WO2014079321A1 - 特殊硬件的访问设备 - Google Patents

特殊硬件的访问设备 Download PDF

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Publication number
WO2014079321A1
WO2014079321A1 PCT/CN2013/086596 CN2013086596W WO2014079321A1 WO 2014079321 A1 WO2014079321 A1 WO 2014079321A1 CN 2013086596 W CN2013086596 W CN 2013086596W WO 2014079321 A1 WO2014079321 A1 WO 2014079321A1
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special hardware
hardware
special
coupled
general
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French (fr)
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严翔翔
周钰
郑建宾
彭敏
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China Unionpay Co Ltd
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China Unionpay Co Ltd
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/82Protecting input, output or interconnection devices
    • G06F21/83Protecting input, output or interconnection devices input devices, e.g. keyboards, mice or controllers thereof

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  • the present invention relates generally to computer technology, and more particularly to a system for securely accessing a keyboard and a card reader for a smart POS terminal. Background technique
  • the present invention provides a special hardware access device, including a general application running device and a special hardware management device, wherein the universal application running device is coupled with a general purpose hardware driver, A special hardware management device is coupled to the special hardware driver, the universal hardware driver being coupled to a general purpose hardware, the special hardware driver being coupled to the special hardware, the universal application operating device being coupled to the special hardware management device.
  • the special hardware access device wherein the general purpose hardware includes a display screen and a printer.
  • the access device of the special hardware wherein the special hardware comprises a card reader.
  • the special hardware access device wherein the special hardware comprises a PIN pad.
  • the special hardware access device wherein the special hardware management device includes a status register that displays its idle or running.
  • the special hardware access device wherein the universal application running device is in the When the status register of the special hardware management device indicates that its state is idle, the special hardware is accessed by the special hardware management device.
  • the present invention proposes a POS terminal, including a special hardware access device, a general hardware driver, a special hardware driver, general hardware, and special hardware, wherein the special hardware access device includes a general application running device and special hardware.
  • the universal application running device is coupled to the universal hardware driver
  • the special hardware management device is coupled to the special hardware driver
  • the universal hardware driver is coupled to the universal hardware
  • the special hardware driver and device The special hardware coupling device is coupled to the special hardware management device.
  • the POS terminal wherein the general hardware includes a display screen and a printer.
  • the POS terminal wherein the special hardware comprises a card reader and a PIN pad.
  • FIG. 1 shows a system for securely accessing a keyboard and a card reader in accordance with one embodiment of the present invention
  • FIG. 2 illustrates a special hardware access device in accordance with one embodiment of the present invention.
  • the middle layer of the POS terminal system can be divided into two independent environments: a general application environment and a special hardware management environment.
  • the general-purpose application environment is similar to the usual operating system environment, enabling complex computing, application presentation, remote communication, etc., as well as access to hardware such as display screens and print ports, but cannot access card readers, PIN pads, etc.
  • Special hardware A common application environment supports multiple processes sharing environment resources.
  • the special hardware management environment only provides limited communication functions, encryption and decryption functions and functions of controlling the card reader and password keyboard.
  • Applications in a special hardware management environment do not support resource sharing, which means that only a single application runs at a time, and all resources are cleared after the application exits.
  • the application provider of the terminal system must be divided into two parts: a general operation module and a special operation module.
  • the Universal Runtime Module is installed into the Universal Application Runtime Environment and the Special Runtime Module is installed into the Special Hardware Management Environment.
  • the universal running module of the application is first run, and when the new application uses the card reader or the PIN pad, the request and the special operation of the application in the special hardware control environment are issued.
  • the module establishes a secure channel. If the dedicated hardware environment is idle, the special running module corresponding to the application is started, and the special operation module can adopt the symmetric or asymmetric verification mode to verify the requesting party and establish a communication security channel. If the special hardware management environment finds that other applications are already running, it enters the queue waiting state or rejects the connection request.
  • the special running module accesses the password keyboard and the card reader, and returns the read information to the universal running module through the secure channel to complete the password keyboard of the entire application. Input and reader usage flow.
  • the present invention can also be used for the protection of cryptographic operations in terminal applications due to the nature of the particular hardware management environment.
  • the encryption and decryption logic is implemented in the special operation module.
  • the encryption and decryption logic is used in the application, a secure channel is established with the special hardware management environment, and the encryption and decryption data is sent to the special operation module for processing, and direct feedback is provided. Get the result after encryption and decryption. In this way, other applications will not be able to obtain cached fragments during the encryption and decryption process, which makes it more difficult to apply the crack.
  • FIG. 2 shows another embodiment of the present invention.
  • a special hardware access device 200 includes a general purpose application running device 210 and a special hardware management device 211.
  • the universal application running device 210 is similar to a general application running device, and can run various applications thereon to implement functions such as complex computing, application presentation, and remote communication.
  • the universal application running device 210 can access some common hardware, such as a display screen and a print port, through a general-purpose hardware driver, but cannot access some special hardware, such as a card reader and a PIN pad that the user does not want any application to access for security reasons. .
  • the universal application running device 210 supports multiple processes to share environmental resources.
  • the special hardware management device 211 has only limited communication functions, encryption and decryption functions, and functions of controlling special hardware such as a card reader or a PIN pad through a special hardware driver.
  • the application in the special hardware management device 211 does not support resource sharing, that is, only supports a single application operation at each moment, and clears all resources after the application exits.
  • an application provider of the terminal system develops an application for accessing the device 200, it must be developed in two parts: a general operation module and a special operation module.
  • the general operation module is installed to the general application execution device 210
  • the special operation module is installed to the special hardware management device 211.
  • the universal running module of the application is first run, and when the new application uses the card reader or the PIN pad, the request and the application in the special hardware management device 211 are issued.
  • the special running module establishes a secure channel. If the dedicated hardware environment is idle, the special operation module corresponding to the application is started, and the special operation module can adopt the symmetric or asymmetric verification mode to verify the requester and establish a communication security channel. If the special hardware management device 211 finds that other applications are already running, it enters a queuing wait state or rejects the connection request.
  • the special hardware management device 21 1 may include a status register that displays its idle or running.
  • the special hardware can be accessed by the special hardware management 211 device.
  • the general application running device 210 finds that the status register of the special hardware management device 211 shows that its status is running, it enters a waiting queue for accessing special hardware through the special hardware management device 211.
  • the special running module accesses the password keyboard and the card reader, and returns the read information to the universal running module through the secure channel, completing the password keyboard input and the card reader of the entire application. manual.
  • a POS terminal includes an access device 200 including special hardware of the general application running device 210 and the special hardware management device 21 1 as described above, and a universal device coupled with the universal application operating device 210.
  • Special hardware can include a card reader or a PIN pad.

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Cash Registers Or Receiving Machines (AREA)

Abstract

本发明提出了一种特殊硬件的访问设备,包括通用应用运行装置和特殊硬件管理装置,其中所述通用应用运行装置与通用硬件驱动器耦合,所述特殊硬件管理装置与所述特殊硬件驱动器耦合,所述通用硬件驱动器与通用硬件耦合,所述特殊硬件驱动器与所述特殊硬件耦合,所述通用应用运行装置耦合于所述特殊硬件管理装置。通过使用本发明,可以在终端多应用环境中防止密码键盘、读卡器等硬件被恶意监听,并且实现应用不适用硬件接口的屏蔽。

Description

特殊硬件的访问设备
技术领域
[0001] 本发明总体上涉及计算机技术, 尤其涉及用于智能 POS 终端 的安全访问键盘与读卡器的系统。 背景技术
[0002] 现有的智能 POS终端实际上是 ^!巴原有多种行业中的专用 POS 终端融合起来, 通过共用同一个操作系统, 多行业应用可以同时服务 于顾客。但在多应用环境下, 大多数 POS终端制造商没有深入考虑应 用间数据保护问题。由于某些行业的 POS机并不需要访问密码键盘或 者读卡器, 在融合金融 POS和这些行业 POS的时候, 直接对这些行 业应用开放密码键盘或者读卡器的接口会有很大的风险隐患。 发明内容
[0003] 为了至少解决上述问题的一个方面, 本发明提出了一种特殊硬 件的访问设备, 包括通用应用运行装置和特殊硬件管理装置, 其中所 述通用应用运行装置与通用硬件驱动器耦合, 所述特殊硬件管理装置 与所述特殊硬件驱动器耦合 , 所述通用硬件驱动器与通用硬件耦合, 所述特殊硬件驱动器与所述特殊硬件耦合, 所述通用应用运行装置耦 合于所述特殊硬件管理装置。
[0004] 所述的特殊硬件的访问设备,其中所述通用硬件包括显示屏和 打印机。
[0005] 所述的特殊硬件的访问设备, 其中所述特殊硬件包括读卡器。
[0006] 所述的特殊硬件的访问设备, 其中所述特殊硬件包括密码键 盘。
[0007] 所述的特殊硬件的访问设备,其中所述特殊硬件管理装置包括 显示其空闲或者运行的状态寄存器。
[0008] 所述的特殊硬件的访问设备,其中所述通用应用运行装置在所 述特殊硬件管理装置的状态寄存器显示其状态为空闲时, 通过所述特 殊硬件管理装置访问所述特殊硬件。
[0009] 所述的特歹 更件的访问设备,其中所述通用应用运行装置在所 述特殊硬件管理装置的状态寄存器显示其状态为运行时, 进入通过所 述特殊硬件管理装置访问所述特殊硬件的等待队列。
[0010] 本发明提出了一种 POS 终端, 包括特殊硬件的访问设备、 通 用硬件驱动器、 特殊硬件驱动器、 通用硬件以及特殊硬件, 其中, 所 述特殊硬件的访问设备包括通用应用运行装置和特殊硬件管理装置, 所述通用应用运行装置与所述通用硬件驱动器耦合, 所述特殊硬件管 理装置与所述特殊硬件驱动器耦合, 所述通用硬件驱动器与所述通用 硬件耦合, 所述特殊硬件驱动器与所述特殊硬件耦合, 所述通用应用 运行装置耦合于所述特殊硬件管理装置。
[0011] 所述的 POS终端, 其中所述通用硬件包括显示屏和打印机。
[0012] 所述的 POS终端, 其中所述特殊硬件包括读卡器和密码键盘。
[0013] 通过使用本发明, 可以在终端多应用环境中防止密码键盘、 读 卡器等硬件被恶意监听, 并且实现应用不适用硬件接口的屏蔽。 附图说明
[0014] 为便于理解, 下面参照附图通过非限定性例子来描述本发明的 实施例。 图中:
图 1示出了根据本发明一个实施例的安全访问键盘与读卡器的系统; 图 2示出了根据本发明一个实施例的特殊硬件的访问设备。 具体实施方式
[0015] 如图 1所示, POS终端系统中间层可以被分成两个独立环境: 通用应用环境与特殊硬件管理环境。 通用应用环境和通常操作系统环 境相似, 能够实现复杂计算、 应用展现、 远程通讯等功能, 也能够访 问一些硬件, 例如显示屏和打印口, 但无法访问读卡器、 密码键盘等 特殊硬件。 通用应用环境支持多个进程共享环境资源。 特殊硬件管理 环境仅提供有限的通讯功能, 加解密功能与控制读卡器、 密码键盘的 功能。 特殊硬件管理环境中的应用不支持资源共享, 即每个时刻仅支 持单个应用运行, 并在应用退出后清除所有资源。
[0016] 终端系统的应用提供商在开发 POS 终端应用的时候, 须分成 两个部分开发: 通用运行模块与特别运行模块。应用被安装到 POS终 端上的时候, 通用运行模块被安装到通用应用运行环境, 特别运行模 块被安装到特殊硬件管理环境。
[0017] 在 POS 终端中启动应用时, 首先运行应用的通用运行模块, 当新应用使用过程中需要访问读卡器或者密码键盘的时候, 发出请求 与特殊硬件控制环境中的该应用的特别运行模块建立安全通道。 若专 用硬件环境空闲, 则启动应用对应的特别运行模块, 特别运新模块可 以采用对称或者非对称验证方式, 验证请求方并建立通讯安全通道。 若特殊硬件管理环境发现其他应用已经在运行, 则进入排队等待状态 或者拒绝连接请求。
[0018] 在通用运行模块与特殊运行模块的安全通道建立后, 特别运行 模块访问密码键盘和读卡器, 并把读取到的信息通过安全通道返回给 通用运行模块, 完成整个应用的密码键盘输入和读卡器使用流程。
[0019] 由于这里的 POS 终端的操作系统的特殊硬件管理环境部分在 任意时刻仅支持单个应用运行, 并在应用退出后会清除所有资源, 所 以从根本上解决了恶意应用监听硬件的可能性, 降低了数据被偷窃风 险, 提高了 POS机安全性。
[0020] 由于特殊硬件管理环境的特性,本发明也可以用于终端应用中 的加密运算过程的保护。 在开发应用的时候, 把加解密逻辑实现在特 别运行模块中, 在应用中使用到加解密逻辑时, 与特殊硬件管理环境 建立安全通道, 把加解密数据发给特别运行模块来处理, 直接反馈得 到加解密后的结果。 这样其他应用将无法得到加解密过程中的緩存片 断, 提高应用破解难度。 [0021] 图 2示出了本发明的另一个实施例。一种特殊硬件的访问设备 200包括通用应用运行装置 210和特殊硬件管理装置 211。 通用应用 运行装置 210和通常的应用运行装置相似,在其上可以运行各种应用, 实现复杂计算、 应用展现、 远程通讯等功能。 通用应用运行装置 210 可以通过通用硬件驱动器访问一些通用硬件, 例如显示屏和打印口 , 但无法访问一些特殊硬件, 例如用户出于安全考虑不希望任何应用都 能够访问到的读卡器和密码键盘。 通用应用运行装置 210支持多个进 程共享环境资源。
[0022] 特殊硬件管理装置 211只具有有限的通讯功能, 加解密功能, 以及通过特殊硬件驱动器控制特殊硬件, 例如读卡器或者密码键盘的 功能。 特殊硬件管理装置 211中的应用不支持资源共享, 即每个时刻 仅支持单个应用运行, 并在应用退出后清除所有资源。
[0023] 终端系统的应用提供商在开发访问设备 200的应用的时候, 须 分成两个部分开发: 通用运行模块与特别运行模块。 应用被安装到访 问设备 200上的时候,通用运行模块被安装到通用应用运行装置 210, 特别运行模块被安装到特殊硬件管理装置 211。
[0024] 在访问设备 200中,启动应用时首先运行应用的通用运行模块, 当新应用使用过程中需要访问读卡器或者密码键盘的时候, 发出请求 与特殊硬件管理装置 211中的该应用的特别运行模块建立安全通道。 若专用硬件环境空闲, 则启动应用对应的特别运行模块, 特别运新模 块可以采用对称或者非对称方式验证方式, 验证请求方并建立通讯安 全通道。 若特殊硬件管理装置 211发现其他应用已经在运行, 则进入 排队等待状态或者拒绝连接请求。 特殊硬件管理装置 21 1可以包括显 示其空闲或者运行的状态寄存器。 这样, 当通用应用运行装置 210发 现所述特殊硬件管理装置 211的状态寄存器显示其状态为空闲时, 可 以通过特殊硬件管理 211装置访问特殊硬件。 而当通用应用运行装置 210发现特殊硬件管理装置 211的状态寄存器显示其状态为运行时, 进入通过特殊硬件管理装置 211访问特殊硬件的等待队列。 在通用运 行模块与特殊运行模块的安全通道建立后, 特别运行模块访问密码键 盘和读卡器, 并把读取到的信息通过安全通道返回给通用运行模块, 完成整个应用的密码键盘输入和读卡器使用流程。
[0025] 居本发明的另一个实施例的 POS 终端包括如上文所述的包 括通用应用运行装置 210和特殊硬件管理装置 21 1的特殊硬件的访问 设备 200、 与通用应用运行装置 210耦合的通用硬件驱动器、 与特殊 硬件管理装置 211耦合的特殊硬件驱动器, 与通用硬件驱动器耦合的 通用硬件、 以及与特殊硬件驱动器耦合的特殊硬件耦合。 特殊硬件可 以包括读卡器或者密码键盘。
[0026] 虽然上文已经示出了当前被认为是示例特征的内容,但是本领 域的技术人员将会理解, 在不背离要求保护的主题的情况下, 可以对 本发明中所描述的具体实施例进行各种修改。 因此, 要求保护的主题 并不局限于所公开的特定示例, 相反, 其包括了落入所附权利要求的 范围之内的所有内容。

Claims

权利 要求
1. 一种特殊硬件的访问设备, 包括通用应用运行装置和特殊硬件 管理装置, 其中所述通用应用运行装置与通用硬件驱动器耦合, 所述 特殊硬件管理装置与所述特殊硬件驱动器耦合, 所述通用硬件驱动器 与通用硬件耦合, 所述特殊硬件驱动器与所述特殊硬件耦合, 所述通 用应用运行装置耦合于所述特殊硬件管理装置。
2. 如权利要求 1所述的特殊硬件的访问设备,其中所述通用硬件 包括显示屏和打印机。
3. 如权利要求 1或 2所述的特殊硬件的访问设备,其中所述特殊 硬件包括读卡器。
4. 如权利要求 1或 2所述的特殊硬件的访问设备,其中所述特殊 硬件包括密码键盘。
5. 如权利要求 1或 2所述的特殊硬件的访问设备,其中所述特殊 硬件管理装置包括显示其空闲或者运行的状态寄存器。
6. 如权利要求 5所述的特¾^更件的访问设备,其中所述通用应用 运行装置在所述特殊硬件管理装置的状态寄存器显示其状态为空闲 时, 通过所述特殊硬件管理装置访问所述特殊硬件。
7. 如权利要求 5所述的特殊硬件的访问设备,其中所述通用应用 运行装置在所述特殊硬件管理装置的状态寄存器显示其状态为运行 时, 进入通过所述特殊硬件管理装置访问所述特殊硬件的等待队列。
8. 一种 POS终端, 包括特殊硬件的访问设备、 通用硬件驱动器、 特殊硬件驱动器、 通用硬件以及特殊硬件, 其中, 所述特殊硬件的访问设备包括通用应用运行装置和特殊硬件管 理装置, 所述通用应用运行装置与所述通用硬件驱动器耦合, 所述特 殊硬件管理装置与所述特殊硬件驱动器耦合, 所述通用硬件驱动器与 所述通用硬件耦合, 所述特殊硬件驱动器与所述特殊硬件耦合, 所述 通用应用运行装置耦合于所述特殊硬件管理装置。
9. 如权利要求 8所述的 POS终端, 其中所述通用硬件包括显示 屏和打印机。
10. 如权利要求 8或 9所述的 POS终端, 其中所述特殊硬件包括 读卡器和密码键盘。
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CN202995911U (zh) * 2012-11-23 2013-06-12 中国银联股份有限公司 特殊硬件的访问设备
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