Abstract

Bluetooth is a technology for connecting devices wirelessly to achieve data transfer at the rate of 720 kbps within a range of 10 to 100 meters. In existing authentication procedure for Bluetooth networks, four levels of key generation viz initialization key , combination key, link key, encryption key were incorporated. Bluetooth devices have limited resources, so we need a small authentication procedure. We proposed a new authentication scheme for Bluetooth networks. We presented enhancement in the authentication procedure of Bluetooth by using Diffie-Hellman Algorithm. This novel authentication procedure acts as the countermeasure against SNARF attack by the introduction of Diffie Hellman algorithm.

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