CCC-NSG : A Security Enhancement of the Bluetooth E₀ Cipher using a Circular-Clock-Controlled Nonlinear Algorithm 


Vol. 34,  No. 7, pp. 640-648, Jul.  2009


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  Abstract

Summation generator with high period and high linear complexity can be easily implemented by a simple hardware or software and it is proper to apply in mobile security system for ubiquitous environments. However the generator has been some weaknesses from Dawson's divided-and-conquer attack, Golic's correlation attack and Meier's fast correlation attack. In this paper, we propose an improved version(2128 security level) of E?algorithm, CCC-NSG (Circular-Clock-Controlled - Nonlinear Summation Generator), which partially replaces LFSRs with nonlinear FSRs and controls the irregular clock to reinforce it's own weaknesses. Finally, we analyze our proposed design in terms of security and performance.

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  Cite this article

[IEEE Style]

H. Kim, H. Lee, S. Moon, "CCC-NSG : A Security Enhancement of the Bluetooth E₀ Cipher using a Circular-Clock-Controlled Nonlinear Algorithm," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 7, pp. 640-648, 2009. DOI: .

[ACM Style]

Hyeong-rag Kim, Hoon-jae Lee, and Sang-jae Moon. 2009. CCC-NSG : A Security Enhancement of the Bluetooth E₀ Cipher using a Circular-Clock-Controlled Nonlinear Algorithm. The Journal of Korean Institute of Communications and Information Sciences, 34, 7, (2009), 640-648. DOI: .

[KICS Style]

Hyeong-rag Kim, Hoon-jae Lee, Sang-jae Moon, "CCC-NSG : A Security Enhancement of the Bluetooth E₀ Cipher using a Circular-Clock-Controlled Nonlinear Algorithm," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 7, pp. 640-648, 7. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880