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Date: Sun, 1 Apr 2012 08:31:07 +0530
Subject: Re: JtR: GPU for slow hashes

On Sat, Mar 31, 2012 at 3:51 PM, Solar Designer <> wrote:

> Hi Sayantan,
> On Sat, Mar 31, 2012 at 03:42:03PM +0530, SAYANTAN DATTA wrote:
> > I'm pleased to inform you that I have finished the implementation of
> > step on GPU  (openCL).
> Great.  What performance did you achieve?
> >    I'm attaching the unoptimized version host and device codes here.
> Please turn this into a JtR "format" that we can benchmark and test via
> JtR itself.  Also, please add copyright and license statements:
> BTW, I was pleased to find that myrice's code (in his git repo) already
> has such statements. :-)
> Thanks,
> Alexander

Hi Alexander,
I have few question here regarding JtR format.

1.As the PBKDF2 step uses a 16 byte hexadecimal string as password ,what
should be the properties flag for this type of pass?Here's an example of my
test structure.
static struct fmt_tests tests[] = {
The third field is the username in plaintext.Which will be internally
converted to salt.

2.How do you perform the benches?Do you use the crypt_all() method for



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