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Sensors 2011, 11(2), 1607-1619; doi:10.3390/s110201607
Article

Secure Chaotic Map Based Block Cryptosystem with Application to Camera Sensor Networks

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Received: 10 December 2010; in revised form: 10 January 2011 / Accepted: 15 January 2011 / Published: 27 January 2011
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Abstract: Recently, Wang et al. presented an efficient logistic map based block encryption system. The encryption system employs feedback ciphertext to achieve plaintext dependence of sub-keys. Unfortunately, we discovered that their scheme is unable to withstand key stream attack. To improve its security, this paper proposes a novel chaotic map based block cryptosystem. At the same time, a secure architecture for camera sensor network is constructed. The network comprises a set of inexpensive camera sensors to capture the images, a sink node equipped with sufficient computation and storage capabilities and a data processing server. The transmission security between the sink node and the server is gained by utilizing the improved cipher. Both theoretical analysis and simulation results indicate that the improved algorithm can overcome the flaws and maintain all the merits of the original cryptosystem. In addition, computational costs and efficiency of the proposed scheme are encouraging for the practical implementation in the real environment as well as camera sensor network.
Keywords: cryptography; camera sensor network; chaotic; key stream attack cryptography; camera sensor network; chaotic; key stream attack
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Guo, X.; Zhang, J.; Khan, M.K.; Alghathbar, K. Secure Chaotic Map Based Block Cryptosystem with Application to Camera Sensor Networks. Sensors 2011, 11, 1607-1619.

AMA Style

Guo X, Zhang J, Khan MK, Alghathbar K. Secure Chaotic Map Based Block Cryptosystem with Application to Camera Sensor Networks. Sensors. 2011; 11(2):1607-1619.

Chicago/Turabian Style

Guo, Xianfeng; Zhang, Jiashu; Khan, Muhammad Khurram; Alghathbar, Khaled. 2011. "Secure Chaotic Map Based Block Cryptosystem with Application to Camera Sensor Networks." Sensors 11, no. 2: 1607-1619.


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