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Date: Sat, 14 May 2011 12:58:56 -0500
From: "JimF" <jfoug@....net>
To: <john-dev@...ts.openwall.com>
Subject: Re: Changes to john's unique program.

NOTE,

The code presented has been used by me for quite a while (building and 
maintaining wordlists I use).  I made comment about this a few months back, 
when Solar listed improving the speed of unique.  However, the addictions 
of -cut=num, -cut=LM and -mem are recent changes (only over the last couple 
of days).    The -imp=, -ex_file= and -ex_file_only have been used a lot.  I 
KNOW they work well.    The -cut=num and -cut=LM should be pretty trivial, 
and I think should work just fine.

The -mem= is new.  I know on the mem, it can crash a run, if the -mem size 
selected is too large.  The 'assumptions' I have taken on mem, is that 
1<<num is the size of the hash table (exactly the same as in params.h), and 
that the buffer size is (1<<num)*64 which is the same as in params.h when 
num==20.

Jim.

----- Original Message ----- 
From: "JimF" Sent: Saturday, May 14, 2011 12:38 PM


> I have placed a patch to the unique.c (unique program)  This patch can be 
> placed over 1.7.7-jumbo1 (or the jumbo-2-rc1).  It adds this to unique:

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