通信学报 ›› 2015, Vol. 36 ›› Issue (Z1): 131-135.doi: 10.11959/j.issn.1000-436x.2015291

• 学术论文 • 上一篇    下一篇

针对密码芯片频域互信息能量分析攻击

王敏,吴震,饶金涛,杜之波   

  1. 成都信息工程大学 信息安全工程学院,四川 成都 610225
  • 出版日期:2015-11-25 发布日期:2015-12-29
  • 基金资助:
    国家重大科技专项基金资助项目;国家高技术研究发展计划 ( 863 计划)基金资助项目;“十二五”国家密码发展基金资助项目;四川省科技支撑计划项目基金资助项目;四川省教育厅重点科研基金资助项目;成都信息工程学院科基金资助项目

Mutual information power analysis attack in the frequency domain of the crypto chip

Min WANG,Zhen WU,Jin-tao RAO,Zhi-bo DU   

  1. College of Information Security Engineering,Chengdu University of Information Technology,Chengdu 610225,China
  • Online:2015-11-25 Published:2015-12-29
  • Supported by:
    The National Science and Technology Major Project;The National High Technology Research and Development (863 Program);“The 12th five-years” National Cryptogram Development Fund;Sichuan Science and Technology Support Programmer;Sichuan Provincial Education Department Key Scientific Research Projects;The Scientific Research Foundation of CUIT

摘要:

在对密码芯片进行时域上互信息能量分析基础上,提出频域上最大互信息系数能量分析攻击的方法。该方法结合了密码芯片在频域上信息泄露的原理和互信息能量分析攻击的原理,引入了最大互信息系数的概念,避免了在时域上进行曲线精确对齐的操作,并针对国产密码算法SMS4进行了攻击测试。实验表明,频域上最大互信息系数攻击的有效性扩展了侧信道能量分析攻击的方法。

关键词: 侧信道攻击, 互信息量, 频域, 最大互信息系数

Abstract:

Based on the mutual information power analysis attack in time domain of the crypto chip,a method for analyzing the energy of the maximum mutual information coefficient in the frequency domain was proposed.This method combined the principle of password chip information leakage in frequency domain and the principle of mutual information power analysis.The concept of maximum mutual information coefficient was introduced,which avoided the operation of accurate alignment in time domain.Experiments on the algorithm of SMS4 show that the effectiveness of the maximum mutual information coefficient attack in the frequency domain is extended to the method of the side channel energy analysis.

Key words: side-channel attack, mutual information, frequency domain, maximum mutual information coefficien

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