this post was submitted on 13 Dec 2024
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    submitted 6 months ago by hellfire103@lemmy.ca to c/linuxmemes@lemmy.world
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    [–] richardisaguy@lemmy.world 21 points 6 months ago (2 children)

    Can i get some context please? My fedora install wasn't using TPM, i had to manually configure it; i haven't noticed any difference in boot speed with or without TPM encryption

    [–] possiblylinux127@lemmy.zip 1 points 6 months ago (1 children)

    Why wouldn't you just use a password?

    [–] richardisaguy@lemmy.world 3 points 6 months ago (1 children)

    I want to have data-at-rest encryption, so that the only password i need to insert is my user one, this allows me to not have to type passwords multiple times. If i had the regular encryption password i would have to enable autologin in SDDM, which would do away with the encryption on kdewallet and all my credentials.

    Plus i also enable secureboot, and use fedora kinoite, so that i is hard to tamper with my boot stuff without my TPM wiping itself off my encryption password, this gives me a very Bitlocker-like setup, but without the shittiness of having my encryption keys linked to microsoft's terrible encryption system and user accounts, i can actually control my stuff like this. For a laptop, i must say data-at-rest encryption is a must!

    This setup gives me multiple security layers; took my laptop off me -> booted my laptop, faced with user password -> tried to boot another OS, TPM wiped itself, no more encryption key -> computer now asks for encryption password, has to find a way around LVM2 encryption -> LVM2 encryption (somehow) defeated they must now crack my user password, or have to (try) to decrypt my credentials on the file system itself; after all these convoluted and extremely hard steps i think we can agree this person really deserves to have access to my cool wallpapers

    [–] possiblylinux127@lemmy.zip 2 points 6 months ago (1 children)

    Secure boot and TPM aren't known for there robust security. In fact, I'd wager that your machine is probably vulnerable.

    https://www.bleepingcomputer.com/news/security/bootkitty-uefi-malware-exploits-logofail-to-infect-linux-systems/

    Or for that matter, it is possible that your secure boot keys have been leaked or that your TPM is vulnerable to sniffing.

    [–] richardisaguy@lemmy.world 1 points 6 months ago

    Yeah, i know; EUFI computers really suck, turning away the script kiddies and most people that would steal this computer from my data is is the most i can with this thing

    [–] I_Miss_Daniel@lemmy.world 1 points 6 months ago (1 children)

    Probably only affects a small number of AMD machines.

    [–] rzlatic@lemmy.ml 1 points 6 months ago* (last edited 6 months ago)

    so if it probably affects only a small number of specific hw platforms, you cannot state fedora as "now wait 40 seconds" distro.

    i'm also not using the tmd chip, no issues.