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Paper Abstract and Keywords
Presentation 2015-05-15 14:35
Path analysis method of anonymous communication system Tor
Yukihiro Shibahara, Naoshi Sato (IISEC)
Abstract (in Japanese) (See Japanese page) 
(in English) Anonymous communication system looks effective for the privacy protection because it could assure anonymity of path from source to destination. Tor (The Onion Router) is a representative anonymous communication system. Cyber-attack cases have been reported where the attackers spoof innocent organizations/persons by using the path anonymity of Tor. Therefore, in order to solve the cyber-attack cases, it is required to establish some analysis methods and clarify the route/path of Tor communication urgently. Therefore, attack methods for Tor, have been also performed studies using the attack methods. So, this study constructed a verification environment that exposes Tor relay node on the Internet. And we propose a method to statistically identify the path of Tor, by analyzing the packets sent and received by Tor. Further we evaluate the proposed method and consider its effectiveness. The evaluation results demonstrate that the method can identify the path of Tor with a relatively good accuracy.
Keyword (in Japanese) (See Japanese page) 
(in English) anonymous communication / path analysis / Onion Routing / Tor / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 28, ISEC2015-3, pp. 15-22, May 2015.
Paper # ISEC2015-3 
Date of Issue 2015-05-08 (ISEC) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee ISEC  
Conference Date 2015-05-15 - 2015-05-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ISEC 
Conference Code 2015-05-ISEC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Path analysis method of anonymous communication system Tor 
Sub Title (in English)  
Keyword(1) anonymous communication  
Keyword(2) path analysis  
Keyword(3) Onion Routing  
Keyword(4) Tor  
1st Author's Name Yukihiro Shibahara  
1st Author's Affiliation Institute of Information Security (IISEC)
2nd Author's Name Naoshi Sato  
2nd Author's Affiliation Institute of Information Security (IISEC)
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Date Time 2015-05-15 14:35:00 
Presentation Time 25 
Registration for ISEC 
Paper # IEICE-ISEC2015-3 
Volume (vol) IEICE-115 
Number (no) no.28 
Page pp.15-22 
#Pages IEICE-8 
Date of Issue IEICE-ISEC-2015-05-08 

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