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Received: 2007-12-07

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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.8 P.1111~1117


Improved Feistel-based ciphers for wireless sensor network security

Author(s):  Tamara PAZYNYUK, Jian-zhong LI, George S. OREKU

Affiliation(s):  Department of Computer Science and Engineering, Harbin Institute of Technology, Harbin 150006, China

Corresponding email(s):   tamara.mymail@gmail.com, lijzh@hit.edu.cn, gsoreku@yahoo.com

Key Words:  Security, Cipher, Wireless sensor network (WSN), Feistel scheme

Tamara PAZYNYUK, Jian-zhong LI, George S. OREKU. Improved Feistel-based ciphers for wireless sensor network security[J]. Journal of Zhejiang University Science A, 2008, 9(8): 1111~1117.

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A1 - Tamara PAZYNYUK
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A1 - George S. OREKU
J0 - Journal of Zhejiang University Science A
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DOI - 10.1631/jzus.A0720108

Wireless sensor networks (WSNs) are exposed to a variety of attacks. The quality and complexity of attacks are rising day by day. The proposed work aims at showing how the complexity of modern attacks is growing accordingly, leading to a similar rise in methods of resistance. Limitations in computational and battery power in sensor nodes are constraints on the diversity of security mechanisms. We must apply only suitable mechanisms to WSN where our approach was motivated by the application of an improved feistel scheme. The modified accelerated-cipher design uses data-dependent permutations, and can be used for fast hardware, firmware, software and WSN encryption systems. The approach presented showed that ciphers using this approach are less likely to suffer intrusion of differential cryptanalysis than currently used popular WSN ciphers like DES, Camellia and so on.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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