Question About TPM Autodecrypt (mander.xyz)

submitted 8 months ago* (last edited 8 months ago) by baseless_discourse@mander.xyz to c/linux@lemmy.ml

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I have setup my fedora to use LUKS encryoted partitions. But entering two passwords gets quite tiring, as I shutdown my laptop quite often to get the benefit of LUKS (I am assuming nothing is encrypted when in suspend, please correctme if I am wrong)

I am thinking about setting up TPM autodecrypt. However, I was wondering does the decryption happen on boot or after I login?

If it happens on boot, then it seems like the benefit is pretty limited compare to a unencrypted drive. Since the attacker can simply boot my laptop and get the unecrypted drive.

Am I missing something here? I was wondering is there a way for me to enter my password once and unlock everything, from disk to gnome keyring?

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[-] gheesh@lemmy.world 2 points 8 months ago

I'm assuming the two passwords are the LUKS one and then your login, which you can remove by just configuring your login manager to do auto-login (no attacker will be able to access your data anyway if it's encrypted, logged in or not).

[-] baseless_discourse@mander.xyz 2 points 8 months ago

Unfortunately, the gnome keyring will not be able to be unlocked in this way.

this post was submitted on 27 Oct 2023

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