Abstract

In this paper, a hash generation scheme by exploring the complex dynamics of nonlinear system is proposed. The security of anticipated hashing scheme has been complemented by exploring the complex dynamics of 4D bounded nonlinear system exhibiting hyperchaotic nature, the strength of generated hashes is proven using statistical analysis. The proposed scheme is testified to possess characteristics of a hash function such as sensitivity to initial parameters and message, one-way property, uniform distribution of hashes, and resistance to attacks. The scheme is robust, flexible and efficient for usages in real world cryptographic scenarios. Although, performance tests have been performed for 128-bit hash but the scheme can practically be employed in any standard network security protocols for generating hashes of any desired length.

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