UEFI Secure boot

Originally created by @intrigeri on #6560 (Redmine)

At some point, Tails will have to support UEFI Secure boot.

Team: FT

Blueprint: https://tails.boum.org/blueprint/UEFI_Secure_boot/

Feature Branch: feature/6560-secure-boot+force-all-tests, https://salsa.debian.org/tails-team/tails/-/merge_requests/44/

Subtasks

• #15806 (closed)
• #17352 (closed)
• #17452 (closed)
• #17459 (closed)
• #17492 (closed)
• #17538 (closed)

Related issues

• Related to #11679 (closed)
• Related to #15016 (closed)
• Blocked by #5739 (closed)
• Blocked by #15292 (closed)
• Blocked by #8415 (closed)
• Blocked by #15944 (closed)
• Blocks #17495