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Title: Genetic Algorithm for Finding the Key’s Length and Cryptanalysis of the Permutation Cipher
Authors: Gorodilov, Aleksey
Morozenko, Vladimir
Keywords: Cryptography
Block Permutation Cipher
Genetic Algorithm
Data Encryption
Issue Date: 2008
Publisher: Institute of Information Theories and Applications FOI ITHEA
Abstract: In this article we discuss a possibility to use genetic algorithms in cryptanalysis. We developed and described the genetic algorithm for finding the secret key of a block permutation cipher. In this case key is a permutation of some first natural numbers. Our algorithm finds the exact key’s length and the key with controlled accuracy. Evaluation of conducted experiment’s results shows that the almost automatic cryptanalysis is possible.
ISSN: 1313-0463
Appears in Collections:Volume 15 Number 1

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