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基于环面自同构的公钥加密方案的密码分析

Cryptanalysis of a Public Key Encryption Scheme Based on Torus Automorphisms
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摘要 基于环面自同构的强混沌特性,Kocarev提出了一种公钥加密方案。理论分析表明,离散环面自同构与剩余类环上Chebyshev多项式相联系。作者进而揭示出该方案并非一个新方案,而是LUC系统的一个特例。同时,实验测试表明,Kocarev提到的算法并未使该方案具有更高的效率。 Based on strong chaoticity of the torus automorphisms, a public key encryption scheme is proposed by L. Kocarev. Theoretical analysis shows that discrete torus automorphism is related to Chebyshev polynomial, and the scheme is not a novel scheme but a special case of LUC system. Meanwhile, experiment test shows that the algorism proposed by Kocarev cannot make the scheme possess higher efficiency.
作者 张林华 陈勇
机构地区 重庆师范大学数学与计算机学院
出处 《计算机科学》 CSCD 北大核心 2007年第12期91-93,共3页 Computer Science
关键词 环面自同构 切比雪夫多项式 混沌 公钥加密 Torus automorphism, Chebshev polynomial, Chaos, Public key encryption
分类号 TP311.52 [自动化与计算机技术—计算机软件与理论]
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参考文献14

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二级参考文献17

  • 1BruceSchneier.应用密码学[M].北京：机械工业出版社,2000..
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  • 9Pina Bergamo, Paolo D' Arco, Alfredo De Santis, et al. Security of Public Key Cryptosysterns based on Chebyshev Polynomials[EB/OL]. http://citebase, eprints, org, 2004-8-25.
  • 10G' erard Maze. Algebraic Methods for Constructing oneway Trapdoor Functions[D]. Notre Dame: University of Notre Dame, 2003.

共引文献13

计算机科学
2007年 第12期

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