A modified method of a class of recently presented cryptosystems |
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Authors: | Fangjun Huang Zhi-Hong Guan |
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Affiliation: | Department of Control Science and Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, PR China |
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Abstract: | In this paper, a modified method of a class of recently proposed cryptosystems is presented. As a remedy, the piecewise linear chaotic map (PLCM) which has a uniform distribution is adopted in our method. The experimental results demonstrate that the application of PLCM can not only ensure the feasibility but also promote the encryption speed of these cryptosystems. Moreover, a new design of dynamical look-up table is used as an efficient way to ensure the security of our cryptosystem. |
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