Abstract
It is possible now to implement algorithms that can be roughly comparable in reliability with absolutely stable cryptosystems. The Chua scheme is a dynamic chaos model has a complex behavior with general ease of implementation and is capable of operating over a wide range of values. So, it was chosen as a modeling object to use it to information security. This chaos generator gives a very high degree of unpredictability, close to truly random sequences. The result is practically not predictable regardless of the availability of information about the algorithm and parameters. The generated sequences of numbers, taking into account their unlimited length and uniqueness of combinations of values, are ideal from the point of view of their use as keys for data encryption by the cryptosystem. The scientific novelty of this study is the developed method of applying the mathematical model of the chaos generator “Chua scheme” as the main component of the hybrid cryptosystem. The chaos generator is used as a source of public and private keys of the asymmetric encryption algorithm and the key of the symmetric algorithm directly used for data encryption.
Published Version
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