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Date: Sat, 14 Jul 2012 11:22:30 -0500
From: "jfoug" <>
To: <>
Subject: RE: prepare() and source() are in CVS

>From: Solar Designer []
>Jim, magnum, all -
>I've committed my changes introducing prepare() and source() format
>methods to CVS.  This is John version, which only exists as part
>of Owl-current right now.

Would have been nice to wait for a little peer review on this, but that's
your call.

>Please merge these into bleeding.
>I intend to proceed experimenting with further formats interface
>changes, but I wanted to eliminate these differences between core and
>jumbo first.
>Some of my further changes may be relevant to myrice's work on
>offloading hash comparisons and candidate password generation to GPU.
>Talking to myrice yesterday, I suggested basing such experimental trees
>on bleeding.  Since my further changes will initially be for core rather
>than bleeding, it might help myrice if bleeding's formats interface is
>more similar to core's.

I have followed along on some of these interface changes, and many seem very
good. Others, I simply do not know the 'why' or behind the scene need, so I
will simply watch them being used.

>BTW, bleeding currently lacks source() for LM hashes (I guess since this
>was a bit non-trivial to implement, requiring DES final permutation), 

That was exactly why.  LM would have been good, since there are some larger
lists, but I was uncomfortable with the complexity needed.

>merging the changes from core (which include this) will also be an
>improvement for bleeding.



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