CN109410375A - The switch locking method and its system of the passive electronic lock core of built-in security chip - Google Patents
The switch locking method and its system of the passive electronic lock core of built-in security chip Download PDFInfo
- Publication number
- CN109410375A CN109410375A CN201810997453.4A CN201810997453A CN109410375A CN 109410375 A CN109410375 A CN 109410375A CN 201810997453 A CN201810997453 A CN 201810997453A CN 109410375 A CN109410375 A CN 109410375A
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- China
- Prior art keywords
- signal
- key
- plaintext
- lock core
- unlocking
- 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
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- 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
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
-
- 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
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
-
- 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
- G07C9/00658—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys
-
- 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
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
- G07C2009/00412—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal being encrypted
Abstract
The invention discloses a kind of switch locking methods of the passive electronic lock core of built-in security chip, including plug body, key, and rotating mechanism of the rotation in plug body to unlock or shut, the following steps are included: rotation is driven by motor in rotating mechanism Step 1: being equipped with motor in key ontology；Step 2: being equipped with key power supply in key, key is plugged into electronic lock cylinder, and key power supply is safety chip power supply；Step 3: driving signal is sent to safety chip, control electrical power rotation by wired connection.There is provided a kind of passive electronic lock core switch lock system of built-in security chip, comprising: the interior signal connector connecting equipped with the signal input part connecting with key power supply, with signal input part and key power supply connects of key；Signal connector interface, the safety chip connecting with signal connector interface and the drive module connecting with safety chip are equipped in plug body.The present invention has the beneficial effect for improving electronic lock cylinder anti-theft performance.
Description
Technical field
The present invention relates to electronic lock fields.It is more particularly related to a kind of passive electronic of built-in security chip
The switch locking method and its system of lock core.
Background technique
The power supply with driving motor rotation in the plug body of electronic lock, stranger only need to know lock core in the prior art
The corresponding unlocking cipher of ontology, so that it may opening lock master easily, also, the mode of existing electronic lock input unlocking cipher is also
Wireless transmission method, criminal are easy to intercept and capture unlocking cipher, and are opened electronic lock by the way of wireless transmission, comprehensive
On, the anti-theft performance of current electronic lock cylinder is poor, and how to provide a kind of electronic lock cylinder that anti-theft performance is strong is those skilled in the art
It is worth considering.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of switch locking methods of the passive electronic lock core of built-in security chip, only
Key corresponding with plug body and the correct driving signal of input are taken, can unlock, significantly improve electronic lock
The anti-theft performance of core provides a kind of switch lock system of the passive electronic lock core of built-in security chip, driving signal may be implemented
Wire transmission, i.e., end-to-end direct transmission signal is more safe and reliable than wireless mode, can effectively reduce by lawless people cut
Obtain the probability of signal.
In order to realize these purposes and other advantages according to the present invention, a kind of passive electrical of built-in security chip is provided
The switch locking method of sub- lock core, electronic lock cylinder include plug body, key, and the rotation in plug body to unlock or
The rotating mechanism shut, comprising the following steps:
Step 1: being equipped with motor in the key ontology, rotation is driven by motor in the rotating mechanism；
Step 2: being provided with key power supply in the key, key is plugged into electronic lock cylinder, key power supply is safety
Chip power supply；
Step 3: driving signal is sent to safety chip, control electrical power rotation by wired connection.
Preferably, it is encrypted before driving signal to be carried out to wired connection transmission and is transmitted again, then safety chip exists
Be decrypted after receiving the driving signal of ciphertext, and again by the driving signal of the plaintext obtained after decryption in advance store
The driving signal that the driving signal and local representative that local representative is unlocked are shut is authenticated, if opened with local representative
The driving signal of lock is consistent, then controls electrical power, and rotating mechanism is driven to rotate towards the direction of unlocking, if with local generation
The driving signal that table is shut is consistent, then controls electrical power, and drives rotating mechanism towards the direction rotation shut.
Preferably, the driving signal includes the certification certificate of encrypted message and key, and the local representative is unlocked
Driving signal include unlocking cipher information and lock core certification certificate, the driving signal that the local representative is shut include close
The certification certificate of lock cipher information and lock core.
Preferably, further includes:
The method for obtaining driving signal, specifically:
Step 1: being sent to third party by being wirelessly connected after the first signal is encrypted, third party is close to receiving
First signal of text is decrypted, and obtains the first signal of plaintext, spare；
Step 2: being sent to third party by being wirelessly connected after second signal is encrypted, third party receives ciphertext
Second signal be decrypted, obtain the third signal of plaintext, it is spare；
Step 3: the second signal of the first signal of plaintext and plaintext is compared certification by third party, if plaintext
It is consistent that the signal of unlocking is represented in first signal and the second signal of plaintext, then nothing after generating unlocking instruction signal and being encrypted
Line be sent to issue the first signal transmitting terminal, the transmitting terminal to after the unlocking instruction decrypted signal of ciphertext to get arrive the drive
Dynamic signal, or:
If it is consistent to represent the signal shut in the first signal of plaintext and the second signal of plaintext, generation shuts instruction
Signal and Wireless transceiver to the transmitting terminal for issuing the first signal, the transmitting terminal shuts command signal solution to ciphertext after being encrypted
After close to get arrive the driving signal.
Preferably, first signal includes the certification certificate of encrypted message and key, is represented in the second signal
The signal of unlocking includes the certification certificate of unlocking cipher information and lock core, and it includes closing that the signal shut is represented in the second signal
The certification certificate of lock cipher information and lock core.
Preferably, it is encrypted before driving signal to be carried out to wired connection transmission and is transmitted again, then safety chip exists
Be decrypted after receiving the driving signal of ciphertext, and again by the driving signal of the plaintext obtained after decryption in advance store
Local unlocking instruction and local shut instruction and are authenticated, if the driving signal of plaintext is consistent with local unlocking instruction, control
Electrical power processed, and rotating mechanism is driven to rotate towards the direction of unlocking, if the driving signal of plaintext shuts instruction one with local
It causes, then controls electrical power, and drive rotating mechanism towards the direction rotation shut.
A kind of switch lock system of the passive electronic lock core of built-in security chip is provided, comprising:
It is equipped with the signal input part connecting with the key power supply in the key, is connect with the signal input part and institute
State the signal connector of key power supply connection, wherein the signal input part is for input drive signal and exports, the signal
Connector is used for output drive signal, and the electric energy for conveying key power supply；
The interior safety chip for being equipped with signal connector interface, being connect with the signal connector interface of the plug body,
And the drive module being connect with the safety chip, wherein
The signal connector interface is matched with the signal connector, when the key is inserted into the plug body,
The signal connector is connect with the signal connector interface, and the key power supply is safety chip power supply；
The safety chip is used to receive the driving signal of the signal connector output, and analyzes and determines that the driving is believed
Number, according to judging result, Xiang Suoshu drive module exports unlocking instruction or shuts instruction；
The drive module is used to receive unlocking instruction and controls electrical power and rotates towards the direction of unlocking, or receives and shut
It instructs and controls electrical power towards the direction rotation shut.
Preferably, the signal input part includes Password Input end and the key core that connect with the Password Input end
Piece, wherein the Password Input end is used to store the certification certificate of key for inputting encrypted message, the key chip, with
And for being encrypted and being exported the certification certificate of encrypted message and key, the key of the encrypted message and ciphertext of ciphertext is recognized
Card certificate constitutes the driving signal；
The safety chip stores unlocking cipher information in advance, shuts encrypted message and the certification certificate of lock core, described
Safety chip is used to decrypt the certification certificate of the key of the encrypted message and ciphertext of the ciphertext received, and the plaintext that will be obtained
Encrypted message and plaintext key certification certificate and unlocking cipher information, shut the authentication proof of encrypted message and lock core
Book is authenticated, then:
If the certification credentials match of the certification certificate and lock core of the key of plaintext, and the encrypted message of plaintext and unlocking would be close
Code information matches, then the safety chip exports unlocking instruction to the drive module；
If the key of plaintext certification certificate and lock core certification credentials match, and the encrypted message of plaintext with shut it is close
Code information matches, then the safety chip shuts instruction to drive module output.
Preferably, further includes:
The signal input part includes Password Input end and the key chip that connect with the Password Input end, wherein institute
Password Input end is stated for inputting encrypted message, the key chip is used to store the certification certificate of key, and being used for will be close
The certification certificate of code information and key is encrypted and is exported, certification certificate, that is, structure of the key of the encrypted message and ciphertext of ciphertext
At first signal；
The safety chip stores local unlocking instruction in advance, locally shuts instruction, unlocking cipher information, shuts password
The certification certificate of information and lock core, the safety chip by unlocking cipher information, shut recognizing for encrypted message and lock core
Card certificate exports after being encrypted, and the unlocking cipher information of ciphertext, the lock core for shutting encrypted message and ciphertext of ciphertext are recognized
It demonstrate,proves certificate and constitutes the second signal；
Background server, with the key chip and the equal communication connection of the safety chip, the background server is used
It the first signal and the second signal and is decrypted in receiving, and by the authentication proof of the encrypted message of obtained plaintext and the key of plaintext
The unlocking cipher information of book and plaintext, plaintext the certification certificate of the lock core for shutting encrypted message and plaintext authenticated,
Then,
If the key of plaintext certification certificate and plaintext lock core certification credentials match, and the encrypted message of plaintext with
The unlocking cipher information matches of plaintext, then the background server dual lock instruction encryption, and it is close to key chip output
The unlocking instruction of text；
If the key of plaintext certification certificate and plaintext lock core certification credentials match, and the encrypted message of plaintext with
Plaintext shuts encrypted message matching, then the background server is encrypted to instruction is shut, and close to key chip output
Text shuts instruction；
The key chip to the unlocking instruction of the ciphertext received or ciphertext shut instruction decryption after obtain plaintext
Unlocking instruction or plaintext shut instruction, and the instruction that shuts of the unlocking instruction of the plaintext or plaintext constitutes the driving and believes
Number；
The safety chip authenticates compared with the driving signal received is shut instruction with local unlocking instruction and local, such as
Fruit driving signal is matched with local unlocking instruction, then the safety chip exports unlocking instruction to the drive module, if driven
Dynamic signal shuts instructions match with local, then the safety chip shuts instruction to drive module output.
The present invention is include at least the following beneficial effects:
The first, only when key is plugged into plug body, key power supply and safety chip are connected, and are supplied for safety chip
Electricity activates safety chip, and safety chip can receive and transmit signal at this time, and at this point, if being unaware of plug body just
True driving signal, although having activated safety chip, similarly can not opening lock master ontology easily, using key power supply and drive
Dynamic signal double shield, improves the anti-theft performance of electronic lock cylinder.
The second, driving signal is transmitted using wired transmission mode, i.e., end-to-end direct transmission signal, more than wireless mode
Add securely and reliably, can effectively reduce by the probability of lawless people intercepted signal.
Third transmits again after encrypting to driving signal, if driving signal in transmit process, even if by not legal person
Member intercepts and captures, that can only also directly obtain the driving signal of ciphertext, to know the correct driving signal of plug body, it is also necessary to
The driving signal of ciphertext is decrypted, it is well known that decryption just needs to take corresponding decryption key, so further mentions
The high anti-theft performance of electronic lock cylinder.
4th, each key has the certification certificate of unique key, and each plug body has recognizes with key
Demonstrate,prove the certification certificate of the one-to-one lock core of certificate, the knot of the tooth when certification certificate of key is like the unlocking of traditional key
Close, the certification certificate of lock core is like and the combination of the matched groove of the combination of these teeth, and encrypted message can be user oneself
Row setting string number, letter, text or its combination, that is to say, that even if having face shaping it is the same have key electricity
The key in source can not also unlock even if knowing the cipher information, further improve the anti-theft performance of electronic lock cylinder.
5th, a kind of acquisition methods of driving signal are provided, is obtained by increasing third-party processing, even if not legal person
Member knows the first signal, contacts if it can not be obtained with third-party, the first signal processing is acquired driving signal,
It is difficult to realize unlocking function, further improves the anti-theft performance of electronic lock cylinder.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the overall flow figure of the one of technical solution of the present invention；
Fig. 2 is the flow diagram of the one of technical solution of the present invention；
Fig. 3 is the flow chart of the driving signal acquisition methods of the one of technical solution of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
It should be noted that in the description of the present invention, the orientation or positional relationship of the instructions such as term "inner", "outside" is base
It in orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, is not indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.
As shown in Figures 1 to 3, the present invention provides a kind of switch locking method of the passive electronic lock core of built-in security chip, electricity
Sub- lock core includes plug body, key, and rotating mechanism of the rotation to unlock or shut in plug body, including with
Lower step:
Step 1: being equipped with motor in the key ontology, rotation is driven by motor in the rotating mechanism；
Step 2: being provided with key power supply in the key, key is plugged into electronic lock cylinder, key power supply is safety
Chip power supply；
Step 3: driving signal is sent to safety chip, control electrical power rotation by wired connection.
In the above-mentioned technical solutions, if key is not plugged into electronic lock cylinder, safety chip is in crash state, cannot
Receive and transmit any signal, that is to say, that though stranger in the correct driving signal for knowing plug body, if do not had
With the key of plug body cooperation, equally can not opening lock master ontology easily, improve the anti-theft performance of electronic lock cylinder, only
Have when key is plugged into plug body, key power supply and safety chip are connected, and are powered for safety chip, are activated safe core
Piece, safety chip can receive and transmit signal at this time, and at this point, if being unaware of the correct driving signal of plug body,
Although having activated safety chip, similarly can not opening lock master ontology easily, therefore the technical program is using key power supply
With driving signal double shield, the anti-theft performance of electronic lock cylinder is improved.
In addition, using wired transmission mode transmission driving signal, i.e., end-to-end direct transmission signal, more than wireless mode
Add securely and reliably, can effectively reduce by the probability of lawless people intercepted signal.
Driving signal can be is arranged touch screen and the software and hardware with touch screen cooperation on key or plug body,
Realization inputs driving signal, and the loader etc. with key in kind can also be arranged on key or plug body and combine, with
Safety chip wired connection is used for input drive signal, and touch screen etc., which is realized, is sent to safety by wired connection for driving signal
There are many kinds of the modes of chip, such asSerial communication interface, divide by electrical standard and agreement including RS-232-C, RS-422,
RS485, USB, the selection of safety chip also has very much, such as power supply control chip, such as LM2576S-ADJ, wherein touches
Screen, how to connect work with hardware and software, the loader with key in kind etc. that touch screen cooperates, chip can receive letter
Number, send signal, control power supply switches on and off, belong to the prior art, be not specifically described herein.
In another technical solution, is encrypted before driving signal to be carried out to wired connection transmission and transmitted again, then
Safety chip is decrypted after the driving signal for receiving ciphertext, and again by the driving signal of the plaintext obtained after decryption with
The driving signal that the driving signal and local representative that the local representative stored in advance is unlocked are shut is authenticated, if with this
The driving signal that the representative on ground is unlocked is consistent, then controls electrical power, and rotating mechanism is driven to rotate towards the direction of unlocking, if
It is consistent with the driving signal that local representative is shut, then electrical power is controlled, and drive rotating mechanism towards the direction rotation shut.
In the above-mentioned technical solutions, transmitted again after being encrypted to driving signal, if driving signal in transmit process,
Even if being intercepted and captured by lawless people, that can only also directly obtain the driving signal of ciphertext, to know the correct drive of plug body
Dynamic signal, it is also necessary to which the driving signal of ciphertext is decrypted, it is well known that decryption just needs to take corresponding decryption key,
The anti-theft performance of electronic lock cylinder is so further improved, how encrypting and decrypting is carried out to signal and belongs to the prior art, herein
It is not specifically described.
In another technical solution, the driving signal includes the certification certificate of encrypted message and key, the local
Representative unlock driving signal include unlocking cipher information and lock core certification certificate, the driving that the local representative is shut
Signal includes the certification certificate for shutting encrypted message and lock core.Each key has the certification certificate of unique key, often
A plug body has the certification certificate with the certification one-to-one lock core of certificate of key, and the certification certificate of key is like to pass
Unite key unlocking when tooth combination, the certification certificate of lock core is like and the combination of the matched groove of the combination of these teeth,
And encrypted message can be string number, letter, text or its combination of user's self-setting, that is to say, that even if having outer
Seeing the equiform key with key power supply can not also unlock even if knowing the cipher information, further improve electronic lock
The anti-theft performance of core.
In another technical solution, further includes:
The method for obtaining driving signal, specifically:
Step 1: being sent to third party by being wirelessly connected after the first signal is encrypted, third party is close to receiving
First signal of text is decrypted, and obtains the first signal of plaintext, spare, rather than directly sends the first signal to safe core
Piece；
Step 2: being sent to third party by being wirelessly connected after second signal is encrypted, third party receives ciphertext
Second signal be decrypted, obtain the third signal of plaintext, it is spare, rather than directly matched with second signal；
Step 3: the second signal of the first signal of plaintext and plaintext is compared certification by third party, if plaintext
It is consistent that the signal of unlocking is represented in first signal and the second signal of plaintext, then nothing after generating unlocking instruction signal and being encrypted
Line be sent to issue the first signal transmitting terminal, the transmitting terminal to after the unlocking instruction decrypted signal of ciphertext to get arrive the drive
Dynamic signal, or:
If it is consistent to represent the signal shut in the first signal of plaintext and the second signal of plaintext, generation shuts instruction
Signal and Wireless transceiver to the transmitting terminal for issuing the first signal, the transmitting terminal shuts command signal solution to ciphertext after being encrypted
After close to get arrive the driving signal.
In the above-mentioned technical solutions, a kind of acquisition methods of driving signal are provided, are obtained by increasing third-party processing
, even if lawless people knows the first signal, contacted if it can not be obtained with third-party, the first signal processing is obtained
To driving signal, and it is difficult to realize unlocking function, further improves the anti-theft performance of electronic lock cylinder.
In another technical solution, first signal includes the certification certificate of encrypted message and key, and described second
The signal that unlocking is represented in signal includes the certification certificate of unlocking cipher information and lock core, and representative is shut in the second signal
Signal includes the certification certificate for shutting encrypted message and lock core.Each key has the certification certificate of unique key, often
A plug body has the certification certificate with the certification one-to-one lock core of certificate of key, and the certification certificate of key is like to pass
Unite key unlocking when tooth combination, the certification certificate of lock core is like and the combination of the matched groove of the combination of these teeth,
And it unlocking cipher information and shuts encrypted message and can be the string number of user's self-setting, letter, text or its knot
It closes, that is to say, that even if the key with key power supply for having face shaping the same can not even if knowing unlocking cipher information yet
It unlocks, further improves the anti-theft performance of electronic lock cylinder.
In another technical solution, is encrypted before driving signal to be carried out to wired connection transmission and transmitted again, then
Safety chip is decrypted after the driving signal for receiving ciphertext, and again by the driving signal of the plaintext obtained after decryption with
The local unlocking instruction and local stored in advance shuts instruction and is authenticated, if the driving signal of plaintext and local unlocking instruction
Unanimously, then electrical power is controlled, and rotating mechanism is driven to rotate towards the direction of unlocking, if the driving signal of plaintext and local pass
Lock instruction is consistent, then controls electrical power, and drives rotating mechanism towards the direction rotation shut.
In the above-mentioned technical solutions, transmitted again after being encrypted to driving signal, if driving signal in transmit process,
Even if being intercepted and captured by lawless people, that can only also directly obtain the driving signal of ciphertext, to know the correct drive of plug body
Dynamic signal, it is also necessary to which the driving signal of ciphertext is decrypted, it is well known that decryption just needs to take corresponding decryption key,
The anti-theft performance of electronic lock cylinder is so further improved, how encrypting and decrypting is carried out to signal and belongs to the prior art, herein
It is not specifically described.
The present invention also provides a kind of switch lock systems of the passive electronic lock core of built-in security chip, comprising:
It is equipped with the signal input part connecting with the key power supply in the key, is connect with the signal input part and institute
State the signal connector of key power supply connection, wherein the signal input part is for input drive signal and exports, the signal
Connector is used for output drive signal, and the electric energy for conveying key power supply；
The interior safety chip for being equipped with signal connector interface, being connect with the signal connector interface of the plug body,
And the drive module being connect with the safety chip, wherein
The signal connector interface is matched with the signal connector, when the key is inserted into the plug body,
The signal connector is connect with the signal connector interface, and the key power supply is safety chip power supply；
The safety chip is used to receive the driving signal of the signal connector output, and analyzes and determines that the driving is believed
Number, according to judging result, Xiang Suoshu drive module exports unlocking instruction or shuts instruction；
The drive module is used to receive unlocking instruction and controls electrical power and rotates towards the direction of unlocking, or receives and shut
It instructs and controls electrical power towards the direction rotation shut.
In the above-mentioned technical solutions, after key is plugged to plug body, synchronous signal connector is plugged on signal connector
On interface, connect, locking power supply at this time is that safety chip is powered, activation safety chip, then from signal input part input drive signal,
Driving signal is sent to safety chip by signal connector, signal connector interface, realizes wired transmission, then safety chip
Driving signal is analyzed and determined, and according to judging result, Xiang Suoshu drive module exports unlocking instruction or shuts instruction, from
And realize and unlock and shut, using key power supply and driving signal double shield, the anti-theft performance of electronic lock cylinder is improved, using having
The transmission mode of line transmits driving signal, i.e., end-to-end direct transmission signal is more safe and reliable than wireless mode, can effectively drop
The low probability by lawless people intercepted signal；
Wherein, signal input part can be is arranged touch screen and the software and hardware with touch screen cooperation on key, real
Now driving signal is inputted, loader with key in kind etc. can also be set on key and combined, signal connector can be with
It isSerial communication interface, for example RS-232-C, RS-422, RS485 or USB, the selection of safety chip and drive module also have very
It is more, such as power supply control chip, such as LM2576S-ADJ, wherein touch screen, has in fact the hardware and software cooperated with touch screen
How loader of object key etc. connects work, chip can receive signal, send signal, control the switching on and off of power supply,
Change to the positive and negative pole tension of motor input and belong to the prior art, is not specifically described herein.
In another technical solution, the signal input part includes Password Input end and connect with the Password Input end
Key chip, wherein for inputting encrypted message, the key chip is used to store the certification of key at the Password Input end
Certificate, and for being encrypted and being exported the certification certificate of encrypted message and key, the encrypted message of ciphertext and ciphertext
The certification certificate of key constitutes the driving signal；
The safety chip stores unlocking cipher information in advance, shuts encrypted message and the certification certificate of lock core, described
Safety chip is used to decrypt the certification certificate of the key of the encrypted message and ciphertext of the ciphertext received, and the plaintext that will be obtained
Encrypted message and plaintext key certification certificate and unlocking cipher information, shut the authentication proof of encrypted message and lock core
Book is authenticated, then:
If the certification credentials match of the certification certificate and lock core of the key of plaintext, and the encrypted message of plaintext and unlocking would be close
Code information matches, then the safety chip exports unlocking instruction to the drive module；
If the key of plaintext certification certificate and lock core certification credentials match, and the encrypted message of plaintext with shut it is close
Code information matches, then the safety chip shuts instruction to drive module output.
In the above-mentioned technical solutions, by the certification of encrypted message and the key for being stored in key core that Password Input end inputs
Driving signal is collectively formed in certificate, increases the complexity of driving signal, and transmits again after encrypting, then if driving signal is passing
During sending, even if being intercepted and captured by lawless people, that can only also directly obtain the driving signal of ciphertext, to know plug body
Correct driving signal, it is also necessary to which the driving signal of ciphertext is decrypted, it is well known that decryption just needs to take corresponding solution
Close key so further improves the anti-theft performance of electronic lock cylinder.
In another technical solution, further includes:
The signal input part includes Password Input end and the key chip that connect with the Password Input end, wherein institute
Password Input end is stated for inputting encrypted message, the key chip is used to store the certification certificate of key, and being used for will be close
The certification certificate of code information and key is encrypted and is exported, certification certificate, that is, structure of the key of the encrypted message and ciphertext of ciphertext
At first signal；
The safety chip stores local unlocking instruction in advance, locally shuts instruction, unlocking cipher information, shuts password
The certification certificate of information and lock core, the safety chip by unlocking cipher information, shut recognizing for encrypted message and lock core
Card certificate exports after being encrypted, and the unlocking cipher information of ciphertext, the lock core for shutting encrypted message and ciphertext of ciphertext are recognized
It demonstrate,proves certificate and constitutes the second signal；
Background server, with the key chip and the equal communication connection of the safety chip, the background server is used
It the first signal and the second signal and is decrypted in receiving, and by the authentication proof of the encrypted message of obtained plaintext and the key of plaintext
The unlocking cipher information of book and plaintext, plaintext the certification certificate of the lock core for shutting encrypted message and plaintext authenticated,
Then,
If the key of plaintext certification certificate and plaintext lock core certification credentials match, and the encrypted message of plaintext with
The unlocking cipher information matches of plaintext, then the background server dual lock instruction encryption, and it is close to key chip output
The unlocking instruction of text；
If the key of plaintext certification certificate and plaintext lock core certification credentials match, and the encrypted message of plaintext with
Plaintext shuts encrypted message matching, then the background server is encrypted to instruction is shut, and close to key chip output
Text shuts instruction；
The key chip to the unlocking instruction of the ciphertext received or ciphertext shut instruction decryption after obtain plaintext
Unlocking instruction or plaintext shut instruction, and the instruction that shuts of the unlocking instruction of the plaintext or plaintext constitutes the driving and believes
Number；
The safety chip authenticates compared with the driving signal received is shut instruction with local unlocking instruction and local, such as
Fruit driving signal is matched with local unlocking instruction, then the safety chip exports unlocking instruction to the drive module, if driven
Dynamic signal shuts instructions match with local, then the safety chip shuts instruction to drive module output.
In the above-mentioned technical solutions, driving signal is obtained by increasing the processing of background server, even if lawless people obtains
The first signal of cicada contacts with background server if it can not be obtained, the first signal processing is acquired driving signal,
It is difficult to realize unlocking function, further improves the anti-theft performance of electronic lock cylinder.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (9)
1. the switch locking method of the passive electronic lock core of built-in security chip, electronic lock cylinder includes plug body, key, Yi Jiwei
In rotating mechanism of the rotation in plug body to unlock or shut, which comprises the following steps:
Step 1: being equipped with motor in the key ontology, rotation is driven by motor in the rotating mechanism；
Step 2: being provided with key power supply in the key, key is plugged into electronic lock cylinder, key power supply is safety chip
Power supply；
Step 3: driving signal is sent to safety chip, control electrical power rotation by wired connection.
2. the switch locking method of the passive electronic lock core of built-in security chip as described in claim 1, which is characterized in that inciting somebody to action
It is encrypted before driving signal progress wired connection transmission and is transmitted again, then safety chip is after receiving the driving signal of ciphertext
It is decrypted, and again believes the driving that the driving signal of the plaintext obtained after decryption is unlocked with the local representative stored in advance
Number and the driving signal that shuts of local representative authenticated, if consistent with the driving signal that local representative is unlocked, control
Electrical power processed, and rotating mechanism is driven to rotate towards the direction of unlocking, if consistent with the driving signal that local representative is shut,
Electrical power is then controlled, and drives rotating mechanism towards the direction rotation shut.
3. the switch locking method of the passive electronic lock core of built-in security chip as claimed in claim 2, which is characterized in that described
Driving signal includes the certification certificate of encrypted message and key, and the driving signal that the local representative is unlocked includes unlocking cipher
The certification certificate of information and lock core, the driving signal that the local representative is shut include shutting the certification of encrypted message and lock core
Certificate.
4. the switch locking method of the passive electronic lock core of built-in security chip as described in claim 1, which is characterized in that also wrap
It includes:
The method for obtaining driving signal, specifically:
Step 1: be sent to third party by being wirelessly connected after the first signal is encrypted, third party is to receiving ciphertext
First signal is decrypted, and obtains the first signal of plaintext, spare；
Step 2: be sent to third party by being wirelessly connected after second signal is encrypted, third party receives the of ciphertext
Binary signal is decrypted, and obtains the third signal of plaintext, spare；
Step 3: the second signal of the first signal of plaintext and plaintext is compared certification by third party, if the first of plaintext
It is consistent that the signal of unlocking is represented in signal and the second signal of plaintext, then generates unlocking instruction signal and wirelessly pass after being encrypted
It send to the transmitting terminal for issuing the first signal, which believes to get to the driving after the unlocking instruction decrypted signal of ciphertext
Number, or:
If it is consistent to represent the signal shut in the first signal of plaintext and the second signal of plaintext, generation shuts command signal
And Wireless transceiver to the transmitting terminal for issuing the first signal, the transmitting terminal shuts command signal decryption to ciphertext after being encrypted
Afterwards to get arrive the driving signal.
5. the switch locking method of the passive electronic lock core of built-in security chip as claimed in claim 4, which is characterized in that described
First signal includes the certification certificate of encrypted message and key, and the signal that unlocking is represented in the second signal includes unlocking cipher
The certification certificate of information and lock core, representing the signal shut in the second signal includes the certification for shutting encrypted message and lock core
Certificate.
6. the switch locking method of the passive electronic lock core of built-in security chip as claimed in claim 5, which is characterized in that inciting somebody to action
It is encrypted before driving signal progress wired connection transmission and is transmitted again, then safety chip is after receiving the driving signal of ciphertext
It is decrypted, and again shuts the driving signal of the plaintext obtained after decryption with the local unlocking instruction stored in advance and locally
Instruction is authenticated, if the driving signal of plaintext is consistent with local unlocking instruction, controls electrical power, and drive rotating machine
Structure is rotated towards the direction of unlocking, if the driving signal of plaintext and local shut instruct unanimously, controls electrical power, and drive
Rotating mechanism is rotated towards the direction shut.
7. the switch lock system of the passive electronic lock core based on built-in security chip described in claim 1, which is characterized in that packet
It includes:
It is equipped with the signal input part connecting with the key power supply in the key, is connect with the signal input part and the lock
The signal connector of spoon power supply connection, wherein the signal input part is for input drive signal and exports, the signal connection
Device is used for output drive signal, and the electric energy for conveying key power supply；
In the plug body equipped with signal connector interface, the safety chip being connect with the signal connector interface and
The drive module being connect with the safety chip, wherein
The signal connector interface is matched with the signal connector, described when the key is inserted into the plug body
Signal connector is connect with the signal connector interface, and the key power supply is safety chip power supply；
The safety chip is used to receive the driving signal of the signal connector output, and analyzes and determines the driving signal, root
It is judged that as a result, exporting unlocking instruction to the drive module or shutting instruction；
The drive module is used to receive unlocking instruction and controls electrical power and rotates towards the direction of unlocking, or receives and shut instruction
And electrical power is controlled towards the direction rotation shut.
8. the switch lock system of the passive electronic lock core of built-in security chip as claimed in claim 7, which is characterized in that described
Signal input part includes Password Input end and the key chip that connect with the Password Input end, wherein the Password Input end
For inputting encrypted message, the key chip is used to store the certification certificate of key, and is used for encrypted message and key
Certification certificate encrypted and exported, the certification certificate of the key of the encrypted message and ciphertext of ciphertext, which constitutes the driving, to be believed
Number；
The safety chip stores unlocking cipher information in advance, shuts encrypted message and the certification certificate of lock core, the safety
Chip is used to decrypt the certification certificate of the key of the encrypted message and ciphertext of the ciphertext received, and by the close of obtained plaintext
Certification certificate and the unlocking cipher information of the key of code information and plaintext, shut the certification certificate of encrypted message and lock core into
Row certification, then:
If the certification credentials match of the certification certificate and lock core of the key of plaintext, and the encrypted message of plaintext and unlocking cipher would be believed
Breath matching, then the safety chip exports unlocking instruction to the drive module；
If the certification credentials match of the certification certificate and lock core of the key of plaintext, and the encrypted message of plaintext and would shut message in cipher
Breath matching, then the safety chip shuts instruction to drive module output.
9. the switch lock system of the passive electronic lock core of built-in security chip as claimed in claim 7, which is characterized in that also wrap
It includes:
The signal input part includes Password Input end and the key chip that connect with the Password Input end, wherein described close
For code input terminal for inputting encrypted message, the key chip is used to store the certification certificate of key, and is used for message in cipher
The certification certificate of breath and key is encrypted and is exported, and the certification certificate of the key of the encrypted message and ciphertext of ciphertext constitutes institute
State the first signal；
The safety chip stores local unlocking instruction in advance, locally shuts instruction, unlocking cipher information, shuts message in cipher
The certification certificate of breath and lock core, the safety chip by unlocking cipher information, shut the certification of encrypted message and lock core
Certificate exports after being encrypted, the certification of the unlocking cipher information, the lock core for shutting encrypted message and ciphertext of ciphertext of ciphertext
Certificate constitutes the second signal；
Background server, with the key chip and the equal communication connection of the safety chip, the background server is for connecing
Receive the first signal and the second signal simultaneously decrypt, and by the certification certificate of the encrypted message of obtained plaintext and the key of plaintext with
The unlocking cipher information of plaintext, the certification certificate of the lock core for shutting encrypted message and plaintext of plaintext are authenticated, then,
If the certification credentials match of the lock core of the certification certificate and plaintext of the key of plaintext, and the encrypted message of plaintext and plaintext
Unlocking cipher information matches, then background server dual lock instruction encryption, and to key chip output ciphertext
Unlocking instruction；
If the certification credentials match of the lock core of the certification certificate and plaintext of the key of plaintext, and the encrypted message of plaintext and plaintext
Shut encrypted message matching, then the background server is to shutting instruction encryption, and to key chip output ciphertext
Shut instruction；
The key chip to the unlocking instruction of the ciphertext received or ciphertext shut instruction decryption after obtain the unlocking of plaintext
Instruction or plaintext shut instruction, and the shutting to instruct of the unlocking instruction of the plaintext or plaintext constitutes the driving signal；
The safety chip authenticates compared with the driving signal received is shut instruction with local unlocking instruction and local, if driven
Dynamic signal is matched with local unlocking instruction, then the safety chip exports unlocking instruction to the drive module, if driving letter
Number instructions match is shut with local, then the safety chip shuts instruction to drive module output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810997453.4A CN109410375A (en) | 2018-08-29 | 2018-08-29 | The switch locking method and its system of the passive electronic lock core of built-in security chip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810997453.4A CN109410375A (en) | 2018-08-29 | 2018-08-29 | The switch locking method and its system of the passive electronic lock core of built-in security chip |
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| CN109410375A true CN109410375A (en) | 2019-03-01 |
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