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Analysis and Improvement of an Anonymity Scheme for P2P Reputation Systems
Li-ming HAO Song-nian LU Shu-tang YANG Ning LIU Qi-shan HUANG
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/10/01
Online ISSN: 1745-1337
Print ISSN: 0916-8508
Type of Manuscript: Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Cryptography and Information Security
anonymity, blind signature, unlinkability, Peer-to-Peer (P2P) reputation system,
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In 2006, Miranda et al. proposed an anonymity scheme to achieve peers' anonymity in Peer-to-Peer (P2P) reputation systems. In this paper, we show that this scheme can not achieve peers' anonymity in two cases. We also propose an improvement which solves the problem and improves the degree of anonymity.