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Is there any method other than brute force and dictionary attacks to break WPA and WPA2?

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closed as not a real question by Gilles, schroeder, Iszi, Jeff Ferland Jan 4 '13 at 6:16

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

    
Edited to focus on just the wireless question, as the RAR one is entirely unconnected –  Rory Alsop Jan 3 '13 at 19:53

2 Answers 2

Cracking WPA/WPA2 can be done pretty quickly using the aircrack-ng suite which conveniently come packaged with the Backtrack penetration testing live operating system. Take note that you will need a wireless card that has a compatible chipset.

There are plenty of articles on the internet on cracking WPA/WPA2 key but I've personally found that Youtube videos are the easiest to follow.

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Most approaches to attacking (good) encryption schemes rely on a degree of brute force. The trick is to reduce the number of attempts necessary to break it. Dictionary and Rainbow Table attacks are both brute force attacks that yield good results against insecure wireless passwords by attacking the handshake message in WPA and WPA2. I am not aware of any other attacks that are more efficient than these two.

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