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Title:
Variations to the cryptographics algorithms AES and TWOFISH
Authors: P. Freyre, N. Díaz, O. Cuellar
Abstract:The cryptographic algorithms AES and Twofish guarantee a high diffusion by the use of fixed 4x4 MDS matrices. In this article variations to the algorithms AES and Twofish are made. They allow that the process of cipher - decipher come true with MDS matrices selected randomly from the set of all MDS matrices with the use of proposed algorithm. A new key schedule with a high diffusion is designed for the algorithm AES. Besides proposed algorithm generate new S - box that depends of the key.
ePrint: https://eprint.iacr.org/2015/1080
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