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Algebraic attack on Filter-Combiner model keystream generators

✍ Scribed by Wu Zhi-ping; Ye Ding-feng; Ma Wei-ju

Publisher
Wuhan University
Year
2005
Tongue
English
Weight
347 KB
Volume
10
Category
Article
ISSN
1007-1202

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πŸ“œ SIMILAR VOLUMES

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We propose a linear attack on random generators by a nonlinear combiner. This attack assumes that the attacker knows the nonlinear function f(Γ—) and generator polynomials of the LFSR in the random generator. It estimates the initial value of the LFSR from the tapped bits. The linear attack is as fol