A chaos-based hash function with both modification detection and localization capabilities

A chaos-based hash function with both modification detection and localization capabilities
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具有修改检测和定位功能的基于混沌的哈希函数

DOI:
10.1016/j.cnsns.2009.10.012
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发表时间:
2010-09
影响因子:
3.9
通讯作者:
Liao, Xiaofeng
Liao, Xiaofeng
中科院分区:
数学2区
文献类型:
--
作者:
Xiao, Di;Shih, Frank Y.;Liao, Xiaofeng

文献摘要

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最近,已经提出了各种基于混沌的散列函数。然而,它们都不能实现修改本地化。本文提出了一种既具有修改检测能力又具有定位能力的散列函数,该散列函数还支持并行处理模式。通过采用变参数和自同步机制,密钥流可以与算法密钥、内容以及每个消息单元的顺序建立紧密的联系。理论分析和计算机仿真表明,该算法能够满足散列函数的性能要求。
Recently, a variety of chaos-based hash functions have been proposed. Nevertheless, none of them can realize modification localization. In this paper, a hash function with both modification detection and localization capabilities is proposed, which can also support the parallel processing mode. By using the mechanism of changeable-parameter and self-synchronization, the keystream can establish a close relation with the algorithm key, the content, and the order of each message unit. Theoretical analysis and computer simulation indicate that the proposed algorithm can satisfy the performance requirements of hash functions.
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