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OHNN新的分组Hash算法

DOI: 10.11830/ISSN.1000-5013.2015.04.0393

Keywords: Hopfield神经网络, 混沌吸引子, 分段线性映射, Hash算法

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Abstract:

在Hash函数算法的研究设计过程中,引入混沌系统理论,探索研究基于混沌动力学的Hash函数算法.将分段线性混沌映射和过饱和的Hopfield神经网络(OHNN)进行结合,提出一种基于混沌动力理论的单向Hash函数构造方法.对算法进行仿真和测试,从不同方面分析验证所提新的算法满足Hash算法的性能指标.安全性分析表明:该算法能抵抗多种碰撞和统计分析的攻击,具有很好的安全性能.

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