An efficient broadcast encryption scheme for wireless sensor network

Authors:
Yanli Chen;Geng Yang;Yanli Chen
Affiliations:
College of Computer Sciences & Technology, Nanjing University of Posts & Telecommunications, Nanjing, China;College of Computer Sciences & Technology, Nanjing University of Posts & Telecommunications, Nanjing, China;Key Lab of Network Security and Cryptology, Fujian Normal University, FuZhou, China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

It is a significant challenge to find out suitable cryptography for wireless sensor networks owing to limitations of power, computation capability and storage resources. Many schemes based on public or symmetric key cryptography are investigated. This paper proposes a new broadcast encryption scheme, which can be used for key distribution or directly broadcasting message. The scheme is suitable for typical type of networks. We review identity-based encryption and attribute-based encryption first. Then we describe a key agreement and encryption scheme based on them. We discuss the efficiency and security of our scheme by comparing with traditional public key technique and symmetric key technique.