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S-box (Substitution box) is one of the most important components in the block cipher. In this paper, the main indices to evaluate S-box are firstly introduced. Then an algorithm for obtaining cryptographical strong S-boxes based on chaotic neural network is proposed. The chaotic neural network used to design S-boxes is composed of two layers, which have sixteen and eight neurons, respectively. Owing...
S-box (Substitution box) is an important component in the block cipher. In this paper, a novel algorithm for generating S-box based on spatiotemporal chaos is proposed. Firstly, the performance indices of S-box are summarized. Then, the detailed method for constructing S-box is described. Finally, Simulation tests are done, which show that a set of S-boxes generated by our algorithm has high cryptographic...
S-box (substitution box) is one of the core components in the block cipher and plays an important role in the process of encrypting plaintext. In this paper, the performance indexes of S-box are summarized and analyzed. The corresponding numeric methods for calculating them are presented. Then, the software is developed, which can not only calculate the performance indexes of S-box but also find the...
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