GPG on windows mobile 5
linux at codehelp.co.uk
Mon Nov 21 13:15:47 CET 2005
On Monday 07 November 2005 9:24 am, cybx at gmx.net wrote:
> I've got a question about installing GPG on my newly acquired IPAQ rx 1950
Why not replace Windows with GNU/Linux by installing Familiar onto your iPAQ?
I'm running Familiar with GPE on a iPAQ HP3900. GnuPG is available as a
package - pre-compiled and configured for Familiar.
> I want to install a secure, mail encryption system
GnuPG doesn't do the mail component, plus you have the usual problems with
keeping a secret key protected whilst on a small, portable, device.
At least with a genuine GNU system on the device you can use sensible security
mechanisms and have a truly security-aware kernel.
> that's for free and widely used -> GPG.
Don't confuse "for free" with "free software". The benefits of gnupg do NOT
arise from the lack of a price tag but from the freedom to modify, copy and
distribute the source code and compiled binaries.
> I still want to have GPG on my PDA, especially
> because I think security issues are even more relevant on mobile devices
> than on Desktop PCs.
Don't forget the role of the OS. It's hard enough protecting the device, let
alone the holes in windows mobile security.
I couldn't even logout on my iPAQ using WinCE and anyone with SynCE installed
on their GNU/Linux box could read and write all my Windows data without ANY
security intervention whatsoever. That would INCLUDE a gnupg secret key. I
could copy / move it off the device or replace it with a different one - you
wouldn't know. I'd only need 2 minutes alone with your Windows iPAQ.
At least with Familiar, you have an ordinary user with a login password, a
root user with a root password and a login manager. SSH connectivity is
supported (and can be secured further) and it has a genuine 2.6 Linux kernel
with iptables support for a genuine firewall too. It's up to you how secure
you make your Bluetooth support but it's only enabled after you login.
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