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Post by sparkpowder on Mar 27, 2011 17:49:06 GMT
Your challenge is to crack the password to a .zip file. Hints:
The password contains numbers, lowercase letters, and uppercase letters.
The password contains 10 characters.
The first person to get it gets 800 Danballs and 100 Danballs for doing it within 2 months.
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Post by sparkpowder on Mar 27, 2011 17:50:09 GMT
File: Attachments:
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Post by kuraikiba on Mar 27, 2011 18:15:59 GMT
Um, you realize someone could use a keygen to crack it fast? It would be set to try all possible combinations with 10 characters.
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Post by Fringe Pioneer on Mar 27, 2011 18:42:21 GMT
(10 + 26 + 26)^10 = 62^10 = 839,299,365,868,340,224
There are nearly 839 quadrillion possible passwords that fit the specifications provided by Sparkpowder. Assuming a computer can run through 10,000,000 permutations per second, uses only bruteforce as opposed to opening with a dictionary attack, and knows for sure that there are only lowercase QWERTY keyboard letters, uppercase QWERTY keyboard letters, and decimal digits, it would take nearly 106 years to crack the password.
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Post by kuraikiba on Mar 27, 2011 21:39:29 GMT
Smartaleck. But consider that's assuming 10 megaflops. I'd attempt with a 1 gigaflop one. That narrows it to 1.06 years. A powerful desktop could do 10 gigaflops, .106 Years, less than needed. It's also bound to hit it before all possibilities exhaust.
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