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计算机工程 ›› 2012, Vol. 38 ›› Issue (15): 12-15.doi: 10.3969/j.issn.1000-3428.2012.15.004

• 专栏 • 上一篇    下一篇

基于互信息博弈的侧信道攻击风险评估模型

姚剑波1，张 涛2   

  1. (1. 遵义师范学院计算机科学系，贵州 遵义 563002；2. 中国电子科技集团公司第三十研究所卫士通公司，成都 610041)
  • 收稿日期:2011-10-08 出版日期:2012-08-05 发布日期:2012-08-05
  • 作者简介:姚剑波(1965－)，男，博士、CCF高级会员，主研方向：网络与信息安全；张 涛，博士
  • 基金项目:

    贵州省科学技术基金资助项目(黔科合J字2009(2275))；贵州省优秀科技教育人才省长专项基金资助项目(黔省专合字(2009)27号)

Side Channel Attack Risk Evaluation Model Based on Mutual Information Game

YAO Jian-bo 1, ZHANG Tao 2   

  1. (1. Department of Computer Science, Zunyi Normal College, Zunyi 563002, China; 2. Westone Corporation of No.30 Research Institute, China Electronics Technology Group Corporation, Chengdu 610041, China)
  • Received:2011-10-08 Online:2012-08-05 Published:2012-08-05

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摘要：

将互信息博弈理论引入密码芯片设计者(防御方)和攻击者的决策过程，建立一种互信息博弈的风险量化评估模型。考察攻防策略的选择对安全风险的影响，并结合互信息的量化方法，给出Nash均衡条件下攻防双方的优化策略选择方法及互信息收益。通过案例分析，验证了该策略的有效性。

关键词: 互信息博弈, 侧信道攻击, 风险评估模型, 密码芯片, Nash均衡

Abstract:

Mutual information game theory is introduced in the decision-making process of the cryptographic chips designers (defense party) and the attacker, a risk quantification evaluation model based on mutual information game is built. It investigates the attack and designs tactics choice to security risks, and combining with the quantitative methods of the mutual information, gives the optimization tactics selection method of the both sides of attack and designs on Nash equilibrium conditions, gives the mutual information benefits of the both sides of attack and designs on Nash equilibrium. Through the case analysis, the validity of the strategy is proved.

Key words: mutual information game, side channel attack, risk evaluation model, cryptographic chip, Nash equilibrium

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