A Security Enhancement of the E0 Cipher Using Nonlinear Algorithm in Bluetooth System


The KIPS Transactions:PartC, Vol. 16, No. 3, pp. 357-362, Jun. 2009
10.3745/KIPSTC.2009.16.3.357,   PDF Download:

Abstract

Summation generator can be easily made as a simple hardware or software and it's period and linear complexity are very high. So it is appropriate to mobile security system for ubiquitous environment. But it showed us the weakness by Golic's correlation attack and Meier's fast correlation attack. In this paper, we proposed a Nonlinear Summation Generator(NSG), which is improved by using LFSR and NFSR(nonlinear feedback shift register), is different from algorithm which use only LFSR in summation generator. It enhanced nonlinearity and is hard to decipher even though the correlation attack or fast correlation attack. We also analyzed the security aspects and the performances for the proposed algorithm.


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Cite this article
[IEEE Style]
H. R. Kim, H. J. Lee, S. J. Moon, "A Security Enhancement of the E0 Cipher Using Nonlinear Algorithm in Bluetooth System," The KIPS Transactions:PartC, vol. 16, no. 3, pp. 357-362, 2009. DOI: 10.3745/KIPSTC.2009.16.3.357.

[ACM Style]
Hyeong Rag Kim, Hun Jae Lee, and Sang Jae Moon. 2009. A Security Enhancement of the E0 Cipher Using Nonlinear Algorithm in Bluetooth System. The KIPS Transactions:PartC, 16, 3, (2009), 357-362. DOI: 10.3745/KIPSTC.2009.16.3.357.