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Alternating authentications to match the situational context of an intelligent communicating vehicle

机译：交替的身份验证以匹配智能通信车辆的情境范围

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摘要

The utilized authentication framework in a transportation network definitely influences the network size (number of vehicles) and vehicles' anonymity degree. Some frameworks can accommodate larger network size trading off anonymity level; other authentications offer superior anonymity traits given sparse networks only. Addressing such knowledge gap, we introduce a context-aware authentication interchanging scheme. Every specific time interval, each networked vehicle checks its context. For a crowded neighborhood, the vehicle utilizes a low-communication-overhead authentication, while for a sparse neighborhood, the vehicle alters to more anonymous authentication. The frameworks of interest are the Public Key Infrastructure (PKI) authentication, the Group Signature (GS) authentication, and a newly developed Identity-Based Cryptographic (IBC) framework. The scheme's proof of concept is validated by a formed argument applying the strategies of attacker games and forking lemmas. The scheme's effectiveness is analyzed for two communication scenarios; the results show that by alternating authentications, better performance is achieved in comparison to the state of having single secure authentication throughout the network lifetime. The approach is computably fast and does not compromise the autos' anonymity.
机译：运输网络中的利用认证框架肯定会影响网络尺寸（车辆数量）和车辆的匿名度。一些框架可以容纳更大的网络大小交易匿名级别;其他身份验证仅提供卓越的网络匿名性状。解决此类知识差距，我们介绍了一个上下文感知认证互换方案。每个特定时间间隔，每个网络车辆都会检查其上下文。对于拥挤的邻居，车辆利用低通信架构认证，而对于稀疏邻域，车辆可以更改更匿名的认证。感兴趣的框架是公钥基础架构（PKI）认证，组签名（GS）身份验证以及基于新开发的基于身份的加密（IBC）框架。该计划的概念证明是由攻击游戏策略和分叉LEMMAS的策略验证的概念证明。对两个沟通情景分析该方案的有效性;结果表明，通过交替认证，与在整个网络寿命中具有单一安全认证的状态相比，实现了更好的性能。该方法是快速的，不妥协Autos的匿名性。

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