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Date: Thu, 14 Jun 2012 18:26:44 +0200
From: Simon Marechal <>
Subject: Re: notes on sharding the incremental search space

On 14/06/2012 14:49, Tavis Ormandy wrote:
> // static const uint64_t kTotalKeySpace = pow(kCharsetLen, kMaxLength);
> // $ bc <<< 'obase=16;95^8'
> // 1791C60F6FED01
> static const uint64_t kTotalKeySpace = 0x1791C60F6FED01ULL;

This all looks really cool. I have two notes :
* It would be really nice to be able to provide the number of shards,
number of nodes and current node identifier on the john command line.
This would require thinking a bit about how the interface should look
like, because it should be the same for markov and wordlist (with rules)
* With incremental not limited to 8 characters anymore you will overflow
uint64_t with 95**10. While it is pretty unlikely the whole password
space will be explored, it would be nice to be able to start exploring it.

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