# Editing Scrambler

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Latest revision | Your text | ||

Line 23: | Line 23: | ||

def make_mask(*exp): | def make_mask(*exp): | ||

from functools import reduce | from functools import reduce | ||

return reduce(int.__xor__,map(lambda x:2**x,exp)),max(exp) | return reduce(int.__xor__,map(lambda x:2**x,exp)),max(exp)+1 | ||

mask,k = make_mask(5,3,0) # mask and length for p(x) = x^5 + x^3 + 1, a primitive polynomial in GF(2) | mask,k = make_mask(5,3,0) # mask and length for p(x) = x^5 + x^3 + 1, a primitive polynomial in GF(2) | ||