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Encrypted hard drive asking for password every time (lemy.lol)
submitted 2 years ago* (last edited 2 years ago) by to c/linux@lemmy.ml
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I recently switched to Linux (Zorin OS) and I selected "use ZFS and encrypt" during installation. Now before I can log in it asks me "please unlock disk keystore-rpool" and I have to type in the encryption password it before I'm able to get to the login screen.

Is there a way to do this automatically like with Windows or MacOS? Zorin has biometric login which is nice but this defeats the purpose especially because the encryption password is long and tedious to type in.

Also might TPM have anything to do with this?

EDIT: Based on the responses I have to assume some of you guys live in windowless underground bunkers sealed off with concrete because door locks "aren't secure against battering rams". Normal people don't need perfect encryption they just want to add an extra hurdle or two for the crackhead who steals the PC. I assumed Linux had a system similar to what Windows or MacOS has been doing for a decade but I am apparently wrong.

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[–] 10 points 2 years ago* (last edited 2 years ago)

If you want some more convenience but don't want to give up security, you can use hardware tokens like Nitrokey with GPG.

The process would be generate a random file using dd and /dev/urandom. Set this as the key for FDE. Encrypt it using your GPG and store it on /boot. Have a helper script to ask you plugin your Nitrokey and (optional) pin to decrypt the keyfile to have root decrypted. I had read this on some blog for dm-crypt so you will need to research and adopt to your setup.

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