The existing analysis of the Crowds anonymity protocol assumes that a participating member is either 'honest' or 'corrupted.' This paper generalises this analysis so that each member is assumed to maliciously disclose the identity of other nodes with a probability determined by her vulnerability to corruption. Within this model, the trust in a principal is defined to be the probability that she behaves honestly. We investigate the effect of such a probabilistic behaviour on the anonymity of the principals participating in the protocol, and formulate the necessary conditions to achieve 'probable innocence.' Using these conditions, we propose a generalised Crowds-Trust protocol which uses trust information to achieves 'probable innocence' for principals exhibiting probabilistic behaviour. © 2010 Springer-Verlag Berlin Heidelberg.
CITATION STYLE
Sassone, V., Elsalamouny, E., & Hamadou, S. (2010). Trust in crowds: Probabilistic behaviour in anonymity protocols. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 6084 LNCS, pp. 88–102). https://doi.org/10.1007/978-3-642-15640-3_7
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