An Expression Method to Implement S-Box and Inverse S-Box Substitution for AES Algorithm

QIN Xiao-cao; LI Shu-guo

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An Expression Method to Implement S-Box and Inverse S-Box Substitution for AES Algorithm

更新时间：2026-09-04

- An Expression Method to Implement S-Box and Inverse S-Box Substitution for AES Algorithm
- Vol. 31, Issue 1, Pages: 112-115(2014)
- 作者机构：
  
  清华大学微电子学研究所,北京,100084
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2014
- 稿件说明：
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覃晓草, 李树国. 一种AES算法中S盒和逆S盒替换的表达式方法[J]. 微电子学与计算机, 2014, 31(1): 112-115.

QIN Xiao-cao, LI Shu-guo. An Expression Method to Implement S-Box and Inverse S-Box Substitution for AES Algorithm[J]. 2014, 31(1): 112-115.
覃晓草, 李树国. 一种AES算法中S盒和逆S盒替换的表达式方法[J]. 微电子学与计算机, 2014, 31(1): 112-115. DOI：

QIN Xiao-cao, LI Shu-guo. An Expression Method to Implement S-Box and Inverse S-Box Substitution for AES Algorithm[J]. 2014, 31(1): 112-115. DOI：

摘要

S盒替换与逆S盒替换是A ES算法性能的主要瓶颈，它直接影响A ES芯片的运算速度.在优化Q-M化简法基础上，提出了一种实现A ES算法中S盒替换和逆S盒替换的表达式方法，这种表达式方法相比于普遍使用的查表法，其延时减小了8.5%，面积减小了27.4%，功耗减小了17%.

Abstract

S-Box substitution and inverse S-Box substitution are the major bottleneck for AES algorithm

which directly affect the speed of AES chip.On the basis of optimizing Q-M simplifying method

this paper proposes an expression method to implement the S-Box substitution and inverse S-Box substitution in AES algorithm.Compared with the widespread use of the look-up-table method

the expression method can reduce the delay

area and power of circuit by 8.5%

27.4% and 17% respectively.

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