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A novel physical layer authenticated encryption protocol exploiting shared randomness

Saiki, C and Chorti, A (2015) A novel physical layer authenticated encryption protocol exploiting shared randomness. In: UNSPECIFIED, ? - ?.

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The topic of physical layer authenticated encryption using high rate key generation through shared randomness is investigated in this work. First, a physical layer secret key generation scheme is discussed exploiting channel reciprocity in wireless systems. In order to address the susceptibility of this scheme to active attacks, a novel physical layer authentication encryption protocol is presented along with its extension to multi-node networks in the presence of active adversaries. Secondly, in order to increase the key generation rate, a multi-level quantization algorithm with public feedback is discussed. It is demonstrated that the proposed scheme is superior to direct information distillation approaches and can substantially increase the key generation rates even at low and medium SNRs.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Published proceedings: 2015 IEEE Conference on Communications and NetworkSecurity, CNS 2015
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions: Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Depositing User: Jim Jamieson
Date Deposited: 15 Dec 2015 10:04
Last Modified: 30 Mar 2021 19:15

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