| Width-w NAF算法的能量攻击防范对策 |
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| 引用本文： | 周文锦,鲁晓军,朱大勇,范明钰,张涛. Width-w NAF算法的能量攻击防范对策[J]. 电子科技大学学报(社会科学版), 2007, 0(3) |
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| 作者姓名： | 周文锦 鲁晓军 朱大勇 范明钰 张涛 |
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| 作者单位： | 电子科技大学计算机科学与工程学院 成都610054 |
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| 基金项目： | 国家自然科学基金资助项目(60373109) |
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| 摘 要： | 介绍了椭圆曲线加密的快速算法、Width-wNAF算法及能量分析攻击方法;提出了width-wNAF算法的改进算法。在不增加主循环计算量的情况下,改进算法有效地抵抗了能量分析攻击,包括简单能量分析攻击、差分能量分析攻击、改进的差分能量分析攻击以及零值点攻击。
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| 关 键 词： | 椭圆曲线加密 能量分析攻击 width-wNAF 零值点攻击 |
Resistance Against Power Analysis Attacks on Width-w NAF Method |
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| ZHOU Wen-jin,LU Xiao-jun,ZHU Da-yong,FAN Ming-yu,ZHANG Tao. Resistance Against Power Analysis Attacks on Width-w NAF Method[J]. Journal of University of Electronic Science and Technology of China(Social Sciences Edition), 2007, 0(3) |
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| Authors: | ZHOU Wen-jin LU Xiao-jun ZHU Da-yong FAN Ming-yu ZHANG Tao |
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| Abstract: | For the advantages of security and computation, elliptic curve cryptography is widely used in smart cards. Width-w NAF method with small space and high speed, is favored by elliptic curve cryptography. The present of power analysis attacks give us a new way to examine the security of smart-card. This paper presents an improved algorithm based on width-w NAF method to resistant power analysis attacks, including simple power analysis attacks, differential power analysis attacks, refined power analysis attacks and zero-value point attacks, without increase any computation of main loop. |
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| Keywords: | elliptic curve cryptography power analysis width-w NAF zero-value point attack |
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