Download Security in Computing and Communications: Second by Jaime Lloret Mauri, Sabu M. Thampi, Danda B. Rawat, Di Jin PDF
By Jaime Lloret Mauri, Sabu M. Thampi, Danda B. Rawat, Di Jin
This booklet constitutes the refereed complaints of the foreign Symposium on protection in Computing and Communications, SSCC 2014, held in Delhi, India, in September 2013. The 36 revised complete papers awarded including 12 work-in-progress papers have been conscientiously reviewed and chosen from 132 submissions. The papers are geared up in topical sections on protection and privateness in networked platforms; authentication and entry regulate platforms; encryption and cryptography; method and community protection; work-in-progress.
Read Online or Download Security in Computing and Communications: Second International Symposium, SSCC 2014, Delhi, India, September 24-27, 2014. Proceedings PDF
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Additional info for Security in Computing and Communications: Second International Symposium, SSCC 2014, Delhi, India, September 24-27, 2014. Proceedings
Example text
It is also assumed that even if a node gets compromised the global key is not revealed to the attacker. 4. Each node is preconfigured with a hash function F(x), an initial one-way hash chain number S0 generated by the base station and a set of elliptic curves for the purpose of key generation. They agree upon all the domain parameters of the elliptic curves, with the base station for the purpose of ECDH [7] key exchange. It is assumed that the adversary can pose the following attacks in the SHRP network model: • • • • • • 4 A malicious node can launch a flooding attack by broadcasting request messages to the nodes of the network.
Phases in localization. (a) Requesting phase. (b) Ranging phase. (c) Localization phase. of beacon nodes. The node that wants to get localized requests its neighbouring beacon nodes for assistance and identifies its location by employing certain localization algorithms. 1 Phases in Localization A mobile node needs to undergo three phases in order to get its location coordinates. The phases are as follows: Requesting Phase: Whenever a mobile node wants to update its new location, it commences with a requesting phase, where it searches for neighbouring beacon nodes.
4a shows a typical example of how TDoA works with a mobile node. The differences in the arrival of signals at different receivers are calculated by a central sever which has a TDoA equipment, to identify the distance. Estimation of distance using TDoA is as follows [9]: δdi,j = h(x, t, D) D= (Yi − Yj )2 + (Xi − Xj )2 x cos(α) sin(α) = −sin(α) cos(α) y α = arctan X − X0 Y − Y0 Yi − Yj Xi − Xj Angle of Arrival: Angle of Arrival (AoA) [6], [7] is the angle between the received signal to some reference direction.