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Lightweight Mixcolumn Architecture for Advanced Encryption Standard
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 136 - Number 11 |
| Year of Publication: 2016 |
| Authors: K.J. Jegadish Kumar, R. Balasubramanian |
10.5120/ijca2016908583
|
K.J. Jegadish Kumar, R. Balasubramanian . Lightweight Mixcolumn Architecture for Advanced Encryption Standard. International Journal of Computer Applications. 136, 11 ( February 2016), 31-36. DOI=10.5120/ijca2016908583
Abstract
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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