Biblioteka Cyfrowa
Opis wydania
Generating Pseudorandom S-Boxes – a Method of Improving the Security of Cryptosystems Based on Block Ciphers, Journal of Telecommunications and Information Technology, 2009, nr 2
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Opis :
The paper presents a general framework for improving the security of the cryptosystem based on the symmetric block cipher. The main idea is based on possibility of chancing substitution boxes (called S-boxes) in encryption/decryption algorithm. In order to make it possible, it is necessary to generate identical boxes by an encryption and decryption party. This is the main reason, why deterministic methods of generating substitution boxes based on the pseudorandom sequences will be presented.
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