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Message-ID: <BLU0-SMTP71D0146B695EDA0E4839B2FDF30@phx.gbl>
Date: Thu, 7 Jun 2012 11:31:46 +0200
From: Frank Dittrich <frank_dittrich@...mail.com>
To: john-dev@...ts.openwall.com
Subject: Re: get_source() and bitmaps boost
On 06/07/2012 10:22 AM, magnum wrote:
> On 06/07/2012 10:08 AM, magnum wrote:
>> Maybe, but this depends on the format. For raw SHA-1 I think we save 53
>> bytes of memory per loaded hash. For raw MD5 it's 44 bytes (ie. it's the
>> ASCII hex hash + tag + null byte). But then I suppose we need to
>> subtract sizeof(char*) from that figure, or something like that.
>
> On second thought that pointer is there anyway, so we still save 53
> bytes per hash for SHA1.
Yes, ( 875 - 530 ) * 10^6 / 6458020 = 53.42...
(Assuming it is the total number of hashes loaded which counts here, not
the number of remaining hashes.)
Frank
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