| Dynamically Reconfigurable Encryption System of the AES |
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| 作者姓名： | WANG Youren WANG Li YAO Rui ZHANG Zhai CUI Jiang |
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| 作者单位： | College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, Jiangsu, China |
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| 摘 要： | 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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| 关 键 词： | FPGA AES 密钥 密码分析 |
| 文章编号： | 1007-1202（2006）06-1569-04 |
| 收稿时间： | 2006-05-28 |
Dynamically reconfigurable encryption system of the AES |
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| WANG Youren WANG Li YAO Rui ZHANG Zhai CUI Jiang.Dynamically Reconfigurable Encryption System of the AES[J].Wuhan University Journal of Natural Sciences,2006,11(6):1569-1572. |
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| Authors: | Wang Youren Wang Li Yao Rui Zhang Zhai Cui Jiang |
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| Institution: | (1) College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, 210016 Nanjing, Jiangsu, China |
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| 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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| Keywords: | dynamically reconfigurable hardware field programmable gate array (FPGA) advanced encryption standard (AES) algorithm cipher key |
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