摘要
在不影响消息传输算法自身传输效率的情况下,如何在不可信任的机会网络节点环境中,保护可能暴露的上下文信息一直是业界研究的重点。提出了借助一种基于上下文信息的、可搜索的对称密码算法,来对数据传输进行加密。该算法将包含目的节点关键信息的关键字转换成为可搜索、可加密的消息头,将加密算法与信息数据的关键字进行优化配对,这样既能够向目的节点进行安全可靠的数据传输,亦可在数据传输过程中对其进行加密处理,以保证其安全性。基于ONE仿真软件进行模拟实验,本文的结果表明,利用对称密码学实施安全策略更符合机会网络节点特征。本文采用的安全策略并不会对其数据到达率及消息延迟产生较大的影戏;本文所建立的算法较之现有已报道的算法,具有较高的数据包转发成功率以及较小的消息延迟率,二者可以达到平衡。
Without affecting the transmission efficiency of the message transmission algorithm,how to protect the context information,which could be exposed to the untrusted opportunity network node,has been one of the study points.This paper proposed a security strategy of message transmission based on searchable encryption algorithm of the context information.The algorithm transforms key words containing key node destination information to searchable encryption message header.It optimize pairs between the encryption algorithm and the keyword of the information data. This method does not only carry out safe and reliable data transmission to the destination node,but also realize the transmission of a message with securing the context information.Based on ONE simulator,the results show that the security strategy of message transmission algorithm is more suitable for the opportunistic network.The method doesn＇t affect the data delivery ratio or causes the latency among messages in the opportunistic network.Compared with the existing algorithms,the algorithm used in this paper has higher packet delivery success rate and smaller message delay rate,which have achieved an equilibrium between the packet delivery success rate and message delay rate.
作者
薄瑜
王立娟
何丹丹
BO Yu,WANG Li-juan,HE Dan-dan(School of Information Science,Dalian Institute of Science And Technology,Dalian, Liaoning, 116000, China)
出处
《计算技术与自动化》
2018年第2期89-94,共6页
Computing Technology and Automation
关键词
机会网络
上下文数据传输
对称密码学
可搜索加密算法
opportunity network
context data transmission
symmnetrie eptography
searchable encryption algorithm
