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首页> 外文期刊>IEEE Transactions on Parallel and Distributed Systems >Enabling Trustworthy Service Evaluation in Service-Oriented Mobile Social Networks
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Enabling Trustworthy Service Evaluation in Service-Oriented Mobile Social Networks

机译：在面向服务的移动社交网络中启用可信赖的服务评估

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摘要

In this paper, we propose a Trustworthy Service Evaluation (TSE) system to enable users to share service reviews in service-oriented mobile social networks (S-MSNs). Each service provider independently maintains a TSE for itself, which collects and stores users' reviews about its services without requiring any third trusted authority. The service reviews can then be made available to interested users in making wise service selection decisions. We identify three unique service review attacks, i.e., linkability, rejection, and modification attacks, and develop sophisticated security mechanisms for the TSE to deal with these attacks. Specifically, the basic TSE (bTSE) enables users to distributedly and cooperatively submit their reviews in an integrated chain form by using hierarchical and aggregate signature techniques. It restricts the service providers to reject, modify, or delete the reviews. Thus, the integrity and authenticity of reviews are improved. Further, we extend the bTSE to a Sybil-resisted TSE (SrTSE) to enable the detection of two typical sybil attacks. In the SrTSE, if a user generates multiple reviews toward a vendor in a predefined time slot with different pseudonyms, the real identity of that user will be revealed. Through security analysis and numerical results, we show that the bTSE and the SrTSE effectively resist the service review attacks and the SrTSE additionally detects the sybil attacks in an efficient manner. Through performance evaluation, we show that the bTSE achieves better performance in terms of submission rate and delay than a service review system that does not adopt user cooperation.
机译：在本文中，我们提出了一种可信赖的服务评估（TSE）系统，使用户能够在面向服务的移动社交网络（S-MSN）中共享服务评论。每个服务提供商都自己为其维护一个TSE，该服务提供商在不需要任何第三信任机构的情况下收集并存储用户对其服务的评论。然后，可以使感兴趣的用户在做出明智的服务选择决策时使用服务评论。我们确定三种独特的服务审查攻击，即可链接性，拒绝和修改攻击，并为TSE开发复杂的安全机制以应对这些攻击。具体而言，基本TSE（bTSE）使用户能够通过使用分层和聚集签名技术以集成链的形式分布式并协作地提交其评论。它限制服务提供商拒绝，修改或删除评论。因此，提高了评论的完整性和真实性。此外，我们将bTSE扩展为SyTS抵抗的TSE（SrTSE），以检测两种典型的Sybil攻击。在SrTSE中，如果用户在预定义的时隙中使用不同的假名对供应商生成了多个评论，则将显示该用户的真实身份。通过安全性分析和数值结果，我们表明bTSE和SrTSE有效地抵抗了服务审查攻击，并且SrTSE还有效地检测了sybil攻击。通过性能评估，我们显示bTSE在提交率和延迟方面比未采用用户合作的服务审核系统具有更好的性能。

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