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this post was submitted on 25 Dec 2023
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The problem with this is that the key would be “machine based” and not “person”
So it’s better for “service accounts”
Having read poetterings blog posts a bit and he explains that the TPM2 based encryption is entirely just for system resources (basically everything under
/with exception of/home). For home he still "envisions" (its already possible and not really hard with sd-homed) that the encryption is based on the users passphrase/key/whatever and not unlockable by anyone else than the users passphrase/...So user specific stuff is tied to user keys while system stuff is tied to the system & OS.
If you wanna read the post: https://0pointer.net/blog/fitting-everything-together.html