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Sensors 2014, 14(12), 24358-24380; doi:10.3390/s141224358

Improved One-Way Hash Chain and Revocation Polynomial-Based Self-Healing Group Key Distribution Schemes in Resource-Constrained Wireless Networks

1,2,* and 1
1
Department of Information Science & Electronic Engineering, Zhejiang University, Hangzhou 310027, China
2
Zhejiang Provincial Key Laboratory of Information Network Technology, Hangzhou 310027, China
*
Author to whom correspondence should be addressed.
Received: 12 October 2014 / Revised: 9 December 2014 / Accepted: 11 December 2014 / Published: 18 December 2014
(This article belongs to the Section Sensor Networks)
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Abstract

Self-healing group key distribution (SGKD) aims to deal with the key distribution problem over an unreliable wireless network. In this paper, we investigate the SGKD issue in resource-constrained wireless networks. We propose two improved SGKD schemes using the one-way hash chain (OHC) and the revocation polynomial (RP), the OHC&RP-SGKD schemes. In the proposed OHC&RP-SGKD schemes, by introducing the unique session identifier and binding the joining time with the capability of recovering previous session keys, the problem of the collusion attack between revoked users and new joined users in existing hash chain-based SGKD schemes is resolved. Moreover, novel methods for utilizing the one-way hash chain and constructing the personal secret, the revocation polynomial and the key updating broadcast packet are presented. Hence, the proposed OHC&RP-SGKD schemes eliminate the limitation of the maximum allowed number of revoked users on the maximum allowed number of sessions, increase the maximum allowed number of revoked/colluding users, and reduce the redundancy in the key updating broadcast packet. Performance analysis and simulation results show that the proposed OHC&RP-SGKD schemes are practical for resource-constrained wireless networks in bad environments, where a strong collusion attack resistance is required and many users could be revoked. View Full-Text
Keywords: wireless networks; group communication; group key distribution; self-healing; collusion attack wireless networks; group communication; group key distribution; self-healing; collusion 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. (CC BY 4.0).

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MDPI and ACS Style

Chen, H.; Xie, L. Improved One-Way Hash Chain and Revocation Polynomial-Based Self-Healing Group Key Distribution Schemes in Resource-Constrained Wireless Networks. Sensors 2014, 14, 24358-24380.

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