Key management system for WSNs based on hash functions and elliptic curve cryptography
Publish place: The first international conference of modern research engineers in electricity and computer
Publish Year: 1395
Type: Conference paper
Language: English
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Document National Code:
CBCONF01_0108
Index date: 6 September 2016
Key management system for WSNs based on hash functions and elliptic curve cryptography abstract
Due to hostile environment and wireless communication channel, security mechanisms are essential for wireless sensor networks (WSNs). Existence of a pair of shared key is a prerequisite for many of these security mechanisms; a task that key management system addresses. Recently, an energy efficient method based on public key cryptography (PKC) was proposed. We analyze this protocol and show that it is vulnerable to denial of service (DOS) attacks and adversary can exhaust memory and battery of nodes. Then, we analyze this protocol and show that using a more knowledgeable BS this vulnerability can be solved very efficiently. Based on this observation we propose a modified version of the protocol that achieves immediate authentication and can prevent DOS attacks. We show that the improved protocol achieves immediate authentication at the expense of 1.82 mj extra energy consumption while retaining other desirable characteristics of the basic method.
Key management system for WSNs based on hash functions and elliptic curve cryptography Keywords:
Key management system for WSNs based on hash functions and elliptic curve cryptography authors
Hamzeh Ghasemzadeh
Electrical Engineering Department Islamic Azad University of Damavand Tehran, Iran
Ali Payandeh
ICT Department Malek-e-Ashtar University Tehran, Iran
Mohammad Reza Aref
Electrical Engineering Department Sharif University of technology Tehran, Iran
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