Research Article
Simple Peer-to-Peer SIP Privacy
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@INPROCEEDINGS{10.1007/978-3-642-04434-2_20, author={Joakim Koskela and Sasu Tarkoma}, title={Simple Peer-to-Peer SIP Privacy}, proceedings={Security and Privacy in Mobile Information and Communication Systems. First International ICST Conference, MobiSec 2009, Turin, Italy, June 3-5, 2009, Revised Selected Papers}, proceedings_a={MOBISEC}, year={2012}, month={5}, keywords={peer-to-peer privacy P2PSIP HIP}, doi={10.1007/978-3-642-04434-2_20} }- Joakim Koskela
Sasu Tarkoma
Year: 2012
Simple Peer-to-Peer SIP Privacy
MOBISEC
Springer
DOI: 10.1007/978-3-642-04434-2_20
Abstract
In this paper, we introduce a model for enhancing privacy in peer-to-peer communication systems. The model is based on data obfuscation, preventing intermediate nodes from tracking calls, while still utilizing the shared resources of the peer network. This increases security when moving between untrusted, limited and ad-hoc networks, when the user is forced to rely on peer-to-peer schemes. The model is evaluated using a Host Identity Protocol-based prototype on mobile devices, and is found to provide good privacy, especially when combined with a source address hiding scheme. The contribution of this paper is to present the model and results obtained from its use, including usability considerations.
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