匿名网络Tor与I2P关键技术研究
Research on Key Technologies of Anonymous Network Tor and I2P

DOI: 10.12677/CSA.2019.97146, PP. 1296-1308

Keywords: 匿名网络，Tor，I2P，洋葱路由，大蒜路由
Anonymous Network, Tor, I2P, Onion Routing, Garlic Routing

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Abstract:

多层加密匿名网络旨在通过将用户与其最终目的地分离来为用户提供匿名和隐藏服务，Tor (The Onion Router)和I2P (Invisible Internet project)都是多层加密匿名网络，目前已受到学术界、工业界的高度重视，也受到用户的欢迎。但Tor和I2P之间由于其设计理念上存在差别，因此其网络关键技术存在明显差异，这些差异主要体现在网络体系结构、网络管理、接口技术、交换技术、路由技术、密码规格、节点选择与发现等方面。通过对匿名网络Tor、I2P的关键技术进行比较分析和研究，可以全面理解Tor和I2P网络的工作原理，了解两种网络各自的技术特点和匿名性与安全性上存在的问题，为Tor和I2P的去匿名化和网络测量等研究奠定基础。
Multi-layered encrypted anonymous networks are designed to provide anonymous and hidden services to users by separating users from their final destination. Tor (The Onion Router) and I2P (Invisible Internet Project) are multi-layer encrypted anonymous networks, which have been highly valued by academics and industry, and are also welcomed by users. However, due to the distinction in design concept between Tor and I2P, there are obvious differences in the key technologies of the network. These differences are mainly reflected in the network architecture, network management, interface technology, switching technology, routing technology, password specification, node selection and discovery. Through the comparative analysis and research on the key technologies of Tor and I2P, the working principle of Tor and I2P networks can be comprehensively understood, and the technical characteristics, anonymity and security problems of the two kinds of networks can be understood as well, so as to lay a foundation for the research on Tor and I2P’s de-anonymity and network measurement.

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