首页|An application of genetic algorithm to cryptanalysis of block ciphers by partitioning the key space

An application of genetic algorithm to cryptanalysis of block ciphers by partitioning the key space

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The genetic algorithm has been used in cryptanalysis. In this paper, we present a general attack to block ciphers by using this algorithm. This method considers the cipher as a black box and it is a known plaintext attack, whose objective is to find the key session. The crucial point of our approach is to make a partition of the key space into subsets determined by the division by a certain divisor, so that one can focus the attack in only some of these subsets. We show how this method can be successfully applied to a member of a block cipher family that contains the AES cipher.

CryptanalyisisBlock ciphersGenetic algorithm

Borges-Trenard, Miguel A.、Borges-Quintana, Mijail、Monier-Columbie, Lazaro

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Univ Antonio Narino

Univ Oriente

2022

Journal of Discrete Mathematical Sciences and Cryptography

Journal of Discrete Mathematical Sciences and Cryptography

ISSN:0972-0529
年,卷(期):2022.25(2)
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