OpenPGP on paper (was: Where can I find some papers to read on mail (and envelope) security?)

Stefan Claas sac at
Fri Feb 1 20:19:35 CET 2019

On Fri, 1 Feb 2019 20:01:58 +0100, Dirk-Willem van Gulik wrote:
> On 1 Feb 2019, at 19:44, Stefan Claas <sac at> wrote:

> > However, i am currently interested in using codegroup armor
> > so that it can be printed too and then read properly (hopefully)
> > with OCR solutions.  
> Yes - if you look at the next  pages in the example - that is what is being done there.
> With specific care taken to minimise what one has to enter.
> So one can either OCR the written text, use the QR code or enter it by hand.
> Over the years we've come to rely on this a lot - and regularly had to resort to manual entry or OCR ing of the
> numbers.

Oh, sorry, than i have to take a closer look again!

Many thanks for pointing this out!


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