主动分布计费中的节点安全模型

Node Security Model in Active Distributed Accounting

主动分布式计费框架用于将来的无线网络计费,克服了原有的集中式的单一计费模式的弊端,而主动分布计费节点的安全性则成为首先要解决的问题。本文针对主动网络的特点,将传统的“协商式”密钥分配协议GDH.2进行了改进用于主动节点计费数据加密,提出基于角色的访问控制策略,建立了主动分布计费节点安全模型,保证了计费的安全,使上述框架更具实用性。

Active distributed accounting frame for the future wireless network accounting, conquer the shortcoming of the primary centralized network accounting, but the security of active node become an important problem. In allusion to specialty of active network, this paper improves on traditional ＂negotiatory＂ secret key distributing protocol GDH.2 to encrypt tbe accounting data in active node, propose an access authorization policy based on role, set up node security model in active distributed accounting, which ensure accounting security, and make the frame more practical.