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Message-ID: <084661b1d9a26005cb7c279a22dc7912@smtp.hushmail.com> Date: Fri, 09 Mar 2012 18:47:53 +0100 From: magnum <john.magnum@...hmail.com> To: john-users@...ts.openwall.com Subject: Re: Strange raw-md5 question On 03/09/2012 09:10 AM, pierzi wrote: > I'm trying to find out how to crack passwords like those: > > test:ba3fce11d01be92998a127e0666621a4:c0 --> test:c0password > It's a raw-md5+2bytes salt > > I've been trying to edit dynamic_1008 in dynamic.conf: > Saltlen=2 > > and change input data to: > test:ba3fce11d01be92998a127e0666621a4$c0 > and run it with: > john-omp -format=dynamic -subformat=dynamic_1008 crypt.txt > but John doesn't accept this format... > > I'm using 1.7.9 jumbo5 win32 compilation You were close :) Try dynamic_1009 instead. dynamic_1008 is md5(password.salt) while dynamic_1009 is md5(salt.password) which is what you want. You don't have to modify it, it works as-is. magnum
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