Security on a cryptographic model based on chaos

WEI Jun1; LIAO Xiao-feng2; YANG Ji-yun2

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Security on a cryptographic model based on chaos

更新时间：2024-10-14

- Security on a cryptographic model based on chaos
- Issue 9, Pages: 134-140(2008)
- 作者机构：
  
  遵义医学院医学信息工程系 2. 重庆大学计算机科学学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN918.1
- Published：2008
- 稿件说明：
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WEI Jun1, LIAO Xiao-feng2, YANG Ji-yun2. Security on a cryptographic model based on chaos[J]. 2008, (9): 134-140.
DOI：

WEI Jun1, LIAO Xiao-feng2, YANG Ji-yun2. Security on a cryptographic model based on chaos[J]. 2008, (9): 134-140. DOI：

摘要

基于混沌的密码算法设计引起了广泛的讨论

然而

大多数混沌密码算法发表不久即被攻击。为了对它们在混沌信号流攻击下非常脆弱的原因进行研究

分析了其中一些混沌密码算法的安全性

抽象出一个混沌密码数学模型

并提出了针对这一模型的攻击及相应的改进方法。最后

运用上述研究成果

分析了李树均在Phsics Letters A上提出的一种混沌密码算法的安全性

验证了该数学模型的有效性。

Abstract

The application of chaos in cryptography has attracted much attention

however

most of them were cracked soon after publications.To find why they are so weak under the attack to their chaotic signal streams

some chaotic cryptosystems were investigated.A mathematical model was then derived from these cryptosystems.Attack and corre-sponding improvement were deployed based on the model.The research is validated with a cryptanalysis on a chaotic en-cryption scheme presented by LI S J in Physics Letters A.

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Related Institution

School of Cyberspace Security (School of Cryptology), Hainan University

State Key Lab of Advanced Optical Communication Systems and Networks,Shanghai Jiaotong University

School Computer Science and Technology,Harbin University of Science and Technology

Management School,Harbin University of Science and Technology

School of Computer Science and Technology, Harbin University of Science and Technology

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