Date: Mon, 22 Mar 2010 22:47:57 +0100 From: drobik <drobik.tn@...il.com> To: john-users@...ts.openwall.com Subject: Re: raw-md5 from unicode string >You need to start by defining the problem fully. If you do need to >embed NUL bytes, then you'll have to modify the source code for JtR (or >for a specific "format"). Maybe do it the way NTLM hashes are >implemented in the jumbo patch (they have to expand the string to UCS-2 >internally). I am sorry for partial definition of problem. I have MD5 hash computed from string, where is every character from plain-text password padded by NUL character (hex 00). So, string "password" (70 61 73 73 77 6F 72 64) is padded to "p a s s w o r d " (70 00 61 00-73 00 73 00-77 00 6F 00-72 00 64 00) and from this string is computed md5 hash - b081dbe85e1ec3ffc3d4e7d0227400cd. Thanks to W.A. for hint, I will try JtR with modified charset and if it will not work, then last way is modified source code of JtR. Robert
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