Tor匿名通信网络节点家族的测量与分析

doi:10.11959/j.issn.1000-436x.2015036

Abstract

Abstract:

Tor family was focused on design and given a family-level measurement of it.Based on Tor node families (over 3000) discovered from live Tor network data (from Jan.2011 to Dec.2012),a few characteristics of Tor node families were revealed,such as family size,bandwidth,geographical distribution as well as operators providing a few big families.The analysis validated the irreplaceable role played by family design in enhancing Tor’s anonymity.Based on the measurement,security analysis showed the serious availability threat a compromised node family can cause to the Tor network.Besides,It also discussed Tor hidden families and the potential anonymity risk caused by them.

Key words: Tor, anonymous communication, node family; harvesting attack, measurement, hidden family

Xiao WANG,Bin-xing FANG,Pei-peng LIU,Li2 GUO,Jin-qiao SHI. Measuring and analyzing node families in the Tor anonymous communication network[J]. Journal on Communications, 2015, 36(2): 80-87.

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References 18

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节点家族	家族数目	家族比例
跨/16子网家族	66	79%
跨自治域家族	56	67%
跨国家族	29	35%

家族	运营者	详细信息
PPrivCom	perfect-privacy.com	公司，致力于加密与网络匿名通信
torservers	torservers.net	组织，运行高带宽Tor节点的组织
DFRI	dfri.se	组织，致力于内容数字版权加密保护技术的组织
chaoscomputerclub	ccc.de	社团，欧洲最大的黑客社团
spfTOR	privacyfondation.de	基金，德国隐私保护基金
Torrorists	torrorists.de	社团，联合运行Tor节点的志愿者社团

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Measuring and analyzing node families in the Tor anonymous communication network

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