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Date: Mon, 29 Apr 2013 20:20:12 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: Node support

On 29 Apr, 2013, at 19:20 , magnum <john.magnum@...hmail.com> wrote:
> On 29 Apr, 2013, at 17:20 , magnum <john.magnum@...hmail.com> wrote:
>> I think I see a bug with -stdin that exist in core too.
> 
> Trying to establish the problem in core. Actually the same problem is seen with --wordlist too, which makes sense because core uses mostly the same code for wordlist/stdin. I have only seen problem with -stdin in bleeding.

OK I now understand what happens. It's because of my uneven splitting (sometimes I play clever). The code is wrong for the case I used, ie:

Session A running 1-3/7
Session B running 4/7
Session C running 5-6/7
Session D running 7/7

What happens is,
A reads line 1, 6, 11 and so on.
B reads line 4, 11, 18...
C reads line 5, 11, 17...
D reads line 7, 14, 21...

And no-one reads line 2, 3, 8, well you get it.

I think A and C have to to read 3 and 2 consecutive words (even if that means slightly less optimal spread). And skip 4 / 5 words after that. I can't think of any better solution but I wouldn't be surprised if you can.

magnum

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