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Smart-blacklisting:P2P文件共享系统假块污染攻击对抗方法

姚汝颢 刘丙双 曲德帅 周渊 韩心慧

通信学报Issue(8):88-94,7.
通信学报Issue(8):88-94,7.DOI:10.3969/j.issn.1000-436x.2013.08.012

Smart-blacklisting:P2P文件共享系统假块污染攻击对抗方法

Smart-blacklisting:an efficient methodology for mitigating fake block attack in P2P file-sharing systems

姚汝颢 1刘丙双 1曲德帅 2周渊 2韩心慧1

作者信息

  • 1. 北京大学 计算机科学技术研究所 互联网安全技术北京市重点实验室,北京100080
  • 2. 国家计算机网络应急技术处理协调中心,北京100029
  • 折叠

摘要

Abstract

Fake block attack intends to prolong the downloading time by providing fake data to make the file block fail in the hash check. P2P file-sharing systems are susceptible to fake block attacks, whereby malicious clients are able to make a big impact on users’ downloading experience. An efficient methodology named Smart-blacklisting, which aims to les-sen the downloading time and bandwidth wastes interfered by the attack was proposed through using a mathematic model, and the efficiency of this method was analyzed during a simulation experiment. The ovel approach presents 87%down-loading time and 50%bandwidth wastes compare less than those of eMule blacklisting method.

关键词

P2P文件共享系统/eMule/BitTorrent/假块污染攻击

Key words

P2P file-sharing system/eMule/BitTorrent/fake block attack

分类

信息技术与安全科学

引用本文复制引用

姚汝颢,刘丙双,曲德帅,周渊,韩心慧..Smart-blacklisting:P2P文件共享系统假块污染攻击对抗方法[J].通信学报,2013,(8):88-94,7.

基金项目

国家自然科学基金资助项目(61272536) Foundation Item:The National Natural Science Foundation of China (61272536) (61272536)

通信学报

OA北大核心CSCDCSTPCD

1000-436X

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