CN115527294A - NFC signal vehicle unlocking method of security chip and security chip device - Google Patents

NFC signal vehicle unlocking method of security chip and security chip device Download PDF

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Publication number
CN115527294A
CN115527294A CN202211497483.1A CN202211497483A CN115527294A CN 115527294 A CN115527294 A CN 115527294A CN 202211497483 A CN202211497483 A CN 202211497483A CN 115527294 A CN115527294 A CN 115527294A
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China
Prior art keywords
security chip
card
nfc
vehicle
unlocking
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Granted
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CN202211497483.1A
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Chinese (zh)
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CN115527294B (en
Inventor
赵仲明
刘曼
王立峰
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Guangzhou Wise Security Technology Co Ltd
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Guangzhou Wise Security 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
    • G07C9/00571—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/20—Means to switch the anti-theft system on or off
    • B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
    • 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
    • G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
    • B60R2325/20—Communication devices for vehicle anti-theft devices
    • B60R2325/205—Mobile phones
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The application discloses an NFC signal vehicle unlocking method of a security chip, a security chip device, equipment and a medium, and belongs to the technical field of communication. The method comprises the following steps: the safety chip generates and stores a car key card; the security chip uploads the car key card to the server through the mobile phone terminal, the server sends an authentication request to the car terminal, receives an authentication result fed back by the car terminal, generates a security chip authentication file, and feeds back the security chip authentication file to the mobile phone terminal; the safety chip unlocks the card; the safety chip uploads the unlocking card to the server side, and the server side synchronously unlocks the card to the vehicle terminal; the safety chip stores the unlocking card, and the NFC signal of the unlocking card is sent out through the mobile phone terminal to unlock the vehicle. This scheme is through the security chip to car key card save, uses NFC technique unblock vehicle. The safety of unblock vehicle is improved, the trouble that traditional car key lost has also been avoided simultaneously.

Description

NFC signal vehicle unlocking method of security chip and security chip device
Technical Field
The application belongs to the technical field of communication, and particularly relates to an NFC signal vehicle unlocking method of a security chip, a security chip device, equipment and a medium.
Background
With the development of automobile manufacturing technologies, the safety awareness of people is generally improved. In order to prevent the automobile from being stolen, people lock the automobile door and the engine, and can only start the automobile through the automobile key in the hands of people. Nowadays, most car keys are smart keys. The keys for the windows and the sunroof of a car can also be operated by emitting infrared signals to open the doors, trunk and tank cap.
Although the current car key is electronic and intelligent, the current car key still has a plurality of defects, for example, the car key can not confirm whether the identity of a user is authorized, the car cannot be started when the key is out of power, the battery can be purchased through other modes to use the car, the car key is lost, the risk of vehicle theft exists, and the price of the new key is high.
Therefore, how to solve the inconvenience of carrying the key of the vehicle and the troubles caused by the loss of the key, such as the time cost and money cost of stealing the vehicle or preparing a new key, is a problem to be solved urgently in the technical field.
Disclosure of Invention
The embodiment of the application aims to provide an NFC signal vehicle unlocking method, a security chip device, equipment and a medium of a security chip. The safety of the unlocking vehicle is improved, and meanwhile, a plurality of troubles that the traditional vehicle key is lost are avoided.
In a first aspect, an embodiment of the present application provides a method for unlocking an NFC signal vehicle by a security chip, where the method is executed by the security chip, and the security chip is disposed at a mobile phone terminal; the method comprises the following steps:
the method comprises the steps that a processing unit of a security chip obtains NFC card information of a vehicle, and generates and stores a vehicle key card based on the NFC card information;
the processing unit of the security chip uploads the car key card to the server through the interaction unit of the mobile phone terminal, so that the server sends an authentication request to the vehicle terminal based on the associated vehicle information in the car key card, receives an authentication result fed back by the vehicle terminal, generates a security chip authentication file based on the authentication result, and feeds back the security chip authentication file to the mobile phone terminal;
an algorithm unit of the security chip generates an unlocking card together with the mobile phone ID, the user ID and the security chip ID based on the security chip authentication file;
the processing unit of the security chip uploads the unlocking card to the server through the interaction unit of the mobile phone terminal, so that the server synchronizes the unlocking card to the vehicle terminal based on the vehicle information included in the unlocking card;
the storage unit of the security chip stores the unlocking card, and when the vehicle is unlocked or locked through NFC communication, the unlocking card in the storage unit of the security chip is read, so that an NFC signal of the unlocking card is sent through the NFC unit of the mobile phone terminal, and the vehicle is unlocked.
Further, an algorithm unit of the security chip generates an unlocking card together with the mobile phone ID, the user ID and the security chip ID based on the security chip authentication file, and includes:
an algorithm unit of the security chip reads the NFC card information based on the security chip authentication file;
splicing the NFC card information with the mobile phone ID, the user ID and the security chip ID according to a preset field splicing rule by an algorithm unit of the security chip to obtain a specific field;
and processing the specific field by an algorithm unit of the security chip to generate an unlocking card.
Further, the processing of the specific field by the algorithm unit of the security chip to generate an unlocking card includes:
an algorithm unit of the security chip calculates the specific field by adopting an NFC signal generation algorithm to generate an unlocking card; the NFC signal generation algorithm is acquired from a server in advance.
Further, the algorithm unit of the security chip performs operation on the specific field by using an NFC signal generation algorithm to generate an unlocking card, including:
acquiring the length of an original field of the NFC card information;
and compressing the field length of the specific field according to the original field length to obtain data consistent with the original field length, and using the data as emission data of the unlocking card.
Further, a processing unit of the security chip acquires NFC card information of the vehicle, and generates and stores a vehicle key card based on the NFC card information; and the processing unit of the security chip reads the NFC card information of the vehicle through the NFC unit of the mobile phone terminal.
In a second aspect, an embodiment of the present application provides an NFC signal vehicle unlocking security chip device for a security chip, where the device is executed by the security chip, and the security chip is disposed at a mobile phone terminal; the device comprises:
the processing unit is used for acquiring NFC card information of the vehicle, and generating and storing a vehicle key card based on the NFC card information;
the processing unit is also used for uploading the car key card to the server through an interaction unit of the mobile phone terminal, so that the server sends an authentication request to the car terminal based on the associated car information in the car key card, receives an authentication result fed back by the car terminal, generates a security chip authentication file based on the authentication result, and feeds back the security chip authentication file to the mobile phone terminal;
the algorithm unit is used for generating an unlocking card together with the mobile phone ID, the user ID and the security chip ID based on the security chip authentication file;
the processing unit is further used for uploading the unlocking card to the server through an interaction unit of the mobile phone terminal, so that the server can synchronize the unlocking card with the vehicle terminal based on the vehicle information included in the unlocking card;
and the storage unit is used for storing the unlocking card, reading the unlocking card in the storage unit of the security chip when the vehicle is unlocked or locked through NFC communication, and sending an NFC signal of the unlocking card through the NFC unit of the mobile phone terminal to unlock the vehicle.
Further, the algorithm unit includes:
the NFC card information reading subunit reads the NFC card information in the security chip based on the security chip authentication file;
a specific field generation subunit, wherein an algorithm unit of the security chip splices the NFC card information with the mobile phone ID, the user ID and the security chip ID according to a preset field splicing rule to obtain a specific field;
and the specific field processing subunit and the algorithm unit of the security chip process the specific field to generate an unlocking card.
Further, the specific field processing subunit is specifically configured to:
an algorithm unit of the security chip calculates the specific field by adopting an NFC signal generation algorithm to generate an unlocking card; the NFC signal generation algorithm is acquired from a server in advance.
Further, the specific field processing subunit is specifically configured to:
acquiring the length of an original field of the NFC card information;
and compressing the field length of the specific field according to the original field length to obtain data consistent with the original field length, and using the data as emission data of the unlocking card.
Further, a processing unit of the security chip acquires NFC card information of the vehicle, and generates and stores a vehicle key card based on the NFC card information; and the processing unit of the security chip reads the NFC card information of the vehicle through the NFC unit of the mobile phone terminal.
In a third aspect, the present application provides an electronic device, which includes a processor, a memory, and a program or an instruction stored on the memory and executable on the processor, and when the program or the instruction is executed by the processor, the steps of the NFC signal vehicle unlocking method of the security chip according to the first aspect are implemented.
In a fourth aspect, the present application provides a readable storage medium, on which a program or instructions are stored, where the program or instructions, when executed by a processor, implement the steps of the NFC signal vehicle unlocking method of the security chip according to the first aspect.
In the embodiment of the application, a processing unit of a security chip acquires NFC card information of a vehicle, and generates and stores a vehicle key card based on the NFC card information; the processing unit of the security chip uploads the car key card to the server through the interaction unit of the mobile phone terminal, so that the server sends an authentication request to the vehicle terminal based on the associated vehicle information in the car key card, receives an authentication result fed back by the vehicle terminal, generates a security chip authentication file based on the authentication result, and feeds back the security chip authentication file to the mobile phone terminal; an algorithm unit of the security chip generates an unlocking card together with the mobile phone ID, the user ID and the security chip ID based on the security chip authentication file; the processing unit of the security chip uploads the unlocking card to the server through the interaction unit of the mobile phone terminal, so that the server synchronizes the unlocking card to the vehicle terminal based on the vehicle information included in the unlocking card; the storage unit of the security chip stores the unlocking card, and when the vehicle is unlocked or locked through NFC communication, the unlocking card in the storage unit of the security chip is read, so that an NFC signal of the unlocking card is sent through the NFC unit of the mobile phone terminal, and the vehicle is unlocked. In this scheme, save car key card through the security chip, use NFC technique unblock vehicle. The safety of the unlocking vehicle is improved, and meanwhile, a plurality of troubles that the traditional vehicle key is lost are avoided.
Drawings
Fig. 1 is a schematic flowchart of an NFC signal vehicle unlocking method for a security chip according to an embodiment of the present application;
fig. 2 is a schematic flowchart of an NFC signal vehicle unlocking method for a security chip according to a second embodiment of the present application;
fig. 3 is a schematic flowchart of an NFC signal vehicle unlocking method for a security chip according to a third embodiment of the present application;
fig. 4 is a schematic structural diagram of an NFC signal vehicle unlocking security chip device of a security chip provided in the fourth embodiment of the present application;
fig. 5 is a schematic structural diagram of an electronic device provided in this application embodiment five.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, specific embodiments of the present application will be described in detail with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present application are shown in the drawings. Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the operations (or steps) as a sequential process, many of the operations can be performed in parallel, concurrently or simultaneously. In addition, the order of the operations may be re-arranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, subprograms, and the like.
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application are capable of operation in sequences other than those illustrated or described herein, and that the terms "first," "second," etc. are generally used in a generic sense and do not limit the number of terms, e.g., a first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/", and generally means that the former and latter related objects are in an "or" relationship.
The method, the security chip apparatus, the device and the medium for unlocking the NFC signal vehicle of the security chip provided in the embodiment of the present application are described in detail below with reference to the accompanying drawings and application scenarios thereof.
Example one
Fig. 1 is a schematic flowchart of an NFC signal vehicle unlocking method of a security chip according to an embodiment of the present application. The method is executed by a security chip, and the security chip is arranged on a mobile phone terminal; the method comprises the following steps:
s101, a processing unit of a security chip acquires NFC card information of a vehicle, and generates and stores a vehicle key card based on the NFC card information.
The use scene of the embodiment of the application is a scene of opening the automobile door. Specifically, the NFC information of the vehicle key is read and stored in the mobile phone terminal and the vehicle terminal. When the door is opened, the NFC function of the mobile phone terminal is only required to be opened, the car key card is called out, and the unlocking can be completed by being attached to the induction area of the car. The execution main body of the scheme can be a mobile phone terminal and can also be a security chip in the mobile phone terminal. And are not intended to be unduly limited herein.
The Secure chip eSE (Embedded Secure Element) is a trusted device that can independently perform key management and Secure computation. The eSE functions to store keys and feature data and to provide a secure execution environment for the secure storage of sensitive information and for transactional transactions. The security chip is soldered on the motherboard, connected to the NFC Controller, and uses the NFC Controller as a gateway to the outside world. The NFC chip serves as a contactless communication front end, forwards a command received from an external reader to the eSE, and then the command is processed by the eSE and replied by the NFC controller. In external card emulation mode, the eSE is accessed over the ISO/IEC 14443 interface of the NFC Controller, which acts as a radio modem and routes communications from the radio antenna into the eSE. In the internal card emulation mode, the application forwards the communication to the eSE through the NFC Controller. The eSE generally distinguishes between an external card emulation mode and an internal card emulation mode by a flag of the NFC Controller.
The NFC (Near Field Communication) technology is an emerging technology, and is developed by combining a wireless interconnection technology with a non-contact radio frequency identification technology. The equipment using the NFC technology can exchange data under the condition of being close to each other, is formed by integrating and evolving a non-contact radio frequency identification and interconnection technology, and realizes applications such as mobile payment, electronic ticketing, entrance guard, mobile identity identification, anti-counterfeiting and the like by integrating functions of an induction type card reader, an induction type card and point-to-point communication on a single chip and by using a mobile phone terminal.
The NFC has three operating modes, namely a card reader mode, an emulation card mode, and a peer-to-peer mode. Data of the card reader mode can be simply understood as "swiping a tag" in the NFC chip. Essentially, information is read and written from a medium such as a label, a sticker, a business card and the like with an NFC chip through an NFC-supported mobile phone or other electronic equipment. Typically NFC tags do not require external power. When the peripheral supporting the NFC reads and writes data to the NFC, it sends a certain magnetic field, and this magnetic field automatically supplies power to the NFC tag. Data emulating card mode may be simply understood as "swipes" in NFC enabled cell phones or other electronic devices. In essence, a mobile phone or other electronic device supporting NFC is used as an IC card such as a debit card, a bus card, an access card, and the like. The basic principle is to package the information certificate in the corresponding IC card into a data packet to be stored in the peripheral supporting NFC. An NFC radio (equivalent to a card reader) is also required for use. The mobile phone is close to the NFC radio frequency device, the mobile phone can receive signals sent by the NFC radio frequency device, after a series of complex verification is carried out, corresponding information of the IC card is transmitted into the NFC radio frequency device, and finally data of the IC card are transmitted into a computer connected with the NFC radio frequency device and corresponding processing (such as electronic transfer, door opening and the like) is carried out.
In this scheme, the NFC card information may be data information converted from information in the IC card. Specifically, the information (payment credentials) in the corresponding IC card is packaged into a data packet and stored in the NFC-enabled mobile phone terminal. The car key card is used for converting car key information into digital information and storing the digital information in the mobile phone terminal supporting NFC.
S102, the processing unit of the security chip uploads the car key card to the server through the interaction unit of the mobile phone terminal, the server sends an authentication request to the car terminal based on the associated car information in the car key card, receives an authentication result fed back by the car terminal, generates a security chip authentication file based on the authentication result, and feeds back the security chip authentication file to the mobile phone terminal.
In this scenario, the processing unit may be a module that generates program instructions. Specifically, the processing unit of the security chip needs to generate an instruction and send a related instruction to the interaction unit. The interaction unit may be a module responsible for transceiving instructions and transmitting data to a corresponding device. Specifically, the processing unit sends an instruction of the authentication request to the interaction unit, and the interaction unit sends the instruction of the authentication request to the server. The authentication request herein may include vehicle information data and an instruction to request authentication. The server may be a server or an intelligent device storing vehicle information data. Specifically, the server side should store the corresponding vehicle information after receiving the request instruction, and send an authentication request to the vehicle terminal. And after receiving the authentication request, the vehicle terminal compares the vehicle data information contained in the authentication request with the information of the vehicle terminal, and finally sends the authentication result to the server. The authentication result may be an authentication success result or an authentication failure result. Specifically, after the comparison information of the vehicle terminal is consistent, an authentication success result is sent to the server, and if the comparison information is inconsistent, an authentication failure result is sent to the server. And the server selects whether to generate an authentication file or not according to the authentication result. The authentication file may be a file that verifies whether the user has the right to access the system. The mainstream authentication method is to verify the correctness of the digital signature by using authentication authorization. For example, the authentication file generates a token through a specific algorithm according to information such as user information, a password, a timestamp and the like, and then the token is placed in a corresponding field. And when the server and the mobile phone terminal are authenticated, the token is only required to be decrypted to obtain the information. And after the server successfully generates the authentication file, sending the file to the mobile phone terminal. Specifically, the authorization mode of HTTP Basic Authentication (HTTP Basic Authentication) is a Basic authorization mode implemented by a browser complying with an HTTP protocol, and in the communication process of the HTTP protocol, the HTTP protocol defines a method that Basic Authentication allows an HTTP server to perform a user identity card on a client; the session-cookie mechanism is a small piece of data that the server sends to the user's browser and is stored locally, which is carried and sent to the server the next time the browser re-sends a request to the same server. Generally, it is used to inform the server whether two requests come from the same browser, for example, to keep the login status of the user, it is possible for the Cookie to record stable status information based on the stateless HTTP protocol; token verification is also called as Token, and is a stateless identity verification mode, so that the problem of server internal consumption is solved without storing user information in a server; when a user logs in for the first time, the server generates a token and returns the token to the client, and except that the stored token is invalidated or deleted by the user side, the server only needs to carry the token to request data in the following request. OAuth (open authorization) is an authorization mechanism. For authorizing third party applications to obtain user data. The owner of the data authorizes the third-party application to enter the system, and the system generates a temporary token to replace the password and authorize the use permission of the third-party application. The specific authentication mode is selected according to the situation in the scheme, and the scheme is not limited too much.
S103, an algorithm unit of the security chip generates an unlocking card together with the mobile phone ID, the user ID and the security chip ID based on the security chip authentication file.
In the scheme, the algorithm unit can be a module for encrypting and decrypting data in a security chip of the mobile phone terminal. Specifically, the unlocking card may be an electronic card obtained by encrypting the authentication file, the mobile phone ID, the user ID, and the security chip ID by using an algorithm unit. The mobile phone ID can be a serial number unique to each mobile phone, the user ID can be a user ID in a mobile phone account, and the safety chip ID is also a serial number unique to each safety chip. And generating the unlocking card by the authentication file and each piece of information through a related processing algorithm.
And S104, the processing unit of the security chip uploads the unlocking card to the server through the interaction unit of the mobile phone terminal, so that the server synchronizes the unlocking card to the vehicle terminal based on the vehicle information included in the unlocking card.
In the scheme, after the algorithm unit generates the unlocking card, the information of the unlocking card is sent to the interaction unit by the processing unit, and then the interaction equipment sends the unlocking card to the server. The server receives and authenticates the unlock card. Specifically, after the information in the authentication file is successfully verified, the unlocking card is sent to the vehicle terminal, and the vehicle terminal stores the information in the unlocking card. For example, the authentication mode is token, the server decrypts and compares the token part of the unlocking card, and if the token part of the unlocking card is consistent with the token part of the unlocking card, the server sends the information of the unlocking card to the vehicle terminal.
And S105, the storage unit of the security chip stores the unlocking card, and when the vehicle is unlocked or locked through NFC communication, the unlocking card in the storage unit of the security chip is read, so that an NFC signal for unlocking the card is sent through the NFC unit of the mobile phone terminal, and the vehicle is unlocked.
According to the scheme, after the algorithm unit generates the unlocking card, the information of the unlocking card is sent to the storage unit by the processing unit, and the NFC unit sends a signal of the unlocking card by calling the unlocking card of the storage unit, so that the vehicle is unlocked and locked. And if the signals received by the vehicle are consistent after the comparison, the related unlocking and locking operations are carried out.
In the above embodiment, optionally, the processing unit of the security chip acquires NFC card information of the vehicle, and generates and stores a vehicle key card based on the NFC card information; and the processing unit of the security chip reads the NFC card information of the vehicle through the NFC unit of the mobile phone terminal.
In this scheme, use the NFC unit to read the information of car key, the NFC unit conveys car key information for the interactive unit, and the interactive unit sends car key information to processing unit again. The processing unit generates a car key card after editing the car key information, and then sends the car key card to the storage unit for storage through the interaction unit.
In the embodiment of the application, the NFC technology and the security chip are combined to generate and store the car key card, information is prevented from being maliciously tampered in the data transmission process, and the security in the process of obtaining the car information is improved.
According to the technical scheme provided by the embodiment, a processing unit of a security chip acquires NFC card information of a vehicle, and generates and stores a vehicle key card based on the NFC card information; the processing unit of the security chip uploads the car key card to the server through the interaction unit of the mobile phone terminal, so that the server sends an authentication request to the vehicle terminal based on the associated vehicle information in the car key card, receives an authentication result fed back by the vehicle terminal, generates a security chip authentication file based on the authentication result, and feeds back the security chip authentication file to the mobile phone terminal; an algorithm unit of the security chip generates an unlocking card together with the mobile phone ID, the user ID and the security chip ID based on the security chip authentication file; the processing unit of the security chip uploads the unlocking card to the server through the interaction unit of the mobile phone terminal, so that the server synchronizes the unlocking card to the vehicle terminal based on the vehicle information included in the unlocking card; the storage unit of the security chip stores the unlocking card, and when the vehicle is unlocked or locked through NFC communication, the unlocking card in the storage unit of the security chip is read, so that an NFC signal of the unlocking card is sent through the NFC unit of the mobile phone terminal, and the vehicle is unlocked. The vehicle key card is stored through the security chip, and the vehicle is unlocked through the NFC technology. The safety of the unlocking vehicle is improved, and meanwhile, a plurality of troubles that the traditional vehicle key is lost are avoided.
Example two
Fig. 2 is a schematic flowchart of an NFC signal vehicle unlocking method of a security chip according to a second embodiment of the present application. As shown in fig. 2, the specific method includes the following steps:
s201, a processing unit of a security chip acquires NFC card information of a vehicle, and generates and stores a vehicle key card based on the NFC card information.
S202, the processing unit of the security chip uploads the car key card to the server through the interaction unit of the mobile phone terminal, the server sends an authentication request to the car terminal based on the associated car information in the car key card, receives an authentication result fed back by the car terminal, generates a security chip authentication file based on the authentication result, and feeds back the security chip authentication file to the mobile phone terminal.
S203, reading the NFC card information in the security chip authentication file based on the security chip authentication file by the algorithm unit of the security chip.
In the scheme, the server sends the authentication file of the mobile phone terminal, the authentication file needs to be authenticated, an algorithm unit of the mobile phone terminal needs to decrypt, the NFC card information obtained after decryption by using a related secret key or a token is compared with the server, and if the information is consistent, the NFC card information is received.
And S204, splicing the NFC card information, the mobile phone ID, the user ID and the security chip ID by an algorithm unit of the security chip according to a preset field splicing rule to obtain a specific field.
In this scenario, a field may be a member that represents a variable associated with an object or class. Specifically, most of the time the "column" of the table is called a "field", and each field contains information for a topic. For example, in the "address book," name "and" contact phone "are attributes common to all rows in the table, so these columns are referred to as the" name "field and the" contact phone "field. The concatenation field may be a concatenation of two or more fields. Specifically, a field splicing rule may be preset for splicing, for example, all fields are preset for splicing. Mobile phone ID:001, user ID:700. 001700 is obtained by splicing the mobile phone ID and the user ID. Wherein, the fields spliced together according to the preset rules become specific fields. And the first two characters of each field can be extracted in advance for splicing, and the mobile phone ID and the user ID are spliced to obtain 1170.
S205, processing the specific field by the algorithm unit of the security chip to generate an unlocking card.
In the scheme, the algorithm unit processes the obtained specific field, and the processing mode can be to combine characters in the field. Specifically, the processing manner may be to slice, splice, and change the character type of the character. And are not intended to be unduly limited herein.
S206, the processing unit of the security chip uploads the unlocking card to the server through the interaction unit of the mobile phone terminal, so that the server synchronizes the unlocking card to the vehicle terminal based on the vehicle information included in the unlocking card.
And S207, the storage unit of the security chip stores the unlocking card, and when the vehicle is unlocked or locked through NFC communication, the unlocking card in the storage unit of the security chip is read, so that an NFC signal of the unlocking card is sent through the NFC unit of the mobile phone terminal, and the vehicle is unlocked.
In the technical scheme provided by this embodiment, an algorithm unit of a security chip reads NFC card information in the security chip based on the security chip authentication file; an algorithm unit of the security chip splices the NFC card information with the mobile phone ID, the user ID and the security chip ID according to a preset field splicing rule to obtain a specific field; and processing the specific field by an algorithm unit of the security chip to generate an unlocking card. According to the scheme, the field processing is carried out on the NFC card and the mobile phone information, so that the safety certification between the devices is guaranteed, and the transmission safety is further improved.
EXAMPLE III
Fig. 3 is a schematic flowchart of an NFC signal vehicle unlocking method of a security chip according to a third embodiment of the present application. As shown in fig. 3, the specific method includes the following steps:
s301, the processing unit of the security chip acquires NFC card information of the vehicle, and generates and stores a vehicle key card based on the NFC card information.
S302, the processing unit of the security chip uploads the car key card to the server through the interaction unit of the mobile phone terminal, so that the server sends an authentication request to the vehicle terminal based on the associated vehicle information in the car key card, receives an authentication result fed back by the vehicle terminal, generates a security chip authentication file based on the authentication result, and feeds back the security chip authentication file to the mobile phone terminal.
And S303, reading the information of the NFC card in the security chip by the algorithm unit of the security chip based on the authentication file of the security chip.
S304, the algorithm unit of the security chip splices the NFC card information with the mobile phone ID, the user ID and the security chip ID according to a preset field splicing rule to obtain a specific field.
S305, the algorithm unit of the security chip calculates the specific field by adopting an NFC signal generation algorithm to generate an unlocking card; the NFC signal generation algorithm is acquired from a server in advance.
In this embodiment, the NFC signal generation algorithm may be an algorithm for processing a specific field. The NFC signal generation algorithm may be obtained from the server. Specifically, the server sends the authentication file and the NFC signal generation algorithm to the mobile phone terminal, and the algorithm unit processes the specific field. The NFC algorithm processing mode may be encryption, compression, or splitting and re-splicing fields, and is not limited herein.
S306, the processing unit of the security chip uploads the unlocking card to the server through the interaction unit of the mobile phone terminal, so that the server synchronizes the unlocking card to the vehicle terminal based on the vehicle information included in the unlocking card.
And S307, the storage unit of the security chip stores the unlocking card, and when the vehicle is unlocked or locked through NFC communication, the unlocking card in the storage unit of the security chip is read, so that an NFC signal of the unlocking card is sent through the NFC unit of the mobile phone terminal, and the vehicle is unlocked.
In the above embodiment, optionally, the operation of the specific field by the algorithm unit of the secure chip using the NFC signal generation algorithm to generate the unlocking card includes:
acquiring the length of an original field of the NFC card information;
in this solution, before the algorithm unit processes the specific field, it needs to acquire the length of the original field of the NFC card information. The original field length of the NFC card information may be a total field length of the original vehicle information. The field length may be the number of characters including all letters, numbers, symbols, and the like. For example, the vehicle ID information is 0010, and the vehicle key ID information is 2011. The total field length is 8.
And according to the length of the original field, compressing the field length of the specific field to obtain data consistent with the length of the original field, and using the data as emission data of the unlocking card.
In this scheme, to ensure that the length of the transmitted data is consistent with that of the original data, the field length of the specific field needs to be compressed. The principle of compressing characters may be to find a string of repeated occurrences, using shorter symbols instead.
In the embodiment of the application, the specific characters are compressed, so that the data transmission speed is higher, and the transmission efficiency is improved.
According to the technical scheme provided by the embodiment, an algorithm unit of the security chip performs operation on the specific field by adopting an NFC signal generation algorithm to generate an unlocking card; the NFC signal generation algorithm is acquired from a server in advance. According to the scheme, the NFC signal generation algorithm is acquired from the server side, and the specific character is processed, so that the communication efficiency between the devices is improved, and meanwhile, the safety of unlocking the vehicle is also improved.
Example four
Fig. 4 is a schematic structural diagram of an NFC signal vehicle unlocking security chip device of a security chip according to a fourth embodiment of the present application. The device is executed by a security chip which is arranged on a mobile phone terminal; the device comprises: as shown in fig. 4, the secure chip apparatus includes:
the processing unit 401 is configured to acquire NFC card information of a vehicle, and generate and store a vehicle key card based on the NFC card information;
the processing unit is also used for uploading the car key card to the server through an interaction unit of the mobile phone terminal, so that the server sends an authentication request to the car terminal based on the associated car information in the car key card, receives an authentication result fed back by the car terminal, generates a security chip authentication file based on the authentication result, and feeds back the security chip authentication file to the mobile phone terminal;
an algorithm unit 402, configured to generate an unlocking card based on the security chip authentication file, the mobile phone ID, the user ID, and the security chip ID;
the processing unit is also used for uploading the unlocking card to the server through the interaction unit of the mobile phone terminal, so that the server can synchronize the unlocking card with the vehicle terminal based on the vehicle information contained in the unlocking card;
and the storage unit 403 is used for storing the unlocking card, and reading the unlocking card in the storage unit of the security chip when the vehicle is unlocked or locked through NFC communication, so that an NFC signal for unlocking the card is sent out through the NFC unit of the mobile phone terminal, and the vehicle is unlocked.
In the foregoing embodiment, optionally, the algorithm unit includes:
the NFC card information reading subunit reads the NFC card information in the security chip authentication file based on the security chip authentication file;
a specific field generation subunit, wherein an algorithm unit of the security chip splices the NFC card information with the mobile phone ID, the user ID and the security chip ID according to a preset field splicing rule to obtain a specific field;
and the specific field processing subunit and the algorithm unit of the security chip process the specific field to generate an unlocking card.
In the foregoing embodiment, optionally, the specific field processing subunit is specifically configured to:
an algorithm unit of the security chip calculates the specific field by adopting an NFC signal generation algorithm to generate an unlocking card; the NFC signal generation algorithm is acquired from a server in advance.
In the foregoing embodiment, optionally, the specific field processing subunit is specifically configured to:
acquiring the length of an original field of the NFC card information;
and compressing the field length of the specific field according to the original field length to obtain data consistent with the original field length, and using the data as emission data of the unlocking card.
In the above embodiment, optionally, the processing unit of the security chip acquires NFC card information of the vehicle, and generates and stores a vehicle key card based on the NFC card information; and the processing unit of the security chip reads the NFC card information of the vehicle through the NFC unit of the mobile phone terminal.
According to the technical scheme provided by the embodiment, a processing unit of a security chip acquires NFC card information of a vehicle, and generates and stores a vehicle key card based on the NFC card information; the processing unit of the security chip uploads the car key card to the server through the interaction unit of the mobile phone terminal, so that the server sends an authentication request to the vehicle terminal based on the associated vehicle information in the car key card, receives an authentication result fed back by the vehicle terminal, generates a security chip authentication file based on the authentication result, and feeds back the security chip authentication file to the mobile phone terminal; an algorithm unit of the security chip generates an unlocking card together with the mobile phone ID, the user ID and the security chip ID based on the security chip authentication file; the processing unit of the security chip uploads the unlocking card to the server through the interaction unit of the mobile phone terminal, so that the server synchronizes the unlocking card to the vehicle terminal based on the vehicle information included in the unlocking card; the storage unit of the security chip stores the unlocking card, and when the vehicle is unlocked or locked through NFC communication, the unlocking card in the storage unit of the security chip is read, so that an NFC signal of the unlocking card is sent through the NFC unit of the mobile phone terminal, and the vehicle is unlocked. The vehicle key card is stored through the security chip, and the vehicle is unlocked through the NFC technology. The safety of the unlocking vehicle is improved, and meanwhile, a plurality of troubles that a traditional vehicle key is lost are avoided.
EXAMPLE five
Fig. 5 is a schematic structural diagram of an electronic device provided in this application embodiment five. As shown in fig. 5, an electronic device 500 is further provided in this embodiment of the present application, and includes a processor 501, a memory 502, and a program or an instruction stored in the memory 502 and executable on the processor 501, where the program or the instruction is executed by the processor 501 to implement each process of the NFC signal vehicle unlocking method embodiment of the security chip, and can achieve the same technical effect, and in order to avoid repetition, the details are not repeated here.
It should be noted that the electronic device in the embodiment of the present application includes the mobile electronic device and the non-mobile electronic device described above.
EXAMPLE six
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the embodiment of the NFC signal vehicle unlocking method for a security chip, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The processor is the processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The foregoing is considered as illustrative only of the preferred embodiments of the invention and the principles of the technology employed. The present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the claims.

Claims (10)

1. The NFC signal vehicle unlocking method of the security chip is characterized by being executed by the security chip, and the security chip is arranged on a mobile phone terminal; the method comprises the following steps:
the method comprises the steps that a processing unit of a security chip obtains NFC card information of a vehicle, and generates and stores a vehicle key card based on the NFC card information;
the processing unit of the security chip uploads the car key card to the server through the interaction unit of the mobile phone terminal, so that the server sends an authentication request to the vehicle terminal based on the associated vehicle information in the car key card, receives an authentication result fed back by the vehicle terminal, generates a security chip authentication file based on the authentication result, and feeds back the security chip authentication file to the mobile phone terminal;
an algorithm unit of the security chip generates an unlocking card together with the mobile phone ID, the user ID and the security chip ID based on the security chip authentication file;
the processing unit of the security chip uploads the unlocking card to the server through the interaction unit of the mobile phone terminal, so that the server synchronizes the unlocking card to the vehicle terminal based on the vehicle information included in the unlocking card;
the storage unit of the security chip stores the unlocking card, and when the vehicle is unlocked or locked through NFC communication, the unlocking card in the storage unit of the security chip is read, so that an NFC signal of the unlocking card is sent through the NFC unit of the mobile phone terminal, and the vehicle is unlocked.
2. The method of claim 1, wherein an algorithm unit of a security chip generates an unlocking card together with a mobile phone ID, a user ID and a security chip ID based on the security chip authentication file, and comprises:
an algorithm unit of the security chip reads the information of the NFC card based on the authentication file of the security chip;
splicing the NFC card information with the mobile phone ID, the user ID and the security chip ID according to a preset field splicing rule by an algorithm unit of the security chip to obtain a specific field;
and processing the specific field by an algorithm unit of the security chip to generate an unlocking card.
3. The method of claim 2, wherein processing the specific field by an algorithm unit of the security chip to generate an unlock card comprises:
an algorithm unit of the security chip calculates the specific field by adopting an NFC signal generation algorithm to generate an unlocking card; the NFC signal generation algorithm is acquired from a server in advance.
4. The method according to claim 3, wherein an algorithm unit of the security chip performs an operation on the specific field by using an NFC signal generation algorithm to generate an unlocking card, and the method comprises the following steps:
acquiring the length of an original field of the NFC card information;
and according to the length of the original field, compressing the field length of the specific field to obtain data consistent with the length of the original field, and using the data as emission data of the unlocking card.
5. The method according to claim 1, characterized in that a processing unit of a security chip acquires NFC card information of a vehicle and generates and stores a vehicle key card based on the NFC card information; and the processing unit of the security chip reads the NFC card information of the vehicle through the NFC unit of the mobile phone terminal.
6. The NFC signal vehicle unlocking device of the security chip is characterized in that the device is executed by the security chip, and the security chip is arranged on a mobile phone terminal; the device comprises:
the processing unit is used for acquiring NFC card information of the vehicle, and generating and storing a vehicle key card based on the NFC card information;
the processing unit is also used for uploading the car key card to the server through an interaction unit of the mobile phone terminal, so that the server sends an authentication request to the car terminal based on the associated car information in the car key card, receives an authentication result fed back by the car terminal, generates a security chip authentication file based on the authentication result, and feeds back the security chip authentication file to the mobile phone terminal;
the algorithm unit is used for generating an unlocking card together with the mobile phone ID, the user ID and the security chip ID based on the security chip authentication file;
the processing unit is further used for uploading the unlocking card to the server through an interaction unit of the mobile phone terminal, so that the server can synchronize the unlocking card with the vehicle terminal based on the vehicle information included in the unlocking card;
and the storage unit is used for storing the unlocking card, reading the unlocking card in the storage unit of the security chip when the vehicle is unlocked or locked through NFC communication, and sending an NFC signal of the unlocking card through the NFC unit of the mobile phone terminal to unlock the vehicle.
7. The apparatus of claim 6, wherein the algorithm unit comprises:
the NFC card information reading subunit reads the NFC card information in the security chip based on the security chip authentication file;
a specific field generation subunit, wherein an algorithm unit of the security chip splices the NFC card information with the mobile phone ID, the user ID and the security chip ID according to a preset field splicing rule to obtain a specific field;
and the specific field processing subunit and the algorithm unit of the security chip process the specific field to generate an unlocking card.
8. The apparatus according to claim 7, wherein the field-specific processing subunit is specifically configured to:
an algorithm unit of the security chip calculates the specific field by adopting an NFC signal generation algorithm to generate an unlocking card; the NFC signal generation algorithm is acquired from a server in advance.
9. An electronic device comprising a processor, a memory and a program or instructions stored on the memory and executable on the processor, the program or instructions when executed by the processor implementing the steps of the NFC-signal vehicle unlocking method of the security chip of any of claims 1-5.
10. A readable storage medium, characterized in that the readable storage medium stores thereon a program or instructions which, when executed by a processor, implement the steps of the NFC-signal vehicle unlocking method of the security chip of any of claims 1-5.
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