Journal
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS
Volume 51, Issue 10, Pages 557-560Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCSII.2004.834534
Keywords
adaptive systems; chaos synchronization; crypt-analysis
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In this brief, we present a novel adaptive method to synchronize with a partially known Lorenz chaotic system. The method exploits a novel expression of the Lorenz system to design a parameter identifier for its unknown parameter. We also apply the result to investigate the security of a cryptosystem previously proposed in the literature and show that the method can be used to eavesdrop on an encrypted communication channel. Numerical simulations are presented to illustrate the results.
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