An approach for secure data transmission in smart grids Online publication date: Tue, 07-Feb-2023
by Jagdish Chandra Pandey; Mala Kalra
International Journal of Information and Computer Security (IJICS), Vol. 20, No. 3/4, 2023
Abstract: Smart grids (SG) require data compression and encryption algorithms to communicate large amount of data in the secure way. However, existing algorithms are not appropriate for smart grid as they consume huge memory and take significant amount of execution time. Consequently, we explored other algorithms and choose the neighbourhood indexing sequence algorithm (NIS) for data compression and the PICO algorithm for cryptography. Further, PICO algorithm is enhanced in two ways. Firstly, random bits are generated and added to the plaintext to increase the block size that improves the security of the algorithm. The random bits are generated by hybrid of cuckoo search and genetic algorithm. Secondly, software optimisation algorithms namely loop unrolling and binary search algorithms are used to reduce execution time. The experimental results demonstrate the better performance of proposed algorithm EPICO over PICO in terms of memory consumption, execution time, correlation coefficient and avalanche effect.
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