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A parallel block-based encryption schema for digital images using reversible cellular automata
2014
Engineering Science and Technology, an International Journal
We propose a novel images encryption schema based on reversible one-dimensional cellular automata. Contrasting to the sequential operating mode of several existing approaches, the proposed one is fully parallelizable since the encryption/decryption tasks can be executed using multiple processes running independently for the same single image. The parallelization is made possible by defining a new RCAbased construction of an extended pseudorandom permutation that takes a nonce as a supplementary
doi:10.1016/j.jestch.2014.04.001
fatcat:u3pm7k5aavbl5fjkqisi2k6uii