WO2020228444A1 - 基于nfc车钥匙的汽车控制方法、装置、汽车和存储介质 - Google Patents

基于nfc车钥匙的汽车控制方法、装置、汽车和存储介质 Download PDF

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Publication number
WO2020228444A1
WO2020228444A1 PCT/CN2020/083066 CN2020083066W WO2020228444A1 WO 2020228444 A1 WO2020228444 A1 WO 2020228444A1 CN 2020083066 W CN2020083066 W CN 2020083066W WO 2020228444 A1 WO2020228444 A1 WO 2020228444A1
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Prior art keywords
key
nfc
car
verification
user terminal
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PCT/CN2020/083066
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English (en)
French (fr)
Inventor
李向荣
周波
刘毅林
陆宇哲
何光波
Original Assignee
广州小鹏车联网科技有限公司
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Application filed by 广州小鹏车联网科技有限公司 filed Critical 广州小鹏车联网科技有限公司
Priority to EP20805746.3A priority Critical patent/EP3885204B1/en
Publication of WO2020228444A1 publication Critical patent/WO2020228444A1/zh

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    • 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
    • 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
    • B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • 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
    • B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
    • 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
    • B60R25/2018—Central base unlocks or authorises unlocking
    • 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
    • B60R2325/10—Communication protocols, communication systems of vehicle anti-theft devices
    • B60R2325/103—Near field communication [NFC]
    • 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
    • B60R2325/10—Communication protocols, communication systems of vehicle anti-theft devices
    • B60R2325/108—Encryption
    • 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

Definitions

  • This application relates to the field of automobile technology, and in particular to an automobile control method and device based on an NFC car key, an automobile and a storage medium.
  • the mechanical key also known as the blade key, can only be used for basic door opening and locking, etc. It has a single function, is inconvenient to carry, and is a passive device with poor anti-theft.
  • the integrated remote control key is composed of a blade key and a chip key.
  • the chip key is added to make up for the anti-theft of the blade key.
  • the chip key can also be used for functions such as buzzing the whistle to find the car, but it also has a single function and large volume. Problems such as inconvenience to carry.
  • This application discloses a car control method based on an NFC car key.
  • the method is applied to a car.
  • the car is equipped with an NFC sensor and an in-car NFC security module.
  • the NFC car key is a user terminal with NFC function.
  • the method includes:
  • the user terminal After the NFC sensor detects the user terminal and establishes a near-field communication channel with the user terminal and a data communication channel with the in-vehicle NFC security module, the user terminal is used to receive the NFC sensor When the key selection instruction is sent, determine the target NFC car key according to the selection instruction and enter the NFC recognition mode;
  • the first verification succeeds, and if the associated key corresponds to the Token information, the second verification succeeds;
  • the step of performing the third verification on the user terminal according to the NFC vehicle key service key includes:
  • the third verification succeeds.
  • the second temporary service key is generated by the user terminal based on a locally stored NFC vehicle key service key and the random number, and the NFC vehicle key service key is associated with the vehicle frame number of the automobile. Bind.
  • the step of correspondingly controlling the automobile includes:
  • the car engine is controlled to start.
  • the embodiment of the application also discloses a car control device based on an NFC car key.
  • the device is applied to a car.
  • the car is equipped with an NFC sensor and an in-car NFC security module.
  • the NFC car key is an NFC function.
  • User terminal, the device includes:
  • the NFC recognition mode entry module is used for when the NFC sensor detects the user terminal and establishes a near field communication channel with the user terminal and a data communication channel with the in-vehicle NFC security module, the user terminal is used for When receiving the key selection instruction sent by the NFC sensor, determine the target NFC car key according to the selection instruction and enter the NFC recognition mode;
  • An associated key receiving module configured to receive the associated key sent by the user terminal in the in-vehicle NFC security module
  • the first verification module is used to determine whether the associated key is in the preset whitelist for the first verification, and,
  • the second verification module is used to determine whether the Token information corresponding to the associated key is valid for the second verification
  • the verification judgment module is configured to verify the first time successfully if the associated key is in the preset whitelist, and if the associated key corresponds to the Token information valid, then the second verification succeeds;
  • the NFC vehicle key service key generation module is configured to use the associated key to calculate and generate an NFC vehicle key service key when the first verification and the second verification succeed;
  • the third verification module is configured to perform third verification on the user terminal according to the NFC vehicle key service key;
  • the car control module is used to control the car accordingly when the third verification is successful.
  • the third verification module includes:
  • Random number generation sub-module used to generate random numbers
  • the first temporary service key generation submodule is configured to generate a first temporary service key by using the random number and the NFC vehicle key service key;
  • a random number sending submodule configured to send the random number to the user terminal
  • the second temporary service key receiving submodule is configured to receive the second temporary service key fed back by the user terminal for the random number
  • a temporary service key comparison submodule which is used to compare whether the first temporary service key and the second temporary service key are consistent
  • the verification judgment sub-module is configured to verify the third time if the first temporary service key is consistent with the second temporary service key.
  • the second temporary service key is generated by the user terminal based on a locally stored NFC vehicle key service key and the random number, and the NFC vehicle key service key is associated with the vehicle frame number of the automobile. Bind.
  • the automobile control module includes:
  • the first car control sub-module is used to control the car door to be locked when the NFC car key is detected by the NFC sensor outside the car; or,
  • the second car control sub-module is used to control the unlocking of the car door when the NFC car key is detected by the NFC sensor outside the car; or,
  • the third car control sub-module is used to control the start of the car engine when the NFC car key is detected by the NFC sensor in the car.
  • the application also discloses an automobile, including a processor, a memory, and a computer program stored on the memory and capable of running on the processor.
  • the computer program is executed by the processor, the above-mentioned The steps of the NFC car key car control method.
  • the application also discloses a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the steps of the above-mentioned NFC car key-based automobile control method are realized.
  • this application includes the following advantages:
  • the user terminal when the NFC sensor on the car detects the NFC car key and establishes a near field communication channel with the NFC car key and a data communication channel with the NFC security module in the car, the user terminal is used to receive the NFC
  • the key selection instruction sent by the sensor the target NFC car key is determined according to the selection instruction and enters the NFC recognition mode.
  • the NFC security module in the car receives the associated key sent by the user terminal and determines whether the associated key is in the preset whitelist for proceeding The first verification, and judging whether the Token information corresponding to the associated key is valid for the second verification, when the first verification and the second verification are successful, continue to use the associated key to calculate and generate the NFC car key business key, and according to The NFC car key service key verifies the user terminal for the third time, and when the third verification succeeds, the car can be controlled accordingly.
  • FIG. 1 is a flow chart of the steps of a car control method based on an NFC car key provided by an embodiment of the present application;
  • FIG. 2 is a schematic diagram of a car verification structure based on an NFC car key provided by an embodiment of the present application
  • Fig. 3 is a structural block diagram of a car control device based on an NFC car key provided by an embodiment of the present application.
  • a step flow chart of a car control method based on an NFC car key provided by an embodiment of the present application, the method is applied to a car, and the car is equipped with an NFC sensor and an in-car NFC security module,
  • the NFC car key is a user terminal with NFC function.
  • An NFC car key can refer to a user terminal that supports NFC (Near Field Communication) functions, such as mobile phones, smart watches, etc., and it can have an NFC encryption chip, which can be an embedded secure element (eSE , Embedded Secure Element).
  • the NFC car key can also refer to an NFC physical card/user card with NFC function in addition to a user terminal that supports the NFC function. The embodiment of the present application does not need to limit this.
  • the in-vehicle NFC security module (VK_SE) is installed inside the vehicle and is called a lock core.
  • the internal security chip is integrated, and the whitelist mechanism usually stores the Key_Card.
  • Key_Card is the NFC virtual key service key.
  • the digital key stored in the user terminal (NFC model) or the physical card encryption chip can be generated by the AES128 algorithm + encryption machine to respond to the challenge with the VK_SE (lock core). Complete the authentication and output the result; a Key_Card corresponds to a car corresponds to a Key_Card in VK_SE.
  • an NFC sensor (NFC Reader) is also installed on the car, and the NFC Reader is used to read the data of the NFC car key.
  • the NFC Reader can be installed in the car (car armrest box), outside the car (car B-pillar), or both inside and outside the car. In practical applications, users can bring the NFC car key close to the NFC Reader, so that the NFC Reader can read data for the NFC car key.
  • the NFC car key-based car control method may include the following steps:
  • Step 101 After the NFC sensor detects a user terminal and establishes a near field communication channel with the user terminal and a data communication channel with the in-vehicle NFC security module, the user terminal is used to receive the When the key selection instruction is sent by the NFC sensor, the target NFC car key is determined according to the selection instruction and enters the NFC recognition mode.
  • the NFC Reader when the NFC Reader detects the NFC car key of the user terminal, it will establish a near field communication channel with the NFC car key after power-on, and the NFC Reader and VK_SE will establish a data communication channel. Then, the modules can be According to these channels for data communication.
  • the NFC Reader of the car sends an AID (Application Identifier) to the user terminal.
  • the user terminal selects the target NFC car key according to the AID, enters the NFC recognition mode, and performs offline authentication with the car.
  • AID Application Identifier
  • the user terminal can select the corresponding target NFC car key according to the AID, so that the user does not need to manually open the user terminal to select the target NFC car key, so that the screen can be turned off in the near field. Card experience.
  • the default NFC car key can be set on the user terminal.
  • the user terminal can enter the NFC recognition mode in the following two ways:
  • the first type set the default NFC car key.
  • the AID is sent to the user terminal through the car’s NFC Reader, the user terminal enters the NFC recognition mode, and performs offline authentication with the car to realize the near-field screen-off and no card selection experience ;
  • the second type There is no need to set the default card, and the user terminal is required to cooperate.
  • the AID is sent through the NFC Reader of the car, and the user terminal automatically selects the corresponding target NFC car key according to the AID, and then selects NFC VK according to the target NFC car key Applet (virtual key component, a system component installed in the user terminal, which is the operating environment for managing the NFC virtual key business key), enters the NFC recognition mode, and performs offline authentication with the car, which can also achieve near-field screen-off and no card selection Experience.
  • virtual key component virtual key component, a system component installed in the user terminal, which is the operating environment for managing the NFC virtual key business key
  • Step 102 The in-vehicle NFC security module receives the associated key sent by the user terminal.
  • the NFC Reader When the NFC Reader detects the NFC car key of the user terminal, it will read the key associated with the NFC car key. The associated key is Card_ID. After installing the NFC VK Applet on the NFC car key, the Card_ID of the user terminal will be created. One user terminal corresponds to one NFC VK Applet to one Card_ID; one Card_ID corresponds to multiple Key_Card business keys.
  • Step 103 Determine whether the associated key is in the preset whitelist for the first verification, and determine whether the Token information corresponding to the associated key is valid for the second verification.
  • the VK_SE in the embodiment of this application performs three verifications, which is also referred to as the three-step verification of the Key_Card service key.
  • the first verification is to determine whether Card_ID is in the preset whitelist, and the second verification is to verify whether the Token information of Card_ID is valid.
  • Step 104 If the associated key is in the preset whitelist, the first verification succeeds, and if the associated key corresponds to the Token information, the second verification succeeds.
  • step 105 can be started to perform the third verification.
  • Step 105 When the first verification and the second verification are successful, the associated key is used to calculate and generate an NFC vehicle key service key.
  • the NFC car key service key will be calculated according to the associated key, and the third verification will be performed in the three verifications.
  • VK_SE calculates Key_Card according to Card_ID, that is, the NFC vehicle key service key.
  • Step 106 Perform a third verification on the user terminal according to the NFC vehicle key service key.
  • the step 106 may include the following sub-steps:
  • the third verification succeeds.
  • VK_SE calculates Key_Card according to Card_ID, generates a random number RNG, and uses the random number RNG and Key_Card to generate the first temporary service key (Key_Tmp1).
  • VK_SE sends the random number RNG to the user terminal, and the user terminal generates the second temporary service key (Key_Tmp2) according to the Key_Card and the random number RNG stored locally in the user terminal.
  • the Key_Card is bound to the vehicle frame number (VIN) of the car, so VK_SE can send VIN in addition to sending the random number RNG to the user terminal, and the user terminal can obtain the Key_Card according to the VIN.
  • the user terminal After the user terminal generates the second temporary service key (Key_Tmp2), it sends the second temporary service key (Key_Tmp2) to the VK_SE, and the VK_SE will perform the third verification based on Key_Tmp1 and Key_Tmp2.
  • Step 107 When the third verification succeeds, control the car accordingly.
  • the step 107 may include the following steps:
  • the car engine is controlled to start.
  • the car door can be controlled to lock and/or unlock the car door.
  • the NFC car key is detected by the NFC Reader outside the car
  • the car door can be unlocked to open the car door.
  • Reader detects the NFC car key and can control the car door to lock.
  • the car engine is controlled to start.
  • the user terminal when the NFC sensor on the car detects the NFC car key and establishes a near field communication channel with the NFC car key and a data communication channel with the NFC security module in the car, the user terminal is used to receive the NFC
  • the key selection instruction sent by the sensor the target NFC car key is determined according to the selection instruction and enters the NFC recognition mode.
  • the NFC security module in the car receives the associated key sent by the user terminal and determines whether the associated key is in the preset whitelist for proceeding The first verification, and judging whether the Token information corresponding to the associated key is valid for the second verification, when the first verification and the second verification are successful, continue to use the associated key to calculate and generate the NFC car key business key, and according to The NFC car key service key verifies the user terminal for the third time, and when the third verification succeeds, the car can be controlled accordingly.
  • FIG. 2 shown is a schematic diagram of a car verification structure based on an NFC car key in this application, including an NFC physical card/mobile phone, NFC Reader and VK_SE. Based on the above structure, the process of realizing the car verification of the NFC car key includes:
  • NFC Reader sends AID, card/mobile phone choose NFC VK Applet
  • the NFC physical card/mobile phone sends Card_ID to VK_SE to verify whether Card_ID is in the preset whitelist and whether the Token information of Card_ID is valid;
  • VK_SE calculates Key_Card according to Card_ID, and generates random number RNG and temporary business key Key_Tmp1 at the same time;
  • VK_SE sends the random number RNG and VIN
  • the NFC physical card/mobile phone selects the corresponding service key Key_Card according to the VIN
  • the temporary service key Key_Tmp2 is generated by Key_Card and RNG;
  • RNG responds, verifies Key_Tmp1 and Key_Tmp2, and returns the result.
  • the car can be controlled according to the result. For example, when Key_Tmp1 and Key_Tmp2 are consistent, that is, when the verification is successful, the car can be unlocked, locked, air-conditioned, or the engine can be started.
  • FIG. 3 there is shown a structural block diagram of a car control device based on an NFC car key provided by an embodiment of the present application.
  • the device is applied to a car, and the car is equipped with an NFC sensor and an NFC security module in the car.
  • the NFC car key is a user terminal with NFC function, and the device may specifically include the following modules:
  • the NFC recognition mode entry module 201 is used for when the NFC sensor detects a user terminal and establishes a near field communication channel with the user terminal and a data communication channel with the in-vehicle NFC security module, the user terminal uses When receiving the key selection instruction sent by the NFC sensor, determine the target NFC car key according to the selection instruction and enter the NFC recognition mode;
  • the associated key receiving module 202 is configured to receive the associated key sent by the user terminal in the in-vehicle NFC security module;
  • the first verification module 203 is configured to determine whether the associated key is in the preset whitelist for the first verification, and,
  • the second verification module 204 determines whether the Token information corresponding to the associated key is valid for the second verification
  • the verification judgment module 205 is configured to verify the first time successfully if the associated key is in the preset whitelist, and if the associated key corresponds to the Token information valid, then the second verification succeeds;
  • the NFC vehicle key service key generation module 206 is configured to use the associated key to calculate and generate an NFC vehicle key service key when the first verification and the second verification succeed;
  • the third verification module 207 is configured to perform a third verification on the user terminal according to the NFC vehicle key service key;
  • the car control module 208 is used to control the car accordingly when the third verification succeeds.
  • the third verification module 207 includes:
  • Random number generation sub-module used to generate random numbers
  • the first temporary service key generation submodule is configured to generate a first temporary service key by using the random number and the NFC vehicle key service key;
  • a random number sending submodule configured to send the random number to the user terminal
  • the second temporary service key receiving submodule is configured to receive the second temporary service key fed back by the user terminal for the random number
  • a temporary service key comparison submodule which is used to compare whether the first temporary service key and the second temporary service key are consistent
  • the verification judgment sub-module is configured to verify the third time if the first temporary service key is consistent with the second temporary service key.
  • the second temporary service key is generated by the user terminal based on a locally stored NFC vehicle key service key and the random number, and the NFC vehicle key service key is associated with the vehicle frame number of the automobile. Bind.
  • the automobile control module 207 includes:
  • the first car control sub-module is used to control the car door to be locked when the NFC car key is detected by the NFC sensor outside the car; or,
  • the second car control sub-module is used to control the unlocking of the car door when the NFC car key is detected by the NFC sensor outside the car; or,
  • the third car control sub-module is used to control the start of the car engine when the NFC car key is detected by the NFC sensor in the car.
  • the description is relatively simple, and for related parts, please refer to the part of the description of the method embodiment.
  • the embodiment of the present application also provides a car, which may include a processor, a memory, and a computer program stored on the memory and capable of running on the processor.
  • a car which may include a processor, a memory, and a computer program stored on the memory and capable of running on the processor.
  • the above NFC car key-based car control method is implemented. A step of.
  • the embodiment of the present application also provides a computer-readable storage medium, and a computer program is stored on the computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the embodiments of the present application may be provided as methods, devices, or computer program products. Therefore, the embodiments of the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the embodiments of the present application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing terminal equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the instruction device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

Abstract

一种基于NFC车钥匙的汽车控制方法及装置、汽车和存储介质，基于NFC车钥匙的汽车控制方法包括：在接收到NFC感应器发送的钥匙选择指令时，根据选择指令确定目标NFC车钥匙并进入NFC识别模式；在车内NFC安全模块接收到用户终端发送的关联键；若关联键在预设白名单中则第一次验证成功，以及，若关联键对应Token信息有效则第二次验证成功；当第一次验证和第二次验证成功时，采用关联键计算生成NFC车钥匙业务密钥；根据NFC车钥匙业务密钥对用户终端进行第三次验证；当第三次验证成功时，对汽车进行相应控制。

Description

基于NFC车钥匙的汽车控制方法、装置、汽车和存储介质
相关申请的交叉引用
本申请要求于2019年05月16日提交中国专利局的申请号为CN201910410317.5、名称为“基于NFC车钥匙的汽车控制方法、装置、汽车和存储介质”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及汽车技术领域，特别是涉及一种基于NFC车钥匙的汽车控制方法及装置、汽车和存储介质。
背景技术
随着科学技术的发展，汽车已成为生活中不可以缺少的交通工具，在汽车的使用过程中，必然要使用钥匙进行开/锁车门、发动/关闭发动机等操作，汽车的钥匙通常有机械钥匙、一体化遥控钥匙等。
机械钥匙，也称刀片钥匙，只能用于基本的开门锁门等，功能单一、携带不便，且其为无源设备，防盗性不好。
一体化遥控钥匙，是由刀片钥匙和芯片钥匙构成，由于增加了芯片钥匙，弥补了刀片钥匙防盗性，且还可以采用芯片钥匙进行鸣笛找车等功能，但其也存在功能单一、体积大携带不便等问题。
发明内容
鉴于上述问题，提出了以便提供克服上述问题或者至少部分地解决上述问题的一种基于NFC车钥匙的汽车控制方法及装置、汽车和存储介质。
本申请公开了一种基于NFC车钥匙的汽车控制方法，所述方法应用于汽车，所述汽车安装有NFC感应器和车内NFC安全模块，所述NFC车钥匙为 具有NFC功能的用户终端，所述方法包括：
当所述NFC感应器检测到用户终端并与所述用户终端建立近场通信通道以及与所述车内NFC安全模块建立数据通信通道后，所述用户终端用于在接收到所述NFC感应器发送的钥匙选择指令时，根据所述选择指令确定目标NFC车钥匙并进入NFC识别模式；
在所述车内NFC安全模块接收到所述用户终端发送的关联键；
判断所述关联键是否在预设白名单中以进行第一次验证，以及，判断所述关联键对应Token信息是否有效以进行第二次验证；
若所述关联键在预设白名单中则第一次验证成功，以及，若所述关联键对应Token信息有效则第二次验证成功；
当所述第一次验证和所述第二次验证成功时，采用所述关联键计算生成NFC车钥匙业务密钥；
根据所述NFC车钥匙业务密钥对所述用户终端进行第三次验证；
当所述第三次验证成功时，对所述汽车进行相应控制。
优选地，所述根据所述NFC车钥匙业务密钥对所述用户终端进行第三次验证的步骤，包括：
生成随机数；
采用所述随机数和所述NFC车钥匙业务密钥生成第一临时业务密钥；
将所述随机数发送至所述用户终端；
接收所述用户终端针对所述随机数反馈的第二临时业务密钥；
比对所述第一临时业务密钥和所述第二临时业务密钥是否一致；
若所述第一临时业务密钥和所述第二临时业务密钥一致，则第三次验证成功。
优选地，所述第二临时业务密钥为所述用户终端基于本地保存的NFC车钥匙业务密钥和所述随机数生成，所述NFC车钥匙业务密钥与所述汽车的车辆车架号绑定。
优选地，所述对所述汽车进行相应控制的步骤，包括：
当通过车外的NFC感应器检测到NFC车钥匙时，控制所述汽车车门上锁； 或，
当通过车外的NFC感应器检测到NFC车钥匙时，控制所述汽车车门解锁；或，
当通过所述车内的NFC感应器检测到NFC车钥匙，控制所述汽车发动机启动。
本申请实施例还公开了一种基于NFC车钥匙的汽车控制装置，所述装置应用于汽车，所述汽车安装有NFC感应器和车内NFC安全模块，所述NFC车钥匙为具有NFC功能的用户终端，所述装置包括：
NFC识别模式进入模块，用于当所述NFC感应器检测到用户终端并与所述用户终端建立近场通信通道以及与所述车内NFC安全模块建立数据通信通道后，所述用户终端用于在接收到所述NFC感应器发送的钥匙选择指令时，根据所述选择指令确定目标NFC车钥匙并进入NFC识别模式；
关联键接收模块，用于在所述车内NFC安全模块接收到所述用户终端发送的关联键；
第一验证模块，用于判断所述关联键是否在预设白名单中以进行第一次验证，以及，
第二验证模块，用于判断所述关联键对应Token信息是否有效以进行第二次验证；
验证判断模块，用于若所述关联键在预设白名单中则第一次验证成功，以及，若所述关联键对应Token信息有效则第二次验证成功；
NFC车钥匙业务密钥生成模块，用于当所述第一次验证和所述第二次验证成功时，采用所述关联键计算生成NFC车钥匙业务密钥；
第三验证模块，用于根据所述NFC车钥匙业务密钥对所述用户终端进行第三次验证；
汽车控制模块，用于当所述第三次验证成功时，对所述汽车进行相应控制。
优选地，所述第三验证模块，包括：
随机数生成子模块，用于生成随机数；
第一临时业务密钥生成子模块，用于采用所述随机数和所述NFC车钥匙业务密钥生成第一临时业务密钥；
随机数发送子模块，用于将所述随机数发送至所述用户终端；
第二临时业务密钥接收子模块，用于接收所述用户终端针对所述随机数反馈的第二临时业务密钥；
临时业务密钥比对子模块，用于比对所述第一临时业务密钥和所述第二临时业务密钥是否一致；
验证判断子模块，用于若所述第一临时业务密钥和所述第二临时业务密钥一致，则第三次验证成功。
优选地，所述第二临时业务密钥为所述用户终端基于本地保存的NFC车钥匙业务密钥和所述随机数生成，所述NFC车钥匙业务密钥与所述汽车的车辆车架号绑定。
优选地，所述汽车控制模块，包括：
第一汽车控制子模块，用于当通过车外的NFC感应器检测到NFC车钥匙时，控制所述汽车车门上锁；或，
第二汽车控制子模块，用于当通过车外的NFC感应器检测到NFC车钥匙时，控制所述汽车车门解锁；或，
第三汽车控制子模块，用于当通过所述车内的NFC感应器检测到NFC车钥匙，控制所述汽车发动机启动。
本申请还公开了一种汽车，包括处理器、存储器及存储在所述存储器上并能够在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如上述的基于NFC车钥匙的汽车控制方法的步骤。
本申请还公开了一种计算机可读存储介质，所述计算机可读存储介质上存储计算机程序，所述计算机程序被处理器执行时实现如上述的基于NFC车钥匙的汽车控制方法的步骤。
与现有技术相比，本申请包括以下优点：
在本申请实施例中，当汽车上的NFC感应器检测到NFC车钥匙并与NFC车钥匙建立近场通信通道以及与车内NFC安全模块建立数据通信通道后，用 户终端用于在接收到NFC感应器发送的钥匙选择指令时，根据选择指令确定目标NFC车钥匙并进入NFC识别模式，随后，车内NFC安全模块接收用户终端发送的关联键，判断关联键是否在预设白名单中以进行第一次验证，以及，判断关联键对应Token信息是否有效以进行第二次验证，当第一次验证和第二次验证成功时，继续采用关联键计算生成NFC车钥匙业务密钥，并根据NFC车钥匙业务密钥对用户终端进行第三次验证，当第三次验证成功时，就可以对汽车进行相应的控制。应用本申请实施例，无需用户对应用户终端进行选择操作即可实现基于NFC车钥匙对汽车控制，提升了用户使用体验。
附图说明
图1是本申请实施例提供的一种基于NFC车钥匙的汽车控制方法的步骤流程图；
图2是本申请实施例提供的一种基于NFC车钥匙的汽车验证结构示意图；
图3是本申请实施例提供的一种基于NFC车钥匙的汽车控制装置的结构框图。
具体实施方式
为使本申请的上述目的、特征和优点能够更加明显易懂，下面结合附图和具体实施方式对本申请作进一步详细的说明。
参照图1，示出了本申请实施例提供的一种基于NFC车钥匙的汽车控制方法的步骤流程图，所述方法应用于汽车，所述汽车安装有NFC感应器和车内NFC安全模块，所述NFC车钥匙为具有NFC功能的用户终端。
NFC车钥匙可以是指支持NFC(Near Field Communication，近场通信)功能的用户终端，如手机、智能手表等，且其可以具有NFC加密芯片，NFC加密芯片可以为一种嵌入式安全元件(eSE，Embedded Secure Element)，除此之外，NFC车钥匙除了是支持NFC功能的用户终端之外，还可以是指具有NFC功能的NFC实体卡片/用户卡片，本申请实施例对此无需加以限制。
车内NFC安全模块(VK_SE)，安装于汽车内部，称为锁芯，内部集成安全芯片，通常白名单机制存储Key_Card。其中，Key_Card即NFC虚拟钥匙业务密钥，存储在用户终端(NFC机型)或实体卡加密芯片内的数字密钥，可由AES128算法+加密机生成，用来与VK_SE(锁芯)应答挑战，完成鉴权并输出结果；一个Key_Card对应一辆车对应一个VK_SE内Key_Card。
在本申请实施例中，在汽车上还安装有NFC感应器(NFC Reader)，NFC Reader用于读取NFC车钥匙的数据。NFC Reader可以安装于车内(汽车扶手箱)，也可以安装于车外(汽车B柱)，或者同时安装于车内和车外。在实际应用中，用户可以通过将NFC车钥匙靠近NFC Reader，使得NFC Reader能够针对NFC车钥匙进行数据读取。
具体来说，所述基于NFC车钥匙的汽车控制方法可以包括如下步骤：
步骤101，当所述NFC感应器检测到用户终端并与所述用户终端建立近场通信通道以及与所述车内NFC安全模块建立数据通信通道后，所述用户终端用于在接收到所述NFC感应器发送的钥匙选择指令时，根据所述选择指令确定目标NFC车钥匙并进入NFC识别模式。
在本申请实施例中，当NFC Reader检测到用户终端的NFC车钥匙时，上电与NFC车钥匙建立近场通信通道，并且，NFC Reader与VK_SE建立数据通信通道，随后，模块之间就可以根据这些通道进行数据通信。
当用户终端靠近汽车，汽车的NFC Reader发送AID(Application Identifier，应用标识)至用户终端，用户终端根据AID选中目标NFC车钥匙，并进入NFC识别模式，与车辆进行离线认证。通常在用户终端中设置有至少一个NFC车钥匙，用户终端可以根据AID从中选择对应的目标NFC车钥匙，使得可以无需用户自己手动打开用户终端来选中目标NFC车钥匙，实现近场灭屏无选卡使用体验。除此之外，在实际应用中，可以在用户终端上设置默认的NFC车钥匙，当接收到汽车的NFC Reader发送AID时，根据AID进入NFC识别模式，而无需用户手动选择。
综上可知，用户终端进入NFC识别模式可以有如下两种方式：
第一种：设置默认NFC车钥匙，当用户终端靠近汽车，通过汽车的NFC  Reader发送AID至用户终端，用户终端进入NFC识别模式，与汽车进行离线认证，实现近场灭屏无选卡使用体验；
第二种：不用设置默认卡，需要用户终端配合，当用户终端靠近车辆，通过汽车的NFC Reader发送AID，用户终端自动根据AID选中对应的目标NFC车钥匙，再根据目标NFC车钥匙选中NFC VK Applet(虚拟钥匙组件，安装在用户终端中的系统组件，是管理NFC虚拟钥匙业务密钥的运行环境)，进入NFC识别模式，与汽车进行离线认证，同样能够实现近场灭屏无选卡使用体验。
步骤102，在所述车内NFC安全模块接收到所述用户终端发送的关联键。
当NFC Reader检测到用户终端的NFC车钥匙后，将读取到NFC车钥匙的关联键。关联键也即是Card_ID，在NFC车钥匙上安装完成NFC VK Applet，会创建该用户终端的Card_ID，一台用户终端对应一个NFC VK Applet对应一个Card_ID；一个Card_ID对应多个Key_Card业务密钥。
步骤103，判断所述关联键是否在预设白名单中以进行第一次验证，以及，判断所述关联键对应Token信息是否有效以进行第二次验证。
本申请实施例VK_SE进行三次验证，也称为Key_Card业务密钥三步验证。第一次验证是判断Card_ID是否在预设白名单中，第二次验证是验证Card_ID的Token信息是否有效。
步骤104，若所述关联键在预设白名单中则第一次验证成功，以及，若所述关联键对应Token信息有效则第二次验证成功。
具体地，若Card_ID在预设白名单中，并且Card_ID的Token信息有效，则可以开始执行步骤105，以进行第三次验证。
步骤105，当所述第一次验证和所述第二次验证成功时，采用所述关联键计算生成NFC车钥匙业务密钥。
当三次验证中的第一次验证和第二次验证均成功时，将根据关联键计算生成NFC车钥匙业务密钥，以三次验证中的进行第三次验证。
在本申请实施例中，VK_SE根据Card_ID计算得到Key_Card，即NFC车钥匙业务密钥。
步骤106，根据所述NFC车钥匙业务密钥对所述用户终端进行第三次验证。
在本申请的一种优选实施例中，所述步骤106可以包括如下子步骤：
生成随机数；
采用所述随机数和所述NFC车钥匙业务密钥生成第一临时业务密钥；
将所述随机数发送至所述用户终端；
接收所述用户终端针对所述随机数反馈的第二临时业务密钥；
比对所述第一临时业务密钥和所述第二临时业务密钥是否一致；
若所述第一临时业务密钥和所述第二临时业务密钥一致，则第三次验证成功。
在本申请实施例中，VK_SE根据Card_ID计算得到Key_Card，同时生成随机数RNG，并采用随机数RNG和Key_Card生成第一临时业务密钥(Key_Tmp1)。
VK_SE将随机数RNG发送至用户终端，并用户终端将根据用户终端本地保存的Key_Card和随机数RNG生成第二临时业务密钥(Key_Tmp2)。其中，Key_Card与汽车的车辆车架号(VIN)绑定，因此VK_SE除了发送随机数RNG发送至用户终端，还可以发送VIN，用户终端可以根据VIN获取到Key_Card。
用户终端生成第二临时业务密钥(Key_Tmp2)后，将第二临时业务密钥(Key_Tmp2)发送至VK_SE，VK_SE将根据Key_Tmp1和Key_Tmp2进行第三次验证。
在实际应用中，若Key_Tmp1和Key_Tmp2一致，则可以确定为验证成功，此时可以实现对于汽车的控制，反之，若Key_Tmp1和Key_Tmp2不一致，则可以确定为验证失败，可以相应进行失败提醒。
当然，在实际应用中除了上述的三验之外，还可以采用其他方式来对于用户终端进行验证，本发明实施例对此无需加以限定。
步骤107，当所述第三次验证成功时，对所述汽车进行相应控制。
在本申请的一种优选实施例中，所述步骤107可以包括如下步骤：
当通过车外的NFC感应器检测到NFC车钥匙时，控制所述汽车车门上锁； 或，
当通过车外的NFC感应器检测到NFC车钥匙时，控制所述汽车车门解锁；或，
当通过所述车内的NFC感应器检测到NFC车钥匙，控制所述汽车发动机启动。
当三次验证均成功时，如果是通过在车外的NFC Reader检测到NFC车钥匙，则可以控制汽车车门上锁和/或汽车车门解锁。比如，当用户想要进入车内时，如果通过在车外的NFC Reader检测到NFC车钥匙，则可以控制汽车车门解锁从而打开车门，当用户从车内离开时，如果通过在车外的NFC Reader检测到NFC车钥匙，则可以控制汽车车门上锁。
当三次验证均成功时，如果通过所述车内的NFC感应器检测到NFC车钥匙，则控制汽车发动机启动。
在本申请实施例中，当汽车上的NFC感应器检测到NFC车钥匙并与NFC车钥匙建立近场通信通道以及与车内NFC安全模块建立数据通信通道后，用户终端用于在接收到NFC感应器发送的钥匙选择指令时，根据选择指令确定目标NFC车钥匙并进入NFC识别模式，随后，车内NFC安全模块接收用户终端发送的关联键，判断关联键是否在预设白名单中以进行第一次验证，以及，判断关联键对应Token信息是否有效以进行第二次验证，当第一次验证和第二次验证成功时，继续采用关联键计算生成NFC车钥匙业务密钥，并根据NFC车钥匙业务密钥对用户终端进行第三次验证，当第三次验证成功时，就可以对汽车进行相应的控制。应用本申请实施例，无需用户对应用户终端进行选择操作即可实现基于NFC车钥匙对汽车控制，提升了用户使用体验。
为了使本领域技术人员更好地理解本申请实施例，下面采用具体实例进行说明。参照图2，所示为本申请的一种基于NFC车钥匙的汽车验证结构示意图，包括NFC实体卡片/手机、NFC Reader和VK_SE，基于上述结构实现NFC车钥匙的汽车验证的流程包括：
1、检测到NFC实体卡片/手机，并上电开始NFC通信，建立NFC通信通道；
2、NFC Reader发AID，卡片/手机选择NFC VK Applet；
3、NFC实体卡片/手机发送Card_ID给VK_SE，验证Card_ID是否在预设白名单，Card_ID的Token信息是否有效；
4、VK_SE根据Card_ID计算得到Key_Card，同时生成随机数RNG及临时业务密钥Key_Tmp1；
5、VK_SE发送随机数RNG及VIN，NFC实体卡片/手机根据VIN选择对应业务密钥Key_Card，由Key_Card和RNG生成临时业务密钥Key_Tmp2；
6、RNG应答，验证Key_Tmp1和Key_Tmp2，返回结果。
最终，可以根据结果对应汽车进行相应控制，比如当Key_Tmp1和Key_Tmp2一致，即结果为验证成功时，可以对汽车进行车门解锁、车门上锁、打开空调或者启动汽车的发动机等等。
需要说明的是，对于方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本申请实施例并不受所描述的动作顺序的限制，因为依据本申请实施例，某些步骤可以采用其他顺序或者同时进行。其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作并不一定是本申请实施例所必须的。
参照图3，示出了本申请实施例提供的一种基于NFC车钥匙的汽车控制装置的结构框图，所述装置应用于汽车，所述汽车安装有NFC感应器和车内NFC安全模块，所述NFC车钥匙为具有NFC功能的用户终端，所述装置具体可以包括如下模块：
NFC识别模式进入模块201，用于当所述NFC感应器检测到用户终端并与所述用户终端建立近场通信通道以及与所述车内NFC安全模块建立数据通信通道后，所述用户终端用于在接收到所述NFC感应器发送的钥匙选择指令时，根据所述选择指令确定目标NFC车钥匙并进入NFC识别模式；
关联键接收模块202，用于在所述车内NFC安全模块接收到所述用户终端发送的关联键；
第一验证模块203，用于判断所述关联键是否在预设白名单中以进行第一次验证，以及，
第二验证模块204，判断所述关联键对应Token信息是否有效以进行第二次验证；
验证判断模块205，用于若所述关联键在预设白名单中则第一次验证成功，以及，若所述关联键对应Token信息有效则第二次验证成功；
NFC车钥匙业务密钥生成模块206，用于当所述第一次验证和所述第二次验证成功时，采用所述关联键计算生成NFC车钥匙业务密钥；
第三验证模块207，用于根据所述NFC车钥匙业务密钥对所述用户终端进行第三次验证；
汽车控制模块208，用于当所述第三次验证成功时，对所述汽车进行相应控制。
优选地，所述第三验证模块207，包括：
随机数生成子模块，用于生成随机数；
第一临时业务密钥生成子模块，用于采用所述随机数和所述NFC车钥匙业务密钥生成第一临时业务密钥；
随机数发送子模块，用于将所述随机数发送至所述用户终端；
第二临时业务密钥接收子模块，用于接收所述用户终端针对所述随机数反馈的第二临时业务密钥；
临时业务密钥比对子模块，用于比对所述第一临时业务密钥和所述第二临时业务密钥是否一致；
验证判断子模块，用于若所述第一临时业务密钥和所述第二临时业务密钥一致，则第三次验证成功。
优选地，所述第二临时业务密钥为所述用户终端基于本地保存的NFC车钥匙业务密钥和所述随机数生成，所述NFC车钥匙业务密钥与所述汽车的车辆车架号绑定。
优选地，所述汽车控制模块207，包括：
第一汽车控制子模块，用于当通过车外的NFC感应器检测到NFC车钥匙时，控制所述汽车车门上锁；或，
第二汽车控制子模块，用于当通过车外的NFC感应器检测到NFC车钥匙 时，控制所述汽车车门解锁；或，
第三汽车控制子模块，用于当通过所述车内的NFC感应器检测到NFC车钥匙，控制所述汽车发动机启动。
对于装置实施例而言，由于其与方法实施例基本相似，所以描述的比较简单，相关之处参见方法实施例的部分说明即可。
本申请实施例还提供了一种汽车，可以包括处理器、存储器及存储在存储器上并能够在处理器上运行的计算机程序，计算机程序被处理器执行时实现如上基于NFC车钥匙的汽车控制方法的步骤。
本申请实施例还提供了一种计算机可读存储介质，计算机可读存储介质上存储计算机程序，计算机程序被处理器执行时实现如上基于NFC车钥匙的汽车控制的步骤。
本说明书中的各个实施例均采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似的部分互相参见即可。
本领域内的技术人员应明白，本申请实施例可提供为方法、装置、或计算机程序产品。因此，本申请实施例可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本申请实施例可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本申请实施例是参照根据本申请实施例的方法、终端设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理终端设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理终端设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理终端设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理终端设备上，使得在计算机或其他可编程终端设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程终端设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本申请实施例的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例做出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本申请实施例范围的所有变更和修改。
最后，还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者终端设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者终端设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者终端设备中还存在另外的相同要素。
以上对本申请所提供的一种基于NFC车钥匙的汽车控制方法及装置、汽车和存储介质，进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的方法及其核心思想；同时，对于本领域的一般技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (10)

  1. 一种基于NFC车钥匙的汽车控制方法，其特征在于，所述方法应用于汽车，所述汽车安装有NFC感应器和车内NFC安全模块，所述NFC车钥匙为具有NFC功能的用户终端，所述方法包括：
    当所述NFC感应器检测到用户终端并与所述用户终端建立近场通信通道以及与所述车内NFC安全模块建立数据通信通道后，所述用户终端用于在接收到所述NFC感应器发送的钥匙选择指令时，根据所述选择指令确定目标NFC车钥匙并进入NFC识别模式；
    在所述车内NFC安全模块接收到所述用户终端发送的关联键；
    判断所述关联键是否在预设白名单中以进行第一次验证，以及，判断所述关联键对应Token信息是否有效以进行第二次验证；
    若所述关联键在预设白名单中则第一次验证成功，以及，若所述关联键对应Token信息有效则第二次验证成功；
    当所述第一次验证和所述第二次验证成功时，采用所述关联键计算生成NFC车钥匙业务密钥；
    根据所述NFC车钥匙业务密钥对所述用户终端进行第三次验证；
    当所述第三次验证成功时，对所述汽车进行相应控制。
  2. 根据权利要求1所述的方法，其特征在于，所述根据所述NFC车钥匙业务密钥对所述用户终端进行第三次验证的步骤，包括：
    生成随机数；
    采用所述随机数和所述NFC车钥匙业务密钥生成第一临时业务密钥；
    将所述随机数发送至所述用户终端；
    接收所述用户终端针对所述随机数反馈的第二临时业务密钥；
    比对所述第一临时业务密钥和所述第二临时业务密钥是否一致；
    若所述第一临时业务密钥和所述第二临时业务密钥一致，则第三次验证成功。
  3. 根据权利要求2所述的方法，其特征在于，所述第二临时业务密钥为所述用户终端基于本地保存的NFC车钥匙业务密钥和所述随机数生成，所 述NFC车钥匙业务密钥与所述汽车的车辆车架号绑定。
  4. 根据权利要求1所述的方法，其特征在于，所述对所述汽车进行相应控制的步骤，包括：
    当通过车外的NFC感应器检测到NFC车钥匙时，控制所述汽车车门上锁；或，
    当通过车外的NFC感应器检测到NFC车钥匙时，控制所述汽车车门解锁；或，
    当通过所述车内的NFC感应器检测到NFC车钥匙，控制所述汽车发动机启动。
  5. 一种基于NFC车钥匙的汽车控制装置，其特征在于，所述装置应用于汽车，所述汽车安装有NFC感应器和车内NFC安全模块，所述NFC车钥匙为具有NFC功能的用户终端，所述装置包括：
    NFC识别模式进入模块，用于当所述NFC感应器检测到用户终端并与所述用户终端建立近场通信通道以及与所述车内NFC安全模块建立数据通信通道后，所述用户终端用于在接收到所述NFC感应器发送的钥匙选择指令时，根据所述选择指令确定目标NFC车钥匙并进入NFC识别模式；
    关联键接收模块，用于在所述车内NFC安全模块接收到所述用户终端发送的关联键；
    第一验证模块，用于判断所述关联键是否在预设白名单中以进行第一次验证，以及，
    第二验证模块，用于判断所述关联键对应Token信息是否有效以进行第二次验证；
    验证判断模块，用于若所述关联键在预设白名单中则第一次验证成功，以及，若所述关联键对应Token信息有效则第二次验证成功；
    NFC车钥匙业务密钥生成模块，用于当所述第一次验证和所述第二次验证成功时，采用所述关联键计算生成NFC车钥匙业务密钥；
    第三验证模块，用于根据所述NFC车钥匙业务密钥对所述用户终端进行第三次验证；
    汽车控制模块，用于当所述第三次验证成功时，对所述汽车进行相应控制。
  6. 根据权利要求5所述的装置，其特征在于，所述第三验证模块，包括：
    随机数生成子模块，用于生成随机数；
    第一临时业务密钥生成子模块，用于采用所述随机数和所述NFC车钥匙业务密钥生成第一临时业务密钥；
    随机数发送子模块，用于将所述随机数发送至所述用户终端；
    第二临时业务密钥接收子模块，用于接收所述用户终端针对所述随机数反馈的第二临时业务密钥；
    临时业务密钥比对子模块，用于比对所述第一临时业务密钥和所述第二临时业务密钥是否一致；
    验证判断子模块，用于若所述第一临时业务密钥和所述第二临时业务密钥一致，则第三次验证成功。
  7. 根据权利要求6所述的装置，其特征在于，所述第二临时业务密钥为所述用户终端基于本地保存的NFC车钥匙业务密钥和所述随机数生成，所述NFC车钥匙业务密钥与所述汽车的车辆车架号绑定。
  8. 根据权利要求5所述的装置，其特征在于，所述汽车控制模块，包括：
    第一汽车控制子模块，用于当通过车外的NFC感应器检测到NFC车钥匙时，控制所述汽车车门上锁；或，
    第二汽车控制子模块，用于当通过车外的NFC感应器检测到NFC车钥匙时，控制所述汽车车门解锁；或，
    第三汽车控制子模块，用于当通过所述车内的NFC感应器检测到NFC车钥匙，控制所述汽车发动机启动。
  9. 一种汽车，其特征在于，包括处理器、存储器及存储在所述存储器上并能够在所述处理器上运行的计算机程序，所述计算机程序被所述处理器 执行时实现如权利要求1至4中任一项所述的基于NFC车钥匙的汽车控制方法的步骤。
  10. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质上存储计算机程序，所述计算机程序被处理器执行时实现如权利要求1至4中任一项所述的基于NFC车钥匙的汽车控制方法的步骤。
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