<div dir="ltr">Hi<br>Actually it is exponential<br><br>I.e.<br><br>first you have to try 0 as a fixed number and then the rest are variables ..etc then 01 as fixed and the rest are variables...I dont know the exact formula but I am sure you can google it<br>
<br>Regards<br><br><div class="gmail_quote">On Sun, Feb 14, 2010 at 8:05 PM, Nimal Gunarathna <span dir="ltr"><<a href="mailto:ng949@yahoo.com">ng949@yahoo.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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Hello Everyone, I have a question for you all?<div><br></div><div>1. If the password is made up of 4 numeric characters, how many attempts</div><div> needed for a successful brute force attack?</div><div><br></div><div>
A. 10000</div><div>B. 11110</div><div>C. 1024</div><div>D. 11100</div><div><br></div><div><b>What I think: </b></div><div>Every numeric character has 10 choices. Then 4 characters 10^4 = 10000 choices and</div><div>the answer should be A. But the right answer is B. How is that possible?</div>
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