WO2012163244A1 - Near field communication terminal with security mechanism - Google Patents

Near field communication terminal with security mechanism Download PDF

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Publication number
WO2012163244A1
WO2012163244A1 PCT/CN2012/075971 CN2012075971W WO2012163244A1 WO 2012163244 A1 WO2012163244 A1 WO 2012163244A1 CN 2012075971 W CN2012075971 W CN 2012075971W WO 2012163244 A1 WO2012163244 A1 WO 2012163244A1
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WO
WIPO (PCT)
Prior art keywords
communication terminal
short
wireless communication
range wireless
nfc
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PCT/CN2012/075971
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French (fr)
Chinese (zh)
Inventor
王晓君
杨金华
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惠州Tcl移动通信有限公司
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Publication of WO2012163244A1 publication Critical patent/WO2012163244A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/34—User authentication involving the use of external additional devices, e.g. dongles or smart cards
    • G06F21/35—User authentication involving the use of external additional devices, e.g. dongles or smart cards communicating wirelessly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/12—Detection or prevention of fraud
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2105—Dual mode as a secondary aspect
    • 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

Definitions

  • the present invention relates to the field of mobile payment technologies, and in particular, to a short-range wireless communication terminal having a security mechanism.
  • NFC Near Field Communication, short-range wireless communication technology
  • POS Point of The sales, electronic cash register system
  • an object of the present invention is to provide a short-range wireless communication terminal having a security mechanism, which can improve the security performance of a short-range wireless communication terminal.
  • a short-range wireless communication terminal having a security mechanism comprising: a smart card for payment, wherein the smart card is provided with a security control unit for performing security authentication; an NFC antenna for receiving data information; and being connected with the NFC antenna, An NFC controller for performing data processing and transformation; further comprising: a control switch for controlling opening and closing of the safety control unit; receiving an interrupt signal sent by the NFC controller, and performing corresponding according to the interrupt signal An operating baseband processor; the baseband processor having an ADC unit for detecting an on/off state of the control switch; the NFC controller being coupled to a baseband processor; the NFC controller also respectively utilizing the control switch The smart card is connected to the ADC unit.
  • the short-range wireless communication terminal with a security mechanism further comprising a voice prompt module connected to the baseband processor, configured to prompt the on/off state of the control switch when the short-range wireless communication terminal is close to the NFC card reader .
  • the short-range wireless communication terminal with a security mechanism further includes a display module connected to the baseband processor, configured to display an on-off state of the control switch when the short-range wireless communication terminal approaches the NFC card reader.
  • the short-range wireless communication terminal with a safety mechanism, wherein a button for controlling on/off of the control switch is disposed on the short-range wireless communication terminal.
  • the short-range wireless communication terminal with security mechanism wherein the impedance of the control switch is:
  • Vmin is the minimum output voltage of the NFC controller
  • VSEmin is the minimum receiving voltage of the safety control unit
  • I is the maximum operating current
  • the short-range wireless communication terminal with a security mechanism wherein the short-range wireless communication terminal is a mobile phone.
  • the short-range wireless communication terminal with a security mechanism wherein the smart card is a smart SD card or a smart SIM card.
  • the short-range wireless communication terminal with security mechanism wherein the button is located on a side of the mobile phone.
  • the short-range wireless communication terminal (NFC terminal) with security mechanism provided by the invention adopts a control switch on the power supply path of the NFC controller and the security control unit, and adopts an ADC in the baseband processor (Analog-to-Digital)
  • the converter, analog/digital converter unit detects the state of the control switch to prompt the user to control the on/off state of the control switch accordingly, thereby improving the safety performance of the short-range wireless communication terminal and preventing the NFC terminal from being deducted.
  • FIG. 1 is a structural block diagram of a preferred embodiment of a short-range wireless communication terminal having a security mechanism according to the present invention.
  • FIG. 2 is a schematic view of a preferred embodiment of the present invention.
  • the present invention provides a short-range wireless communication terminal having a security mechanism.
  • the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • a short-range wireless communication terminal with a security mechanism includes a smart card, an NFC antenna 11 , an NFC controller, a baseband processor, and a control switch SW1.
  • the smart card is provided with a security control unit.
  • the safety control unit is connected to the NFC controller for performing safety certification when the NFC terminal is used as a card mode, and is powered by the NFC controller.
  • the smart card is connected to the NFC controller through the SWP bus for paying for consumption of the user when the NFC terminal is in the card mode.
  • the NFC antenna 11 is connected to the NFC control for transmitting and receiving data information.
  • the NFC controller is used for data processing and conversion, and issues an interrupt signal to the baseband processor when the NFC terminal is close to the NFC card reader.
  • the mode of the baseband processor is interrupted by the NFC controller, which effectively reduces the load that the traditional inquiry mode brings to the NFC terminal, and saves the power of the NFC terminal.
  • the baseband processor is connected to the NFC controller for receiving an interrupt signal sent by the NFC controller, and performing corresponding operations according to the interrupt signal, such as controlling the NFC terminal to perform its NFC function to deduct the corresponding fee in the smart card.
  • the control switch SW1 is used for controlling the opening and closing of the safety control unit, thereby controlling the opening and closing of the power supply path of the safety control unit in the NFC controller and the smart card. Wherein, when the control switch SW1 is in an open state, the power supply path of the NFC controller and the safety control unit is turned on, and the VCC voltage is supplied by the NFC controller to power the safety control unit, and the NFC function is normally turned on, and the control switch SW1 is turned off. When, just the opposite.
  • the baseband processor has an ADC unit, and the NFC controller is respectively connected to the smart card and the ADC unit through the control switch SW1.
  • the ADC unit is configured to detect an on-off state of the control switch SW1.
  • the ADC unit detects the on/off state of the control switch SW1 by detecting whether there is a voltage on the power supply path of the NFC controller and the safety control unit, and the voltage detected by the ADC unit on the power supply path is In VCC, it indicates that the control switch SW1 is turned on. At this time, the NFC function of the NFC terminal can be normally turned on; otherwise, the opposite is true.
  • the control switch SW1 Since the NFC terminal needs to work in the power-on mode or the power-off mode when the NFC terminal is in the card mode, the control switch SW1 needs to adopt a mechanical switch.
  • a button is disposed at a corresponding position of the short-range wireless communication terminal, and the button is located above the control switch SW1 for controlling the opening and closing of the control switch SW1.
  • the impedance required by the control switch SW1 satisfies the following conditions:
  • Vmin is the minimum output voltage of the NFC controller
  • VSEmin is the minimum receiving voltage of the safety control unit
  • I is the maximum operating current
  • a short-range wireless communication terminal with a security mechanism further includes a voice prompt module, and the voice prompt module is connected to a baseband processor for use in a short-range wireless communication terminal and an NFC card reader.
  • a voice is output to prompt the on/off state of the control switch SW1.
  • the function of the voice prompting module can be set by software.
  • the short-range wireless communication terminal with the security mechanism provided by the embodiment of the present invention further includes a display module, and the display module is an LCD (Liquid Crystal)
  • the display liquid crystal display
  • the function of the display module can also be set by software.
  • the short-range wireless communication terminal with security mechanism provided by the embodiment of the present invention is preferably a mobile phone
  • the smart card is a smart SD card in the mobile phone (Secure Digital Memory Card, or Smart SIM card (Subscriber Identity) Module, customer identification module)
  • the button is preferably disposed on the side of the mobile phone, as shown in FIG. 2, and is used as the side button 21 of the mobile phone to facilitate user operation.
  • the short-range wireless communication terminal with security mechanism adopts a control switch on the power supply path of the NFC controller and the security control unit, and detects the state of the control switch through the ADC unit in the baseband processor. To prompt the user to control the on/off state of the control switch, thereby improving the safety performance of the short-range wireless communication terminal and preventing the NFC terminal from being deducted.

Abstract

Disclosed is a near field communication (NFC) terminal with a security mechanism, comprising: a smart card, a security control unit, an NFC antenna, an NFC controller, a control switch to control the activation and deactivation of the security control unit, and a baseband processor. The baseband processor is provided with an ADC unit to detect the on/off status of the control switch. The NFC controller is connected to the baseband processor, and the NFC controller is respectively connected to the smart card and the ADC unit through the control switch. With a control switch disposed on the power supply channel of the NFC controller and the security control unit, and with the ADC unit in the baseband processor detecting the status of the control switch, the NFC terminal with the security mechanism provided in the present invention prompts a user to control the on/off status of the control switch, thus improving the security performance of the NFC terminal and preventing the NFC terminal from mistakenly charging fees.

Description

一种具有安全机制的近距离无线通讯终端  Short-range wireless communication terminal with security mechanism
技术领域Technical field
本发明涉及移动支付技术领域，特别涉及一种具有安全机制的近距离无线通讯终端。The present invention relates to the field of mobile payment technologies, and in particular, to a short-range wireless communication terminal having a security mechanism.
背景技术Background technique
随着移动支付的发展，具有NFC（Near Field Communication，近距离无线通讯技术）功能的终端越来越多。但目前NFC终端支付时存在安全隐患，比如：有人拿POS（Point of sales，电子收款机系统）机故意接近用户的NFC终端来吸费、NFC终端作为公交卡不小心接触读卡器被付费等，这些安全问题越来越需要引起注意。With the development of mobile payment, with NFC (Near Field Communication, short-range wireless communication technology) has more and more terminals. However, there are security risks when paying for NFC terminals. For example, someone takes POS (Point of The sales, electronic cash register system) is deliberately close to the user's NFC terminal to absorb fees, the NFC terminal as a bus card accidentally contacted the card reader is paid, etc., these security issues need more and more attention.
因而现有技术还有待改进和提高。Therefore, the prior art has yet to be improved and improved.
发明内容Summary of the invention
鉴于上述现有技术的不足之处，本发明的目的在于提供一种具有安全机制的近距离无线通讯终端，能提高近距离无线通讯终端的安全性能。In view of the above deficiencies of the prior art, an object of the present invention is to provide a short-range wireless communication terminal having a security mechanism, which can improve the security performance of a short-range wireless communication terminal.
为了达到上述目的，本发明采取了以下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
一种具有安全机制的近距离无线通讯终端，包括：用于支付的智能卡，所述智能卡内设置有用于进行安全认证的安全控制单元；用于接收数据信息的NFC天线；与NFC天线连接的，用于进行数据处理和变换的NFC控制器；其中，还包括：用于控制所述安全控制单元的启闭的控制开关；用于接收NFC控制器发出的中断信号，并根据该中断信号执行相应操作的基带处理器；所述基带处理器具有用于检测所述控制开关的通断状态的ADC单元；所述NFC控制器与基带处理器连接；该NFC控制器还通过所述控制开关分别与所述智能卡和ADC单元连接。A short-range wireless communication terminal having a security mechanism, comprising: a smart card for payment, wherein the smart card is provided with a security control unit for performing security authentication; an NFC antenna for receiving data information; and being connected with the NFC antenna, An NFC controller for performing data processing and transformation; further comprising: a control switch for controlling opening and closing of the safety control unit; receiving an interrupt signal sent by the NFC controller, and performing corresponding according to the interrupt signal An operating baseband processor; the baseband processor having an ADC unit for detecting an on/off state of the control switch; the NFC controller being coupled to a baseband processor; the NFC controller also respectively utilizing the control switch The smart card is connected to the ADC unit.
所述的具有安全机制的近距离无线通讯终端，其中，还包括与基带处理器连接的语音提示模块，用于在近距离无线通讯终端与NFC读卡器靠近时，提示控制开关的通断状态。The short-range wireless communication terminal with a security mechanism, further comprising a voice prompt module connected to the baseband processor, configured to prompt the on/off state of the control switch when the short-range wireless communication terminal is close to the NFC card reader .
所述的具有安全机制的近距离无线通讯终端，其中，还包括与基带处理器连接的显示模块，用于在近距离无线通讯终端与NFC读卡器靠近时，显示控制开关的通断状态。The short-range wireless communication terminal with a security mechanism further includes a display module connected to the baseband processor, configured to display an on-off state of the control switch when the short-range wireless communication terminal approaches the NFC card reader.
所述的具有安全机制的近距离无线通讯终端，其中，在所述近距离无线通讯终端上设置有用于控制所述控制开关的通断的按键。The short-range wireless communication terminal with a safety mechanism, wherein a button for controlling on/off of the control switch is disposed on the short-range wireless communication terminal.
所述的具有安全机制的近距离无线通讯终端，其中，所述控制开关的阻抗为：The short-range wireless communication terminal with security mechanism, wherein the impedance of the control switch is:
R＝（V  R=(V min Min –VSE –VSE min Min ）/I )/I
其中，Vmin为NFC控制器的最小输出电压，VSEmin为安全控制单元的最小接收电压，I为最大工作电流。Where Vmin is the minimum output voltage of the NFC controller, VSEmin is the minimum receiving voltage of the safety control unit, and I is the maximum operating current.
所述的具有安全机制的近距离无线通讯终端，其中，所述近距离无线通讯终端为手机。The short-range wireless communication terminal with a security mechanism, wherein the short-range wireless communication terminal is a mobile phone.
所述的具有安全机制的近距离无线通讯终端，其中，所述智能卡为智能SD卡或者智能SIM卡。The short-range wireless communication terminal with a security mechanism, wherein the smart card is a smart SD card or a smart SIM card.
所述的具有安全机制的近距离无线通讯终端，其中，所述按键位于手机的侧面上。The short-range wireless communication terminal with security mechanism, wherein the button is located on a side of the mobile phone.
本发明提供的具有安全机制的近距离无线通讯终端（NFC终端），采用了在NFC控制器与安全控制单元的供电通路上设置控制开关，并通过基带处理器内的ADC（Analog-to-Digital Converter，模/数转换器）单元检测控制开关的状态，来提示用户相应控制控制开关的通断状态，从而提高近距离无线通讯终端安全性能，防止了NFC终端误扣费。The short-range wireless communication terminal (NFC terminal) with security mechanism provided by the invention adopts a control switch on the power supply path of the NFC controller and the security control unit, and adopts an ADC in the baseband processor (Analog-to-Digital) The converter, analog/digital converter unit detects the state of the control switch to prompt the user to control the on/off state of the control switch accordingly, thereby improving the safety performance of the short-range wireless communication terminal and preventing the NFC terminal from being deducted.
附图说明DRAWINGS
图1为本发明具有安全机制的近距离无线通讯终端较佳实施例的结构框图。1 is a structural block diagram of a preferred embodiment of a short-range wireless communication terminal having a security mechanism according to the present invention.
图2为本发明一较佳实施例的示意图。2 is a schematic view of a preferred embodiment of the present invention.
具体实施方式detailed description
本发明提供具有安全机制的近距离无线通讯终端，为使本发明的目的、技术方案及效果更加清楚、明确，以下参照附图并举实例对本发明进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。The present invention provides a short-range wireless communication terminal having a security mechanism. The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
请参阅图1，本发明实施例提供的具有安全机制的近距离无线通讯终端包括智能卡、NFC天线11、NFC控制器、基带处理器和控制开关SW1，所述智能卡内设置有安全控制单元，该安全控制单元与NFC控制器连接，用于在NFC终端作为卡模式使用时，进行安全认证，并且由NFC控制器提供电源。Referring to FIG. 1 , a short-range wireless communication terminal with a security mechanism provided by an embodiment of the present invention includes a smart card, an NFC antenna 11 , an NFC controller, a baseband processor, and a control switch SW1. The smart card is provided with a security control unit. The safety control unit is connected to the NFC controller for performing safety certification when the NFC terminal is used as a card mode, and is powered by the NFC controller.
所述智能卡通过SWP总线与NFC控制器连接，用于在NFC终端作为卡模式时对用户的消费进行支付。所述NFC天线11与NFC控制连接，用于收发数据信息，所述NFC控制器用于进行数据处理和变换，并且在NFC终端靠近NFC读卡器时，发出中断信号给基带处理器。本实施例通过NFC控制器中断基带处理器的模式，有效降低了传统探询模式给NFC终端带来的负载，节省了NFC终端的电量。The smart card is connected to the NFC controller through the SWP bus for paying for consumption of the user when the NFC terminal is in the card mode. The NFC antenna 11 is connected to the NFC control for transmitting and receiving data information. The NFC controller is used for data processing and conversion, and issues an interrupt signal to the baseband processor when the NFC terminal is close to the NFC card reader. In this embodiment, the mode of the baseband processor is interrupted by the NFC controller, which effectively reduces the load that the traditional inquiry mode brings to the NFC terminal, and saves the power of the NFC terminal.
所述基带处理器与NFC控制器连接，用于接收NFC控制器发出的中断信号，并根据该中断信号执行相应操作，如控制NFC终端执行其NFC功能扣除智能卡中的相应费用。所述控制开关SW1用于控制所述安全控制单元的启闭，从而控制NFC控制器与智能卡中的安全控制单元的供电通路的通和断。其中，控制开关SW1为打开状态时，NFC控制器与安全控制单元的供电通路导通，由NFC控制器提供VCC电压给安全控制单元上电，此时NFC功能正常开启，控制开关SW1处于关闭状态时，刚好相反。The baseband processor is connected to the NFC controller for receiving an interrupt signal sent by the NFC controller, and performing corresponding operations according to the interrupt signal, such as controlling the NFC terminal to perform its NFC function to deduct the corresponding fee in the smart card. The control switch SW1 is used for controlling the opening and closing of the safety control unit, thereby controlling the opening and closing of the power supply path of the safety control unit in the NFC controller and the smart card. Wherein, when the control switch SW1 is in an open state, the power supply path of the NFC controller and the safety control unit is turned on, and the VCC voltage is supplied by the NFC controller to power the safety control unit, and the NFC function is normally turned on, and the control switch SW1 is turned off. When, just the opposite.
请继续参阅图1，所述基带处理器中具有ADC单元，所述NFC控制器通过所述控制开关SW1分别与所述智能卡和ADC单元连接。所述ADC单元用于检测所述控制开关SW1的通断状态。本实施例中，所述ADC单元通过检测NFC控制器与安全控制单元的供电通路上是否存在电压来实现对控制开关SW1的通断状态的检测，在ADC单元检测到该供电通路上的电压为VCC时，表示控制开关SW1导通，此时NFC终端的NFC功能可以正常开启；反之，则相反。Referring to FIG. 1 , the baseband processor has an ADC unit, and the NFC controller is respectively connected to the smart card and the ADC unit through the control switch SW1. The ADC unit is configured to detect an on-off state of the control switch SW1. In this embodiment, the ADC unit detects the on/off state of the control switch SW1 by detecting whether there is a voltage on the power supply path of the NFC controller and the safety control unit, and the voltage detected by the ADC unit on the power supply path is In VCC, it indicates that the control switch SW1 is turned on. At this time, the NFC function of the NFC terminal can be normally turned on; otherwise, the opposite is true.
由于NFC终端作为卡模式时，NFC终端无论在开机模式还是关机模式都需要工作，所以所述控制开关SW1需采用机械开关。在具体实施时，在所述近距离无线通讯终端的相应位置上设置有按键，该按键位于控制开关SW1的上方，用于控制所述控制开关SW1的开和关。并且，所述控制开关SW1需的阻抗满足以下条件：Since the NFC terminal needs to work in the power-on mode or the power-off mode when the NFC terminal is in the card mode, the control switch SW1 needs to adopt a mechanical switch. In a specific implementation, a button is disposed at a corresponding position of the short-range wireless communication terminal, and the button is located above the control switch SW1 for controlling the opening and closing of the control switch SW1. Moreover, the impedance required by the control switch SW1 satisfies the following conditions:
R＝（V R=(V min Min –VSE –VSE min Min ）/I )/I
其中，Vmin为NFC控制器的最小输出电压，VSEmin为安全控制单元的最小接收电压，I为最大工作电流。Where Vmin is the minimum output voltage of the NFC controller, VSEmin is the minimum receiving voltage of the safety control unit, and I is the maximum operating current.
请继续参阅图1，本发明实施例提供的具有安全机制的近距离无线通讯终端还包括语音提示模块，该语音提示模块与基带处理器连接，用于在近距离无线通讯终端与NFC读卡器靠近时，输出语音来提示控制开关SW1的通断状态。在具体实施时，语音提示模块的功能可以通过软件进行设置，在需要NFC终端付费、且控制开关SW1关闭时，输出相应语音提示用户将控制开关SW1打开，来实现NFC操作。Referring to FIG. 1 , a short-range wireless communication terminal with a security mechanism according to an embodiment of the present invention further includes a voice prompt module, and the voice prompt module is connected to a baseband processor for use in a short-range wireless communication terminal and an NFC card reader. When approaching, a voice is output to prompt the on/off state of the control switch SW1. In a specific implementation, the function of the voice prompting module can be set by software. When the NFC terminal is required to pay and the control switch SW1 is turned off, the corresponding voice is output to prompt the user to turn on the control switch SW1 to implement the NFC operation.
在进一步的实施例中，本发明实施例提供的具有安全机制的近距离无线通讯终端还包括显示模块，所述显示模块为LCD（Liquid Crystal Display，液晶显示器）显示屏，其与基带处理器连接，用于在近距离无线通讯终端与NFC读卡器靠近时，显示控制开关SW1的通断状态。相似的，所述显示模块的功能也可以通过软件进行设置，在需要NFC终端付费、且控制开关SW1关闭时，提示用户需要将控制开关SW1打开的相应文字。In a further embodiment, the short-range wireless communication terminal with the security mechanism provided by the embodiment of the present invention further includes a display module, and the display module is an LCD (Liquid Crystal) The display (liquid crystal display) is connected to the baseband processor for displaying the on/off state of the control switch SW1 when the short-range wireless communication terminal approaches the NFC card reader. Similarly, the function of the display module can also be set by software. When the NFC terminal is required to pay and the control switch SW1 is turned off, the user is prompted to open the corresponding text of the control switch SW1.
本发明实施例提供的具有安全机制的近距离无线通讯终端优选为手机，所述智能卡为手机中的智能SD卡（Secure Digital Memory Card，安全数码卡）或者智能SIM卡（Subscriber Identity Module，客户识别模块），并且所述按键优选设置在手机的侧面上，如图2所示，使其作为手机的侧键21，以便于用户操作。The short-range wireless communication terminal with security mechanism provided by the embodiment of the present invention is preferably a mobile phone, and the smart card is a smart SD card in the mobile phone (Secure Digital Memory Card, or Smart SIM card (Subscriber Identity) Module, customer identification module), and the button is preferably disposed on the side of the mobile phone, as shown in FIG. 2, and is used as the side button 21 of the mobile phone to facilitate user operation.
综上所述，本发明提供的具有安全机制的近距离无线通讯终端采用了在NFC控制器与安全控制单元的供电通路上设置控制开关，并通过基带处理器内的ADC单元检测控制开关的状态，来提示用户来控制控制开关的通断状态，从而提高近距离无线通讯终端安全性能，防止了NFC终端误扣费。In summary, the short-range wireless communication terminal with security mechanism provided by the present invention adopts a control switch on the power supply path of the NFC controller and the security control unit, and detects the state of the control switch through the ADC unit in the baseband processor. To prompt the user to control the on/off state of the control switch, thereby improving the safety performance of the short-range wireless communication terminal and preventing the NFC terminal from being deducted.
可以理解的是，对本领域普通技术人员来说，可以根据本发明的技术方案及其发明构思加以等同替换或改变，而所有这些改变或替换都应属于本发明所附的权利要求的保护范围。 It is to be understood that those skilled in the art can make equivalent substitutions or changes to the inventions and the inventions of the present invention, and all such changes or substitutions fall within the scope of the appended claims.

Claims (18)

  1. 一种具有安全机制的近距离无线通讯终端，包括：A short-range wireless communication terminal with security mechanism, comprising:
    用于支付的智能卡，所述智能卡内设置有用于进行安全认证的安全控制单元；a smart card for payment, wherein the smart card is provided with a security control unit for performing security authentication;
    用于接收数据信息的NFC天线；An NFC antenna for receiving data information;
    与NFC天线连接的，用于进行数据处理和变换的NFC控制器；An NFC controller connected to the NFC antenna for data processing and transformation;
    其特征在于，还包括：It is characterized by:
    用于控制所述安全控制单元的启闭的控制开关；a control switch for controlling opening and closing of the safety control unit;
    用于接收NFC控制器发出的中断信号，并根据该中断信号执行相应操作的基带处理器；a baseband processor for receiving an interrupt signal from an NFC controller and performing a corresponding operation according to the interrupt signal;
    所述基带处理器具有用于检测所述控制开关的通断状态的ADC单元；The baseband processor has an ADC unit for detecting an on/off state of the control switch;
    所述NFC控制器与基带处理器连接，该NFC控制器还通过所述控制开关分别与所述智能卡和ADC单元连接;The NFC controller is connected to a baseband processor, and the NFC controller is further connected to the smart card and the ADC unit through the control switch;
    与所述基带处理器连接的语音提示模块，用于在近距离无线通讯终端与NFC读卡器靠近时，提示控制开关的通断状态;a voice prompting module connected to the baseband processor, configured to prompt the on/off state of the control switch when the short-range wireless communication terminal is close to the NFC card reader;
    与所述基带处理器连接的显示模块，用于在近距离无线通讯终端与NFC读卡器靠近时，显示控制开关的通断状态;a display module connected to the baseband processor, configured to display an on/off state of the control switch when the short-range wireless communication terminal is close to the NFC card reader;
    在所述近距离无线通讯终端上设置有用于控制所述控制开关的通断的按键;a button for controlling on and off of the control switch is disposed on the short-range wireless communication terminal;
    所述控制开关的阻抗为：The impedance of the control switch is:
    R＝（V R=(V min Min –VSE –VSE min Min ）/I )/I
    其中，Vmin为NFC控制器的最小输出电压，VSEmin为安全控制单元的最小接收电压，I为最大工作电流。Where Vmin is the minimum output voltage of the NFC controller, VSEmin is the minimum receiving voltage of the safety control unit, and I is the maximum operating current.
  2. 根据权利要求1所述的具有安全机制的近距离无线通讯终端，其特征在于，所述近距离无线通讯终端为手机。 The short-range wireless communication terminal with security mechanism according to claim 1, wherein the short-range wireless communication terminal is a mobile phone.
  3. 根据权利要求2所述的具有安全机制的近距离无线通讯终端，其特征在于，所述智能卡为智能SD卡或者智能SIM卡。 The short-range wireless communication terminal with security mechanism according to claim 2, wherein the smart card is a smart SD card or a smart SIM card.
  4. 根据权利要求2所述的具有安全机制的近距离无线通讯终端，其特征在于，所述按键位于手机的侧面上。The short-range wireless communication terminal with security mechanism according to claim 2, wherein the button is located on a side of the mobile phone.
  5. 一种具有安全机制的近距离无线通讯终端，包括：A short-range wireless communication terminal with security mechanism, comprising:
    用于支付的智能卡，所述智能卡内设置有用于进行安全认证的安全控制单元；a smart card for payment, wherein the smart card is provided with a security control unit for performing security authentication;
    用于接收数据信息的NFC天线；An NFC antenna for receiving data information;
    与NFC天线连接的，用于进行数据处理和变换的NFC控制器；An NFC controller connected to the NFC antenna for data processing and transformation;
    其特征在于，还包括：It is characterized by:
    用于控制所述安全控制单元的启闭的控制开关；a control switch for controlling opening and closing of the safety control unit;
    用于接收NFC控制器发出的中断信号，并根据该中断信号执行相应操作的基带处理器；a baseband processor for receiving an interrupt signal from an NFC controller and performing a corresponding operation according to the interrupt signal;
    所述基带处理器具有用于检测所述控制开关的通断状态的ADC单元；The baseband processor has an ADC unit for detecting an on/off state of the control switch;
    所述NFC控制器与基带处理器连接，该NFC控制器还通过所述控制开关分别与所述智能卡和ADC单元连接;The NFC controller is connected to a baseband processor, and the NFC controller is further connected to the smart card and the ADC unit through the control switch;
    与所述基带处理器连接的语音提示模块，用于在近距离无线通讯终端与NFC读卡器靠近时，提示控制开关的通断状态;a voice prompting module connected to the baseband processor, configured to prompt the on/off state of the control switch when the short-range wireless communication terminal is close to the NFC card reader;
    与所述基带处理器连接的显示模块，用于在近距离无线通讯终端与NFC读卡器靠近时，显示控制开关的通断状态。And a display module connected to the baseband processor, configured to display an on/off state of the control switch when the short-range wireless communication terminal approaches the NFC card reader.
  6. 根据权利要求5所述的具有安全机制的近距离无线通讯终端，其特征在于，在所述近距离无线通讯终端上设置有用于控制所述控制开关的通断的按键。A short-range wireless communication terminal having a security mechanism according to claim 5, wherein a button for controlling on/off of said control switch is provided on said short-range wireless communication terminal.
  7. 根据权利要求5所述的具有安全机制的近距离无线通讯终端，其特征在于，所述控制开关的阻抗为：The short-range wireless communication terminal with security mechanism according to claim 5, wherein the impedance of the control switch is:
    R＝（V R=(V min Min –VSE –VSE min Min ）/I )/I
    其中，Vmin为NFC控制器的最小输出电压，VSEmin为安全控制单元的最小接收电压，I为最大工作电流。Where Vmin is the minimum output voltage of the NFC controller, VSEmin is the minimum receiving voltage of the safety control unit, and I is the maximum operating current.
  8. 根据权利要求5所述的具有安全机制的近距离无线通讯终端，其特征在于，所述近距离无线通讯终端为手机。 The short-range wireless communication terminal with security mechanism according to claim 5, wherein the short-range wireless communication terminal is a mobile phone.
  9. 根据权利要求8所述的具有安全机制的近距离无线通讯终端，其特征在于，所述智能卡为智能SD卡或者智能SIM卡。 The short-range wireless communication terminal with security mechanism according to claim 8, wherein the smart card is a smart SD card or a smart SIM card.
  10. 根据权利要求8所述的具有安全机制的近距离无线通讯终端，其特征在于，所述按键位于手机的侧面上。The short-range wireless communication terminal with security mechanism according to claim 8, wherein the button is located on a side of the mobile phone.
  11. 一种具有安全机制的近距离无线通讯终端，包括：A short-range wireless communication terminal with security mechanism, comprising:
    用于支付的智能卡，所述智能卡内设置有用于进行安全认证的安全控制单元；a smart card for payment, wherein the smart card is provided with a security control unit for performing security authentication;
    用于接收数据信息的NFC天线；An NFC antenna for receiving data information;
    与NFC天线连接的，用于进行数据处理和变换的NFC控制器；An NFC controller connected to the NFC antenna for data processing and transformation;
    其特征在于，还包括：It is characterized by:
    用于控制所述安全控制单元的启闭的控制开关；a control switch for controlling opening and closing of the safety control unit;
    用于接收NFC控制器发出的中断信号，并根据该中断信号执行相应操作的基带处理器；a baseband processor for receiving an interrupt signal from an NFC controller and performing a corresponding operation according to the interrupt signal;
    所述基带处理器具有用于检测所述控制开关的通断状态的ADC单元；The baseband processor has an ADC unit for detecting an on/off state of the control switch;
    所述NFC控制器与基带处理器连接，该NFC控制器还通过所述控制开关分别与所述智能卡和ADC单元连接。The NFC controller is coupled to a baseband processor, and the NFC controller is further coupled to the smart card and the ADC unit by the control switch.
  12. 根据权利要求11所述的具有安全机制的近距离无线通讯终端，其特征在于，还包括与基带处理器连接的语音提示模块，用于在近距离无线通讯终端与NFC读卡器靠近时，提示控制开关的通断状态。The short-range wireless communication terminal with security mechanism according to claim 11, further comprising a voice prompting module connected to the baseband processor, configured to prompt when the short-range wireless communication terminal is close to the NFC card reader Controls the on and off state of the switch.
  13. 根据权利要求11所述的具有安全机制的近距离无线通讯终端，其特征在于，还包括与基带处理器连接的显示模块，用于在近距离无线通讯终端与NFC读卡器靠近时，显示控制开关的通断状态。 The short-range wireless communication terminal with security mechanism according to claim 11, further comprising a display module connected to the baseband processor for displaying control when the short-range wireless communication terminal is close to the NFC card reader The on and off state of the switch.
  14. 根据权利要求11所述的具有安全机制的近距离无线通讯终端，其特征在于，在所述近距离无线通讯终端上设置有用于控制所述控制开关的通断的按键。 A short-range wireless communication terminal having a security mechanism according to claim 11, wherein a button for controlling on/off of said control switch is provided on said short-range wireless communication terminal.
  15. 根据权利要求11所述的具有安全机制的近距离无线通讯终端，其特征在于，所述控制开关的阻抗为：The short-range wireless communication terminal with security mechanism according to claim 11, wherein the impedance of the control switch is:
    R＝（V R=(V min Min –VSE –VSE min Min ）/I )/I
    其中，Vmin为NFC控制器的最小输出电压，VSEmin为安全控制单元的最小接收电压，I为最大工作电流。Where Vmin is the minimum output voltage of the NFC controller, VSEmin is the minimum receiving voltage of the safety control unit, and I is the maximum operating current.
  16. 根据权利要求11所述的具有安全机制的近距离无线通讯终端，其特征在于，所述近距离无线通讯终端为手机。 The short-range wireless communication terminal with security mechanism according to claim 11, wherein the short-range wireless communication terminal is a mobile phone.
  17. 根据权利要求16所述的具有安全机制的近距离无线通讯终端，其特征在于，所述智能卡为智能SD卡或者智能SIM卡。The short-range wireless communication terminal with security mechanism according to claim 16, wherein the smart card is a smart SD card or a smart SIM card.
  18. 根据权利要求16所述的具有安全机制的近距离无线通讯终端，其特征在于，所述按键位于手机的侧面上。 The short-range wireless communication terminal with security mechanism according to claim 16, wherein the button is located on a side of the mobile phone.
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