移动自组网中基于多跳步加密签名 函数签名的分布式认证

移动自组网Manet(Mobile Ad Hoc Network)是一种新型的无线移动网络,由于其具有网络的自组性、拓扑的动态性、控制的分布性以及路由的多跳性,所以,传统的安全机制还不能完全保证Manet的安全,必须增加一些新的安全防范措施.本文探讨了Manet所特有的各种安全威胁,提出了一种基于多跳步加密签名函数签名的安全分布式认证方案,即将移动密码学与(n,t)门槛加密分布式认证相结合,并采用了分布式容错处理算法和私钥分量刷新技术以发现和避免攻击者假冒认证私钥进行非法认证以及保护私钥分量和认证私钥不外泄.

Secure Distributed Authentication Based on Multi-Hop Signing with Encrypted Signature Functions in Mobile Ad Hoc Networks

Mobile Ad Hoc Network(Manet) is a new kind of wireless mobile network.Because of its self organization,dynamic topology,distributed control and multi hop routing,traditional security mechanisms are not sufficient to secure Manet.Therefore,some new security mechanisms must be used.Security threats faced by Manet are studied,and a secure distributed authentication scheme based on multi hop signing with encrypted signature functions is proposed.Here mobile cryptography and ( n,t ) threshold cryptography distributed authentication are combined,and distributed fault tolerance processing algorithm and private key share refreshing technology are used to detect and prevent attackers from violating authentication using digital signature and protect private key shares and authentication private key from leaking.