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Date: Mon, 19 Nov 2012 19:13:27 -0500
From: Rich Rumble <richrumble@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Can I use the same .pot file for multiple cracking
 sessions without overwrite or erase data?

On Mon, Nov 19, 2012 at 5:45 PM, Stephen John Smoogen <smooge@...il.com> wrote:
> They do not overwrite each other.. but if your two processes find the
> same password.. you will end up with duplicates in the pot file.
To clarify, if you have the same hash/password there won't be a
duplicate in the POT.
That is to say if MD5 hash and an MD4 hash that have the same
password, the hashes are different, but the passwords are the same, it
will contain a "duplicate" password, but for two different hashes. If
you have a salted hash, and the same password gets cracked(2 or more
times), the hash type is the same, but the salt is different, which
will lead to a different hash+salt combination.
(md5)5F4DCC3B5AA765D61D8327DEB882CF99:password
(md4)8A9D093F14F8701DF17732B2BB182C74:password

You should not get
(md5)5F4DCC3B5AA765D61D8327DEB882CF99:password
(md5)5F4DCC3B5AA765D61D8327DEB882CF99:password
in the same pot file as far as I know... it should be "normalized" in
that regard, no matter how many times you write to the pot.
-rich

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