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基于Feistel网络的AES密钥扩展算法

A Novel AES Key Expansion Based on Feistel Network
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摘要 Rijndaes算法被美国国家标准技术研究所(NIST)定做分组密码标准后,在安全领域得到广泛的应用,并被随后的NESSIE工程直接吸纳为标准。但同时,由于AES应用的广泛性和基础性,对其的研究和分析,不可避免地成为一个热点。本文结合被NESSIE工程所提出的其他的分组密码算法,提出了一种新的密钥扩展算法,该算法基于一种变形的Feistel网络结构,并在Matlab平台上得以实现。最后分析和证明了和原有算法相比具有的速度效率和安全性能优势。 This paper first points out some AES deficiency that has been found by cryptology researcher and then presents a new key schedule algorithm tbr AES. The new idea is based on a deformed Feistel network structure. It has been realized on Maflab platform. It is proved that the new algorthim is safer and quicker than the original algorithm.
作者 李政
机构地区 厦门大学计算机科学系
出处 《计算机与现代化》 2007年第9期27-30,共4页 Computer and Modernization
基金 国家自然科学基金资助项目(60373077)
关键词 AES KEY SCHEDULE 分组密码 FEISTEL网络 AES key schedule cipher block Feistel network
分类号 TP393.08 [自动化与计算机技术—计算机应用技术]
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参考文献9

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共引文献30

计算机与现代化
2007年 第9期

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