Re: Random Number Generator

["Leif Svalgaard" <leif@xxxxxxxx>]

From: <rob@dekko.com>
> 1)  What is z.digit(6)?  I saw nothing for a parameter. 

just the poor man's way of denoting the 6th digit of z


> Or was
> compute z = x * x
> supposed to be
> compute z = x * y

no take the square

> 
> compute x = 12345 + hh * 3600 + ss * 60 + mm
> is the same as
> x = 12345 + (hh * 3600) + (ss * 60) + mm
> lowest possible value would then be
> 01:01:01
> x = 12345 + (01 * 3600) + (01 * 60) + 01
> or 16006
> then 16006 * 16006 = 256,192,036
> highest possible value would then be
> 23:59:59
> x = 12345 + (23 * 3600) + (59 * 60) + 59
> or 98744
> then 98744 * 98744 = 9,750,377,536
> 
> Basically though, time of day is not really generally accepted practice.
> Frankly not enough randomness, and it tends to be stacked at time of most
> use.
> 

yes but taking the middle digits of the square is a pretty good randomizer
and for the purposes of selecting a random (I assume 4-digit) PIN, this is
good enough.



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