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首页> 外文会议>Iranian Conference on Electrical Engineering >On the Security of an Efficient Anonymous Authentication with Conditional Privacy-Preserving Scheme for Vehicular Ad Hoc Networks
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On the Security of an Efficient Anonymous Authentication with Conditional Privacy-Preserving Scheme for Vehicular Ad Hoc Networks

机译：基于条件隐私保护方案的车辆自组织网络有效匿名认证的安全性

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摘要

Design of anonymous authentication scheme is one of the most important challenges in Vehicular Ad hoc Networks (VANET). Most of the existing schemes have high computational and communication overhead and they do not meet security requirements. Recently, Azees et al. have introduced an Efficient Anonymous Authentication with Conditional Privacy-Preserving (EAAP) scheme for VANET and claimed that it is secure. In this paper, we show that this protocol is vulnerable against replay attack, impersonation attack and message modification attack. Also, we show that the messages sent by a vehicle are linkable. Therefore, an adversary can easily track the vehicles. In addition, it is shown that vehicles face with some problems when they enter in a new Trusted Authority (TA) range. As a solution, we propose a new authentication protocol which is more secure than EAAP protocol without increasing its computational and communication overhead.
机译：匿名认证方案的设计是车载自组织网络（VANET）面临的最重要挑战之一。大多数现有方案具有较高的计算和通信开销，并且不满足安全性要求。最近，Azees等。已针对VANET引入了带有条件隐私保护的有效匿名身份验证（EAAP）方案，并声称它是安全的。在本文中，我们证明了该协议容易受到重放攻击，模拟攻击和消息修改攻击的攻击。此外，我们显示车辆发送的消息是可链接的。因此，对手可以容易地跟踪车辆。此外，还显示出，当车辆进入新的Trusted Authority（TA）范围时，会遇到一些问题。作为解决方案，我们提出了一种新的身份验证协议，该协议比EAAP协议更安全，而不会增加其计算和通信开销。

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