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A fast chaotic cryptographic scheme with dynamic look-up table. (English) Zbl 0995.94029

Summary: We propose a fast chaotic cryptographic scheme based on iterating a logistic map. In particular, no random numbers need to be generated and the look-up table used in the cryptographic process is updated dynamically. Simulation results show that the proposed method leads to a substantial reduction in the encryption and decryption time. As a result, chaotic cryptography becomes more practical in the secure transmission of large multi-media files over public data communication network.

MSC:

94A60 Cryptography
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