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OPQ: OT-based private querying in VANETs

机译:OpQ:VaNET中基于OT的私有查询

摘要

We consider the querying service (e.g., location-based query service) in vehicular ad hoc networks (VANETs). Querying service has been studied in various kinds of networks such as traditional mobile phone networks and other mobile ad hoc networks. However, existing schemes are either not suitable for VANETs due to their highly dynamic environment or do not provide a privacy-preserving solution. In this paper, we first discuss the security concerns of providing a querying service that ensures that a query will not be linkable to the querier. Then, we briefly highlight the characteristics of VANETs, which make the problem different from other types of networks. Finally, we propose a solution for solving the problem by using techniques of pseudoidentity, indistinguishable credentials, and oblivious transfer. We show that, although all infrastructure units collude, it is still impossible to link the real identity of the user to a query. Based on our simulation study, we show that our scheme is effective in terms of processing delay, message overhead, and success rate. © 2011 IEEE.
机译:我们考虑了车辆自组织网络(VANET)中的查询服务(例如,基于位置的查询服务)。已经在各种网络中研究了查询服务,例如传统的移动电话网络和其他移动自组织网络。但是,现有方案由于其高度动态的环境而不适用于VANET,或者不提供隐私保护解决方案。在本文中,我们首先讨论提供查询服务的安全性,以确保查询不会链接到查询器。然后,我们简要介绍VANET的特性,这使问题不同于其他类型的网络。最后,我们提出了一种使用伪身份,难以区分的凭证和遗忘转移的技术来解决问题的解决方案。我们显示,尽管所有基础结构单元相互勾结,但仍然不可能将用户的真实身份链接到查询。根据我们的仿真研究,我们表明我们的方案在处理延迟,消息开销和成功率方面是有效的。 ©2011 IEEE。

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