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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Apavatjrut, A. Znaidi, W. Fraboulet, A. Goursaud, C. Lauradoux, C. Minier, M. |
| Copyright Year | 2010 |
| Abstract | The recent advances in information theory and networking have significantly modified the way to disseminate data in wireless sensor networks (WSNs): aggregation, network coding or rateless codes. These new paradigms of dissemination create new threats for security such as pollution attacks. These attacks exploit the difficulty to protect data integrity in those contexts. In this paper, we consider the particular case of xor network coding. We compare the different strategies based on message authentication codes algorithms (MACs) to thwart these attacks. We emphasize the advantages of universal hash functions (UHFs) in terms of flexibility and efficiency. These schemes reduce the energy consumption by 42\% and 68\% (according to the used protocol) for the relaying nodes over those based on classical cryptographic primitives without any loss in security. The key feature of the UHFs considered here is their homomorphic property ($h(x_1 \oplus x_2)=h(x_1)\oplus h(x_2)$). These homomorphic MACs offer more possibilities for the relying nodes than the classical cryptographic ones: the detection time of a pollution attack can be adjusted to preserve the nodes energy. Moreover, they can be computed with the low resources of a sensor. |
| Starting Page | 223 |
| Ending Page | 230 |
| File Size | 348368 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781424484843 |
| DOI | 10.1109/NSS.2010.32 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-09-01 |
| Publisher Place | Australia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Algorithm design and analysis Wireless sensor networks Energy consumption Pollution Peer to peer computing Homomorphic MAC Network coding Universal hash functions Pollution attack Cryptography Xor network coding |
| Content Type | Text |
| Resource Type | Article |
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