Abstract

The 21st century has seen a significant increase in the usage of multimedia to transfer information. Algorithms used for the encryption of plain text are not suitable for multimedia encryption. This paper proposes a new and unique algorithm - Rubik’s cube scrambling with Bitplane shuffling and Frame rotation (RBF) for the encryption of coloured images. RBF is a symmetric key algorithm that takes two 128-bit key inputs from the user. The algorithm uses Rubik’s cube moves for generating scrambling sequences, followed by the shuffling of the bitplanes to generate the encrypted image. A distinctive frame rotation technique is applied to each of the bitplanes in the encryption process. The RBF algorithm is simple and straightforward to implement but produces satisfactory results. The algorithm is evaluated using a range of multimedia data. The paper also describes the various analysis tests and results of the algorithm in detail. Overall, the algorithm demonstrates its value for encrypting many types of multimedia data with practical applications.

Full Text
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