Re: Small vulnerability in Canadian Pay Pal Secret Question

[Rob Adams <rob () ebeep org>]

j tole wrote, in part:

> One of the [Paypal] secret questions you can select when
> setting up your pay pal account is to enter the last 4
> digits of your drivers license. The problem here, is
> that the last 4 digits of most any canadian drivers
> license are the month and day that you were born. For
> example of the last 7 digits of my drivers license
> were 8-40726 then I would be born on july 26th, 1984.
>
> J. Tole a.k.a. ph1zzle
> jtole2003 () yahoo com
>  

For what it is worth, here in Illinois the last five digits encode your 
year and date of birth, and gender (the first seven encode your name). 
For example, a male, born 5/5/1963 would have a license that ends:
   63129

See http://www.highprogrammer.com/alan/numbers/dl_us_shared.html for 
details.

Rob Adams


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