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Message-ID: <CANWtx02tZKXx_R1NJEz6H-NbkB1Q+KwHaTTooOT_jt33X=Fqiw@mail.gmail.com>
Date: Sat, 28 Feb 2015 19:28:54 -0500
From: Rich Rumble <richrumble@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Cracking GPG symmetric encrypted file

On Sat, Feb 28, 2015 at 5:27 PM, magnum <john.magnum@...hmail.com> wrote:
> On 2015-02-28 08:51, Dhiru Kholia wrote:
>> On Fri, Feb 27, 2015 at 5:40 PM,  <suspekt@....de> wrote:
>>> Can I crack a symmetric enrypted file with John? So no GPG key, just a
>>> password protected file.
>>
>> Hej!
>>
>> Try https://github.com/kholia/PGPCrack-NG project.
>>
>> It's ugly but might just work (TM).
>
> Cool, this suggests my rant was incorrect. Did you write some of that?
> Is there a KDF involved? Is there actually some known plaintext, or a
> checksum of some sort?
Could a "magic" file be used? It would slow thing down a lot and
probably FP a bunch if there is no checksum or other check, just an
idea.
-rich

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