Phonotactic Reconstruction of Encrypted VoIP Conversations: Hookt on Fon-iks
S&P 2011
Pages: 3 - 18
Published: May 22, 2011
Abstract
In this work, we unveil new privacy threats against Voice-over-IP (VoIP) communications. Although prior work has shown that the interaction of variable bit-rate codecs and length-preserving stream ciphers leaks information, we show that the threat is more serious than previously thought. In particular, we derive approximate transcripts of encrypted VoIP conversations by segmenting an observed packet stream into subsequences representing...
Paper Details
Title
Phonotactic Reconstruction of Encrypted VoIP Conversations: Hookt on Fon-iks
Published Date
May 22, 2011
Pages
3 - 18
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