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FUZZY OBSERVER DESIGN WITH n-SHIFT MULTIPLE KEY FOR CRYPTOGRAPHY BASED ON 3D HYPERCHAOTIC OSCILLATOR | ||
| Iranian Journal of Fuzzy Systems | ||
| مقاله 3، دوره 3، شماره 2، دی 2006، صفحه 21-32 اصل مقاله (186.98 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22111/ijfs.2006.452 | ||
| نویسندگان | ||
| V. NATARAJAN* 1؛ P. KANAGASABAPATHY1؛ N. SELVAGANESAN2؛ P. NATARAJAN1 | ||
| 1DEPARTMENT OF INSTRUMENTATION ENGINEERING, MIT CAMPUS, ANNA UNIVERSITY, CHROMEPET, CHENNAL-600044, INDIA | ||
| 2DEPARTMENT OF EEE, PONDICHERRY ENGINEERING COLLEGE, PONDICHERRY- 605014, INDIA | ||
| چکیده | ||
| A fuzzy observer based scheme for synchronizing two hyperchaotic oscillators via a scalar transmitted signal for cryptographic application is proposed. The Takagi-Sugeno fuzzy model exactly represents chaotic systems. Based on the general fuzzy model, the fuzzy observer of a chaotic system is designed on the basis of the n-shift multiple state based key encryption algorithm. The scalar transmitted signal is designed in such a way that the hyperchaotic carrier masks the encrypted signal, which in turn hides the message signal. Simulation results show that the proposed scheme gives a better performance even when a small additive stochastic noise is present in the channel. | ||
| مراجع | ||
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