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Date: Sat, 9 Feb 2013 00:12:04 +0100
From: Frank Dittrich <frank_dittrich@...mail.com>
To: john-users@...ts.openwall.com
Subject: Re: SSHA-512 supported?

On 02/08/2013 11:53 PM, Solar Designer wrote:
> On Fri, Feb 08, 2013 at 03:14:44PM -0700, Stephen John Smoogen wrote:
>> $6$aXayEJGxA02Bl4d2$TWfWx34oD.UjrS/Qtco6Ij2XPY1CPYJfdk3CcxEjnMZvQw2p5obHYH7SI2wxcJgaS9.S9Hz948R.GdGwsvR...
> 
> This works, although I suspect that Jon replaced some chars with dots
> (it is uncommon to see this many dots).
> 
>> and see if it is accepted as that.
> 
> I've just tested with bleeding-jumbo (built as linux-x86-64-gpu and with
> OpenMP enabled), it is accepted.
> 
> $ ./john pw 
> Warning: detected hash type "sha512crypt", but the string is also recognized as "crypt"
> Use the "--format=crypt" option to force loading these as that type instead
> Warning: detected hash type "sha512crypt", but the string is also recognized as "sha512crypt-opencl"
> Use the "--format=sha512crypt-opencl" option to force loading these as that type instead
> Warning: detected hash type "sha512crypt", but the string is also recognized as "sha512crypt-cuda"
> Use the "--format=sha512crypt-cuda" option to force loading these as that type instead
> Loaded 1 password hash (sha512crypt [64/64 OpenSSL])
> guesses: 0  time: 0:00:00:27 33.38% (2) (ETA: Sat Feb  9 02:52:44 2013)  c/s: 1985  trying: rose0 - asdf0
> 
> $ ./john pw -form=sha512crypt-opencl
> Device 0: GeForce GTX 570 
> [...]
> guesses: 0  time: 0:00:11:28 0.00% (3)  c/s: 13239  trying: baynd1 - bmday7

If you want to be sure it really id this format, and not some other
algorithm which just happens to generate hashes that look similar, it
would be best if you could create a new hash with a known password, and
try to crack this hash first.

Frank

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