CN110570561A - Unlocking method and system based on NFC electronic lock - Google Patents
Unlocking method and system based on NFC electronic lock Download PDFInfo
- Publication number
- CN110570561A CN110570561A CN201910780388.4A CN201910780388A CN110570561A CN 110570561 A CN110570561 A CN 110570561A CN 201910780388 A CN201910780388 A CN 201910780388A CN 110570561 A CN110570561 A CN 110570561A
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- China
- Prior art keywords
- electronic lock
- nfc
- terminal
- nfc electronic
- unlocking
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- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000005516 engineering process Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0091—Retrofittable electric locks, e.g. an electric module can be attached to an existing manual lock
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention relates to the technical field of locks, and discloses an unlocking method based on an NFC electronic lock, which comprises the following steps: s1, establishing communication connection between the terminal and the NFC electronic lock; s2, the NFC electronic lock verifies the identity of the terminal, and if the terminal is a legal identity, the NFC electronic lock sends the ID of the NFC electronic lock to the terminal; s3, the terminal sends the ID of the NFC electronic lock and an unlocking instruction configured with unlocking information to a background server; s4, the background server receives the ID of the NFC electronic lock and an unlocking instruction configured with unlocking information; encrypting by adopting an encryption algorithm corresponding to the ID of the NFC electronic lock to obtain an encrypted ciphertext, and sending the encrypted ciphertext to the terminal; s5, the terminal sends the encrypted ciphertext to the NFC electronic lock; s6, the NFC electronic lock decrypts the encrypted ciphertext by adopting a decryption algorithm corresponding to the ID of the NFC electronic lock to obtain unlocking information; executing unlocking operation according to the unlocking information; the unlocking mode with high safety is created, and the safe unlocking requirement of a user can be met.
Description
Technical Field
the invention relates to the technical field of locks, in particular to an unlocking method based on an NFC electronic lock.
Background
in the intelligent age, people's lives can be said to be ubiquitous and inexorable, and they have become increasingly dense with our lives. Therefore, under the background of the times, the intelligent door lock gradually goes into the field of vision of people along with the development of intelligent home. Besides convenience, safety of the electronic lock is also one of important factors for people to select the electronic lock; the existing electronic lock has various unlocking modes, such as fingerprint unlocking, password unlocking and mobile phone unlocking; however, the existing unlocking mode is not high in security, for example, when the unlocking is performed by adopting a mobile phone unlocking mode, the background server mostly adopts the same encryption key to encrypt the unlocking instruction, and a plurality of electronic locks associated with the background server also adopt the same decryption key to decrypt the unlocking instruction; when the decryption key of one electronic lock is stolen or lost, the security of other electronic locks is greatly challenged, and great potential safety hazards exist.
Disclosure of Invention
The invention aims to provide an unlocking method based on an NFC electronic lock and an electronic lock system based on an NFC technology, and aims to solve the problem that the electronic lock in the prior art is not high in safety.
The invention is realized in such a way, and in a first aspect, the invention provides an unlocking method based on an NFC electronic lock, which comprises the following steps:
S1, establishing communication connection between the terminal and the NFC electronic lock;
S2, the NFC electronic lock verifies the identity of the terminal, and if the terminal is a legal identity, the NFC electronic lock sends the ID of the NFC electronic lock to the terminal;
s3, the terminal sends the ID of the NFC electronic lock and an unlocking instruction configured with unlocking information to a background server;
s4, the background server receives the ID of the NFC electronic lock and an unlocking instruction configured with unlocking information; encrypting by adopting an encryption algorithm corresponding to the ID of the NFC electronic lock to obtain an encrypted ciphertext, and sending the encrypted ciphertext to the terminal;
s5, the terminal sends the encrypted ciphertext to the NFC electronic lock;
s6, the NFC electronic lock decrypts the encrypted ciphertext by adopting a decryption algorithm corresponding to the ID of the NFC electronic lock to obtain unlocking information; and executing unlocking operation according to the unlocking information.
Further, the NFC electronic lock is provided with a first NFC unit, and the terminal is provided with a second NFC unit; and the NFC electronic lock is in communication connection with the terminal through the communication connection between the first NFC unit and the second NFC unit.
furthermore, the terminal is in wireless communication connection with the background server through one or more of a GPRS module, a Bluetooth module and a Wi-Fi module.
In a second aspect, the invention provides an electronic lock system based on an NFC technology, which includes an NFC electronic lock, a terminal, and a background server; the NFC electronic lock comprises a first NFC unit, the terminal comprises a second NFC unit, and the communication connection between the first NFC unit and the second NFC unit realizes the communication connection between the NFC electronic lock and the terminal;
the terminal is used for establishing communication connection with the NFC electronic lock and acquiring the ID of the NFC electronic lock; sending the ID of the NFC electronic lock and an unlocking instruction configured with unlocking information to the background server;
The background server is used for establishing communication connection with the terminal and receiving the ID of the NFC electronic lock sent by the terminal and an unlocking instruction configured with unlocking information; encrypting by adopting an encryption algorithm corresponding to the ID of the NFC electronic lock to obtain an encrypted ciphertext, sending the encrypted ciphertext to the terminal, and then sending the encrypted ciphertext to the NFC electronic lock by the terminal;
the NFC electronic lock receives the encrypted ciphertext and decrypts the encrypted ciphertext by adopting a decryption algorithm corresponding to the ID of the NFC electronic lock to obtain unlocking information; and executing unlocking operation according to the unlocking information.
furthermore, the NFC electronic lock further comprises a single chip microcomputer for receiving unlocking information, a motor electrically connected with the single chip microcomputer, a driving mechanism and a lock tongue; the single chip microcomputer controls the rotation of the motor according to unlocking information, the rotation of the motor drives the driving mechanism to move, and the movement of the driving mechanism drives the lock tongue to be pulled in or pulled out.
further, the NFC electronic lock further comprises a latch bolt, a rotatable handle and a transmission structure; the handle is in transmission connection with the latch bolt through the transmission structure; when external force is applied to rotate the handle, the rotation of the handle drives the latch bolt to be pulled in or pulled out through the transmission of the transmission structure.
Furthermore, the NFC electronic lock further comprises a lock cylinder for inserting a mechanical key, and the lock cylinder is in transmission connection with the lock tongue; when the mechanical key is inserted into the lock cylinder and rotates the mechanical key, the rotation of the mechanical key drives the lock cylinder to rotate, and the rotation of the lock cylinder drives the lock tongue to be pulled in or pulled out.
Furthermore, the terminal is in wireless communication connection with the background server through one or more of a GPRS module, a Bluetooth module and a Wi-Fi module.
compared with the prior art, on the first aspect, the unlocking method based on the NFC electronic lock provided by the invention creates an unlocking mode with high safety, can meet the safe unlocking requirement of a user, and provides great convenience for the user; in a second aspect, the electronic lock system based on the NFC technology provided by the invention is high in safety, is not easy to crack, and brings convenience to users.
Drawings
Fig. 1 is a schematic flowchart of an unlocking method based on an NFC electronic lock according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of an electronic lock system based on NFC technology according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an NFC electronic lock according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
the same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
as shown in fig. 1, in one embodiment, an unlocking method of an NFC-based electronic lock is provided, which includes:
And S1, the terminal establishes communication connection with the NFC electronic lock.
And S2, the NFC electronic lock verifies the identity of the terminal, and if the terminal is a legal identity, the NFC electronic lock sends the ID of the NFC electronic lock to the terminal.
And S3, the terminal sends the ID of the NFC electronic lock and the unlocking instruction configured with the unlocking information to a background server.
It should be noted that the unlocking information includes when the lock is unlocked and what time the lock is unlocked.
S4, the background server receives the ID of the NFC electronic lock and an unlocking instruction configured with unlocking information; and encrypting by adopting an encryption algorithm corresponding to the ID of the NFC electronic lock to obtain an encrypted ciphertext, and sending the encrypted ciphertext to the terminal.
the method comprises the following steps that a background server is associated with a plurality of NFC electronic locks, and the background server is allocated with a set of unique encryption algorithm for each NFC electronic lock associated with the background server; therefore, even if the encryption algorithm of one NFC electronic lock is stolen, the safety of other NFC electronic locks cannot be influenced.
and S5, the terminal sends the encrypted ciphertext to the NFC electronic lock.
S6, the NFC electronic lock decrypts the encrypted ciphertext by adopting a decryption algorithm corresponding to the ID of the NFC electronic lock to obtain unlocking information; and executing unlocking operation according to the unlocking information.
It should be noted that each NFC electronic lock has a set of unique decryption algorithms for decrypting the corresponding encryption algorithm, thereby obtaining unlocking information; therefore, even if the decryption algorithm of one NFC electronic lock is stolen or leaked, the safety of other NFC electronic locks cannot be influenced; the safety of the NFC electronic lock is further improved.
The unlocking method based on the NFC electronic lock provided by the invention creates an unlocking mode with high safety, can meet the safe unlocking requirement of a user, and provides great convenience for the user.
Furthermore, the NFC electronic lock is provided with a first NFC unit, and the terminal is provided with a second NFC unit; and the NFC electronic lock is in communication connection with the terminal through the communication connection of the first NFC unit and the second NFC unit.
Specifically, the terminal is in wireless communication connection with the background server through one or more of a GPRS module, a Bluetooth module and a Wi-Fi module.
as shown in fig. 2, in one embodiment, an electronic lock system based on NFC technology is provided, which includes an NFC electronic lock 20, a terminal 10, and a backend server 30; the NFC electronic lock 20 comprises a first NFC unit 201, the terminal 10 comprises a second NFC unit 101, and the communication connection between the first NFC unit 201 and the second NFC unit 101 realizes the communication connection between the NFC electronic lock 20 and the terminal 10;
the terminal 10 is used for establishing communication connection with the NFC electronic lock 20 and acquiring the ID of the NFC electronic lock 20; sending the ID of the NFC electronic lock 20 and the unlocking instruction configured with the unlocking information to the background server 30;
the background server 30 is used for establishing communication connection with the terminal 10 and receiving the ID of the NFC electronic lock 20 sent by the terminal 10 and an unlocking instruction configured with unlocking information; encrypting by adopting an encryption algorithm corresponding to the ID of the NFC electronic lock 20 to obtain an encrypted ciphertext, sending the encrypted ciphertext to the terminal 10, and then sending the encrypted ciphertext to the NFC electronic lock 20 by the terminal 10;
The NFC electronic lock 20 receives the encrypted ciphertext, and decrypts the encrypted ciphertext by adopting a decryption algorithm corresponding to the ID of the NFC electronic lock 20 to obtain unlocking information; and executing unlocking operation according to the unlocking information.
It should be noted that, the background server 30 has different encryption algorithms for the NFC electronic locks 20 with different IDs, and has different decryption algorithms for the NFC electronic locks 20 with different IDs; therefore, even if one encryption algorithm or one decryption algorithm is leaked, other encryption algorithms and other decryption algorithms are still safe, and the safety of the whole electronic lock system is greatly improved.
The electronic lock system based on the NFC technology is high in safety and not easy to crack, and brings convenience to users.
As shown in fig. 3, in one embodiment, the NFC electronic lock 20 further includes a single chip microcomputer 202 for receiving unlocking information, a motor 203 electrically connected to the single chip microcomputer 202, a driving mechanism 204, and a lock tongue 205; the single chip microcomputer 202 controls the rotation of the motor 203 according to the unlocking information, the rotation of the motor 203 drives the driving mechanism 204 to move, and the movement of the driving mechanism 204 drives the bolt 205 to be pulled in or pulled out; therefore, the single chip microcomputer 202 controls the motor 203 to rotate according to the received unlocking information, the motor 203 rotates to drive the driving mechanism 204 to move, and the driving mechanism 204 moves to drive the lock tongue 205 to be shifted in or out, so that the purpose of unlocking or locking is achieved.
Furthermore, the NFC electronic lock 20 further includes a latch bolt, a rotatable handle, and a transmission structure; the handle is in transmission connection with the latch bolt through a transmission structure; when external force is applied to rotate the handle, the rotation of the handle drives the latch bolt to be pulled in or pulled out through the transmission of the transmission structure.
Further, the NFC electronic lock 20 further includes a lock cylinder into which a mechanical key is inserted, and the lock cylinder is in transmission connection with the lock tongue 205; when the mechanical key is inserted into the lock cylinder and rotates, the rotation of the mechanical key drives the lock cylinder to rotate, and the rotation of the lock cylinder drives the bolt 205 to be pulled in or pulled out; thus, when the circuit system in the electronic lock is in failure, the lock can be unlocked or locked by a mechanical key.
And moreover, the terminal is in wireless communication connection with the background server through one or more of the GPRS module, the Bluetooth module and the Wi-Fi module.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. An unlocking method based on an NFC electronic lock is characterized by comprising the following steps:
S1, establishing communication connection between the terminal and the NFC electronic lock;
S2, the NFC electronic lock verifies the identity of the terminal, and if the terminal is a legal identity, the NFC electronic lock sends the ID of the NFC electronic lock to the terminal;
S3, the terminal sends the ID of the NFC electronic lock and an unlocking instruction configured with unlocking information to a background server;
S4, the background server receives the ID of the NFC electronic lock and an unlocking instruction configured with unlocking information; encrypting by adopting an encryption algorithm corresponding to the ID of the NFC electronic lock to obtain an encrypted ciphertext, and sending the encrypted ciphertext to the terminal;
S5, the terminal sends the encrypted ciphertext to the NFC electronic lock;
S6, the NFC electronic lock decrypts the encrypted ciphertext by adopting a decryption algorithm corresponding to the ID of the NFC electronic lock to obtain unlocking information; and executing unlocking operation according to the unlocking information.
2. The NFC-based electronic lock unlocking method of claim 1, wherein the NFC electronic lock is provided with a first NFC unit, and the terminal is provided with a second NFC unit; and the NFC electronic lock is in communication connection with the terminal through the communication connection between the first NFC unit and the second NFC unit.
3. The unlocking method based on the NFC electronic lock according to claim 1, wherein the terminal is in wireless communication connection with the background server through one or more of a GPRS module, a bluetooth module, and a Wi-Fi module.
4. An electronic lock system based on NFC technology is characterized by comprising an NFC electronic lock, a terminal and a background server; the NFC electronic lock comprises a first NFC unit, the terminal comprises a second NFC unit, and the communication connection between the first NFC unit and the second NFC unit realizes the communication connection between the NFC electronic lock and the terminal;
the terminal is used for establishing communication connection with the NFC electronic lock and acquiring the ID of the NFC electronic lock; sending the ID of the NFC electronic lock and an unlocking instruction configured with unlocking information to the background server;
the background server is used for establishing communication connection with the terminal and receiving the ID of the NFC electronic lock sent by the terminal and an unlocking instruction configured with unlocking information; encrypting by adopting an encryption algorithm corresponding to the ID of the NFC electronic lock to obtain an encrypted ciphertext, sending the encrypted ciphertext to the terminal, and then sending the encrypted ciphertext to the NFC electronic lock by the terminal;
The NFC electronic lock receives the encrypted ciphertext and decrypts the encrypted ciphertext by adopting a decryption algorithm corresponding to the ID of the NFC electronic lock to obtain unlocking information; and executing unlocking operation according to the unlocking information.
5. The electronic lock system based on the NFC technology as claimed in claim 4, wherein the NFC electronic lock further comprises a single chip microcomputer for receiving unlocking information, a motor electrically connected with the single chip microcomputer, a driving mechanism and a lock tongue; the single chip microcomputer controls the rotation of the motor according to unlocking information, the rotation of the motor drives the driving mechanism to move, and the movement of the driving mechanism drives the lock tongue to be pulled in or pulled out.
6. An NFC-technology-based electronic lock system as in claim 5 wherein the NFC electronic lock further comprises a latch, a rotatable handle and a transmission structure; the handle is in transmission connection with the latch bolt through the transmission structure; when external force is applied to rotate the handle, the rotation of the handle drives the latch bolt to be pulled in or pulled out through the transmission of the transmission structure.
7. An NFC technology based electronic lock system as claimed in claim 6 wherein the NFC electronic lock further includes a key cylinder into which a mechanical key is inserted, the key cylinder being in driving connection with the deadbolt; when the mechanical key is inserted into the lock cylinder and rotates the mechanical key, the rotation of the mechanical key drives the lock cylinder to rotate, and the rotation of the lock cylinder drives the lock tongue to be pulled in or pulled out.
8. The electronic lock system based on the NFC technology of claim 4, wherein the terminal is in wireless communication connection with the background server through one or more of a GPRS module, a Bluetooth module and a Wi-Fi module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910780388.4A CN110570561A (en) | 2019-08-22 | 2019-08-22 | Unlocking method and system based on NFC electronic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910780388.4A CN110570561A (en) | 2019-08-22 | 2019-08-22 | Unlocking method and system based on NFC electronic lock |
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| Publication Number | Publication Date |
|---|---|
| CN110570561A true CN110570561A (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910780388.4A Pending CN110570561A (en) | 2019-08-22 | 2019-08-22 | Unlocking method and system based on NFC electronic lock |
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| CN (1) | CN110570561A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112637169A (en) * | 2020-12-14 | 2021-04-09 | 广芯微电子（广州）股份有限公司 | Passive NFC cloud lock encryption method |
| CN112820000A (en) * | 2020-12-31 | 2021-05-18 | 北京握奇智能科技有限公司 | Identity authentication system and method for vehicle |
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| CN109389710A (en) * | 2018-08-24 | 2019-02-26 | 黄瀚思 | Intelligent door lock system based on RSA Algorithm Yu BLE low-power consumption bluetooth |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112637169A (en) * | 2020-12-14 | 2021-04-09 | 广芯微电子（广州）股份有限公司 | Passive NFC cloud lock encryption method |
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