A reputation system preserving the privacy of feedback providers and resisting sybil attacks

被引：0

作者：

Zhang, Keli ^{[1
]}

Li, Zhongxian ^{[1
,2
]}

Yang, Yixian ^{[1
]}

机构：

[1] Information Security Center, Beijing University of Posts and Telecommunications, 100876, Beijing

[2] Nation Cybernet Security Limited, 100080, Beijing

来源：

International Journal of Multimedia and Ubiquitous Engineering | 2014年 / 9卷 / 02期

关键词：

Anonymity; Privacy; Pseudonym; Reputation; Sybil attack;

D O I：

10.14257/ijmue.2014.9.2.14

中图分类号：

学科分类号：

摘要：

Users hesitate to submit negative feedback in reputation systems due to the fear of retaliation from the recipient user. A Preserving reputation system which does not require continuous online communication with a trusted third party is proposed, Peers in this trust model use a verifiable random function, non-interactive zero-knowledge and ratee's transaction identities, to generate evaluation tags, so as to anonymously evaluate the transaction objects and hide the identity of the transaction process. Analysis shows the scheme guarantees the privacy of feedback providers resists the inherent Sybil attacks in preserving reputation system and evidently improves the accuracy of trust accumulated value compared with existing trust models. © 2014 SERSC.

引用

页码：141 / 152

页数：11

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