On 30/07/2011 09:38 AM, Warp wrote:
> Invisible<voi### [at] devnull>  wrote:
>> Perhaps the surprising thing is that (say) a 6-character password
>> doesn't look all that secure, and yet an 12-character password appears
>> to be utterly unbreakable. Password security does not scale linearly
>> with password size. It scales exponentially.
>
>    Why does that surprise you?

Because humans generally don't understand the exponential function.

Actually, I suspect that a 12-character password is only unbreakable if 
it's 12 *random* characters. A "typical" 12-character password is 
probably totally breakable!

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*

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