Improving the security of a parallel keyed hash function based on chaotic maps

被引：29

作者：

Xiao, Di ^{[1
]}

Liao, Xiaofeng ^{[1
]}

Wang, Yong ^{[1
,2
]}

机构：

[1] Chongqing Univ, Coll Comp Sci & Engn, Chongqing 400044, Peoples R China

[2] Chongqing Univ Posts & Telecommun, Coll Econ & Management, Chongqing 400065, Peoples R China

来源：

PHYSICS LETTERS A | 2009年 / 373卷 / 47期

基金：

中国国家自然科学基金;

关键词：

Hash function; Chaos; Security; Parallel;

D O I：

10.1016/j.physleta.2009.09.059

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this Letter, we analyze the cause of vulnerability of the original parallel keyed hash function based on chaotic maps in detail, and then propose the corresponding enhancement measures. Theoretical analysis and computer simulation indicate that the modified hash function is more secure than the original one. At the same time, it can keep the parallel merit and satisfy the other performance requirements of hash function. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：4346 / 4353

页数：8

共 8 条

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