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Date: Sat, 15 Mar 2014 23:19:01 +0000
From: "Joe ." <dy3afg9@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Re: Re: Re: pbkdf2-hmac-sha512 on GPU
Thanks, I'm able to build it successfully now with line number 68 looking
like this.
/* #define DEBUG */
my /path/to/hash.txt is formatted like this:
grub.pbkdf2.sha512.iterations.salt.hash (where 'iterations' is ~40,000)
However, when I run:
./john --format=grub-opencl /path/to/hash.txt
It gives me this error:
Assertion failed: (strlen(c) == 128), function binary, file
opencl_pbkdf2_hmac_sha512_fmt.c, line 184.
Abort trap: 6
>From what I can understand above, 'strlen' looks like 'string length',
perhaps this is the fault as my salt+hash is quite long at 320 characters?
Just a guess.
When I run it against one of the tests I found in the file
opencl_pbkdf2_hmac_sha512_fmt.c (the first one of line 63) and copy it to a
.txt file, I get this:
Loaded 1 password hash (grub-opencl, grub-opencl [PBKDF2-SHA512])
Self test failed (get_hash[0](0))
When I try a test:
./john --format=grub-opencl --test
I get:
Benchmarking: grub-opencl, grub-opencl [PBKDF2-SHA512]... FAILED
(get_hash[0](0))
I hope you find this information useful.
Thanks,
Joe
On Sat, Mar 15, 2014 at 10:31 PM, Lukas Odzioba <lukas.odzioba@...il.com>
wrote:
2014-03-15 23:19 GMT+01:00 Joe . <dy3afg9@...il.com>:
> Hi, and thanks Lukas and Dhiru.
>
> Where would I find that line (in which file) to comment it out?
Sorry my mistake, I forgot to mention filename:
opencl_pbkdf2_hmac_sha512_fmt.c
Line number 68
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