submitted 2 weeks ago by [email protected] to c/[email protected]

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My laptop isn't under my supervision most of the time. And I'd hate it if someone were to steal my SSD, or whole laptop even, when I'm not around. Is there a way to encrypt everything, but still keep the device in sleep, and unclock it without much delay. It's a very slow laptop. So decryption on login isn't viable, takes too long. While booting up also takes forever, so it needs to be in a "safe" state when simply logged out. Maybe a way that's decrypt-on-demand?

I'm on Arch with KDE.

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[-] [email protected] 3 points 2 weeks ago

How old are we talking? If the CPU is >10 years old and/or some kind of ARM, it may not have hardware encryption acceleration, which means it'll happen in software. I did that once, it was horrible. lscpu |grep -i aes should probably tell you what you need to know.

[-] [email protected] 1 points 2 weeks ago

If you don't have hardware encryption you can use --cipher xchacha20,aes-adiantum option when running cryptsetup to make it way faster than standard aes cipher in software.

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this post was submitted on 02 Sep 2024

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