Announcing to backup keys as QR codes on paper

Stefan Claas sac at
Mon Sep 14 16:20:11 CEST 2020

bexnews--- via Gnupg-users wrote:


while I can't help you with your issue, I like to suggest to take a look
at Fraunhofer SIT's modern JAB-Code, which compiles nicely under Linux,
Windows and macOS. It has also the advantage that it can carry much more
data than QR code. The color barcode withstands also ugly Facebook .jpeg
compression, in case one needs to sign large messages, with GnuPG, on
'social' media sites.


> Hello Friends,
> Ok I am no coder so I am trying to bungle my way thru setting up
> My goal was to be able to print out a paper encrypted backup of a strong
> key that I can use to encrypt data or other keys. I tried the Windows
> Paperbackup from OllyDbg but it is older, on Windows (I'm on Linux atm) and
> was having a hard time getting the roundtrip to work with my printer and
> scanner. looked like a smart idea and I like the redundancy
> of the QR code and text string outputs. I tried the usage instructions....
> 1. the first issue was I think specifically you need to prefix
> "" with "python" correct?
> 2. second issue was when I do #1 I get
> > Traceback (most recent call last):
> >   File "", line 35, in <module>
> >     import qrencode
> > ImportError: No module named qrencode
> >
> 3. I may be failing to install all the dependencies properly. I did  "sudo
> apt install qrencode" and seems installed (qrencode version 3.4.4 Copyright
> (C) 2006-2012 Kentaro Fukuchi), but no change in the ImportError in #2. Is
> there some other way to "hook" qrencode into I tried
> putting it all into the same folder but it doesn't seem to help.
> danke schoen!
> - bexnews

More information about the Gnupg-users mailing list