On Fri, Aug 12, 2016 at 2:17 PM, Jim Birch <[email protected]> wrote:

> Roger Clarke wrote:
>
> 1.  The association between the 12-digit number and the dwelling-address
> >     may have been systematically assigned rather than purely random
> >
>
> Would anyone with any idea of security actually do that?  It seems
> completely incredible to me.  Like, why have a number at all?
>
>
I believe the last digit of the 12 digits is a check digit (much like a
credit card number), which narrows the space further.
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