Monday, February 21, 2011

How to make a 4 digit PIN 24 times secure by adding just one Button

Think man, if Letters( Characters can be Upper case and Lowercase ) , why numbers can't be.

So if we have uppercase and lower case numbers we can have a very much more secure 4 digit pin?

I mean would it be 24 times more stronger?


Any body out there, with a mathemetical acumen?

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