关键词: 组控制器 最优化问题 密钥加密密钥 会话加密钥匙 分配方案 钥匙 设计方法 组播 删除方法 平均信息量

Abstract: All kinds of different methods based on rooted-tree multicast key distribution schemes make efforts to minimize the user key storage while providing efficient member deletion. In this paper, we show that the user key storage on rooted trees can be systema

Key words: Droup controller, Opthnaization problem, Key-encrypting key, Session-encrypting key