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Enhanced AES Algorithm for Strong Encryption


V.Sumathy, C. Navaneethan


Vol. 13  No. 8  pp. 44-48


In this paper we present a new AES encryption and decryption process for both plain text and key Expansion. This algorithm is widely accepted due to its strong encryption, complex processing and its resistance to Brute-force attack. The proposed modifications are implemented on the rounds of the algorithm and Hash Based key expansions are made. These modifications enhance the degree of complexity of the encryption and decryption process, thereby making it difficult for the attacker to predict a pattern in the algorithm.


S-Box, Key Matrix,Modified SubBytes, Modified ShiftRows, Modified MixColumns.,Modified Key Expansion, Modified Inverse MixColumns. Modified Inverse ShiftRows, Modified Inverse SubBytes.