GPF Crypto Stick vs OpenPGP Card

Daniel Kahn Gillmor dkg at
Fri Dec 3 18:45:18 CET 2010

On 12/03/2010 11:32 AM, Werner Koch wrote:
> What might work are JPEGs -
> but who wants to sign a JPEG file and have recipients work with an image
> of your text?

JPEGs themselves are problematic because of the ability to embed
arbitrary data in the metadata fields (EXIF, etc [0]).  So unless Are
you willing to try to display arbitrary metadata on your externalized
device, you're in trouble there too.

> Plain text may work, though.  For a long text it won't
> work either, because nobody is going to proofread a text on some small
> display before signing it.

my laptop display is pretty small, and i read what i sign on it ;)



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