is used for；Control process device
Equally it is a single-chip minimum system with control process function, the generation and reception for instructing judge and internal number
According to treatment；RFID less radio-frequencies receiver module is used to receive the radio wave sent from automobile remote-control key, and is translated into
Ciphertext is sent to control process device；Reception antenna is used to strengthen the receiving ability of RFID less radio-frequency receiver modules；Car door lock is
Executing agency in automobile remote-control entrance guard device, for performing corresponding actions according to the order of control process device.
2. the automobile door control remote-control key radio frequency Replay Attack system of defense of timestamp is based on according to claim 1, and it is special
Levy and be, the internal data treatment of the automobile remote-control key control process device includes receiving the order for judging that key device is produced
Level, the time set transmission work connected to automobile remote-control key or the order that is stopped, receive time set transmission
The combination of present timing information, sequence number and clocking information is generated with ciphertext, transmission ciphertext to transmitter module.
3. the automobile door control remote-control key radio frequency Replay Attack system of defense of timestamp is based on according to claim 1, and it is special
Levy and be, control process device portion's data processing of the automobile remote-control entrance guard device includes receiving automobile remote-control key from receiver module
The ciphertext that spoon is sent, the time set transmission work connected to automobile remote-control entrance guard device or the order that is stopped, receive meter
When device transmission present timing information, according to decipherment algorithm by ciphertext be decrypted into plain text, judge in plain text in sequence number and meter
When information correctness, to car door lock send unlock or instruction of locking.
4. a kind of automobile door control Replay Attack means of defence, it is characterised in that in automobile remote-control entrance guard device and automobile remote-control key
Install time set additional on spoon, detect car owner complete after car locking action automobile remote-control key and automobile remote-control entrance guard device simultaneously to
The time set for being installed additional assigns work order and starts timing, and time set will send to temporal information all the time
Automobile remote-control key and automobile remote-control entrance guard device, when automobile remote-control key detects car locking, driving in interior instruction button quilt
When pressing, the clocking information that the sequence number and time set that it can prestore inside are transmitted is combined and is encrypted to form ciphertext simultaneously
Launched by RFID wireless radio frequency modules, the RFID wireless radio frequency modules of automobile remote-control entrance guard device receive this ciphertext
Afterwards, it will decrypt plaintext with respective algorithms, and judge the correctness of sequence number therein and clocking information and then perform corresponding
Action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079852.8A CN106761052B (en) | 2017-02-15 | 2017-02-15 | A kind of automobile door control remote-control key radio frequency Replay Attack system of defense based on timestamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079852.8A CN106761052B (en) | 2017-02-15 | 2017-02-15 | A kind of automobile door control remote-control key radio frequency Replay Attack system of defense based on timestamp |
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| CN106761052B CN106761052B (en) | 2018-01-16 |
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Cited By (7)
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| CN109166218A (en) * | 2018-09-03 | 2019-01-08 | 北京航空航天大学 | A kind of automobile key means of communication based on time encryption |
| CN109286487A (en) * | 2017-07-19 | 2019-01-29 | 杭州海康威视数字技术股份有限公司 | The remote control method and system of a kind of electronic equipment |
| CN109639638A (en) * | 2018-11-08 | 2019-04-16 | 李平川 | A kind of command authority method of dynamic security |
| CN111147452A (en) * | 2019-12-10 | 2020-05-12 | 珠海格力电器股份有限公司 | Door lock instruction response method and device, door lock and storage medium |
| CN111147515A (en) * | 2019-12-31 | 2020-05-12 | 北京深思数盾科技股份有限公司 | Access control method and device |
| CN114333117A (en) * | 2021-12-30 | 2022-04-12 | 上海洛轲智能科技有限公司 | Radio frequency signal processing method, control terminal and computer readable storage medium |
| CN117315826A (en) * | 2023-10-12 | 2023-12-29 | 山东泽鹿安全技术有限公司 | Automobile key data interaction method and device |
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| CN109286487A (en) * | 2017-07-19 | 2019-01-29 | 杭州海康威视数字技术股份有限公司 | The remote control method and system of a kind of electronic equipment |
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| CN111147515A (en) * | 2019-12-31 | 2020-05-12 | 北京深思数盾科技股份有限公司 | Access control method and device |
| CN114333117A (en) * | 2021-12-30 | 2022-04-12 | 上海洛轲智能科技有限公司 | Radio frequency signal processing method, control terminal and computer readable storage medium |
| CN114333117B (en) * | 2021-12-30 | 2023-10-31 | 上海洛轲智能科技有限公司 | Radio frequency signal processing method, control terminal and computer readable storage medium |
| CN117315826A (en) * | 2023-10-12 | 2023-12-29 | 山东泽鹿安全技术有限公司 | Automobile key data interaction method and device |
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| Publication number | Publication date |
|---|---|
| CN106761052B (en) | 2018-01-16 |
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