Re: Hack PGP

[Christopher Anders <ce_anders () mac com>]

No Such Agency?

No Simple Answers?

Ahhhh.... Never Say Anything!

:-)



On 1/18/05 6:30 PM, "Conlan Adams" <conlan () mebtc org> wrote:

> Here, I heard these guys can help
>
> http://www.nsa.gov/
>
> :-)
>
> -----Original Message-----
> From: Daniel Persson [mailto:mailto.woden () gmail com]
> Sent: Monday, January 17, 2005 4:30 PM
> To: security-basics () securityfocus com
> Subject: Re: Hack PGP
>
> Well I pretty much knew it was impossible but I had to ask. Well my
> key lenght was 4196 bits so it's quite strong and well when I say wipe
> I mean using a tool that writes zeroes and random data over the disk
> atleast 3-4 passes. So the key and all chanses of opening the files
> are pretty much history. I was just curious if there was anyone that
> had made a try to break it and how far they had come.
>
> Thanks alot for the discussion.
>
>
> On Mon, 17 Jan 2005 20:33:57 +0100, Andreas Putzo
> <andreas () inferno nadir org> wrote:
> > Hello,
> >
> > On Saturday 15 January 2005 07:06, Daniel Persson wrote:
> > > I have a delema that is quite strange but then again feasable. I did
> a
> > > backup on my system and wiped my harddrive and then installed
> > > everything from scratch.
> > > My problem was that the PGP keys where locked down on my harddrive
> and
> > > couldn't be copied by the backup system.
> >
> > Bad. Very bad. Keep at least one copy of your secret key on a save
> medium,
> > eg.  an usb-stick or a disk in your bank deposit box.
> > Facing your problem, i would 1st try, to recover the key from your
> > harddisk. By 'wipe' you mean a simple delete? If so, you _may have a
> > change without paying a lot of money for a forensic professional.
> > You may take a look at sleuthkit[1] or 'The Coroners Toolkit' to look
> at
> > your HD for deleted files.
> > If the name information for your secret_key is gone, you can possibly
> > identify it on its size.
> > Of course, you have to stop writing to this harddisk immediately! Take
> an
> > image with 'dd' to another harddisk and work with this image further
> on.
> > Good luck!
> >
> > Andreas
> >
> > [1] http://www.sleuthkit.org