john-dev - OS X Keychain format

Message-ID: <CANO7a6y3hTn=qS2T76SgazDCanTMAeao-D1KK=csbwCc11EdoQ@mail.gmail.com>
Date: Sat, 14 Jul 2012 20:11:19 +0530
From: Dhiru Kholia <dhiru.kholia@...il.com>
To: john-dev@...ts.openwall.com
Subject: OS X Keychain format

Hi,

OS X Keychain format is currently FMT_NOT_EXACT but so far, I haven't
found a single case where an invalid password resulted in correct
padding of 0x04040404 (in the decrypted data).

Also the code contains,

if(pad != 4) /* possible bug here, is this assumption always valid? */
    return -1;

Can we safely remove this comment? Any real world validation of the
Keychain format would be great.

-- 
Cheers,
Dhiru

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