CN110473327B - Lock control method, system and storage medium based on NFC - Google Patents

Lock control method, system and storage medium based on NFC Download PDF

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Publication number
CN110473327B
CN110473327B CN201910838963.1A CN201910838963A CN110473327B CN 110473327 B CN110473327 B CN 110473327B CN 201910838963 A CN201910838963 A CN 201910838963A CN 110473327 B CN110473327 B CN 110473327B
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China
Prior art keywords
nfc
unlocking
lock body
request
mobile terminal
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CN201910838963.1A
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CN110473327A (en
Inventor
张春
郑东曦
尹健
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Guangdong Weide Information Technology Co ltd
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Guangdong Weide Information Technology Co ltd
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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
    • G07C9/00309—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
    • G07C2009/00365—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 in combination with a wake-up circuit
    • G07C2009/00373—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 in combination with a wake-up circuit whereby the wake-up circuit is situated in the lock
    • H04B5/79—
    • 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
    • H04L9/3247—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 digital signatures

Abstract

The invention discloses a lock control method, a lock control system and a storage medium based on NFC, wherein the method comprises the following steps: sending a first request to a background server so that the background server carries out unlocking authority authorization of the mobile terminal and returns an unlocking authorization certificate, wherein the unlocking authorization certificate adopts a digital certificate signature; sending a second request to the lock body in an NFC mode so that the NFC chip in the lock body wakes up the security chip in the lock body under the power supply action of the power supply module after the NFC authentication is completed, wherein the power supply module is arranged in the NFC chip; and sending an unlocking instruction and an unlocking authorization certificate to the lock body in an NFC mode, so that the security chip controls the lock body to unlock after verifying the unlocking authorization certificate. The security chip is awakened to work when the mobile terminal enters the effective receiving range of the NFC signal and completes NFC authentication when approaching the lock body, and the power consumption is low; the safety certification is carried out through the digital certificate signature and verification mode, so that the safety certification is safer, and the method can be widely applied to the field of locks.

Description

Lock control method, system and storage medium based on NFC
Technical Field
The invention relates to the field of locks, in particular to a lock control method and system based on NFC and a storage medium.
Background
With the continuous development of the technology, the intelligent electronic lock gradually obtains the traditional mechanical lock to become the mainstream of the lock, and the electronic lock with rich shapes, colors and functions is continuously emerged. Meanwhile, along with the popularization of smart phones and the like, smart lock systems which adopt smart phones as keys are on the market. The intelligent lock system mainly comprises the intelligent mobile phone and the lock body, when the intelligent mobile phone approaches the lock body and enters an effective receiving range of Bluetooth or NFC signals, the intelligent mobile phone communicates with the lock body in a Bluetooth or NFC mode, so that identity authentication is carried out, and the lock body is controlled to be unlocked after the identity authentication is successful. However, the following disadvantages mainly exist in the smart lock system: 1) circuits such as a power supply, a control module and the like in the lock body are required to be in a working state all the time, so that the power consumption is large; 2) identity authentication is carried out through the authentication mechanism of each brand of Bluetooth or NFC, and the authentication mechanism of other Bluetooth or NFC brands cannot be repeated, so that the risk of being falsely used is avoided, and the safety is not high enough.
Disclosure of Invention
To solve the above technical problem, an embodiment of the present invention aims to: provided are a NFC-based lock control method, system, and storage medium that consume little power and are secure.
The technical scheme adopted by the first aspect of the embodiment of the invention is as follows:
a lock control method based on NFC comprises the following steps:
sending a first request to a background server so that the background server carries out unlocking authority authorization of the mobile terminal and returns an unlocking authorization certificate, wherein the unlocking authorization certificate adopts a digital certificate signature;
sending a second request to the lock body in an NFC mode so as to wake up a security chip in the lock body under the power supply action of a power module after the NFC chip in the lock body completes NFC authentication, wherein the power module is arranged in the NFC chip;
and sending an unlocking instruction and an unlocking authorization certificate to the lock body in an NFC mode, so that the security chip controls the lock body to unlock after verifying the unlocking authorization certificate.
Further, the step of sending the first request to the background server to enable the background server to perform unlocking authority authorization of the mobile terminal and return an unlocking authorization certificate specifically includes:
sending a first request to a background server through a mobile terminal so that the background server generates an unlocking authorization certificate in a digital certificate signature mode, wherein the first request comprises an unlocking authority authorization request and first information, and the first information comprises at least one of identification and login information of the mobile terminal;
and receiving an unlocking authorization certificate generated by the background server.
The second aspect of the embodiment of the present invention adopts the following technical solutions:
a lock control method based on NFC comprises the following steps:
receiving a second request sent by the mobile terminal in an NFC mode;
performing NFC authentication according to the second request, and awakening the security chip under the power supply action of the power supply module after the NFC authentication is successful, wherein the power supply module is arranged in the NFC chip;
receiving an unlocking instruction and an unlocking authorization certificate which are sent by a mobile terminal in an NFC mode, wherein the unlocking authorization certificate adopts a digital certificate signature;
verifying the unlocking authorization certificate by using a pre-stored digital certificate of the background server through the security chip according to the unlocking instruction;
and after the unlocking authorization voucher is determined to be successfully verified, controlling the lock body to unlock.
Further, the power module includes a battery and an NFC wireless power supply module, and the step of performing NFC authentication according to the second request and waking up the security chip under the power supply effect of the power module after the NFC authentication is successful specifically includes:
the NFC wireless power supply module is used for supplying power to the NFC chip of the lock body;
performing NFC identity authentication between the mobile terminal and the NFC chip through the NFC chip according to the second request;
returning the result of the NFC identity authentication to the mobile terminal in an NFC mode;
and awakening the security chip through the NFC chip after the NFC identity authentication is determined to be successful.
Further, the step of waking up the security chip through the NFC chip after determining that the NFC identity authentication is successful specifically includes:
after the NFC identity authentication is determined to be successful, sending an awakening signal to the security chip through the NFC chip, and awakening the security chip;
or after the NFC identity authentication is determined to be successful, the battery is controlled by the NFC chip to supply power to the security chip so as to awaken the security chip.
Further, the step of verifying the unlocking authorization certificate by the security chip according to the unlocking instruction by using the pre-stored digital certificate of the background server specifically comprises the following steps:
and verifying whether the unlocking authorization certificate is valid or not by using a safety chip in the lock body through a prestored digital certificate of the background server, if so, indicating that the unlocking authorization certificate is successfully verified, and otherwise, indicating that the unlocking authorization certificate is not successfully verified.
The third aspect of the embodiment of the present invention adopts the following technical solutions:
a lock control method based on NFC comprises the following steps:
receiving a third request sent by the lock body, and returning a digital certificate of the background server to the lock body for prestoring according to the third request;
receiving a first request sent by a mobile terminal;
authorizing the unlocking authority of the mobile terminal according to the first request to generate an unlocking authorization certificate, wherein the unlocking authorization certificate adopts a digital certificate signature;
and returning the unlocking authorization certificate to the mobile terminal so that the mobile terminal sends an unlocking instruction and the unlocking authorization certificate to the lock body in an NFC mode, and then the lock body is unlocked after the unlocking authorization certificate is verified to be successful by adopting a prestored digital certificate of the background server.
The fourth aspect of the embodiment of the present invention adopts the technical solution that:
a lock control system based on NFC comprises a mobile terminal, a lock body and a background server, wherein the mobile terminal comprises:
the device comprises a first request sending unit, a background server and a second request sending unit, wherein the first request sending unit is used for sending a first request to the background server so that the background server can carry out unlocking authority authorization of the mobile terminal and return an unlocking authorization certificate, and the unlocking authorization certificate adopts a digital certificate signature;
the second request sending unit is used for sending a second request to the lock body in an NFC mode so as to wake up the security chip in the lock body under the power supply action of the power supply module after the NFC chip in the lock body completes NFC authentication, and the power supply module is arranged in the NFC chip;
the unlocking instruction sending unit is used for sending an unlocking instruction and an unlocking authorization certificate to the lock body in an NFC mode so that the security chip controls the lock body to be unlocked after verifying the unlocking authorization certificate;
the lock body includes:
the second request receiving unit is used for receiving a second request sent by the mobile terminal in an NFC mode;
the NFC authentication unit is used for carrying out NFC authentication according to the second request and awakening the security chip under the power supply action of the power supply module after the NFC authentication is successful;
the unlocking instruction receiving unit is used for receiving an unlocking instruction and an unlocking authorization certificate which are sent by the mobile terminal in an NFC mode;
the unlocking authorization certificate verification unit is used for verifying the unlocking authorization certificate by adopting a prestored digital certificate of the background server through the security chip according to the unlocking instruction;
the unlocking unit is used for controlling the lock body to be unlocked after the unlocking authorization voucher is verified successfully;
the background server comprises:
a first request receiving unit, configured to receive a first request sent by a mobile terminal;
the unlocking authority authorization unit is used for carrying out unlocking authority authorization on the mobile terminal according to the first request and generating an unlocking authorization certificate;
the unlocking authorization voucher returning unit is used for returning the unlocking authorization voucher to the mobile terminal so that the mobile terminal sends an unlocking instruction and the unlocking authorization voucher to the lock body in an NFC mode;
and the digital certificate sending and pre-storing unit is used for sending the digital certificate of the background server to the lock body for pre-storing so that the lock body verifies the unlocking authorization certificate by adopting the pre-stored digital certificate of the background server according to the unlocking instruction and controls the lock body to be unlocked after the unlocking authorization certificate is successfully verified.
The fifth aspect of the embodiment of the present invention adopts the technical solution that:
an NFC-based lock control system comprising:
at least one processor;
at least one memory for storing at least one program;
when the at least one program is executed by the at least one processor, the at least one program causes the at least one processor to implement the NFC-based lock control method.
The technical scheme adopted by the sixth aspect of the embodiment of the invention is as follows:
a storage medium having stored therein processor-executable instructions, which when executed by a processor, are configured to implement a NFC-based lock control method.
One or more technical solutions in the power supply of the embodiment of the present invention have the following advantages: the mobile terminal sends a second request to the lock body in an NFC mode, so that the NFC chip in the lock body wakes up the security chip in the lock body under the power supply action of the power module after completing NFC authentication, the power module is arranged in the NFC chip, the security chip is woken up to work when the mobile terminal approaches the lock body and enters an effective receiving range of NFC signals and after completing the NFC authentication, and power consumption is low; the unlocking authority authorization of the mobile terminal is carried out in the background server in a digital certificate signature mode, the unlocking authorization certificate is verified in the lock body through the prestored digital certificate of the background server, the safety certification is carried out in a digital certificate signature and verification mode, and compared with the mode of carrying out identity certification through the authentication mechanism of Bluetooth or NFC each brand merchant, the method is low in risk of being falsely used and is safer.
Drawings
FIG. 1 is a block diagram of a system hardware architecture according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a NFC-based lock control method according to an embodiment of the present invention applied to a mobile terminal;
fig. 3 is a flowchart illustrating a NFC-based lock control method according to an embodiment of the present invention applied to a lock body;
fig. 4 is a flowchart illustrating a lock control method based on NFC according to an embodiment of the present invention applied to a backend server;
fig. 5 is a block diagram of a structure of an NFC-based lock control system according to an embodiment of the present invention;
fig. 6 is another structural block diagram of the NFC-based lock control system according to the embodiment of the present invention.
Detailed Description
The invention will be further explained and explained with reference to the drawings and the embodiments in the specification. The step numbers in the following embodiments are provided only for convenience of illustration, the order between the steps is not limited at all, and the execution order of each step in the embodiments can be adapted according to the understanding of those skilled in the art.
The embodiments of the present invention mainly relate to a mobile terminal, a lock body and a background server, and the structure of the embodiments is shown in fig. 1. The mobile terminal is mainly used for logging in, performing NFC authentication with an NFC chip of the lock body, applying unlocking authority authorization to the background server, receiving a returned unlocking authorization certificate, sending the unlocking authorization certificate to the lock body, storing an unlocking record sent by the lock body, uploading the unlocking record to the background server and the like. Specifically, the mobile terminal may be a smart device supported by or having an NFC function, such as a smart phone, a tablet computer, a POS machine, and a vehicle-mounted computer. The lock body is mainly used for carrying out NFC authentication with the mobile terminal, awakening the security chip after the NFC authentication is successful, verifying an unlocking authorization certificate of the mobile terminal, unlocking after the certificate is successfully verified, sending an unlocking record to the mobile terminal for storage, registering to a background server through a terminal program (comprising a mobile terminal program and a computer terminal program), acquiring a digital certificate (comprising a digital certificate of the background server and the digital certificate of the lock body), and the like. As shown in fig. 1, the lock body is provided with an NFC chip, a security chip and a lock cylinder, and the NFC chip is provided with a power supply module inside (fig. 1 does not show the built-in relation). The NFC chip is a universal NFC chip with NFC communication and NFC identity authentication functions, and NFC identity authentication can be completed through an NFC authentication mechanism of a brand merchant so as to ensure the safety of the mobile terminal. The power module may be further subdivided into a battery and an NFC wireless power module. The wake-up mode of the security chip has two types: one is that the security chip is in a passive state at ordinary times; when the mobile terminal enters an effective receiving range of the NFC signal and the NFC authentication is successful, the NFC chip controls the power supply to be turned on (the original off state is changed into the on state, and at the moment, the power supply can adopt a switching power supply), so that the power supply supplies power to the security chip to awaken the security chip; the other is that the security chip is in a low power consumption state at ordinary times (similar to computer dormancy, the power supply also supplies power to the security chip at the moment, but the battery is in a low current power supply state); when the mobile terminal enters the effective receiving range of the NFC signal and the NFC authentication is successful, the NFC chip sends an awakening signal (such as a current switching signal) to the security chip to awaken the security chip to enter a working state (at the moment, the battery is in a high-current power supply state). The security chip is in a non-working state before the NFC authentication is successful in the two modes, and compared with the traditional security chip which is always in a working state, the power consumption is low. The battery may be a lithium battery. The NFC wireless power supply module may include an NFC receiver (e.g., an NFC antenna) and an energy conversion module (e.g., a transformer), where the NFC receiver transmits a received signal to the energy conversion module, and the energy conversion module converts electric energy into direct current and then supplies power to an NFC chip or the like. The safety chip is responsible for verifying the unlocking authorization certificate of the mobile terminal and controlling the lock cylinder to unlock after the certificate is successfully verified. The security chip can be realized by adopting the existing security encryption chip with the digital certificate signature verification function. The background server is mainly used for performing login identity authentication according to login information (such as an account number, a password and the like) of the mobile terminal, generating a corresponding unlocking authorization certificate according to unlocking authority authorization application of the mobile terminal and returning the corresponding unlocking authorization certificate to the mobile terminal, storing an unlocking record uploaded by the mobile terminal, and sending a digital certificate to the lock body through a terminal program to be prestored so as to facilitate unlocking authorization certificate authentication of the lock body and the like. In particular, the backend server may be a cloud server, a remote server, or other computing device. The mobile terminal can communicate with the background server through mobile communication networks (such as 4G networks, 5G networks and the like), Ethernet and other modes, and the lock body can be in communication connection with the background server through Ethernet and other communication modes. The digital certificate of the background server is generated when the background server is installed and initialized, and can be returned to the lock body to be prestored when the lock body applies for registration to the server. The digital certificate of the background server can be used for verifying the signature of the background server, and the public key and the private key of the digital certificate are generated by the background server. The digital certificate of the lock body is generated by the background server according to the public key of the lock body, the lock body serial number and the like when the lock body applies for registration to the background server, and can be used for signature and verification of the lock body (such as digital certificate signature of a log).
The circuit structure of fig. 1 operates on the principle: the security chip is in a passive state or a low power consumption state at ordinary times; if the mobile terminal (such as a mobile phone) with the NFC function is in a passive state at ordinary times, when the mobile terminal (such as a mobile phone) with the NFC function approaches the NFC chip and enters an induction range (namely an effective receiving range of NFC signals) of the NFC chip and the NFC authentication is successful, the NFC chip controls the power supply to be turned on, so that the power supply supplies power to the security chip to awaken the security chip; if the mobile terminal (such as a mobile phone) with the NFC function is in a low power consumption state at ordinary times, when the mobile terminal (such as a mobile phone) with the NFC function approaches an NFC chip and enters an induction range (namely an effective receiving range of an NFC signal) of the NFC chip and NFC authentication is successful, the NFC chip sends a wake-up signal to a security chip, and the security chip is woken up to enter a working state; and then the mobile terminal sends an authorized unlocking certificate (generated by adopting a digital certificate signature mode) obtained from the background server to the security chip in an NFC mode, the security chip verifies the authorized unlocking authority by adopting a prestored digital certificate of the background server, and the lock cylinder is controlled to be unlocked after the authorized unlocking authority is successful.
Referring to fig. 2, an embodiment of the present invention provides a lock control method based on NFC, which is applied to a mobile terminal and includes the following steps:
s101, sending a first request to a background server so that the background server can carry out unlocking authority authorization of the mobile terminal and return an unlocking authorization certificate, wherein the unlocking authorization certificate adopts a digital certificate signature;
specifically, the first request is used for applying an unlocking authorization certificate (i.e. unlocking authority) to the background server, and the request can be sent by applying a task work order. The background server receives the first request (such as a task work order) and then generates an unlocking authorization certificate in a digital certificate signature mode, and the background server has a digital certificate issuing function and can serve as a digital certificate issuing mechanism. The unlocking authorization certificate generated by the background server can be returned to the mobile terminal before the user with the mobile terminal arrives at the lock body site, so that the mobile terminal obtains the unlocking authority.
S102, sending a second request to the lock body in an NFC mode so as to wake up a security chip in the lock body under the power supply action of a power module after the NFC chip in the lock body completes NFC authentication, wherein the power module is arranged in the NFC chip;
specifically, the second request is used for requesting NFC authentication between the mobile terminal and the NFC chip in an NFC manner, so that the secure chip is awakened under the power supply effect of a power module built in the NFC chip after the NFC authentication is completed. The power module is in a passive state or a low power consumption state at ordinary times; if the mobile terminal (such as a mobile phone) with the NFC function is in a passive state at ordinary times, when the mobile terminal (such as a mobile phone) with the NFC function approaches the NFC chip and enters an induction range (namely an effective receiving range of NFC signals) of the NFC chip and the NFC authentication is successful, the NFC chip controls the power supply to be turned on, so that the power supply supplies power to the security chip to awaken the security chip; if the mobile terminal (such as a mobile phone) with the NFC function is in a low power consumption state at ordinary times, when the mobile terminal (such as a mobile phone) with the NFC function is close to the NFC chip and enters an induction range (namely an effective receiving range of NFC signals) of the NFC chip and NFC authentication is successful, the NFC chip sends a wake-up signal to the security chip, and the security chip is woken up to enter a working state so as to facilitate subsequent authorization certificate verification and unlocking. The power module of this embodiment is that the NFC chip is built-in, compares with the tradition through the mode of external power supply, make full use of the convenience of NFC non-contact, and is more convenient, and user experience is better.
S103, an unlocking instruction and an unlocking authorization certificate are sent to the lock body in an NFC mode, so that the safety chip controls the lock body to unlock after verifying the unlocking authorization certificate.
Specifically, after the lock body receives an unlocking instruction, an unlocking authorization certificate is verified through a digital certificate of a background server prestored in the lock body, if the verification is successful, the certificate is legally authorized by the background server, and the lock body is controlled to be unlocked; if the verification is unsuccessful, the certificate is not legally authorized by the background server, and the lock body is controlled to be locked continuously.
As can be seen from the above, the mobile terminal of this embodiment sends the second request to the lock body in the NFC manner, so that the NFC chip in the lock body wakes up the security chip in the lock body under the power supply action of the power module after completing the NFC authentication, the power module is embedded in the NFC chip, the security chip is woken up to work after the mobile terminal approaches the lock body and enters the effective receiving range of the NFC signal and completes the NFC authentication, and power consumption is low; the unlocking authorization certificate generated by adopting the digital certificate signature mode is acquired from the background server, the unlocking authorization certificate is verified in the lock body through the prestored digital certificate of the background server, and the safety certification is carried out through the digital certificate signature and verification mode. The method of the embodiment can be widely applied to various industries, in particular to industrial cabinet locks in the industries of electric power, water conservancy, petroleum, traffic, logistics, communication and the like.
Further as a preferred embodiment, the step S101 of sending the first request to the background server to enable the background server to authorize the unlocking authority of the mobile terminal and return an unlocking authorization credential specifically includes:
s1011, sending a first request to a background server through the mobile terminal so as to enable the background server to generate an unlocking authorization certificate in a digital certificate signature mode, wherein the first request comprises an unlocking authority authorization request and first information, and the first information comprises at least one of identification and login information of the mobile terminal;
specifically, the identifier of the mobile terminal may be a mobile phone number of the mobile terminal, a physical address of the mobile terminal, and the like, and the login information may be information such as a login account (which may be a pre-registered account or an authorized other associated account, such as a micro-signal or a micro-blog account), a password, and the like. After receiving the first request, the background server verifies whether the first information (such as an account number and a password) is matched with the pre-stored information, if the first information is matched with the pre-stored information, the identity authentication is successful, and then unlocking authority authorization can be carried out; if the mobile terminal does not match with the mobile terminal, the identity authentication is unsuccessful, and the mobile terminal is prompted to resend the second request when the identity authentication fails, so that the operation safety can be further improved.
And S1012, receiving an unlocking authorization certificate generated by the background server.
Referring to fig. 3, an embodiment of the present invention provides a lock control method based on NFC, including the following steps:
s201, receiving a second request sent by the mobile terminal in an NFC mode;
s202, performing NFC authentication according to the second request, and awakening the security chip under the power supply action of a power supply module after the NFC authentication is successful, wherein the power supply module is arranged in the NFC chip;
specifically, the second request is used for requesting NFC authentication between the mobile terminal and the NFC chip in an NFC manner, so that the secure chip is awakened under the power supply effect of a power module built in the NFC chip after the NFC authentication is completed. The power module is in a passive state or a low power consumption state at ordinary times; if the mobile terminal (such as a mobile phone) with the NFC function is in a passive state at ordinary times, when the mobile terminal (such as a mobile phone) with the NFC function approaches the NFC chip and enters an induction range (namely an effective receiving range of NFC signals) of the NFC chip and the NFC authentication is successful, the NFC chip controls the power supply to be turned on, so that the power supply supplies power to the security chip to awaken the security chip; if the mobile terminal (such as a mobile phone) with the NFC function is in a low power consumption state at ordinary times, when the mobile terminal (such as a mobile phone) with the NFC function is close to the NFC chip and enters an induction range (namely an effective receiving range of NFC signals) of the NFC chip and NFC authentication is successful, the NFC chip sends a wake-up signal to the security chip, and the security chip is woken up to enter a working state so as to facilitate subsequent authorization certificate verification and unlocking. The power module of this embodiment is that the NFC chip is built-in, compares with the tradition through the mode of external power supply, make full use of the convenience of NFC non-contact, and is more convenient, and user experience is better.
S203, receiving an unlocking instruction and an unlocking authorization certificate which are sent by the mobile terminal in an NFC mode, wherein the unlocking authorization certificate adopts a digital certificate signature;
specifically, the unlocking authorization certificate is obtained after the mobile terminal applies for unlocking authority to the background server, the unlocking authorization certificate is generated in a digital certificate signature mode, and the background server has a digital certificate issuing function and can serve as a digital certificate issuing mechanism. The unlocking authorization certificate generated by the background server can be returned to the mobile terminal before the user with the mobile terminal arrives at the lock body site, so that the mobile terminal obtains the unlocking authority.
S204, verifying unlocking authorization credentials by using a pre-stored digital certificate of the background server through the security chip according to the unlocking instruction;
and S205, controlling the lock body to unlock after the unlocking authorization voucher is verified successfully.
Specifically, after the lock body receives an unlocking instruction, an unlocking authorization certificate is verified through a digital certificate of a background server prestored in the lock body, if the verification is successful, the certificate is legally authorized by the background server, and the lock body is controlled to be unlocked; if the verification is unsuccessful, the certificate is not legally authorized by the background server, and the lock body is controlled to be locked continuously.
As can be seen from the above, after the lock body of this embodiment receives the second request sent by the mobile terminal in the NFC manner, the security chip in the lock body is awakened under the power supply effect of the power module built in the NFC chip after the NFC authentication is completed by the NFC chip in the lock body, so that the security chip is awakened to work after the mobile terminal approaches the lock body and enters the effective receiving range of the NFC signal and completes the NFC authentication, and power consumption is low; after receiving an unlocking authorization certificate (from a background server) of the mobile terminal in a digital certificate signature mode, verifying the unlocking authorization certificate through a prestored digital certificate of the background server, and performing security authentication in a digital certificate signature and verification mode. The method of the embodiment can be widely applied to various industries, in particular to industrial cabinet locks in the industries of electric power, water conservancy, petroleum, traffic, logistics, communication and the like.
Further as a preferred embodiment, the power module includes a battery and an NFC wireless power supply module, and the performing NFC authentication according to the second request and waking up the security chip S202 under the power supply effect of the power module after the NFC authentication is successful specifically includes:
s2021, supplying power to an NFC chip of the lock body through an NFC wireless power supply module;
specifically, after the NFC mobile terminal enters the effective receiving range of the NFC signal, the NFC wireless power supply module supplies power to the NFC chip in an induction mode so as to facilitate subsequent NFC authentication.
S2022, performing NFC identity authentication between the mobile terminal and the NFC chip through the NFC chip according to the second request;
specifically, when performing NFC identity authentication between the mobile terminal and the NFC chip, an existing NFC self-contained authentication mechanism (e.g., an NFC authentication mechanism of each brand of NFC) may be used, so as to ensure that the mobile terminal is pre-registered or bound, thereby improving the operation security.
S2023, returning the result of the NFC identity authentication to the mobile terminal in an NFC mode;
specifically, the result of the NFC authentication includes success of the NFC authentication and failure of the NFC authentication.
And S2024, awakening the security chip through the NFC chip after the NFC identity authentication is determined to be successful.
Further, as a preferred embodiment, the step S2024 of waking up the secure chip by the NFC chip after determining that the NFC identity authentication is successful specifically includes:
after the NFC identity authentication is determined to be successful, sending an awakening signal to the security chip through the NFC chip, and awakening the security chip;
or after the NFC identity authentication is determined to be successful, the battery is controlled by the NFC chip to supply power to the security chip so as to awaken the security chip.
After the NFC identity authentication is determined to be successful, the embodiment may wake up the security chip to enter the working state in two ways. Specifically, if the security chip is in a passive state at ordinary times, when a mobile terminal (such as a mobile phone) with an NFC function approaches the NFC chip and enters an induction range of the NFC chip (i.e., an effective receiving range of an NFC signal) and NFC authentication is successful, the NFC chip controls a power supply to be turned on, so that the power supply supplies power to the security chip to wake up the security chip; if the security chip is in a low power consumption state at ordinary times, when a mobile terminal (such as a mobile phone) with an NFC function approaches the NFC chip and enters an induction range (namely an effective receiving range of an NFC signal) of the NFC chip and NFC authentication is successful, the NFC chip sends a wake-up signal to the security chip, and the security chip is woken up to enter a working state. In the two modes, the security chip is in a non-working state before the NFC authentication is successful, and compared with the traditional security chip in a working state, the power consumption is low; in addition, the two modes can be flexibly selected by the user according to actual needs.
Further as a preferred embodiment, the step S204 of verifying the unlocking authorization credential by using a pre-stored digital certificate of the background server according to the unlocking instruction through the security chip specifically includes:
and verifying whether the unlocking authorization certificate is valid or not by using a safety chip in the lock body through a prestored digital certificate of the background server, if so, indicating that the unlocking authorization certificate is successfully verified, and otherwise, indicating that the unlocking authorization certificate is not successfully verified.
Specifically, this embodiment verifies the effectual mode of whether the authorization certificate of unblanking through the digital certificate that uses the backstage server that prestores to ensure that mobile terminal possesses legal authority of unblanking, compares with the authentication mechanism through each brand merchant of bluetooth or NFC, and is safer.
The digital certificate of the background server prestored in the lock body can be acquired from the background server through a third request, and the third request contains lock body identifiers such as a lock body serial number. The method for returning the registration information of the lock body and/or the digital certificate of the background server specifically comprises two conditions: returning the registered information of the lock body to the lock body when the lock body is registered; and when the lock body is unregistered, the unregistered information of the lock body and the digital certificate of the background server are returned to the lock body.
In order to obtain the digital certificate of the background server so as to facilitate the subsequent verification of the unlocking certificate of the mobile terminal, in this embodiment, the lock body registration is further performed. In this embodiment, the lock body is connected to the computer terminal or the mobile phone terminal, and then the terminal program is enabled to communicate with the background server and the lock body respectively, and execute the corresponding operations: after receiving a third request sent by the lock body, the terminal program sends lock body identification such as a lock body serial number of the third request and a public key of the lock body to the background server, the background server verifies whether the lock body is registered, and if the lock body is registered, registered information is returned to the lock body through the terminal program; if the lock is not registered, the background server generates a digital certificate of the lock according to the public key of the lock and the serial number of the lock in the third request, and returns the digital certificate of the lock and the digital certificate of the background server (generated when the background server is installed and initialized) to the lock to be prestored through a terminal program.
Referring to fig. 4, an embodiment of the present invention provides a lock control method based on NFC, including the following steps:
s301, receiving a third request sent by the lock body, and returning a digital certificate of the background server to the lock body to be prestored according to the third request;
specifically, the third request is used for registering the lock body, and the third request contains lock body identifiers such as a lock body serial number.
S302, receiving a first request sent by a mobile terminal;
specifically, the first request is used for applying an unlocking authorization certificate (i.e. unlocking authority) to the background server, and the request can be sent by applying a task work order.
S303, authorizing the unlocking authority of the mobile terminal according to the first request to generate an unlocking authorization certificate, wherein the unlocking authorization certificate adopts a digital certificate signature;
specifically, the background server generates the unlocking authorization certificate in a digital certificate signature mode after receiving the first request (such as a task work order), and the background server has a digital certificate issuing function and can serve as a digital certificate issuing organization.
S304, the unlocking authorization certificate is returned to the mobile terminal, so that the mobile terminal sends an unlocking instruction and the unlocking authorization certificate to the lock body in an NFC mode, and the lock body is unlocked after the unlocking authorization certificate is verified to be successful by adopting a prestored digital certificate of the background server.
Specifically, the unlocking authorization credential generated by the background server can be returned to the mobile terminal before the user holding the mobile terminal arrives at the lock body site, so that the mobile terminal obtains the unlocking authority.
After the digital certificate of the background server is sent to the lock body and the lock body receives an unlocking instruction of the mobile terminal, the lock body firstly verifies an unlocking authorization certificate through the digital certificate of the background server prestored in the lock body, if the verification is successful, the certificate is legally authorized through the background server, and the lock body is controlled to be unlocked; if the verification is unsuccessful, the certificate is not legally authorized by the background server, and the lock body is controlled to be locked continuously.
As can be seen from the above, the background server of this embodiment generates the unlocking authorization credential by using a digital certificate signature method and returns the unlocking authorization credential to the mobile terminal, and sends the digital certificate of the background server to the lock body for pre-storing, so that the lock body performs the verification of the unlocking authorization credential through the pre-stored digital certificate of the background server, and performs the security authentication by using the digital certificate signature and the verification method. The method of the embodiment can be widely applied to various industries, in particular to industrial cabinet locks in the industries of electric power, water conservancy, petroleum, traffic, logistics, communication and the like.
Referring to fig. 5, an embodiment of the present invention provides a lock control system based on NFC, including a mobile terminal, a lock body, and a background server, where the mobile terminal includes:
a first request sending unit 401, configured to send a first request to a background server, so that the background server performs unlocking authority authorization of the mobile terminal and returns an unlocking authorization credential, where the unlocking authorization credential is signed by a digital certificate;
a second request sending unit 402, configured to send a second request to the lock body in an NFC manner, so that after the NFC authentication is completed, the secure chip in the lock body is awakened under the power supply action of the power supply module, where the power supply module is embedded in the NFC chip;
the unlocking instruction sending unit 403 is configured to send an unlocking instruction and an unlocking authorization credential to the lock body in an NFC manner, so that the security chip controls the lock body to unlock after verifying the unlocking authorization credential;
the lock body includes:
a second request receiving unit 404, configured to receive a second request sent by the mobile terminal in an NFC manner;
the NFC authentication unit 405 is used for performing NFC authentication according to the second request and awakening the security chip under the power supply action of the power supply module after the NFC authentication is successful, wherein the power supply module is arranged in the NFC chip;
an unlocking instruction receiving unit 406, configured to receive an unlocking instruction and an unlocking authorization credential sent by the mobile terminal in an NFC manner;
the unlocking authorization certificate verification unit 407 is used for verifying the unlocking authorization certificate by using a pre-stored digital certificate of the background server through the security chip according to the unlocking instruction;
the unlocking unit 408 is used for controlling the lock body to be unlocked after the unlocking authorization voucher is verified successfully;
the background server comprises:
the registration unit 409 is used for receiving a third request sent by the lock body and returning a digital certificate of the background server to the lock body for prestoring according to the third request;
a first request receiving unit 410, configured to receive a first request sent by a mobile terminal;
the unlocking authority authorization unit 411 is used for carrying out unlocking authority authorization on the mobile terminal according to the first request to generate an unlocking authorization certificate;
and the unlocking authorization voucher returning unit 412 is used for returning the unlocking authorization voucher to the mobile terminal so that the mobile terminal sends an unlocking instruction and the unlocking authorization voucher to the lock body in an NFC (near field communication) manner, and then the lock body is unlocked after the unlocking authorization voucher is verified to be successful by adopting a pre-stored digital certificate of the background server.
The contents in the method embodiments of fig. 2, fig. 3 and fig. 4 are all applicable to the embodiment of the present system, the functions implemented in the embodiment of the present system are the same as those in the embodiment of the method, and the advantageous effects achieved by the embodiment of the present system are also the same as those achieved by the embodiment of the method.
Referring to fig. 6, an embodiment of the present invention provides a lock control system based on NFC, including:
at least one processor 501;
at least one memory 502 for storing at least one program;
when the at least one program is executed by the at least one processor 501, the at least one processor 501 is enabled to implement the NFC-based lock control method.
The contents in the method embodiments of fig. 2, fig. 3 and fig. 4 are all applicable to the embodiment of the present system, the functions implemented in the embodiment of the present system are the same as those in the embodiment of the method, and the advantageous effects achieved by the embodiment of the present system are also the same as those achieved by the embodiment of the method.
The embodiment of the present invention also provides a storage medium, in which processor-executable instructions are stored, and when the processor-executable instructions are executed by a processor, the processor-executable instructions are used for implementing the NFC-based lock control method.
The contents in the method embodiments of fig. 2, fig. 3 and fig. 4 are all applicable to the embodiment of the storage medium, the functions implemented in the embodiment of the storage medium are the same as those in the embodiment of the method, and the advantageous effects achieved by the embodiment of the method are also the same as those achieved by the embodiment of the method.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. A lock control method based on NFC is characterized in that: the method comprises the following steps:
sending a first request to a background server so that the background server carries out unlocking authority authorization of the mobile terminal and returns an unlocking authorization certificate, wherein the unlocking authorization certificate adopts a digital certificate signature;
sending a second request to the lock body in an NFC mode so as to wake up a security chip in the lock body under the power supply action of a power module after the NFC chip in the lock body completes NFC authentication, wherein the power module is arranged in the NFC chip;
sending an unlocking instruction and an unlocking authorization certificate to the lock body in an NFC mode, so that the security chip controls the lock body to be unlocked after verifying the unlocking authorization certificate;
the step of sending the first request to the background server so that the background server performs unlocking authority authorization of the mobile terminal and returns an unlocking authorization certificate specifically includes:
the method comprises the steps that a first request is sent to a background server through a mobile terminal, so that the background server generates an unlocking authorization certificate in a digital certificate signature mode, the first request comprises an unlocking authority authorization request and first information, and the first information comprises at least one of identification and login information of the mobile terminal.
2. A lock control method based on NFC is characterized in that: the method comprises the following steps:
receiving a second request sent by the mobile terminal in an NFC mode;
performing NFC authentication according to the second request, and awakening the security chip under the power supply action of the power supply module after the NFC authentication is successful, wherein the power supply module is arranged in the NFC chip;
receiving an unlocking instruction and an unlocking authorization certificate which are sent by a mobile terminal in an NFC mode, wherein the unlocking authorization certificate adopts a digital certificate signature;
verifying the unlocking authorization certificate by using a pre-stored digital certificate of the background server through the security chip according to the unlocking instruction;
and after the unlocking authorization voucher is determined to be successfully verified, controlling the lock body to unlock.
3. The NFC-based lock control method according to claim 2, wherein: the power module comprises a battery and an NFC wireless power supply module, the steps of carrying out NFC authentication according to the second request and awakening the security chip under the power supply action of the power module after the NFC authentication is successful include:
the NFC wireless power supply module is used for supplying power to the NFC chip of the lock body;
performing NFC identity authentication between the mobile terminal and the NFC chip through the NFC chip according to the second request;
returning the result of the NFC identity authentication to the mobile terminal in an NFC mode;
and awakening the security chip through the NFC chip after the NFC identity authentication is determined to be successful.
4. The NFC-based lock control method of claim 3, wherein: the step of awakening the security chip through the NFC chip after the NFC identity authentication is determined to be successful specifically comprises the following steps:
after the NFC identity authentication is determined to be successful, sending an awakening signal to the security chip through the NFC chip, and awakening the security chip;
or after the NFC identity authentication is determined to be successful, the battery is controlled by the NFC chip to supply power to the security chip so as to awaken the security chip.
5. The NFC-based lock control method according to claim 2, wherein: the method comprises the following steps of verifying unlocking authorization credentials by a security chip according to unlocking instructions by adopting a prestored digital certificate of a background server, and specifically comprises the following steps:
and verifying whether the unlocking authorization certificate is valid or not by using a safety chip in the lock body through a prestored digital certificate of the background server, if so, indicating that the unlocking authorization certificate is successfully verified, and otherwise, indicating that the unlocking authorization certificate is not successfully verified.
6. A lock control system based on NFC is characterized in that: including mobile terminal, lock body and backstage server, mobile terminal includes:
the device comprises a first request sending unit, a background server and a second request sending unit, wherein the first request sending unit is used for sending a first request to the background server so that the background server can carry out unlocking authority authorization of the mobile terminal and return an unlocking authorization certificate, and the unlocking authorization certificate adopts a digital certificate signature;
the second request sending unit is used for sending a second request to the lock body in an NFC mode so as to wake up the security chip in the lock body under the power supply action of the power supply module after the NFC chip in the lock body completes NFC authentication, and the power supply module is arranged in the NFC chip;
the unlocking instruction sending unit is used for sending an unlocking instruction and an unlocking authorization certificate to the lock body in an NFC mode so that the security chip controls the lock body to be unlocked after verifying the unlocking authorization certificate;
the lock body includes:
the second request receiving unit is used for receiving a second request sent by the mobile terminal in an NFC mode;
the NFC authentication unit is used for carrying out NFC authentication according to the second request and awakening the security chip under the power supply action of the power supply module after the NFC authentication is successful;
the unlocking instruction receiving unit is used for receiving an unlocking instruction and an unlocking authorization certificate which are sent by the mobile terminal in an NFC mode;
the unlocking authorization certificate verification unit is used for verifying the unlocking authorization certificate by adopting a prestored digital certificate of the background server through the security chip according to the unlocking instruction;
the unlocking unit is used for controlling the lock body to be unlocked after the unlocking authorization voucher is verified successfully;
the background server comprises:
the registration unit is used for receiving a third request sent by the lock body and returning a digital certificate of the background server to the lock body for prestoring according to the third request;
a first request receiving unit, configured to receive a first request sent by a mobile terminal;
the unlocking authority authorization unit is used for carrying out unlocking authority authorization on the mobile terminal according to the first request and generating an unlocking authorization certificate;
and the unlocking authorization voucher returning unit is used for returning the unlocking authorization voucher to the mobile terminal so that the mobile terminal sends an unlocking instruction and the unlocking authorization voucher to the lock body in an NFC mode, and then the lock body is unlocked after the unlocking authorization voucher is verified to be successful by adopting a prestored digital certificate of the background server.
7. A lock control system based on NFC is characterized in that:
at least one processor;
at least one memory for storing at least one program;
when executed by the at least one processor, cause the at least one processor to implement a NFC-based lock control method as recited in any of claims 1-5.
8. A storage medium having stored therein instructions executable by a processor, the storage medium comprising: the processor-executable instructions, when executed by the processor, are for implementing an NFC-based lock control method as recited in any of claims 1-5.
CN201910838963.1A 2019-09-05 2019-09-05 Lock control method, system and storage medium based on NFC Active CN110473327B (en)

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