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Message-ID: <062f0ce81b677df1bfebbd1811a25330@smtp.hushmail.com>
Date: Thu, 14 May 2015 02:32:37 +0200
From: magnum <john.magnum@...hmail.com>
To: john-users@...ts.openwall.com
Subject: Re: Advise on best approach (truecrypt pw based on pdf
file)
On 2015-05-13 23:19, Demian Smith wrote:
> still working on my truecrypt hash - in the meantime I have converted
> all pdfs in a folder to txt and created the "first letter only" candidates.
>
> I am currently running the truncate rule that magnum thankfully provided
> me with on the wordlist (>[4-9A-Z]'\0 )
>
> As this had not been succesful yet even though I assume the correct pdf
> had been used I was wondering could a rule be written to do the
> "opposite" of truncate?
>
> So instead of truncating
> Abcdefgeh to Abcd | Abc | Ab it would start from the back and
> "truncates" to fgeh | geh | ge instead. I hope by doing so I fetch out
> the stuff I have not tested as yet, in case I started at some random
> spot in the sentence...
Here's a shot from the hip. I half heartedly tossed things together and
it (seemingly) started working much sooner than I expected:
[List.Rules:substring]
>[4-9A-Z] val\0 Xal0 '\0 >[3-9A-Y]'\p[4-9A-Z]
The above expands to 1024 rules. It appears to produce all combinations
of min. length 4 except the full original word. I did not test it other
than the below:
$ ../run/john -pipe -rules:substring -stdout <<< Abcdefgh
efgh
defg
defgh
cdef
cdefg
cdefgh
bcde
bcdef
bcdefg
bcdefgh
magnum
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