Efficient Hierarchical Key Generation and Key Diffusion for Sensor Networks

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Author

Mohamed Shehab, Elisa Bertino and Arif Ghafoor

Tech report number

CERIAS TR 2005-66

Entry type

proceedings

Abstract

Sensor networks are designed with the assumption that nodes are willing to collaborate. However, the open collaboration of nodes introduces privacy and security issues. Therefore, ensuring privacy in wireless sensor networks is a challenging task. Based on a multilevel security paradigm, in this paper we present a hierarchical key generation and distribution protocol for wireless sensor networks. We show by simulation results that our key generation scheme outperforms the existing hierarchical key generation schemes thus it is suitable for sensor networks with limited computation and energy capabilities. Furthermore, we present an energy efficient key diffusion protocol. We also discuss the possible security threats involved with the proposed protocol and provide suitable solutions to such threats.

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Date

2005 – 09

Address

Santa Clara, California, USA

Booktitle

Second Annual IEEE Communications Society Conference on Sensor and Ad Hoc Communications and Networks (SECON 05)

Key alpha

shehab

Affiliation

Purdue University

Publication Date

2005-09-01

Coden

shehab

Keywords

Sensor Nets, Hierarchical Key Generation, One Way Hash Functions

Language

English

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@Proceedings{ shehab,
	title = "Efficient Hierarchical Key Generation and Key Diffusion for Sensor Networks",
	author = "Mohamed Shehab, Elisa Bertino and Arif Ghafoor",
	year = "2005",
	month = "09",
	address = "Santa Clara, California, USA",
	booktitle = "Second Annual IEEE Communications Society Conference on Sensor and Ad Hoc Communications and Networks (SECON 05)",
	abstract = "Sensor networks are designed with the assumption that nodes are willing to collaborate.  However, the open collaboration of nodes introduces privacy and security issues.  Therefore, ensuring privacy in wireless sensor networks is a challenging task.  Based on a multilevel security paradigm, in this paper we present a hierarchical key generation and distribution protocol for wireless sensor networks.  We show by simulation results that our key generation scheme outperforms the existing hierarchical key generation schemes thus it is suitable for sensor networks with limited computation and energy capabilities.  Furthermore, we present an energy efficient key diffusion protocol.  We also discuss the possible security threats involved with the proposed protocol and provide suitable solutions to such threats.",
	affiliation = "Purdue University",
	coden = "shehab",
	keywords = "Sensor Nets, Hierarchical Key Generation, One Way Hash Functions",
	language = "English",
}