ASIACRYPT '01 Proceedings of the 7th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
Low-Cost Traffic Analysis of Tor
SP '05 Proceedings of the 2005 IEEE Symposium on Security and Privacy
Tor: the second-generation onion router
SSYM'04 Proceedings of the 13th conference on USENIX Security Symposium - Volume 13
Dissent: accountable anonymous group messaging
Proceedings of the 17th ACM conference on Computer and communications security
Stealthy traffic analysis of low-latency anonymous communication using throughput fingerprinting
Proceedings of the 18th ACM conference on Computer and communications security
Statistical disclosure or intersection attacks on anonymity systems
IH'04 Proceedings of the 6th international conference on Information Hiding
Crypto-Book: an architecture for privacy preserving online identities
Proceedings of the Twelfth ACM Workshop on Hot Topics in Networks
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Social networks (SNs) enable physically distributed groups to communicate seamlessly. Unfortunately such communication can be easily mined by adversaries in attempts to breach users' privacy or suppress open discussion on sensitive topics. While anonymous posting can help protect users by hiding the link between individuals and the messages they post, existing anonymization schemes are centralized or vulnerable to well-known attacks. To offer stronger protection for free speech online, we propose a method for anonymous group communication using SNs called Faceless. Faceless leverages existing Internet-based SNs for convenience in managing groups and users' public identities, but augments these centralized services with a decentralized anonymous posting overlay offering provable anonymity guarantees, resisting even group infiltration and traffic analysis attacks.