¹School of Software and Microelectronics Northwestern Polytechnical University,Xi‟an, Shannxi, 710072, P.R.China,Melbourne eResearch Group, The University of Melbourne, Barry St, PARKVILLE, Victoria 3010 Australia
²Melbourne eResearch Group, The University of Melbourne, Barry St, PARKVILLE, Victoria 3010 Australia

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Abstract—This paper is based on the combined application of chaotic and public key cryptosystems to support rapid cryptography algorithms, leveraging their individual advantages. To demonstrate this we designed a rapid knapsack public key algorithm [1] utilizing double sequences, which themselves use a sequence of random numbers generated from interference of Logistic [2] and Chebychev [3] chaotic mapping. We also designed a chaotic pseudo-random number generator while analyzing its characteristics and used it for the implementation of the algorithm. Through simulation and comparisons with related algorithms transversely and longitudinally, we have developed a cryptographic algorithm with higher efficiency and better security.

Index Terms—Cryptography, Public-key, Chaotic systems, Performance

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Cite: Yun-peng Zhang,Xia Lin, Qiang Wang, and Richard O. Sinnott "A Rapid Cryptography Algorithm Based on Chaos and Public Key," Journal of Software vol. 7, no. 4, pp. 856-860, 2012.