A Composite Chaotic Sequence Generation Method

Aiming at the problems of weak attack resistance, insufficient complexity, monotonous generation, and narrow key space in generating chaotic sequences for low-dimensional chaotic mappings, we propose a novel composite chaotic sequence generation method, which combines Improved Logistic chaotic sequences, Chebyshev chaotic sequences and M-sequences. Through simulation studies, we evaluate the key properties of this composite chaotic sequence such as initial value sensitivity, complexity, balance and correlation. The results show that the sequence excels in initial value sensitivity and correlation, while exhibiting better balance and higher complexity.