Clock-controlled key-stream generator and its
cryptographic properties

doi:10.1007/s11460-008-0014-6

Front. Electr. Electron. Eng.

0, Vol.

Issue () : 327-332 https://doi.org/10.1007/s11460-008-0014-6

Clock-controlled key-stream generator and its cryptographic properties

MA Weiju, FENG Dengguo

State Key Laboratory of Information Security, Graduate School of Chinese Academy of Sciences

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Abstract A new clock-controlled key-stream generator is proposed in this paper. The generator is composed of three shift registers: two clock-controlled linear feedback shift registers, A and B, and one clock-controlled nonlinear feedback shift register C. The clock-controlled information is from two bit strings of feedback shift register C. The times A and B shift are according to the Hamming weights of the two strings, respectively. The period, the linear complexity and the k error linear complexity of the key-stream generator are studied, and the security of it is analyzed.

Issue Date: 05 September 2008

Cite this article:

FENG Dengguo,MA Weiju. Clock-controlled key-stream generator and its cryptographic properties[J]. Front. Electr. Electron. Eng., 0, (): 327-332.

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https://academic.hep.com.cn/fee/EN/10.1007/s11460-008-0014-6
https://academic.hep.com.cn/fee/EN/Y0/V/I/327

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