WO2012163244A1 - 一种具有安全机制的近距离无线通讯终端 - Google Patents

一种具有安全机制的近距离无线通讯终端 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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Prior art keywords
communication terminal
short
wireless communication
range wireless
nfc
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English (en)
French (fr)
Inventor
王晓君
杨金华
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Huizhou TCL Mobile Communication Co Ltd
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Huizhou TCL Mobile Communication Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Telephone Function (AREA)

Abstract

本发明公开了一种具有安全机制的近距离无线通讯终端包括智能卡、安全控制单元、NFC天线、NFC控制器、用于控制所述安全控制单元的启闭的控制开关和基带处理器；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。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。

Description

一种具有安全机制的近距离无线通讯终端
技术领域
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。
背景技术
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。
因而现有技术还有待改进和提高。
发明内容
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。
为了达到上述目的，本发明采取了以下技术方案：
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。
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。
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。
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。
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：
R＝（V min –VSE min ）/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。
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。
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。
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。
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。
附图说明
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。
图2为本发明一较佳实施例的示意图。
具体实施方式
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。
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。
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。
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。
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。
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：
R＝（V min –VSE min ）/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。
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。
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。
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。
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。
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。

Claims (18)

  1. 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；
    其特征在于，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;
    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;
    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;
    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;
    所述控制开关的阻抗为：
    R＝（V min –VSE min ）/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。
  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。
  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。
  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。
  5. 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；
    其特征在于，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;
    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;
    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。
  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。
  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：
    R＝（V min –VSE min ）/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。
  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。
  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。
  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。
  11. 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；
    其特征在于，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。
  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。
  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。
  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。
  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：
    R＝（V min –VSE min ）/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。
  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。
  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。
  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。
PCT/CN2012/075971 2011-06-03 2012-05-23 一种具有安全机制的近距离无线通讯终端 Ceased WO2012163244A1 (zh)

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