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How do you manage your encryption keys? (lm.paradisus.day)

submitted 5 months ago by [email protected] to c/[email protected]

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I'm in desparate need of setting up borgmatic for borg backup. I would like to encrypt my backups. (I suppose, an unencrypted backup is better than none in my case, so I should get it done today regardless.)

How do I save those keys? Is there a directory structure I follow? Do you backup the keys as well? Are there keys that I need to write down by hand? Should I use a cloud service like bitwarden secrets manager? Could I host something?

Im ignorant on this matter. The most I've done is add ssh keys to git forges and use ssh-copyid. But I've always been able to access what I need to without keeping those (I login to the web interface.) Can you share with me best practices or what you do to manage non-password secrets?

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[–] [email protected] 29 points 5 months ago* (last edited 5 months ago) (1 children)

I add such stuff to my password manager. It supports files. But not all password managers do. I have a category for admin stuff where I also save passwords to servers, database credentials, service logins and the exported LUKS keys of the harddrives. I'd add backup keys there, too, but I currently keep them unencrypted on an encrypted harddisk.

[–] [email protected] 8 points 5 months ago

Also using my password manager, keepass2 in my case (synced over webdav). A password manager should provide plenty of options to structurize. Password database is a part of scheduled backups, and always present on multiple synced devices, so a total loss is hardly imaginable.

As SSH keys were also touched as a topic in the OP, I just wanted to add I just found that there seems to be an addon for keepass that makes handling those even easier: https://lechnology.com/software/keeagent/ (haven't tried that yet).