Date: Fri, 7 Jul 2017 15:34:46 +0530 From: Dhiru Kholia <dhiru.kholia@...il.com> To: john-users@...ts.openwall.com Subject: Re: gpg2john working for symmetric encryption? On Thu, Jul 06, 2017 at 11:37:53PM +0800, noir maru wrote: > I have been using a fresh clone from git today, so it is definitely > the most up to date version. > > Here are my results from the same commands as you: > > $ gpg -c --cipher-algo cast5 -o file.gpg < /bin/bash > $ ./gpg2john file.gpg > pw-gpg-cast5 > [gpg2john] MDC is misssing, expect false positives! > unknown(pub 133) > unknown version (17). These two "unknown" messages indicate a parsing problem in gpg2john. The generated hash is likely broken, and won't be cracked by JtR. This problem is being tracked at, https://github.com/magnumripper/JohnTheRipper/issues/2616 This URL also has a patch for gpg2john, which should fix this parsing problem. Give it a try, and do report back your results. -- Dhiru
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