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Message-ID: <CANO7a6xvE9=eMcp6igWRoy9GRr7NZ56b8Jxg2ZtQxxMFEOPTrg@mail.gmail.com>
Date: Fri, 28 Dec 2012 22:38:41 +0530
From: Dhiru Kholia <dhiru.kholia@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: Formats dmg, encfs and strip crash on longer passwords
On Fri, Dec 28, 2012 at 10:26 PM, Frank Dittrich
<frank_dittrich@...mail.com> wrote:
> All three formats claim to support a maximum password length of 32, but
> if you try to use a word list with longer passwords, they all segfault
> (at least on my 32bit Linux system).
I get "stack smashing detected" on a 32-bit machine. These formats
works fine on 64-bit machines (even when using ASAN).
> $ ./john encfs --wordlist=test-p
> Loaded 4 password hashes with 4 different salts (EncFS PBKDF2 AES /
> Blowfish [32/32])
> Segmentation fault (core dumped)
>
> For me, this looks like a systematic error in Dhiru's formats.
> Unfortunately, if I build a debug version, the error disappears.
Yes, it is a common problem as these formats share a lot of code.
I am working on fixing them.
--
Cheers,
Dhiru
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