Comment 59 for bug 1773457

Revision history for this message
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

Yeah but it should b possible out of the box. That's a matter of security.

Le mar. 10 janv. 2023 à 22:44, pataquets <email address hidden> a
écrit :

> This helped me with Win10/Ubuntu22.04 Dual-boot install with a Windows
> encrypted (BitLocker) partition. Worked great and I've achieved encryption
> on both OSes:
>
> https://www.mikekasberg.com/blog/2020/04/08/dual-boot-ubuntu-and-windows-with-encryption.html
>
> --
> 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.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1773457/+subscriptions
>
>