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Design and implementation of power analysis-immune SMS4 algorithm

机译:功耗分析-免疫SMS4算法的设计与实现

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This paper presents a new architecture and circuit implementation of low-cost power analysis-immune SMS4. The general data masking scheme is used in the liner operations of SMS4, such as cyclic left shift and exclusive OR. For the nonliner operation, inhomogeneous S-boxes instead of fixed S-boxes are designed, which show different power consumption curves. The permutation of S-boxes is determined by using the circular left shifter and the circular right shifter, which lead to SMS4 operation power randomization. The experimental results demonstrate that this method enhance the SMS4 secure characteristics effectually against the power analysis attack.
机译:本文提出了一种新型的架构和电路实现方式,即低成本的功耗分析免疫式SMS4。通用数据屏蔽方案用于SMS4的线性操作中,例如循环左移和异或。对于非线性操作,设计了不均匀的S盒而不是固定的S盒,它们显示了不同的功耗曲线。通过使用圆形左移位器和圆形右移位器来确定S盒的排列,这导致SMS4操作功率随机化。实验结果表明,该方法有效地增强了SMS4的安全特性,抵抗功耗分析攻击。

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