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-rwxr-xr-xscripts/exportkey.sh11
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diff --git a/scripts/exportkey.sh b/scripts/exportkey.sh
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+#!/bin/bash
+
+# Backup GPG keys as DMTX for offline backup
+
+# Generates key-aa, key-ab, ...
+gpg --export-secret-key --armor $1 | split -b 1500 - key-
+
+# Convert each of them to a PNG image
+for K in key-*; do
+ dmtxwrite -e 8 $K > $K.png
+done