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The 2012 UCSD paper [1] claims they observed 5.73 bits of entropy in their admittedly non-representative population.

As with everything, it depends on the user's threat model. In a court setting, it'd depend on how individual pieces of evidence stack up against a user to make them look bad, and whether there is enough reasonable doubt.

[1] https://cseweb.ucsd.edu/~hovav/papers/ms12.html




That's less than picking one character randomly from a keyboard. Seems pretty small to me.

    >>> import math
    >>> print math.log(95) / math.log(2)
    6.56


ObGolf:

>>> print math.log(95, 2) 6.56985560833




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