| 一种基于Cache的AES计时模板攻击方法 |
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| 引用本文： | 吴克辉,王韬,赵新杰,张金中.一种基于Cache的AES计时模板攻击方法[J].军械工程学院学报,2011(2):65-68. |
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| 作者姓名： | 吴克辉 王韬 赵新杰 张金中 |
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| 作者单位： | 军械工程学院计算机工程系; |
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| 基金项目： | 河北省自然科学基金数学研究专项资助项目(08M010) |
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| 摘 要： | 采用面向字节、分而治之的攻击思想,将AES主密钥按字节划分为若干子密钥块,为每个子密钥块的所有候选值搭建Cache计时信息模板,并采集未知密钥AES算法的Cache计时信息,使Pearson相关性算法与模板匹配,成功地恢复AES-128位密钥。实验结果表明：AES查找表和Cache结构缺陷决定了AES易遭受Cache计时模板攻击,而模板分析理论在时序驱动攻击分析中是可行的。
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| 关 键 词： | Cache AES 计时攻击 模板分析 |
One Cache-based Timing Template Attack Method Against AES |
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| WU Ke-hui,WANG Tao,ZHAO Xin-jie,ZHANG Jin-zhong.One Cache-based Timing Template Attack Method Against AES[J].Journal of Ordnance Engineering College,2011(2):65-68. |
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| Authors: | WU Ke-hui WANG Tao ZHAO Xin-jie ZHANG Jin-zhong |
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| Institution: | WU Ke-hui,WANG Tao,ZHAO Xin-jie,ZHANG Jin-zhong(Department of Computer Engineering,Ordnance Engineer College,Shijiazhuang 050003,China) |
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| Abstract: | We adopt the byte-oriented and divided-rule principle,and divide the master encryption key into some small encryption key parts under the standard of byte,then build up templates about Cache timing information for the whole candidates of every key part,and gather Cache timing information of unknown-key AES to match with the template through the Pearson correlativity algorithm.Then the full encryption 128-bit key of AES is recovered successfully.Experiment results demonstrate that the AES lookup table and de... |
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| Keywords: | Cache AES timing attack template analysis |
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