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- Title
SybilBF: Defending against Sybil Attacks via Bloom Filters.
- Authors
Hengkui Wu; Dong Yang; Hongke Zhang
- Abstract
Distributed systems particularly suffer from Sybil attacks, where a malicious user creates numerous bogus nodes to influence the functions of the system. In this letter, we propose a Bloom filter-based scheme, SybilBF, to fight against Sybil attacks. A Bloom filter presents a set of Sybil nodes according to historical behavior, which can be disseminated to at least n·(e-1)/e honest nodes. Our evaluation shows that SybilBF outperforms state of the art mechanisms improving SybilLimit by a factor of (1/e)γ at least.
- Subjects
DISTRIBUTED computing; COMPUTER security; COMPUTER users; DIGITAL electric filters; SELECTIVE dissemination of information
- Publication
ETRI Journal, 2011, Vol 33, Issue 5, p826
- ISSN
1225-6463
- Publication type
Article
- DOI
10.4218/etrij.11.0210.0431