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Lightweight Mixcolumn Architecture for Advanced Encryption Standard

International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Year of Publication: 2016
K.J. Jegadish Kumar, R. Balasubramanian

Jegadish K J Kumar and R Balasubramanian. Article: Lightweight Mixcolumn Architecture for Advanced Encryption Standard. International Journal of Computer Applications 136(11):31-36, February 2016. Published by Foundation of Computer Science (FCS), NY, USA. BibTeX

	author = {K.J. Jegadish Kumar and R. Balasubramanian},
	title = {Article: Lightweight Mixcolumn Architecture for Advanced Encryption Standard},
	journal = {International Journal of Computer Applications},
	year = {2016},
	volume = {136},
	number = {11},
	pages = {31-36},
	month = {February},
	note = {Published by Foundation of Computer Science (FCS), NY, USA}


Lightweight cryptography is an interesting phenomenon that provides the perfect trade-off among security, higher throughput, low-power consumption, and compactness. Designing lightweight cryptography is a challenging issue. In this paper, Mixcolumn operation in the Advanced Encryption Standard (AES) is modified based on cellular automata functions. AES lacks compactness, but have good accessibility than the other algorithms. Security analysis like bent functions, Fast Walsh Transform method is followed to verify the security in modified AES algorithm. Hardware implementation of modified AES offers efficient memory space and area consumption. Comparative study of traditional mixcolumn architecture and Cellular automata based mixcolumn architecture are made through the hardware simulation in Xilinx, to show FPGA implementation of AES results as lightweight cipher, in terms of memory requirement.


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Lightweight cryptography, Mixcolumn, AES, cellular automata, security, area consumption, FPGA.