GROUP SECRET KEY GENERATION FOR WIRELESS NETWORK

Authors

  • Rahul Kumar

DOI:

https://doi.org/10.20894/IJMSR.117.009.001.031

Keywords:

Physical layer, wireless channel, group key generation, multi segment scheme, Onetime pad.

Abstract

This paper by exploiting physical layer characteristics of wireless channel investigates group secret key generation problem for different types of wireless network. A new group key generation strategy with low complexity is proposed, which combines point to point pair-wise key generation technique, the multi-segment scheme and the onetime pad. This group key generation technique works for three types of communication networks: the three node network, the multi node ring and multi node mesh network. For these communication networks three group key generation algorithms are developed, the first two algorithms yield optimal group key rates while the third algorithm gives the optimal multiplexing gain. We address the time allocation problem in the channel estimation step to maximize the group key rate. A series of geometric programming, and a single condensation method based iterative algorithm is proposed in order to solve the non-convex max min problem. To validate the performance of the proposed key generation algorithm and the time allocation problem the numerical results are also been provided.

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Author Biography

Rahul Kumar

Department of Computer Science Engineering, SRM University, Ramapuram, Chennai – 89.

References

[1] C.Shannon, "Commuication theory of secrecy systems." Bell System Technical Journal, vol- 28, no 4,pp 656-715,1949.

[2] A.Wyner, "The wire-tap channel," Bell System Technical Journal, vol,54, no.8 pp 1355-1387, Jan 1975.

[3] Y.Liang,H.V.Poor, and S.Shamai, "Secure communication over fading channel," IEEE Transactions on Information theory , vol 54,no.6, pp. 2470-2492,2008.

[4] P.K.Gopala,L.Lai, abd H. EL Gamal,"On the secrecy capacity of fading channels." IEEE Transactions on Information Theory, vol.54, no.10,pp 4687-4698,2008.

[5] P.Xu,Z.Ding,X. Dai, and K. Leung, " A general framework of wiretap channel with helping interference and state information "IEEE Transactions on Information Forensics and Security, vol,9,no.2, pp. 182-195, Feb 2014.

[6] D. Tse and P.Viswanath, Fundamentals of wireless communication Cambridge university press 2005.

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Published

2017-03-27

Issue

Vol. 9 No. 1 (2017)

Section

Articles

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