XTR三元素等价现象的研究及改进方案  

Research of tri-unit-equivalence phenomenon and improved scheme on XTR

作　　者：黎勇[1] 张向利[1] 何龙[2] 朱冲[2] 

机构地区：[1]桂林电子科技大学计算机与控制学院,广西桂林541004 [2]桂林电子科技大学信息与通信学院,广西桂林541004

出　　处：《计算机应用》2008年第12期3211-3213,3230,共4页journal of Computer Applications

摘　　要：通过运用循环群和对换的性质讨论和证实了三元素等价现象,分析了该现象对XTR公钥体制的安全性影响,提出了一种新的改进方案,分析了新算法的计算复杂度与通信开销。与其他同类方法相比较,新方案更有效地提高了XTR的安全规模强度。Tri-unit-equivalence phenomenon was discussed and proved by the property of cyclic group and transposition. The effect of the phenomenon on XTR security was analyzed. A new improved scheme was proposed, and its security, computational complexity and communications cost were analyzed. The improved scheme is more effective than the others tO improve the scale of XTR security.

关 键 词：循环群 对换 有效的紧致子群迹表示 公钥体制 计算复杂度 通信开销 

分 类 号：TP309.7[自动化与计算机技术—计算机系统结构]