Contiki - A Lightweight and Flexible Operating System for Tiny Networked Sensors
LCN '04 Proceedings of the 29th Annual IEEE International Conference on Local Computer Networks
Problem areas for the IP security protocols
SSYM'96 Proceedings of the 6th conference on USENIX Security Symposium, Focusing on Applications of Cryptography - Volume 6
COOJA/MSPSim: interoperability testing for wireless sensor networks
Proceedings of the 2nd International Conference on Simulation Tools and Techniques
Cryptography in theory and practice: the case of encryption in IPsec
EUROCRYPT'06 Proceedings of the 24th annual international conference on The Theory and Applications of Cryptographic Techniques
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The wide deployment of low-power and lossy networks (LLNs) connected to the Internet has raised many security concerns regarding the protection of data they handle and communicate. Such networks now face all sorts of security threats identified in traditional networks. However, solutions found in traditional networks cannot directly be adopted by LLNs, due to the inherent limited capabilities of the embedded systems that comprise them. This paper focuses on the security provided to LLN nodes using 6LoWPAN adaptation format, one of the predominant solutions adopted for communicating data over IEEE 802.15.4 networks. It proposes a compression format for IPsec, able to offer end-to-end security, that utilises AES-CCM* (CCM-Star), a variant of AES in Counter with CBC-MAC mode (AES-CCM), while considering the restrictions of the underlying IEEE 802.15.4 protocol. Compared to similar approaches, the proposed scheme features low packet overhead for providing both message authentication, integrity and confidentiality, while adhering to the latest standards.