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Date: Sun, 11 Aug 2013 19:05:43 +0200
From: Sam <>
Subject: Re: Are BKS/Berkely -Keystores for Java supported yet?

Am 11.08.2013 14:29, schrieb magnum:
> On 11 Aug, 2013, at 11:31 , Sam <> wrote:
>> i am currently trying to estimate the security of an android application.
>> The certificate which is used quite heavily in the application only is
>> available as bks file which can''t be opened without password.
>> I am currently tracing this obfuscated application in hope to reveal the
>> password used in the code somewhere but as a secondary fallback, i want
>> to try bruteforce.
>> Therefore my question, is it possible to use JtR for this process yet?
> In latest bleeding-jumbo (not released yet) we have a format called "keystore" which is "Java Keystore" but I'm not sure this is what you need. If it is, you'd use it like this:
> $ ./keystore2john file.bks >file.john
> $ ./john file.john (...)
> You can try a snapshot from
> If this is not it, I'm sure Dhiru will whip a new format up for you but his away for a week or so.
> magnum
I tried with a few diffrent make targets but so far none resulted in a
keystore2john file under the /run folder .
Make didn't return with any obvious error (except that mozilla format is
not available)

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