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I'm studying about cracking password using brute force, and in my way I found softwares like John the Ripper and MDCrack, that works really nice, but are restricted to one machine.

There is some software that I can install on my LAN PCs, and distribute the work of cracking the password? OR some software that allow use that mentioned softwares in a distributed way?

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a commercial tool: – Tate Hansen Aug 26 '12 at 1:38
up vote 8 down vote accepted

John the Ripper supports parallelization. This uses OpenMP or MPI. All of this is open source.

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ELCOMSOFT is another option, but it's not free.

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