WSN中一种优化的混合密钥分配方案  

A Kind of Optimization of the Mixed Key Management Scheme for Wireless Sensor Networks

作　　者：沈明玉[1] 刘腾[1] 

机构地区：[1]合肥工业大学计算机与信息学院,安徽合肥230009

出　　处：《微电子学与计算机》2013年第9期86-89,共4页Microelectronics & Computer

基　　金：合肥工业大学博士专项基金(GDBJ2009-005)

摘　　要：由于对称加密算法不能很好地解决无线传感器网络中存在的安全问题.本文对对称加密算法和非对称加密算法进行了优化;采用对称多项式建立通信路径,椭圆加密算法进行认证,认证后节点间将会产生较短的会话密钥,节点间相互通信时可以使用该会话密钥进行通信.通过随机图理论对该分配方案的连通性进行了分析,在研究敌手攻击过程的基础上证明了该方案在实际应用中具有很高的安全性;在对该方案的详细分析和比较的基础上,进一步证明了该方案的可行性以及安全性.Symmetric encryption algorithm can not solve the security problems effectively existing in the wireless sensor networks. This paper proposes a key distribution scheme based on symmetric encryption algorithm and elliptical encryption algorithm, which is optimized by asymmetric encryption algorithm and utilizes communication path created by symmetric polynomials and authenticate used by elliptical encryption algorithm,and which can bring shorter session key after the mutual authentication between nodes. This work analyses connectivity of the allocation scheme by the random graph theory and we proved the scheme has very high security in the practical application which is based on the research of the enemy attack process, The scheme proves feasibility and security based on the scheme detailed analysis and comparison.

关 键 词：无线传感器网络 对称加密算法 非对称加密算法 计算开销 通信开销 

分 类 号：TP393.08[自动化与计算机技术—计算机应用技术]