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Date: Thu, 28 Jun 2012 13:26:01 -0500
From: "jfoug" <jfoug@....net>
To: <john-dev@...ts.openwall.com>
Subject: RE: Update to TS (new formats, SHA2, and other changes)
I sent off a fix to magnum. He may change what I have given him, but it
'shows' what was going on. I gave him 3 options. I am not sure which is
the 'best'.
I also gave him a test vector that would have failed.
Failing:
Any password where len(pw)%4 === 1 or 2 if len(pw)%4==0 or 3, it would
load the ipad/opad properly and work. There were no self test that hit that
congruent 1 or 2 length.
Jim.
>-----Original Message-----
>From: jfoug [mailto:jfoug@....net]
>Sent: Thursday, June 28, 2012 12:23 PM
>To: john-dev@...ts.openwall.com
>Subject: RE: [john-dev] Update to TS (new formats, SHA2, and other
>changes)
>
>The bug 'may' be finding passwords where length(salt)+length(pw) is odd,
>and if built in SSE2 older asm files. I think it is in code I did, in
>the shammx_reloadinit_nosizeupdate_nofinalbyteswap type stuff.
>
>>It appears that this format may only be finding even length passwords
>>;)
>>
>>> hmac-sha1 ****** NOTE, there may be problems in this format
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