Design keyed Hash function based on couple chaotic system

WEI Peng-cheng1; ZHANG Wei 1; 2; LIAO Xiao-feng 1

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Design keyed Hash function based on couple chaotic system

更新时间：2024-10-14

- Design keyed Hash function based on couple chaotic system
- Issue 9, Pages: 27-33(2006)
- 作者机构：
  
  1. 重庆大学计算机科学与工程学院
  2. 重庆大学计算机科学与工程学院重庆400044重庆教育学院计算机与现代教育技术系
  3. ,重庆,400067
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP309
- Published：2006
- 稿件说明：
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WEI Peng-cheng1, ZHANG Wei 1, 2, et al. Design keyed Hash function based on couple chaotic system[J]. 2006, (9): 27-33.
DOI：

WEI Peng-cheng1, ZHANG Wei 1, 2, et al. Design keyed Hash function based on couple chaotic system[J]. 2006, (9): 27-33. DOI：

摘要

在对逐段非线性映射详细分析的基础上

提出一种用逐段非线性映射构造基于扰动的双混沌数字系统方法

然后建立一个基于双混沌系统的带秘密密钥的散列算法

算法以迭代初始点作为秘密密钥

以粗粒化的迭代轨迹作为其散列值。实验结果表明

这种算法具有对初值有高度敏感性、很好的单向性、弱碰撞性

较基于单一混沌映射的散列函数具有更强的保密性能

且实现简单。

Abstract

Analyzed the chaotic and cryptographic properties of a piecewise nonlinear map

a couple chaotic digital sys-tem was proposed based on perturbing which used the piecewise nonlinear

then a new approach to construct keyed Hash function was presented. The approach used the initial value of the couple chaotic system as the secret key and the coarse-graining trajectory as Hash values. Simulation results show that the chaotic keyed Hash function based on the couple chaotic system has good one-way

weak collision property

better security and it can be realized easily.

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Related Author

GUO Wei1

CAO Yang1

WANG Xiao-min2

HE Da-ke1

NIU Jun

SHEN Kuo

WANG Yuecong

HAN Xuexue

Related Institution

Laboratory of Information Security ＆ National Computing Grid,Southwest Jiaotong University

School of Information Science＆Technology,Southwest Jiaotong University

National Computer Network Intrusion Protection Center (University of Chinese Academy of Sciences)

School of Cyber Engineering, Xidian University

School of Hangzhou Institute of Technology, Xidian University

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