QUESTION Icannot understang

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QUESTION Icannot understang

Post  huaxin19 on Fri Nov 12, 2010 7:55 pm

Evil or Very Mad Twisted Evil why to choose s15,s13,s10,s4 and s0 in LFSR,how does it work if we choose others

huaxin19
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It will work well if we choose others

Post  kknd on Sun Nov 14, 2010 6:41 am

huaxin19 wrote: Evil or Very Mad Twisted Evil why to choose s15,s13,s10,s4 and s0 in LFSR,how does it work if we choose others

I think it will work well if we choose other minimal polynomials. The only requirement is the polynomials should produce m-sequences. If we can redesign the cipher, we may shoose a polynomial with three terms. So we will save half of the running time in the LFSR part.

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