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Date: Sun, 24 Jun 2012 15:26:49 -0600
From: Stephen John Smoogen <smooge@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: SSHA / SHA256 BASE64 on 1.79-5
On 24 June 2012 14:34, newangels newangels <contact.newangels@...il.com> wrote:
> Hello Stephen,
>
> Thanks a lot for your reply & analyse.
>
> Here the answer about my computer's profile.
>
> 1/ Computer's: ( MacPro & MacBook Pro, SSD etc...Quad Xeons & I7)
>
> 2/ OS = MAC_OSX LION ( last version)
>
> 3/ JTR = 1.7.9 - 5 JUMBO ( from Erik Winkler compilation + other one by me)
>
> After some try, i think the SSHA are removed on this new version by the dev no ?
> (cause remember with passed version i can run --format=SSHA here no)
>
> ./john --format=ssha --test
>
> = Unknown ciphertext format name requested
>
> Ok, i try to run with your decode one & it sem working with this syntax format :
>
> .john --format=salted-sha1 hashe.txt
> Loaded 1 password hash (Salted SHA-1 [SSE2i 8x])
>
> Concern, the thing i know about this hashe, is an SHA256 Base64, so
> how it can be interpreted by john like an SHA1-Salted, that format
> take the Sha256 even salted & encode ??
>
> Anyway, i try to run in this way so....
>
> new-host:run xxxx$ ./john --format=salted-sha1 --test
> Benchmarking: Salted SHA-1 [SSE2i 8x]... DONE
> Many salts: 14064K c/s real, 14064K c/s virtual
> Only one salt: 12414K c/s real, 12414K c/s virtual
>
> Ok, in the case is the way to go, can you please give me the tricks
> for decode this list of hashes i have to make them run properly, cause
> i got an big amount of them, maybe an Python or perl script exist ?
I actually just went to the first website google came up with base64
decode which gave me:
<data>->W6<data>
I then did a guess and cut the string at the + to see what I got then,
at which point I got
W6<data>
which I figured was the salt. I am not sure how well that guess will
work but you could try a visual check with the following python:
#!/usr/bin/python
import base64
FILE=open("ssha");
for A in FILE:
a=A.strip()
print a
x=base64.standard_b64decode(a)
print x
Just realize it will output data which will make a terminal lockup etc
so redirect it to a file
--
Stephen J Smoogen.
"The core skill of innovators is error recovery, not failure avoidance."
Randy Nelson, President of Pixar University.
"Years ago my mother used to say to me,... Elwood, you must be oh
so smart or oh so pleasant. Well, for years I was smart. I
recommend pleasant. You may quote me." —James Stewart as Elwood P. Dowd
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