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Research on Anonymous Communication Technology Based on TOR

Author: WangFuGang
Tutor: WangYuYing
School: Harbin Institute of Technology
Course: Computer Science and Technology
Keywords: Anonymous communication Onion Routing Resource Publishing
CLC: TN918.4
Type: Master's thesis
Year: 2010
Downloads: 92
Quote: 2
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Abstract


With the rapid development and wide application of the Internet, the network of personal privacy and security issues are increasingly apparent. Against traffic analysis, network communications and applications anonymous anonymous communication technology, can hide communications identity and communication relations, has been widely used. For example, in the anonymous browsing, mobile agent technology, an anonymous electronic elections, anonymous messages, anonymous electronic payment control. The anonymous communication technologies has become a hot research field of network security. This paper describes the technology related to the concept of anonymous communication; describes the characteristics of various anonymous systems; description anonymous system Research and development trends; analysis of anonymous communication to achieve. Typical Tor anonymous communication system, establish a mechanism of its Communication Theory and anonymous communication link analysis focus. Anonymous communication systems is difficult to take into account the issue of anonymity and efficiency, system link mechanism established to make recommendations for improvement, and improve the communication efficiency without reducing the anonymity of the price. The strong anonymity Anonymous technology research goals, and the representation of anonymous performance has also been a problem of concern to the researchers, from the point of view of the composition of the anonymous communication resources to analyze the impact of communication anonymous. Analysis the Tor network topology of the system, anonymous communication resources management system and resource distribution strategy research and discussion, anonymous resource release mechanism for formal representation, and the establishment of the enumeration the iteration model assessment resources found consideration of analytical resources found that the strategy of the feasibility of the program. Anonymous resource release mechanism to the anonymity of the anonymous system impact analysis, and proposed anonymous communication resource enumeration discovery mechanism outreach program, to improve the ability to guard against hostile malicious node collection system resources, in order to protect not anonymous destruction. Grasp the the system anonymous distribution of resources and the survival of the state, we designed an anonymous communication resources active probing scheme to achieve the simulation detection system of anonymous resources, resource exploration and functional verification of routing nodes on the Tor network. According to the experimental data, the the Tor network resources distribution analysis, to assess the running performance and security aspects of the Tor network.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Confidentiality of communications and communications security > Password encryption and decryption
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