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Wednesday, 10 August 2011

Guessing Passwords

Posted on 08:29 by hony
Normally I find XKCD hilarious and insightful, but I have to wonder at this one:

If his first password, "Tr0ub4dor&3" is from the ASCII character set, then he's actually got an 11 character password, which translates to 72 bits. Where he gets "28 bits" I do not know. 2^72 at 1000/guesses per second is 150 billion years to crack. What am I missing?


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