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嵌套Feistel结构的SP型分组密码的可证明安全性 被引量:6

Provable Security for SPN Block Ciphers Containing Feistel Structure
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摘要 给出一个嵌套Feistel结构的SP型分组密码的模型及其抵抗差分密码分析和线性密码分析的可证明安全性 ,所获得的结果主要基于对SP型密码的可证明安全性的一个推广性结果的证明 依照模型 。 A model of SPN ciphers is proposed, which contain Feistel structure with provable security against differential cryptanalysis and linear cryptanalysis. It's based on a generalized result of provable security of SPN ciphers. One practical example using this model is also given.
出处 《计算机研究与发展》 EI CSCD 北大核心 2004年第8期1389-1397,共9页 Journal of Computer Research and Development
基金 国家"八六三"高技术研究发展计划基金项目 ( 2 0 0 3AA14 40 3 0 ) 国家自然科学基金项目 ( 60 3 73 0 47 90 3 0 40 0 7) 国家"九七三"重点研究发展规划基金项目 (G19990 3 5 80 2 )
关键词 分组密码 Feistel型网络 SP型网络 差分密码分析 线性密码分析 可证明安全性 block cipher Feistel network SP-network differential cryptanalysis linear cryptanalysis provable security
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