Posting short GnuPG clear signed messages on social media sites

Werewolf werewolf6851 at
Sun Aug 6 07:29:37 CEST 2017

On Fri, Aug 04, 2017 at 02:46:19PM +0200, Stefan Claas wrote:
> So, simply prepare your short GnuPG message and then do a:
> $ qrencode -o message.png < message.txt.asc, to obtain a
> .png image, ready to be posted on social media sites.

A simpler methode on a linux system 
gpg --clearsign|qrencode -o message.png

> To decode such an image in Terminal simply do a:
> (please note: the images when downloaded are then in .jpeg format)
> $ zbarimg image.jpg > output.txt && sed "s/QR-Code:-/-/g" output.txt |
> gpg --verify
For Decoding message and verifying signature
zbarimg message.jpg| sed "s/QR-Code:-/-/g"|gpg 
or just to verify signature
zbarimg message.png| sed "s/QR-Code:-/-/g"|gpg --verify

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