Improvement for Block Cipher Based on S-Box Reorganization

Xian Zhen Ma; Wei Zhang; Fu Rong Wang

doi:10.4028/www.scientific.net/AMM.543-547.3516

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 543-547Improvement for Block Cipher Based on S-Box...

Improvement for Block Cipher Based on S-Box Reorganization

Abstract:

S-box is the core of block ciphers. Its cryptographic properties impact on the security of block ciphers directly. From S-box inherent weaknesses, this paper adopt Fractal theory, and put forward a method based on non S-box transformation to change the S-box using sequence, that is, using the sub-key of each round to determine the S-box sequence by Fractal theory, then the effects different keys in each encryption come true. The method improved encryption algorithm, enhanced encryption strength and increased the algorithms security.

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Periodical:

Applied Mechanics and Materials (Volumes 543-547)

Pages:

3516-3519

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.543-547.3516

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Online since:

March 2014

Authors:

Xian Zhen Ma*, Wei Zhang, Fu Rong Wang

Keywords:

Block Cipher, Fractal Theory, S-Box

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* - Corresponding Author

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