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November 26, 2010

Ravan: Distributed Hash Cracking in JavaScript

The guys over at Attack & Defence Labs have released Ravan, a distributed hash cracker the runs in JavaScript. Users can submit hashes to be cracked, and their browser will then begin brute forcing them based on a user-defined charset. Other users can contribute some CPU power to assist in the cracking process of individual hashes, it’s all handled by the server. This would work particularly well if you have multiple computers, or lots of friends willing to help out in the cracking process. Note that as this is brute force and not dictionary-based, it really comes down to how many hashes per second are being tried.

Current supported hash algorithms are MD5, SHA-1, SHA-256 and SHA-512.

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