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ZUC序列密码算法的选择IV相关性能量分析攻击

         

摘要

为了分析ZUC序列密码算法在相关性能量分析攻击方面的免疫能力,该文进行了相关研究。为了提高攻击的针对性,该文提出了攻击方案的快速评估方法,并据此给出了ZUC相关性能量分析攻击方案。最后基于ASIC开发环境构建仿真验证平台,对攻击方案进行了验证。实验结果表明该方案可成功恢复48 bit密钥,说明ZUC并不具备相关性能量分析攻击的免疫力,同时也证实了攻击方案快速评估方法的有效性。相比Tang Ming等采用随机初始向量进行差分能量攻击,初始向量样本数达到5000时才能观察到明显的差分功耗尖峰,该文的攻击方案只需256个初始向量,且攻击效果更为显著。%To analyze the immunity of ZUC stream cipher in aspect of correlation power analysis attack, some relevant researches are conducted. In order to improve the pertinence of attack, a rapid assessment method of the attack scheme is presented, and accordingly a correlation power analysis scheme of ZUC is proposed. Finally, based on the simulation platform raised by ASIC development environment, the attack scheme is validated. Experiment results turn out that the scheme can successfully attack 48-bit key, confirming that ZUC is unable to resist the correlation power analysis attack, and the proposed assessment method of attack scheme takes effect. Compared with Tang Ming’s experimental, which conducted differential power analysis of ZUC with random initial vectors and observing distinct differential power peak with 5000 initial vectors, the proposed attack scheme only uses 256 initial vectors, and gets better results.

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