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Date: Thu, 23 Jun 2011 08:07:59 -0500
From: "JimF" <>
To: <>
Subject: Re: mscash2 tag + iteration count


Did you have any additional thoughts about adding the ability to do arbitrary/variable iteration counts?  Is cache2 always 10240?  The format as it stands simply has a #define.   Works well, if that is the only value this will ever have.

Also, if we do add this count, how is the end user going to figure out the right value to place into this?

  ----- Original Message ----- 
  From: S3nf 

  sorry for my really late response and thanks to JimF who already fixed the bug concerning the salt length (buffer reuse issue). I've also found the bug this morning but obviously I was too late again. =)

  I've updated the unoptimized sample code for DCC2 hashes in the Openwall Wiki.

  The performance increase of the DCC2 code is also good news and I'm really impressed by the improvements of John within the last few months. And in my opinion the proposed changes to the mscash2 format (tag + iteration cout) are a very good idea.

    - I propose we use this new tag + iteration count for mscash2 (dcc2):

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