Date: Tue, 10 Jan 2012 14:07:54 +0530 From: Dhiru Kholia <dhiru.kholia@...il.com> To: john-users@...ts.openwall.com Subject: Re: official JtR or jumbo for RAR? On Tue, Jan 10, 2012 at 11:36 AM, Chuck Kahn <chuck.kahn@...t-in-toronto.on.ca> wrote: > Which will work faster at cracking RAR passwords -- the official JtR or > jumbo? Official JtR doesn't have support for cracking RAR files in-built. > $ /usr/local/Cellar/john/john-1.7.9-jumbo-5/run/john --format=rar >> --incremental:all testabc.rar >> No password hashes loaded (see FAQ) > The FAQ doesn't provide detail on how to use "--format=rar" for jumbo JtR. > How do I proceed with jumbo and RAR? If you are using jumbo then first run rar2john tool on your RAR files rar2john testabc.rar > rardump Then run john on the generated rardump file. john --format=rar rardump Using jumbo should be faster than your shell script. However cracking RAR files is extremely slow in general. -- Cheers, Dhiru
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