Abstract
Network coding has shown a considerable improvement in terms of capacity and robustness compared to traditional store-and-forward transmission paradigm. However, since the intermediate nodes in network coding-enabled networks have the ability to change the packets en route, network coding-enabled networks are vulnerable to pollution attacks where a small number of polluted messages can corrupt bunches of legitimate messages. Recently, research effort has been put on schemes for protecting the transmitted messages against data pollution attacks. However, most of them cannot resist tag pollution attacks. This paper presents a new homomorphic MAC-based scheme, called Dual-Homomorphic MAC (Dual-HMAC), for network coding-enabled wireless sensor networks. The proposed scheme makes use of two types of tags (i.e., MACs and D-MACs) to provide resistance against data pollution attacks and partially tag pollution attacks. Furthermore, our proposed scheme presents low communication overhead and low computational complexity compared to other existing schemes.
Highlights
Wireless sensor networks (WSNs) have been recently used in a plethora of applications of many different areas, such as surveillance monitoring, environmental monitoring, traffic control, natural disaster prevention, and e-health
We propose a new homomorphic MACbased scheme, called Dual-Homomorphic MAC (DualHMAC), for network coding (NC)-enabled WSNs, in order to mitigate both data pollution attacks and partially tag pollution attacks
Kehdi and Baochun [19] presented a homomorphic MAC scheme to detect pollution attacks based on the subspace properties of random linear network coding, where null keys for verification are used
Summary
Wireless sensor networks (WSNs) have been recently used in a plethora of applications of many different areas, such as surveillance monitoring, environmental monitoring, traffic control, natural disaster prevention, and e-health. Several cryptographic schemes such as homomorphic hash functions, signatures, and MACs have been presented to secure network coding against data and tag pollution attacks (e.g., [8, 9]). This piece of information is the output of a MAC function taking as inputs the message packet and a secret key This solution is vulnerable to tag pollution attacks. We propose a new homomorphic MACbased scheme, called Dual-Homomorphic MAC (DualHMAC), for NC-enabled WSNs, in order to mitigate both data pollution attacks and partially tag pollution attacks.
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