计算机科学 ›› 2015, Vol. 42 ›› Issue (Z6): 370-377.
杨涛,王亚坤,葛云峰,林宇
YANG Tao, WANG Ya-kun, GE Yun-feng and LIN Yu
摘要: 车辆自组网(VANETs)是一种物联网在智能交通领域的重要应用形态,近年来已经成为了学术界和工业界的共同研究重点。VANETs具有诱人的发展前景,但其应用受到安全性和隐私保护的严格制约,因此有关VANETs的安全性和隐私保护的文献逐渐成为研究的一个热点,涌现了一大批研究成果,对VANETs的实用化具有重要意义。针对车-车(V2V)通信的隐私保护,基于城市交通的浮动车辆,设计了一个可追溯身份隐私保护协议:FAPP。FAPP采取浮动车辅助成群隐私保护技术:浮动车F联合周边车辆自发形成一个群组,F作为组长,负责认证组员有效性、颁发组密钥和规定组参数;F将组员秘密发送给自己的消息匿名化处理后,用组密钥对称加密后再转发给其它组员或者其它组。必要时,TRC能准确定位消息的产生者。安全性和性能分析表明该协议能够很好地满足VANETs中车-车通信下条件隐私保护的目标。据我们所知,这是第一个基于城市交通浮动车成群技术的VANETs隐私保护协议。
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