full-disclosure - Re: anybody know good service for cracking md5?

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Date: Thu, 04 Feb 2010 10:52:32 -0500
From: Valdis.Kletnieks@...edu
To: Christian Sciberras <uuf6429@...il.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: anybody know good service for cracking md5?

On Wed, 03 Feb 2010 23:02:20 +0100, Christian Sciberras said:

> Actually dictionary attacks seem to work quite well, especially for common
> users which typically use dictionary and/or well known passwords (such as
> the infamous "password").
> Another idea which seems to be cropping in, is the use of hash tables with a
> list of known passwords rather then dictionary approach.
> Personally, the hash table one is quite successful, consider that it targets
> password groups rather than a load of wild guesses.

Correct - the point is those are *clever* ways to break an MD5 hash of a
password, rather than a brute-force attack.  They work in several days rather
than several thousand times the age of the universe precisely because they're
clever.

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