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Date: Tue, 16 Aug 2011 18:57:20 +0400
From: Aleksey Cherepanov <aleksey.4erepanov@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: -show silently needs -format, usability problem

On Mon, Aug 15, 2011 at 05:10:10PM +0400, Aleksey Cherepanov wrote:
> 2) Behaviour: when hashes could be accepted by John in different
> formats (like mscash2 or md5_gen(n)) 'john -show' could show no
> results thinking about some hashes in one format while this hashes
> are already cracked as other format. So I propose to show format
> used by -show like at begin of cracking session. (1.7.8-j5; it
> seems to be actual with Jumbo or I do not know enough to reproduce
> it with formats supported by John without Jumbo)

Oh, I understood problem with showing format like at begin of cracking
session: at begin of crack John loads only one format while -show
loads all formats. So it is not so trivial. However I think it is
possible to show line with format and cracked/left statistics for each
loaded format.

> Widely I propose also to show hints for user about formats that
> potentially could be read from this file. (I am not sure that it is
> possible.)

Hints could be at the same line as statistics for certain format.
It could look like following:
$ john -show passwd
login1:password1:...
...
<empty line>
nt: 0 cracked, 1000 left (nt is like mscash1, mscash2)
des: 10 cracked, 0 left
10 cracked, 1000 left

(note about nt, mscash: this example is not intended to be realistic)

Regards,
Aleksey Cherepanov

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