IMPLEMENTATION OF OBJECT ORIENTED ENCRYPTION SYSTEM USING LAYERED CELLULAR AUTOMATA

As the technology advances day by day, sharing of information through Internet is growing rapidly, which increases new information threats and vulnerabilities and hence the need to protect information to ensure its confidentiality, integrity, and authenticity require constant enhancements. Over the past two decades Cryptographic techniques are essential component of any secure digital communication. Cryptographic algorithms like DES, IDEA, AES etc., are proposed to provide high confidentiality, authenticity and integrity.With the rapid growth in the technologies, the processing speeds are increasing and as a result some of the algorithms are becoming obsolete and some require higher key lengths. In this paper a strong time efficient cryptosystem is proposed. A novel approach in cellular automata is used in which the plain text is arranged into layers of binary digital planes and then encrypted based on the rule set ofAutomata. This scheme exhibits strength by inheriting the na ve properties of Cellular Automata,unpredictability, homogeneity, parallelism and sensitivity to the initial conditions. The proposed scheme is analyzed for time efficiency and observed to possess better confusion and diffusion properties when compared with Advanced Encryption Standard (AES). This scheme has advantage, that it has variable key size and block size; depending on the size of the plain text chosen. Simulation results show that the proposed system is on par with AES