bugGNU GRUB - Bugs: bug #57678, Add a possibility to transfer...

 
 

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bug #57678: Add a possibility to transfer passphrase to OS when unlocking encrypted container

Submitted by:  Alexander Shchadilov <kadilov>
Submitted on:  Mon 27 Jan 2020 02:12:27 PM UTC  
 
Category:  Security Severity:  Major
Priority:  5 - Normal Item Group:  Feature Request
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open Release: 
Release:  2.02 Reproducibility:  None
Planned Release:  None

Mon 27 Jan 2020 02:12:27 PM UTC, original submission:  

Currently using GRUB with GRUB_ENABLE_CRYPTODISK option for unlocking encrypted device may lead to a scenario when user needs to enter passphrase twice, once for GRUB and once for OS booting software. If LUKS is used, a common workaround that improves user experience involves generating a LUKS key that is permanently stored inside the encrypted container.
Having a way to securely transfer the passphrase to OS would make possible a more streamlined configuration.

Workarounds described in community documentation of Linux distributions:
https://wiki.archlinux.org/index.php/Dm-crypt/Device_encryption#With_a_keyfile_embedded_in_the_initramfs
https://en.opensuse.org/SDB:Encrypted_root_file_system

This suggestion was originally posted by Andreas Stieger on openSUSE bug tracker:
https://bugzilla.suse.com/show_bug.cgi?id=1137056#c1

Alexander Shchadilov <kadilov>

 

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