A novel block cryptosystem based on iterating a chaotic map

被引：141
作者：
Xiang, T
Liao, XF [1 ]
Tang, GP
Chen, Y
Wong, KW
机构：
[1] Chongqing Univ, Dept Comp Sci & Engn, Chongqing 400044, Peoples R China
[2] Logist Engn Univ PLA, Chongqing 400016, Peoples R China
[3] City Univ Hong Kong, Dept Comp Engn & Informat Technol, Hong Kong, Hong Kong, Peoples R China
来源：
PHYSICS LETTERS A | 2006年 / 349卷 / 1-4期
基金：
中国国家自然科学基金;
关键词：
chaos; chaotic cryptosystem; encryption; security;
D O I：
10.1016/j.physleta.2005.02.083
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A block cryptographic scheme based on iterating a chaotic map is proposed. With random binary sequences generated from the real-valued chaotic map, the plaintext block is permuted by a key-dependent shift approach and then encrypted by the classical chaotic masking technique. Simulation results show that performance and security of the proposed cryptographic scheme are better than those of existing algorithms. Advantages and security of our scheme are also discussed in detail. (c) 2005 Published by Elsevier B.V.
引用
收藏
页码：109 / 115
页数：7
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