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Crypto-Security Contribution in WSNs

Nourreddine Mitta1, Rachid Gouri1, Hlou Lamari1, and Brahim Moalige2
1. Laboratory of Electrical Genius & Energy Systems, Ibntofail University-Faculty of Science –Kénitra-Morocco
2. Moroccan Cryptography Association, Ibntofail University-Faculty of Science-Kénitra-Morrocco
Abstract—Securing a wireless communication has generally a vital importance, particularly when this communication is in a hostile environment like in wireless sensor networks (WSNs). The problem is how to create cryptographic keys between sensor nodes to ensure secure communications. Limited resources of sensor nodes make a public key cryptosystem such as RSA not feasible. So, most solutions rely on a symmetric cryptosystem. In this paper, we propose a new key mana-gement scheme based on symmetric cryptography which is well adapted to the specific properties of WSNs. The evalu-ation of our solution shows that it minimizes memory occupation, ensures scalability, and resists against the hardest attack: com-promised nodes.

Index Terms—WSN, PDKR, Sink, TinyPK, Tiny ECC, SKNP, SPINS, LEAP.  

Cite: Nourreddine Mitta, Rachid Gouri, Hlou Lamari, and Brahim Moalige, "Crypto-Security Contribution in WSNs," Journal of Emerging Technologies in Web Intelligence, Vol. 6, No. 1, pp. 32-39, February 2014. doi:10.4304/jetwi.6.1.32-39
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