chaz at chaz6.com
Tue Mar 24 17:47:03 CET 2009
On 24/03/09 17:06, David Shaw wrote:
> Try something like this.
> To encode:
> gpg --export-secret-key (thekey) | paperkey --output-type raw | dmtxwrite -e8 -f pdf> my_pdf_file.pdf
> You can pass pdf, eps, svg, etc, to the -f option. Use 'dmtxwrite -l'
> to get a list of all supported image formats.
> To decode:
> dmtxread -N1 my_pdf_file.pdf | paperkey --pubring ~/.gnupg/pubring.gpg> my_new_secret_key.gpg
> dmtxread and dmtxwrite are part of the very clever libdmtx package at
> I've actually been toying with building Data Matrix support directly
> into paperkey (using libdmtx), but it's not clear what the point is
> when dmtxread and dmtxwrite are so easy to use.
Thanks David, that is exactly what I was looking for. For some reason
after I compiled libdmtx 0.7 the PDF and SVG formats are not available,
but I can manage with PNG.
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