Indian Journal of Science and Technology

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Objectives: The Cyber-Physical System (CPS) is an integral part of modern society as most smart infrastructures are controlled by these systems. Two critically important aspects of these systems are safety and security. Confidentiality and privacy of the stored data in CPS have become a major challenge in these systems. In this paper we introduce an innovative cryptographic algorithm- FlipCryp which overcomes these challenges. Methods/Statistical Analysis: The existing encryption algorithms are well suited for text data. Since CPS contain the high volume of real-time data, classical encryption techniques are not appropriate, because most of real time data are served via the network, the encryption and decryption techniques have to take minimal time to achieve acceptable end-to-end delay. Findings: FlipCryp is an innovative idea of encryption and decryption which uses two keys for the process- the Flip key and the Cryp Key. Applications/ Improvement: The CPS systems have a human in loop, so privacy is a major concern. The proposed FlipCryp algorithm is well suited for real-time data of critical and smart infrastructures which provide high confidentiality and privacy.

Keywords

Cryp Key, Cyber Physical System (CPS), FlipCryp, Flip Key.
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