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Tor is a real-world, circuit-based low-latency anonymous communication network, supporting TCP applications over the Internet. In this paper, we present an extensive study of protocol-level attacks against Tor. Different from existing attacks, the attacks investigated in this paper can confirm anonymous communication relationships quickly and accurately by manipulating one single cell and pose a serious...
The use of trust for onion routing has been proved effective in thwarting malicious onion routers. However, even state-of-the-art trust-based onion routing protocols still suffer from two key limitations in protecting anonymity. First, these protocols have no means to verify the correctness of the trust they rely on. Second, they run a high risk of being deanonymized by an inference attack due to...
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