Data Aggregation Integrity Based on Homomorphic Primitives in Sensor Networks

Designing message integrity schemes for data aggregation is an imperative problem for securing wireless sensor networks. In this paper, we propose three secure aggregation schemes that provide provably secure message integrity with different trade-offs between computation cost, communication payload, and security assumptions. The first one is a homomorphic MAC, which is a purely symmetric approach, and is the most computation- and communication-efficient, but requires all datacollecting nodes to share one global key with the base station. The other two make use of (public key based) homomorphic hashing, combined with aggregate MAC and identity-based aggregate signature (IBAS) respectively. The scheme with aggregate MAC allows the base station to share a distinct key with every node, while the scheme with a paring-based IBAS enables all intermediate nodes beside the base station to verify the authenticity of aggregated messages.

• Type: Conference
• Year: 2010
• Where: ADHOCNOW
• Authors: Zhijun Li, Guang Gong
• Keywords: ADHOCNOW 2010, Aggregate Mac, Base Station, Computer Networks, Message Integrity