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Proposed A Permutation and Substitution Methods of Serpent Block Cipher
Ibn AL- Haitham Journal For Pure and Applied Science
Block cipher technique is one of cryptography techniques to encrypt data block by block. The Serpent is one of AES candidates. It encrypts a 128-bit block by using 32 rounds of a similar calculation utilizing permutations and substitutions. Since the permutations and substitutions of it are static. Then this paper proposes dynamic methods for permutation, substitution and key generation based on chaotic maps to get more security. The proposed methods are analyzed and the results showed thatdoi:10.30526/32.2.2120 fatcat:c5c37txxgbh4lcn5c7gdapxj64