The invention relates to a generator (2) of chaotic sequences of numbers of integer values represented on a predetermined number of bits, said sequences being intended to be used in particular in key-based information encryption systems, said generator comprising a number m of means (4, 6, 8, 10) for implementing non-linear functions. The generator comprises, at the output of said means (4, 6, 8, 10) for implementing non-linear functions, means (20) for combining able to combine the outputs of said means (4, 6, 8, 10) of implementing non-linear functions by applying a given binary diffusion matrix, making it possible to obtain a number m of outputs, each output being calculated by a binary combination of the outputs of said means (4, 6, 8, 10) of implementation of non-linear functions.
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