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Message-ID: <CANJ2NMOq9q7zS3QqhkOhKgPJrEHELZXMvsTXcYKFEWMFgomE1w@mail.gmail.com>
Date: Sun, 22 Jul 2012 20:59:05 +0800
From: myrice <qqlddg@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: int crypt_all(count, salt)
Solar -
On Sat, Jul 21, 2012 at 9:27 PM, Solar Designer <solar@...nwall.com> wrote:
> myrice -
>
> On Wed, Jul 18, 2012 at 01:52:03PM +0400, Solar Designer wrote:
>> This is an intermediate step before even further changes to it. (The
>> next change to crypt_all() will likely be to make "int *count" - that
>> is, let crypt_all() modify the count when it computes more hashes than
>> there were keys, due to set_mask(). Yes, set_mask() is to be introduced
>> at the same time with that change.)
>
> As discussed on IRC yesterday, attached is a patch that implements "int
> *count", but not set_mask() yet. As discussed, for your initial
> experiments you may hard-code generation of candidate passwords in your
> hack of raw-md5-opencl - e.g., append [a-z][a-z] to all passwords -
> which should be good enough for test runs and for us to see how to
> enhance the interface further.
>
> ..
>
> I've attached two files implementing the same changes:
>
> john-1.7.9.6+crypt_all+LM-crypt_all-pcount-1.diff - relative to the
> patches I posted before (applies on top of tree patched with
> john-1.7.9.6-LM-1.diff along with all previous patches).
>
> john-1.7.9.6-crypt_all-pcount-1.diff - applies on top of clean 1.7.9.6
> as found in CVS.
>
> Alexander
I doubt this code in fmt_self_test_body, here is the diff part:
- if (format->methods.crypt_all(index + 1, NULL) != index + 1)
- return "crypt_all";
+ {
+ int count = index + 1;
+ if (format->methods.crypt_all(&count, NULL) != count)
+ return "crypt_all";
+ }
We could change count in crypt_all and the return "matched count" may
not the the same with the count passed in. So could we change != count
to != index+1?
Thanks
myrice
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