Defense against collusion scheme based on elliptic curve cryptography for wireless sensor networks |
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Authors: | Hongbing Cheng Xiao Huang Geng Yang |
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Affiliation: | 1. Department of Information Engineering,Jiangsu City Vocation College,Nanjing 210017,China;College of Computer,Nanjing University of Posts & Telecommunications,Nanjing 210003,China 2. College of Computer,Nanjing University of Posts & Telecommunications,Nanjing 210003,China |
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Abstract: | Wireless Sensor Networks (WSNs) are being deployed for a wide variety of applications and the security problems of them have received considerable attention. Considering the limitations of power, computation capability and storage resources, this paper proposed an efficient defense against collusion scheme based on elliptic curve cryptography for wireless sensor networks in order to solve the problems that sensor node-key leaking and adversaries make compromised nodes as their collusions to launch new attack. In the proposed scheme, the group-key distribution strategy is employed to compute the private key of each sensor node, and the encryption and decryption algorithms are constructed based on Elliptic Curve Cryptography (ECC). The command center (node) only needs to broadcast a controlling header with three group elements, and the authorized sensor node can correctly recover the session key and use it to decrypt the broadcasting message. Analysis and proof of the proposed scheme's efficiency and security show that the proposed scheme can resist the k-collusion attack efficiently. |
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Keywords: | Wireless Sensor Networks (WSNs) Collusion Elliptic Curve Cryptography (ECC) Security |
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