Enhanced cryptography by multiple chaotic dynamics.
Chen, Jianyong, Zhou, Junwei, Wong, Kwok-Wo, Ji, Zhen (2011)
Mathematical Problems in Engineering
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Chen, Jianyong, Zhou, Junwei, Wong, Kwok-Wo, Ji, Zhen (2011)
Mathematical Problems in Engineering
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Computational & Mathematical Methods in Medicine
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Qian Fang, Ying Liu, Xiaoqun Zhao (2008)
Kybernetika
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Security mechanisms for wireless sensor networks (WSN) face a great challenge due to the restriction of their small sizes and limited energy. Hence, many protocols for WSN are not designed with the consideration of security. Chaotic cryptosystems have the advantages of high security and little cost of time and space, so this paper proposes a secure cluster routing protocol based on chaotic encryption as well as a conventional symmetric encryption scheme. First, a principal-subordinate...
Liu, Zonghua (2010)
Mathematical Problems in Engineering
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He, Jun, Qian, Haifeng, Zhou, Yuan, Li, Zhibin (2010)
Mathematical Problems in Engineering
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Yaoyao He, Jianzhong Zhou, Ning Lu, Hui Qin, Youlin Lu (2010)
Kybernetika
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Differential evolution algorithm combined with chaotic pattern search(DE-CPS) for global optimization is introduced to improve the performance of simple DE algorithm. Pattern search algorithm using chaotic variables instead of random variables is used to accelerate the convergence of solving the objective value. Experiments on 6 benchmark problems, including morbid Rosenbrock function, show that the novel hybrid algorithm is effective for nonlinear optimization problems in high dimensional...
Volodymyr Lynnyk, Sergej Čelikovský (2010)
Kybernetika
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In this paper, a modified version of the Chaos Shift Keying (CSK) scheme for secure encryption and decryption of data will be discussed. The classical CSK method determines the correct value of binary signal through checking which initially unsynchronized system is getting synchronized. On the contrary, the new anti-synchronization CSK (ACSK) scheme determines the wrong value of binary signal through checking which already synchronized system is loosing synchronization. The ACSK scheme...