Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (27): 106-108.DOI: 10.3778/j.issn.1002-8331.2010.27.029

• 网络、通信、安全 • Previous Articles     Next Articles

Elimination of tri-unit-equivalence phenomenon on XTR

LI Yong1,2,ZHANG Xiang-li1   

  1. 1.Department of Computer and Control,Guilin University of Electronic Technology,Guilin,Guangxi 541004,China
    2.Guangxi Radio & TV Network Corporation,Nanning 530022,China
  • Received:2009-03-03 Revised:2009-06-10 Online:2010-09-21 Published:2010-09-21
  • Contact: LI Yong


黎 勇1,2,张向利1   

  1. 1.桂林电子科技大学 计算机与控制学院,广西 桂林 541004
    2.广西广播电视信息网络股份有限公司,南宁 530022
  • 通讯作者: 黎 勇

Abstract: Based on the property of cyclic group and permutation,the special property of tri-unit-equivalence phenomenon is discussed in more details.Methods eliminating the phenomenon are showed;and the results of the methods are generalized.An improved scheme is proposed.Its security,computational complexity and communications cost are analyzed.It improves the XTR(Efficient and Compact Subgroup Trace Representation) security directly and effectively.

摘要: 通过运用循环群和置换的性质,进一步探讨了三元素等价现象的特性,提出了消除三元素等价现象的方法,并总结概括各方法的效果;提出了一种改进方案,分析了该方案的计算复杂度、通信开销和安全性;改进方案简单有效地提高了XTR的安全强度。

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