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Drac: An architecture for anonymous low-volume communications

Danezis, G; Diaz, C; Troncoso, C; Laurie, B; (2010) Drac: An architecture for anonymous low-volume communications. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) , 6205 L pp. 202-219. 10.1007/978-3-642-14527-8_12.

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Abstract

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.

Type: Article
Title: Drac: An architecture for anonymous low-volume communications
DOI: 10.1007/978-3-642-14527-8_12
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science
URI: http://discovery.ucl.ac.uk/id/eprint/1409393
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