Security

Introducing SOR: SSH-Based Onion Routing

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Executive Summary

Traditional low-latency anonymization techniques apply non-standardized, complex, and often even proprietary protocols. Apart from poor performance, the high development effort leads to the existence of at most one single implementation. This in turn increases the risk of creating so-called software monocultures, where failures in the single implementation can compromise the overall security. In this paper, the authors introduce SOR - a novel approach for anonymization that is completely based on standardized, well tested, and performance-tuned protocols. It utilizes out-of-the box nested SSH connections to achieve an exhaustive stateof-the-art anonymization system based on onion routing.

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