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The chaotic cryptosystems are widely researched in the scientific and technical fields. But the dynamical degradation is a hindrance to digital chaotic maps. In this paper, we present a detailed statistical analysis of the mixed chaotic series based on the logistic map and Fibonacci sequence, which convert the value of the logistic map into the integer number by Fibonacci sequence. The experimental...
The multicore structure has been mainstreamed. The paper introduces a parallel chaos-based encryption approach in order to take advantage of the multicore processor. The chaotic cryptosystem is based on the logistic map. The parallel algorithm is designed with the shared memory model of the OpenMP. The experimental results show that the chaotic cryptosystem demonstrates the good statistical properties,...
In this paper, iteration method of logistic map with low positions is introduced in order to investigate property of logistic map. Basic structure of logistic map is proposed, which consists of common gene positions (CGPs) and individual gene positions (IGPs). CGPs have the same value of corresponding positions which transferred from previous numerical solutions. The ergodicity and long-term unpredictability...
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