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Publication Detail
Drac: An architecture for anonymous low-volume communications
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Conference Proceeding
  • Authors:
    Danezis G, Diaz C, Troncoso C, Laurie B
  • Publication date:
  • Pagination:
    202, 219
  • Journal:
    Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
  • Volume:
    6205 LNCS
  • Status:
  • Print ISSN:
We present , a system designed to provide anonymity and unobservability for real-time instant messaging and voice-over-IP communications against a global passive adversary. The system uses a relay based anonymization mechanism where circuits are routed over a social network in a peer-to-peer fashion, using full padding strategies and separate epochs to hide connection and disconnection events. Unlike established systems, gives away the identity of a user's friends to guarantee the unobservability of actual calls, while still providing anonymity when talking to untrusted third parties. We present the core design and components of , we discuss the key ways in which it challenges our current concepts of anonymity and provide an initial simulation-based security analysis. © 2010 Springer-Verlag Berlin Heidelberg.
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