计算机应用 ›› 2011, Vol. 31 ›› Issue (07): 2008-2010.DOI: 10.3724/SP.J.1087.2011.02008

• 典型应用 • 上一篇    下一篇

高速U盘病毒隔离器的设计与实现

张毅1,杨校权2   

  1. 1. 重庆邮电大学 通信与信息工程学院，重庆 400065
    2. 重庆邮电大学 计算机科学与技术学院，重庆 400065
  • 收稿日期:2010-12-21 修回日期:2011-01-24 发布日期:2011-07-01 出版日期:2011-07-01
  • 通讯作者: 杨校权
  • 作者简介:张毅(1970-),男,重庆人,教授,主要研究方向：物联网;杨校权(1984-),男,四川成都人,硕士研究生,主要研究方向：嵌入式系统、物联网。

Design and implementation of U disk virus isolator with hi-speed

Yi ZHANG1,Xiao-quan YANG2   

  1. 1. College of Communication and Information Engineering,Chongqing University of Posts and Telecommunications,Chongqing 400065,China
    2. College of Computer Science and Technology,Chongqing University of Posts and Telecommunications,Chongqing 400065,China
  • Received:2010-12-21 Revised:2011-01-24 Online:2011-07-01 Published:2011-07-01
  • Contact: Xiao-quan YANG

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摘要： U盘的普及使U盘病毒繁衍迅速，针对信息系统安全保护的需要，设计出一种U盘病毒隔离器。该隔离器具有隔离Autorun病毒、防止PC的数据通过U盘泄密、防止PC中的病毒感染U盘的功能。隔离器能够快速捕获到U盘与主机之间所有底层数据，在此基础上，隔离器中的微控制器(MCU)通过分析、审计和过滤流过隔离器中的底层数据来实现上述功能。经实际检测，该设计能够实现上述功能。

关键词: U盘病毒隔离器, Autorun病毒隔离, 海量存储类单批量传输

Abstract: The popularization of U disk makes virus from U disk spread fast. In order to protect the safety of information system, the authors designed a U disk virus isolator with three functions, firstly isolating Autorun virus from U disk, secondly preventing the PCs data from stealing by U disk, and thirdly preventing the PCs virus from spreading to U disk. The isolator can quickly capture all the data between the U disk and the PC, then the Micro Controller Unit (MCU) of the isolator analyzed, filtered and audited the data transport between U disk and computer to implement those three functions described above. Through actual measuring, it is found that this design can implement those three functions successfully.

Key words: U disk virus isolator, Autorun virus isolate, mass storage class bulk-only transport

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