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Anglický jazyk
Image Encryption Scheme Based on Chaotic Maps
Autor: Su Su Maung
A new encryption scheme using dynamical 8 × 8 S-box, based on the composition of chaotic maps, is proposed. In this method, the dynamical S-box, one first uses a known chaotic dynamical system to generate a sequence of pseudo-random bytes, then applies certain... Viac o knihe
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O knihe
A new encryption scheme using dynamical 8 × 8 S-box, based on the composition of chaotic maps, is proposed. In this method, the dynamical S-box, one first uses a known chaotic dynamical system to generate a sequence of pseudo-random bytes, then applies certain permutations to them, using the discretized version of another two dimensional chaotic map. A sequence of pseudo-random bytes generated from two dimensional cat map is used to index the entry of the S-box. The output 8 bits (0-255) of the S-box are XOR-ed with the plaintext to obtain the ciphertext and XOR-ed with the ciphertext to obtain the plaintext. Standard statistical tests of this scheme are performed. We show that this new scheme can generate usable pseudo-random numbers, while maintaining a large enough keyspace for potential use in encryptions.
- Vydavateľstvo: LAP LAMBERT Academic Publishing
- Rok vydania: 2012
- Formát: Paperback
- Rozmer: 220 x 150 mm
- Jazyk: Anglický jazyk
- ISBN: 9783848484904
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