Abstract
Two-dimensional one-way coupled map lattices are used for cryptography wheremultiple space units produce chaotic outputs in parallel. One of the outputsplays the role of driving for synchronization of the decryption system whilethe others perform the function of information encoding. With thisseparation of functions the receiver can establish a self-checking andself-correction mechanism, and enjoys the advantages of both synchronous andself-synchronizing schemes. A comparison between the present system with thesystem of advanced encryption standard (AES) is presented in the aspect ofchannel noise influence. Numerical investigations show that our system ismuch stronger than AES against channel noise perturbations, and thus can bebetter used for secure communications with large channel noise.
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