文章基本信息

标题：A Modified Feistel Cipher involving a pair of key matrices,Supplemented with ModularArithmetic Addition and Shuffling of the plaintext in each round of the iteration process
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作者：V.U.K. Sastry ; K. Anup Kumar
期刊名称：International Journal of Computer Science and Information Technologies
电子版ISSN：0975-9646
出版年度：2012
卷号：3
期号：1
页码：3119-3128
出版社：TechScience Publications
摘要：In this paper, we have offered a generalization to the classical Feistel cipher. Here we have taken the plaintext in the form of a rectangular matrix. This matrix is decomposed into two parts wherein each one is a square matrix. In these, one of the parts is multiplied with a pair of keys K and L. In each round of the iteration process, we have carried out a thorough shuffling of the binary bits of the resulting plaintext, so that, confusion and diffusion are created intensively. The cryptanalysis carried out in this investigation clearly indicate that this cipher is a strong one, and it can be comfortably applied for the security of informationries.
关键词：Encryption; Decryption; Key matrix; Mix;Permute and Modular Arithmetic Addition.etc.