摘要： 分析AES和SMS4算法的原理及可重构性，给出系统的整体结构，综合应用可重构技术、并行处理及流水线技术对算法进行高效实现。与传统设计方案相比，该设计在保证运行速度的同时大大减少了资源的消耗，因此，适用于面积受限且有多种密码需求的安全 系统。

关键词: 高级加密标准, SMS4算法, 可重构

Abstract: This paper analyzes AES and SMS4 algorithm and their reconfigurable characteristics, and introduces the architecture of system. The algorithm is implemented efficiently by using reconfigurable technology, parallel structure and pipeline. The comparison with traditional designs shows that the design can reduce the area cost greatly while the speed is guaranteed. It is suitable for security system with limited area and multiple requirements about cipher.

Key words: AES, SMS4 algorithm, reconfigurable

中图分类号: 

• TP301.6