KEYWORDS: Image encryption, Image processing, Information security, Complex systems, Information technology, Data conversion, Multimedia, Chaos, Data communications, Multimedia encryption
In this paper, we propose a parallel chaos-based encryption scheme in order to take advantage of the dual-core
processor. The chaos-based cryptosystem is combinatorially generated by the logistic map and Fibonacci sequence.
Fibonacci sequence is employed to convert the value of the logistic map to integer data. The parallel algorithm is
designed with a master/slave communication model with the Message Passing Interface (MPI). The experimental results
show that chaotic cryptosystem possesses good statistical properties, and the parallel algorithm provides more enhanced
performance against the serial version of the algorithm. It is suitable for encryption/decryption large sensitive data or
multimedia.
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