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Producing printable QR codes for persistent storage of GPG private keys
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| #!/bin/bash | |
| #1. export gpg private key as ascii | |
| #2. split ascii into 4 qr code images | |
| #3. generate bash script for importing bash images | |
| #4. generate bash script for decrypting files. | |
| gpg --export-secret-key --armor | split -C 1000 - IMG | |
| for f in IMG*; do cat $f | qrencode -o $f.png; rm -vf $f; done | |
| # Importing the QR codes: | |
| # Note that, when making scans or photographs, you do not produce large images. | |
| # If zbar does not recognise your QR code, try downscaling the image. | |
| cat <<EOF >importmykey.sh | |
| #!/bin/bash | |
| touch mykey.asc | |
| for f in IMG*.png; do zbarimg --raw \$f | head -c -1 ; done | gpg --pinentry-mode loopback --import | |
| EOF | |
| cat <<EOF >decryptmyfiles.sh | |
| #!/bin/bash | |
| gpg --pinentry-mode loopback --decrypt-files *.gpg | |
| EOF | |
| cat <<EOF >encryptmyfiles.sh | |
| #!/bin/bash | |
| gpg --pinentry-mode loopback --encrypt-files \$@ | |
| EOF | |
| chmod +x importmykey.sh decryptmyfiles.sh encryptmyfiles.sh |
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