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Fundamental Limits of Covert Bit Insertion in Packets
Ramin Soltani, Dennis Goeckel, Don Towsley +1
Covert communication is necessary when revealing the mere existence of a message leaks sensitive information to an attacker. Consider a network link where an authorized transmitter…
Fundamental Limits of Invisible Flow Fingerprinting
Ramin Soltani, Dennis Goeckel, Don Towsley +1
Network flow fingerprinting can be used to de-anonymize communications on anonymity systems such as Tor by linking the ingress and egress segments of anonymized connections. Assume…
Towards Provably Invisible Network Flow Fingerprints
Ramin Soltani, Dennis Goeckel, Don Towsley +1
Network traffic analysis reveals important information even when messages are encrypted. We consider active traffic analysis via flow fingerprinting by invisibly embedding informat…