Social role-based secure large data objects dissemination in mobile sensing environment
Social role-based secure large data objects dissemination in mobile sensing environment
复制标题
移动传感环境中基于社会角色的安全大数据对象传播
DOI：
10.1016/j.comcom.2015.02.007
复制
发表时间：
2015-07
影响因子：
6
通讯作者：
Ling Yun
中科院分区：
文献类型：
--
作者：
Xie M;e;Bhanja Urmila;Zhang Guoping;Wei Guiyi;Ling Yun
目前，在移动传感环境中，现有的安全大数据对象传播算法几乎都是集中式的。中心化服务器公开感知任务，也是发起感知数据传播的授权方。本文提出一种新型的基于社会角色和网络编码的安全分布式数据传播算法PRXeluge，以克服现有集中式数据传播算法的缺点。与现有的参与式感知应用不同，在PRXeluge中，服务提供商只是公开感知任务，并利用条件代理重签名技术来授权不同的社会角色，例如授权智能手机用户作为签约图片记者，感知数据并直接传播感知到的大数据。此外，PRXeluge在Seluge安全框架的基础上提出了XOR（Exclusive-OR）网络编码方案。为了最大化成功解码数据包的数量，PRXeluge 引入了邻居节点表来确定最佳编码方案。实验结果表明，与Seluge相比，所提出的PRXeluge在较低的数据包传输和传播延迟方面表现出更好的性能。此外，从实验中可以看出，与集中式方案相比，所提出的算法更强，并且执行细粒度的访问控制，而不会给用户节点带来任何额外的负载。
At present, in mobile sensing environment, almost all the existing secure large data objects dissemination algorithms are centralized. The centralized servers publicize the sensing tasks and are also the authorized parties to initiate sensed data dissemination. This paper proposes a novel social role and network coding based security distributed data dissemination algorithm referred as PRXeluge to overcome the shortcomings of existing centralized data dissemination algorithms. Unlike the existing participatory sensing applications, in PRXeluge, service provider just publicizes the sensing tasks and utilizes a conditional proxy re-signature technique to authorize different social roles such as authorized smartphone users to be utilized as a contracted picture reporters, which sense the data and directly disseminate the sensed large data. Furthermore, PRXeluge proposes the XOR (Exclusive-OR) network coding scheme on the basis of Seluge security framework. To maximize the number of successfully decoded packets, PRXeluge introduces a neighbor node table to determine the optimal coding scheme. Experimental results reveal that the proposed PRXeluge shows better performance in terms of lower data packet transmission and dissemination delay compared to that of Seluge. Furthermore, it is observed from the experiment that the proposed algorithm is stronger as compared to that of centralized scheme and performs the fine grain access control without giving any additional load to subscriber nodes.
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DOI：
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