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Point out that paperkey backups are password-protected

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Fixes #263. Really though decision to make whether a paper printout with the password is a good way to go (recoverable but needs a really good place to keep) or not (more protection, but possibly worthless).
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Matthias Pigulla 2021-10-25 09:31:57 +02:00 committed by GitHub
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README.md
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@ -951,10 +951,12 @@ The `revoke.asc` certificate file should be stored (or printed) in a (secondary)
# Backup
Once keys are moved to YubiKey, they cannot be moved again! Create an **encrypted** backup of the keyring and consider using a [paper copy](https://www.jabberwocky.com/software/paperkey/) of the keys as an additional backup measure.
Once keys are moved to YubiKey, they cannot be moved again! Create an **encrypted** backup of the keyring on removable media so you can keep it offline in a safe place.
**Tip** The ext2 filesystem (without encryption) can be mounted on both Linux and OpenBSD. Consider using a FAT32/NTFS filesystem for MacOS/Windows compatibility instead.
As an additional backup measure, consider using a [paper copy](https://www.jabberwocky.com/software/paperkey/) of the keys. The [Linux Kernel Maintainer PGP Guide](https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html#back-up-your-master-key-for-disaster-recovery) points out that such printouts *are still password-protected*. It recommends to *write the password on the paper*, since it will be unlikely that you remember the original key password that was used when the paper backup was created. Obviously, you need a really good place to keep such a printout.
**Linux**
Attach another external storage device and check its label: