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Date: Thu, 2 Aug 2012 10:26:34 -0500
From: "jfoug" <jfoug@....net>
To: <john-dev@...ts.openwall.com>
Subject: RE: Output for dynamic formats in --list=format-details (and --list=format-all-details
This change is now in magnum-jumbo (not in the J7-RC, I think it needs
better tested). I have NOT propogated this down to jumbo-bleeding.
This change adds a new hidden flag (and updates john.c 'hidden' output). The
flag is:
puts("--raw-always-valid=C if C is 'Y' or 'y', then the dynamic format
will");
puts(" always treat raw hashes as valid.");
I used a char, since we are out of bits. This also allows more power (as
explained soon).
Also, there is a john.conf option flag added.
# if set to Y then dynamic format will always work with raw hashes. Normally
# dynamic only uses raw hashes if a single dynamic type is selected with
# the -format= (so -format=dynamic_0 would use valid raw hashes).
DynamicAlwaysUseRawHashes = N
So if that is set to 'Y' then it will 'always' use this logic.
The way this works in dynamic is:
If (always_valid == 'Y') set to always do it.
Else if (always_valid != 'N' && option.bool(dynamicalways)==1) set to always
do it.
So, you can put DynamicAlwaysUseRawHashes=Y in john.conf, but still turn off
that behavior, using -raw-always=N
The --raw-always-valid uses the same 'bool' logic as in the config options
(true is Y y T t 1 false is N n F f 0). I simply convert true to Y and
false to N. So I have explicit values to check in the if logic.
Also in this patch, the format label has been changed from 'dynamic' to
'dynamic_xx' (xx replace by the dynamic number for the sub format). Yes,
the -format=dynamic no longer works, but that was a carry over, and not all
that important or used. Changing this removes several other problematic and
information limiting 'bugs' that have been there for a while.
Here is the patch, but it already is committed into magnum-jumbo
Jim.
>From: Frank Dittrich [mailto:frank_dittrich@...mail.com]
>
>There are some cases where I would love to see dynamic as well, e.g, if
>I am not sure I am using the right format, or if no hashes are loaded,
>but would be were dynamic included.
>
> .....
>
>Perfect. let's make a config variable for it.
Download attachment "magnum-jumbo-dynamic-raw-hash-always-and-algorithm-name.patch" of type "application/octet-stream" (4399 bytes)
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