| 对智能卡进行微分功耗分析攻击的方法研究 |
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| 引用本文： | 谢满德,沈海斌,竺红卫.对智能卡进行微分功耗分析攻击的方法研究[J].微电子学,2004,34(6):609-613. |
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| 作者姓名： | 谢满德 沈海斌 竺红卫 |
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| 作者单位： | 浙江大学,超大规模集成电路设计研究所,浙江,杭州,310027 |
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| 基金项目： | 国家863计划资助项目(2001AA141050) |
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| 摘 要： | 详细阐述了对通用密码系统实施微分功耗分析攻击(DPA)的理论基础和对DES算法攻击的特定理论，并提出了对DPA的改进算法。在分析功耗信号的噪声特点以后，提出了一个信噪比(SNR)的建模方法和相应理论的证明。最后，给出了算法的一个实验结果。
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| 关 键 词： | 微分功耗分析 智能卡 DES算法 信噪比 分割函数 |
| 文章编号： | 1004-3365(2004)06-0609-05 |
A Study on Differential Power Analysis Attacks Against Smart-Card |
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| XIE Man-de,SHEN Hai-bin,ZHU Hong-wei.A Study on Differential Power Analysis Attacks Against Smart-Card[J].Microelectronics,2004,34(6):609-613. |
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| Authors: | XIE Man-de SHEN Hai-bin ZHU Hong-wei |
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| Abstract: | The fundamental principle of differential power analysis (DPA) attacks against universal cryptosystems and a particular theory of DPA attacks against data encryption standard (DES) algorithm are described in detail. An improved algorithm is proposed for DPA. Based on the analysis of noise characteristics of the power signals, an approach to modeling the signal-to-noise ratio (SNR) is proposed and corresponding theory is demonstrated. Finally, experimental results of the algorithm are presented. |
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| Keywords: | Differential power analysis (DPA) Smart card DES algorithm Signal-to-noise ratio Partition function |
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