【摘要】 定义了分布式应用中的多级安全密钥分发系统的无条件安全性,分析了在该系统中,以安全标签表示的每一户应掌握的信息量的下界,并讨论了等级安全的会议密钥分发系统。更多还原

【Abstract】 In the paper,we define the unconditional security of key distribution scheme for the multilevel security in distributional application,analyzes the minimum information of each user marked by security labels,and discuss key distribution scheme for conferences in hierarch.更多还原