Comment 53 for bug 1773457

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Xavier Gnata (xavier-gnata-gmail) wrote : Re: [Bug 1773457] Re: Full-system encryption needs to be supported out-of-the-box including /boot and should not delete other installed systems

Well it's an issue indeed but the fact that no encryption is possible
without having to deal with the command line is much worst.

Le lun. 21 déc. 2020 à 22:15, Nodøn <email address hidden> a écrit :

> Encryption should also be possible without LVM. LVM is very good, but if
> you are using for example BTRFS, you may don't want to use both at the
> same time. Should just be an option.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1773457
>
> Title:
> Full-system encryption needs to be supported out-of-the-box including
> /boot and should not delete other installed systems
>
> Status in grub2 package in Ubuntu:
> Confirmed
> Status in ubiquity package in Ubuntu:
> Confirmed
>
> Bug description:
> In today's world, especially with the likes of the EU's GDPR and the
> many security fails, Ubuntu installer needs to support full-system
> encryption out of the box.
>
> This means encrypting not only /home but also both root and /boot. The
> only parts of the system that wouldn't be encrypted are the EFI
> partition and the initial Grub bootloader, for obvious reasons.
>
> It should also not delete other installed systems unless explicitly
> requested.
>
> On top of this, the previous method of encrypting data (ecryptfs) is
> now considered buggy, and full-disk encryption is recommended as an
> alternative. Unfortunately, the current implementation of full-disk
> encryption wipes any existing OS such as Windows, making the
> implementation unusable for most users.
>
> Now, using LUKS and LVM, it is already possible to have full-disk
> encryption (strictly, full-partition encryption because it leaves any
> existing OS alone), while encrypting /boot. Reference:
>
> https://help.ubuntu.com/community/ManualFullSystemEncryption
>
> ... but with one major limitation: Grub is incorrectly changed after
> an update affecting the kernel or Grub, so that a manual Grub update
> is required each time this happens (this is fully covered in the
> linked instructions).
>
> If the incorrect Grub change is fixed, it should be (relatively)
> simple to support full-system encryption in the installer.
>
> Further information (2018-08-17):
>
> The NCSC recommends, "Use LUKS/dm-crypt to provide full volume
> encryption."
> References:
> •
> https://blog.ubuntu.com/2018/07/30/national-cyber-security-centre-publish-ubuntu-18-04-lts-security-guide
> • https://www.ncsc.gov.uk/guidance/eud-security-guidance-ubuntu-1804-lts
>
> **EDIT**
> Refer to comment #47 for an alternative version.
>
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