摘要
针对预配置对密钥管理方案存在的缺点,引入一个临时初始密钥和混沌加密算法,提出一种预配置随机对密钥的改进方案。该方案能够使加密密钥随机地改变,且可以更新密钥,提高了网络抗破译的能力,实现了对称和非对称密钥体制的结合。分析表明该方案在安全性、密钥连通性、内存需求和密钥协商的计算量等方面有一定的优势,易于在Mica2节点上软件实现。
In order to resolve the problem of pairwise key pre-configured scheme in wireless sensor network,the introduction of a temporary initial key and chaotic encryption arithmetic, this paper put forward an improved wireless sensor network key pre-configured scheme. The program enabled encryption key random change, and could update the key,effectively enhance the capacity of the network of anti-decipher,the realization of the symmetric and asymmetric key system integration. The analysis shows that the scheme has a certain advantage in terms of network security, key connectivity, memory requirements and computation of key agreement, etc. It has implemented by easy software on Mica2 node.
出处
《计算机应用研究》
CSCD
北大核心
2010年第5期1856-1859,共4页
Application Research of Computers
基金
辽宁省自然科学基金资助项目(20082011)
沈阳市科学技术计划资助项目(1091185-1-00)
关键词
无线传感器网络
混沌
加密密钥
对密钥
密钥管理
wireless sensor networks
chaos
encryption key
pairwise key
key management
