A Survey of Secure - A Survey of Secure Wireless Ad Hoc...

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    A Survey of Secure Wireless Ad Hoc Routing Article by: YIH-CHUN HU, ADRIAN PERRIG IEEE Security and Privacy special issue on Making Wireless Work, 2(3):28-39, 2004. Presented by: Devendra Salvi 04-17-2007
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    Multihop Ad Hoc network Access Point Network boundary Ad Hoc N/W
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    Outline Attacks on Ad hoc networks Key setup in Ad hoc networks SEAD in mobile wireless Ad Hoc network A secure on-demand routing protocol for ad hoc networks Securing AODV Review Questions
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    Attacks on Ad hoc networks Attacks on ad hoc network routing protocols are mainly Routing disruption attack Wherein the attacker causes legitimate data packets to be routed in dysfunctional ways. Resource consumption attack Wherein the attacker injects packets into the network to consume network resources such as bandwidth or to consume node resources such as memory/computational power.
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    Attacks on ad hoc network routing  protocols Routing disruption attack Insert forged routing packets Source Destination Blackhole / Grayhole Drop packets Shortest path
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    Attacks on ad hoc network routing  protocols Wormhole Node A Node B X’mission range of A X’mission range of B Intruder Node X Intruder Node X’ Records Traffic for network A & replays it in network B
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  Attacks on ad hoc network routing  protocols Solution for wormhole attacks Packet Leashes is keeping constraints on packet in either of two ways Temporal Temporal leashes rely on extremely precise time synchronization and timestamps in each packet. A packet’s travel time is approximated as the difference between the receive time and the timestamp. Geographical
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A Survey of Secure - A Survey of Secure Wireless Ad Hoc...

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