Abstract
Reconfigurable computing has grown to become an important and large field of research, it offers advantages over traditional hardware and software implementations of computational algorithms. The Advanced Encryption Standard (AES) algorithm is widely applied in government department and commerce. This paper analyzed the AES algorithms with different cipher keys, adopted a novel key scheduler that generated the round key real—time, proposed a dynamically reconfigurable encryption system which supported the AES algorithm with different cipher keys, and designed the architecture of the reconfigurable system. The dynamically reconfigurable AES system had been realized on FPGA. The result proves that the reconfigurable AES system is flexible, lower cost and high security level.
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Foundation item: Supported by the National Natural Science Foundation of China (60374008)
Biography: WANG Youren (1963-), male, Professor, Ph. D., research direction: bio-inspired hardware, intelligent, testing and self-repairing of electronic equipments.
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Youren, W., Li, W., Rui, Y. et al. Dynamically reconfigurable encryption system of the AES. Wuhan Univ. J. Nat. Sci. 11, 1569–1572 (2006). https://doi.org/10.1007/BF02831822
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DOI: https://doi.org/10.1007/BF02831822
Key words
- dynamically reconfigurable hardware
- field programmable gate array (FPGA)
- advanced encryption standard (AES) algorithm
- cipher key