john-users - Enhancement of extern:double (Jumbo only)

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Date: Fri, 13 Apr 2012 12:21:56 -0500
From: "jfoug" <jfoug@....net>
To: <john-users@...ts.openwall.com>
Subject: Enhancement of extern:double  (Jumbo only)

I have enhanced the -extern:double methods.   This is only compatible with
john-jumbo builds (possibly only with the current bleeding edge jumbo).
This is due to jumbo / core john having different capabilities within the
john.conf processing.   The code used uses the .include "section" to build a
base extern class, and then derive from it.

I have changed double from only doing alpha data, into a extern that can do
any of these 3 character sets:

alpha (current default, a-z) 

alnum (a-z0-9) 

all  (space to tilde)

The 'base' type was changed to allow this.  I then built double_alnum,
double_all, and double10_num.  Thus double_all will do 1 to 4 character (2
to 8 final) doubling, but it will do with with all permutations from a space
char, to that tilde.

I am posting this here, along with getting it into the git version control
system for john.

Jim.

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