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Date: Tue, 01 Nov 2011 22:16:35 +0100
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: md5_gen tagging
2011-11-01 20:24, jfoug wrote:
> This has now been changed in patch 0037. This was not a trivial change. Quite a bit had to be addressed.
>
> The new functionality, a format like raw-md5 (or dynamic_0) will detect any of these 'forms'
>
> $dynamic_0$HEX_32
> HEX_32
> md5_gen(0)HEX_32
>
> It will use any of those forms as input, .pot file data, etc. Also, either format (raw-md5 or dynamic_0) will output $dynamic_0$HEX_32 to the john.pot file (for newly found items).
>
>
> Note, there 'are' some side effects.
>
> 1. I had to re-order linkage of dynamic formats, ahead of any that use them (i.e. the #include was put after the dynamic linkage).
> 2. More input files will list 'multiple' possible format warning. Any input file with $dynamic_0$ $dynamic_6$ $dynamic_9$ $dynamic_17$ $dynamic_29$ will all list multiple formats, if no specific -format=XX line was used. This is due to the thin format, AND the dynamic format matching.
> 3. The thin formats required some changes, and some additional logic. Now, any format that has a 'more complex' line, than a straight hash, will have to have a split function added. This split is really thin. It simply calls the 'convert', and then calls the split function of dynamic (similar to C++ inheritance, which is how the 'thin' format has been modeled)
>
> This has been tested with the test suite. That helped flush out a lot of issues, that showed up, due to the changes. A lot of the problems were due to some global stuff in the dynamic format, AND the changes to john to 'show' the multiple/ambiguous formats which could also handle the input file.
>
> Jim.
Great! I'll try it out. Maybe we can find a way to mute the format
warnings in these cases.
magnum
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