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Date: Wed, 12 Mar 2014 22:06:08 +0100
From: Lukas Odzioba <lukas.odzioba@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Re: Re: pbkdf2-hmac-sha512 on GPU

2014-03-12 21:43 GMT+01:00  <dy3afg9+halwpc@...rrillamail.com>:
> The .cl file looks like it might fit in /src/opencl other than that I'll need some help ;)

Exactly. opencl_pbkdf2_hmac_sha512_fmt.c should be placed in /src

Makefile:
add "opencl_hmac_sha512_fmt.o" to OCL_OBJS

john.c:
line 207:
extern struct fmt_main fmt_opencl_pbkdf2_hmac_sha512;

line 441:
john_register_one(&fmt_opencl_pbkdf2_hmac_sha512);

After that run make [target] as usual and you should see grub-opencl
in available formats. (../run/john | grep grub-opencl)

Of course you must convert your hash to:
grub.pbkdf2.sha512.<iterations>.<salt>.<hash>

Where salt and hash are hex encoded.

Lukas

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