BERBAIN Come

Title: Algebraic attacks on NFSR

Abstract:
Algebraic attacks have been extensively studied against LFSR based ciphers and especially against filtered LFSR or against combination of LFSRs. In this talk we will show that it is possible to extend algebraic attacks and fast algebraic attacks on certain types of Non Linear Feedback Shift Register and on combinations of NFSR and LFSRs. This allows us to draw new rules for designing stream ciphers with NFSR.
berbain_nfsr.pdf


(C) 2007 University of Luxembourg

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